# Parser.pm: parse texinfo code into a tree. # # Copyright 2010, 2011, 2012 Free Software Foundation, Inc. # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 3 of the License, # or (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . # # Original author: Patrice Dumas # Parts (also from Patrice Dumas) come from texi2html.pl or texi2html.init. # The organization of the file is the following: # module definitions. # default parser state. With explanation of the internal structures. # initializations, determination of command types. # user visible subroutines. # internal subroutines, doing the parsing. package Texinfo::Parser; # We need the unicode stuff. use 5.006; use strict; # debug use Carp qw(cluck); use Data::Dumper; # to detect if an encoding may be used to open the files use Encode; # for fileparse use File::Basename; #use POSIX qw(setlocale LC_ALL LC_CTYPE LC_MESSAGES); # commands definitions use Texinfo::Common; # Error reporting and counting, translation of strings. use Texinfo::Report; # encoding_alias use Texinfo::Encoding; # to expand file names in @include and similar @-commands use Texinfo::Convert::Text; # to normalize node name, anchor, float arg, listoffloats and first *ref argument. use Texinfo::Convert::NodeNameNormalization; # in error messages, and for macro body expansion use Texinfo::Convert::Texinfo; require Exporter; use vars qw($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS); @ISA = qw(Exporter Texinfo::Report); # Items to export into callers namespace by default. Note: do not export # names by default without a very good reason. Use EXPORT_OK instead. # Do not simply export all your public functions/methods/constants. # This allows declaration use Texinfo::Parser ':all'; # If you do not need this, moving things directly into @EXPORT or @EXPORT_OK # will save memory. %EXPORT_TAGS = ( 'all' => [ qw( parser parse_texi_text parse_texi_line parse_texi_file indices_information floats_information internal_references_information labels_information global_commands_information global_informations ) ] ); @EXPORT_OK = ( @{ $EXPORT_TAGS{'all'} } ); @EXPORT = qw( ); $VERSION = '6.7'; sub N__($) { return $_[0]; } #sub __($$) #{ # my $self = shift; # return &{$self->{'gettext'}}(@_); #} # Customization variables obeyed by the Parser, and the default values. our %default_customization_values = ( 'TEST' => 0, 'DEBUG' => 0, # if >= 10, tree is printed in texi2any.pl after parsing. # If >= 100 tree is printed every line. 'SHOW_MENU' => 1, # if false no menu error related. 'INLINE_INSERTCOPYING' => 0, 'IGNORE_BEFORE_SETFILENAME' => 1, 'MACRO_BODY_IGNORES_LEADING_SPACE' => 0, 'IGNORE_SPACE_AFTER_BRACED_COMMAND_NAME' => 1, 'INPUT_PERL_ENCODING' => undef, # input perl encoding name, set from # @documentencoding in the default case 'INPUT_ENCODING_NAME' => undef, # encoding name normalized as preferred # IANA, set from @documentencoding in the default # case 'CPP_LINE_DIRECTIVES' => 1, # handle cpp like synchronization lines 'MAX_MACRO_CALL_NESTING' => 100000, # max number of nested macro calls 'GLOBAL_COMMANDS' => [], # list of commands registered # This is not used directly, but passed to Convert::Text through # Texinfo::Common::_convert_text_options 'ENABLE_ENCODING' => 1, # output accented and special characters # based on @documentencoding # following are used in Texinfo::Structuring 'TOP_NODE_UP' => '(dir)', # up node of Top node 'SIMPLE_MENU' => 0, # not used in the parser but in structuring 'USE_UP_NODE_FOR_ELEMENT_UP' => 0, # Use node up for Up if there is no # section up. ); my %parser_default_configuration = (%Texinfo::Common::default_parser_state_configuration, %default_customization_values); # the other possible keys for the parser state are: # # expanded_formats_hash each key comes from expanded_formats value is 1 # index_names a structure holding the link between index # names, prefixes, merged indices, # initial value is %index_names in Texinfo::Common. # context_stack stack of the contexts, more recent on top. # 'line' is added when on a line or # block @-command line, # 'def' is added instead if on a definition line. # 'preformatted' is added in block commands # where there is no paragraphs and spaces are kept # (format, example, display...) # 'rawpreformatted' is added in raw block commands # (html, xml, docbook...) # 'menu' is added in menu commands # 'math', 'footnote', 'caption', 'shortcaption', # 'inlineraw' are also added when in those commands # conditionals_stack a stack of conditional commands that are expanded. # raw_formats_stack a stack of 1 or 0 for raw formats (@html... or # @inlineraw), is 0 if within a raw format that is # not expanded. # macro_stack stack of macros being expanded (more recent first) # definfoenclose an hash, key is the command name, value is an array # reference with 2 values, beginning and ending. # input a stack, with last at bottom. Holds the opened files # or text. Pending macro expansion or text expansion # is also in that structure. # misc_commands the same than %misc_commands in Texinfo::Common, # but with index entry commands dynamically added # close_paragraph_commands same than %close_paragraph_commands, but with # insertcopying removed if INLINE_INSERTCOPYING # close_preformatted_commands same than %close_preformatted_commands, but with # insertcopying removed if INLINE_INSERTCOPYING # no_paragraph_commands the same than %default_no_paragraph_commands # below, with index # entry commands dynamically added # simple_text_commands the same than %simple_text_commands below, but # with index entry commands dynamically added # current_node last seen node. # current_section last seen section. # nodes list of nodes. # command_index_prefix associate a command name to an index prefix. # prefix_to_index_name associate an index prefix to the index name. # floats key is the normalized float type, value is an array # reference holding all the floats. # internal_references an array holding all the internal references. # set points to the value set when initializing, for # configuration items that are not to be overriden # by @-commands. For example documentlanguage. # A line information is an hash reference with the keys: # line_nr the line number # file_name the file name # macro if in a macro expansion, the name of the macro # # A text fragment information is a 2 element array reference, the first is the # text fragment, the second is the line information. # The input structure is an array, the first is the most recently included # file. The last element may be a file if the parsing is done on a file, # with parse_texi_file, or simply pending text, if called as parse_texi_text. # each element of the array is a hash reference. The key are: # pending an array reference containing pending text fragments, either the # text given as parse_texi_text or macro expansion text. # name file name # line_nr current line number in the file # fh filehandle for the file # content is not copied but reference is copied when duplicating a parser. my %tree_informations; foreach my $tree_information ('values', 'macros', 'explained_commands', 'labels') { $tree_informations{$tree_information} = 1; } # The commands in initialization_overrides are not set in the document if # set at the parser initialization. my %initialization_overrides = ( 'INPUT_ENCODING_NAME' => 1, 'documentlanguage' => 1, ); my %no_brace_commands = %Texinfo::Common::no_brace_commands; my %misc_commands = %Texinfo::Common::misc_commands; my %brace_commands = %Texinfo::Common::brace_commands; my %accent_commands = %Texinfo::Common::accent_commands; my %context_brace_commands = %Texinfo::Common::context_brace_commands; my %block_commands = %Texinfo::Common::block_commands; my %block_item_commands = %Texinfo::Common::block_item_commands; my %close_paragraph_commands = %Texinfo::Common::close_paragraph_commands; my %def_map = %Texinfo::Common::def_map; my %def_commands = %Texinfo::Common::def_commands; my %def_aliases = %Texinfo::Common::def_aliases; my %menu_commands = %Texinfo::Common::menu_commands; my %preformatted_commands = %Texinfo::Common::preformatted_commands; my %format_raw_commands = %Texinfo::Common::format_raw_commands; my %item_container_commands = %Texinfo::Common::item_container_commands; my %item_line_commands = %Texinfo::Common::item_line_commands; my %deprecated_commands = %Texinfo::Common::deprecated_commands; my %root_commands = %Texinfo::Common::root_commands; my %sectioning_commands = %Texinfo::Common::sectioning_commands; my %command_index_prefix = %Texinfo::Common::command_index_prefix; my %command_structuring_level = %Texinfo::Common::command_structuring_level; my %ref_commands = %Texinfo::Common::ref_commands; my %region_commands = %Texinfo::Common::region_commands; my %code_style_commands = %Texinfo::Common::code_style_commands; my %in_heading_commands = %Texinfo::Common::in_heading_commands; my %explained_commands = %Texinfo::Common::explained_commands; my %inline_format_commands = %Texinfo::Common::inline_format_commands; my %inline_commands = %Texinfo::Common::inline_commands; my %inline_conditional_commands = %Texinfo::Common::inline_conditional_commands; my %all_commands = %Texinfo::Common::all_commands; # equivalence between a @set flag and an @@-command my %set_flag_command_equivalent = ( 'txicodequoteundirected' => 'codequoteundirected', 'txicodequotebacktick' => 'codequotebacktick', # 'txideftypefnnl' => 'deftypefnnewline', ); # keep line information for those commands. my %keep_line_nr_brace_commands = %context_brace_commands; foreach my $keep_line_nr_brace_command ('titlefont', 'anchor') { $keep_line_nr_brace_commands{$keep_line_nr_brace_command} = 1; } foreach my $brace_command (keys (%brace_commands)) { $keep_line_nr_brace_commands{$brace_command} = 1 if ($brace_commands{$brace_command} > 1); } my %type_with_paragraph; foreach my $type ('before_item', 'text_root', 'document_root', 'brace_command_context') { $type_with_paragraph{$type} = 1; } my %command_ignore_space_after; foreach my $command ('anchor', 'hyphenation', 'caption', 'shortcaption') { $command_ignore_space_after{$command} = 1; } my %global_multiple_commands; foreach my $global_multiple_command ( 'author', 'footnote', 'hyphenation', 'insertcopying', 'printindex', 'subtitle','titlefont', 'listoffloats', 'detailmenu', 'part', keys(%Texinfo::Common::document_settable_at_commands), ) { $global_multiple_commands{$global_multiple_command} = 1; } my %global_unique_commands; foreach my $global_unique_command ( 'copying', 'settitle', 'shorttitlepage', 'title', 'titlepage', 'top', keys(%Texinfo::Common::document_settable_unique_at_commands), ) { $global_unique_commands{$global_unique_command} = 1; } my %index_names = %Texinfo::Common::index_names; # index names that cannot be set by the user. my %forbidden_index_name = (); foreach my $name(keys(%index_names)) { foreach my $prefix (@{$index_names{$name}->{'prefix'}}) { $forbidden_index_name{$prefix} = 1; } } foreach my $other_forbidden_index_name ('info','ps','pdf','htm', 'html', 'log','aux','dvi','texi','txi','texinfo','tex','bib') { $forbidden_index_name{$other_forbidden_index_name} = 1; } # @-commands that do not start a paragraph my %default_no_paragraph_commands; # @-commands that should be at a line beginning my %begin_line_commands; foreach my $command ('node', 'end') { $begin_line_commands{$command} = $command; } foreach my $no_paragraph_command ('titlefont', 'caption', 'shortcaption', 'image', '*', 'hyphenation', 'anchor', 'errormsg') { $default_no_paragraph_commands{$no_paragraph_command} = 1; } foreach my $no_paragraph_command (keys(%misc_commands)) { $default_no_paragraph_commands{$no_paragraph_command} = 1; $begin_line_commands{$no_paragraph_command} = 1; } # verbatiminclude is not said to begin at the beginning of the line # in the manual foreach my $misc_not_begin_line ('comment', 'c', 'sp', 'refill', 'noindent', 'indent', 'columnfractions', 'tab', 'item', 'headitem', 'verbatiminclude', 'set', 'clear', 'vskip', keys(%in_heading_commands)) { delete $begin_line_commands{$misc_not_begin_line}; } my %block_arg_commands; foreach my $block_command (keys(%block_commands)) { $begin_line_commands{$block_command} = 1; $default_no_paragraph_commands{$block_command} = 1; $block_arg_commands{$block_command} = 1 if ($block_commands{$block_command} ne 'raw'); # and ! $format_raw_commands{$block_command}); } my %close_preformatted_commands = %close_paragraph_commands; foreach my $no_close_preformatted('sp') { delete $close_preformatted_commands{$no_close_preformatted}; } # FIXME to close preformated or not to close? #foreach my $format_raw_command(keys(%format_raw_commands)) { # $close_preformatted_commands{$format_raw_command} = 1; #} # commands that may appear in accents my %in_accent_commands = %accent_commands; foreach my $brace_command(keys(%brace_commands)) { $in_accent_commands{$brace_command} = 1 if (!$brace_commands{$brace_command}); } foreach my $no_brace_command (keys(%no_brace_commands)) { $in_accent_commands{$no_brace_command} = 1; } $in_accent_commands{'c'} = 1; $in_accent_commands{'comment'} = 1; # commands that may appear in texts arguments my %in_full_text_commands; foreach my $command (keys(%brace_commands), keys(%no_brace_commands)) { $in_full_text_commands{$command} = 1; } foreach my $misc_command_in_full_text('c', 'comment', 'refill', 'noindent', 'indent', 'columnfractions', 'set', 'clear', 'end') { $in_full_text_commands{$misc_command_in_full_text} = 1; } foreach my $out_format (keys(%format_raw_commands)) { $in_full_text_commands{$out_format} = 1; } delete $in_full_text_commands{'caption'}; delete $in_full_text_commands{'shortcaption'}; foreach my $block_command (keys(%block_commands)) { $in_full_text_commands{$block_command} = 1 if ($block_commands{$block_command} eq 'conditional'); } # commands that may happen on lines where everything is # permitted my %in_full_line_commands = %in_full_text_commands; foreach my $not_in_full_line_commands('noindent', 'indent') { delete $in_full_line_commands{$not_in_full_line_commands}; } # commands that may happen on sectioning commands my %in_full_line_commands_no_refs = %in_full_line_commands; foreach my $not_in_full_line_commands_no_refs ('titlefont', 'anchor', 'footnote', 'verb') { delete $in_full_line_commands_no_refs{$not_in_full_line_commands_no_refs}; } # commands that may happen in simple text arguments my %in_simple_text_commands = %in_full_line_commands_no_refs; foreach my $not_in_simple_text_command('xref', 'ref', 'pxref', 'inforef') { delete $in_simple_text_commands{$not_in_simple_text_command}; } # commands that only accept simple text as argument in any context. my %simple_text_commands; foreach my $misc_command(keys(%misc_commands)) { if ($misc_commands{$misc_command} =~ /^\d+$/ or ($misc_commands{$misc_command} eq 'line' and !($sectioning_commands{$misc_command} or $def_commands{$misc_command})) or $misc_commands{$misc_command} eq 'text') { $simple_text_commands{$misc_command} = 1; } } my %full_line_commands_no_refs = (%sectioning_commands, %def_commands); delete $simple_text_commands{'center'}; delete $simple_text_commands{'exdent'}; foreach my $command ('titlefont', 'anchor', 'xref','ref','pxref', 'inforef', 'shortcaption', 'math', 'indicateurl', 'email', 'uref', 'url', 'image', 'abbr', 'acronym', 'dmn', 'ctrl', 'errormsg') { $simple_text_commands{$command} = 1; } # commands that accept full text, but no block or top-level commands my %full_text_commands; foreach my $brace_command (keys (%brace_commands)) { if ($brace_commands{$brace_command} == 1 and !$simple_text_commands{$brace_command} and !$context_brace_commands{$brace_command} and !$accent_commands{$brace_command}) { $full_text_commands{$brace_command} = 1; } } # commands that accept almost the same than in full text, except # what do not make sense on a line. my %full_line_commands; $full_line_commands{'center'} = 1; $full_line_commands{'exdent'} = 1; $full_line_commands{'item'} = 1; $full_line_commands{'itemx'} = 1; # Fill the valid nestings hash. All commands not in that hash # are considered to accept anything within. There are additional # context tests, to make sure, for instance that we are testing # @-commands on the block, misc or node @-command line and not # in the content. # index entry commands are dynamically set as in_simple_text_commands my %default_valid_nestings; foreach my $command (keys(%accent_commands)) { $default_valid_nestings{$command} = \%in_accent_commands; } foreach my $command (keys(%full_text_commands)) { $default_valid_nestings{$command} = \%in_full_text_commands; } foreach my $command (keys(%simple_text_commands)) { $default_valid_nestings{$command} = \%in_simple_text_commands; } foreach my $command (keys(%full_line_commands)) { $default_valid_nestings{$command} = \%in_full_line_commands; } foreach my $command (keys(%full_line_commands_no_refs)) { $default_valid_nestings{$command} = \%in_full_line_commands_no_refs; } # Only for block commands with line arguments foreach my $command (keys(%block_commands)) { if ($block_commands{$command} and $block_commands{$command} ne 'raw' and $block_commands{$command} ne 'conditional' and !$def_commands{$command}) { $default_valid_nestings{$command} = \%in_simple_text_commands; } } my @preformatted_contexts = ('preformatted', 'rawpreformatted'); my %preformatted_contexts; foreach my $preformatted_context (@preformatted_contexts) { $preformatted_contexts{$preformatted_context} = 1; } # contexts on the context_stack stack where empty line don't trigger # paragraph my %no_paragraph_contexts; foreach my $no_paragraph_context ('math', 'menu', @preformatted_contexts, 'def', 'inlineraw') { $no_paragraph_contexts{$no_paragraph_context} = 1; }; # Format a bug message sub _bug_message($$;$$) { my $self = shift; my $message = shift; my $line_number = shift; my $current = shift; my $line_message = ''; if ($line_number) { my $file = $line_number->{'file_name'}; $line_message = "last location: $line_number->{'file_name'}:$line_number->{'line_nr'}"; if ($line_number->{'macro'} ne '') { $line_message .= " (possibly involving $line_number->{'macro'})"; } $line_message .= "\n"; } my $message_context_stack = "context_stack: (@{$self->{'context_stack'}})\n"; my $current_element_message = ''; if ($current) { $current_element_message = "current: ". _print_current($current); } warn "You found a bug: $message\n\n". "Additional informations:\n". $line_message.$message_context_stack.$current_element_message; } # simple deep copy of a structure sub _deep_copy($) { my $struct = shift; my $string = Data::Dumper->Dump([$struct], ['struct']); eval $string; return $struct; } # return true if effect of global commands should be ignored. sub _ignore_global_commands($) { my $self = shift; return !$self->{'expanded_formats_stack'}->[-1]; } # enter all the commands associated with an index name using the prefix # list sub _register_index_commands($$) { my $self = shift; my $index_name = shift; if (!$self->{'index_names'}->{$index_name}->{'prefix'}) { $self->{'index_names'}->{$index_name}->{'prefix'} = [$index_name]; } if (!exists($self->{'index_names'}->{$index_name}->{'name'})) { $self->{'index_names'}->{$index_name}->{'name'} = $index_name; } if (!exists($self->{'index_names'}->{$index_name}->{'contained_indices'})) { $self->{'index_names'}->{$index_name}->{'contained_indices'}->{$index_name} = 1; } foreach my $prefix (@{$self->{'index_names'}->{$index_name}->{'prefix'}}) { $self->{'misc_commands'}->{$prefix.'index'} = 'line'; $self->{'no_paragraph_commands'}->{$prefix.'index'} = 1; $self->{'valid_nestings'}->{$prefix.'index'} = \%in_simple_text_commands; $self->{'command_index_prefix'}->{$prefix.'index'} = $prefix; $self->{'prefix_to_index_name'}->{$prefix} = $index_name; } } # initialization entry point. Set up a parser. # The last argument, optional, is a hash provided by the user to change # the default values for what is present in %parser_default_configuration. # The exact arguments of the function depend on how it was called, # in a object oriented way or not. sub parser(;$$) { my $class = shift; my $conf; my $parser = _deep_copy(\%parser_default_configuration); # _deep_copy doesn't handle subs $parser->{'gettext'} = $parser_default_configuration{'gettext'}; $parser->{'pgettext'} = $parser_default_configuration{'pgettext'}; # called not object-oriented if (ref($class) eq 'HASH') { #print STDERR "Not oo\n" $conf = $class; bless $parser; } elsif (ref($class)) { # called on an existing parser, interpreted as a duplication my $old_parser = $class; $class = ref($class); foreach my $key (keys(%parser_default_configuration)) { if ($tree_informations{$key}) { if (defined($old_parser->{$key})) { foreach my $info_key (keys(%{$old_parser->{$key}})) { $parser->{$key}->{$info_key} = $old_parser->{$key}->{$info_key}; } } } else { $parser->{$key} = _deep_copy($old_parser->{$key}); } } #$parser = _deep_copy($old_parser); $parser->{'gettext'} = $old_parser->{'gettext'}; $parser->{'pgettext'} = $old_parser->{'pgettext'}; bless $parser, $class; $conf = shift; } elsif (defined($class)) { bless $parser, $class; $conf = shift; } else { bless $parser; $conf = shift; } if (defined($conf)) { foreach my $key (keys(%$conf)) { if (exists($parser_default_configuration{$key})) { if (ref($conf->{$key}) ne 'CODE' and $key ne 'values') { $parser->{$key} = _deep_copy($conf->{$key}); } else { $parser->{$key} = $conf->{$key}; } if ($initialization_overrides{$key}) { $parser->{'set'}->{$key} = $parser->{$key}; } } else { warn "$key not a possible customization in Texinfo::Parser::parser\n"; } } } #foreach my $value (keys %{$parser->{'values'}}) { # print STDERR " -> $value $parser->{'values'}->{$value}\n"; #} # Now initialize command hash that are dynamically modified, notably # those for index commands, and lists, based on defaults and user provided. $parser->{'misc_commands'} = _deep_copy (\%misc_commands); $parser->{'valid_nestings'} = _deep_copy (\%default_valid_nestings); $parser->{'no_paragraph_commands'} = { %default_no_paragraph_commands }; $parser->{'index_names'} = _deep_copy (\%index_names); $parser->{'command_index_prefix'} = {%command_index_prefix}; $parser->{'close_paragraph_commands'} = {%close_paragraph_commands}; $parser->{'close_preformatted_commands'} = {%close_preformatted_commands}; if ($parser->{'INLINE_INSERTCOPYING'}) { delete $parser->{'close_paragraph_commands'}->{'insercopying'}; delete $parser->{'close_preformatted_commands'}->{'insercopying'}; } # a hash is simply concatenated. It should be like %index_names. if (ref($parser->{'indices'}) eq 'HASH') { %{$parser->{'index_names'}} = (%{$parser->{'index_names'}}, %{$parser->{'indices'}}); } else { # an array holds index names defined with @defindex foreach my $name (@{$parser->{'indices'}}) { $parser->{'index_names'}->{$name} = {'in_code' => 0}; } } foreach my $index (keys (%{$parser->{'index_names'}})) { $parser->_register_index_commands($index); } if ($parser->{'merged_indices'}) { foreach my $index_from (keys (%{$parser->{'merged_indices'}})) { my $index_to = $parser->{'merged_indices'}->{$index_from}; if (defined($parser->{'index_names'}->{$index_from}) and defined($parser->{'index_names'}->{$index_to})) { $parser->{'index_names'}->{$index_from}->{'merged_in'} = $index_to; $parser->{'index_names'}->{$index_to}->{'contained_indices'}->{$index_from} = 1; } } } foreach my $explained_command(keys(%explained_commands)) { if (!defined($parser->{'explained_commands'}->{$explained_command})) { $parser->{'explained_commands'}->{$explained_command} = {}; } } $parser->{'context_stack'} = [ $parser->{'context'} ]; $parser->{'regions_stack'} = []; $parser->{'macro_stack'} = []; $parser->{'conditionals_stack'} = []; $parser->{'expanded_formats_stack'} = [1]; # turn the array to a hash for speed. Not sure it really matters for such # a small array. foreach my $expanded_format(@{$parser->{'expanded_formats'}}) { $parser->{'expanded_formats_hash'}->{$expanded_format} = 1; } %{$parser->{'global_commands'}} = %global_multiple_commands; foreach my $global_command (@{$parser->{'GLOBAL_COMMANDS'}}) { $parser->{'global_commands'}->{$global_command} = 1; } $parser->Texinfo::Report::new; return $parser; } sub get_conf($$) { my $self = shift; my $var = shift; return $self->{$var}; } # split a scalar text in an array lines. sub _text_to_lines($) { my $text = shift; die if (!defined($text)); my $had_final_end_line = chomp($text); my $lines = [ map {$_."\n"} split (/\n/, $text, -1) ]; $lines = [''] if (!@$lines); chomp($lines->[-1]) unless ($had_final_end_line); return $lines; } # construct a text fragments array matching a lines array, based on information # supplied. # If $fixed_line_number is set the line number is not increased, otherwise # it is increased, beginning at $first_line. sub _complete_line_nr($$;$$$) { my $lines = shift; my $first_line = shift; my $file = shift; my $macro = shift; my $fixed_line_number = shift; $macro = '' if (!defined($macro)); $file = '' if (!defined($file)); my $new_lines = []; if (defined($first_line)) { my $line_index = $first_line; foreach my $index(0..scalar(@$lines)-1) { $line_index = $index+$first_line if (!$fixed_line_number); $new_lines->[$index] = [ $lines->[$index], { 'line_nr' => $line_index, 'file_name' => $file, 'macro' => $macro } ]; } } else { foreach my $line (@$lines) { push @$new_lines, [ $line ]; } } return $new_lines; } # entry point for text fragments. # Used in tests. # Note that it has no associated root type a opposed to parse_texi_line # and parse_texi_file. sub parse_texi_text($$;$$$$) { my $self = shift; my $text = shift; my $lines_nr = shift; my $file = shift; my $macro = shift; my $fixed_line_number = shift; return undef if (!defined($text)); my $lines_array = []; if (!ref($text)) { $text = _text_to_lines($text); } $lines_nr = [] if (!defined($lines_nr)); if (!ref($lines_nr)) { #$file =~ s/^.*\/// if (defined($file) and $self->{'TEST'}); $lines_array = _complete_line_nr($text, $lines_nr, $file, $macro, $fixed_line_number); } else { while (@$text) { my $line_nr = shift @$lines_nr; my $line = shift @$text; push @$lines_array, [$line, $line_nr]; } } $self = parser() if (!defined($self)); $self->{'input'} = [{'pending' => $lines_array}]; my $tree = $self->_parse_texi(); return $tree; } # Not used for now, as a @contents after the first sectioning command # is correct if not using TeX. sub _check_contents_location($$) { my $self = shift; my $tree = shift; my $commands = $self->global_commands_information(); return unless ($commands); # Find the last sectioning command my $index = -1; my %ending_root_commands; my $found = 0; while ($tree->{'contents'}->[$index]) { if (defined($tree->{'contents'}->[$index]->{'cmdname'})) { $ending_root_commands{$tree->{'contents'}->[$index]} = 1; if ($sectioning_commands{$tree->{'contents'}->[$index]->{'cmdname'}}) { $found = 1; last; } } $index--; } return if (!$found); #print STDERR "ending_root_commands ".join('|',keys(%ending_root_commands))."\n"; #print STDERR "tree contents: ".join('|', @{$tree->{'contents'}})."\n"; foreach my $command ('contents', 'shortcontents', 'summarycontents') { if ($commands->{$command}) { foreach my $current (@{$commands->{$command}}) { my $root_command = $self->Texinfo::Common::find_parent_root_command($current); #print STDERR "root_command for $current->{'cmdname'}: $root_command\n"; if (defined($root_command) and !$ending_root_commands{$root_command}) { $self->line_warn(sprintf($self->__( "\@%s should only appear at beginning or end of document"), $current->{'cmdname'}), $current->{'line_nr'}); } } } } } # parse a texi file sub parse_texi_file($$) { my $self = shift; my $file_name = shift; my $filehandle = do { local *FH }; if (! open($filehandle, $file_name)) { $self->document_error(sprintf($self->__("could not open %s: %s"), $file_name, $!)); return undef; } my $line_nr = 0; my $line; my @first_lines; my $pending_first_texi_line; # the first line not empty and not with \input is kept in # $pending_first_texi_line and put in the pending lines just below while ($line = <$filehandle>) { $line_nr++; if ($line =~ /^ *\\input/ or $line =~ /^\s*$/) { $line =~ s/\x{7F}.*\s*//; push @first_lines, $line; } else { $pending_first_texi_line = $line; last; } } my $root = { 'contents' => [], 'type' => 'text_root' }; if (@first_lines) { push @{$root->{'contents'}}, { 'type' => 'preamble', 'contents' => [] }; foreach my $line (@first_lines) { push @{$root->{'contents'}->[-1]->{'contents'}}, { 'text' => $line, 'type' => 'preamble_text' }; } } my ($directories, $suffix); ($file_name, $directories, $suffix) = fileparse($file_name) if ($self->{'TEST'}); $self = parser() if (!defined($self)); $self->{'input'} = [{ 'pending' => [[$pending_first_texi_line, {'line_nr' => $line_nr, 'macro' => '', 'file_name' => $file_name}]], 'name' => $file_name, 'line_nr' => $line_nr, 'fh' => $filehandle }]; $self->{'info'}->{'input_file_name'} = $file_name; my $tree = $self->_parse_texi($root); # Find 'text_root', which contains everything before first node/section. # if there are elements, 'text_root' is the first content, otherwise it # is the root. my $text_root; if ($tree->{'type'} eq 'text_root') { $text_root = $tree; } elsif ($tree->{'contents'} and $tree->{'contents'}->[0] and $tree->{'contents'}->[0]->{'type'} eq 'text_root') { $text_root = $tree->{'contents'}->[0]; } # Put everything before @setfilename in a special type. This allows to # ignore everything before @setfilename. if ($self->{'IGNORE_BEFORE_SETFILENAME'} and $text_root and $self->{'extra'} and $self->{'extra'}->{'setfilename'} and $self->{'extra'}->{'setfilename'}->{'parent'} eq $text_root) { my $before_setfilename = {'type' => 'preamble_before_setfilename', 'parent' => $text_root, 'contents' => []}; while ($text_root->{'contents'}->[0] ne $self->{'extra'}->{'setfilename'}) { my $content = shift @{$text_root->{'contents'}}; $content->{'parent'} = $before_setfilename; push @{$before_setfilename->{'contents'}}, $content; } unshift (@{$text_root->{'contents'}}, $before_setfilename) if (@{$before_setfilename->{'contents'}}); } #$self->_check_contents_location($tree); return $tree; } sub parse_texi_line($$;$$$$) { my $self = shift; my $text = shift; my $lines_nr = shift; my $file = shift; my $macro = shift; my $fixed_line_number = shift; return undef if (!defined($text)); if (!ref($text)) { $text = _text_to_lines($text); } #$file =~ s/^.*\/// if (defined($file) and $self->{'TEST'}); my $lines_array = _complete_line_nr($text, $lines_nr, $file, $macro, $fixed_line_number); $self = parser() if (!defined($self)); $self->{'input'} = [{'pending' => $lines_array}]; my $tree = $self->_parse_texi({'contents' => [], 'type' => 'root_line'}); return $tree; } # return indices informations sub indices_information($) { my $self = shift; return ($self->{'index_names'}, $self->{'merged_indices'}); #return ($self->{'index_names'}, $self->{'merged_indices'}, $self->{'index_entries'}); } sub floats_information($) { my $self = shift; return $self->{'floats'}; } sub internal_references_information($) { my $self = shift; return $self->{'internal_references'}; } sub global_commands_information($) { my $self = shift; return $self->{'extra'}; } # @ dircategory_direntry # @ unassociated_menus # perl_encoding # input_encoding_name # input_file_name sub global_informations($) { my $self = shift; return $self->{'info'}; } sub labels_information($) { my $self = shift; return $self->{'labels'}; } # Following are the internal subroutines. The most important are # _parse_texi: the main parser loop. # _end_line: called at an end of line. Handling of @include lines is # done here. # _next_text: present the next text fragment, from pending text or line, # as described above. # for debugging sub _print_current($) { my $current = shift; return Texinfo::Common::_print_current($current); } # for debugging sub _print_command_args_texi($) { my $current = shift; return '' if (!$current->{'cmdname'}); my $args = ''; my $with_brace; if ($current->{'args'} and @{$current->{'args'}}) { $with_brace = ($current->{'args'}->[0]->{'type'} eq 'brace_command_arg' or $current->{'args'}->[0]->{'type'} eq 'brace_command_context'); $args .= '{' if ($with_brace); foreach my $arg (@{$current->{'args'}}) { $args .= Texinfo::Convert::Texinfo::convert($arg).', '; } $args =~ s/, $//; } chomp($args); if ($with_brace) { $args .= '}'; } return '@'.$current->{'cmdname'} .$args."\n"; } sub _print_current_keys($) { my $current = shift; my $string = _print_current($current); foreach my $key (keys (%$current)) { $string .= " $key: $current->{$key}\n"; } if ($current->{'extra'}) { $string .= " EXTRA\n"; foreach my $key (keys (%{$current->{'extra'}})) { $string .= " $key: $current->{'extra'}->{$key}\n"; } } return $string; } # For debugging my @kept_keys = ('contents', 'cmdname', 'type', 'text', 'args'); my %kept_keys; foreach my $key (@kept_keys) { $kept_keys{$key} = 1; } sub _filter_print_keys { [grep {$kept_keys{$_}} ( sort keys %{$_[0]} )] }; sub _print_tree($) { my $tree = shift; local $Data::Dumper::Sortkeys = \&_filter_print_keys; local $Data::Dumper::Purity = 1; local $Data::Dumper::Indent = 1; return Data::Dumper->Dump([$tree]); } sub _register_global_command($$$$) { my $self = shift; my $command = shift; my $current = shift; my $line_nr = shift; if ($command eq 'summarycontents' and !$self->{'global_commands'}->{$command}) { $command = 'shortcontents'; } if ($self->{'global_commands'}->{$command} and $command ne 'author') { push @{$self->{'extra'}->{$command}}, $current unless (_ignore_global_commands($self)); $current->{'line_nr'} = $line_nr if (!$current->{'line_nr'}); return 1; } elsif ($global_unique_commands{$command}) { # setfilename ignored in an included file $current->{'line_nr'} = $line_nr if (!$current->{'line_nr'}); if ($command eq 'setfilename' and scalar(@{$self->{'input'}}) > 1) { } elsif (exists ($self->{'extra'}->{$current->{'cmdname'}})) { $self->line_warn(sprintf($self->__('multiple @%s'), $current->{'cmdname'}), $line_nr); } else { $self->{'extra'}->{$current->{'cmdname'}} = $current unless (_ignore_global_commands($self)); } return 1; } return 0; } # parse a @macro line sub _parse_macro_command_line($$$$$;$) { my $self = shift; my $command = shift; my $line = shift; my $parent = shift; my $line_nr = shift; my $macro = { 'cmdname' => $command, 'parent' => $parent, 'contents' => [], 'extra' => {'arg_line' => $line}, 'line_nr' => $line_nr }; # REMACRO if ($line =~ /^\s+([[:alnum:]][[:alnum:]-]*)\s*(.*)/) { my $macro_name = $1; my $args_def = $2; my @args; if ($args_def =~ s/^\s*{\s*(.*?)\s*}\s*//) { @args = split(/\s*,\s*/, $1); } # accept an @-command after the arguments in case there is a @c or # @comment if ($args_def =~ /^\s*[^\@]/) { $self->line_error(sprintf($self->__("bad syntax for \@%s argument: %s"), $command, $args_def), $line_nr); $macro->{'extra'}->{'invalid_syntax'} = 1; } print STDERR "MACRO \@$command $macro_name\n" if ($self->{'DEBUG'}); $macro->{'args'} = [ { 'type' => 'macro_name', 'text' => $macro_name, 'parent' => $macro } ]; my $index = 0; foreach my $formal_arg (@args) { push @{$macro->{'args'}}, { 'type' => 'macro_arg', 'text' => $formal_arg, 'parent' => $macro}; if ($formal_arg !~ /^[\w\-]+$/) { $self->line_error(sprintf($self->__("bad or empty \@%s formal argument: %s"), $command, $formal_arg), $line_nr); $macro->{'extra'}->{'invalid_syntax'} = 1; } $macro->{'extra'}->{'args_index'}->{$formal_arg} = $index; $index++; } } elsif ($line !~ /\S/) { $self->line_error(sprintf($self-> __("%c%s requires a name"), ord('@'), $command), $line_nr); $macro->{'extra'}->{'invalid_syntax'} = 1; } else { $self->line_error(sprintf($self-> __("bad name for \@%s"), $command), $line_nr); $macro->{'extra'}->{'invalid_syntax'} = 1; } return $macro; } # start a paragraph if in a context where paragraphs are to be started. sub _begin_paragraph($$;$) { my $self = shift; my $current = shift; my $line_nr = shift; # !$current->{'type'} is true for @-commands. In fact it is unclear # that there may be cases of !$current->{'type'} and !$current->{'cmdname'} if ((!$current->{'type'} or $type_with_paragraph{$current->{'type'}}) and !$no_paragraph_contexts{$self->{'context_stack'}->[-1]}) { if (!defined($current->{'contents'})) { $self->_bug_message("contents undef", $line_nr, $current); die; } # find whether an @indent precedes the paragraph my $indent; if (scalar(@{$current->{'contents'}})) { my $index = scalar(@{$current->{'contents'}}) -1; while ($index >= 0 and !($current->{'contents'}->[$index]->{'type'} and ($current->{'contents'}->[$index]->{'type'} eq 'empty_line' or $current->{'contents'}->[$index]->{'type'} eq 'paragraph')) and !($current->{'contents'}->[$index]->{'cmdname'} and $self->{'close_paragraph_commands'}->{$current->{'contents'}->[$index]->{'cmdname'}})) { if ($current->{'contents'}->[$index]->{'cmdname'} and ($current->{'contents'}->[$index]->{'cmdname'} eq 'indent' or $current->{'contents'}->[$index]->{'cmdname'} eq 'noindent')) { $indent = $current->{'contents'}->[$index]->{'cmdname'}; last; } $index--; } } push @{$current->{'contents'}}, { 'type' => 'paragraph', 'parent' => $current, 'contents' => [] }; $current->{'contents'}->[-1]->{'extra'}->{$indent} = 1 if ($indent); $current = $current->{'contents'}->[-1]; print STDERR "PARAGRAPH\n" if ($self->{'DEBUG'}); return $current; } return 0; } sub _begin_preformatted($) { my $self = shift; my $current = shift; if ($preformatted_contexts{$self->{'context_stack'}->[-1]}) { push @{$current->{'contents'}}, { 'type' => $self->{'context_stack'}->[-1], 'parent' => $current, 'contents' => [] }; $current = $current->{'contents'}->[-1]; print STDERR "PREFORMATTED $self->{'context_stack'}->[-1]\n" if ($self->{'DEBUG'}); } return $current; } # wrapper around line_warn. Set line_nr to be the line_nr of the command, # corresponding to the opening of the command. Call line_warn with # sprintf if needed. sub _command_warn($$$$;@) { my $self = shift; my $current = shift; my $line_nr = shift; my $message = shift; if ($current->{'line_nr'}) { $line_nr = $current->{'line_nr'}; } if (@_) { $self->line_warn(sprintf($message, @_), $line_nr); } else { $self->line_warn($message, $line_nr); } } sub _command_error($$$$;@) { my $self = shift; my $current = shift; my $line_nr = shift; my $message = shift; # use the beginning of the @-command for the error message # line number if available. # FIXME line_nr currently not registered for regular brace commands if ($current->{'line_nr'}) { $line_nr = $current->{'line_nr'}; } if (@_) { $self->line_error(sprintf($message, @_), $line_nr); } else { $self->line_error($message, $line_nr); } } # currently doesn't do much more than # return $_[1]->{'parent'} sub _close_brace_command($$$;$$) { my $self = shift; my $current = shift; my $line_nr = shift; my $closed_command = shift; my $interrupting_command = shift; if ($current->{'cmdname'} ne 'verb' or $current->{'type'} eq '') { if (defined($closed_command)) { $self->_command_error($current, $line_nr, $self->__("\@end %s seen before \@%s closing brace"), $closed_command, $current->{'cmdname'}); } elsif (defined($interrupting_command)) { $self->_command_error($current, $line_nr, $self->__("\@%s seen before \@%s closing brace"), $interrupting_command, $current->{'cmdname'}); } else { $self->_command_error($current, $line_nr, $self->__("%c%s missing close brace"), ord('@'), $current->{'cmdname'}); } } else { $self->_command_error($current, $line_nr, $self->__("\@%s missing closing delimiter sequence: %s}"), $current->{'cmdname'}, $current->{'type'}); } $current = $current->{'parent'}; return $current; } sub _in_code($$) { my $self = shift; my $current = shift; while ($current->{'parent'} and $current->{'parent'}->{'cmdname'} and exists $brace_commands{$current->{'parent'}->{'cmdname'}} and !exists $context_brace_commands{$current->{'parent'}->{'cmdname'}}) { return 1 if ($code_style_commands{$current->{'parent'}->{'cmdname'}}); $current = $current->{'parent'}->{'parent'}; } return 0; } # close brace commands, that don't set a new context (ie @caption, @footnote) sub _close_all_style_commands($$$;$$) { my $self = shift; my $current = shift; my $line_nr = shift; my $closed_command = shift; my $interrupting_command = shift; while ($current->{'parent'} and $current->{'parent'}->{'cmdname'} and exists $brace_commands{$current->{'parent'}->{'cmdname'}} and !exists $context_brace_commands{$current->{'parent'}->{'cmdname'}}) { $current = _close_brace_command($self, $current->{'parent'}, $line_nr, $closed_command, $interrupting_command); } return $current; } # close brace commands except for @caption, @footnote then the paragraph sub _end_paragraph($$$;$$) { my $self = shift; my $current = shift; my $line_nr = shift; my $closed_command = shift; my $interrupting_command = shift; $current = _close_all_style_commands($self, $current, $line_nr, $closed_command, $interrupting_command); if ($current->{'type'} and $current->{'type'} eq 'paragraph') { print STDERR "CLOSE PARA\n" if ($self->{'DEBUG'}); $current = $current->{'parent'}; } return $current; } # close brace commands except for @caption, @footnote then the preformatted sub _end_preformatted($$$;$$) { my $self = shift; my $current = shift; my $line_nr = shift; my $closed_command = shift; my $interrupting_command = shift; $current = _close_all_style_commands($self, $current, $line_nr, $closed_command, $interrupting_command); if ($current->{'type'} and $preformatted_contexts{$current->{'type'}}) { print STDERR "CLOSE PREFORMATTED $current->{'type'}\n" if ($self->{'DEBUG'}); # completly remove void preformatted contexts if (!@{$current->{'contents'}}) { my $removed = pop @{$current->{'parent'}->{'contents'}}; print STDERR "popping $removed->{'type'}\n" if ($self->{'DEBUG'}); } $current = $current->{'parent'}; } return $current; } # check that there are no text holding environment (currently # checking only paragraphs and preformatted) in contents sub _check_no_text($) { my $current = shift; my $after_paragraph = 0; foreach my $content (@{$current->{'contents'}}) { if ($content->{'type'} and $content->{'type'} eq 'paragraph') { $after_paragraph = 1; last; } elsif ($content->{'type'} and $preformatted_contexts{$content->{'type'}}) { foreach my $preformatted_content (@{$content->{'contents'}}) { if ((defined($preformatted_content->{'text'}) and $preformatted_content->{'text'} =~ /\S/) or ($preformatted_content->{'cmdname'} and ($preformatted_content->{'cmdname'} ne 'c' and $preformatted_content->{'cmdname'} ne 'comment') and !($preformatted_content->{'type'} and $preformatted_content->{'type'} eq 'index_entry_command'))) { $after_paragraph = 1; last; } } last if ($after_paragraph); } } return $after_paragraph; } # put everything after the last @item/@itemx in an item_table type container # and distinguish table_term and table_entry. sub _gather_previous_item($$;$$) { my $self = shift; my $current = shift; my $next_command = shift; my $line_nr = shift; # nothing to do in that case. if ($current->{'contents'}->[-1]->{'type'} and $current->{'contents'}->[-1]->{'type'} eq 'before_item') { if ($next_command and $next_command eq 'itemx') { $self->line_warn(sprintf($self->__("\@itemx should not begin \@%s"), $current->{'cmdname'}), $line_nr); } return; } #print STDERR "GATHER "._print_current($current)."\n"; my $type; # if before an itemx, the type is different since there should not be # real content, so it may be treated differently if ($next_command and $next_command eq 'itemx') { $type = 'inter_item'; } else { $type = 'table_item'; } my $table_gathered = {'type' => $type, 'contents' => []}; # remove everything that is not an @item/@items or before_item to # put it in the table_item, starting from the end. my $contents_count = scalar(@{$current->{'contents'}}); for (my $i = 0; $i < $contents_count; $i++) { #print STDERR "_gather_previous_item $i on $contents_count: "._print_current($current->{'contents'}->[-1])."\n"; if ($current->{'contents'}->[-1]->{'cmdname'} and ($current->{'contents'}->[-1]->{'cmdname'} eq 'item' or ($current->{'contents'}->[-1]->{'cmdname'} eq 'itemx'))) { last; } else { my $item_content = pop @{$current->{'contents'}}; $item_content->{'parent'} = $table_gathered; unshift @{$table_gathered->{'contents'}}, $item_content; } } if ($type eq 'table_item') { my $table_entry = {'type' => 'table_entry', 'parent' => $current, 'contents' => []}; my $table_term = {'type' => 'table_term', 'parent' => $table_entry, 'contents' => []}; push @{$table_entry->{'contents'}}, $table_term; my $contents_count = scalar(@{$current->{'contents'}}); for (my $i = 0; $i < $contents_count; $i++) { if ($current->{'contents'}->[-1]->{'type'} and ($current->{'contents'}->[-1]->{'type'} eq 'before_item' or $current->{'contents'}->[-1]->{'type'} eq 'table_entry')) { last; } else { my $item_content = pop @{$current->{'contents'}}; $item_content->{'parent'} = $table_term; unshift @{$table_term->{'contents'}}, $item_content; # debug if (! (($item_content->{'cmdname'} and ($item_content->{'cmdname'} eq 'itemx' or $item_content->{'cmdname'} eq 'item')) or ($item_content->{'type'} and $item_content->{'type'} eq 'inter_item'))) { $self->_bug_message("wrong element in table term", $line_nr, $item_content); } } } push @{$current->{'contents'}}, $table_entry; if (scalar(@{$table_gathered->{'contents'}})) { push @{$table_entry->{'contents'}}, $table_gathered; $table_gathered->{'parent'} = $table_entry; } } else { my $after_paragraph = _check_no_text($table_gathered); if ($after_paragraph) { $self->line_error($self->__("\@itemx must follow \@item"), $line_nr); } if (scalar(@{$table_gathered->{'contents'}})) { push @{$current->{'contents'}}, $table_gathered; $table_gathered->{'parent'} = $current; } } } # Starting from the end, gather everything util the def_line to put in # a def_item sub _gather_def_item($;$) { my $current = shift; my $next_command = shift; my $type; # means that we are between a @def*x and a @def if ($next_command) { $type = 'inter_def_item'; } else { $type = 'def_item'; } # This may happen for a construct like # @deffnx a b @section # but otherwise the end of line will lead to the command closing return if (!$current->{'cmdname'} or $current->{'cmdname'} =~ /x$/); #print STDERR "_gather_def_item($type) in "._print_current($current)."\n"; my $def_item = {'type' => $type, 'parent' => $current, 'contents' => []}; # remove everything that is not a def_line to put it in the def_item, # starting from the end. my $contents_count = scalar(@{$current->{'contents'}}); for (my $i = 0; $i < $contents_count; $i++) { #print STDERR "_gather_def_item $type ($i on $contents_count) "._print_current($current->{'contents'}->[-1])."\n"; if ($current->{'contents'}->[-1]->{'type'} and $current->{'contents'}->[-1]->{'type'} eq 'def_line') { # and !$current->{'contents'}->[-1]->{'extra'}->{'not_after_command'}) { last; } else { my $item_content = pop @{$current->{'contents'}}; $item_content->{'parent'} = $def_item; unshift @{$def_item->{'contents'}}, $item_content; } } if (scalar(@{$def_item->{'contents'}})) { push @{$current->{'contents'}}, $def_item; } } # close formats sub _close_command_cleanup($$$) { my $self = shift; my $current = shift; return unless ($current->{'cmdname'}); # remove the dynamic counters in multitable, they are not of use in the final # tree. Also determine the multitable_body and multitable_head with # @item or @headitem rows. if ($current->{'cmdname'} eq 'multitable') { my $in_head_or_rows; my @contents = @{$current->{'contents'}}; $current->{'contents'} = []; foreach my $row (@contents) { if ($row->{'type'} and $row->{'type'} eq 'row') { delete $row->{'cells_count'}; if ($row->{'contents'}->[0]->{'cmdname'} eq 'headitem') { if (!$in_head_or_rows) { push @{$current->{'contents'}}, {'type' => 'multitable_head', 'parent' => $current}; $in_head_or_rows = 1; } } elsif ($row->{'contents'}->[0]->{'cmdname'} eq 'item') { if (!defined($in_head_or_rows) or $in_head_or_rows) { push @{$current->{'contents'}}, {'type' => 'multitable_body', 'parent' => $current}; $in_head_or_rows = 0; } } push @{$current->{'contents'}->[-1]->{'contents'}}, $row; $row->{'parent'} = $current->{'contents'}->[-1]; } else { push @{$current->{'contents'}}, $row; $in_head_or_rows = undef; } } delete $current->{'rows_count'}; } elsif ($item_container_commands{$current->{'cmdname'}}) { delete $current->{'items_count'}; } # put everything after the last @def*x command in a def_item type container. if ($def_commands{$current->{'cmdname'}}) { # At this point the end command hasn't been added to the command contents. # so checks cannot be done at this point. _gather_def_item($current); } if ($item_line_commands{$current->{'cmdname'}}) { # At this point the end command hasn't been added to the command contents. # so checks cannot be done at this point. if (@{$current->{'contents'}}) { $self->_gather_previous_item($current); } } # put end out of before_item, and replace it at the end of the parent. # remove empty before_item. # warn if not empty before_item, but format is empty if ($block_item_commands{$current->{'cmdname'}}) { if (@{$current->{'contents'}}) { my $leading_spaces = 0; my $before_item; if ($current->{'contents'}->[0]->{'type'} and $current->{'contents'}->[0]->{'type'} eq 'empty_line_after_command' and $current->{'contents'}->[1] and $current->{'contents'}->[1]->{'type'} and $current->{'contents'}->[1]->{'type'} eq 'before_item') { $leading_spaces = 1; $before_item = $current->{'contents'}->[1]; } elsif ($current->{'contents'}->[0]->{'type'} and $current->{'contents'}->[0]->{'type'} eq 'before_item') { $before_item = $current->{'contents'}->[0]; } if ($before_item) { if ($current->{'extra'}->{'end_command'} and @{$before_item->{'contents'}} and $before_item->{'contents'}->[-1] eq $current->{'extra'}->{'end_command'}) { my $end = pop @{$before_item->{'contents'}}; $end->{'parent'} = $current; push @{$current->{'contents'}}, $end; } # remove empty before_items if (!@{$before_item->{'contents'}}) { if ($leading_spaces) { my $space = shift @{$current->{'contents'}}; shift @{$current->{'contents'}}; unshift @{$current->{'contents'}}, $space; } else { shift @{$current->{'contents'}}; } } else { # warn if not empty before_item, but format is empty my $empty_before_item = 1; foreach my $before_item_content (@{$before_item->{'contents'}}) { if (!$before_item_content->{'cmdname'} or ($before_item_content->{'cmdname'} ne 'c' and $before_item_content->{'cmdname'} ne 'comment')) { $empty_before_item = 0; last; } } if (!$empty_before_item) { my $empty_format = 1; foreach my $format_content (@{$current->{'contents'}}) { next if ($format_content eq $before_item); if (($format_content->{'cmdname'} and ($format_content->{'cmdname'} ne 'c' and $format_content->{'cmdname'} ne 'comment' and $format_content->{'cmdname'} ne 'end')) or ($format_content->{'type'} and ($format_content->{'type'} ne 'empty_line_after_command'))) { $empty_format = 0; last; } } if ($empty_format) { $self->line_warn(sprintf($self->__("\@%s has text but no \@item"), $current->{'cmdname'}), $current->{'line_nr'}); } } } } } } } # close the current command, with error messages and give the parent. # If the last argument is given it is the command being closed if # hadn't there be an error, currently only block command, used for a # better error message. sub _close_current($$$;$$) { my $self = shift; my $current = shift; my $line_nr = shift; my $closed_command = shift; my $interrupting_command = shift; if ($current->{'cmdname'}) { print STDERR "CLOSING(_close_current) \@$current->{'cmdname'}\n" if ($self->{'DEBUG'}); if (exists($brace_commands{$current->{'cmdname'}})) { pop @{$self->{'context_stack'}} if (exists $context_brace_commands{$current->{'cmdname'}}); $current = _close_brace_command($self, $current, $line_nr, $closed_command, $interrupting_command); } elsif (exists($block_commands{$current->{'cmdname'}})) { if (defined($closed_command)) { $self->line_error(sprintf($self->__("`\@end' expected `%s', but saw `%s'"), $current->{'cmdname'}, $closed_command), $line_nr); } elsif ($interrupting_command) { $self->line_error(sprintf($self->__("\@%s seen before \@end %s"), $interrupting_command, $current->{'cmdname'}), $line_nr); } else { $self->line_error(sprintf($self->__("no matching `%cend %s'"), ord('@'), $current->{'cmdname'}), $line_nr); if ($block_commands{$current->{'cmdname'}} eq 'conditional') { # in this case we are within an ignored conditional my $conditional = pop @{$current->{'parent'}->{'contents'}}; } } if ($preformatted_commands{$current->{'cmdname'}} or $menu_commands{$current->{'cmdname'}} or $format_raw_commands{$current->{'cmdname'}}) { my $context = pop @{$self->{'context_stack'}}; pop @{$self->{'expanded_formats_stack'}} if ($format_raw_commands{$current->{'cmdname'}}); } pop @{$self->{'regions_stack'}} if ($region_commands{$current->{'cmdname'}}); $current = $current->{'parent'}; } else { # There @item and @tab commands are closed, and also line commands # with invalid content $current = $current->{'parent'}; } } elsif ($current->{'type'}) { print STDERR "CLOSING type $current->{'type'}\n" if ($self->{'DEBUG'}); if ($current->{'type'} eq 'bracketed') { $self->_command_error($current, $line_nr, $self->__("misplaced %c"), ord('{')); } elsif ($current->{'type'} eq 'menu_comment' or $current->{'type'} eq 'menu_entry_description') { my $context = pop @{$self->{'context_stack'}}; if ($context ne 'preformatted') { $self->_bug_message("context $context instead of preformatted", $line_nr, $current); } # close empty menu_comment if (!@{$current->{'contents'}}) { pop @{$current->{'parent'}->{'contents'}}; } } elsif ($current->{'type'} eq 'misc_line_arg' or $current->{'type'} eq 'block_line_arg') { my $context = pop @{$self->{'context_stack'}}; if ($context ne 'line' and $context ne 'def') { $self->_bug_message("context $context instead of line or def", $line_nr, $current); die; } } $current = $current->{'parent'}; } else { # Should never go here. $current = $current->{'parent'} if ($current->{'parent'}); $self->_bug_message("No type nor cmdname when closing", $line_nr, $current); } return $current; } # a closed_command arg means closing until that command is found. # no command arg means closing until the root or a root_command # is found. sub _close_commands($$$;$$) { my $self = shift; my $current = shift; my $line_nr = shift; my $closed_command = shift; my $interrupting_command = shift;; $current = _end_paragraph($self, $current, $line_nr, $closed_command, $interrupting_command); $current = _end_preformatted($self, $current, $line_nr, $closed_command, $interrupting_command); # stop if the command is found while (!($closed_command and $current->{'cmdname'} and $current->{'cmdname'} eq $closed_command) # stop if at the root and $current->{'parent'} # stop if in a root command # or in a context_brace_commands and searching for a specific # end block command (with $closed_command set). # This second condition means that a footnote is not closed when # looking for the end of a block command, but is closed when # completly closing the stack. and !($current->{'cmdname'} and ($root_commands{$current->{'cmdname'}} or ($closed_command and $current->{'parent'}->{'cmdname'} and $context_brace_commands{$current->{'parent'}->{'cmdname'}})))){ $self->_close_command_cleanup($current); $current = $self->_close_current($current, $line_nr, $closed_command, $interrupting_command); } my $closed_element; if ($closed_command and $current->{'cmdname'} and $current->{'cmdname'} eq $closed_command) { if ($preformatted_commands{$current->{'cmdname'}}) { my $context = pop @{$self->{'context_stack'}}; if ($context ne 'preformatted') { $self->_bug_message("context $context instead of preformatted for $closed_command", $line_nr, $current); } } elsif ($format_raw_commands{$current->{'cmdname'}}) { my $context = pop @{$self->{'context_stack'}}; if ($context ne 'rawpreformatted') { $self->_bug_message("context $context instead of rawpreformatted for $closed_command", $line_nr, $current); } pop @{$self->{'expanded_formats_stack'}}; } elsif ($menu_commands{$current->{'cmdname'}}) { my $context = pop @{$self->{'context_stack'}}; # may be in menu, but context is preformatted if in a preformatted too. if ($context ne 'menu' and $context ne 'preformatted') { $self->_bug_message("context $context instead of preformatted or menu for $closed_command", $line_nr, $current); } } #print STDERR "close context $context for $current->{'cmdname'}\n" # if ($self->{'DEBUG'}); pop @{$self->{'regions_stack'}} if ($region_commands{$current->{'cmdname'}}); $closed_element = $current; #$self->_close_command_cleanup($current); $current = $current->{'parent'}; } elsif ($closed_command) { $self->line_error(sprintf($self->__("unmatched `%c%s'"), ord('@'), "end $closed_command"), $line_nr); } return ($closed_element, $current); } # begin paragraph if needed. If not try to merge with the previous # content if it is also some text. sub _merge_text($$$) { my $self = shift; my $current = shift; my $text = shift; my $paragraph; my $no_merge_with_following_text = 0; if ($text =~ /\S/) { my $leading_spaces; if ($text =~ /^(\s+)/) { $leading_spaces = $1; } if ($current->{'contents'} and @{$current->{'contents'}} and $current->{'contents'}->[-1]->{'type'} and ($current->{'contents'}->[-1]->{'type'} eq 'empty_line_after_command' or $current->{'contents'}->[-1]->{'type'} eq 'empty_spaces_before_argument' or $current->{'contents'}->[-1]->{'type'} eq 'empty_spaces_after_close_brace')) { $no_merge_with_following_text = 1; } if (_abort_empty_line($self, $current, $leading_spaces)) { $text =~ s/^(\s+)//; } $paragraph = _begin_paragraph($self, $current); $current = $paragraph if ($paragraph); } if (!defined($current->{'contents'})) { $self->_bug_message("No contents in _merge_text", undef, $current); die; } if (@{$current->{'contents'}} and exists($current->{'contents'}->[-1]->{'text'}) and $current->{'contents'}->[-1]->{'text'} !~ /\n/ and !$no_merge_with_following_text) { $current->{'contents'}->[-1]->{'text'} .= $text; print STDERR "MERGED TEXT: $text|||\n" if ($self->{'DEBUG'}); } else { push @{$current->{'contents'}}, { 'text' => $text, 'parent' => $current }; print STDERR "NEW TEXT: $text|||\n" if ($self->{'DEBUG'}); } return $current; } # return the parent if in a item_container command, itemize or enumerate sub _item_container_parent($) { my $current = shift; if ((($current->{'cmdname'} and $current->{'cmdname'} eq 'item') or ($current->{'type'} and $current->{'type'} eq 'before_item')) and ($current->{'parent'} and $current->{'parent'}->{'cmdname'} and $item_container_commands{$current->{'parent'}->{'cmdname'}})) { return ($current->{'parent'}); } return undef; } # return the parent if in a item_line command, @*table sub _item_line_parent($) { my $current = shift; if ($current->{'cmdname'} and ($current->{'cmdname'} eq 'item' or $current->{'cmdname'} eq 'itemx')) { $current = $current->{'parent'}->{'parent'}; } elsif ($current->{'type'} and $current->{'type'} eq 'before_item' and $current->{'parent'}) { $current = $current->{'parent'}; } return $current if ($current->{'cmdname'} and $item_line_commands{$current->{'cmdname'}}); return undef; } # return the parent if in a multitable sub _item_multitable_parent($) { my $current = shift; if (($current->{'cmdname'} and ($current->{'cmdname'} eq 'headitem' or $current->{'cmdname'} eq 'item' or $current->{'cmdname'} eq 'tab')) and $current->{'parent'} and $current->{'parent'}->{'parent'}) { $current = $current->{'parent'}->{'parent'}; } elsif ($current->{'type'} and $current->{'type'} eq 'before_item' and $current->{'parent'}) { $current = $current->{'parent'}; } return $current if ($current->{'cmdname'} and $current->{'cmdname'} eq 'multitable'); return undef; } # returns next text fragment, be it pending from a macro expansion or # text or file sub _next_text($$$) { my $self = shift; my $line_nr = shift; my $current = shift; while (@{$self->{'input'}}) { my $input = $self->{'input'}->[0]; if (@{$input->{'pending'}}) { my $new_text = shift @{$input->{'pending'}}; if ($new_text->[1] and $new_text->[1]->{'end_macro'}) { delete $new_text->[1]->{'end_macro'}; my $top_macro = shift @{$self->{'macro_stack'}}; print STDERR "SHIFT MACRO_STACK(@{$self->{'macro_stack'}}): $top_macro->{'args'}->[0]->{'text'}\n" if ($self->{'DEBUG'}); } return ($new_text->[0], $new_text->[1]); } elsif ($input->{'fh'}) { my $fh = $input->{'fh'}; my $line = <$fh>; while (defined($line)) { # add an end of line if there is none at the end of file if (eof($fh) and $line !~ /\n/) { $line .= "\n"; } $line =~ s/\x{7F}.*\s*//; if ($self->{'CPP_LINE_DIRECTIVES'} # no cpp directives in ignored/macro/verbatim and defined ($current) and not (($current->{'cmdname'} and $block_commands{$current->{'cmdname'}} and ($block_commands{$current->{'cmdname'}} eq 'raw' or $block_commands{$current->{'cmdname'}} eq 'conditional')) or ($current->{'parent'} and $current->{'parent'}->{'cmdname'} and $current->{'parent'}->{'cmdname'} eq 'verb') ) and $line =~ /^\s*#\s*(line)? (\d+)(( "([^"]+)")(\s+\d+)*)?\s*$/) { $input->{'line_nr'} = $2; if (defined($5)) { $input->{'name'} = $5; } $line = <$fh>; } else { $input->{'line_nr'}++; return ($line, {'line_nr' => $input->{'line_nr'}, 'file_name' => $input->{'name'}, 'macro' => ''}); } } } my $previous_input = shift(@{$self->{'input'}}); # Don't close STDIN if ($previous_input->{'fh'} and $previous_input->{'name'} ne '-') { if (!close($previous_input->{'fh'})) { $self->document_warn(sprintf($self->__("error on closing %s: %s"), $previous_input->{'name'}, $!)); } } } return (undef, $line_nr); } # collect text and line numbers until an end of line is found. sub _new_line($$$) { my $self = shift; my $line_nr = shift; my $current = shift; my $new_line = ''; while (1) { my $new_text; ($new_text, $line_nr) = _next_text($self, $line_nr, $current); if (!defined($new_text)) { $new_line = undef if ($new_line eq ''); last; } $new_line .= $new_text; my $chomped_text = $new_text; last if chomp($chomped_text); } return ($new_line, $line_nr); } sub _expand_macro_arguments($$$$) { my $self = shift; my $macro = shift; my $line = shift; my $line_nr = shift; my $braces_level = 1; my $arguments = [ '' ]; my $arg_nr = 0; my $args_total = scalar(@{$macro->{'args'}}) -1; my $name = $macro->{'args'}->[0]->{'text'}; my $line_nr_orig = $line_nr; while (1) { if ($line =~ s/([^\\{},]*)([\\{},])//) { my $separator = $2; $arguments->[-1] .= $1; if ($separator eq '\\') { if ($line =~ s/^(.)//) { my $protected_char = $1; if ($protected_char !~ /[\\{},]/) { $arguments->[-1] .= '\\'; } $arguments->[-1] .= $protected_char; print STDERR "MACRO ARG: $separator: $protected_char\n" if ($self->{'DEBUG'}); } else { $arguments->[-1] .= '\\'; print STDERR "MACRO ARG: $separator\n" if ($self->{'DEBUG'}); } } elsif ($separator eq ',') { if ($braces_level == 1) { if (scalar(@$arguments) < $args_total) { push @$arguments, ''; $line =~ s/^[^\S\f]*//; print STDERR "MACRO NEW ARG\n" if ($self->{'DEBUG'}); } else { # implicit quoting when there is one argument. if ($args_total != 1) { $self->line_error(sprintf($self->__( "macro `%s' called with too many args"), $name), $line_nr); } $arguments->[-1] .= ','; } } else { $arguments->[-1] .= ','; } } elsif ($separator eq '}') { $braces_level--; last if ($braces_level == 0); $arguments->[-1] .= $separator; } elsif ($separator eq '{') { $braces_level++; $arguments->[-1] .= $separator; } } else { print STDERR "MACRO ARG end of line\n" if ($self->{'DEBUG'}); $arguments->[-1] .= $line; ($line, $line_nr) = _new_line($self, $line_nr, $macro); if (!defined($line)) { $self->line_error(sprintf($self->__("\@%s missing close brace"), $name), $line_nr_orig); return ($arguments, "\n", $line_nr); } } } if ($args_total == 0 and $arguments->[0] =~ /[\S\f]/) { $self->line_error(sprintf($self->__( "macro `%s' declared without argument called with an argument"), $name), $line_nr); } print STDERR "END MACRO ARGS EXPANSION(".scalar(@$arguments)."): ". join("|\n", @$arguments) ."|\n" if ($self->{'DEBUG'}); return ($arguments, $line, $line_nr); } sub _expand_macro_body($$$$) { my $self = shift; my $macro = shift; my $args = shift; my $line_nr = shift; my $macrobody = $macro->{'extra'}->{'macrobody'}; my $args_total = scalar(@{$macro->{'args'}}) -1; my $args_index = $macro->{'extra'}->{'args_index'}; my $i; for ($i=0; $i<=$args_total; $i++) { $args->[$i] = "" unless (defined($args->[$i])); } my $result = ''; while ($macrobody ne '') { if ($macrobody =~ s/^([^\\]*)\\//o) { $result .= $1; if ($macrobody =~ s/^\\//) { $result .= '\\'; } elsif ($macrobody =~ s/^([^\\]*)\\//) { my $arg = $1; if (defined($args_index->{$arg})) { $result .= $args->[$args_index->{$arg}]; } else { $self->line_error(sprintf($self->__( "\\ in \@%s expansion followed `%s' instead of parameter name or \\"), $macro->{'args'}->[0]->{'text'}, $arg), $line_nr); $result .= '\\' . $arg; } } next; } $result .= $macrobody; last; } return $result; } # each time a new line appeared, a container is opened to hold the text # consisting only of spaces. This container is removed here, typically # this is called when non-space happens on a line. sub _abort_empty_line($$;$) { my $self = shift; my $current = shift; my $additional_text = shift; $additional_text = '' if (!defined($additional_text)); if ($current->{'contents'} and @{$current->{'contents'}} and $current->{'contents'}->[-1]->{'type'} and ($current->{'contents'}->[-1]->{'type'} eq 'empty_line' or $current->{'contents'}->[-1]->{'type'} eq 'empty_line_after_command' or $current->{'contents'}->[-1]->{'type'} eq 'empty_spaces_before_argument' or $current->{'contents'}->[-1]->{'type'} eq 'empty_spaces_after_close_brace')) { print STDERR "ABORT EMPTY additional text |$additional_text|, current |$current->{'contents'}->[-1]->{'text'}|\n" if ($self->{'DEBUG'}); $current->{'contents'}->[-1]->{'text'} .= $additional_text; # remove empty 'empty*before'. if ($current->{'contents'}->[-1]->{'text'} eq '') { # as we remove 'empty_spaces_before_argument', 'spaces_before_argument' # is removed from 'extra' too. if ($current->{'extra'} and $current->{'extra'}->{'spaces_before_argument'} and $current->{'extra'}->{'spaces_before_argument'} eq $current->{'contents'}->[-1]) { delete ($current->{'extra'}->{'spaces_before_argument'}); delete ($current->{'extra'}) if !(keys(%{$current->{'extra'}})); } pop @{$current->{'contents'}} } elsif ($current->{'contents'}->[-1]->{'type'} eq 'empty_line') { # exactly the same condition than to begin a paragraph if ((!$current->{'type'} or $type_with_paragraph{$current->{'type'}}) and !$no_paragraph_contexts{$self->{'context_stack'}->[-1]}) { $current->{'contents'}->[-1]->{'type'} = 'empty_spaces_before_paragraph'; } else { delete $current->{'contents'}->[-1]->{'type'}; } } elsif ($current->{'contents'}->[-1]->{'type'} eq 'empty_line_after_command') { $current->{'contents'}->[-1]->{'type'} = 'empty_spaces_after_command'; } return 1; } return 0; } # isolate last space in a command to help expansion disregard unuseful spaces. sub _isolate_last_space($$;$) { my $self = shift; my $current = shift; my $type = shift; $type = 'spaces_at_end' if (!defined($type)); if ($current->{'contents'} and @{$current->{'contents'}}) { my $index = -1; # we ignore space before a misc command that is last on line. # This is primarily to tag spaces before comments, but this will # also tag and, in most converter lead to removal of spaces # before any misc command, which is not really problematic as # in most cases, if it is not a comment, we are in an invalid # nesting of misc command on another @-command line. $index = -2 if (scalar(@{$current->{'contents'}}) > 1 and $current->{'contents'}->[-1]->{'cmdname'} and $self->{'misc_commands'}->{$current->{'contents'}->[-1]->{'cmdname'}}); if (defined($current->{'contents'}->[$index]->{'text'}) and !$current->{'contents'}->[$index]->{'type'} and $current->{'contents'}->[$index]->{'text'} =~ /\s+$/) { if ($current->{'contents'}->[$index]->{'text'} !~ /\S/) { $current->{'contents'}->[$index]->{'type'} = $type; } else { $current->{'contents'}->[$index]->{'text'} =~ s/(\s+)$//; my $spaces = $1; my $new_spaces = { 'text' => $spaces, 'parent' => $current, 'type' => $type }; if ($index == -1) { push @{$current->{'contents'}}, $new_spaces; } else { splice (@{$current->{'contents'}}, $index+1, 0, $new_spaces); } } } } } # used to put a node name in error messages. sub _node_extra_to_texi($) { my $node = shift; my $result = ''; if ($node->{'manual_content'}) { $result = '('.Texinfo::Convert::Texinfo::convert({'contents' => $node->{'manual_content'}}) .')'; } if ($node->{'node_content'}) { $result .= Texinfo::Convert::Texinfo::convert ({'contents' => $node->{'node_content'}}); } return $result; } sub _find_end_brace($$) { my $text = shift; my $braces_count = shift; my $before = ''; while ($braces_count > 0 and length($text)) { if ($text =~ s/([^()]*)([()])//) { $before .= $1.$2; my $brace = $2; if ($brace eq '(') { $braces_count++; } else { $braces_count--; if ($braces_count == 0) { return ($before, $text, 0); } } } else { $before .= $text; $text = ''; } } return ($before, undef, $braces_count); } # This only counts opening braces, and returns 0 once all the parentheses # are closed sub _count_opened_tree_braces($$); sub _count_opened_tree_braces($$) { my $current = shift; my $braces_count = shift; if (defined($current->{'text'})) { my ($before, $after); ($before, $after, $braces_count) = _find_end_brace($current->{'text'}, $braces_count); } if ($current->{'args'}) { foreach my $arg (@{$current->{'args'}}) { $braces_count = _count_opened_tree_braces($arg, $braces_count); return $braces_count if ($braces_count == 0); } } if ($current->{'contents'}) { foreach my $content (@{$current->{'contents'}}) { $braces_count = _count_opened_tree_braces($content, $braces_count); return $braces_count if ($braces_count == 0); } } return $braces_count; } # retrieve a leading manual name in parentheses, if there is one. sub _parse_node_manual($) { my $node = shift; my @contents = @{$node->{'contents'}}; _trim_spaces_comment_from_content(\@contents); my $manual; my $result; #print STDERR "RRR $contents[0] and $contents[0]->{'text'} \n"; if ($contents[0] and $contents[0]->{'text'} and $contents[0]->{'text'} =~ /^\(/) { my $braces_count = 1; if ($contents[0]->{'text'} !~ /^\($/) { my $brace = shift @contents; my $brace_text = $brace->{'text'}; $brace_text =~ s/^\(//; unshift @contents, { 'text' => $brace_text, 'type' => $brace->{'type'}, 'parent' => $brace->{'parent'} } if $brace_text ne ''; } else { shift @contents; } while(@contents) { my $content = shift @contents; if (!defined($content->{'text'}) or $content->{'text'} !~ /\)/) { push @$manual, $content; $braces_count = _count_opened_tree_braces($content, $braces_count); # This is an error, braces were closed in a command if ($braces_count == 0) { last; } } else { my ($before, $after); ($before, $after, $braces_count) = _find_end_brace($content->{'text'}, $braces_count); if ($braces_count == 0) { $before =~ s/\)$//; push @$manual, { 'text' => $before, 'parent' => $content->{'parent'} } if ($before ne ''); $after =~ s/^\s*//; unshift @contents, { 'text' => $after, 'parent' => $content->{'parent'} } if ($after ne ''); last; } else { push @$manual, $content; } } } $result->{'manual_content'} = $manual if (defined($manual)); } if (@contents) { $result->{'node_content'} = \@contents; $result->{'normalized'} = Texinfo::Convert::NodeNameNormalization::normalize_node({'contents' => \@contents}); } return $result; } sub _parse_float_type($) { my $current = shift; if (@{$current->{'args'}}) { my @type_contents = @{$current->{'args'}->[0]->{'contents'}}; _trim_spaces_comment_from_content(\@type_contents); if (@type_contents) { my $normalized = Texinfo::Convert::NodeNameNormalization::normalize_node( {'contents' => \@type_contents}); $current->{'extra'}->{'type'}->{'content'} = \@type_contents; if ($normalized =~ /[^-]/) { $current->{'extra'}->{'type'}->{'normalized'} = $normalized; return 1; } } } $current->{'extra'}->{'type'}->{'normalized'} = ''; return 0; } # used for definition line parsing sub _next_bracketed_or_word($$) { my $self = shift; my $contents = shift; return undef if (!scalar(@{$contents})); my $spaces; $spaces = shift @{$contents} if (defined($contents->[0]->{'text'}) and $contents->[0]->{'text'} !~ /\S/); if (defined($spaces)) { $spaces->{'type'} = 'spaces'; chomp $spaces->{'text'}; $spaces = undef if ($spaces->{'text'} eq ''); } return ($spaces, undef) if (!scalar(@{$contents})); #print STDERR "BEFORE PROCESSING ".Texinfo::Convert::Texinfo::convert({'contents' => $contents}); if ($contents->[0]->{'type'} and $contents->[0]->{'type'} eq 'bracketed') { #print STDERR "Return bracketed\n"; my $bracketed = shift @{$contents}; $self->_isolate_last_space($bracketed, 'empty_space_at_end_def_bracketed'); my $bracketed_def_content = { 'contents' => $bracketed->{'contents'}, 'parent' => $bracketed->{'parent'}, 'type' => 'bracketed_def_content', }; if ($bracketed->{'extra'} and $bracketed->{'extra'}->{'spaces_before_argument'}) { $bracketed_def_content->{'extra'}->{'spaces_before_argument'} = $bracketed->{'extra'}->{'spaces_before_argument'}; } return ($spaces, $bracketed_def_content); } elsif ($contents->[0]->{'cmdname'}) { #print STDERR "Return command $contents->[0]->{'cmdname'}\n"; return ($spaces, shift @{$contents}); } else { #print STDERR "Process $contents->[0]->{'text'}\n"; $contents->[0]->{'text'} =~ s/^(\s*)//; my $space_text = $1; $spaces = {'text' => $space_text, 'type' => 'spaces'} if ($space_text); $contents->[0]->{'text'} =~ s/^(\S+)//; shift @{$contents} if ($contents->[0]->{'text'} eq ''); return ($spaces, {'text' => $1}); } } # definition line parsing sub _parse_def($$$) { my $self = shift; my $command = shift; my $contents = shift; my @contents = @$contents; shift @contents if ($contents[0] and $contents[0]->{'type'} and $contents[0]->{'type'} eq 'empty_spaces_after_command'); if ($def_aliases{$command}) { my $real_command = $def_aliases{$command}; my $prepended = $def_map{$command}->{$real_command}; my @prepended_content; my $text; my $in_bracketed; if ($prepended =~ /^\{/) { $text = $prepended; $text =~ s/\{([^\}]+)\}/$1/; $in_bracketed = 1; } else { $text = $prepended; } my $tree = $self->gdt($text); if ($in_bracketed or @{$tree->{'contents'}} > 1) { my $bracketed = { 'type' => 'bracketed' }; $bracketed->{'contents'} = $tree->{'contents'}; foreach my $content (@{$tree->{'contents'}}) { $content->{'parent'} = $bracketed; } @prepended_content = ($bracketed); } else { @prepended_content = (@{$tree->{'contents'}}); } push @prepended_content, { 'text' => ' ' }; unshift @contents, @prepended_content; $command = $def_aliases{$command}; } foreach (my $i = 0; $i < scalar(@contents); $i++) { # copy, to avoid changing the original $contents[$i] = {'text' => $contents[$i]->{'text'}} if (defined($contents[$i]->{'text'})); } my @result; my @args = @{$def_map{$command}}; my $arg_type; # Even when $arg_type is not set, that is for def* that is not documented # to take args, everything is as is arg_type was set to arg. $arg_type = pop @args if ($args[-1] eq 'arg' or $args[-1] eq 'argtype'); foreach my $arg (@args) { #print STDERR "$command $arg"._print_current($contents[0]); #foreach my $content (@contents) {print STDERR " "._print_current($content)}; #print STDERR " contents ->".Texinfo::Convert::Texinfo::convert ({'contents' => \@contents}); my ($spaces, $next) = $self->_next_bracketed_or_word(\@contents); last if (!defined($next)); #print STDERR "NEXT[$arg] ".Texinfo::Convert::Texinfo::convert($next)."\n"; push @result, ['spaces', $spaces] if (defined($spaces)); push @result, [$arg, $next]; } my @args_results; while (@contents) { my ($spaces, $next) = $self->_next_bracketed_or_word(\@contents); push @args_results, ['spaces', $spaces] if (defined($spaces)); last if (!defined($next)); if (defined($next->{'text'})) { while (1) { if ($next->{'text'} =~ s/^([^\[\](),]+)//) { push @args_results, ['arg', {'text' => $1}]; } elsif ($next->{'text'} =~ s/^([\[\](),])//) { push @args_results, ['delimiter', {'text' => $1, 'type' => 'delimiter'}]; } else { last; } } } else { push @args_results, [ 'arg', $next ]; } } if ($arg_type and $arg_type eq 'argtype') { my $next_is_type = 1; foreach my $arg(@args_results) { if ($arg->[0] eq 'spaces') { } elsif ($arg->[0] eq 'delimiter') { $next_is_type = 1; } elsif ($arg->[1]->{'cmdname'} and $arg->[1]->{'cmdname'} ne 'code') { $next_is_type = 1; } elsif ($next_is_type) { $arg->[0] = 'typearg'; $next_is_type = 0; } else { $next_is_type = 1; } } } return [@result, @args_results]; } # register a label, that is something that may be the target of a reference # and must be unique in the document. Corresponds with @node, @anchor and # @float second arg. sub _register_label($$$$) { my $self = shift; my $current = shift; my $label = shift; my $line_nr = shift; my $normalized = $label->{'normalized'}; if (_ignore_global_commands($self)) { $current->{'extra'}->{'normalized'} = $normalized; $current->{'extra'}->{'node_content'} = $label->{'node_content'}; return 0; } elsif ($self->{'labels'}->{$normalized}) { $self->line_error(sprintf($self->__("\@%s `%s' previously defined"), $current->{'cmdname'}, Texinfo::Convert::Texinfo::convert({'contents' => $label->{'node_content'}})), $line_nr); $self->line_error(sprintf($self->__("here is the previous definition as \@%s"), $self->{'labels'}->{$normalized}->{'cmdname'}), $self->{'labels'}->{$normalized}->{'line_nr'}, 1); return 0; } else { $current->{'extra'}->{'normalized'} = $normalized; $current->{'extra'}->{'node_content'} = $label->{'node_content'}; $self->{'labels'}->{$normalized} = $current; return 1; } } sub _non_bracketed_contents($) { my $current = shift; if ($current->{'type'} and $current->{'type'} eq 'bracketed') { my $new = {}; $new->{'contents'} = $current->{'contents'} if ($current->{'parent'}); $new->{'parent'} = $current->{'parent'} if ($current->{'parent'}); return $new; } else { return $current; } } # store an index entry. # $current is the command element. # $content holds the actual content. # for index entries and v|ftable items, it is the index entry content, # for def, it is the parsed arguments, based on the definition line # arguments. sub _enter_index_entry($$$$$$$) { my $self = shift; my $command_container = shift; my $command = shift; my $current = shift; my $content = shift; my $content_normalized = shift; my $line_nr = shift; $content_normalized = $content if (!defined($content_normalized)); my $prefix = $self->{'command_index_prefix'}->{$command_container}; my $index_name = $self->{'prefix_to_index_name'}->{$prefix}; my $index = $self->{'index_names'}->{$index_name}; my $number; unless (_ignore_global_commands($self)) { $number = (defined($index->{'index_entries'}) ? (scalar(@{$index->{'index_entries'}}) + 1) : 1); } my $index_entry = { 'index_name' => $index_name, 'index_at_command' => $command, 'index_type_command' => $command_container, 'index_prefix' => $prefix, 'content' => $content, 'content_normalized' => $content_normalized, 'command' => $current, 'number' => $number, }; if (@{$self->{'regions_stack'}}) { $index_entry->{'region'} = $self->{'regions_stack'}->[-1]; } elsif ($self->{'current_node'}) { $index_entry->{'node'} = $self->{'current_node'}; } elsif (!$self->{'current_section'}) { $self->line_warn(sprintf($self->__("entry for index `%s' outside of any node"), $index_name), $line_nr); } #print STDERR "INDEX ENTRY \@$command->{'cmdname'} $index_name($number)\n"; unless (_ignore_global_commands($self)) { push @{$index->{'index_entries'}}, $index_entry; } $current->{'extra'}->{'index_entry'} = $index_entry; } # This is always called at command closing. sub _remove_empty_content_arguments($) { my $current = shift; my $type; if ($current->{'extra'}) { if ($current->{'extra'}->{'block_command_line_contents'}) { $type = 'block_command_line_contents'; } elsif ($current->{'extra'}->{'brace_command_contents'}) { $type = 'brace_command_contents'; } } if ($type) { while (@{$current->{'extra'}->{$type}} and not defined($current->{'extra'}->{$type}->[-1])) { pop @{$current->{'extra'}->{$type}}; } delete $current->{'extra'}->{$type} if (!@{$current->{'extra'}->{$type}}); delete $current->{'extra'} if (!keys(%{$current->{'extra'}})); } } sub _strip_macrobody_leading_space($$) { my $self = shift; my $text = shift; if ($self->{'MACRO_BODY_IGNORES_LEADING_SPACE'}) { $text =~ s/^\s*//mg; } return $text; } # close constructs and do stuff at end of line (or end of the document) sub _end_line($$$); sub _end_line($$$) { my $self = shift; my $current = shift; my $line_nr = shift; my $current_old = $current; my $included_file = 0; # a line consisting only of spaces. if ($current->{'contents'} and @{$current->{'contents'}} and $current->{'contents'}->[-1]->{'type'} and $current->{'contents'}->[-1]->{'type'} eq 'empty_line') { print STDERR "END EMPTY LINE\n" if ($self->{'DEBUG'}); if ($current->{'type'} and $current->{'type'} eq 'paragraph') { my $empty_line = pop @{$current->{'contents'}}; $current = _end_paragraph($self, $current, $line_nr); push @{$current->{'contents'}}, $empty_line; $empty_line->{'parent'} = $current; } elsif ($current->{'type'} and $current->{'type'} eq 'preformatted' and $current->{'parent'}->{'type'} and $current->{'parent'}->{'type'} eq 'menu_entry_description') { my $empty_line = pop @{$current->{'contents'}}; if ($current->{'type'} eq 'preformatted') { my $empty_preformatted = (!@{$current->{'contents'}}); $current = $current->{'parent'}; pop @{$current->{'contents'}} if ($empty_preformatted); } my $context = pop @{$self->{'context_stack'}}; if ($context ne 'preformatted') { $self->_bug_message("context $context instead of preformatted in empty line after menu_entry_description", $line_nr, $current); } # first parent is menu_entry $current = $current->{'parent'}->{'parent'}; push @{$current->{'contents'}}, { 'type' => 'menu_comment', 'parent' => $current, 'contents' => [] }; $current = $current->{'contents'}->[-1]; push @{$current->{'contents'}}, { 'type' => 'preformatted', 'parent' => $current, 'contents' => [] }; $current = $current->{'contents'}->[-1]; push @{$current->{'contents'}}, { 'type' => 'after_description_line', 'text' => $empty_line->{'text'}, 'parent' => $current }; push @{$self->{'context_stack'}}, 'preformatted'; print STDERR "MENU: END DESCRIPTION, OPEN COMMENT\n" if ($self->{'DEBUG'}); } elsif (!$no_paragraph_contexts{$self->{'context_stack'}->[-1]}) { $current = _end_paragraph($self, $current, $line_nr); } # end of a menu line. } elsif ($current->{'type'} and ($current->{'type'} eq 'menu_entry_name' or $current->{'type'} eq 'menu_entry_node')) { my $empty_menu_entry_node = 0; my $end_comment; if ($current->{'type'} eq 'menu_entry_node') { if (@{$current->{'contents'}} and $current->{'contents'}->[-1]->{'cmdname'} and ($current->{'contents'}->[-1]->{'cmdname'} eq 'c' or $current->{'contents'}->[-1]->{'cmdname'} eq 'comment')) { $end_comment = pop @{$current->{'contents'}}; } if (!@{$current->{'contents'}} # empty if only the end of line or spaces or (@{$current->{'contents'}} == 1 and defined($current->{'contents'}->[-1]->{'text'}) and $current->{'contents'}->[-1]->{'text'} !~ /\S/)) { $empty_menu_entry_node = 1; push @{$current->{'contents'}}, $end_comment if ($end_comment); } } # we abort the menu entry if there is no node name if ($empty_menu_entry_node or $current->{'type'} eq 'menu_entry_name') { my $description_or_menu_comment; print STDERR "FINALLY NOT MENU ENTRY\n" if ($self->{'DEBUG'}); my $menu = $current->{'parent'}->{'parent'}; my $menu_entry = pop @{$menu->{'contents'}}; if (@{$menu->{'contents'}} and $menu->{'contents'}->[-1]->{'type'} and $menu->{'contents'}->[-1]->{'type'} eq 'menu_entry') { my $entry = $menu->{'contents'}->[-1]; my $description; foreach my $entry_element (reverse(@{$entry->{'args'}})) { if ($entry_element->{'type'} eq 'menu_entry_description') { $description = $entry_element; last; } } if ($description) { $description_or_menu_comment = $description; } else { # Normally this cannot happen $self->_bug_message("No description in menu_entry", $line_nr, $current); push @{$entry->{'args'}}, {'type' => 'menu_entry_description', 'parent' => $entry, 'contents' => [] }; $description_or_menu_comment = $entry->{'args'}->[-1]; } } elsif (@{$menu->{'contents'}} and $menu->{'contents'}->[-1]->{'type'} and $menu->{'contents'}->[-1]->{'type'} eq 'menu_comment') { $description_or_menu_comment = $menu->{'contents'}->[-1]; } if ($description_or_menu_comment) { $current = $description_or_menu_comment; if ($current->{'contents'}->[-1] and $current->{'contents'}->[-1]->{'type'} and $current->{'contents'}->[-1]->{'type'} eq 'preformatted') { $current = $current->{'contents'}->[-1]; } else { # this should not happen $self->_bug_message("description or menu comment not in preformatted", $line_nr, $current); push @{$current->{'contents'}}, {'type' => 'preformatted', 'parent' => $current, 'contents' => [] }; $current = $current->{'contents'}->[-1]; } push @{$self->{'context_stack'}}, 'preformatted'; } else { push @{$menu->{'contents'}}, {'type' => 'menu_comment', 'parent' => $menu, 'contents' => [] }; $current = $menu->{'contents'}->[-1]; push @{$current->{'contents'}}, {'type' => 'preformatted', 'parent' => $current, 'contents' => [] }; $current = $current->{'contents'}->[-1]; push @{$self->{'context_stack'}}, 'preformatted'; print STDERR "THEN MENU_COMMENT OPEN\n" if ($self->{'DEBUG'}); } while (@{$menu_entry->{'args'}}) { my $arg = shift @{$menu_entry->{'args'}}; if (defined($arg->{'text'})) { $current = _merge_text($self, $current, $arg->{'text'}); } else { while (@{$arg->{'contents'}}) { my $content = shift @{$arg->{'contents'}}; if (defined($content->{'text'})) { $current = _merge_text($self, $current, $content->{'text'}); $content = undef; } else { $content->{'parent'} = $current; push @{$current->{'contents'}}, $content; } } } $arg = undef; } # MENU_COMMENT open $menu_entry = undef; } else { print STDERR "MENU ENTRY END LINE\n" if ($self->{'DEBUG'}); $current = $current->{'parent'}; $current = _enter_menu_entry_node($self, $current, $line_nr); if (defined($end_comment)) { $end_comment->{'parent'} = $current; push @{$current->{'contents'}}, $end_comment; } } # def line } elsif ($current->{'parent'} and $current->{'parent'}->{'type'} and $current->{'parent'}->{'type'} eq 'def_line') { my $def_context = pop @{$self->{'context_stack'}}; if ($def_context ne 'def') { $self->_bug_message("context $def_context instead of def", $line_nr, $current); die; } my $def_command = $current->{'parent'}->{'extra'}->{'def_command'}; my $arguments = $self->_parse_def($def_command, $current->{'contents'}); if (scalar(@$arguments)) { $current->{'parent'}->{'extra'}->{'def_args'} = $arguments; my $def_parsed_hash; foreach my $arg (@$arguments) { die if (!defined($arg->[0])); last if ($arg->[0] eq 'arg' or $arg->[0] eq 'typearg' or $arg->[0] eq 'delimiter'); next if ($arg->[0] eq 'spaces'); # change of type is done in _parse_def. #if ($arg->[1]->{'type'} and $arg->[1]->{'type'} eq 'bracketed') { # $def_parsed_hash->{$arg->[0]} = { 'contents' => $arg->[1]->{'contents'}, # 'type' => 'bracketed_def_content', # 'parent' => $arg->[1]->{'parent'}}; #} else { # $def_parsed_hash->{$arg->[0]} = $arg->[1]; #} $def_parsed_hash->{$arg->[0]} = $arg->[1]; } $current->{'parent'}->{'extra'}->{'def_parsed_hash'} = $def_parsed_hash; # do an standard index entry tree my $index_entry; if (defined($def_parsed_hash->{'name'})) { $index_entry = $def_parsed_hash->{'name'} # empty bracketed unless ($def_parsed_hash->{'name'}->{'type'} and $def_parsed_hash->{'name'}->{'type'} eq 'bracketed_def_content' and (!$def_parsed_hash->{'name'}->{'contents'} or (!scalar(@{$def_parsed_hash->{'name'}->{'contents'}})) or (scalar(@{$def_parsed_hash->{'name'}->{'contents'}}) == 1 and defined($def_parsed_hash->{'name'}->{'contents'}->[0]->{'text'}) and $def_parsed_hash->{'name'}->{'contents'}->[0]->{'text'} !~ /\S/))); } if (defined($index_entry)) { my $index_contents_normalized; if ($def_parsed_hash->{'class'}) { if ($command_index_prefix{$def_command} eq 'f') { $index_entry = $self->gdt('{name} on {class}', {'name' => $def_parsed_hash->{'name'}, 'class' => $def_parsed_hash->{'class'}}); $index_contents_normalized = [_non_bracketed_contents($def_parsed_hash->{'name'}), { 'text' => ' on '}, _non_bracketed_contents($def_parsed_hash->{'class'})]; } elsif ($command_index_prefix{$def_command} eq 'v' and $def_command ne 'defcv') { $index_entry = $self->gdt('{name} of {class}', {'name' => $def_parsed_hash->{'name'}, 'class' => $def_parsed_hash->{'class'}}); $index_contents_normalized = [_non_bracketed_contents($def_parsed_hash->{'name'}), { 'text' => ' of '}, _non_bracketed_contents($def_parsed_hash->{'class'})]; } } $index_contents_normalized = [$index_entry] if (!defined($index_contents_normalized)); my $index_contents; # 'root_line' is the container returned by gdt. if ($index_entry->{'type'} and $index_entry->{'type'} eq 'root_line') { $index_contents = $index_entry->{'contents'}; } else { $index_contents = [$index_entry]; } _enter_index_entry($self, $current->{'parent'}->{'extra'}->{'def_command'}, $current->{'parent'}->{'extra'}->{'original_def_cmdname'}, $current->{'parent'}, $index_contents, $index_contents_normalized, $line_nr); } else { $self->_command_warn($current->{'parent'}, $line_nr, $self->__('missing name for @%s'), $current->{'parent'}->{'extra'}->{'original_def_cmdname'}); } } else { $self->_command_warn($current->{'parent'}, $line_nr, $self->__('missing category for @%s'), $current->{'parent'}->{'extra'}->{'original_def_cmdname'}); } $current = $current->{'parent'}->{'parent'}; $current = $self->_begin_preformatted($current); # other block command lines } elsif ($current->{'type'} and $current->{'type'} eq 'block_line_arg') { my $empty_text; my $context = pop @{$self->{'context_stack'}}; if ($context ne 'line') { $self->_bug_message("context $context instead of line in block_line_arg", $line_nr, $current); } # @multitable args if ($current->{'parent'}->{'cmdname'} and $current->{'parent'}->{'cmdname'} eq 'multitable') { # parse the prototypes and put them in a special arg my @prototype_row; # do the same but keeping spaces information my @prototype_line; foreach my $content (@{$current->{'contents'}}) { if ($content->{'type'} and $content->{'type'} eq 'bracketed') { push @prototype_row, { 'contents' => $content->{'contents'}, 'parent' => $content->{'parent'}, 'type' => 'bracketed_multitable_prototype'}; push @prototype_line, $content; } elsif ($content->{'text'}) { if ($content->{'text'} =~ /\S/) { foreach my $prototype (split /\s+/, $content->{'text'}) { push @prototype_row, { 'text' => $prototype, 'type' => 'row_prototype' } unless ($prototype eq ''); } } # The regexp breaks between characters, with a non space followed # by a space or a space followed by non space. It is like \b, but # for \s \S, and not \w \W. foreach my $prototype_or_space (split /(?<=\S)(?=\s)|(?=\S)(?<=\s)/, $content->{'text'}) { if ($prototype_or_space =~ /\S/) { push @prototype_line, {'text' => $prototype_or_space, 'type' => 'row_prototype' }; } elsif ($prototype_or_space =~ /\s/) { push @prototype_line, {'text' => $prototype_or_space, 'type' => 'prototype_space' }; } } } else { # FIXME could this happen? Should be a debug message? if (!$content->{'cmdname'}) { $self->_command_warn($current, $line_nr, $self->__("unexpected argument on \@%s line: %s"), $current->{'cmdname'}, Texinfo::Convert::Texinfo::convert({ $content->{'contents'} })); } elsif ($content->{'cmdname'} eq 'c' or $content->{'cmdname'} eq 'comment') { } else { push @prototype_row, $content; push @prototype_line, $content; } } } my $multitable = $current->{'parent'}; $multitable->{'extra'}->{'max_columns'} = scalar(@prototype_row); if (!scalar(@prototype_row)) { $self->_command_warn($multitable, $line_nr, $self->__("empty multitable")); } $multitable->{'extra'}->{'prototypes'} = \@prototype_row; $multitable->{'extra'}->{'prototypes_line'} = \@prototype_line; } else { $self->_isolate_last_space($current, 'space_at_end_block_command'); $self->_register_command_arg($current, 'block_command_line_contents'); } # @float args if ($current->{'parent'}->{'cmdname'} and $current->{'parent'}->{'cmdname'} eq 'float') { my $float = $current->{'parent'}; $float->{'line_nr'} = $line_nr; my $type = ''; if (@{$float->{'args'}}) { if ($float->{'args'}->[1]) { my $float_label = _parse_node_manual($float->{'args'}->[1]); _check_internal_node($self, $float_label, $line_nr); if (defined($float_label) and $float_label->{'node_content'} and $float_label->{'normalized'} =~ /[^-]/) { _register_label($self, $float, $float_label, $line_nr); } } _parse_float_type($float); $type = $float->{'extra'}->{'type'}->{'normalized'}; } push @{$self->{'floats'}->{$type}}, $float unless (_ignore_global_commands($self)); $float->{'float_section'} = $self->{'current_section'} if (defined($self->{'current_section'})); } $current = $current->{'parent'}; delete $current->{'remaining_args'}; # don't consider empty argument of block @-commands as argument, # reparent them as contents if ($current->{'args'}->[0]->{'contents'}->[0] and $current->{'args'}->[0]->{'contents'}->[0]->{'type'} and $current->{'args'}->[0]->{'contents'}->[0]->{'type'} eq 'empty_line_after_command') { my $empty_text = $current->{'args'}->[0]->{'contents'}->[0]; $empty_text->{'parent'} = $current; unshift @{$current->{'contents'}}, $empty_text; delete $current->{'args'}; } # Additionally, remove empty arguments as far as possible _remove_empty_content_arguments($current); if ($current->{'cmdname'} and $block_item_commands{$current->{'cmdname'}}) { if ($current->{'cmdname'} eq 'enumerate') { my $spec = 1; if ($current->{'extra'}->{'block_command_line_contents'} and defined($current->{'extra'}->{'block_command_line_contents'}->[0])) { if (scalar(@{$current->{'extra'}->{'block_command_line_contents'}->[0]}) > 1) { $self->_command_error($current, $line_nr, $self->__("superfluous argument to \@%s"), $current->{'cmdname'}); } my $arg = $current->{'extra'}->{'block_command_line_contents'}->[0]->[0]; if (!defined($arg->{'text'}) or $arg->{'text'} !~ /^(([[:digit:]]+)|([[:alpha:]]+))$/) { $self->_command_error($current, $line_nr, $self->__("bad argument to \@%s"), $current->{'cmdname'}); } else { $spec = $arg->{'text'}; } } $current->{'extra'}->{'enumerate_specification'} = $spec; } elsif ($item_line_commands{$current->{'cmdname'}}) { if (!$current->{'extra'} or !$current->{'extra'}->{'command_as_argument'}) { $self->_command_error($current, $line_nr, $self->__("%s requires an argument: the formatter for %citem"), $current->{'cmdname'}, ord('@')); } elsif (!$brace_commands{$current->{'extra'}->{'command_as_argument'}->{'cmdname'}} and !$self->{'definfoenclose'}->{$current->{'extra'}->{'command_as_argument'}->{'cmdname'}}) { $self->_command_error($current, $line_nr, $self->__("command \@%s not accepting argument in brace should not be on \@%s line"), $current->{'extra'}->{'command_as_argument'}->{'cmdname'}, $current->{'cmdname'}); delete $current->{'extra'}->{'command_as_argument'}; } } # This code checks that the command_as_argument of the @itemize # is alone on the line, otherwise it is not a command_as_argument. if ($current->{'extra'} and $current->{'extra'}->{'command_as_argument'} and $current->{'cmdname'} eq 'itemize') { my @args = @{$current->{'args'}->[0]->{'contents'}}; while (@args) { my $arg = shift @args; last if ($arg eq $current->{'extra'}->{'command_as_argument'}); } while (@args) { my $arg = shift @args; if (!(($arg->{'cmdname'} and ($arg->{'cmdname'} eq 'c' or $arg->{'cmdname'} eq 'comment')) or (defined($arg->{'text'}) and $arg->{'text'} !~ /\S/))) { #print STDERR " -> stop at "._print_current($arg)."\n"; delete $current->{'extra'}->{'command_as_argument'}->{'type'}; delete $current->{'extra'}->{'command_as_argument'}; last; } } } if ($current->{'extra'} and $current->{'extra'}->{'command_as_argument'} and $accent_commands{$current->{'extra'}->{'command_as_argument'}->{'cmdname'}} and ($current->{'cmdname'} eq 'itemize' or $item_line_commands{$current->{'cmdname'}})) { $self->_command_warn($current, $line_nr, $self->__("accent command `\@%s' not allowed as \@%s argument"), $current->{'extra'}->{'command_as_argument'}->{'cmdname'}, $current->{'cmdname'}); delete $current->{'extra'}->{'command_as_argument'}; delete $current->{'extra'}->{'block_command_line_contents'}; } if (!$current->{'extra'}->{'block_command_line_contents'} and $current->{'cmdname'} eq 'itemize') { $current->{'extra'}->{'block_command_line_contents'} = [ [ { 'cmdname' => 'bullet', 'type' => 'command_as_argument', 'parent' => $current } ] ]; $current->{'extra'}->{'command_as_argument'} = $current->{'extra'}->{'block_command_line_contents'}->[0]->[0]; } elsif ($item_line_commands{$current->{'cmdname'}} and ! $current->{'extra'}->{'command_as_argument'}) { $current->{'extra'}->{'block_command_line_contents'} = [ [ { 'cmdname' => 'asis', 'type' => 'command_as_argument', 'parent' => $current } ] ]; $current->{'extra'}->{'command_as_argument'} = $current->{'extra'}->{'block_command_line_contents'}->[0]->[0]; } push @{$current->{'contents'}}, { 'type' => 'before_item', 'contents' => [], 'parent', $current }; $current = $current->{'contents'}->[-1]; } if ($current->{'cmdname'} and $menu_commands{$current->{'cmdname'}}) { push @{$current->{'contents'}}, {'type' => 'menu_comment', 'parent' => $current, 'contents' => [] }; $current = $current->{'contents'}->[-1]; print STDERR "MENU_COMMENT OPEN\n" if ($self->{'DEBUG'}); push @{$self->{'context_stack'}}, 'preformatted'; } $current = $self->_begin_preformatted($current); # if we are after a @end verbatim, we must restart a preformatted if needed, # since there is no @end command explicitly associated to raw commands # it won't be done elsewhere. } elsif ($current->{'contents'} and $current->{'contents'}->[-1] and $current->{'contents'}->[-1]->{'type'} and $current->{'contents'}->[-1]->{'type'} eq 'empty_line_after_command' and $current->{'contents'}->[-1]->{'extra'} and $current->{'contents'}->[-1]->{'extra'}->{'command'} and $current->{'contents'}->[-1]->{'extra'}->{'command'}->{'cmdname'} eq 'verbatim') { $current = $self->_begin_preformatted($current); # misc command line arguments # Never go here if skipline/noarg/... } elsif ($current->{'type'} and $current->{'type'} eq 'misc_line_arg') { my $context = pop @{$self->{'context_stack'}}; if ($context ne 'line') { $self->_bug_message("context $context instead of line in misc_line_arg", $line_nr, $current); } $self->_isolate_last_space($current); # first parent is the @command, second is the parent $current = $current->{'parent'}; my $misc_cmd = $current; my $command = $current->{'cmdname'}; my $end_command; print STDERR "MISC END \@$command\n" if ($self->{'DEBUG'}); if ($self->{'misc_commands'}->{$command} =~ /^\d$/) { my $args = _parse_line_command_args($self, $current, $line_nr); $current->{'extra'}->{'misc_args'} = $args if (defined($args)); } elsif ($self->{'misc_commands'}->{$command} eq 'text') { my $text = Texinfo::Convert::Text::convert($current->{'args'}->[0], {'code' => 1, Texinfo::Common::_convert_text_options($self)}); if ($text eq '') { $self->_command_warn($current, $line_nr, $self->__("\@%s missing argument"), $command); $current->{'extra'}->{'missing_argument'} = 1; } else { $current->{'extra'}->{'text_arg'} = $text; if ($command eq 'end') { # REMACRO my $line = $text; if ($line =~ s/^([[:alnum:]][[:alnum:]-]+)//) { $end_command = $1; if (!exists $block_commands{$end_command}) { $self->_command_warn($current, $line_nr, $self->__("unknown \@end %s"), $end_command); $end_command = undef; } else { print STDERR "END BLOCK $end_command\n" if ($self->{'DEBUG'}); if ($block_commands{$end_command} eq 'conditional') { if (@{$self->{'conditionals_stack'}} and $self->{'conditionals_stack'}->[-1] eq $end_command) { pop @{$self->{'conditionals_stack'}}; } else { $self->_command_error($current, $line_nr, $self->__("unmatched `%c%s'"), ord('@'), 'end'); $end_command = undef; } } $current->{'extra'}->{'command_argument'} = $end_command if (defined($end_command)); } if ($line =~ /\S/ and defined($end_command)) { my $texi_line = Texinfo::Convert::Texinfo::convert($current->{'args'}->[0]); $texi_line =~ s/^\s*([[:alnum:]][[:alnum:]-]+)//; $self->_command_error($current, $line_nr, $self->__("superfluous argument to \@%s %s: %s"), $command, $end_command, $texi_line); } } else { $self->_command_error($current, $line_nr, $self->__("bad argument to \@%s: %s"), $command, $line); } } elsif ($command eq 'include') { my $file = Texinfo::Common::locate_include_file($self, $text) ; if (defined($file)) { my $filehandle = do { local *FH }; if (open ($filehandle, $file)) { $included_file = 1; binmode($filehandle, ":encoding($self->{'INPUT_PERL_ENCODING'})") if (defined($self->{'INPUT_PERL_ENCODING'})); print STDERR "Included $file($filehandle)\n" if ($self->{'DEBUG'}); unshift @{$self->{'input'}}, { 'name' => $file, 'line_nr' => 0, 'pending' => [], 'fh' => $filehandle }; } else { $self->_command_error($current, $line_nr, $self->__("\@%s: could not open %s: %s"), $command, $text, $!); } } else { $self->_command_error($current, $line_nr, $self->__("\@%s: could not find %s"), $command, $text); } } elsif ($command eq 'documentencoding') { my ($texinfo_encoding, $perl_encoding, $input_encoding) = Texinfo::Encoding::encoding_alias($text); $self->_command_warn($current, $line_nr, $self->__("encoding `%s' is not a canonical texinfo encoding"), $text) if (!$texinfo_encoding or $texinfo_encoding ne lc($text)); if (! _ignore_global_commands($self)) { if ($input_encoding) { $current->{'extra'}->{'input_encoding_name'} = $input_encoding; } if (!$perl_encoding) { $self->_command_warn($current, $line_nr, $self->__("unrecognized encoding name `%s'"), $text); } else { $current->{'extra'}->{'input_perl_encoding'} = $perl_encoding; if ($input_encoding) { if (!$self->{'set'}->{'INPUT_ENCODING_NAME'}) { $self->{'INPUT_ENCODING_NAME'} = $input_encoding; $self->{'info'}->{'input_encoding_name'} = $input_encoding; } } if (!$self->{'set'}->{'INPUT_PERL_ENCODING'}) { $self->{'INPUT_PERL_ENCODING'} = $perl_encoding; $self->{'info'}->{'input_perl_encoding'} = $perl_encoding; foreach my $input (@{$self->{'input'}}) { binmode($input->{'fh'}, ":encoding($perl_encoding)") if ($input->{'fh'}); } } } } } elsif ($command eq 'documentlanguage') { my @messages = Texinfo::Common::warn_unknown_language($text, $self->{'gettext'}); foreach my $message(@messages) { $self->_command_warn($current, $line_nr, $message); } if (!$self->{'set'}->{'documentlanguage'} and !_ignore_global_commands($self)) { $self->{'documentlanguage'} = $text; } } } } elsif ($command eq 'node') { foreach my $arg (@{$current->{'args'}}) { my $node = _parse_node_manual($arg); push @{$current->{'extra'}->{'nodes_manuals'}}, $node; } if (_check_node_label($self, $current->{'extra'}->{'nodes_manuals'}->[0], $command, $line_nr)) { if (_register_label($self, $current, $current->{'extra'}->{'nodes_manuals'}->[0], $line_nr)) { $self->{'current_node'} = $current; push @{$self->{'nodes'}}, $current; } } } elsif ($command eq 'listoffloats') { # Empty listoffloats is allowed _parse_float_type($current); #if (!_parse_float_type($current)) { # $self->line_error (sprintf($self->__("\@%s missing argument"), # $command), $line_nr); #} # handle all the other 'line' commands. Here just check that they # have an argument and prepare contents without spaces. } else { my @contents = @{$current->{'args'}->[0]->{'contents'}}; _trim_spaces_comment_from_content(\@contents); # empty @top is allowed if (!scalar(@contents) and $command ne 'top') { $self->_command_warn($current, $line_nr, $self->__("\@%s missing argument"), $command); $current->{'extra'}->{'missing_argument'} = 1; } else { $current->{'extra'}->{'misc_content'} = \@contents; if (($command eq 'item' or $command eq 'itemx') and $self->{'command_index_prefix'}->{$current->{'parent'}->{'cmdname'}}) { _enter_index_entry($self, $current->{'parent'}->{'cmdname'}, $command, $current, $current->{'extra'}->{'misc_content'}, undef, $line_nr); } elsif ($self->{'command_index_prefix'}->{$current->{'cmdname'}}) { _enter_index_entry($self, $current->{'cmdname'}, $current->{'cmdname'}, $current, $current->{'extra'}->{'misc_content'}, undef, $line_nr); $current->{'type'} = 'index_entry_command'; } } if (defined($command_structuring_level{$command})) { $current->{'level'} = $command_structuring_level{$command}; } } $current = $current->{'parent'}; if ($end_command) { print STDERR "END COMMAND $end_command\n" if ($self->{'DEBUG'}); my $end = pop @{$current->{'contents'}}; if ($block_commands{$end_command} ne 'conditional') { my $closed_command; ($closed_command, $current) = _close_commands($self, $current, $line_nr, $end_command); my $inline_copying; if ($closed_command) { $misc_cmd->{'extra'}->{'command'} = $closed_command; $closed_command->{'extra'}->{'end_command'} = $misc_cmd; $self->_close_command_cleanup($closed_command); $end->{'parent'} = $closed_command; # register @insertcopying as a macro if INLINE_INSERTCOPYING is set. if ($end_command eq 'copying' and $self->{'INLINE_INSERTCOPYING'}) { # remove the end of line following @copying. my @contents = @{$closed_command->{'contents'}}; shift @contents if ($contents[0] and $contents[0]->{'type'} and ($contents[0]->{'type'} eq 'empty_line_after_command' or $contents[0]->{'type'} eq 'empty_spaces_after_command')); # the macrobody is the @copying content converted to Texinfo. my $body = Texinfo::Convert::Texinfo::convert( {'contents' => \@contents}); #chomp ($body); $self->{'macros'}->{'insertcopying'} = { 'args' => [{'text' => 'insertcopying', 'type' => 'macro_name'}], 'cmdname' => 'macro', 'extra' => {'macrobody' => $self->_strip_macrobody_leading_space($body)} }; $inline_copying = 1; print STDERR "INLINE_INSERTCOPYING as macro\n" if ($self->{'DEBUG'}); } push @{$closed_command->{'contents'}}, $end; # closing a menu command, but still in a menu. Open a menu_comment if ($menu_commands{$closed_command->{'cmdname'}} and $self->{'context_stack'}->[-1] eq 'menu') { print STDERR "CLOSE MENU but still in menu context\n" if ($self->{'DEBUG'}); push @{$current->{'contents'}}, {'type' => 'menu_comment', 'parent' => $current, 'contents' => [] }; $current = $current->{'contents'}->[-1]; push @{$self->{'context_stack'}}, 'preformatted'; } } else { #print STDERR "LLLLLLLLLLLL Cannot be here...\n"; } $current = $self->_begin_preformatted($current) if ($close_preformatted_commands{$end_command}); } } else { $current = $self->_begin_preformatted($current) if ($close_preformatted_commands{$command}); } # if a file was included, remove completly the include file command. # Also ignore @setfilename in included file, as said in the manual. if ($included_file or ($command eq 'setfilename' and scalar(@{$self->{'input'}}) > 1)) { # TODO keep the information with sourcemark pop @{$current->{'contents'}}; } elsif ($command eq 'setfilename' and ($self->{'current_node'} or $self->{'current_section'})) { $self->_command_warn($misc_cmd, $line_nr, $self->__("\@%s after the first element"), $command); # columnfractions } elsif ($command eq 'columnfractions') { # in a multitable, we are in a block_line_arg if (!$current->{'parent'} or !$current->{'parent'}->{'cmdname'} or $current->{'parent'}->{'cmdname'} ne 'multitable') { $self->_command_error($current, $line_nr, $self->__("\@%s only meaningful on a \@multitable line"), $command); } else { # This is the multitable block_line_arg line context my $context = pop @{$self->{'context_stack'}}; if ($context ne 'line') { $self->_bug_message("context $context instead of line for multitable", $line_nr, $current); } $current = $current->{'parent'}; $current->{'extra'}->{'max_columns'} = 0; if (defined($misc_cmd->{'extra'}->{'misc_args'})) { $current->{'extra'}->{'max_columns'} = scalar(@{$misc_cmd->{'extra'}->{'misc_args'}}); $current->{'extra'}->{'columnfractions'} = $misc_cmd->{'extra'}->{'misc_args'}; } push @{$current->{'contents'}}, { 'type' => 'before_item', 'contents' => [], 'parent', $current }; $current = $current->{'contents'}->[-1]; } } elsif ($root_commands{$command}) { $current = $current->{'contents'}->[-1]; delete $current->{'remaining_args'}; $current->{'contents'} = []; # we never should be in a raw format bock, so we don't check for # _ignore_global_commands($self) # associate the section (not part) with the current node. if ($command ne 'node' and $command ne 'part') { if ($self->{'current_node'} and !$self->{'current_node'}->{'extra'}->{'associated_section'}) { $self->{'current_node'}->{'extra'}->{'associated_section'} = $current; $current->{'extra'}->{'associated_node'} = $self->{'current_node'}; } if ($self->{'current_parts'}) { $current->{'extra'}->{'associated_part'} = $self->{'current_parts'}->[-1]; foreach my $part (@{$self->{'current_parts'}}) { $part->{'extra'}->{'part_associated_section'} = $current; if ($current->{'cmdname'} eq 'top') { $self->line_warn(sprintf($self->__( "\@%s should not be associated with \@top"), $part->{'cmdname'}), $part->{'line_nr'}); } } delete $self->{'current_parts'}; } $self->{'current_section'} = $current; } elsif ($command eq 'part') { push @{$self->{'current_parts'}}, $current; if ($self->{'current_node'} and !$self->{'current_node'}->{'extra'}->{'associated_section'}) { $self->line_warn (sprintf($self->__( "\@node precedes \@%s, but parts may not be associated with nodes"), $command), $line_nr); } } } # do that last in order to have the line processed if one of the above # case is also set. } elsif ( $current->{'contents'} and (scalar(@{$current->{'contents'}}) == 1 and (($current->{'contents'}->[-1]->{'type'} and $current->{'contents'}->[-1]->{'type'} eq 'empty_line_after_command')) or (scalar(@{$current->{'contents'}}) == 2 and $current->{'contents'}->[-1]->{'cmdname'} and ($current->{'contents'}->[-1]->{'cmdname'} eq 'c' or $current->{'contents'}->[-1]->{'cmdname'} eq 'comment') and $current->{'contents'}->[-2] and $current->{'contents'}->[-2]->{'type'} and $current->{'contents'}->[-2]->{'type'} eq 'empty_line_after_command'))) { # empty line after a @menu or before a preformatted. Reparent to the menu # or other format if ($current->{'type'} and $preformatted_contexts{$current->{'type'}}) { my $parent = $current->{'parent'}; if ($parent->{'type'} and $parent->{'type'} eq 'menu_comment' and scalar(@{$parent->{'contents'}}) == 1) { $parent = $parent->{'parent'}; } my $to_reparent = pop @{$parent->{'contents'}}; print STDERR "LINE AFTER COMMAND IN PREFORMATTED ($to_reparent->{'type'})\n" if ($self->{'DEBUG'}); while (@{$current->{'contents'}}) { my $content = shift @{$current->{'contents'}}; $content->{'parent'} = $parent; push @{$parent->{'contents'}}, $content; } push @{$parent->{'contents'}}, $to_reparent; } } # this happens if there is a nesting of line @-commands on a line. # they are reprocessed here. if ($self->{'context_stack'}->[-1] eq 'line' or $self->{'context_stack'}->[-1] eq 'def') { print STDERR "Still opened line command $self->{'context_stack'}->[-1]:"._print_current($current) if ($self->{'DEBUG'}); if ($self->{'context_stack'}->[-1] eq 'def') { while ($current->{'parent'} and !($current->{'parent'}->{'type'} and $current->{'parent'}->{'type'} eq 'def_line')) { $current = $self->_close_current($current, $line_nr); } } else { while ($current->{'parent'} and !($current->{'type'} and ($current->{'type'} eq 'block_line_arg' or $current->{'type'} eq 'misc_line_arg'))) { $current = $self->_close_current($current, $line_nr); } } # check for infinite loop bugs... if ($current eq $current_old) { my $indent = '- '; my $tree_msg = $indent . _print_current($current); while ($current->{'parent'}) { $indent = '-'.$indent; $current = $current->{'parent'}; $tree_msg .= $indent . _print_current($current); } $self->_bug_message("Nothing closed while a line context remains\n$tree_msg", $line_nr); die; } $current = $self->_end_line($current, $line_nr); } return $current; } # $command may be undef if we are after a wrong misc command such as # a buggy @tab. sub _start_empty_line_after_command($$$) { my $line = shift; my $current = shift; my $command = shift; $line =~ s/^([^\S\r\n]*)//; push @{$current->{'contents'}}, { 'type' => 'empty_line_after_command', 'text' => $1, 'parent' => $current, }; if (defined($command)) { $current->{'contents'}->[-1]->{'extra'} = {'command' => $command}; $command->{'extra'}->{'spaces_after_command'} = $current->{'contents'}->[-1]; } return $line; } sub _check_empty_node($$$$) { my $self = shift; my $parsed_node = shift; my $command = shift; my $line_nr = shift; if (!defined($parsed_node) or !$parsed_node->{'node_content'}) { $self->line_error (sprintf($self->__("empty argument in \@%s"), $command), $line_nr); return 0; } elsif ($parsed_node->{'normalized'} !~ /[^-]/) { $self->line_error (sprintf($self->__("empty node name after expansion `%s'"), Texinfo::Convert::Texinfo::convert({'contents' => $parsed_node->{'node_content'}})), $line_nr); return 0; } else { return 1; } } sub _check_internal_node($$$) { my $self = shift; my $parsed_node = shift; my $line_nr = shift; if ($parsed_node and $parsed_node->{'manual_content'}) { $self->line_error (sprintf($self->__("syntax for an external node used for `%s'"), _node_extra_to_texi($parsed_node)), $line_nr) } } sub _check_node_label($$$$) { my $self = shift; my $parsed_node = shift; my $command = shift; my $line_nr = shift; _check_internal_node($self, $parsed_node, $line_nr); return _check_empty_node($self, $parsed_node, $command, $line_nr); } sub _register_extra_menu_entry_information($$;$) { my $self = shift; my $current = shift; my $line_nr = shift; foreach my $arg (@{$current->{'args'}}) { if ($arg->{'type'} eq 'menu_entry_name') { $current->{'extra'}->{'menu_entry_name'} = $arg; my $normalized_menu_entry_name = Texinfo::Convert::NodeNameNormalization::normalize_node($arg); if ($normalized_menu_entry_name !~ /[^-]/) { $self->line_warn(sprintf($self->__("empty menu entry name in `%s'"), Texinfo::Convert::Texinfo::convert($current)), $line_nr); } } elsif ($arg->{'type'} eq 'menu_entry_node') { $self->_isolate_last_space($arg, 'space_at_end_menu_node'); my $parsed_entry_node = _parse_node_manual($arg); if (! defined($parsed_entry_node)) { if ($self->{'SHOW_MENU'}) { $self->line_error ($self->__("empty node name in menu entry"), $line_nr); } } else { $current->{'extra'}->{'menu_entry_node'} = $parsed_entry_node; } } elsif ($arg->{'type'} eq 'menu_entry_description') { $current->{'extra'}->{'menu_entry_description'} = $arg; } } } sub _enter_menu_entry_node($$$) { my $self = shift; my $current = shift; my $line_nr = shift; my $description = { 'type' => 'menu_entry_description', 'contents' => [], 'parent' => $current }; push @{$current->{'args'}}, $description; _register_extra_menu_entry_information($self, $current, $line_nr); $current->{'line_nr'} = $line_nr; $current = $description; push @{$current->{'contents'}}, {'type' => 'preformatted', 'parent' => $current, 'contents' => [] }; $current = $current->{'contents'}->[-1]; push @{$self->{'context_stack'}}, 'preformatted'; return $current; } sub _register_command_arg($$$) { my $self = shift; my $current = shift; my $type = shift; my @contents = @{$current->{'contents'}}; _trim_spaces_comment_from_content(\@contents); if (scalar(@contents)) { push @{$current->{'parent'}->{'extra'}->{$type}}, \@contents; } else { push @{$current->{'parent'}->{'extra'}->{$type}}, undef; } } sub _command_with_command_as_argument($) { my $current = shift; return ($current and $current->{'type'} and $current->{'type'} eq 'block_line_arg' and $current->{'parent'} and $current->{'parent'}->{'cmdname'} and ($current->{'parent'}->{'cmdname'} eq 'itemize' or $item_line_commands{$current->{'parent'}->{'cmdname'}}) and (scalar(@{$current->{'contents'}}) == 1 or (scalar(@{$current->{'contents'}}) == 2 and defined($current->{'contents'}->[0]->{'text'}) and $current->{'contents'}->[0]->{'text'} =~ /^[^\S\r\n]*/))) } # $marked_as_invalid_command may be undef, if there is no # tree element because the @-command construct is incorrect, for example # wrong @tab. sub _mark_and_warn_invalid($$$$$) { my $self = shift; my $command = shift; my $invalid_parent = shift; my $line_nr = shift; my $marked_as_invalid_command = shift; if (defined($invalid_parent)) { $self->line_warn(sprintf($self->__("\@%s should not appear in \@%s"), $command, $invalid_parent), $line_nr); $marked_as_invalid_command->{'extra'}->{'invalid_nesting'} = 1 if (defined($marked_as_invalid_command)); } } # the different types #c 'menu_entry' #c 'menu_entry' # t 'menu_entry_leading_text' # #t 'macro_arg_name' #t 'macro_arg_args' # #t 'raw' # #t 'misc_arg' #c 'misc_line_arg' # #c 'block_line_arg' # #c 'brace_command_arg' #c 'brace_command_context' # #c 'before_item' what comes after @*table, @itemize, @enumerate before # an @item # #c 'paragraph' # #a 'def_line' # #special for @verb, type is the character # the main subroutine sub _parse_texi($;$) { my $self = shift; my $root = shift; $root = { 'contents' => [], 'type' => 'text_root' } if (!defined($root)); my $current = $root; my $line_nr; NEXT_LINE: while (1) { my $line; ($line, $line_nr) = _next_text($self, $line_nr, $current); last if (!defined($line)); if ($self->{'DEBUG'}) { $current->{'HERE !!!!'} = 1; # marks where we are in the tree if ($self->{'DEBUG'} >= 100) { local $Data::Dumper::Indent = 1; local $Data::Dumper::Purity = 1; print STDERR "".Data::Dumper->Dump([$root], ['$root']); } my $line_text = ''; $line_text = "$line_nr->{'line_nr'}.$line_nr->{'macro'}" if ($line_nr); print STDERR "NEW LINE(".join('|', @{$self->{'context_stack'}}).":@{$self->{'conditionals_stack'}}:$line_text): $line"; #print STDERR "CONTEXT_STACK ".join('|',@{$self->{'context_stack'}})."\n"; delete $current->{'HERE !!!!'}; } if (not # raw format or verb (($current->{'cmdname'} and $block_commands{$current->{'cmdname'}} and ($block_commands{$current->{'cmdname'}} eq 'raw' or $block_commands{$current->{'cmdname'}} eq 'conditional')) or ($current->{'parent'} and $current->{'parent'}->{'cmdname'} and $current->{'parent'}->{'cmdname'} eq 'verb') ) # not def line and $self->{'context_stack'}->[-1] ne 'def') { print STDERR "BEGIN LINE\n" if ($self->{'DEBUG'}); $line =~ s/^([^\S\r\n]*)//; push @{$current->{'contents'}}, { 'type' => 'empty_line', 'text' => $1, 'parent' => $current }; } while (1) { # in a raw or ignored conditional block command if ($current->{'cmdname'} and $block_commands{$current->{'cmdname'}} and ($block_commands{$current->{'cmdname'}} eq 'raw' or $block_commands{$current->{'cmdname'}} eq 'conditional')) { # r?macro may be nested if (($current->{'cmdname'} eq 'macro' or $current->{'cmdname'} eq 'rmacro') and $line =~ /^\s*\@r?macro\s+/) { $line =~ s/\s*\@(r?macro)//; push @{$current->{'contents'}}, { 'cmdname' => $1, 'parent' => $current, 'contents' => [], 'extra' => {'arg_line' => $line }}; $current = $current->{'contents'}->[-1]; last; # ifclear/ifset may be nested } elsif (($current->{'cmdname'} eq 'ifclear' or $current->{'cmdname'} eq 'ifset' or $current->{'cmdname'} eq 'ifcommanddefined' or $current->{'cmdname'} eq 'ifcommandnotdefined') and $line =~ /^\s*\@$current->{'cmdname'}/) { $line =~ s/\s*\@($current->{'cmdname'})//; push @{$current->{'contents'}}, { 'cmdname' => $1, 'parent' => $current, 'contents' => [], 'extra' => {'line' => $line }}; $current = $current->{'contents'}->[-1]; last; } elsif ($line =~ /^(\s*?)\@end\s+([a-zA-Z][\w-]*)/ and ($2 eq $current->{'cmdname'})) { my $end_command = $2; my $raw_command = $current; $line =~ s/^(\s*?)(\@end\s+$current->{'cmdname'})//; if ($1 eq '') { # FIXME exclude other formats, like @macro, @ifset, @ignore? if ($current->{'cmdname'} ne 'verbatim' and @{$current->{'contents'}} and $current->{'contents'}->[-1]->{'type'} and $current->{'contents'}->[-1]->{'type'} eq 'raw') { if ($current->{'contents'}->[-1]->{'text'} =~ s/(\n)//) { push @{$current->{'contents'}}, {'type' => 'last_raw_newline', 'text' => $1, 'parent' => $current}; } } } else { push @{$current->{'contents'}}, { 'text' => $1, 'type' => 'raw', 'parent' => $current }; $self->line_warn(sprintf($self->__("\@end %s should only appear at a line beginning"), $end_command), $line_nr); } # if there is a user defined macro that expandes to spaces, there # will be a spurious warning. $self->line_warn(sprintf($self-> __("superfluous argument to \@%s %s: %s"), 'end', $end_command, $line), $line_nr) if ($line =~ /\S/ and $line !~ /^\s*\@c(omment)?\b/); # store toplevel macro specification if (($end_command eq 'macro' or $end_command eq 'rmacro') and (! $current->{'parent'} or !$current->{'parent'}->{'cmdname'} or ($current->{'parent'}->{'cmdname'} ne 'macro' and $current->{'parent'}->{'cmdname'} ne 'rmacro'))) { $current->{'extra'}->{'macrobody'} = $self->_strip_macrobody_leading_space( Texinfo::Convert::Texinfo::convert({ 'contents' => $current->{'contents'} })); if ($current->{'args'} and $current->{'args'}->[0] and !_ignore_global_commands($self)) { my $name = $current->{'args'}->[0]->{'text'}; if (exists($self->{'macros'}->{$name})) { $self->line_warn(sprintf($self->__("macro `%s' previously defined"), $name), $current->{'line_nr'}); $self->line_warn(sprintf($self->__( "here is the previous definition of `%s'"), $name), $self->{'macros'}->{$name}->{'line_nr'}); } if ($all_commands{$name}) { $self->line_warn(sprintf($self->__( "redefining Texinfo language command: \@%s"), $name), $current->{'line_nr'}); } $self->{'macros'}->{$name} = $current unless ($current->{'extra'}->{'invalid_syntax'}); } } $current = $current->{'parent'}; if ($block_commands{$end_command} eq 'conditional') { # don't store ignored @if* my $conditional = pop @{$current->{'contents'}}; if (!defined($conditional->{'cmdname'} or $conditional->{'cmdname'} ne $end_command)) { $self->_bug_message("Ignored command is not the conditional $end_command", $line_nr, $conditional); die; } # Ignore until end of line if ($line !~ /\n/) { ($line, $line_nr) = _new_line($self, $line_nr, $conditional); print STDERR "IGNORE CLOSE line: $line" if ($self->{'DEBUG'}); } print STDERR "CLOSED conditional $end_command\n" if ($self->{'DEBUG'}); last; } else { print STDERR "CLOSED raw $end_command\n" if ($self->{'DEBUG'}); $line = _start_empty_line_after_command($line, $current, $raw_command); } } else { if (@{$current->{'contents'}} and $current->{'contents'}->[-1]->{'type'} and $current->{'contents'}->[-1]->{'type'} eq 'empty_line_after_command' and $current->{'contents'}->[-1]->{'text'} !~ /\n/ and $line !~ /\S/) { $current->{'contents'}->[-1]->{'text'} .= $line; } else { push @{$current->{'contents'}}, { 'text' => $line, 'type' => 'raw', 'parent' => $current }; } last; } # in @verb. type should be 'brace_command_arg' } elsif ($current->{'parent'} and $current->{'parent'}->{'cmdname'} and $current->{'parent'}->{'cmdname'} eq 'verb') { # collect the first character if not already done if (!defined($current->{'parent'}->{'type'})) { if ($line =~ /^$/) { $current->{'parent'}->{'type'} = ''; $self->line_error(sprintf($self-> __("\@%s without associated character"), 'verb'), $line_nr); } else { $line =~ s/^(.)//; $current->{'parent'}->{'type'} = $1; } } my $char = quotemeta($current->{'parent'}->{'type'}); if ($line =~ s/^(.*?)$char\}/\}/) { push @{$current->{'contents'}}, { 'text' => $1, 'type' => 'raw', 'parent' => $current } if ($1 ne ''); print STDERR "END VERB\n" if ($self->{'DEBUG'}); } else { push @{$current->{'contents'}}, { 'text' => $line, 'type' => 'raw', 'parent' => $current }; print STDERR "LINE VERB: $line" if ($self->{'DEBUG'}); last; } } # this mostly happens in the following cases: # after expansion of user defined macro that doesn't end with EOL # after a protection of @\n in @def* line # at the end of an expanded Texinfo fragment while ($line eq '') { print STDERR "EMPTY TEXT\n" if ($self->{'DEBUG'}); ($line, $line_nr) = _next_text($self, $line_nr, $current); if (!defined($line)) { # end of the file or of a text fragment. $current = _end_line ($self, $current, $line_nr); # It may happen that there is an @include file on the line, it # will be picked up at NEXT_LINE, beginning a new line next NEXT_LINE; } } # handle user defined macros before anything else since # their expansion may lead to changes in the line # REMACRO if ($line =~ /^\@([[:alnum:]][[:alnum:]-]*)/ and ($self->{'macros'}->{$1} or (exists $self->{'aliases'}->{$1} and $self->{'macros'}->{$self->{'aliases'}->{$1}}))) { $line =~ s/^\@([[:alnum:]][[:alnum:]-]*)//o; my $command = $1; my $alias_command; if (exists($self->{'aliases'}->{$command})) { $alias_command = $command; $command = $self->{'aliases'}->{$command}; } my $expanded_macro = $self->{'macros'}->{$command}; my $args_number = scalar(@{$expanded_macro->{'args'}}) -1; my $arguments = []; if ($line =~ s/^\s*{[^\S\f]*//) { # macro with args ($arguments, $line, $line_nr) = _expand_macro_arguments($self, $expanded_macro, $line, $line_nr); } elsif (($args_number >= 2) or ($args_number <1)) { # as agreed on the bug-texinfo mailing list, no warn when zero # arg and not called with {}. $self->line_warn(sprintf($self->__( "\@%s defined with zero or more than one argument should be invoked with {}"), $command), $line_nr) if ($args_number >= 2); } else { if ($line !~ /\n/) { ($line, $line_nr) = _new_line($self, $line_nr, $expanded_macro); $line = '' if (!defined($line)); } $line =~ s/^[^\S\f]*// if ($line =~ /[\S\f]/); my $has_end_of_line = chomp $line; $arguments = [$line]; $line = "\n" if ($has_end_of_line); } my $expanded = _expand_macro_body ($self, $expanded_macro, $arguments, $line_nr); print STDERR "MACROBODY: $expanded".'||||||'."\n" if ($self->{'DEBUG'}); # empty result. It is ignored here. if ($expanded eq '') { next; } if ($self->{'MAX_MACRO_CALL_NESTING'} and scalar(@{$self->{'macro_stack'}}) > $self->{'MAX_MACRO_CALL_NESTING'}) { $self->line_warn(sprintf($self->__( "macro call nested too deeply (set MAX_NESTED_MACROS to override; current value %d)"), $self->{'MAX_MACRO_CALL_NESTING'}), $line_nr); next; } if ($expanded_macro->{'cmdname'} eq 'macro') { my $found = 0; foreach my $macro (@{$self->{'macro_stack'}}) { if ($macro->{'args'}->[0]->{'text'} eq $command) { $self->line_error(sprintf($self->__( "recursive call of macro %s is not allowed; use \@rmacro if needed"), $command), $line_nr); $found = 1; last; } } next if ($found); } unshift @{$self->{'macro_stack'}}, $expanded_macro; print STDERR "UNSHIFT MACRO_STACK: $expanded_macro->{'args'}->[0]->{'text'}\n" if ($self->{'DEBUG'}); my $expanded_lines = _text_to_lines($expanded); chomp ($expanded_lines->[-1]); pop @$expanded_lines if ($expanded_lines->[-1] eq ''); print STDERR "MACRO EXPANSION LINES: ".join('|', @$expanded_lines) ."|\nEND LINES MACRO EXPANSION\n" if ($self->{'DEBUG'}); next if (!@$expanded_lines); my $new_lines = _complete_line_nr($expanded_lines, $line_nr->{'line_nr'}, $line_nr->{'file_name'}, $expanded_macro->{'args'}->[0]->{'text'}, 1); $line_nr->{'end_macro'} = 1; unshift @{$self->{'input'}->[0]->{'pending'}}, [$line, $line_nr]; my $new_text = shift @$new_lines; ($line, $line_nr) = ($new_text->[0], $new_text->[1]); unshift @{$self->{'input'}->[0]->{'pending'}}, @$new_lines; # Now handle all the cases that may lead to command closing # or following character association with an @-command, especially # accent command, that is handle @-command with braces that don't # always need a brace. # The condition below is only caught right after command opening, # otherwise we are in the 'args' and not right in the command container. } elsif ($current->{'cmdname'} and (defined($brace_commands{$current->{'cmdname'}}) or $self->{'definfoenclose'}->{$current->{'cmdname'}}) and $line !~ /^{/) { # special case for @-command as argument of @itemize or @*table. if (_command_with_command_as_argument($current->{'parent'})) { delete $current->{'contents'}; print STDERR "FOR PARENT \@$current->{'parent'}->{'parent'}->{'cmdname'} command_as_argument $current->{'cmdname'}\n" if ($self->{'DEBUG'}); $current->{'type'} = 'command_as_argument' if (!$current->{'type'}); $current->{'parent'}->{'parent'}->{'extra'}->{'command_as_argument'} = $current; $current = $current->{'parent'}; # now accent commands } elsif ($accent_commands{$current->{'cmdname'}}) { if ($line =~ /^[^\S\r\n]/) { if ($current->{'cmdname'} =~ /^[a-zA-Z]/) { $line =~ s/^([^\S\r\n]+)//; $current->{'extra'}->{'spaces'} = '' if (!defined($current->{'extra'}->{'spaces'})); $current->{'extra'}->{'spaces'} .= $1; } else { $self->line_warn(sprintf($self-> __("accent command `\@%s' must not be followed by whitespace"), $current->{'cmdname'}), $line_nr); $current = $current->{'parent'}; } } elsif ($line =~ /^\@/) { $self->line_error(sprintf($self-> __("use braces to give a command as an argument to \@%s"), $current->{'cmdname'}), $line_nr); $current = $current->{'parent'}; } elsif ($line =~ s/^(.)//o) { print STDERR "ACCENT \@$current->{'cmdname'}\n" if ($self->{'DEBUG'}); my $following_arg = {'type' => 'following_arg', 'parent' => $current}; $following_arg->{'contents'} = [{ 'text' => $1, 'parent' => $following_arg } ]; $current->{'args'} = [ $following_arg ]; if ($current->{'cmdname'} eq 'dotless' and $1 ne 'i' and $1 ne 'j') { $self->line_error(sprintf($self-> __("%c%s expects `i' or `j' as argument, not `%s'"), ord('@'), $current->{'cmdname'}, $1), $line_nr); } if ($current->{'cmdname'} =~ /^[a-zA-Z]/) { $current->{'args'}->[-1]->{'type'} = 'space_command_arg'; } delete $current->{'contents'}; $current = $current->{'parent'}; } else { # The accent is at end of line # whitespace for commands with letter. print STDERR "STRANGE ACC \@$current->{'cmdname'}\n" if ($self->{'DEBUG'}); $self->line_warn(sprintf($self-> __("accent command `\@%s' must not be followed by new line"), $current->{'cmdname'}), $line_nr); $current = $current->{'parent'}; } next; } else { # ignore space after a braced @-command like TeX does if ($self->{'IGNORE_SPACE_AFTER_BRACED_COMMAND_NAME'} and $line =~ s/^\s+//) { next; } $self->line_error(sprintf($self->__("\@%s expected braces"), $current->{'cmdname'}), $line_nr); $current = $current->{'parent'}; } # maybe a menu entry beginning: a * at the beginning of a menu line } elsif ($line =~ /^\*/ and $current->{'type'} and $current->{'type'} eq 'preformatted' and $current->{'parent'}->{'type'} and ($current->{'parent'}->{'type'} eq 'menu_comment' or $current->{'parent'}->{'type'} eq 'menu_entry_description') and @{$current->{'contents'}} and $current->{'contents'}->[-1]->{'type'} and $current->{'contents'}->[-1]->{'type'} eq 'empty_line' and $current->{'contents'}->[-1]->{'text'} eq '') { print STDERR "MENU STAR\n" if ($self->{'DEBUG'}); _abort_empty_line($self, $current); $line =~ s/^\*//; push @{$current->{'contents'}}, { 'type' => 'menu_star', 'text' => '*' }; # a space after a * at the beginning of a menu line } elsif ($line =~ /^\s+/ and $current->{'contents'} and @{$current->{'contents'}} and $current->{'contents'}->[-1]->{'type'} and $current->{'contents'}->[-1]->{'type'} eq 'menu_star') { print STDERR "MENU ENTRY (certainly)\n" if ($self->{'DEBUG'}); # this is the menu star collected previously pop @{$current->{'contents'}}; $line =~ s/^(\s+)//; my $leading_text = '*' . $1; if ($current->{'type'} eq 'preformatted' and $current->{'parent'}->{'type'} and $current->{'parent'}->{'type'} eq 'menu_comment') { my $menu = $current->{'parent'}->{'parent'}; if (!@{$current->{'contents'}}) { pop @{$current->{'parent'}->{'contents'}}; if (!scalar(@{$current->{'parent'}->{'contents'}})) { pop @{$menu->{'contents'}}; } } $current = $menu; #print STDERR "Close MENU_COMMENT because new menu entry\n"; } else { # first parent preformatted, third is menu_entry if ($current->{'type'} ne 'preformatted' or $current->{'parent'}->{'type'} ne 'menu_entry_description' or $current->{'parent'}->{'parent'}->{'type'} ne 'menu_entry' or !$menu_commands{$current->{'parent'}->{'parent'}->{'parent'}->{'cmdname'}}) { $self->_bug_message("Not in menu comment nor description", $line_nr, $current); } $current = $current->{'parent'}->{'parent'}->{'parent'}; } my $context = pop @{$self->{'context_stack'}}; if ($context ne 'preformatted') { $self->_bug_message("context $context instead of preformatted after menu leading star", $line_nr, $current); } push @{$current->{'contents'}}, { 'type' => 'menu_entry', 'parent' => $current, }; $current = $current->{'contents'}->[-1]; $current->{'args'} = [ { 'type' => 'menu_entry_leading_text', 'text' => $leading_text, 'parent' => $current }, { 'type' => 'menu_entry_name', 'contents' => [], 'parent' => $current } ]; $current = $current->{'args'}->[-1]; # * followed by something else than a space. } elsif ($current->{'contents'} and @{$current->{'contents'}} and $current->{'contents'}->[-1]->{'type'} and $current->{'contents'}->[-1]->{'type'} eq 'menu_star') { print STDERR "ABORT MENU STAR ($line)\n" if ($self->{'DEBUG'}); delete $current->{'contents'}->[-1]->{'type'}; # after a separator in menu } elsif ($current->{'args'} and @{$current->{'args'}} and $current->{'args'}->[-1]->{'type'} and $current->{'args'}->[-1]->{'type'} eq 'menu_entry_separator') { my $separator = $current->{'args'}->[-1]->{'text'}; # separator is ::, we concatenate and let the while restart # in order to collect spaces below if ($separator eq ':' and $line =~ s/^(:)//) { $current->{'args'}->[-1]->{'text'} .= $1; # a . not followed by a space. Not a separator. } elsif ($separator eq '.' and $line =~ /^\S/) { pop @{$current->{'args'}}; $current = $current->{'args'}->[-1]; $current = _merge_text($self, $current, $separator); # here we collect spaces following separators. } elsif ($line =~ s/^([^\S\r\n]+)//) { # FIXME a trailing end of line could be considered to be part # of the separator. Right now it is part of the description, # since it is catched (in the next while) as one of the case below $current->{'args'}->[-1]->{'text'} .= $1; # now handle the menu part that was closed } elsif ($separator =~ /^::/) { print STDERR "MENU NODE no entry $separator\n" if ($self->{'DEBUG'}); # it was previously registered as menu_entry_name, it is # changed to node $current->{'args'}->[-2]->{'type'} = 'menu_entry_node'; $current = _enter_menu_entry_node($self, $current, $line_nr); # end of the menu entry name } elsif ($separator =~ /^:/) { print STDERR "MENU ENTRY $separator\n" if ($self->{'DEBUG'}); push @{$current->{'args'}}, { 'type' => 'menu_entry_node', 'contents' => [], 'parent' => $current }; $current = $current->{'args'}->[-1]; # anything else is the end of the menu node following a menu_entry_name } else { print STDERR "MENU NODE $separator\n" if ($self->{'DEBUG'}); $current = _enter_menu_entry_node($self, $current, $line_nr); } # REMACRO } elsif ($line =~ s/^\@(["'~\@\}\{,\.!\?\s\*\-\^`=:\|\/\\])//o or $line =~ s/^\@([[:alnum:]][[:alnum:]-]*)//o) { my $command = $1; my $alias_command; if (exists($self->{'aliases'}->{$command})) { $alias_command = $command; $command = $self->{'aliases'}->{$command}; } print STDERR "COMMAND $command\n" if ($self->{'DEBUG'}); if ($command eq 'value') { $line =~ s/^\s*// if ($self->{'IGNORE_SPACE_AFTER_BRACED_COMMAND_NAME'}); # REVALUE if ($line =~ s/^{([\w\-][^\s{\\}~`\^+"<>|@]*)}//) { my $value = $1; if (exists($self->{'values'}->{$value})) { if (!defined($self->{'values'}->{$value})) { print STDERR "BUG? $value exists but not defined\n"; } elsif (!ref($self->{'values'}->{$value})) { $line = $self->{'values'}->{$value} . $line; # the push @{$current->{'contents'}}, {}; prevents a trailing # text to be merged, to avoid having the value tree modified. } elsif (ref($self->{'values'}->{$value}) eq 'ARRAY') { # we don't know for sure, but if we don't do it here it # won't be done _abort_empty_line($self, $current); foreach my $content (@{$self->{'values'}->{$value}}) { push @{$current->{'contents'}}, $content; } push @{$current->{'contents'}}, {}; } elsif (ref($self->{'values'}->{$value}) eq 'HASH') { # we don't know for sure, but if we don't do it here it # won't be done _abort_empty_line($self, $current); my $content = $self->{'values'}->{$value}; push @{$current->{'contents'}}, $content; push @{$current->{'contents'}}, {}; } } else { # caller should expand something along # gdt('@{No value for `{value}\'@}', {'value' => $value}, {'keep_texi'=> 1}); push @{$current->{'contents'}}, { 'cmdname' => 'value', 'type' => $value }; $self->line_warn( sprintf($self->__("undefined flag: %s"), $value), $line_nr); } } else { $self->line_error($self->__("bad syntax for \@value"), $line_nr); } next; } if (defined($deprecated_commands{$command})) { if ($deprecated_commands{$command} eq '') { $self->line_warn(sprintf($self->__("%c%s is obsolete."), ord('@'), $command), $line_nr); } else { $self->line_warn(sprintf($self->__("%c%s is obsolete; %s"), ord('@'), $command, $self->__($deprecated_commands{$command})), $line_nr); } } if (not _abort_empty_line($self, $current) and $begin_line_commands{$command}) { $self->line_warn( sprintf($self->__("\@%s should only appear at a line beginning"), $command), $line_nr); } my $invalid_parent; # error messages for forbidden constructs, like @node in @r, # block command on line command, @xref in @anchor or node... if ($current->{'parent'}) { if ($current->{'parent'}->{'cmdname'}) { if (defined($self->{'valid_nestings'}->{$current->{'parent'}->{'cmdname'}}) and !$self->{'valid_nestings'}->{$current->{'parent'}->{'cmdname'}}->{$command} # we make sure that we are on a root @-command line and # not in contents and (!$root_commands{$current->{'parent'}->{'cmdname'}} or ($current->{'type'} and $current->{'type'} eq 'misc_line_arg')) # we make sure that we are on a block @-command line and # not in contents and (!($block_commands{$current->{'parent'}->{'cmdname'}}) or ($current->{'type'} and $current->{'type'} eq 'block_line_arg')) # we make sure that we are on an @item/@itemx line and # not in an @enumerate, @multitable or @itemize @item. and (($current->{'parent'}->{'cmdname'} ne 'itemx' and $current->{'parent'}->{'cmdname'} ne 'item') or ($current->{'type'} and $current->{'type'} eq 'misc_line_arg'))) { $invalid_parent = $current->{'parent'}->{'cmdname'}; } } elsif ($self->{'context_stack'}->[-1] eq 'def' # FIXME instead of hardcoding in_full_line_commands_no_refs # it would be better to use the parent command valid_nesting. and !$in_full_line_commands_no_refs{$command}) { my $def_block = $current; while ($def_block->{'parent'} and (!$def_block->{'parent'}->{'type'} or $def_block->{'parent'}->{'type'} ne 'def_line')) { $def_block = $def_block->{'parent'}; } $invalid_parent = $def_block->{'parent'}->{'parent'}->{'cmdname'}; } } # special case with @ followed by a newline protecting end of lines # in @def* last if ($self->{'context_stack'}->[-1] eq 'def' and $command eq "\n"); unless ($self->{'no_paragraph_commands'}->{$command}) { my $paragraph = _begin_paragraph($self, $current, $line_nr); $current = $paragraph if ($paragraph); } if ($self->{'close_paragraph_commands'}->{$command}) { $current = _end_paragraph($self, $current, $line_nr); } if ($self->{'close_preformatted_commands'}->{$command}) { $current = _end_preformatted($self, $current, $line_nr); } # commands without braces and not block commands, ie no @end if (defined($self->{'misc_commands'}->{$command})) { if ($root_commands{$command} or $command eq 'bye') { $current = _close_commands($self, $current, $line_nr, undef, $command); # root_level commands leads to setting a new root # for the whole document and stuffing the preceding text # as the first content, this is done only once. if ($current->{'type'} and $current->{'type'} eq 'text_root') { if ($command ne 'bye') { $root = { 'type' => 'document_root', 'contents' => [$current] }; $current->{'parent'} = $root; $current = $root; } } else { die if (!defined($current->{'parent'})); $current = $current->{'parent'}; } } # noarg skipline skipspace text line lineraw /^\d$/ my $arg_spec = $self->{'misc_commands'}->{$command}; my $misc; if ($arg_spec eq 'noarg') { my $ignored = 0; my $only_in_headings = 0; if ($command eq 'insertcopying') { my $parent = $current; while ($parent) { if ($parent->{'cmdname'} and $parent->{'cmdname'} eq 'copying') { $self->line_error( sprintf($self->__("\@%s not allowed inside `\@%s' block"), $command, $parent->{'cmdname'}), $line_nr); $ignored = 1; last; } $parent = $parent->{'parent'}; } } elsif ($in_heading_commands{$command}) { $self->line_error( sprintf($self->__("\@%s should only appear in heading or footing"), $command), $line_nr); $only_in_headings = 1; } if (!$ignored) { $misc = {'cmdname' => $command, 'parent' => $current}; push @{$current->{'contents'}}, $misc; # also sets invalid_nesting in that case $misc->{'extra'}->{'invalid_nesting'} = 1 if ($only_in_headings); $self->_register_global_command($command, $misc, $line_nr); } $self->_mark_and_warn_invalid($command, $invalid_parent, $line_nr, $misc); $current = $self->_begin_preformatted($current) if ($close_preformatted_commands{$command}); # all the cases using the raw line } elsif ($arg_spec eq 'skipline' or $arg_spec eq 'lineraw' or $arg_spec eq 'special') { # complete the line if there was a user macro expansion if ($line !~ /\n/) { my ($new_line, $new_line_nr) = _new_line($self, $line_nr, undef); $line .= $new_line if (defined($new_line)); } $misc = {'cmdname' => $command, 'parent' => $current}; my $args = []; my $has_comment; if ($arg_spec eq 'lineraw' or $arg_spec eq 'skipline') { $args = [ $line ]; } elsif ($arg_spec eq 'special') { ($args, $has_comment) = $self->_parse_special_misc_command($line, $command, $line_nr); $misc->{'extra'}->{'arg_line'} = $line; } # if using the @set txi* instead of a proper @-command, replace # by the tree obtained with the @-command. Even though # _end_line is called below, as $current is not misc_line_arg # there should not be anything done in addition than what is # done for @clear or @set. if (($command eq 'set' or $command eq 'clear') and scalar(@$args) >= 1 and $set_flag_command_equivalent{$args->[0]}) { my $arg; if ($command eq 'set') { $arg = 'on'; } else { $arg = 'off'; } $command = $set_flag_command_equivalent{$args->[0]}; $misc = {'cmdname' => $command, 'parent' => $current, 'line_nr' => $line_nr, 'extra' => {'misc_args' => [$arg]}}; my $misc_line_args = {'type' => 'misc_line_arg', 'parent' => $misc}; $misc->{'args'} = [$misc_line_args]; my $spaces_after_command = { 'type' => 'empty_spaces_after_command', 'text' => ' ', 'parent' => $misc_line_args, 'extra' => {'command' => $misc} }; $misc->{'extra'}->{'spaces_after_command'} = $spaces_after_command; $misc_line_args->{'contents'} = [ $spaces_after_command, { 'text' => $arg, 'parent' => $misc_line_args, }, { 'text' => "\n", 'parent' => $misc_line_args, 'type' => 'spaces_at_end', } ]; push @{$current->{'contents'}}, $misc; } else { push @{$current->{'contents'}}, $misc; foreach my $arg (@$args) { push @{$misc->{'args'}}, { 'type' => 'misc_arg', 'text' => $arg, 'parent' => $current->{'contents'}->[-1] }; } $misc->{'extra'}->{'misc_args'} = $args if (scalar(@$args) and $arg_spec ne 'skipline'); } if (! _ignore_global_commands($self)) { if ($command eq 'raisesections') { $self->{'sections_level'}++; } elsif ($command eq 'lowersections') { $self->{'sections_level'}--; } elsif ($command eq 'novalidate') { $self->{'novalidate'} = 1; } } $self->_mark_and_warn_invalid($command, $invalid_parent, $line_nr, $misc); $self->_register_global_command($command, $misc, $line_nr); # the end of line is ignored for special commands if ($arg_spec ne 'special' or !$has_comment) { $current = _end_line($self, $current, $line_nr); } last NEXT_LINE if ($command eq 'bye'); # Even if _end_line is called, it is not done since there is # no misc_line_arg $current = $self->_begin_preformatted($current) if ($close_preformatted_commands{$command}); last; } else { # $arg_spec is text, line, skipspace or a number my $line_arg = 0; $line_arg = 1 if ($arg_spec ne 'skipspace'); if ($command eq 'item' or $command eq 'itemx' or $command eq 'headitem' or $command eq 'tab') { my $parent; # itemize or enumerate if ($parent = _item_container_parent($current)) { if ($command eq 'item') { print STDERR "ITEM_CONTAINER\n" if ($self->{'DEBUG'}); $parent->{'items_count'}++; $misc = { 'cmdname' => $command, 'parent' => $parent, 'contents' => [], 'extra' => {'item_number' => $parent->{'items_count'}} }; push @{$parent->{'contents'}}, $misc; $current = $parent->{'contents'}->[-1]; } else { $self->line_error(sprintf($self->__( "\@%s not meaningful inside `\@%s' block"), $command, $parent->{'cmdname'}), $line_nr); } $current = $self->_begin_preformatted($current); # *table } elsif ($parent = _item_line_parent($current)) { if ($command eq 'item' or $command eq 'itemx') { print STDERR "ITEM_LINE\n" if ($self->{'DEBUG'}); $current = $parent; $self->_gather_previous_item($current, $command, $line_nr); $misc = { 'cmdname' => $command, 'parent' => $current }; push @{$current->{'contents'}}, $misc; # since in the %misc_commands hash the entry for those # commands is 'skipspace' we set $line_arg here. $line_arg = 1; } else { $self->line_error(sprintf($self->__( "\@%s not meaningful inside `\@%s' block"), $command, $parent->{'cmdname'}), $line_nr); $current = $self->_begin_preformatted($current); } # multitable } elsif ($parent = _item_multitable_parent($current)) { if ($command eq 'item' or $command eq 'headitem' or $command eq 'tab') { if (!$parent->{'extra'}->{'max_columns'}) { $self->line_warn( sprintf($self->__("\@%s in empty multitable"), $command), $line_nr); } elsif ($command eq 'tab') { my $row = $parent->{'contents'}->[-1]; die if (!$row->{'type'}); if ($row->{'type'} eq 'before_item') { $self->line_error($self->__("\@tab before \@item"), $line_nr); } elsif ($row->{'cells_count'} >= $parent->{'extra'}->{'max_columns'}) { $self->line_error(sprintf($self->__( "too many columns in multitable item (max %d)"), $parent->{'extra'}->{'max_columns'}), $line_nr); } else { $row->{'cells_count'}++; $misc = { 'cmdname' => $command, 'parent' => $row, 'contents' => [], 'extra' => {'cell_number' => $row->{'cells_count'}} }; push @{$row->{'contents'}}, $misc; $current = $row->{'contents'}->[-1]; #$current = $self->_begin_preformatted($current); print STDERR "TAB\n" if ($self->{'DEBUG'}); } } else { print STDERR "ROW\n" if ($self->{'DEBUG'}); $parent->{'rows_count'}++; my $row = { 'type' => 'row', 'contents' => [], 'cells_count' => 1, 'extra' => {'row_number' => $parent->{'rows_count'} }, 'parent' => $parent }; push @{$parent->{'contents'}}, $row; $misc = { 'cmdname' => $command, 'parent' => $row, 'contents' => [], 'extra' => {'cell_number' => 1}}; push @{$row->{'contents'}}, $misc; $current = $row->{'contents'}->[-1]; } } else { $self->line_error(sprintf($self->__( "\@%s not meaningful inside `\@%s' block"), $command, $parent->{'cmdname'}), $line_nr); } $current = $self->_begin_preformatted($current); } elsif ($command eq 'tab') { $self->line_error($self->__( "ignoring \@tab outside of multitable"), $line_nr); $current = $self->_begin_preformatted($current); } else { $self->line_error (sprintf($self->__( "\@%s outside of table or list"), $command), $line_nr); $current = $self->_begin_preformatted($current); } $misc->{'line_nr'} = $line_nr if (defined($misc)); } else { $misc = { 'cmdname' => $command, 'parent' => $current, 'line_nr' => $line_nr }; push @{$current->{'contents'}}, $misc; if ($self->{'sections_level'} and $root_commands{$command} and $command ne 'node' and $command ne 'part') { $current->{'contents'}->[-1]->{'extra'}->{'sections_level'} = $self->{'sections_level'}; } # def*x if ($def_commands{$command}) { my $base_command = $command; $base_command =~ s/x$//; # check that the def*x is first after @def*, no paragraph # in-between. my $after_paragraph = _check_no_text($current); push @{$self->{'context_stack'}}, 'def'; $current->{'contents'}->[-1]->{'type'} = 'def_line'; $current->{'contents'}->[-1]->{'extra'} = {'def_command' => $base_command, 'original_def_cmdname' => $command}; if ($current->{'cmdname'} and $current->{'cmdname'} eq $base_command) { pop @{$current->{'contents'}}; _gather_def_item($current, $command); push @{$current->{'contents'}}, $misc; } if (!$current->{'cmdname'} or $current->{'cmdname'} ne $base_command or $after_paragraph) { $self->line_error(sprintf($self->__( "must be after `\@%s' to use `\@%s'"), $base_command, $command), $line_nr); $current->{'contents'}->[-1]->{'extra'}->{'not_after_command'} = 1; } } } # a container for what is on the @-command line, considered to # be the @-command argument if ($line_arg) { $current = $current->{'contents'}->[-1]; $current->{'args'} = [{ 'type' => 'misc_line_arg', 'contents' => [], 'parent' => $current }]; # @node is the only misc command with args separated with comma # FIXME a 3 lingering here deep into the code may not # be very wise... However having a hash only for one @-command # is not very appealing either... if ($command eq 'node') { $current->{'remaining_args'} = 3; } elsif ($command eq 'author') { my $parent = $current; my $found; while ($parent->{'parent'}) { $parent = $parent->{'parent'}; last if ($parent->{'type'} and $parent->{'type'} eq 'brace_command_context'); if ($parent->{'cmdname'}) { if ($parent->{'cmdname'} eq 'titlepage') { push @{$self->{'extra'}->{'author'}}, $current; $current->{'extra'}->{'titlepage'} = $parent; $found = 1; } elsif ($parent->{'cmdname'} eq 'quotation' or $parent->{'cmdname'} eq 'smallquotation') { push @{$parent->{'extra'}->{'authors'}}, $current; $current->{'extra'}->{'quotation'} = $parent; $found = 1; } last if ($found); } } if (!$found) { $self->line_warn(sprintf($self->__( "\@%s not meaningful outside `\@titlepage' and `\@quotation' environments"), $command), $current->{'line_nr'}); } } elsif ($command eq 'dircategory' and $self->{'current_node'}) { $self->line_warn($self->__("\@dircategory after first node"), $line_nr); } $current = $current->{'args'}->[-1]; push @{$self->{'context_stack'}}, 'line' unless ($def_commands{$command}); } $line = _start_empty_line_after_command($line, $current, $misc); } $self->_mark_and_warn_invalid($command, $invalid_parent, $line_nr, $misc); $self->_register_global_command($command, $misc, $line_nr); if ($command eq 'dircategory' and ! _ignore_global_commands($self)) { push @{$self->{'info'}->{'dircategory_direntry'}}, $misc; } # @-command with matching @end opening } elsif (exists($block_commands{$command})) { if ($command eq 'macro' or $command eq 'rmacro') { my $macro = _parse_macro_command_line($self, $command, $line, $current, $line_nr); push @{$current->{'contents'}}, $macro; $self->_mark_and_warn_invalid($command, $invalid_parent, $line_nr, $current->{'contents'}->[-1]); $current = $current->{'contents'}->[-1]; last; } elsif ($block_commands{$command} eq 'conditional') { my $ifvalue_true = 0; if ($command eq 'ifclear' or $command eq 'ifset') { # REVALUE if ($line =~ /^\s+([\w\-][^\s{\\}~`\^+"<>|@]*)\s*(\@(c|comment)((\@|\s+).*)?)?$/) { my $name = $1; if ((exists($self->{'values'}->{$name}) and $command eq 'ifset') or (!exists($self->{'values'}->{$name}) and $command eq 'ifclear')) { $ifvalue_true = 1; } print STDERR "CONDITIONAL \@$command $name: $ifvalue_true\n" if ($self->{'DEBUG'}); } elsif ($line !~ /\S/) { $self->line_error(sprintf($self-> __("%c%s requires a name"), ord('@'), $command), $line_nr); } else { $self->line_error(sprintf($self-> __("bad name for \@%s"), $command), $line_nr); } } elsif ($command eq 'ifcommanddefined' or $command eq 'ifcommandnotdefined') { # REMACRO if ($line =~ /^\s+([[:alnum:]][[:alnum:]\-]*)\s*(\@(c|comment)((\@|\s+).*)?)?$/) { my $name = $1; my $command_is_defined = ( exists($Texinfo::Common::all_commands{$name}) or $self->{'macros'}->{$name} or $self->{'definfoenclose'}->{$name} or $self->{'aliases'}->{$name} or $self->{'command_index_prefix'}->{$name} ); if (($command_is_defined and $command eq 'ifcommanddefined') or (! $command_is_defined and $command eq 'ifcommandnotdefined')) { $ifvalue_true = 1; } print STDERR "CONDITIONAL \@$command $name: $ifvalue_true\n" if ($self->{'DEBUG'}); } elsif ($line !~ /\S/) { $self->line_error(sprintf($self-> __("%c%s requires a name"), ord('@'), $command), $line_nr); } else { $self->line_error(sprintf($self-> __("bad name for \@%s"), $command), $line_nr); } } elsif ($command =~ /^ifnot(.*)/) { $ifvalue_true = 1 if !($self->{'expanded_formats_hash'}->{$1} # exception as explained in the texinfo manual or ($1 eq 'info' and $self->{'expanded_formats_hash'}->{'plaintext'})); print STDERR "CONDITIONAL \@$command format $1: $ifvalue_true\n" if ($self->{'DEBUG'}); } else { die unless ($command =~ /^if(.*)/); $ifvalue_true = 1 if ($self->{'expanded_formats_hash'}->{$1} or ($1 eq 'info' and $self->{'expanded_formats_hash'}->{'plaintext'})); print STDERR "CONDITIONAL \@$command format $1: $ifvalue_true\n" if ($self->{'DEBUG'}); } if ($ifvalue_true) { push @{$self->{'conditionals_stack'}}, $command; } else { push @{$current->{'contents'}}, { 'cmdname' => $command, 'parent' => $current, 'contents' => [] }; $current = $current->{'contents'}->[-1]; } # FIXME(Karl) ignore what is remaining on the line, to eat # the end of line? last; } else { my $block; # a menu command closes a menu_comment, but not the other # block commands. This won't catch menu commands buried in # other formats (that are incorrect anyway). if ($menu_commands{$command} and $current->{'type'} and ($current->{'type'} eq 'menu_comment' or $current->{'type'} eq 'menu_entry_description')) { my $menu; $menu = $current->{'parent'}; pop @{$menu->{'contents'}} if (!@{$current->{'contents'}}); my $context = pop @{$self->{'context_stack'}}; if ($context ne 'preformatted') { $self->_bug_message("context $context instead of preformatted in new menu", $line_nr, $current); } if ($menu->{'type'} and $menu->{'type'} eq 'menu_entry') { $menu = $menu->{'parent'}; } $current = $menu; } # the def command holds a line_def* which corresponds with the # definition line. This allows to have a treatement similar # with def*x. if ($def_commands{$command}) { push @{$self->{'context_stack'}}, 'def'; $block = { 'parent' => $current, 'cmdname' => $command, 'contents' => [] }; push @{$current->{'contents'}}, $block; $current = $current->{'contents'}->[-1]; push @{$current->{'contents'}}, { 'type' => 'def_line', 'parent' => $current, 'line_nr' => $line_nr, 'extra' => {'def_command' => $command, 'original_def_cmdname' => $command} }; } else { $block = { 'cmdname' => $command, 'parent' => $current, 'contents' => [] }; push @{$current->{'contents'}}, $block; } $current = $current->{'contents'}->[-1]; if ($block_arg_commands{$command}) { if ($preformatted_commands{$command}) { push @{$self->{'context_stack'}}, 'preformatted'; } elsif ($format_raw_commands{$command}) { push @{$self->{'context_stack'}}, 'rawpreformatted'; if ($self->{'expanded_formats_hash'}->{$command} and $self->{'expanded_formats_stack'}->[-1]) { push @{$self->{'expanded_formats_stack'}}, $command; } else { push @{$self->{'expanded_formats_stack'}}, 0; } } if ($region_commands{$command}) { if (@{$self->{'regions_stack'}}) { $self->line_error( sprintf($self->__("region %s inside region %s is not allowed"), $command, $self->{'regions_stack'}->[-1]->{'cmdname'}), $line_nr); } push @{$self->{'regions_stack'}}, $block; } if ($menu_commands{$command}) { if ($self->{'context_stack'}->[-1] eq 'preformatted') { push @{$self->{'context_stack'}}, 'preformatted'; } else { push @{$self->{'context_stack'}}, 'menu'; } if (! _ignore_global_commands($self)) { push @{$self->{'info'}->{'dircategory_direntry'}}, $block if ($command eq 'direntry'); if ($self->{'current_node'}) { if ($command eq 'direntry') { if ($self->{'SHOW_MENU'}) { $self->line_warn($self->__("\@direntry after first node"), $line_nr); } } elsif ($command eq 'menu') { push @{$self->{'current_node'}->{'menus'}}, $current; } } elsif ($command ne 'direntry') { if ($self->{'SHOW_MENU'}) { $self->line_error(sprintf($self->__("\@%s seen before first \@node"), $command), $line_nr); $self->line_error($self->__( "perhaps your \@top node should be wrapped in \@ifnottex rather than \@ifinfo?"), $line_nr, 1); } if ($command eq 'menu') { push @{$self->{'info'}->{'unassociated_menus'}}, $current; } } } } $current->{'args'} = [ { 'type' => 'block_line_arg', 'contents' => [], 'parent' => $current } ]; $current->{'remaining_args'} = $block_commands{$command} -1 if ($block_commands{$command} =~ /^\d+$/ and $block_commands{$command} -1 > 0); $current = $current->{'args'}->[-1]; push @{$self->{'context_stack'}}, 'line' unless ($def_commands{$command}); } $block->{'line_nr'} = $line_nr; $self->_mark_and_warn_invalid($command, $invalid_parent, $line_nr, $block); $self->_register_global_command($command, $block, $line_nr); $line = _start_empty_line_after_command($line, $current, $block); } } elsif (defined($brace_commands{$command}) or defined($self->{'definfoenclose'}->{$command})) { push @{$current->{'contents'}}, { 'cmdname' => $command, 'parent' => $current, 'contents' => [] }; $current->{'contents'}->[-1]->{'line_nr'} = $line_nr if ($keep_line_nr_brace_commands{$command}); $self->_mark_and_warn_invalid($command, $invalid_parent, $line_nr, $current->{'contents'}->[-1]); $current = $current->{'contents'}->[-1]; if ($command eq 'click') { $current->{'extra'}->{'clickstyle'} = $self->{'clickstyle'}; } elsif ($command eq 'kbd') { if ($self->{'context_stack'}->[-1] eq 'preformatted' and $self->{'kbdinputstyle'} ne 'distinct') { $current->{'extra'}->{'code'} = 1; } elsif ($self->{'kbdinputstyle'} eq 'code' or ($self->{'kbdinputstyle'} eq 'example' and $self->_in_code($current->{'parent'}))) { $current->{'extra'}->{'code'} = 1; } } if ($self->{'definfoenclose'}->{$command}) { $current->{'type'} = 'definfoenclose_command'; $current->{'extra'} = { 'begin' => $self->{'definfoenclose'}->{$command}->[0], 'end' => $self->{'definfoenclose'}->{$command}->[1] }; } } elsif (exists ($no_brace_commands{$command})) { push @{$current->{'contents'}}, { 'cmdname' => $command, 'parent' => $current }; # FIXME generalize? if ($command eq '\\' and $self->{'context_stack'}->[-1] ne 'math') { $self->line_warn(sprintf($self->__("\@%s should only appear in math context"), $command), $line_nr); } if ($command eq "\n") { $current = _end_line($self, $current, $line_nr); last; } } else { $self->line_error(sprintf($self->__("unknown command `%s'"), $command), $line_nr); } } elsif ($line =~ s/^([{}@,:\t.\f])//) { my $separator = $1; print STDERR "SEPARATOR: $separator\n" if ($self->{'DEBUG'}); if ($separator eq '@') { # this may happen with a @ at the very end of a file, therefore # not followed by anything. $self->line_error($self->__("unexpected \@"), $line_nr); } elsif ($separator eq '{') { _abort_empty_line($self, $current); if ($current->{'cmdname'} and (defined($brace_commands{$current->{'cmdname'}}) or $self->{'definfoenclose'}->{$current->{'cmdname'}})) { my $command = $current->{'cmdname'}; $current->{'args'} = [ { 'parent' => $current, 'contents' => [] } ]; $current->{'remaining_args'} = $brace_commands{$command} -1 if ($brace_commands{$command} and $brace_commands{$command} -1); $current->{'line_nr'} = $line_nr if ($brace_commands{$command}); if ($self->{'definfoenclose'}->{$command}) { $current->{'remaining_args'} = 0; } $current = $current->{'args'}->[-1]; if ($context_brace_commands{$command}) { if ($command eq 'caption' or $command eq 'shortcaption') { my $float; if (!$current->{'parent'}->{'parent'} or !$current->{'parent'}->{'parent'}->{'cmdname'} or $current->{'parent'}->{'parent'}->{'cmdname'} ne 'float') { $float = $current->{'parent'}; while ($float->{'parent'} and !($float->{'cmdname'} and $float->{'cmdname'} eq 'float')) { $float = $float->{'parent'}; } if (!($float->{'cmdname'} and $float->{'cmdname'} eq 'float')) { $self->line_error(sprintf($self->__( "\@%s is not meaningful outside `\@float' environment"), $command), $line_nr); $float = undef; } else { $self->line_warn(sprintf($self->__( "\@%s should be right below `\@float'"), $command), $line_nr); } } else { $float = $current->{'parent'}->{'parent'}; } if ($float) { if ($float->{'extra'}->{$command}) { $self->line_warn(sprintf($self->__("ignoring multiple \@%s"), $command), $line_nr); } else { $current->{'parent'}->{'extra'}->{'float'} = $float; $float->{'extra'}->{$command} = $current->{'parent'}; } } } push @{$self->{'context_stack'}}, $command; $line =~ s/([^\S\f\n]*)//; $current->{'type'} = 'brace_command_context'; push @{$current->{'contents'}}, { 'type' => 'empty_spaces_before_argument', 'text' => $1, 'parent' => $current }; $current->{'parent'}->{'extra'}->{'spaces_before_argument'} = $current->{'contents'}->[-1]; } else { $current->{'type'} = 'brace_command_arg'; if ($brace_commands{$command} and ($brace_commands{$command} > 1 or $simple_text_commands{$command})) { push @{$current->{'contents'}}, {'type' => 'empty_spaces_before_argument', 'text' => '' }; $current->{'parent'}->{'extra'}->{'spaces_before_argument'} = $current->{'contents'}->[-1]; } if ($inline_commands{$command}) { # this is changed when the first argument is known. push @{$self->{'expanded_formats_stack'}}, 0; push @{$self->{'context_stack'}}, $command if ($command eq 'inlineraw'); } } print STDERR "OPENED \@$current->{'parent'}->{'cmdname'}, remaining: " .(defined($current->{'parent'}->{'remaining_args'}) ? "remaining: $current->{'parent'}->{'remaining_args'}, " : '') .($current->{'type'} ? "type: $current->{'type'}" : '')."\n" if ($self->{'DEBUG'}); } elsif ($current->{'parent'} and (($current->{'parent'}->{'cmdname'} and $current->{'parent'}->{'cmdname'} eq 'multitable') or ($current->{'parent'}->{'type'} and $current->{'parent'}->{'type'} eq 'def_line'))) { push @{$current->{'contents'}}, { 'type' => 'bracketed', 'contents' => [], 'parent' => $current }; $current = $current->{'contents'}->[-1]; # we need the line number here in case @ protects end of line $current->{'line_nr'} = $line_nr if ($current->{'parent'}->{'parent'}->{'type'} and $current->{'parent'}->{'parent'}->{'type'} eq 'def_line'); push @{$current->{'contents'}}, {'type' => 'empty_spaces_before_argument', 'text' => '' }; print STDERR "BRACKETED in def/multitable\n" if ($self->{'DEBUG'}); $current->{'extra'}->{'spaces_before_argument'} = $current->{'contents'}->[-1]; # lone braces accepted right in a rawpreformatted } elsif ($current->{'type'} and $current->{'type'} eq 'rawpreformatted') { push @{$current->{'contents'}}, {'text' => '{' }; # matching braces accepted in a rawpreformatted or math or ignored # code } elsif ($self->{'context_stack'}->[-1] eq 'math' or $self->{'context_stack'}->[-1] eq 'rawpreformatted' or $self->{'context_stack'}->[-1] eq 'inlineraw' or $self->_ignore_global_commands()) { push @{$current->{'contents'}}, { 'type' => 'bracketed', 'contents' => [], 'parent' => $current, 'line_nr' => $line_nr }; $current = $current->{'contents'}->[-1]; print STDERR "BRACKETED in math\n" if ($self->{'DEBUG'}); } else { $self->line_error(sprintf($self->__("misplaced %c"), ord('{')), $line_nr); } } elsif ($separator eq '}') { _abort_empty_line($self, $current); #print STDERR "GGGGG". _print_current ($current); if ($current->{'type'} and ($current->{'type'} eq 'bracketed')) { $current = $current->{'parent'}; # the following will not happen for footnote if there is # a paragraph withing the footnote } elsif ($current->{'parent'} and $current->{'parent'}->{'cmdname'} and (exists $brace_commands{$current->{'parent'}->{'cmdname'}} or $self->{'definfoenclose'}->{$current->{'parent'}->{'cmdname'}})) { # for math and footnote out of paragraph if ($context_brace_commands{$current->{'parent'}->{'cmdname'}}) { my $context_command = pop @{$self->{'context_stack'}}; if ($context_command ne $current->{'parent'}->{'cmdname'}) { $self->_bug_message("context $context_command instead of brace command $current->{'parent'}->{'cmdname'}", $line_nr, $current); die; } } # first is the arg. if ($brace_commands{$current->{'parent'}->{'cmdname'}} and ($brace_commands{$current->{'parent'}->{'cmdname'}} > 1 or $simple_text_commands{$current->{'parent'}->{'cmdname'}}) and $current->{'parent'}->{'cmdname'} ne 'math') { # @inline* always have end spaces considered as normal text $self->_isolate_last_space($current) unless ($inline_commands{$current->{'parent'}->{'cmdname'}}); $self->_register_command_arg($current, 'brace_command_contents'); # Remove empty arguments, as far as possible _remove_empty_content_arguments($current); } my $closed_command = $current->{'parent'}->{'cmdname'}; print STDERR "CLOSING(brace) \@$current->{'parent'}->{'cmdname'}\n" if ($self->{'DEBUG'}); delete $current->{'parent'}->{'remaining_args'}; if (defined($brace_commands{$closed_command}) and $brace_commands{$closed_command} == 0 and @{$current->{'contents'}}) { $self->line_warn(sprintf($self->__( "command \@%s does not accept arguments"), $closed_command), $line_nr); } if ($current->{'parent'}->{'cmdname'} eq 'anchor') { $current->{'parent'}->{'line_nr'} = $line_nr; my $parsed_anchor = _parse_node_manual($current); if (_check_node_label($self, $parsed_anchor, $current->{'parent'}->{'cmdname'}, $line_nr)) { _register_label($self, $current->{'parent'}, $parsed_anchor, $line_nr); if (@{$self->{'regions_stack'}}) { $current->{'extra'}->{'region'} = $self->{'regions_stack'}->[-1]; } } } elsif ($ref_commands{$current->{'parent'}->{'cmdname'}}) { my $ref = $current->{'parent'}; if (@{$ref->{'args'}}) { my @args = @{$ref->{'extra'}->{'brace_command_contents'}}; if (($closed_command eq 'inforef' and !defined($args[0]) and !defined($args[2])) or ($closed_command ne 'inforef' and !defined($args[0]) and !defined($args[3]) and !defined($args[4]))) { $self->line_warn(sprintf($self->__( "command \@%s missing a node or external manual argument"), $closed_command), $line_nr); } else { my $parsed_ref_node = _parse_node_manual($ref->{'args'}->[0]); $ref->{'extra'}->{'node_argument'} = $parsed_ref_node if (defined($parsed_ref_node)); if ($closed_command ne 'inforef' and !defined($args[3]) and !defined($args[4]) and !$parsed_ref_node->{'manual_content'} and ! _ignore_global_commands($self)) { push @{$self->{'internal_references'}}, $ref; } } if (defined($args[1])) { my $normalized_cross_ref_name = Texinfo::Convert::NodeNameNormalization::normalize_node( {'contents' => $args[1]}); if ($normalized_cross_ref_name !~ /[^-]/) { $self->line_warn(sprintf($self->__( "in \@%s empty cross reference name after expansion `%s'"), $closed_command, Texinfo::Convert::Texinfo::convert({'contents' => $args[1]})), $line_nr); } } if ($closed_command ne 'inforef' and defined($args[2])) { my $normalized_cross_ref_title = Texinfo::Convert::NodeNameNormalization::normalize_node({'contents' => $args[2]}); if ($normalized_cross_ref_title !~ /[^-]/) { $self->line_warn(sprintf($self->__( "in \@%s empty cross reference title after expansion `%s'"), $closed_command, Texinfo::Convert::Texinfo::convert({'contents' => $args[2]})), $line_nr); } } } } elsif ($current->{'parent'}->{'cmdname'} eq 'image') { my $image = $current->{'parent'}; if (!@{$image->{'args'}} or !@{$image->{'extra'}->{'brace_command_contents'}} or !defined($image->{'extra'}->{'brace_command_contents'}->[0])) { $self->line_error( $self->__("\@image missing filename argument"), $line_nr); } } elsif($current->{'parent'}->{'cmdname'} eq 'dotless') { my $dotless = $current->{'parent'}; if (@{$current->{'contents'}}) { my $text = $current->{'contents'}->[0]->{'text'}; if (!defined ($text) or ($text ne 'i' and $text ne 'j')) { $self->line_error(sprintf($self-> __("%c%s expects `i' or `j' as argument, not `%s'"), ord('@'), $dotless->{'cmdname'}, Texinfo::Convert::Texinfo::convert($current)), $line_nr); } } } elsif ($explained_commands{$current->{'parent'}->{'cmdname'}} or $inline_commands{$current->{'parent'}->{'cmdname'}}) { my $current_command = $current->{'parent'}; if ($inline_commands{$current_command->{'cmdname'}}) { if ($current_command->{'cmdname'} eq 'inlineraw') { my $context_command = pop @{$self->{'context_stack'}}; if ($context_command ne $current_command->{'cmdname'}) { $self->_bug_message("context $context_command instead of inlineraw $current_command->{'cmdname'}", $line_nr, $current); die; } } pop @{$self->{'expanded_formats_stack'}}; } if (!@{$current_command->{'args'}} or !@{$current_command->{'extra'}->{'brace_command_contents'}} or !defined($current_command->{'extra'}->{'brace_command_contents'}->[0])) { $self->line_warn( sprintf($self->__("\@%s missing first argument"), $current_command->{'cmdname'}), $line_nr); } else { if ($explained_commands{$current_command->{'cmdname'}}) { my $normalized_type = Texinfo::Convert::NodeNameNormalization::normalize_node( {'contents' => $current_command->{'extra'}->{'brace_command_contents'}->[0]}); $current_command->{'extra'}->{'normalized'} = $normalized_type; if (!$current_command->{'extra'}->{'brace_command_contents'}->[1]) { if ($self->{'explained_commands'}->{$current_command->{'cmdname'}}->{$normalized_type}) { $current_command->{'extra'}->{'explanation_contents'} = $self->{'explained_commands'}->{$current_command->{'cmdname'}}->{$normalized_type}; } } elsif (! _ignore_global_commands($self)) { $self->{'explained_commands'}->{$current_command->{'cmdname'}}->{$normalized_type} = $current_command->{'extra'}->{'brace_command_contents'}->[1]; } }# else { # my $argument # = Texinfo::Convert::Text::convert({'contents' => # $current_command->{'extra'}->{'brace_command_contents'}->[0]}, # {Texinfo::Common::_convert_text_options($self)}); # $current_command->{'extra'}->{'format'} = $argument; #} } } elsif ($current->{'parent'}->{'cmdname'} eq 'errormsg') { if (! _ignore_global_commands($self)) { my $error_message_text = Texinfo::Convert::Text::convert($current, {Texinfo::Common::_convert_text_options($self)}); $self->line_error($error_message_text, $line_nr); } } elsif (_command_with_command_as_argument($current->{'parent'}->{'parent'}) and scalar(@{$current->{'contents'}}) == 0) { print STDERR "FOR PARENT \@$current->{'parent'}->{'parent'}->{'parent'}->{'cmdname'} command_as_argument braces $current->{'cmdname'}\n" if ($self->{'DEBUG'}); $current->{'parent'}->{'type'} = 'command_as_argument' if (!$current->{'parent'}->{'type'}); $current->{'parent'}->{'parent'}->{'parent'}->{'extra'}->{'command_as_argument'} = $current->{'parent'}; } $self->_register_global_command($current->{'parent'}->{'cmdname'}, $current->{'parent'}, $line_nr); if ($command_ignore_space_after{$current->{'parent'}->{'cmdname'}}) { push @{$current->{'parent'}->{'parent'}->{'contents'}}, {'type' => 'empty_spaces_after_close_brace', 'text' => '' }; } $current = $current->{'parent'}->{'parent'}; $current = $self->_begin_preformatted ($current) if ($close_preformatted_commands{$closed_command}); # lone braces accepted right in a rawpreformatted } elsif ($current->{'type'} and $current->{'type'} eq 'rawpreformatted') { push @{$current->{'contents'}}, {'text' => '}' }; # footnote caption closing, when there is a paragraph inside. } elsif ($context_brace_commands{$self->{'context_stack'}->[-1]}) { # closing the context under broader situations $current = _end_paragraph($self, $current, $line_nr); if ($current->{'parent'} and $current->{'parent'}->{'cmdname'} and $context_brace_commands{$current->{'parent'}->{'cmdname'}} and $current->{'parent'}->{'cmdname'} eq $self->{'context_stack'}->[-1]) { my $context_command = pop @{$self->{'context_stack'}}; if ($context_command ne $current->{'parent'}->{'cmdname'}) { $self->_bug_message("context $context_command instead of brace isolated $current->{'parent'}->{'cmdname'}", $line_nr, $current); die; } print STDERR "CLOSING(context command) \@$current->{'parent'}->{'cmdname'}\n" if ($self->{'DEBUG'}); my $closed_command = $current->{'parent'}->{'cmdname'}; $self->_register_global_command($current->{'parent'}->{'cmdname'}, $current->{'parent'}, $line_nr); $current = $current->{'parent'}->{'parent'}; $current = $self->_begin_preformatted ($current) if ($close_preformatted_commands{$closed_command}); } } else { $self->line_error(sprintf($self->__("misplaced %c"), ord('}')), $line_nr); } } elsif ($separator eq ',' and $current->{'parent'}->{'remaining_args'}) { _abort_empty_line ($self, $current); if ($brace_commands{$current->{'parent'}->{'cmdname'}} and ($brace_commands{$current->{'parent'}->{'cmdname'}} > 1 or $simple_text_commands{$current->{'parent'}->{'cmdname'}})) { $self->_isolate_last_space($current); $self->_register_command_arg($current, 'brace_command_contents'); } else { $self->_isolate_last_space($current); if (exists $block_commands{$current->{'parent'}->{'cmdname'}}) { $self->_register_command_arg($current, 'block_command_line_contents'); } } my $type = $current->{'type'}; $current = $current->{'parent'}; if ($inline_commands{$current->{'cmdname'}}) { if (! $current->{'extra'}->{'format'}) { # change the top of the raw_formats_stack now that we know the # first arg of the inlineraw my $inline_type = Texinfo::Convert::Text::convert({'contents' => $current->{'extra'}->{'brace_command_contents'}->[0]}, {Texinfo::Common::_convert_text_options($self)}); if ($self->{'expanded_formats_stack'}->[-2]) { if ($inline_format_commands{$current->{'cmdname'}}) { if ($self->{'expanded_formats_hash'}->{$inline_type}) { $self->{'expanded_formats_stack'}->[-1] = $inline_type; $current->{'extra'}->{'expand_index'} = 1; } else { $self->{'expanded_formats_stack'}->[-1] = 0; } } elsif (($current->{'cmdname'} eq 'inlineifset' and exists($self->{'values'}->{$inline_type})) or ($current->{'cmdname'} eq 'inlineifclear' and ! exists($self->{'values'}->{$inline_type}))) { $self->{'expanded_formats_stack'}->[-1] = "$current->{'cmdname'} $inline_type"; $current->{'extra'}->{'expand_index'} = 1; } else { $self->{'expanded_formats_stack'}->[-1] = 0; } } else { $self->{'expanded_formats_stack'}->[-1] = 0; } $current->{'extra'}->{'format'} = $inline_type; } else { # happens for the second arg of inlinefmtifelse my $inline_type = $current->{'extra'}->{'format'}; if ($self->{'expanded_formats_stack'}->[-2] and ! ($self->{'expanded_formats_hash'}->{$inline_type})) { $self->{'expanded_formats_stack'}->[-1] = $inline_type; $current->{'extra'}->{'expand_index'} = 2; } else { $self->{'expanded_formats_stack'}->[-1] = 0; } } } $current->{'remaining_args'}--; push @{$current->{'args'}}, { 'type' => $type, 'parent' => $current, 'contents' => [] }; #if ($inline_commands{$current->{'cmdname'}} # and ! $self->{'expanded_formats_stack'}->[-1]) { # $current->{'args'}->[-1]->{'extra'}->{'ignore'} = 1; #} $current = $current->{'args'}->[-1]; push @{$current->{'contents'}}, {'type' => 'empty_spaces_before_argument', 'text' => '' }; } elsif ($separator eq ',' and $current->{'type'} and $current->{'type'} eq 'misc_line_arg' and $current->{'parent'}->{'cmdname'} and $current->{'parent'}->{'cmdname'} eq 'node') { $self->line_warn($self->__("superfluous arguments for node"), $line_nr); # end of menu node (. must be followed by a space to stop the node). } elsif (($separator =~ /[,\t.]/ and $current->{'type'} and $current->{'type'} eq 'menu_entry_node') or ($separator eq ':' and $current->{'type'} and $current->{'type'} eq 'menu_entry_name')) { $current = $current->{'parent'}; push @{$current->{'args'}}, { 'type' => 'menu_entry_separator', 'text' => $separator, 'parent' => $current }; } elsif ($separator eq "\f" and $current->{'type'} and $current->{'type'} eq 'paragraph') { # form feed stops and restart a paragraph. $current = $self->_end_paragraph($current); push @{$current->{'contents'}}, {'text' => $separator, 'type' => 'empty_line', 'parent' => $current }; push @{$current->{'contents'}}, { 'type' => 'empty_line', 'text' => '', 'parent' => $current }; } else { $current = _merge_text($self, $current, $separator); } # Misc text except end of line } elsif ($line =~ s/^([^{}@,:\t.\n\f]+)//) { my $new_text = $1; $current = _merge_text($self, $current, $new_text); # end of line } else { if ($self->{'DEBUG'}) { print STDERR "END LINE: ". _print_current($current)."\n"; } if ($line =~ s/^(\n)//) { $current = _merge_text($self, $current, $1); } else { if (scalar(@{$self->{'input'}})) { $self->_bug_message("Text remaining without normal text but `$line'", $line_nr, $current); die; } } #print STDERR "END LINE AFTER MERGE END OF LINE: ". _print_current($current)."\n"; $current = _end_line($self, $current, $line_nr); last; } } } while (@{$self->{'conditionals_stack'}}) { my $end_conditional = pop @{$self->{'conditionals_stack'}}; $self->line_error(sprintf($self->__("expected \@end %s"), $end_conditional), $line_nr); } $current = _close_commands($self, $current, $line_nr); if (@{$self->{'context_stack'}} != 1) { # This happens in 2 cases in the tests: # @verb not closed on misc commands line # def line escaped with @ ending the file if ($self->{'DEBUG'}) { print STDERR "CONTEXT_STACK no empty end _parse_texi: ".join('|', @{$self->{'context_stack'}})."\n"; } @{$self->{'context_stack'}} = ($self->{'context'}); } if (@{$self->{'expanded_formats_stack'}} != 1) { if ($self->{'DEBUG'}) { print STDERR "EXPANDED_FORMATS_STACK no empty end _parse_texi: ".join('|', @{$self->{'expanded_formats_stack'}})."\n"; } @{$self->{'expanded_formats_stack'}} = ($self->{'expanded_formats_stack'}->[0]); } return $root; } # parse special line @-commands, unmacro, set, clear, clickstyle. # Also remove spaces or ignore text, as specified in the misc_commands hash. sub _parse_special_misc_command($$$$) { my $self = shift; my $line = shift; my $command = shift; my $line_nr = shift; my $args = []; my $has_comment = 0; my $remaining; if ($command eq 'set') { # REVALUE #if ($line =~ s/^\s+([\w\-]+)(\s+(.*?))\s*$//) { if ($line =~ /^\s+([\w\-][^\s{\\}~`\^+"<>|@]*)(\@(c|comment)((\@|\s+).*)?|[^\S\f]+(.*?))?[^\S\f]*$/) { if ($line =~ s/\@(c|comment)((\@|\s+).*)?$//) { $has_comment = 1; } $line =~ /^\s+([\w\-][^\s{\\}~`\^+"<>|@]*)([^\S\f]+(.*?))?[^\S\f]*$/; my $name = $1; my $arg = $3; $arg = '' if (!defined($arg)); $args = [$name, $arg]; $self->{'values'}->{$name} = $arg unless(_ignore_global_commands($self)); } elsif ($line !~ /\S/) { $self->line_error(sprintf($self-> __("%c%s requires a name"), ord('@'), $command), $line_nr); } else { $self->line_error(sprintf($self-> __("bad name for \@%s"), $command), $line_nr); } } elsif ($command eq 'clear') { # REVALUE if ($line =~ /^\s+([\w\-][^\s{\\}~`\^+"<>|@]*)\s*(\@(c|comment)((\@|\s+).*)?)?$/) { $args = [$1]; delete $self->{'values'}->{$1} unless(_ignore_global_commands($self)); $has_comment = 1 if (defined($3)); #$remaining = $line; #$remaining =~ s/^\s+([\w\-]+)\s*(\@(c|comment)((\@|\s+).*)?)?//; } elsif ($line !~ /\S/) { $self->line_error(sprintf($self-> __("%c%s requires a name"), ord('@'), $command), $line_nr); } else { $self->line_error(sprintf($self-> __("bad name for \@%s"), $command), $line_nr); } } elsif ($command eq 'unmacro') { # REMACRO if ($line =~ /^\s+([[:alnum:]][[:alnum:]\-]*)\s*(\@(c|comment)((\@|\s+).*)?)?$/) { $args = [$1]; delete $self->{'macros'}->{$1} unless(_ignore_global_commands($self)); $has_comment = 1 if (defined($3)); print STDERR "UNMACRO $1\n" if ($self->{'DEBUG'}); } elsif ($line !~ /\S/) { $self->line_error(sprintf($self-> __("%c%s requires a name"), ord('@'), $command), $line_nr); } else { $self->line_error(sprintf($self-> __("bad name for \@%s"), $command), $line_nr); } } elsif ($command eq 'clickstyle') { # REMACRO if ($line =~ /^\s+@([[:alnum:]][[:alnum:]\-]*)({})?\s*/) { $args = ['@'.$1]; $self->{'clickstyle'} = $1 unless(_ignore_global_commands($self)); $remaining = $line; $remaining =~ s/^\s+@([[:alnum:]][[:alnum:]\-]*)({})?\s*(\@(c|comment)((\@|\s+).*)?)?//; $has_comment = 1 if (defined($4)); } else { $self->line_error (sprintf($self->__( "\@%s should only accept a \@-command as argument, not `%s'"), $command, $line), $line_nr); } } else { die $self->_bug_message("Unknown special command $command", $line_nr); } if (defined($remaining)) { chomp($remaining); if ($remaining ne '') { $self->line_warn(sprintf($self->__( "remaining argument on \@%s line: %s"), $command, $remaining), $line_nr); } } return ($args, $has_comment); } sub _trim_spaces_comment_from_content($) { Texinfo::Common::trim_spaces_comment_from_content($_[0]); } # at the end of a @-command line with arguments, parse the resulting # text, to collect aliases, definfoenclose and collect errors on # wrong arguments. sub _parse_line_command_args($$$) { my $self = shift; my $line_command = shift; my $line_nr = shift; my $args; my $command = $line_command->{'cmdname'}; my $arg = $line_command->{'args'}->[0]; if ($self->{'DEBUG'}) { print STDERR "MISC ARGS \@$command\n"; if (@{$arg->{'contents'}}) { my $idx = 0; foreach my $content (@{$arg->{'contents'}}) { my $name = ''; $name = '@' . $content->{'cmdname'} if ($content->{'cmdname'}); my $type = ', t: '; $type .= $content->{'type'} if ($content->{'type'}); my $text = ', '; $type .= $content->{'text'} if ($content->{'text'}); print STDERR " -> $idx $name $type $text\n"; $idx++; } } } my @contents = @{$arg->{'contents'}}; _trim_spaces_comment_from_content(\@contents); if (! @contents) { $self->_command_error($line_command, $line_nr, $self->__("\@%s missing argument"), $command); $line_command->{'extra'}->{'missing_argument'} = 1; return undef; } if (@contents > 1 or (!defined($contents[0]->{'text'}))) { $self->line_error (sprintf($self->__("superfluous argument to \@%s"), $command), $line_nr); } return undef if (!defined($contents[0]->{'text'})); my $line = $contents[0]->{'text'}; if ($command eq 'alias') { # REMACRO if ($line =~ s/^([[:alnum:]][[:alnum:]-]*)(\s*=\s*)([[:alnum:]][[:alnum:]-]*)$//) { my $new_command = $1; my $existing_command = $3; $args = [$1, $3]; $self->{'aliases'}->{$new_command} = $existing_command unless (_ignore_global_commands($self)); if (exists($block_commands{$existing_command})) { $self->line_warn(sprintf($self-> __("environment command %s as argument to \@%s"), $existing_command, $command), $line_nr); } } else { $self->line_error(sprintf($self-> __("bad argument to \@%s"), $command), $line_nr); } } elsif ($command eq 'definfoenclose') { # REMACRO if ($line =~ s/^([[:alnum:]][[:alnum:]\-]*)\s*,\s*([^\s,]*)\s*,\s*([^\s,]*)$//) { $args = [$1, $2, $3 ]; $self->{'definfoenclose'}->{$1} = [ $2, $3 ] unless (_ignore_global_commands($self)); print STDERR "DEFINFOENCLOSE \@$1: $2, $3\n" if ($self->{'DEBUG'}); } else { $self->line_error(sprintf($self-> __("bad argument to \@%s"), $command), $line_nr); } } elsif ($command eq 'columnfractions') { my @possible_fractions = split (/\s+/, $line); if (!@possible_fractions) { $self->line_error (sprintf($self->__("empty \@%s"), $command), $line_nr); } else { foreach my $fraction (@possible_fractions) { if ($fraction =~ /^(\d*\.\d+)|(\d+)\.?$/) { push @$args, $fraction; } else { $self->line_error (sprintf($self-> __("column fraction not a number: %s"), $fraction), $line_nr); } } } } elsif ($command eq 'sp') { if ($line =~ /^([0-9]+)$/) { $args = [$1]; } else { $self->line_error(sprintf($self->__("\@sp arg must be numeric, not `%s'"), $line), $line_nr); } } elsif ($command eq 'defindex' || $command eq 'defcodeindex') { # REMACRO if ($line =~ /^([[:alnum:]][[:alnum:]\-]*)$/) { my $name = $1; if ($forbidden_index_name{$name}) { $self->line_error(sprintf($self-> __("reserved index name %s"),$name), $line_nr); } else { my $in_code = 0; $in_code = 1 if ($command eq 'defcodeindex'); $args = [$name]; if (! _ignore_global_commands($self)) { $self->{'index_names'}->{$name} = {'in_code' => $in_code}; $self->_register_index_commands($name); } } } else { $self->line_error(sprintf($self-> __("bad argument to \@%s: %s"), $command, $line), $line_nr); } } elsif ($command eq 'synindex' || $command eq 'syncodeindex') { # REMACRO if ($line =~ /^([[:alnum:]][[:alnum:]\-]*)\s+([[:alnum:]][[:alnum:]\-]*)$/) { my $index_from = $1; my $index_to = $2; $self->line_error(sprintf($self->__("unknown source index in \@%s: %s"), $command, $index_from), $line_nr) unless $self->{'index_names'}->{$index_from}; $self->line_error(sprintf($self->__("unknown destination index in \@%s: %s"), $command, $index_to), $line_nr) unless $self->{'index_names'}->{$index_to}; if ($self->{'index_names'}->{$index_from} and $self->{'index_names'}->{$index_to}) { my $current_to = $index_to; # find the merged indices recursively avoiding loops while ($current_to ne $index_from and $self->{'merged_indices'}->{$current_to}) { $current_to = $self->{'merged_indices'}->{$current_to}; } if ($current_to ne $index_from) { my $index_from_info = $self->{'index_names'}->{$index_from}; my $index_to_info = $self->{'index_names'}->{$current_to}; my $in_code = 0; $in_code = 1 if ($command eq 'syncodeindex'); if (! _ignore_global_commands($self)) { $self->{'merged_indices'}->{$index_from} = $current_to; $index_from_info->{'in_code'} = $in_code; foreach my $contained_index (keys %{$index_from_info->{'contained_indices'}}) { $index_to_info->{'contained_indices'}->{$contained_index} = 1; $self->{'index_names'}->{$contained_index}->{'merged_in'} = $current_to; } $index_from_info->{'merged_in'} = $current_to; $index_to_info->{'contained_indices'}->{$index_from} = 1; } $args = [$index_from, $index_to]; } else { $self->line_warn(sprintf($self->__( "\@%s leads to a merging of %s in itself, ignoring"), $command, $index_from), $line_nr); } } } else { $self->line_error(sprintf($self->__("bad argument to \@%s: %s"), $command, $line), $line_nr); } } elsif ($command eq 'printindex') { # REMACRO if ($line =~ /^([[:alnum:]][[:alnum:]\-]*)$/) { my $name = $1; if (!exists($self->{'index_names'}->{$name})) { $self->line_error(sprintf($self->__("unknown index `%s' in \@printindex"), $name), $line_nr); } else { if ($self->{'merged_indices'}->{$name}) { $self->line_warn(sprintf($self->__( "printing an index `%s' merged in another one `%s'"), $name, $self->{'merged_indices'}->{$name}), $line_nr); } if (!defined($self->{'current_node'}) and !defined($self->{'current_section'}) and !scalar(@{$self->{'regions_stack'}})) { $self->line_warn(sprintf($self->__( "printindex before document beginning: \@printindex %s"), $name), $line_nr); } $args = [$name]; } } else { $self->line_error(sprintf($self-> __("bad argument to \@%s: %s"), $command, $line), $line_nr); } } elsif (grep {$_ eq $command} ('everyheadingmarks', 'everyfootingmarks', 'evenheadingmarks', 'oddheadingmarks', 'evenfootingmarks', 'oddfootingmarks')) { if ($line eq 'top' or $line eq 'bottom') { $args = [$line]; } else { $self->line_error(sprintf($self->__( "\@%s arg must be `top' or `bottom', not `%s'"), $command, $line), $line_nr); } } elsif ($command eq 'fonttextsize') { if ($line eq '10' or $line eq '11') { $args = [$line]; } else { $self->line_error(sprintf($self->__( "Only \@%s 10 or 11 is supported, not `%s'"), $command, $line), $line_nr); } } elsif ($command eq 'footnotestyle') { if ($line eq 'separate' or $line eq 'end') { $args = [$line]; } else { $self->line_error(sprintf($self->__( "\@%s arg must be `separate' or `end', not `%s'"), $command, $line), $line_nr); } } elsif ($command eq 'setchapternewpage') { if ($line eq 'on' or $line eq 'off' or $line eq 'odd') { $args = [$1]; } else { $self->line_error(sprintf($self->__( "\@%s arg must be `on', `off' or `odd', not `%s'"), $command, $line), $line_nr); } } elsif ($command eq 'need') { # only a warning if (($line =~ /^([0-9]+(\.[0-9]*)?)$/) or ($line =~ /^(\.[0-9]+)$/)) { $args = [$1]; } else { $self->line_error(sprintf($self->__("bad argument to \@%s: %s"), $command, $line), $line_nr); } } elsif ($command eq 'paragraphindent') { if ($line =~ /^([\w\-]+)$/) { my $value = $1; if ($value =~ /^([0-9]+)$/ or $value eq 'none' or $value eq 'asis') { $args = [$1]; } else { $self->line_error(sprintf($self->__( "\@paragraphindent arg must be numeric/`none'/`asis', not `%s'"), $value), $line_nr); } } else { $self->line_error(sprintf($self->__( "\@paragraphindent arg must be numeric/`none'/`asis', not `%s'"), $line), $line_nr); } } elsif ($command eq 'firstparagraphindent') { if ($line eq 'none' or $line eq 'insert') { $args = [$line]; } else { $self->line_error(sprintf($self->__( "\@firstparagraphindent arg must be `none' or `insert', not `%s'"), $line), $line_nr); } } elsif ($command eq 'exampleindent') { if ($line =~ /^([0-9]+)/) { $args = [$1]; } elsif ($line =~ /^(asis)$/) { $args = [$1]; } else { $self->line_error(sprintf($self->__( "\@exampleindent arg must be numeric/`asis', not `%s'"), $line), $line_nr); } } elsif ($command eq 'frenchspacing' or $command eq 'xrefautomaticsectiontitle' or $command eq 'codequoteundirected' or $command eq 'codequotebacktick' or $command eq 'deftypefnnewline') { if ($line eq 'on' or $line eq 'off') { $args = [$line]; } else { $self->line_error(sprintf($self->__("expected \@%s on or off, not `%s'"), $command, $line), $line_nr); } } elsif ($command eq 'kbdinputstyle') { if ($line eq 'code' or $line eq 'example' or $line eq 'distinct') { $self->{'kbdinputstyle'} = $line unless (_ignore_global_commands($self)); $args = [$line]; } else { $self->line_error(sprintf($self->__( "\@kbdinputstyle arg must be `code'/`example'/`distinct', not `%s'"), $line), $line_nr); } } elsif ($command eq 'allowcodebreaks') { if ($line eq 'true' or $line eq 'false') { $args = [$line]; } else { $self->line_error(sprintf($self->__( "\@allowcodebreaks arg must be `true' or `false', not `%s'"), $line), $line_nr); } } elsif ($command eq 'urefbreakstyle') { if ($line eq 'after' or $line eq 'before' or $line eq 'none') { $args = [$line]; } else { $self->line_error(sprintf($self->__( "\@urefbreakstyle arg must be `after'/`before'/`none', not `%s'"), $line), $line_nr); } } elsif ($command eq 'headings') { if ($line eq 'off' or $line eq 'on' or $line eq 'single' or $line eq 'double' or $line eq 'singleafter' or $line eq 'doubleafter') { $args = [$line]; } else { $self->line_error(sprintf($self->__("bad argument to \@%s: %s"), $command, $line), $line_nr); } } return $args; } 1; __END__ =head1 NAME Texinfo::Parser - Parse Texinfo code in a Perl tree =head1 SYNOPSIS use Texinfo::Parser; my $parser = Texinfo::Parser::parser(); my $tree = $parser->parse_texi_file("somefile.texi"); my ($errors, $errors_count) = $parser->errors(); foreach my $error_message (@$errors) { warn $error_message->{'error_line'}; } my ($index_names, $merged_indices_hash) = $parser->indices_information(); my $float_types_arrays = $parser->floats_information(); my $internal_references_array = $parser->internal_references_information(); # An hash reference on normalized node/float/anchor names my $labels_information = $parser->labels_information(); # A hash reference, keys are @-command names, value is an # array reference holding all the corresponding @-commands. my $global_commands_information = $parser->global_commands_information(); # a hash reference on some document informations (encodings, # input file name, dircategory and direntry list, for exampel). my $global_informations = $parser->global_informations(); =head1 DESCRIPTION Texinfo::Parser will parse Texinfo text into a perl tree. In one pass it expands user defined @-commands, conditionals (@ifset, @ifinfo...) and @value and constructs the tree. Some extra information is gathered while doing the tree, for example the block command associated with @end, the number of row in a multitable, the node associated with a section. =head1 METHODS No method is exported in the default case. The module allows both an object oriented syntax, or traditional function, with the parser as an opaque data structure given in argument to every function. =head2 Initialization The following method is used to construct a new C object: =over =item $parser = Texinfo::Parser::parser($options); This method creates a new parser. The options may be provided as a hash reference. There are two types of options. The first type of options change the way the parser behave, they are described right here. The other type of options allow to give to the parser some information as if it came from texinfo code, for example allow to set aliases (as with C<@alias>), values (as with C<@set>), merged indices (as with C<@synindex>). These options are described below in L. =over =item expanded_formats An array reference of the output formats for which C<@ifI> conditional blocks should be expanded. Default is empty. The raw block formats (within C<@html> blocks, for example) are always kept. =item gettext If set, the function reference is used to translate error and warning messages. It takes a string as argument and returns a string. The default function returns the error message as is. =item GLOBAL_COMMANDS The associated value is a reference on an array. All the commands in the array are collected during parsing. They are afterwards available through L. =item include_directories An array reference of directories in which C<@include> files should be searched for. Default contains the working directory, F<.>. =item INLINE_INSERTCOPYING If set, C<@insertcopying> is replaced by the C<@copying> content as if C<@insertcopying> was a user-defined macro. In the default case, it is considered to be a simple @-command and kept as is in the tree. =item IGNORE_BEFORE_SETFILENAME If set, and C<@setfilename> exists, everything before C<@setfilename> is put in a special container type, @C. This option is set in the default case. =item IGNORE_SPACE_AFTER_BRACED_COMMAND_NAME If set, spaces after an @-commande name that take braces are ignored. Default on. =item MACRO_BODY_IGNORES_LEADING_SPACE If set, leading spaces are stripped from user defined macro bodies. =item MAX_MACRO_CALL_NESTING Maximal number of nested user-defined macro calls. Default is 100000. =item SHOW_MENU If false, no menu related error are reported. Default is true. =begin :comment Used by Sectioning only =item TOP_NODE_UP Text for the up node of the Top node. The default is C<(dir)>. The string may contain @-commands. =end :comment =back =back =head2 Parsing Texinfo text There are three methods that may be called to parse some Texinfo code, C for a line, C for a text fragment, and C for a file. For all those functions, if the I<$parser> argument is undef, a new parser object is generated to parse the line, otherwise the parser given in argument is used to parse into a tree. When C is used, the resulting tree is rooted at a C type container. Otherwise, the resulting tree should be rooted at a C type container if it do not contain nodes or sections, at a C type container otherwise. =over =item $tree = parse_texi_line($parser, $text, $first_line_number, $file_name, $macro_name, $fixed_line_number) This function is used to parse a short fragment of Texinfo code. I<$text> may be either an array reference of lines, or a text. The other arguments are optional and allow to specify the position information of the Texinfo code. I<$first_line_number> is the line number of the first text line. I<$file_name> is the name of the file the text comes from. I<$macro> is for the user-defined macro name the text is expanded from. If I<$fixed_line_number> is set, the line number is not increased for the different lines, as if the text was the expansion of a macro. =item $tree = parse_texi_text ($parser, $text, $line_numbers_specification, $file_name, $macro_name, $fixed_line_number) This function is used to parse some Texinfo text. I<$text> may be either an array reference of lines, or a text. The other arguments are optional and allow to specify the position information of the Texinfo code. There are two distinct cases for I<$line_numbers_specification>. =over =item 1. If it is an array reference, it is considered to hold objects describing the position information of each text lines. =item 2. If I<$line_numbers_specification> is a scalar, it is the line number of the first text line. In that case (like for C), I<$file_name> is the name of the file the text comes from. I<$macro> is for the user-defined macro name the text is expanded from. If I<$fixed_line_number> is set, the line number is not increased for the different lines, as if the text was the expansion of a macro. =back =item $tree = parse_texi_file($parser, $file_name) The file with name I<$file_name> is considered to be a Texinfo file and is parsed into a tree. undef is returned if the file couldn't be read. =back The errors collected during the tree parsing are available through the C method. This method comes from C, and is described in L. =head2 Getting informations on the document After parsing some informations about the Texinfo code that was processed are available from the parser. Some global informations is available through C =over =item $info = global_informations($parser) The I<$info> returned is a hash reference. The possible keys are =over =item input_file_name The name of the main Texinfo input file. =item input_encoding_name =item input_perl_encoding C string is the encoding name used for the Texinfo code. C string is a corresponding perl encoding name. =item dircategory_direntry An array of successive C<@dircategory> and C<@direntry> as they appear in the document. =item unassociated_menus An array of menus that are not associated with a node. =back =back Some command lists are available, such that it is possible to go through the corresponding tree elements without walking the tree. They are available through C =over =item $commands = global_commands_information($parser) I<$commands> is an hash reference. The keys are @-command names. The associated values are array references containing all the corresponding tree elements. =back All the @-commands that have an associated label, that can be the target of cross references, C<@node>, C<@anchor> and C<@float> with label have a normalized name associated, constructed as described in the B node in the Texinfo manual. Those normalized labels and the association with @-commands is available through C: =over =item $labels_information = labels_information($parser) I<$labels_information> is a hash reference whose keys are normalized labels, and the associated value is the corresponding @-command. =back Information on C<@float> is also available, grouped by type of floats, each type correponding to potential C<@listoffloats>. This information is available through the method C. =over =item $float_types = floats_information($parser) I<$float_types> is a hash reference whose keys are normalized float types (the first float argument, or the C<@listoffloats> argument). The normalization is the same than for node names. The value is the list of float tree elements appearing in the texinfo document. =back Internal references, that is, @-commands that refers to node, anchors or floats within the document are also available: =over =item $internal_references_array = internal_references_information($parser); The function returns a list of cross reference commands referring to the same document. =back Information about defined indices, merged indices and index entries is also available through the C method. =over =item indices_information ($index_names, $merged_indices_hash) = indices_information($parser); The index names is a hash reference. The keys are =over =item in_code 1 if the index entries should be formatted as code, 0 in the opposite case. =item name The index name. =item prefix An array reference of prefix associated to the index. =item merged_in In case the index is merged to another index, this key holds the name of the index the index is merged into. It takes into account indirectly merged indices. =item contained_indices An hash reference holding names of indices that are merged to the index, including itself. It also contains indirectly merged indices. This key is present even if the index is itself later merged to another index. =item index_entries An array reference containing index entry structures for index entries associated with the index. The index entry could be associated to @-commands like C<@cindex>, or C<@item> in C<@vtable>, or definition commands entries like C<@deffn>. The keys of the index entry structures are =over =item index_name The index name. =item index_prefix The associated index prefix. =item index_at_command The name of the @-command associated with the index entry. =item index_type_command The @-command associated with the index entry allowing to find the index type. =item content An array reference corresponding to the index entry content. =item content_normalized An array reference corresponding to the index entry content, independent of the current language. =item command The element in the parsed tree associated with the @-command holding the index entry. =item node The node in the parsed tree containing the index entry. =item number The number of the index entry. =item region The region command (C<@copying>, C<@titlepage>) containing the index entry, if it is in such an environement. =back =back The following shows the references corresponding with the default indexes I and I, the I index having its entries formatted as code and the indices corresponding to the following texinfo @defindex some @defcodeindex code $index_names = {'cp' => {'name' => 'cp', 'in_code' => 0, 'prefix' => ['c', 'cp']}, 'fn' => {'name' => 'fn', 'in_code' => 1, 'prefix' => ['f', 'fn']}, 'some' => {'in_code' => 0}, 'code' => {'in_code' => 1}}; If C is not set, it is set to the index name. If C is not set, it is set to an array containing the index name. I<$merged_indices_hash> is a hash reference, the key is an index name merged in the value. =back =head2 Texinfo Parser options Setting those options is the same as seeing some Texinfo constructs in the document. =over =item aliases A hash reference. The key is a command name, the value is the alias, as could be set by C<@alias>. =item clickstyle A string, the command name associated with C<@clickstyle>. =item documentlanguage A string corresponding to a document language set by C<@documentlanguage>. =item explained_commands A hash reference of explained commands (currently abbr or acronym). The value is also a hash reference. The key of this hash is a normalized first argument of these commands, the value is a content array corresponding to the explanation associated with this first argument. For example giving as an option: 'explained_commands' => {'acronym' => {'EU' => [{'text' => 'European Union'}]} is the same as having the following texinfo code in the document: @acronym{EU, European Union} =item INPUT_ENCODING_NAME =item INPUT_PERL_ENCODING C string is the encoding name as set by C<@documentencoding>. C string is a corresponding perl encoding name. In general those two strings should be set simultaneously. =item indices If it is a hash reference, the keys are index names, the values are index prefix hash references. The index prefix hash reference values are prefix, the value is set if the corresponding index entries should be formatted as if in C<@code>. An example is as L. If it is an array reference, it is a list of index names, as if they were entered as @defindex name =item kbdinputstyle A string, the C<@kbdinputstyle> style. =item labels A hash reference. Keys are normalized node names as described in the B node in the Texinfo manual. Instead of a node, it may also be a float label or an anchor name. The value is the corresponding @-command element in the tree. =item macros The associated hash reference has as key user-defined macro names. The value is the reference on a macro definition element as obtained by the Parser when parsing a C<@macro>. For example @macro mymacro{arg} coucou \arg\ after arg @end macro Is associated to a macro definition element {'cmdname' => 'macro', 'args' => [{'text' => 'mymacro', 'type' => 'macro_name'}, {'text' => 'arg', 'type' => 'macro_arg}], 'contents' => [{'text' => "coucou \arg\ after arg\n", 'type' => 'raw'}], 'extra' => {'arg_line' => " mymacro{arg}\n", 'macrobody' => "coucou \arg\ after arg\n"}} = item merged_indices The associated hash reference holds merged indices information, each key is merged in the value. Same as setting C<@synindex> or C. =item novalidate If set, it is as if C<@novalidate> was set in the document. =item sections_level Modifier of the sections level. Same as calling C<@lowersections> or C<@raisesections>. =item values A hash reference. Keys are names, values are the corresponding values. Same as values set by C<@set>. =back =head1 TEXINFO TREE A Texinfo tree element (called element because node is overloaded in the Texinfo world) is an hash reference. There are three main category of tree element. Tree elements associated with an @-command have a C key holding the @-command name. Tree element corresponding to text fragments have a C key holding the corresponding text. The last category corresponds to other containers (hereafter called containers). In most case these containers have a C key holding their name. Text fragments and @-command elements may also have an associated type when such information is needed. The children of @-command or container elements are in the array correponding with the C key or with the C key. The C key is for arguments of @-commands, in braces or on the @-command line. C is also used for the elements of a menu entry, as a menu entry is well structured with a limited number of arguments. The C key array holds the contents of the texinfo code appearing within a block @-command, within a container, within a C<@node> or sectioning @-command. Another important key for the elements is the C key which is associated to a hash reference and holds all kinds of informations gathered during the parsing and that may help with the conversion. =head2 Element keys =over =item cmdname The command name of @-command elements. =item text The text fragment of text elements. =item type The type of the element. For C<@verb> it is the delimiter. But otherwise it is the type of element considered as a container. Frequent types encountered are I for a paragraph container, I for the container holding the brace @-commands contents, I and I contain the arguments appearing on the line of @-commands. Text fragments may have a type to give an information of the kind of text fragment, for example C is associated to spaces after a brace opening and before the argument. Many @-commands elements don't have a type associated. =item args Arguments in braces or on @-command line, and the elements of a menu entry. =item contents The Texinfo appearing in the element. For block commands, other containers, C<@node> and sectioning commands. =item parent The parent element. =item line_nr An hash reference corresponding to information on the location of the element in the Texinfo input manual. It should only be available for @-command elements, and only for @-commands that are considered to be complex enough that the location in the document is needed, for example to prepare an error message. The keys of the line number hash references are =over =item line_nr The line number of the @-command. =item file_name The file name where @-command appeared. =item macro The user macro name the @-command is expanded from. =back =item extra A hash reference holding any additional information. See L. =back =head2 The containers and types Some types are associated with @-commands. As said above, for C<@verb> the type is the delimiter. For a C<@value> command that is not expanded because there is no corresponding value set, the type is the value argument string. The following types also happen for @-commands: =over =item def_line This type may be associated with a definition command with a x form, like C<@defunx>, C<@defvrx>. For the form without x, the associated I is the first C element. It is described in more details below. =item command_as_argument This is the type of a command given in argument of C<@itemize>, C<@table>, C<@vtable> or C<@ftable>. For example in @itemize @bullet @item item @end itemize the element corresponding with bullet has the following keys: 'cmdname' => 'bullet' 'type' => 'command_as_argument' The parent @-command has an entry in extra for the I element: 'cmdname' => 'itemize' 'extra => {'command_as_argument' => $command_element_as_argument} =item index_entry_command This is the type of index entry command like C<@cindex>, and, more importantly user defined index entry commands. So for example if there is @defindex foo ... @fooindex index entry the C<@fooindex> @-command element will have the I type. =item following_arg This type is set for non alphabetic accent @-commands that don't use brace but instead have their argument right after them, as @~n =item space_command_arg This type is set for accent @-commands that don't use brace but instead have their argument after some space, as @ringaccent A =item definfoenclose_command This type is set for an @-command that is redefined by C<@definfoenclose>. The beginning is in C<< {'extra'}->{'begin'} >> and the end in C<< {'extra'}->{'end'} >>. =back The text elements may be associated to the following types: =over =item empty_line An empty line. =item raw Text in an environment where it should be kept as is (in C<@verbatim>, C<@verb>, C<@html>, C<@macro> body). =item last_raw_newline The last end of line in a raw block (except for C<@verbatim>). =item empty_line_after_command =item empty_spaces_after_command The text is spaces for I or spaces followed by a newline for I, appearing after a @-command that takes an argument on the line or a block @-commands. =item spaces_at_end Space at the end of a @-command line, at the end of some @-commands with braces or at the end of a bracketed content on a C<@multitable> line. =item empty_space_at_end_def_bracketed Space at the end of a bracketed content on definition line. =item space_at_end_block_command Space at the end of a block @-command line. =item empty_spaces_before_argument The text is spaces appearing after an opening brace of after a comma separated @-command arguments. =item empty_spaces_after_close_brace Spaces appearing after a closing brace, for some rare commands for which this space should be ignorable (like C<@caption>). =item empty_spaces_before_paragraph Space appearing before a paragraph beginning. =item preamble_text Text appearing before real content, including the C<\input texinfo.tex>. =item space_at_end_menu_node =item after_description_line Space after a node in the menu entry, when there is no description, and space appearing after the description line. =back Other special types are described in the following. =over =item text_root =item document_root =item root_line These types correspond to document roots. C is the document root when there is no C<@node> or sectioning command. When such a command appears, a new root container is used, C, and C becomes the first content of C. C is the type of the root tree when parsing Texinfo line fragments using C. =item preamble This container holds the text appearing before the first content, including the C<\input texinfo.tex> line and following blank lines. =item preamble_before_setfilename This container holds everything that appears before C<@setfilename> if I parser option is set. =item paragraph A paragraph. =item preformatted Texinfo code within a format that is not filled. Happens within some block commands as C<@example>, but also in menu (in menu descriptions, menu comments...). =item brace_command_arg =item brace_command_context =item block_line_arg =item misc_line_arg Those containers are within C of @-commands with braces for I, @-commands with braces that start a new context (C<@footnote>, C<@caption>, C<@math>) for I, block command argument on their line for I and other commands that take texinfo code as argument on their line (C<@settitle>, C<@node>, C<@section> and similar) for I. They hold the content of the command argument. For example @code{in code} leads to {'cmdname' => 'code', 'args' => [{'type' => 'brace_command_arg', 'contents' => [{'text' => 'in code'}]}]} =item misc_arg Argument of @-command taking specific textual arguments on the line. For example C<@set>, C<@clickstyle>, C<@unmacro>, C<@comment>. The argument is associated to the I key. =item menu_entry =item menu_entry_leading_text =item menu_entry_name =item menu_entry_separator =item menu_entry_node =item menu_entry_description A I holds a full menu entry, like * node:: description. The different elements of the menu entry are directly in the I C array reference. I holds the star and following spaces. I is the menu entry name (if present), I corresponds to the node in the menu entry, I holds the text after the node and before the description, in most case C<:: >. Last I is for the description. =item menu_comment The I container holds what is between menu entries in menus. For example in @menu Menu title * entry:: Between entries * other:: @end menu Both Menu title and Between entries will be in I. =item macro_name =item macro_arg Taken from C<@macro> definition and put in the C key array of the macro, I is the type of the text fragment corresponding to the macro name, I is the type of the text fragments correponding to macro formal arguments. =item before_item A container for content before the first C<@item> of block @-commands with items (C<@table>, C<@multitable>, C<@enumerate>...). =item table_entry =item table_term =item table_item =item inter_item Those containers appear in C<@table>, C<@ftable> and C<@vtable>. A I container contains C<@item> and C<@itemx> and the text following the C<@item> and C<@itemx> entries. A I container holds all the C<@item> and C<@itemx> of the I. The I container holds the content following the I. If there is some content before an C<@itemx> (normally only comments, empty lines or maybe index entriees are allowed), it will be in a container with type I. =item def_line =item def_item =item inter_def_item The I type is either associated with a container within a definition command, or is the type of a definition command with a x form, like C<@deffnx>. It holds the definition line arguments. The container with type I holds the definition text content. Content appearing before a definition command with a x form is in an I container. =item multitable_head =item multitable_body =item row In C<@multitable>, a I container contains all the row with C<@headitem>, while I contains the rows associated with C<@item>. A I container contains the C<@item> and @ forming a row. =item bracketed This a special type containing content in brackets in the context where they are valid, in C<@math>. =item bracketed_def_content Content in brackets on definition command lines. =item bracketed_multitable_prototype =item row_prototype On C<@multitable> line, content in brackets is in I, text not in brackets is in I. =back =head2 Information available in the extra key Some extra keys are available for more than one @-command: =over =item block_command_line_contents =item brace_command_contents An array associated with block @-commands or @-commands with braces taking more than one argument or with a simple text content (C<@anchor>, C<@titlefont>, C<@dmn>). Each of the element of the array is either undef, if there is no argument at that place, or an array reference holding the argument contents. =item misc_content The contents of an @-command taking regular Texinfo code as argument, like C<@sttitle> or C<@exdent>. =item end_command The C<@end> associated to the block @-command. =item missing_argument Set for some @-commands with line arguments and a missing argument. =item invalid_nesting Set if the @-command appears in a context it shouldn't appear in, like a block @-command on sectioning @-command line. =item arg_line The string correspond to the line after the @-command for @-commands that have special arguments on their line, and for C<@macro> line. =item text_arg The string correspond to the line after the @-command for @-commands that have an argument interpreted as simple text, like C<@setfilename>, C<@end> or C<@documentencoding>. =item index_entry The index entry information (described in L in details) is associated to @-commands that have an associated index entry. =item misc_args An array holding strings, the arguments of @-commands taking simple textual arguments as arguments, like C<@everyheadingmarks>, C<@frenchspacing>, C<@alias>, C<@synindex>, C<@columnfractions>. Also filled for C<@set>, C<@clickstyle>, C<@unmacro> or C<@comment> arguments. =item spaces_after_command For @-commands followed by spaces, a reference to the corresponding text element. =item spaces_before_argument For @-commands with opening brace followed by spaces held in a C element, a reference to that element. =item spaces For accent commands consisting in letter only, like C<@ringaccent> appearing like @ringaccent A there is a I key which holds the spaces appearing between the command and the argument. =back Then there are extra keys specific of @-commands or containers. =over =item C<@macro> I is set if there was an error on the C<@macro> line. The key I associates format arguments with their index on the @macro line formal arguments definition. The I holds the @macro body. I holds the line after C<@macro>. =item C<@node> The arguments are in the I array. Each of the entry has a I key for an array holding the corresponding content, a I if there is an associated external manual name, and I key for the normalized label, built as specified in the Texinfo manual in the B node. An I key holds the tree element of the sectioning command that follows the node. =item C<@part> The next sectioning command is in I. =item sectioning command The node preceding the command is in I. The part preceding the command is in I. If the level of the document was modified by C<@raisections> or C<@lowersections>, the differential level is in I. =item C<@float> =item C<@listoffloats> If float has a second argument, and for C<@listoffloats> argument there is a I key which is also a hash reference, with two keys. I is an array holding the associated contents, I holds the normalized float type. I and I holds the corresponding tree elements for float. The C<@caption> or C<@shortcaption> have the float tree element stored in I. =item C<@float> =item C<@anchor> @-Commands that are targets for cross references have a I key for the normalized label, built as specified in the Texinfo manual in the B node. There is also a I key for an array holding the corresponding content. C<@anchor> also has I set to the special region name if in a special region (C<@copying>, C<@titlepage>). =item C<@ref> =item C<@xref> =item C<@pxref> =item C<@inforef> The I entry holds a parsed node entry, like the one appearing in the I array for C<@node>. =item C<@abbr> =item C<@acronym> The first argument normalized is in I. If there is no second argument, but a second argument appeared previously for the same first argument, the second argument content of the previous command is stored in I. =item definition command I holds the command name, without x if it is an x form of a definition command. I is the original def command. If it is an x form, it has I set if not appearing after the definition command without x. =item def_line The I extra key holds an array reference corresponding to the parsed definition line argument. Each of the the element of the array is a two element array reference. The first element is the type which could be I for a space, types specific of the definition, like I, I, I, I, and, at the end, a mix of I, I, I depending on the definition. The second element is a hash reference holding the content of the type. The I hash reference has as key the type specific of the definition, and as value the corresponding content tree. =item C<@multitable> The key I holds the maximal number of columns. If there are prototypes on the line they are in the array associated with I. In that case, I also holds this information, and, in addition, keeps spaces with type C. If there is a C<@columnfractions> as argument, then the I key is associated with the array of columnfractions arguments, holding all the column fractions. =item C<@enumerate> The extra key I contains the enumerate argument. =item C<@itemize> =item C<@table> =item C<@vtable> =item C<@ftable> The I extra key points on the @-command on as argument on the @-command line. =item paragraph The I or I key value is set if the corresponding @-commands are associated with that paragraph. =item C<@item> in C<@enumerate> or C<@itemize> The I extra key holds the number of this item. =item C<@item> and C<@tab> in C<@multitable> The I index key holds the index of the column of the cell. =item row The I index key holds the index of the row in the C<@multitable>. =item C<@author> If in a C<@titlepage>, the titlepage is in I, if in C<@quotation> or C<@smallquotation>, the corresponding tree element is in I. The author tree element is in the I array of the C<@titlepage> or the C<@quotation> or C<@smallquotation> it is associated with. =item C<@ifclear> =item C<@ifset> The original line is in I. =item C<@end> The textual argument is in I. The corresponding @-command is in I. =item C<@documentencoding> The argument, normalized is in I if it is recognized. The corresponding perl encoding name is in I. =item C<@click> In I there is the current clickstyle command. =item C<@kbd> I is set depending on the context and C<@kbdinputstyle>. =item definfoenclose defined commands I holds the string beginning the definfoenclose, I holds the string ending the definfoenclose. =item menu_entry The I and I keys are associated with the corresponding tree elements. The I holds the parsed node entry, like the one appearing in the I array for C<@node>. =item empty_line_after_command The corresponding command is in I. =item C<@inlinefmt> =item C<@inlineraw> =item C<@inlinefmtifelse> =item C<@inlineifclear> =item C<@inlineifset> The first argument is in I. If an argument has been determined as being expanded by the Parser, the index of this argument is in I. Index numbering begins at 0, but the first argument is always the format or flag name, so, if set, it should be 1 or 2 for C<@inlinefmtifelse>, and 1 for other commands. =back =head1 SEE ALSO L =begin :comment Mention other useful documentation such as the documentation of related modules or operating system documentation (such as man pages in UNIX), or any relevant external documentation such as RFCs or standards. If you have a mailing list set up for your module, mention it here. If you have a web site set up for your module, mention it here. =end :comment =head1 AUTHOR Patrice Dumas, Epertusus@free.frE =head1 COPYRIGHT AND LICENSE Copyright 2010, 2011, 2012 Free Software Foundation, Inc. This library is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. =cut