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Diffstat (limited to 'Master/texmf-dist/scripts/latexindent/LatexIndent/Else.pm')
-rw-r--r-- | Master/texmf-dist/scripts/latexindent/LatexIndent/Else.pm | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/Master/texmf-dist/scripts/latexindent/LatexIndent/Else.pm b/Master/texmf-dist/scripts/latexindent/LatexIndent/Else.pm new file mode 100644 index 00000000000..878a68dc1cb --- /dev/null +++ b/Master/texmf-dist/scripts/latexindent/LatexIndent/Else.pm @@ -0,0 +1,109 @@ +package LatexIndent::Else; +# 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. +# +# See http://www.gnu.org/licenses/. +# +# Chris Hughes, 2017 +# +# For all communication, please visit: https://github.com/cmhughes/latexindent.pl +use strict; +use warnings; +use LatexIndent::Tokens qw/%tokens/; +use LatexIndent::TrailingComments qw/$trailingCommentRegExp/; +use LatexIndent::Switches qw/$is_m_switch_active $is_t_switch_active $is_tt_switch_active/; +use Data::Dumper; +use Exporter qw/import/; +our @ISA = "LatexIndent::Document"; # class inheritance, Programming Perl, pg 321 +our @EXPORT_OK = qw/check_for_else_statement/; +our $elseCounter; + +# store the regular expresssion for matching and replacing the \else statements +our $elseRegExp = qr/ + ( + \\else + \h* # possible horizontal space + (\R*) # possible line breaks after \else statement + ) + (.*?)$ + /sx; + +sub check_for_else_statement{ + my $self = shift; + $self->logger("Looking for \\else statement (${$self}{name})",'heading') if $is_t_switch_active; + + ${$self}{body} =~ s/$elseRegExp(\h*)($trailingCommentRegExp)? + / # log file output + $self->logger("else found: ${$self}{name}",'heading')if $is_t_switch_active; + + # create a new IfElseFi object + my $else = LatexIndent::Else->new(begin=>$1, + name=>${$self}{name}, + storageNameAppend=>"else", + body=>$3, + end=>q(), + linebreaksAtEnd=>{ + begin=>$2?1:0, + body=>0, + end=>0, + }, + aliases=>{ + # begin statements + BeginStartsOnOwnLine=>"ElseStartsOnOwnLine", + # end statements + BodyStartsOnOwnLine=>"ElseFinishesWithLineBreak", + }, + modifyLineBreaksYamlName=>"ifElseFi", + endImmediatelyFollowedByComment=>0, + horizontalTrailingSpace=>q(), + ); + # the settings and storage of most objects has a lot in common + $self->get_settings_and_store_new_object($else); + ${@{${$self}{children}}[-1]}{replacementText}; + /xse; + return; +} + +sub remove_line_breaks_begin{ + # the \else command can need a trailing white space if the line breaks have been removed after it and + # there is no white space + my $self = shift; + my $BodyStringLogFile = ${$self}{aliases}{BodyStartsOnOwnLine}||"BodyStartsOnOwnLine"; + $self->logger("Removing linebreak at the end of begin (see $BodyStringLogFile)"); + ${$self}{begin} =~ s/\R*$//sx; + ${$self}{begin} .= " " unless(${$self}{begin} =~ m/\h$/s or ${$self}{body} =~ m/^\h/s or ${$self}{body} =~ m/^\R/s ); + ${$self}{linebreaksAtEnd}{begin} = 0; +} + +sub tasks_particular_to_each_object{ + my $self = shift; + + # search for headings (important to do this before looking for commands!) + $self->find_heading; + + # search for commands and special code blocks + $self->find_commands_or_key_equals_values_braces_and_special; + return; +} + +sub get_indentation_information{ + return q(); +} + +sub create_unique_id{ + my $self = shift; + + $elseCounter++; + + ${$self}{id} = "$tokens{else}$elseCounter"; + return; +} + +1; |