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-rw-r--r--Master/tlpkg/tlperl/lib/Module/Build/YAML.pm603
1 files changed, 11 insertions, 592 deletions
diff --git a/Master/tlpkg/tlperl/lib/Module/Build/YAML.pm b/Master/tlpkg/tlperl/lib/Module/Build/YAML.pm
index 2da91f22563..133dee54274 100644
--- a/Master/tlpkg/tlperl/lib/Module/Build/YAML.pm
+++ b/Master/tlpkg/tlperl/lib/Module/Build/YAML.pm
@@ -1,600 +1,19 @@
-# Adapted from YAML::Tiny 1.40
package Module::Build::YAML;
-
use strict;
-use Carp 'croak';
-
-# UTF Support?
-sub HAVE_UTF8 () { $] >= 5.007003 }
-BEGIN {
- if ( HAVE_UTF8 ) {
- # The string eval helps hide this from Test::MinimumVersion
- eval "require utf8;";
- die "Failed to load UTF-8 support" if $@;
- }
-
- # Class structure
- require 5.004;
-
- $Module::Build::YAML::VERSION = '1.40';
-
- # Error storage
- $Module::Build::YAML::errstr = '';
-}
-
-# The character class of all characters we need to escape
-# NOTE: Inlined, since it's only used once
-# my $RE_ESCAPE = '[\\x00-\\x08\\x0b-\\x0d\\x0e-\\x1f\"\n]';
-
-# Printed form of the unprintable characters in the lowest range
-# of ASCII characters, listed by ASCII ordinal position.
-my @UNPRINTABLE = qw(
- z x01 x02 x03 x04 x05 x06 a
- x08 t n v f r x0e x0f
- x10 x11 x12 x13 x14 x15 x16 x17
- x18 x19 x1a e x1c x1d x1e x1f
-);
-
-# Printable characters for escapes
-my %UNESCAPES = (
- z => "\x00", a => "\x07", t => "\x09",
- n => "\x0a", v => "\x0b", f => "\x0c",
- r => "\x0d", e => "\x1b", '\\' => '\\',
-);
-
-# Special magic boolean words
-my %QUOTE = map { $_ => 1 } qw{
- null Null NULL
- y Y yes Yes YES n N no No NO
- true True TRUE false False FALSE
- on On ON off Off OFF
-};
-
-#####################################################################
-# Implementation
-
-# Create an empty Module::Build::YAML object
-sub new {
- my $class = shift;
- bless [ @_ ], $class;
-}
-
-# Create an object from a file
-sub read {
- my $class = ref $_[0] ? ref shift : shift;
-
- # Check the file
- my $file = shift or return $class->_error( 'You did not specify a file name' );
- return $class->_error( "File '$file' does not exist" ) unless -e $file;
- return $class->_error( "'$file' is a directory, not a file" ) unless -f _;
- return $class->_error( "Insufficient permissions to read '$file'" ) unless -r _;
-
- # Slurp in the file
- local $/ = undef;
- local *CFG;
- unless ( open(CFG, $file) ) {
- return $class->_error("Failed to open file '$file': $!");
- }
- my $contents = <CFG>;
- unless ( close(CFG) ) {
- return $class->_error("Failed to close file '$file': $!");
- }
-
- $class->read_string( $contents );
-}
-
-# Create an object from a string
-sub read_string {
- my $class = ref $_[0] ? ref shift : shift;
- my $self = bless [], $class;
- my $string = $_[0];
- unless ( defined $string ) {
- return $self->_error("Did not provide a string to load");
- }
-
- # Byte order marks
- # NOTE: Keeping this here to educate maintainers
- # my %BOM = (
- # "\357\273\277" => 'UTF-8',
- # "\376\377" => 'UTF-16BE',
- # "\377\376" => 'UTF-16LE',
- # "\377\376\0\0" => 'UTF-32LE'
- # "\0\0\376\377" => 'UTF-32BE',
- # );
- if ( $string =~ /^(?:\376\377|\377\376|\377\376\0\0|\0\0\376\377)/ ) {
- return $self->_error("Stream has a non UTF-8 BOM");
- } else {
- # Strip UTF-8 bom if found, we'll just ignore it
- $string =~ s/^\357\273\277//;
- }
-
- # Try to decode as utf8
- utf8::decode($string) if HAVE_UTF8;
-
- # Check for some special cases
- return $self unless length $string;
- unless ( $string =~ /[\012\015]+\z/ ) {
- return $self->_error("Stream does not end with newline character");
- }
-
- # Split the file into lines
- my @lines = grep { ! /^\s*(?:\#.*)?\z/ }
- split /(?:\015{1,2}\012|\015|\012)/, $string;
-
- # Strip the initial YAML header
- @lines and $lines[0] =~ /^\%YAML[: ][\d\.]+.*\z/ and shift @lines;
-
- # A nibbling parser
- while ( @lines ) {
- # Do we have a document header?
- if ( $lines[0] =~ /^---\s*(?:(.+)\s*)?\z/ ) {
- # Handle scalar documents
- shift @lines;
- if ( defined $1 and $1 !~ /^(?:\#.+|\%YAML[: ][\d\.]+)\z/ ) {
- push @$self, $self->_read_scalar( "$1", [ undef ], \@lines );
- next;
- }
- }
-
- if ( ! @lines or $lines[0] =~ /^(?:---|\.\.\.)/ ) {
- # A naked document
- push @$self, undef;
- while ( @lines and $lines[0] !~ /^---/ ) {
- shift @lines;
- }
-
- } elsif ( $lines[0] =~ /^\s*\-/ ) {
- # An array at the root
- my $document = [ ];
- push @$self, $document;
- $self->_read_array( $document, [ 0 ], \@lines );
-
- } elsif ( $lines[0] =~ /^(\s*)\S/ ) {
- # A hash at the root
- my $document = { };
- push @$self, $document;
- $self->_read_hash( $document, [ length($1) ], \@lines );
-
- } else {
- croak("Module::Build::YAML failed to classify the line '$lines[0]'");
- }
- }
-
- $self;
-}
-
-# Deparse a scalar string to the actual scalar
-sub _read_scalar {
- my ($self, $string, $indent, $lines) = @_;
-
- # Trim trailing whitespace
- $string =~ s/\s*\z//;
-
- # Explitic null/undef
- return undef if $string eq '~';
-
- # Quotes
- if ( $string =~ /^\'(.*?)\'\z/ ) {
- return '' unless defined $1;
- $string = $1;
- $string =~ s/\'\'/\'/g;
- return $string;
- }
- if ( $string =~ /^\"((?:\\.|[^\"])*)\"\z/ ) {
- # Reusing the variable is a little ugly,
- # but avoids a new variable and a string copy.
- $string = $1;
- $string =~ s/\\"/"/g;
- $string =~ s/\\([never\\fartz]|x([0-9a-fA-F]{2}))/(length($1)>1)?pack("H2",$2):$UNESCAPES{$1}/gex;
- return $string;
- }
-
- # Special cases
- if ( $string =~ /^[\'\"!&]/ ) {
- croak("Module::Build::YAML does not support a feature in line '$lines->[0]'");
- }
- return {} if $string eq '{}';
- return [] if $string eq '[]';
-
- # Regular unquoted string
- return $string unless $string =~ /^[>|]/;
-
- # Error
- croak("Module::Build::YAML failed to find multi-line scalar content") unless @$lines;
-
- # Check the indent depth
- $lines->[0] =~ /^(\s*)/;
- $indent->[-1] = length("$1");
- if ( defined $indent->[-2] and $indent->[-1] <= $indent->[-2] ) {
- croak("Module::Build::YAML found bad indenting in line '$lines->[0]'");
- }
-
- # Pull the lines
- my @multiline = ();
- while ( @$lines ) {
- $lines->[0] =~ /^(\s*)/;
- last unless length($1) >= $indent->[-1];
- push @multiline, substr(shift(@$lines), length($1));
- }
-
- my $j = (substr($string, 0, 1) eq '>') ? ' ' : "\n";
- my $t = (substr($string, 1, 1) eq '-') ? '' : "\n";
- return join( $j, @multiline ) . $t;
-}
-
-# Parse an array
-sub _read_array {
- my ($self, $array, $indent, $lines) = @_;
-
- while ( @$lines ) {
- # Check for a new document
- if ( $lines->[0] =~ /^(?:---|\.\.\.)/ ) {
- while ( @$lines and $lines->[0] !~ /^---/ ) {
- shift @$lines;
- }
- return 1;
- }
-
- # Check the indent level
- $lines->[0] =~ /^(\s*)/;
- if ( length($1) < $indent->[-1] ) {
- return 1;
- } elsif ( length($1) > $indent->[-1] ) {
- croak("Module::Build::YAML found bad indenting in line '$lines->[0]'");
- }
-
- if ( $lines->[0] =~ /^(\s*\-\s+)[^\'\"]\S*\s*:(?:\s+|$)/ ) {
- # Inline nested hash
- my $indent2 = length("$1");
- $lines->[0] =~ s/-/ /;
- push @$array, { };
- $self->_read_hash( $array->[-1], [ @$indent, $indent2 ], $lines );
-
- } elsif ( $lines->[0] =~ /^\s*\-(\s*)(.+?)\s*\z/ ) {
- # Array entry with a value
- shift @$lines;
- push @$array, $self->_read_scalar( "$2", [ @$indent, undef ], $lines );
-
- } elsif ( $lines->[0] =~ /^\s*\-\s*\z/ ) {
- shift @$lines;
- unless ( @$lines ) {
- push @$array, undef;
- return 1;
- }
- if ( $lines->[0] =~ /^(\s*)\-/ ) {
- my $indent2 = length("$1");
- if ( $indent->[-1] == $indent2 ) {
- # Null array entry
- push @$array, undef;
- } else {
- # Naked indenter
- push @$array, [ ];
- $self->_read_array( $array->[-1], [ @$indent, $indent2 ], $lines );
- }
-
- } elsif ( $lines->[0] =~ /^(\s*)\S/ ) {
- push @$array, { };
- $self->_read_hash( $array->[-1], [ @$indent, length("$1") ], $lines );
-
- } else {
- croak("Module::Build::YAML failed to classify line '$lines->[0]'");
- }
-
- } elsif ( defined $indent->[-2] and $indent->[-1] == $indent->[-2] ) {
- # This is probably a structure like the following...
- # ---
- # foo:
- # - list
- # bar: value
- #
- # ... so lets return and let the hash parser handle it
- return 1;
-
- } else {
- croak("Module::Build::YAML failed to classify line '$lines->[0]'");
- }
- }
-
- return 1;
-}
-
-# Parse an array
-sub _read_hash {
- my ($self, $hash, $indent, $lines) = @_;
-
- while ( @$lines ) {
- # Check for a new document
- if ( $lines->[0] =~ /^(?:---|\.\.\.)/ ) {
- while ( @$lines and $lines->[0] !~ /^---/ ) {
- shift @$lines;
- }
- return 1;
- }
-
- # Check the indent level
- $lines->[0] =~ /^(\s*)/;
- if ( length($1) < $indent->[-1] ) {
- return 1;
- } elsif ( length($1) > $indent->[-1] ) {
- croak("Module::Build::YAML found bad indenting in line '$lines->[0]'");
- }
-
- # Get the key
- unless ( $lines->[0] =~ s/^\s*([^\'\" ][^\n]*?)\s*:(\s+|$)// ) {
- if ( $lines->[0] =~ /^\s*[?\'\"]/ ) {
- croak("Module::Build::YAML does not support a feature in line '$lines->[0]'");
- }
- croak("Module::Build::YAML failed to classify line '$lines->[0]'");
- }
- my $key = $1;
-
- # Do we have a value?
- if ( length $lines->[0] ) {
- # Yes
- $hash->{$key} = $self->_read_scalar( shift(@$lines), [ @$indent, undef ], $lines );
- } else {
- # An indent
- shift @$lines;
- unless ( @$lines ) {
- $hash->{$key} = undef;
- return 1;
- }
- if ( $lines->[0] =~ /^(\s*)-/ ) {
- $hash->{$key} = [];
- $self->_read_array( $hash->{$key}, [ @$indent, length($1) ], $lines );
- } elsif ( $lines->[0] =~ /^(\s*)./ ) {
- my $indent2 = length("$1");
- if ( $indent->[-1] >= $indent2 ) {
- # Null hash entry
- $hash->{$key} = undef;
- } else {
- $hash->{$key} = {};
- $self->_read_hash( $hash->{$key}, [ @$indent, length($1) ], $lines );
- }
- }
- }
- }
-
- return 1;
-}
-
-# Save an object to a file
-sub write {
- my $self = shift;
- my $file = shift or return $self->_error('No file name provided');
-
- # Write it to the file
- open( CFG, '>' . $file ) or return $self->_error(
- "Failed to open file '$file' for writing: $!"
- );
- print CFG $self->write_string;
- close CFG;
-
- return 1;
-}
-
-# Save an object to a string
-sub write_string {
- my $self = shift;
- return '' unless @$self;
-
- # Iterate over the documents
- my $indent = 0;
- my @lines = ();
- foreach my $cursor ( @$self ) {
- push @lines, '---';
-
- # An empty document
- if ( ! defined $cursor ) {
- # Do nothing
-
- # A scalar document
- } elsif ( ! ref $cursor ) {
- $lines[-1] .= ' ' . $self->_write_scalar( $cursor, $indent );
-
- # A list at the root
- } elsif ( ref $cursor eq 'ARRAY' ) {
- unless ( @$cursor ) {
- $lines[-1] .= ' []';
- next;
- }
- push @lines, $self->_write_array( $cursor, $indent, {} );
-
- # A hash at the root
- } elsif ( ref $cursor eq 'HASH' ) {
- unless ( %$cursor ) {
- $lines[-1] .= ' {}';
- next;
- }
- push @lines, $self->_write_hash( $cursor, $indent, {} );
-
- } else {
- croak("Cannot serialize " . ref($cursor));
- }
- }
-
- join '', map { "$_\n" } @lines;
-}
-
-sub _write_scalar {
- my $string = $_[1];
- return '~' unless defined $string;
- return "''" unless length $string;
- if ( $string =~ /[\x00-\x08\x0b-\x0d\x0e-\x1f\"\'\n]/ ) {
- $string =~ s/\\/\\\\/g;
- $string =~ s/"/\\"/g;
- $string =~ s/\n/\\n/g;
- $string =~ s/([\x00-\x1f])/\\$UNPRINTABLE[ord($1)]/g;
- return qq|"$string"|;
- }
- if ( $string =~ /(?:^\W|\s)/ or $QUOTE{$string} ) {
- return "'$string'";
- }
- return $string;
-}
-
-sub _write_array {
- my ($self, $array, $indent, $seen) = @_;
- if ( $seen->{refaddr($array)}++ ) {
- die "Module::Build::YAML does not support circular references";
- }
- my @lines = ();
- foreach my $el ( @$array ) {
- my $line = (' ' x $indent) . '-';
- my $type = ref $el;
- if ( ! $type ) {
- $line .= ' ' . $self->_write_scalar( $el, $indent + 1 );
- push @lines, $line;
-
- } elsif ( $type eq 'ARRAY' ) {
- if ( @$el ) {
- push @lines, $line;
- push @lines, $self->_write_array( $el, $indent + 1, $seen );
- } else {
- $line .= ' []';
- push @lines, $line;
- }
-
- } elsif ( $type eq 'HASH' ) {
- if ( keys %$el ) {
- push @lines, $line;
- push @lines, $self->_write_hash( $el, $indent + 1, $seen );
- } else {
- $line .= ' {}';
- push @lines, $line;
- }
-
- } else {
- die "Module::Build::YAML does not support $type references";
- }
- }
-
- @lines;
-}
-
-sub _write_hash {
- my ($self, $hash, $indent, $seen) = @_;
- if ( $seen->{refaddr($hash)}++ ) {
- die "Module::Build::YAML does not support circular references";
- }
- my @lines = ();
- foreach my $name ( sort keys %$hash ) {
- my $el = $hash->{$name};
- my $line = (' ' x $indent) . "$name:";
- my $type = ref $el;
- if ( ! $type ) {
- $line .= ' ' . $self->_write_scalar( $el, $indent + 1 );
- push @lines, $line;
-
- } elsif ( $type eq 'ARRAY' ) {
- if ( @$el ) {
- push @lines, $line;
- push @lines, $self->_write_array( $el, $indent + 1, $seen );
- } else {
- $line .= ' []';
- push @lines, $line;
- }
-
- } elsif ( $type eq 'HASH' ) {
- if ( keys %$el ) {
- push @lines, $line;
- push @lines, $self->_write_hash( $el, $indent + 1, $seen );
- } else {
- $line .= ' {}';
- push @lines, $line;
- }
-
- } else {
- die "Module::Build::YAML does not support $type references";
- }
- }
-
- @lines;
-}
-
-# Set error
-sub _error {
- $Module::Build::YAML::errstr = $_[1];
- undef;
-}
-
-# Retrieve error
-sub errstr {
- $Module::Build::YAML::errstr;
-}
-
-#####################################################################
-# YAML Compatibility
-
-sub Dump {
- Module::Build::YAML->new(@_)->write_string;
-}
-
-sub Load {
- my $self = Module::Build::YAML->read_string(@_);
- unless ( $self ) {
- croak("Failed to load YAML document from string");
- }
- if ( wantarray ) {
- return @$self;
- } else {
- # To match YAML.pm, return the last document
- return $self->[-1];
- }
-}
-
-BEGIN {
- *freeze = *Dump;
- *thaw = *Load;
-}
-
-sub DumpFile {
- my $file = shift;
- Module::Build::YAML->new(@_)->write($file);
-}
+use CPAN::Meta::YAML 0.002 ();
+our @ISA = qw(CPAN::Meta::YAML);
+our $VERSION = '1.41';
+1;
-sub LoadFile {
- my $self = Module::Build::YAML->read($_[0]);
- unless ( $self ) {
- croak("Failed to load YAML document from '" . ($_[0] || '') . "'");
- }
- if ( wantarray ) {
- return @$self;
- } else {
- # Return only the last document to match YAML.pm,
- return $self->[-1];
- }
-}
+=head1 NAME
-#####################################################################
-# Use Scalar::Util if possible, otherwise emulate it
+Module::Build::YAML - DEPRECATED
-BEGIN {
- eval {
- require Scalar::Util;
- };
- if ( $@ ) {
- # Failed to load Scalar::Util
- eval <<'END_PERL';
-sub refaddr {
- my $pkg = ref($_[0]) or return undef;
- if (!!UNIVERSAL::can($_[0], 'can')) {
- bless $_[0], 'Scalar::Util::Fake';
- } else {
- $pkg = undef;
- }
- "$_[0]" =~ /0x(\w+)/;
- my $i = do { local $^W; hex $1 };
- bless $_[0], $pkg if defined $pkg;
- $i;
-}
-END_PERL
- } else {
- Scalar::Util->import('refaddr');
- }
-}
+=head1 DESCRIPTION
-1;
+This module was originally an inline copy of L<YAML::Tiny>. It has been
+deprecated in favor of using L<CPAN::Meta::YAML> directly. This module is kept
+as a subclass wrapper for compatibility.
-__END__
+=cut
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-19 03:45:22 +0000