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# You may distribute under the terms of either the GNU General Public License |
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# or the Artistic License (the same terms as Perl itself) |
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# |
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# (C) Paul Evans, 2011-2022 -- leonerd@leonerd.org.uk |
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package Parse::Man 0.03; |
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use v5.14; |
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use warnings; |
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use utf8; |
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use base qw( Parser::MGC ); |
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use constant pattern_ws => qr/[ \t]+/; |
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=head1 NAME |
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C - parse nroff-formatted manpages |
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=head1 DESCRIPTION |
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This abstract subclass of L recognises F grammar from a |
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file or string value. It invokes methods when various F directives are |
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encountered. It is intended that this class be used as a base class, with |
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methods provided to handle the various directives and formatting options. |
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Typically a subclass will store intermediate results in a data structure, |
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building it as directed by these method invocations. |
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=cut |
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sub from_file |
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{ |
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1
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my $self = shift; |
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my ( $file ) = @_; |
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0
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if( $file =~ m/\.gz$/ ) { |
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return $self->SUPER::from_file( $file, binmode => ":gzip" ); |
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} |
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else { |
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return $self->SUPER::from_file( $file ); |
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} |
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} |
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sub parse |
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{ |
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15678
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my $self = shift; |
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48
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162
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$self->_change_para_options( |
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mode => "P", |
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filling => 1, |
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indent => 0, |
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); |
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94
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$self->{para_flushed} = 0; |
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55
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158
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$self->sequence_of( \&parse_line ); |
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} |
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58
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sub token_nl |
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{ |
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0
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my $self = shift; |
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115
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$self->expect( "\n" ); |
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} |
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64
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sub token_chunk |
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{ |
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0
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2306
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my $self = shift; |
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68
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72
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160
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$self->skip_ws; |
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70
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# A single chunk is either "quoted sequence" or whitespace-separated |
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return $self->any_of( |
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72
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72
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925
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sub { $self->committed_scope_of( '"', "_escaped", qr/"|$/m ) }, |
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5098
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sub { $self->_escaped( 1 ) }, |
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843
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); |
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} |
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77
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sub _escaped |
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{ |
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431
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my $self = shift; |
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72
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120
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my ( $break_on_space ) = @_; |
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94
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my $ret = ""; |
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83
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72
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80
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my $consumed = 0; |
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85
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$consumed++ while $self->any_of( |
86
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120
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120
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1371
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sub { my $esc = ( $self->expect( qr/\\(?|\((..)|(.))/ ) )[1]; |
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1
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56
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$self->commit; |
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1
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$ret .= $self->parse_escape( $esc ); |
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1
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13
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1; |
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}, |
91
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119
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100
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119
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7492
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sub { length( my $more = $self->substring_before( $break_on_space ? qr/[\\\n\s]/ : qr/[\\\n]/ ) ) or return 0; |
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100
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92
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1599
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$ret .= $more; |
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475
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1 }, |
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0
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0
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0
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sub { 0 }, |
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72
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411
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); |
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97
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100
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2103
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$consumed or $self->fail( "Expected a chunk" ); |
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99
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48
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209
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return $ret; |
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} |
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102
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sub parse_chunks |
103
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{ |
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22
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0
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my $self = shift; |
105
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22
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26
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@{ $self->sequence_of( \&token_chunk ) }; |
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86
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106
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} |
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108
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sub parse_chunks_flat |
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{ |
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12
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0
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18
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my $self = shift; |
111
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12
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32
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return join " ", $self->parse_chunks; |
112
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} |
113
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114
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sub parse_line |
115
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{ |
116
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100
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100
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0
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7485
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my $self = shift; |
117
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118
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100
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269
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$self->commit; |
119
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120
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$self->any_of( |
121
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sub { |
122
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100
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100
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1384
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my $directive = ( $self->expect( qr/\.([A-Z]+)/i ) )[1]; |
123
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52
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3181
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$self->commit; |
124
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297
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$self->${\"parse_directive_$directive"}( $self ); |
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311
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125
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52
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635
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$self->token_nl; |
126
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}, |
127
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sub { |
128
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# comments |
129
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48
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48
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4355
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$self->expect( qr/\.\\".*?\n/ ); |
130
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}, |
131
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sub { |
132
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48
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48
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3058
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$self->commit; |
133
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$self->scope_of( undef, sub { |
134
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48
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884
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$self->{fonts} = [ "R" ]; |
135
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48
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141
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$self->parse_plaintext; |
136
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48
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397
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}, "\n" ); |
137
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}, |
138
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100
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1009
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); |
139
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} |
140
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141
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=head1 TEXT CHUNK FORMATTING METHOD |
142
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143
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The following method is used to handle formatted text. Each call is passed a |
144
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plain string value from the input content. |
145
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146
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=cut |
147
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148
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=head2 chunk |
149
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150
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$parser->chunk( $text, %opts ) |
151
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152
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The C<%opts> hash contains the following options: |
153
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154
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=over 4 |
155
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156
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=item font => STRING |
157
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158
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The name of the current font (C, C, etc..) |
159
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160
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=item size => INT |
161
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162
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The current text size, relative to a paragraph base of 0. |
163
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164
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=back |
165
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166
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=cut |
167
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168
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sub parse_directive_B |
169
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{ |
170
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4
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4
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0
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6
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my $self = shift; |
171
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4
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15
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$self->_flush_para; |
172
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4
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17
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$self->chunk( $self->parse_chunks_flat, font => "B", size => 0 ); |
173
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} |
174
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175
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sub parse_directive_I |
176
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{ |
177
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2
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2
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0
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5
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my $self = shift; |
178
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2
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9
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$self->_flush_para; |
179
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2
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9
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$self->chunk( $self->parse_chunks_flat, font => "I", size => 0 ); |
180
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} |
181
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182
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sub parse_directive_R |
183
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{ |
184
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2
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2
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0
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6
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my $self = shift; |
185
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2
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6
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$self->_flush_para; |
186
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2
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10
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$self->chunk( $self->parse_chunks_flat, font => "R", size => 0 ); |
187
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} |
188
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189
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sub parse_directive_SM |
190
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{ |
191
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3
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3
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0
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5
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my $self = shift; |
192
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3
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7
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$self->_flush_para; |
193
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194
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3
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6
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my @chunks = $self->parse_chunks; |
195
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196
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3
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100
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157
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$self->chunk( shift @chunks, font => "R", size => 0 ) if @chunks > 2; |
197
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3
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19
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$self->chunk( shift @chunks, font => "R", size => -1 ); |
198
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3
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100
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40
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$self->chunk( shift @chunks, font => "R", size => 0 ) if @chunks; |
199
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} |
200
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201
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sub _parse_directive_alternate |
202
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{ |
203
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4
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4
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5
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my $self = shift; |
204
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4
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8
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my ( $first, $second ) = @_; |
205
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4
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9
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$self->_flush_para; |
206
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4
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8
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my $i = 0; |
207
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4
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100
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8
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map { $self->chunk( $_, font => ( ++$i % 2 ? $first : $second ), size => 0 ) } $self->parse_chunks; |
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12
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282
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208
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} |
209
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210
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sub parse_directive_BI |
211
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{ |
212
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0
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0
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0
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0
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my $self = shift; |
213
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0
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0
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$self->_parse_directive_alternate( "B", "I" ); |
214
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} |
215
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216
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sub parse_directive_IB |
217
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{ |
218
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0
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0
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0
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0
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my $self = shift; |
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$self->_parse_directive_alternate( "I", "B" ); |
220
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} |
221
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222
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sub parse_directive_RB |
223
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{ |
224
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4
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my $self = shift; |
225
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4
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$self->_parse_directive_alternate( "R", "B" ); |
226
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} |
227
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228
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sub parse_directive_BR |
229
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{ |
230
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my $self = shift; |
231
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$self->_parse_directive_alternate( "B", "R" ); |
232
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} |
233
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sub parse_directive_RI |
235
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{ |
236
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my $self = shift; |
237
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$self->_parse_directive_alternate( "R", "I" ); |
238
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} |
239
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240
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sub parse_directive_IR |
241
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{ |
242
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0
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0
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my $self = shift; |
243
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$self->_parse_directive_alternate( "I", "R" ); |
244
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} |
245
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246
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=pod |
247
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248
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Other font requests that are found in C<\fX> or C<\f(AB> requests are handled |
249
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by similarly-named methods. |
250
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251
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=cut |
252
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253
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=head1 PARAGRAPH HANDLING METHODS |
254
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255
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The following methods are used to form paragraphs out of formatted text |
256
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chunks. Their return values are ignored. |
257
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258
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=cut |
259
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260
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=head2 para_TH |
261
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262
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$parser->para_TH( $name, $section ) |
263
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264
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Handles the C<.TH> paragraph which gives the page title and section number. |
265
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266
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=cut |
267
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268
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sub parse_directive_TH |
269
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{ |
270
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3
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3
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0
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5
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my $self = shift; |
271
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3
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13
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$self->_change_para( "P" ), |
272
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$self->para_TH( $self->parse_chunks ); |
273
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} |
274
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275
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=head2 para_SH |
276
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277
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$parser->para_SH( $title ) |
278
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279
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Handles the C<.SH> paragraph, which gives a section header. |
280
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281
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=cut |
282
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283
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sub parse_directive_SH |
284
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{ |
285
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4
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4
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0
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6
|
my $self = shift; |
286
|
4
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8
|
$self->_change_para( "P" ), |
287
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$self->para_SH( $self->parse_chunks_flat ); |
288
|
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} |
289
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290
|
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=head2 para_SS |
291
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292
|
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|
$parser->para_SS( $title ) |
293
|
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294
|
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|
Handles the C<.SS> paragraph, which gives a sub-section header. |
295
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296
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|
=cut |
297
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298
|
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|
sub parse_directive_SS |
299
|
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|
{ |
300
|
0
|
|
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0
|
0
|
0
|
my $self = shift; |
301
|
0
|
|
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|
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0
|
$self->_change_para( "P" ), |
302
|
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|
|
$self->para_SS( $self->parse_chunks_flat ); |
303
|
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} |
304
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305
|
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|
|
=head2 para_TP |
306
|
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307
|
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|
|
$parser->para_TP( $opts ) |
308
|
|
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|
309
|
|
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|
|
Handles a C<.TP> paragraph, which gives a term definition. |
310
|
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311
|
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|
=cut |
312
|
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313
|
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|
|
sub parse_directive_TP |
314
|
|
|
|
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|
|
{ |
315
|
4
|
|
|
4
|
0
|
7
|
my $self = shift; |
316
|
4
|
|
|
|
|
12
|
$self->_change_para( "TP" ); |
317
|
|
|
|
|
|
|
} |
318
|
|
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|
319
|
|
|
|
|
|
|
=head2 para_IP |
320
|
|
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|
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|
|
|
321
|
|
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|
|
|
|
$parser->para_IP( $opts ) |
322
|
|
|
|
|
|
|
|
323
|
|
|
|
|
|
|
Handles a C<.IP> paragraph, which is indented like the definition part of a |
324
|
|
|
|
|
|
|
C<.TP> paragraph. |
325
|
|
|
|
|
|
|
|
326
|
|
|
|
|
|
|
=cut |
327
|
|
|
|
|
|
|
|
328
|
|
|
|
|
|
|
sub parse_directive_IP |
329
|
|
|
|
|
|
|
{ |
330
|
3
|
|
|
3
|
0
|
5
|
my $self = shift; |
331
|
3
|
|
|
|
|
10
|
$self->_change_para( "IP" ); |
332
|
|
|
|
|
|
|
|
333
|
3
|
100
|
|
|
|
14
|
if( defined( my $marker = $self->maybe( "token_chunk" ) ) ) { |
334
|
2
|
|
|
|
|
20
|
$self->_change_para_options( marker => $marker ); |
335
|
|
|
|
|
|
|
} |
336
|
3
|
100
|
|
|
|
68
|
if( defined( my $indent = $self->maybe( "token_chunk" ) ) ) { |
337
|
2
|
|
|
|
|
5
|
$self->_change_para_options( indent => $indent ); |
338
|
|
|
|
|
|
|
} |
339
|
|
|
|
|
|
|
} |
340
|
|
|
|
|
|
|
|
341
|
|
|
|
|
|
|
=head2 para_P |
342
|
|
|
|
|
|
|
|
343
|
|
|
|
|
|
|
$parser->para_P( $opts ) |
344
|
|
|
|
|
|
|
|
345
|
|
|
|
|
|
|
Handles the C<.P>, C<.PP> or C<.LP> paragraphs, which are all synonyms for a |
346
|
|
|
|
|
|
|
plain paragraph content. |
347
|
|
|
|
|
|
|
|
348
|
|
|
|
|
|
|
=cut |
349
|
|
|
|
|
|
|
|
350
|
|
|
|
|
|
|
sub parse_directive_P |
351
|
|
|
|
|
|
|
{ |
352
|
11
|
|
|
11
|
0
|
16
|
my $self = shift; |
353
|
11
|
|
|
|
|
23
|
$self->_change_para( "P" ); |
354
|
|
|
|
|
|
|
} |
355
|
|
|
|
|
|
|
|
356
|
|
|
|
|
|
|
{ |
357
|
14
|
|
|
14
|
|
118
|
no warnings 'once'; |
|
14
|
|
|
|
|
31
|
|
|
14
|
|
|
|
|
19596
|
|
358
|
|
|
|
|
|
|
*parse_directive_PP = *parse_directive_LP = \&parse_directive_P; |
359
|
|
|
|
|
|
|
} |
360
|
|
|
|
|
|
|
|
361
|
|
|
|
|
|
|
=head2 para_EX |
362
|
|
|
|
|
|
|
|
363
|
|
|
|
|
|
|
$parser->para_EX( $opts ) |
364
|
|
|
|
|
|
|
|
365
|
|
|
|
|
|
|
Handles the C<.EX> paragraph, which is example text; intended to be rendered |
366
|
|
|
|
|
|
|
in a fixed-width font without filling. |
367
|
|
|
|
|
|
|
|
368
|
|
|
|
|
|
|
=cut |
369
|
|
|
|
|
|
|
|
370
|
|
|
|
|
|
|
sub parse_directive_EX |
371
|
|
|
|
|
|
|
{ |
372
|
2
|
|
|
2
|
0
|
3
|
my $self = shift; |
373
|
2
|
|
|
|
|
6
|
$self->_push_para( "EX" ); |
374
|
|
|
|
|
|
|
} |
375
|
|
|
|
|
|
|
|
376
|
|
|
|
|
|
|
sub parse_directive_EE |
377
|
|
|
|
|
|
|
{ |
378
|
2
|
|
|
2
|
0
|
3
|
my $self = shift; |
379
|
2
|
|
|
|
|
10
|
$self->_pop_para( "EX" ); |
380
|
|
|
|
|
|
|
} |
381
|
|
|
|
|
|
|
|
382
|
|
|
|
|
|
|
sub parse_directive_RS |
383
|
|
|
|
|
|
|
{ |
384
|
0
|
|
|
0
|
0
|
0
|
my $self = shift; |
385
|
0
|
0
|
|
|
|
0
|
if( defined( my $indent = $self->maybe( "token_chunk" ) ) ) { |
386
|
0
|
|
|
|
|
0
|
$self->_change_para_options( indent => $indent ); |
387
|
|
|
|
|
|
|
} |
388
|
|
|
|
|
|
|
else { |
389
|
0
|
|
|
|
|
0
|
$self->_change_para_options( indent => "4n" ); |
390
|
|
|
|
|
|
|
} |
391
|
|
|
|
|
|
|
} |
392
|
|
|
|
|
|
|
|
393
|
|
|
|
|
|
|
sub parse_directive_RE |
394
|
|
|
|
|
|
|
{ |
395
|
0
|
|
|
0
|
0
|
0
|
my $self = shift; |
396
|
0
|
|
|
|
|
0
|
$self->_change_para_options( indent => "0" ); |
397
|
|
|
|
|
|
|
} |
398
|
|
|
|
|
|
|
|
399
|
|
|
|
|
|
|
sub parse_directive_br |
400
|
|
|
|
|
|
|
{ |
401
|
0
|
|
|
0
|
0
|
0
|
my $self = shift; |
402
|
0
|
|
|
|
|
0
|
$self->entity_br; |
403
|
|
|
|
|
|
|
} |
404
|
|
|
|
|
|
|
|
405
|
|
|
|
|
|
|
sub parse_directive_fi |
406
|
|
|
|
|
|
|
{ |
407
|
2
|
|
|
2
|
0
|
4
|
my $self = shift; |
408
|
2
|
|
|
|
|
7
|
$self->_change_para_options( filling => 1 ); |
409
|
|
|
|
|
|
|
} |
410
|
|
|
|
|
|
|
|
411
|
|
|
|
|
|
|
sub parse_directive_in |
412
|
|
|
|
|
|
|
{ |
413
|
0
|
|
|
0
|
0
|
0
|
my $self = shift; |
414
|
|
|
|
|
|
|
|
415
|
0
|
|
|
|
|
0
|
my @ret; |
416
|
0
|
|
|
|
|
0
|
my $indent = 0; |
417
|
|
|
|
|
|
|
|
418
|
|
|
|
|
|
|
$self->maybe( sub { |
419
|
0
|
|
|
0
|
|
0
|
$indent = $self->expect( qr/[+-]?\d+[n]?/ ); |
420
|
0
|
|
|
|
|
0
|
} ); |
421
|
|
|
|
|
|
|
|
422
|
0
|
|
|
|
|
0
|
$self->_change_para_options( indent => $indent ); |
423
|
|
|
|
|
|
|
} |
424
|
|
|
|
|
|
|
|
425
|
|
|
|
|
|
|
sub parse_directive_nf |
426
|
|
|
|
|
|
|
{ |
427
|
5
|
|
|
5
|
0
|
8
|
my $self = shift; |
428
|
5
|
|
|
|
|
11
|
$self->_change_para_options( filling => 0 ); |
429
|
|
|
|
|
|
|
} |
430
|
|
|
|
|
|
|
|
431
|
|
|
|
|
|
|
sub parse_directive_sp |
432
|
|
|
|
|
|
|
{ |
433
|
1
|
|
|
1
|
0
|
2
|
my $self = shift; |
434
|
1
|
|
|
|
|
5
|
$self->entity_sp; |
435
|
|
|
|
|
|
|
} |
436
|
|
|
|
|
|
|
|
437
|
|
|
|
|
|
|
sub parse_plaintext |
438
|
|
|
|
|
|
|
{ |
439
|
48
|
|
|
48
|
0
|
68
|
my $self = shift; |
440
|
|
|
|
|
|
|
|
441
|
48
|
|
|
|
|
145
|
$self->_flush_para; |
442
|
|
|
|
|
|
|
|
443
|
|
|
|
|
|
|
$self->sequence_of( |
444
|
|
|
|
|
|
|
sub { $self->any_of( |
445
|
69
|
|
|
|
|
888
|
sub { my $esc = ( $self->expect( qr/\\(?|\((..)|(.))/ ) )[1]; |
446
|
15
|
|
|
|
|
662
|
$self->commit; |
447
|
15
|
|
|
|
|
100
|
my @chunks = $self->parse_escape( $esc ); |
448
|
15
|
|
|
|
|
70
|
$self->chunk( $_, font => $self->{fonts}[-1], size => 0 ) for @chunks; |
449
|
|
|
|
|
|
|
}, |
450
|
54
|
|
|
|
|
3807
|
sub { $self->chunk( $self->substring_before( qr/[\\\n]/ ), font => $self->{fonts}[-1], size => 0 ) }, |
451
|
69
|
|
|
69
|
|
3070
|
); } |
452
|
48
|
|
|
|
|
223
|
); |
453
|
|
|
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|
|
} |
454
|
|
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|
|
455
|
|
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|
|
|
sub parse_escape |
456
|
|
|
|
|
|
|
{ |
457
|
16
|
|
|
16
|
0
|
21
|
my $self = shift; |
458
|
16
|
|
|
|
|
26
|
my ( $esc ) = @_; |
459
|
|
|
|
|
|
|
|
460
|
16
|
|
|
|
|
29
|
my $meth = "parse_escape_$esc"; |
461
|
16
|
100
|
100
|
|
|
77
|
$meth = sprintf "parse_escape_x%v02X", $esc if length($esc) == 1 and $esc =~ m/[^A-Za-z0-9]/; |
462
|
16
|
100
|
|
|
|
34
|
$meth = "parse_escape_char" if length($esc) > 1; |
463
|
16
|
50
|
|
|
|
69
|
$meth = $self->can( $meth ) or |
464
|
|
|
|
|
|
|
$self->fail( "Unrecognised escape sequence \\$esc" ); |
465
|
16
|
|
|
|
|
35
|
return $self->$meth( $esc ); |
466
|
|
|
|
|
|
|
} |
467
|
|
|
|
|
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|
|
468
|
|
|
|
|
|
|
sub parse_escape_x2D # \- |
469
|
|
|
|
|
|
|
{ |
470
|
1
|
|
|
1
|
0
|
2
|
my $self = shift; |
471
|
|
|
|
|
|
|
|
472
|
|
|
|
|
|
|
# TODO: Unicode minus sign? |
473
|
1
|
|
|
|
|
14
|
return "-"; |
474
|
|
|
|
|
|
|
} |
475
|
|
|
|
|
|
|
|
476
|
|
|
|
|
|
|
# Ignore the "italic corrections" for now |
477
|
|
|
|
|
|
|
*parse_escape_x2C = # \, |
478
|
|
|
|
|
|
|
*parse_escape_x2F = # \/ |
479
|
0
|
|
|
0
|
|
0
|
sub { return }; |
480
|
|
|
|
|
|
|
|
481
|
|
|
|
|
|
|
# The "empty" character |
482
|
|
|
|
|
|
|
sub parse_escape_x26 # \& |
483
|
|
|
|
|
|
|
{ |
484
|
1
|
|
|
1
|
0
|
2
|
my $self = shift; |
485
|
|
|
|
|
|
|
|
486
|
1
|
|
|
|
|
2
|
return ""; |
487
|
|
|
|
|
|
|
} |
488
|
|
|
|
|
|
|
|
489
|
|
|
|
|
|
|
*parse_escape_e = *parse_escape_E = *parse_escape_x5C = sub { |
490
|
0
|
|
|
0
|
|
0
|
my $self = shift; |
491
|
|
|
|
|
|
|
|
492
|
0
|
|
|
|
|
0
|
return "\\"; |
493
|
|
|
|
|
|
|
}; |
494
|
|
|
|
|
|
|
|
495
|
|
|
|
|
|
|
sub parse_escape_f |
496
|
|
|
|
|
|
|
{ |
497
|
11
|
|
|
11
|
0
|
13
|
my $self = shift; |
498
|
|
|
|
|
|
|
|
499
|
|
|
|
|
|
|
$self->any_of( |
500
|
11
|
|
|
11
|
|
157
|
sub { $self->expect( qr/P/ ); |
501
|
2
|
|
|
|
|
70
|
$self->commit; |
502
|
2
|
50
|
|
|
|
10
|
@{ $self->{fonts} } > 1 or $self->fail( "Cannot \\fP without a \\f font defined" ); |
|
2
|
|
|
|
|
7
|
|
503
|
2
|
|
|
|
|
3
|
pop @{ $self->{fonts} }; }, |
|
2
|
|
|
|
|
8
|
|
504
|
9
|
|
|
9
|
|
564
|
sub { push @{ $self->{fonts} }, ( $self->expect( qr/([A-Z])/ ) )[1]; }, |
|
9
|
|
|
|
|
28
|
|
505
|
1
|
|
|
1
|
|
62
|
sub { push @{ $self->{fonts} }, ( $self->expect( qr/\((..)/ ) )[1]; }, |
|
1
|
|
|
|
|
5
|
|
506
|
11
|
|
|
|
|
76
|
); |
507
|
|
|
|
|
|
|
|
508
|
11
|
|
|
|
|
522
|
return; # empty |
509
|
|
|
|
|
|
|
} |
510
|
|
|
|
|
|
|
|
511
|
|
|
|
|
|
|
# TODO: Vastly expand this table |
512
|
|
|
|
|
|
|
my %chars = ( |
513
|
|
|
|
|
|
|
'aq' => q('), |
514
|
|
|
|
|
|
|
'bu' => '•', |
515
|
|
|
|
|
|
|
'co' => '©', |
516
|
|
|
|
|
|
|
); |
517
|
|
|
|
|
|
|
|
518
|
|
|
|
|
|
|
sub parse_escape_char |
519
|
|
|
|
|
|
|
{ |
520
|
3
|
|
|
3
|
0
|
4
|
my $self = shift; |
521
|
3
|
|
|
|
|
7
|
my ( $name ) = @_; |
522
|
|
|
|
|
|
|
|
523
|
3
|
|
33
|
|
|
18
|
my $char = $chars{$name} // ""; |
524
|
|
|
|
|
|
|
|
525
|
3
|
|
|
|
|
10
|
return $char; |
526
|
|
|
|
|
|
|
} |
527
|
|
|
|
|
|
|
|
528
|
|
|
|
|
|
|
sub _change_para |
529
|
|
|
|
|
|
|
{ |
530
|
27
|
|
|
27
|
|
40
|
my $self = shift; |
531
|
27
|
|
|
|
|
45
|
my ( $mode ) = @_; |
532
|
27
|
|
|
|
|
59
|
$self->_change_para_options( mode => $mode ); |
533
|
27
|
|
|
|
|
76
|
$self->{para_flushed} = 0; |
534
|
|
|
|
|
|
|
} |
535
|
|
|
|
|
|
|
|
536
|
|
|
|
|
|
|
sub _change_para_options |
537
|
|
|
|
|
|
|
{ |
538
|
83
|
|
|
83
|
|
114
|
my $self = shift; |
539
|
83
|
|
|
|
|
225
|
my %opts = @_; |
540
|
|
|
|
|
|
|
|
541
|
83
|
100
|
100
|
|
|
203
|
if( grep { ($self->{para_options}{$_}//"") ne $opts{$_} } keys %opts ) { |
|
173
|
|
|
|
|
655
|
|
542
|
35
|
|
|
|
|
62
|
$self->{para_flushed} = 0; |
543
|
|
|
|
|
|
|
} |
544
|
|
|
|
|
|
|
|
545
|
83
|
|
|
|
|
336
|
$self->{para_options}{$_} = $opts{$_} for keys %opts; |
546
|
|
|
|
|
|
|
} |
547
|
|
|
|
|
|
|
|
548
|
|
|
|
|
|
|
sub _flush_para |
549
|
|
|
|
|
|
|
{ |
550
|
65
|
|
|
65
|
|
89
|
my $self = shift; |
551
|
65
|
100
|
|
|
|
140
|
if( !$self->{para_flushed} ) { |
552
|
50
|
|
|
|
|
76
|
my $mode = $self->{para_options}{mode}; |
553
|
50
|
|
|
|
|
71
|
$self->${\"para_$mode"}( $self->{para_options} ); |
|
50
|
|
|
|
|
199
|
|
554
|
50
|
|
|
|
|
274
|
$self->{para_flushed}++; |
555
|
|
|
|
|
|
|
} |
556
|
|
|
|
|
|
|
else { |
557
|
15
|
|
|
|
|
40
|
$self->join_para; |
558
|
|
|
|
|
|
|
} |
559
|
|
|
|
|
|
|
} |
560
|
|
|
|
|
|
|
|
561
|
|
|
|
|
|
|
sub _push_para |
562
|
|
|
|
|
|
|
{ |
563
|
2
|
|
|
2
|
|
2
|
my $self = shift; |
564
|
2
|
|
|
|
|
4
|
my ( $new_mode ) = @_; |
565
|
|
|
|
|
|
|
|
566
|
|
|
|
|
|
|
# Shallow clone |
567
|
2
|
|
|
|
|
3
|
push @{ $self->{para_stack} }, { %{ $self->{para_options} } }; |
|
2
|
|
|
|
|
4
|
|
|
2
|
|
|
|
|
8
|
|
568
|
2
|
|
|
|
|
7
|
$self->_change_para( $new_mode ); |
569
|
|
|
|
|
|
|
} |
570
|
|
|
|
|
|
|
|
571
|
|
|
|
|
|
|
sub _pop_para |
572
|
|
|
|
|
|
|
{ |
573
|
2
|
|
|
2
|
|
2
|
my $self = shift; |
574
|
2
|
|
|
|
|
4
|
my ( $expect_mode ) = @_; |
575
|
|
|
|
|
|
|
|
576
|
2
|
50
|
|
|
|
86
|
$self->{para_options}{mode} eq $expect_mode or |
577
|
|
|
|
|
|
|
$self->fail( "Expected current paragraph mode of $expect_mode" ); |
578
|
|
|
|
|
|
|
|
579
|
2
|
|
|
|
|
4
|
$self->{para_options} = pop @{ $self->{para_stack} }; |
|
2
|
|
|
|
|
8
|
|
580
|
|
|
|
|
|
|
|
581
|
2
|
|
|
|
|
5
|
$self->_flush_para; |
582
|
2
|
|
|
|
|
7
|
$self->{para_flushed} = 0; |
583
|
|
|
|
|
|
|
} |
584
|
|
|
|
|
|
|
|
585
|
|
|
|
|
|
|
=head1 AUTHOR |
586
|
|
|
|
|
|
|
|
587
|
|
|
|
|
|
|
Paul Evans |
588
|
|
|
|
|
|
|
|
589
|
|
|
|
|
|
|
=cut |
590
|
|
|
|
|
|
|
|
591
|
|
|
|
|
|
|
0x55AA; |