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package Perl6::Pod::Block::table; |
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=pod |
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=head1 NAME |
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Perl6::Pod::Block::table - Simple tables |
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=head1 SYNOPSIS |
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=table |
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The Shoveller Eddie Stevens King Arthur's singing shovel |
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Blue Raja Geoffrey Smith Master of cutlery |
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Mr Furious Roy Orson Ticking time bomb of fury |
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The Bowler Carol Pinnsler Haunted bowling ball |
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=for table :caption('Tales in verse') |
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Year | Name |
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======+========================================== |
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1830 | The Tale of the Priest and of His Workman Balda |
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1830 | The Tale of the Female Bear |
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1831 | The Tale of Tsar Saltan |
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1833 | The Tale of the Fisherman and the Fish |
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1833 | The Tale of the Dead Princess |
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1834 | The Tale of the Golden Cockerel |
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=head1 DESCRIPTION |
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Simple tables can be specified in Perldoc using a =table block. The table may be given an associated description or title using the :caption option. |
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Each individual table cell is separately formatted, as if it were a nested =para. |
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Columns are separated by whitespace (by regex {2,}), vertical lines (|), or border intersections (+). Rows can be specified in one of two ways: either one row per line, with no separators; or multiple lines per row with explicit horizontal separators (whitespace, intersections (+), or horizontal lines: -, =, _) between every row. Either style can also have an explicitly separated header row at the top. |
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Each individual table cell is separately formatted, as if it were a nested =para. |
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This means you can create tables compactly, line-by-line: |
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=table |
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The Shoveller Eddie Stevens King Arthur's singing shovel |
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Blue Raja Geoffrey Smith Master of cutlery |
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Mr Furious Roy Orson Ticking time bomb of fury |
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The Bowler Carol Pinnsler Haunted bowling ball |
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or line-by-line with multi-line headers: |
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=table |
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Superhero | Secret | |
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| Identity | Superpower |
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==============|=================+================================ |
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The Shoveller | Eddie Stevens | King Arthur's singing shovel |
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Blue Raja | Geoffrey Smith | Master of cutlery |
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Mr Furious | Roy Orson | Ticking time bomb of fury |
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The Bowler | Carol Pinnsler | Haunted bowling ball |
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=cut |
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use warnings; |
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use strict; |
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use Data::Dumper; |
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use Perl6::Pod::Utl; |
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use Perl6::Pod::Block; |
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use base 'Perl6::Pod::Block'; |
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our $VERSION = '0.01'; |
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use constant { |
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NEW_LINE => qr/^ \s* $/xms, |
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COLUMNS_SEPARATE => qr/\s*\|\s*|[\ ]{2,}/xms, |
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COLUMNS_FORMAT_ROW => qr/(\s+)?[\=\-]+[\=\-\+\n]+(\s+)?/xms, |
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COLUMNS_FORMAT_ROW_SEPARATE => qr/\s*\|\s*|\+|[\ ]{2,}/xms, |
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}; |
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sub new { |
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my $class = shift; |
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my $self = $class->SUPER::new(@_); |
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my $content = $self->{content}->[0]; |
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my $count = $self->_get_count_cols($content); |
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$self->{tree} = &parse_table($content, $count); |
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$self->{col_count} = $count; |
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$self |
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83
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} |
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85
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sub parse_table { |
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my $text = shift; |
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my $count_cols = shift; |
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my $DEFER_REGEX_COMPILATION = ""; |
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my $qr = do { |
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15
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use Regexp::Grammars; |
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qr{ |
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\A \Z
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( [^\n]*? ) |
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96
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^ \s* <[content=col_content]>+ % \s* |
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98
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$count_cols == scalar(@{ $MATCH{content} }) |
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99
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})> |
100
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( \s+[\|\+]\s+ | \ {2,} | \t+ ) |
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( |
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\s* \n* <[header_row_delims=([=-_]+)]>+ % (\+|\s+|\|) \s* \n |
103
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104
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) |
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106
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<[row]>+ % <[row_delims]> |
107
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$DEFER_REGEX_COMPILATION |
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}xms |
109
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}; |
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if ($text =~ $qr ) { |
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return $/{Table} |
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0
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} else { |
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die "can't parse" |
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} |
115
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} |
116
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117
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=head2 is_header_row |
118
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119
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Flag id header row exists |
120
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121
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=cut |
122
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123
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sub is_header_row { |
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1
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my $self = shift; |
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exists $self->{tree}->{row_delims}->[0]->{header_row_delims} |
126
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0
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} |
127
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128
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sub get_rows { |
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my $self = shift; |
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my $rows = $self->{tree}->{row}; |
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} |
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133
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134
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sub _get_count_cols { |
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0
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my $self = shift; |
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my $txt = shift; |
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my $row_count = 1; |
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139
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# calculate count of fields |
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0
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foreach my $line ( split /\n/, $txt ) { |
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142
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# clean begin and end of line |
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$line =~ s/^\s*//; |
144
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$line =~ s/\s*$//; |
145
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my @columns = split( /${\( COLUMNS_SEPARATE )}/, $line ); |
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146
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147
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#try find format line |
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# ---------|-----------, =====+======= |
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if ( $line =~ /${\( COLUMNS_FORMAT_ROW )}/ ) { |
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150
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@columns = split( /${\( COLUMNS_FORMAT_ROW_SEPARATE )}/, $line ); |
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151
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$row_count = scalar(@columns); |
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0
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$self->{NEED_NEAD}++; |
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last; |
154
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} |
155
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156
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#update max row_column |
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$row_count = |
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0
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0
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scalar(@columns) > $row_count ? scalar(@columns) : $row_count; |
159
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} |
160
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0
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return $row_count; |
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} |
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163
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sub _make_row { |
164
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0
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my $self = shift; |
165
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0
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my $rows = shift; |
166
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0
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0
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for (@$rows) { $_ = join " ", @{ $_ || [] } } |
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0
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167
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return { data => [@$rows], type => 'row' }; |
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169
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} |
170
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171
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sub _make_head_row { |
172
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0
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0
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my $self = shift; |
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0
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my $res = $self->_make_row(@_); |
174
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0
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$res->{type} = 'head'; |
175
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0
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delete $self->{NEED_NEAD}; |
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0
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return $res; |
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} |
178
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179
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sub to_xhtml { |
180
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0
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0
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0
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my ( $self, $to ) = @_; |
181
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0
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my $w = $to->w; |
182
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0
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$w->raw('');
183
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0
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0
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if ( my $caption = $self->get_attr->{caption}) { |
184
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0
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$w->raw('')->print($caption)->raw('') |
185
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} |
186
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0
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my @rows = @{ $self->get_rows }; |
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0
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187
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0
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0
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if ( $self->is_header_row) { |
188
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0
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my $header = shift @rows; |
189
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0
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$w->raw(' | ');
190
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0
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foreach my $h (@{ $header->{content} }) { |
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0
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191
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0
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$w->raw(' | ');
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192
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0
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$to->visit(Perl6::Pod::Utl::parse_para($h)); |
193
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0
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$w->raw(''); |
194
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} |
195
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0
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$w->raw(' | ');
196
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} |
197
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#render content |
198
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0
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foreach my $r ( @rows ) { |
199
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0
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$w->raw(' | ');
200
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0
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foreach my $cnt ( @{$r->{content}} ) { |
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0
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201
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0
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$w->raw(' | '); |
202
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0
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$to->visit(Perl6::Pod::Utl::parse_para($cnt)); |
203
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0
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$w->raw(' | ');
204
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} |
205
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0
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$w->raw(' | ');
206
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} |
207
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0
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$w->raw(' | '); |
208
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} |
209
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210
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sub to_docbook { |
211
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0
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0
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0
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my ( $self, $to ) = @_; |
212
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0
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my $w = $to->w; |
213
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0
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$w->raw('');
214
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0
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0
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if ( my $caption = $self->get_attr->{caption}) { |
215
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0
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$w->raw('')->print($caption)->raw('') |
216
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} |
217
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0
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$w->raw(qq!'); |
218
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0
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my @rows = @{ $self->get_rows }; |
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0
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219
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0
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0
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if ( $self->is_header_row) { |
220
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0
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my $header = shift @rows; |
221
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0
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$w->raw('');
222
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0
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foreach my $h (@{ $header->{content} }) { |
|
0
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223
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0
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$w->raw(''); |
224
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0
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|
$to->visit(Perl6::Pod::Utl::parse_para($h)); |
225
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0
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$w->raw(''); |
226
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} |
227
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0
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$w->raw(' | '); |
228
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} |
229
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|
#render content |
230
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0
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|
$w->raw(' | ');
231
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0
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|
foreach my $r ( @rows ) { |
232
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0
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|
$w->raw(''); |
233
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0
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foreach my $cnt ( @{$r->{content}} ) { |
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0
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234
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0
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|
$w->raw(''); |
235
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0
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|
|
$to->visit(Perl6::Pod::Utl::parse_para($cnt)); |
236
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0
|
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|
|
|
$w->raw(''); |
237
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} |
238
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0
|
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|
$w->raw(''); |
239
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} |
240
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0
|
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|
|
|
$w->raw(' | ');
241
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0
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|
|
|
$w->raw(''); |
242
|
0
|
|
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|
|
|
$w->raw(' | '); |
243
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|
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244
|
|
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|
} |
245
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246
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|
1; |
247
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__END__ |
|