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1 | # |
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2 | # |
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3 | # This file is part of Deliantra, the Roguelike Realtime MMORPG. |
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4 | # |
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5 | # Copyright (©) 2005,2006,2007,2008,2009 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
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6 | # |
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7 | # Deliantra is free software: you can redistribute it and/or modify it under |
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8 | # the terms of the Affero GNU General Public License as published by the |
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9 | # Free Software Foundation, either version 3 of the License, or (at your |
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10 | # option) any later version. |
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11 | # |
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12 | # This program is distributed in the hope that it will be useful, |
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13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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15 | # GNU General Public License for more details. |
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16 | # |
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17 | # You should have received a copy of the Affero GNU General Public License |
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18 | # and the GNU General Public License along with this program. If not, see |
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19 | # <http://www.gnu.org/licenses/>. |
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20 | # |
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21 | # The authors can be reached via e-mail to <support@deliantra.net> |
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22 | # |
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23 | |
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24 | package cf::pod; |
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25 | |
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26 | use common::sense; |
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27 | |
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28 | use Pod::POM; |
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29 | |
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30 | our $indent; |
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31 | our $level; |
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32 | our @result; |
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33 | |
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34 | package cf::pod::AsParagraphs; |
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35 | |
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36 | use common::sense; |
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37 | |
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38 | use base "Pod::POM::View"; |
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39 | |
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40 | my %E = ( |
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41 | "<" => "E<lt>", |
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42 | ">" => "E<gt>", |
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43 | ); |
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44 | |
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45 | sub aspod($) { |
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46 | local $_ = $_[0]; |
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47 | |
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48 | s/[<>]/$E{$1}/g; |
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49 | |
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50 | $_ |
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51 | } |
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52 | |
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53 | sub flatten($) { |
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54 | local $_ = $_[0]; |
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55 | |
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56 | s/^\s+//; |
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57 | s/\s+$//; |
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58 | s/\s+/ /g; |
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59 | |
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60 | $_ |
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61 | } |
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62 | |
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63 | *view_seq_file = sub { "C<$_[1]>" }; |
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64 | *view_seq_code = sub { "C<$_[1]>" }; |
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65 | *view_seq_bold = sub { "B<$_[1]>" }; |
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66 | *view_seq_italic = sub { "I<$_[1]>" }; |
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67 | *view_seq_T = sub { "T<$_[1]>" }; |
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68 | *view_seq_G = sub { "G<$_[1]>" }; |
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69 | *view_seq_zero = sub { "Z<>" }; |
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70 | *view_seq_space = sub { my $text = $_[1]; $text =~ s/ /\xa0/g; $text }; |
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71 | *view_seq_index = sub { push @{ $result[-1]{index} }, $_[1]; "" }; |
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72 | |
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73 | sub view_seq_text { |
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74 | my $text = $_[1]; |
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75 | $text =~ s/\s+/ /g; |
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76 | aspod $text |
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77 | } |
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78 | |
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79 | sub view_seq_link { |
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80 | my (undef, $link) = @_; |
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81 | |
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82 | my $text = $link =~ s/^(.*)\|// ? $1 : $link; |
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83 | |
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84 | if ($link =~ /http:/) { |
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85 | "U<" . (aspod $link) . ">" |
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86 | } else { |
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87 | () |
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88 | } |
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89 | } |
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90 | |
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91 | sub view_item { |
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92 | push @result, { |
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93 | type => "item", |
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94 | indent => $indent * 8, |
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95 | level => $level, |
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96 | }; |
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97 | my $title = $_[1]->title->present ($_[0]); |
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98 | $result[-1]{markup} = $title if length $title; |
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99 | $title = flatten $title; unshift @{ $result[-1]{index} }, $title if length $title; |
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100 | local $level = $level + 1; |
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101 | $_[1]->content->present ($_[0]); |
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102 | () |
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103 | } |
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104 | |
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105 | sub view_verbatim { |
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106 | push @result, { |
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107 | type => "verbatim", |
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108 | indent => $indent * 16, |
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109 | level => $level, |
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110 | markup => $_[1], |
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111 | }; |
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112 | () |
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113 | } |
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114 | |
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115 | sub view_textblock { |
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116 | push @result, { |
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117 | indent => $indent * 16, |
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118 | level => $level, |
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119 | markup => flatten $_[1], |
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120 | }; |
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121 | () |
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122 | } |
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123 | |
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124 | sub view_head1 { |
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125 | push @result, { |
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126 | type => "head1", |
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127 | indent => $indent * 16, |
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128 | level => $level, |
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129 | }; |
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130 | my $title = $_[1]->title->present ($_[0]); |
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131 | $result[-1]{markup} = $title if length $title; |
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132 | $title = flatten $title; unshift @{ $result[-1]{index} }, $title if length $title; |
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133 | local $level = $level + 1; |
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134 | $_[1]->content->present ($_[0]); |
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135 | () |
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136 | }; |
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137 | |
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138 | sub view_head2 { |
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139 | push @result, { |
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140 | type => "head2", |
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141 | indent => $indent * 16, |
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142 | level => $level, |
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143 | }; |
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144 | my $title = $_[1]->title->present ($_[0]); |
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145 | $result[-1]{markup} = $title if length $title; |
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146 | $title = flatten $title; unshift @{ $result[-1]{index} }, $title if length $title; |
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147 | local $level = $level + 1; |
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148 | $_[1]->content->present ($_[0]); |
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149 | () |
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150 | }; |
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151 | |
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152 | sub view_head3 { |
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153 | push @result, { |
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154 | type => "head3", |
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155 | indent => $indent * 16, |
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156 | level => $level, |
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157 | }; |
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158 | my $title = $_[1]->title->present ($_[0]); |
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159 | $result[-1]{markup} = $title if length $title; |
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160 | $title = flatten $title; unshift @{ $result[-1]{index} }, $title if length $title; |
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161 | local $level = $level + 1; |
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162 | $_[1]->content->present ($_[0]); |
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163 | () |
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164 | }; |
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165 | |
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166 | sub view_over { |
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167 | local $indent = $indent + $_[1]->indent; |
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168 | push @result, { indent => $indent }; |
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169 | $_[1]->content->present ($_[0]); |
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170 | () |
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171 | } |
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172 | |
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173 | sub view_for { |
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174 | if ($_[1]->format eq "image") { |
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175 | # push @result, { |
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176 | # indent => $indent * 16, |
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177 | # level => $level, |
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178 | # markup => (::special image => "pod/" . $_->text), |
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179 | # }; |
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180 | } |
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181 | () |
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182 | } |
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183 | |
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184 | sub view_begin { |
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185 | () |
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186 | } |
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187 | |
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188 | sub view { |
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189 | my ($self, $type, $item) = @_; |
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190 | |
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191 | $item->content->present ($self); |
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192 | } |
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193 | |
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194 | ############################################################################# |
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195 | |
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196 | package cf::pod; |
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197 | |
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198 | sub pom_as_paragraphs($) { |
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199 | my ($pom) = @_; |
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200 | |
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201 | # we suckers use global variables, unfortunately. |
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202 | my $guard = cf::lock_acquire "cf::pod::as_paragraphs"; |
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203 | |
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204 | local $indent = 0; |
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205 | local $level = 1; |
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206 | local @result = ( { } ); |
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207 | |
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208 | $pom->present ("cf::pod::AsParagraphs"); |
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209 | |
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210 | [grep $_->{index} || exists $_->{markup}, @result] |
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211 | } |
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212 | |
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213 | sub load_pod($) { |
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214 | my ($path) = @_; |
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215 | |
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216 | Coro::Storable::thaw cf::cache "cf::pod::as_paragraphs/$path" => [$path], |
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217 | 7 => sub { |
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218 | my ($src) = @_; |
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219 | |
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220 | cf::fork_call { |
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221 | my $pod = $src->[0]; |
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222 | utf8::decode $pod; |
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223 | Coro::Storable::blocking_nfreeze pom_as_paragraphs +(Pod::POM->new->parse_text ($pod)) |
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224 | } |
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225 | }; |
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226 | } |
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227 | |
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228 | # format as cfpod-style text |
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229 | sub as_cfpod($) { |
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230 | my ($pars) = @_; |
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231 | |
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232 | my $res; |
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233 | |
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234 | for my $par (@$pars) { |
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235 | if ($par->{type} =~ /^head\d+$/) { |
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236 | $res .= "B<$par->{markup}>\n\n"; |
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237 | } elsif ($par->{type} eq "verbatim") { |
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238 | $res .= "$par->{markup}\n\n"; |
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239 | } elsif ($par->{type} eq "item") { |
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240 | $res .= "* I<$par->{markup}>\n\n"; |
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241 | } else { |
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242 | $res .= "$par->{markup}\n\n"; |
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243 | } |
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244 | } |
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245 | |
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246 | $res |
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247 | } |
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248 | |
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249 | 1; |
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250 | |
