@@ -1,137 +1,138 | |||||
1 | # Redmine - project management software |
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1 | # Redmine - project management software | |
2 | # Copyright (C) 2006-2015 Jean-Philippe Lang |
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2 | # Copyright (C) 2006-2015 Jean-Philippe Lang | |
3 | # |
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3 | # | |
4 | # This program is free software; you can redistribute it and/or |
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4 | # This program is free software; you can redistribute it and/or | |
5 | # modify it under the terms of the GNU General Public License |
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5 | # modify it under the terms of the GNU General Public License | |
6 | # as published by the Free Software Foundation; either version 2 |
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6 | # as published by the Free Software Foundation; either version 2 | |
7 | # of the License, or (at your option) any later version. |
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7 | # of the License, or (at your option) any later version. | |
8 | # |
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8 | # | |
9 | # This program is distributed in the hope that it will be useful, |
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9 | # This program is distributed in the hope that it will be useful, | |
10 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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10 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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11 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | # GNU General Public License for more details. |
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12 | # GNU General Public License for more details. | |
13 | # |
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13 | # | |
14 | # You should have received a copy of the GNU General Public License |
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14 | # You should have received a copy of the GNU General Public License | |
15 | # along with this program; if not, write to the Free Software |
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15 | # along with this program; if not, write to the Free Software | |
16 | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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16 | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. | |
17 |
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17 | |||
18 | require 'cgi' |
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18 | require 'cgi' | |
19 |
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19 | |||
20 | module Redmine |
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20 | module Redmine | |
21 | module WikiFormatting |
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21 | module WikiFormatting | |
22 | module Markdown |
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22 | module Markdown | |
23 | class HTML < Redcarpet::Render::HTML |
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23 | class HTML < Redcarpet::Render::HTML | |
24 | include ActionView::Helpers::TagHelper |
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24 | include ActionView::Helpers::TagHelper | |
25 |
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25 | |||
26 | def link(link, title, content) |
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26 | def link(link, title, content) | |
27 | css = nil |
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27 | css = nil | |
28 | unless link && link.starts_with?('/') |
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28 | unless link && link.starts_with?('/') | |
29 | css = 'external' |
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29 | css = 'external' | |
30 | end |
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30 | end | |
31 | content_tag('a', content.to_s.html_safe, :href => link, :title => title, :class => css) |
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31 | content_tag('a', content.to_s.html_safe, :href => link, :title => title, :class => css) | |
32 | end |
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32 | end | |
33 |
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33 | |||
34 | def block_code(code, language) |
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34 | def block_code(code, language) | |
35 | if language.present? |
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35 | if language.present? | |
36 | "<pre><code class=\"#{CGI.escapeHTML language} syntaxhl\">" + |
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36 | "<pre><code class=\"#{CGI.escapeHTML language} syntaxhl\">" + | |
37 | Redmine::SyntaxHighlighting.highlight_by_language(code, language) + |
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37 | Redmine::SyntaxHighlighting.highlight_by_language(code, language) + | |
38 | "</code></pre>" |
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38 | "</code></pre>" | |
39 | else |
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39 | else | |
40 | "<pre>" + CGI.escapeHTML(code) + "</pre>" |
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40 | "<pre>" + CGI.escapeHTML(code) + "</pre>" | |
41 | end |
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41 | end | |
42 | end |
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42 | end | |
43 | end |
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43 | end | |
44 |
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44 | |||
45 | class Formatter |
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45 | class Formatter | |
46 | def initialize(text) |
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46 | def initialize(text) | |
47 | @text = text |
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47 | @text = text | |
48 | end |
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48 | end | |
49 |
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49 | |||
50 | def to_html(*args) |
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50 | def to_html(*args) | |
51 | html = formatter.render(@text) |
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51 | html = formatter.render(@text) | |
52 | # restore wiki links eg. [[Foo]] |
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52 | # restore wiki links eg. [[Foo]] | |
53 | html.gsub!(%r{\[<a href="(.*?)">(.*?)</a>\]}) do |
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53 | html.gsub!(%r{\[<a href="(.*?)">(.*?)</a>\]}) do | |
54 | "[[#{$2}]]" |
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54 | "[[#{$2}]]" | |
55 | end |
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55 | end | |
56 | # restore Redmine links with double-quotes, eg. version:"1.0" |
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56 | # restore Redmine links with double-quotes, eg. version:"1.0" | |
57 | html.gsub!(/(\w):"(.+?)"/) do |
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57 | html.gsub!(/(\w):"(.+?)"/) do | |
58 | "#{$1}:\"#{$2}\"" |
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58 | "#{$1}:\"#{$2}\"" | |
59 | end |
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59 | end | |
60 | html |
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60 | html | |
61 | end |
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61 | end | |
62 |
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62 | |||
63 | def get_section(index) |
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63 | def get_section(index) | |
64 | section = extract_sections(index)[1] |
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64 | section = extract_sections(index)[1] | |
65 | hash = Digest::MD5.hexdigest(section) |
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65 | hash = Digest::MD5.hexdigest(section) | |
66 | return section, hash |
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66 | return section, hash | |
67 | end |
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67 | end | |
68 |
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68 | |||
69 | def update_section(index, update, hash=nil) |
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69 | def update_section(index, update, hash=nil) | |
70 | t = extract_sections(index) |
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70 | t = extract_sections(index) | |
71 | if hash.present? && hash != Digest::MD5.hexdigest(t[1]) |
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71 | if hash.present? && hash != Digest::MD5.hexdigest(t[1]) | |
72 | raise Redmine::WikiFormatting::StaleSectionError |
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72 | raise Redmine::WikiFormatting::StaleSectionError | |
73 | end |
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73 | end | |
74 | t[1] = update unless t[1].blank? |
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74 | t[1] = update unless t[1].blank? | |
75 | t.reject(&:blank?).join "\n\n" |
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75 | t.reject(&:blank?).join "\n\n" | |
76 | end |
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76 | end | |
77 |
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77 | |||
78 | def extract_sections(index) |
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78 | def extract_sections(index) | |
79 | sections = ['', '', ''] |
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79 | sections = ['', '', ''] | |
80 | offset = 0 |
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80 | offset = 0 | |
81 | i = 0 |
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81 | i = 0 | |
82 | l = 1 |
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82 | l = 1 | |
83 | inside_pre = false |
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83 | inside_pre = false | |
84 | @text.split(/(^(?:.+\r?\n\r?(?:\=+|\-+)|#+.+|~~~.*)\s*$)/).each do |part| |
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84 | @text.split(/(^(?:.+\r?\n\r?(?:\=+|\-+)|#+.+|~~~.*)\s*$)/).each do |part| | |
85 | level = nil |
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85 | level = nil | |
86 | if part =~ /\A~{3,}(\S+)?\s*$/ |
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86 | if part =~ /\A~{3,}(\S+)?\s*$/ | |
87 | if $1 |
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87 | if $1 | |
88 | if !inside_pre |
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88 | if !inside_pre | |
89 | inside_pre = true |
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89 | inside_pre = true | |
90 | end |
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90 | end | |
91 | else |
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91 | else | |
92 | inside_pre = !inside_pre |
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92 | inside_pre = !inside_pre | |
93 | end |
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93 | end | |
94 | elsif inside_pre |
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94 | elsif inside_pre | |
95 | # nop |
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95 | # nop | |
96 | elsif part =~ /\A(#+).+/ |
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96 | elsif part =~ /\A(#+).+/ | |
97 | level = $1.size |
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97 | level = $1.size | |
98 | elsif part =~ /\A.+\r?\n\r?(\=+|\-+)\s*$/ |
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98 | elsif part =~ /\A.+\r?\n\r?(\=+|\-+)\s*$/ | |
99 | level = $1.include?('=') ? 1 : 2 |
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99 | level = $1.include?('=') ? 1 : 2 | |
100 | end |
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100 | end | |
101 | if level |
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101 | if level | |
102 | i += 1 |
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102 | i += 1 | |
103 | if offset == 0 && i == index |
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103 | if offset == 0 && i == index | |
104 | # entering the requested section |
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104 | # entering the requested section | |
105 | offset = 1 |
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105 | offset = 1 | |
106 | l = level |
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106 | l = level | |
107 | elsif offset == 1 && i > index && level <= l |
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107 | elsif offset == 1 && i > index && level <= l | |
108 | # leaving the requested section |
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108 | # leaving the requested section | |
109 | offset = 2 |
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109 | offset = 2 | |
110 | end |
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110 | end | |
111 | end |
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111 | end | |
112 | sections[offset] << part |
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112 | sections[offset] << part | |
113 | end |
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113 | end | |
114 | sections.map(&:strip) |
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114 | sections.map(&:strip) | |
115 | end |
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115 | end | |
116 |
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116 | |||
117 | private |
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117 | private | |
118 |
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118 | |||
119 | def formatter |
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119 | def formatter | |
120 | @@formatter ||= Redcarpet::Markdown.new( |
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120 | @@formatter ||= Redcarpet::Markdown.new( | |
121 | Redmine::WikiFormatting::Markdown::HTML.new( |
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121 | Redmine::WikiFormatting::Markdown::HTML.new( | |
122 | :filter_html => true, |
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122 | :filter_html => true, | |
123 | :hard_wrap => true |
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123 | :hard_wrap => true | |
124 | ), |
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124 | ), | |
125 | :autolink => true, |
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125 | :autolink => true, | |
126 | :fenced_code_blocks => true, |
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126 | :fenced_code_blocks => true, | |
127 | :space_after_headers => true, |
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127 | :space_after_headers => true, | |
128 | :tables => true, |
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128 | :tables => true, | |
129 | :strikethrough => true, |
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129 | :strikethrough => true, | |
130 | :superscript => true, |
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130 | :superscript => true, | |
131 | :no_intra_emphasis => true |
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131 | :no_intra_emphasis => true, | |
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132 | :footnotes => true | |||
132 | ) |
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133 | ) | |
133 | end |
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134 | end | |
134 | end |
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135 | end | |
135 | end |
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136 | end | |
136 | end |
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137 | end | |
137 | end |
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138 | end |
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