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