| @@ -1,122 +1,124 | |||
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1 | 1 | require 'redcloth' |
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2 | 2 | require 'coderay' |
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3 | 3 | |
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4 | 4 | module Redmine |
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5 | 5 | module WikiFormatting |
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6 | 6 | |
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7 | 7 | private |
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8 | 8 | |
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9 | 9 | class TextileFormatter < RedCloth |
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10 | 10 | RULES = [:inline_auto_link, :inline_auto_mailto, :textile, :inline_toc] |
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11 | 11 | |
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12 | 12 | def initialize(*args) |
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13 | 13 | super |
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14 | 14 | self.hard_breaks=true |
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15 | 15 | end |
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16 | 16 | |
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17 | 17 | def to_html |
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18 | 18 | @toc = [] |
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19 | 19 | super(*RULES).to_s |
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20 | 20 | end |
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21 | 21 | |
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22 | 22 | private |
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23 | 23 | |
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24 | 24 | # Patch for RedCloth. Fixed in RedCloth r128 but _why hasn't released it yet. |
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25 | 25 | # <a href="http://code.whytheluckystiff.net/redcloth/changeset/128">http://code.whytheluckystiff.net/redcloth/changeset/128</a> |
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26 | 26 | def hard_break( text ) |
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27 | 27 | text.gsub!( /(.)\n(?!\n|\Z| *([#*=]+(\s|$)|[{|]))/, "\\1<br />" ) if hard_breaks |
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28 | 28 | end |
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29 | 29 | |
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30 | 30 | # Patch to add code highlighting support to RedCloth |
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31 | 31 | def smooth_offtags( text ) |
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32 | 32 | unless @pre_list.empty? |
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33 | 33 | ## replace <pre> content |
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34 | 34 | text.gsub!(/<redpre#(\d+)>/) do |
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35 | 35 | content = @pre_list[$1.to_i] |
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36 | 36 | if content.match(/<code\s+class="(\w+)">\s?(.+)/m) |
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37 | 37 | content = "<code class=\"#{$1} CodeRay\">" + |
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38 | 38 | CodeRay.scan($2, $1).html(:escape => false, :line_numbers => :inline) |
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39 | 39 | end |
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40 | 40 | content |
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41 | 41 | end |
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42 | 42 | end |
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43 | 43 | end |
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44 | 44 | |
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45 | 45 | # Patch to add 'table of content' support to RedCloth |
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46 | 46 | def textile_p_withtoc(tag, atts, cite, content) |
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47 | 47 | if tag =~ /^h(\d)$/ |
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48 | 48 | @toc << [$1.to_i, content] |
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49 | 49 | end |
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50 |
content = "<a name=\"#{@toc.length} |
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50 | content = "<a name=\"#{@toc.length}\" class=\"wiki-page\"></a>" + content | |
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51 | 51 | textile_p(tag, atts, cite, content) |
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52 | 52 | end |
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53 | 53 | |
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54 | 54 | alias :textile_h1 :textile_p_withtoc |
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55 | 55 | alias :textile_h2 :textile_p_withtoc |
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56 | 56 | alias :textile_h3 :textile_p_withtoc |
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57 | 57 | |
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58 | 58 | def inline_toc(text) |
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59 | 59 | text.gsub!(/<p>\{\{([<>]?)toc\}\}<\/p>/i) do |
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60 | 60 | div_class = 'toc' |
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61 | 61 | div_class << ' right' if $1 == '>' |
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62 | 62 | out = "<div class=\"#{div_class}\">" |
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63 | 63 | @toc.each_with_index do |heading, index| |
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64 | out << "<a href=\"##{index+1}-#{heading.last}\" class=\"heading#{heading.first}\">#{heading.last}</a>" | |
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64 | # remove wiki links from the item | |
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65 | toc_item = heading.last.gsub(/(\[\[|\]\])/, '') | |
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66 | out << "<a href=\"##{index+1}\" class=\"heading#{heading.first}\">#{toc_item}</a>" | |
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65 | 67 | end |
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66 | 68 | out << '</div>' |
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67 | 69 | out |
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68 | 70 | end |
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69 | 71 | end |
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70 | 72 | |
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71 | 73 | AUTO_LINK_RE = %r{ |
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72 | 74 | ( # leading text |
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73 | 75 | <\w+.*?>| # leading HTML tag, or |
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74 | 76 | [^=<>!:'"/]| # leading punctuation, or |
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75 | 77 | ^ # beginning of line |
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76 | 78 | ) |
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77 | 79 | ( |
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78 | 80 | (?:https?://)| # protocol spec, or |
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79 | 81 | (?:www\.) # www.* |
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80 | 82 | ) |
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81 | 83 | ( |
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82 | 84 | [-\w]+ # subdomain or domain |
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83 | 85 | (?:\.[-\w]+)* # remaining subdomains or domain |
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84 | 86 | (?::\d+)? # port |
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85 | 87 | (?:/(?:(?:[~\w\+%-]|(?:[,.;:][^\s$]))+)?)* # path |
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86 | 88 | (?:\?[\w\+%&=.;-]+)? # query string |
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87 | 89 | (?:\#[\w\-]*)? # trailing anchor |
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88 | 90 | ) |
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89 | 91 | ([[:punct:]]|\s|<|$) # trailing text |
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90 | 92 | }x unless const_defined?(:AUTO_LINK_RE) |
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91 | 93 | |
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92 | 94 | # Turns all urls into clickable links (code from Rails). |
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93 | 95 | def inline_auto_link(text) |
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94 | 96 | text.gsub!(AUTO_LINK_RE) do |
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95 | 97 | all, a, b, c, d = $&, $1, $2, $3, $4 |
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96 | 98 | if a =~ /<a\s/i || a =~ /![<>=]?/ |
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97 | 99 | # don't replace URL's that are already linked |
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98 | 100 | # and URL's prefixed with ! !> !< != (textile images) |
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99 | 101 | all |
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100 | 102 | else |
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101 | 103 | text = b + c |
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102 | 104 | %(#{a}<a href="#{b=="www."?"http://www.":b}#{c}">#{text}</a>#{d}) |
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103 | 105 | end |
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104 | 106 | end |
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105 | 107 | end |
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106 | 108 | |
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107 | 109 | # Turns all email addresses into clickable links (code from Rails). |
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108 | 110 | def inline_auto_mailto(text) |
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109 | 111 | text.gsub!(/([\w\.!#\$%\-+.]+@[A-Za-z0-9\-]+(\.[A-Za-z0-9\-]+)+)/) do |
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110 | 112 | text = $1 |
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111 | 113 | %{<a href="mailto:#{$1}" class="email">#{text}</a>} |
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112 | 114 | end |
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113 | 115 | end |
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114 | 116 | end |
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115 | 117 | |
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116 | 118 | public |
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117 | 119 | |
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118 | 120 | def self.to_html(text, options = {}) |
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119 | 121 | TextileFormatter.new(text).to_html |
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120 | 122 | end |
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121 | 123 | end |
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122 | 124 | end |
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