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1 | 1 | # vim:ts=4:sw=4: |
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2 | 2 | # = RedCloth - Textile and Markdown Hybrid for Ruby |
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3 | 3 | # |
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4 | 4 | # Homepage:: http://whytheluckystiff.net/ruby/redcloth/ |
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5 | 5 | # Author:: why the lucky stiff (http://whytheluckystiff.net/) |
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6 | 6 | # Copyright:: (cc) 2004 why the lucky stiff (and his puppet organizations.) |
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7 | 7 | # License:: BSD |
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8 | 8 | # |
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9 | 9 | # (see http://hobix.com/textile/ for a Textile Reference.) |
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10 | 10 | # |
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11 | 11 | # Based on (and also inspired by) both: |
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12 | 12 | # |
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13 | 13 | # PyTextile: http://diveintomark.org/projects/textile/textile.py.txt |
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14 | 14 | # Textism for PHP: http://www.textism.com/tools/textile/ |
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15 | 15 | # |
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16 | 16 | # |
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17 | 17 | |
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18 | 18 | # = RedCloth |
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19 | 19 | # |
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20 | 20 | # RedCloth is a Ruby library for converting Textile and/or Markdown |
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21 | 21 | # into HTML. You can use either format, intermingled or separately. |
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22 | 22 | # You can also extend RedCloth to honor your own custom text stylings. |
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23 | 23 | # |
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24 | 24 | # RedCloth users are encouraged to use Textile if they are generating |
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25 | 25 | # HTML and to use Markdown if others will be viewing the plain text. |
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26 | 26 | # |
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27 | 27 | # == What is Textile? |
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28 | 28 | # |
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29 | 29 | # Textile is a simple formatting style for text |
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30 | 30 | # documents, loosely based on some HTML conventions. |
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31 | 31 | # |
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32 | 32 | # == Sample Textile Text |
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33 | 33 | # |
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34 | 34 | # h2. This is a title |
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35 | 35 | # |
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36 | 36 | # h3. This is a subhead |
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37 | 37 | # |
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38 | 38 | # This is a bit of paragraph. |
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39 | 39 | # |
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40 | 40 | # bq. This is a blockquote. |
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41 | 41 | # |
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42 | 42 | # = Writing Textile |
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43 | 43 | # |
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44 | 44 | # A Textile document consists of paragraphs. Paragraphs |
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45 | 45 | # can be specially formatted by adding a small instruction |
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46 | 46 | # to the beginning of the paragraph. |
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47 | 47 | # |
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48 | 48 | # h[n]. Header of size [n]. |
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49 | 49 | # bq. Blockquote. |
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50 | 50 | # # Numeric list. |
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51 | 51 | # * Bulleted list. |
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52 | 52 | # |
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53 | 53 | # == Quick Phrase Modifiers |
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54 | 54 | # |
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55 | 55 | # Quick phrase modifiers are also included, to allow formatting |
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56 | 56 | # of small portions of text within a paragraph. |
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57 | 57 | # |
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58 | 58 | # \_emphasis\_ |
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59 | 59 | # \_\_italicized\_\_ |
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60 | 60 | # \*strong\* |
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61 | 61 | # \*\*bold\*\* |
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62 | 62 | # ??citation?? |
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63 | 63 | # -deleted text- |
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64 | 64 | # +inserted text+ |
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65 | 65 | # ^superscript^ |
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66 | 66 | # ~subscript~ |
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67 | 67 | # @code@ |
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68 | 68 | # %(classname)span% |
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69 | 69 | # |
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70 | 70 | # ==notextile== (leave text alone) |
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71 | 71 | # |
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72 | 72 | # == Links |
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73 | 73 | # |
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74 | 74 | # To make a hypertext link, put the link text in "quotation |
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75 | 75 | # marks" followed immediately by a colon and the URL of the link. |
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76 | 76 | # |
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77 | 77 | # Optional: text in (parentheses) following the link text, |
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78 | 78 | # but before the closing quotation mark, will become a Title |
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79 | 79 | # attribute for the link, visible as a tool tip when a cursor is above it. |
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80 | 80 | # |
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81 | 81 | # Example: |
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82 | 82 | # |
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83 | 83 | # "This is a link (This is a title) ":http://www.textism.com |
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84 | 84 | # |
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85 | 85 | # Will become: |
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86 | 86 | # |
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87 | 87 | # <a href="http://www.textism.com" title="This is a title">This is a link</a> |
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88 | 88 | # |
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89 | 89 | # == Images |
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90 | 90 | # |
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91 | 91 | # To insert an image, put the URL for the image inside exclamation marks. |
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92 | 92 | # |
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93 | 93 | # Optional: text that immediately follows the URL in (parentheses) will |
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94 | 94 | # be used as the Alt text for the image. Images on the web should always |
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95 | 95 | # have descriptive Alt text for the benefit of readers using non-graphical |
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96 | 96 | # browsers. |
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97 | 97 | # |
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98 | 98 | # Optional: place a colon followed by a URL immediately after the |
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99 | 99 | # closing ! to make the image into a link. |
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100 | 100 | # |
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101 | 101 | # Example: |
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102 | 102 | # |
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103 | 103 | # !http://www.textism.com/common/textist.gif(Textist)! |
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104 | 104 | # |
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105 | 105 | # Will become: |
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106 | 106 | # |
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107 | 107 | # <img src="http://www.textism.com/common/textist.gif" alt="Textist" /> |
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108 | 108 | # |
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109 | 109 | # With a link: |
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110 | 110 | # |
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111 | 111 | # !/common/textist.gif(Textist)!:http://textism.com |
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112 | 112 | # |
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113 | 113 | # Will become: |
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114 | 114 | # |
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115 | 115 | # <a href="http://textism.com"><img src="/common/textist.gif" alt="Textist" /></a> |
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116 | 116 | # |
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117 | 117 | # == Defining Acronyms |
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118 | 118 | # |
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119 | 119 | # HTML allows authors to define acronyms via the tag. The definition appears as a |
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120 | 120 | # tool tip when a cursor hovers over the acronym. A crucial aid to clear writing, |
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121 | 121 | # this should be used at least once for each acronym in documents where they appear. |
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122 | 122 | # |
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123 | 123 | # To quickly define an acronym in Textile, place the full text in (parentheses) |
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124 | 124 | # immediately following the acronym. |
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125 | 125 | # |
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126 | 126 | # Example: |
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127 | 127 | # |
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128 | 128 | # ACLU(American Civil Liberties Union) |
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129 | 129 | # |
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130 | 130 | # Will become: |
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131 | 131 | # |
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132 | 132 | # <acronym title="American Civil Liberties Union">ACLU</acronym> |
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133 | 133 | # |
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134 | 134 | # == Adding Tables |
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135 | 135 | # |
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136 | 136 | # In Textile, simple tables can be added by seperating each column by |
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137 | 137 | # a pipe. |
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138 | 138 | # |
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139 | 139 | # |a|simple|table|row| |
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140 | 140 | # |And|Another|table|row| |
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141 | 141 | # |
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142 | 142 | # Attributes are defined by style definitions in parentheses. |
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143 | 143 | # |
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144 | 144 | # table(border:1px solid black). |
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145 | 145 | # (background:#ddd;color:red). |{}| | | | |
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146 | 146 | # |
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147 | 147 | # == Using RedCloth |
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148 | 148 | # |
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149 | 149 | # RedCloth is simply an extension of the String class, which can handle |
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150 | 150 | # Textile formatting. Use it like a String and output HTML with its |
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151 | 151 | # RedCloth#to_html method. |
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152 | 152 | # |
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153 | 153 | # doc = RedCloth.new " |
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154 | 154 | # |
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155 | 155 | # h2. Test document |
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156 | 156 | # |
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157 | 157 | # Just a simple test." |
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158 | 158 | # |
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159 | 159 | # puts doc.to_html |
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160 | 160 | # |
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161 | 161 | # By default, RedCloth uses both Textile and Markdown formatting, with |
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162 | 162 | # Textile formatting taking precedence. If you want to turn off Markdown |
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163 | 163 | # formatting, to boost speed and limit the processor: |
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164 | 164 | # |
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165 | 165 | # class RedCloth::Textile.new( str ) |
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166 | 166 | |
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167 | 167 | class RedCloth3 < String |
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168 | 168 | |
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169 | 169 | VERSION = '3.0.4' |
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170 | 170 | DEFAULT_RULES = [:textile, :markdown] |
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171 | 171 | |
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172 | 172 | # |
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173 | 173 | # Two accessor for setting security restrictions. |
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174 | 174 | # |
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175 | 175 | # This is a nice thing if you're using RedCloth for |
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176 | 176 | # formatting in public places (e.g. Wikis) where you |
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177 | 177 | # don't want users to abuse HTML for bad things. |
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178 | 178 | # |
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179 | 179 | # If +:filter_html+ is set, HTML which wasn't |
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180 | 180 | # created by the Textile processor will be escaped. |
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181 | 181 | # |
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182 | 182 | # If +:filter_styles+ is set, it will also disable |
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183 | 183 | # the style markup specifier. ('{color: red}') |
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184 | 184 | # |
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185 | 185 | attr_accessor :filter_html, :filter_styles |
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186 | 186 | |
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187 | 187 | # |
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188 | 188 | # Accessor for toggling hard breaks. |
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189 | 189 | # |
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190 | 190 | # If +:hard_breaks+ is set, single newlines will |
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191 | 191 | # be converted to HTML break tags. This is the |
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192 | 192 | # default behavior for traditional RedCloth. |
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193 | 193 | # |
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194 | 194 | attr_accessor :hard_breaks |
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195 | 195 | |
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196 | 196 | # Accessor for toggling lite mode. |
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197 | 197 | # |
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198 | 198 | # In lite mode, block-level rules are ignored. This means |
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199 | 199 | # that tables, paragraphs, lists, and such aren't available. |
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200 | 200 | # Only the inline markup for bold, italics, entities and so on. |
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201 | 201 | # |
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202 | 202 | # r = RedCloth.new( "And then? She *fell*!", [:lite_mode] ) |
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203 | 203 | # r.to_html |
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204 | 204 | # #=> "And then? She <strong>fell</strong>!" |
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205 | 205 | # |
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206 | 206 | attr_accessor :lite_mode |
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207 | 207 | |
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208 | 208 | # |
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209 | 209 | # Accessor for toggling span caps. |
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210 | 210 | # |
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211 | 211 | # Textile places `span' tags around capitalized |
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212 | 212 | # words by default, but this wreaks havoc on Wikis. |
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213 | 213 | # If +:no_span_caps+ is set, this will be |
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214 | 214 | # suppressed. |
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215 | 215 | # |
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216 | 216 | attr_accessor :no_span_caps |
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217 | 217 | |
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218 | 218 | # |
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219 | 219 | # Establishes the markup predence. Available rules include: |
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220 | 220 | # |
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221 | 221 | # == Textile Rules |
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222 | 222 | # |
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223 | 223 | # The following textile rules can be set individually. Or add the complete |
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224 | 224 | # set of rules with the single :textile rule, which supplies the rule set in |
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225 | 225 | # the following precedence: |
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226 | 226 | # |
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227 | 227 | # refs_textile:: Textile references (i.e. [hobix]http://hobix.com/) |
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228 | 228 | # block_textile_table:: Textile table block structures |
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229 | 229 | # block_textile_lists:: Textile list structures |
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230 | 230 | # block_textile_prefix:: Textile blocks with prefixes (i.e. bq., h2., etc.) |
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231 | 231 | # inline_textile_image:: Textile inline images |
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232 | 232 | # inline_textile_link:: Textile inline links |
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233 | 233 | # inline_textile_span:: Textile inline spans |
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234 | 234 | # glyphs_textile:: Textile entities (such as em-dashes and smart quotes) |
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235 | 235 | # |
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236 | 236 | # == Markdown |
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237 | 237 | # |
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238 | 238 | # refs_markdown:: Markdown references (for example: [hobix]: http://hobix.com/) |
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239 | 239 | # block_markdown_setext:: Markdown setext headers |
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240 | 240 | # block_markdown_atx:: Markdown atx headers |
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241 | 241 | # block_markdown_rule:: Markdown horizontal rules |
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242 | 242 | # block_markdown_bq:: Markdown blockquotes |
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243 | 243 | # block_markdown_lists:: Markdown lists |
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244 | 244 | # inline_markdown_link:: Markdown links |
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245 | 245 | attr_accessor :rules |
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246 | 246 | |
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247 | 247 | # Returns a new RedCloth object, based on _string_ and |
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248 | 248 | # enforcing all the included _restrictions_. |
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249 | 249 | # |
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250 | 250 | # r = RedCloth.new( "h1. A <b>bold</b> man", [:filter_html] ) |
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251 | 251 | # r.to_html |
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252 | 252 | # #=>"<h1>A <b>bold</b> man</h1>" |
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253 | 253 | # |
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254 | 254 | def initialize( string, restrictions = [] ) |
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255 | 255 | restrictions.each { |r| method( "#{ r }=" ).call( true ) } |
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256 | 256 | super( string ) |
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257 | 257 | end |
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258 | 258 | |
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259 | 259 | # |
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260 | 260 | # Generates HTML from the Textile contents. |
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261 | 261 | # |
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262 | 262 | # r = RedCloth.new( "And then? She *fell*!" ) |
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263 | 263 | # r.to_html( true ) |
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264 | 264 | # #=>"And then? She <strong>fell</strong>!" |
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265 | 265 | # |
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266 | 266 | def to_html( *rules ) |
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267 | 267 | rules = DEFAULT_RULES if rules.empty? |
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268 | 268 | # make our working copy |
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269 | 269 | text = self.dup |
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270 | 270 | |
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271 | 271 | @urlrefs = {} |
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272 | 272 | @shelf = [] |
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273 | 273 | textile_rules = [:block_textile_table, :block_textile_lists, |
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274 | 274 | :block_textile_prefix, :inline_textile_image, :inline_textile_link, |
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275 | 275 | :inline_textile_code, :inline_textile_span, :glyphs_textile] |
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276 | 276 | markdown_rules = [:refs_markdown, :block_markdown_setext, :block_markdown_atx, :block_markdown_rule, |
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277 | 277 | :block_markdown_bq, :block_markdown_lists, |
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278 | 278 | :inline_markdown_reflink, :inline_markdown_link] |
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279 | 279 | @rules = rules.collect do |rule| |
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280 | 280 | case rule |
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281 | 281 | when :markdown |
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282 | 282 | markdown_rules |
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283 | 283 | when :textile |
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284 | 284 | textile_rules |
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285 | 285 | else |
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286 | 286 | rule |
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287 | 287 | end |
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288 | 288 | end.flatten |
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289 | 289 | |
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290 | 290 | # standard clean up |
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291 | 291 | incoming_entities text |
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292 | 292 | clean_white_space text |
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293 | 293 | |
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294 | 294 | # start processor |
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295 | 295 | @pre_list = [] |
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296 | 296 | rip_offtags text |
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297 | 297 | no_textile text |
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298 | 298 | escape_html_tags text |
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299 | 299 | hard_break text |
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300 | 300 | unless @lite_mode |
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301 | 301 | refs text |
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302 | 302 | # need to do this before text is split by #blocks |
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303 | 303 | block_textile_quotes text |
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304 | 304 | blocks text |
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305 | 305 | end |
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306 | 306 | inline text |
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307 | 307 | smooth_offtags text |
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308 | 308 | |
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309 | 309 | retrieve text |
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310 | 310 | |
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311 | 311 | text.gsub!( /<\/?notextile>/, '' ) |
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312 | 312 | text.gsub!( /x%x%/, '&' ) |
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313 | 313 | clean_html text if filter_html |
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314 | 314 | text.strip! |
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315 | 315 | text |
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316 | 316 | |
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317 | 317 | end |
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318 | 318 | |
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319 | 319 | ####### |
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320 | 320 | private |
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321 | 321 | ####### |
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322 | 322 | # |
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323 | 323 | # Mapping of 8-bit ASCII codes to HTML numerical entity equivalents. |
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324 | 324 | # (from PyTextile) |
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325 | 325 | # |
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326 | 326 | TEXTILE_TAGS = |
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327 | 327 | |
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328 | 328 | [[128, 8364], [129, 0], [130, 8218], [131, 402], [132, 8222], [133, 8230], |
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329 | 329 | [134, 8224], [135, 8225], [136, 710], [137, 8240], [138, 352], [139, 8249], |
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330 | 330 | [140, 338], [141, 0], [142, 0], [143, 0], [144, 0], [145, 8216], [146, 8217], |
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331 | 331 | [147, 8220], [148, 8221], [149, 8226], [150, 8211], [151, 8212], [152, 732], |
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332 | 332 | [153, 8482], [154, 353], [155, 8250], [156, 339], [157, 0], [158, 0], [159, 376]]. |
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333 | 333 | |
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334 | 334 | collect! do |a, b| |
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335 | 335 | [a.chr, ( b.zero? and "" or "&#{ b };" )] |
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336 | 336 | end |
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337 | 337 | |
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338 | 338 | # |
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339 | 339 | # Regular expressions to convert to HTML. |
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340 | 340 | # |
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341 | 341 | A_HLGN = /(?:(?:<>|<|>|\=|[()]+)+)/ |
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342 | 342 | A_VLGN = /[\-^~]/ |
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343 | 343 | C_CLAS = '(?:\([^)]+\))' |
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344 | 344 | C_LNGE = '(?:\[[^\[\]]+\])' |
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345 | 345 | C_STYL = '(?:\{[^}]+\})' |
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346 | 346 | S_CSPN = '(?:\\\\\d+)' |
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347 | 347 | S_RSPN = '(?:/\d+)' |
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348 | 348 | A = "(?:#{A_HLGN}?#{A_VLGN}?|#{A_VLGN}?#{A_HLGN}?)" |
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349 | 349 | S = "(?:#{S_CSPN}?#{S_RSPN}|#{S_RSPN}?#{S_CSPN}?)" |
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350 | 350 | C = "(?:#{C_CLAS}?#{C_STYL}?#{C_LNGE}?|#{C_STYL}?#{C_LNGE}?#{C_CLAS}?|#{C_LNGE}?#{C_STYL}?#{C_CLAS}?)" |
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351 | 351 | # PUNCT = Regexp::quote( '!"#$%&\'()*+,-./:;<=>?@[\\]^_`{|}~' ) |
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352 | 352 | PUNCT = Regexp::quote( '!"#$%&\'*+,-./:;=?@\\^_`|~' ) |
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353 | 353 | PUNCT_NOQ = Regexp::quote( '!"#$&\',./:;=?@\\`|' ) |
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354 | 354 | PUNCT_Q = Regexp::quote( '*-_+^~%' ) |
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355 | 355 | HYPERLINK = '(\S+?)([^\w\s/;=\?]*?)(?=\s|<|$)' |
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356 | 356 | |
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357 | 357 | # Text markup tags, don't conflict with block tags |
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358 | 358 | SIMPLE_HTML_TAGS = [ |
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359 | 359 | 'tt', 'b', 'i', 'big', 'small', 'em', 'strong', 'dfn', 'code', |
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360 | 360 | 'samp', 'kbd', 'var', 'cite', 'abbr', 'acronym', 'a', 'img', 'br', |
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361 | 361 | 'br', 'map', 'q', 'sub', 'sup', 'span', 'bdo' |
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362 | 362 | ] |
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363 | 363 | |
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364 | 364 | QTAGS = [ |
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365 | 365 | ['**', 'b', :limit], |
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366 | 366 | ['*', 'strong', :limit], |
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367 | 367 | ['??', 'cite', :limit], |
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368 | 368 | ['-', 'del', :limit], |
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369 | 369 | ['__', 'i', :limit], |
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370 | 370 | ['_', 'em', :limit], |
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371 | 371 | ['%', 'span', :limit], |
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372 | 372 | ['+', 'ins', :limit], |
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373 | 373 | ['^', 'sup', :limit], |
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374 | 374 | ['~', 'sub', :limit] |
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375 | 375 | ] |
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376 | 376 | QTAGS_JOIN = QTAGS.map {|rc, ht, rtype| Regexp::quote rc}.join('|') |
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377 | 377 | |
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378 | 378 | QTAGS.collect! do |rc, ht, rtype| |
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379 | 379 | rcq = Regexp::quote rc |
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380 | 380 | re = |
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381 | 381 | case rtype |
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382 | 382 | when :limit |
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383 | /(^|[>\s\(]) | |
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384 | (#{QTAGS_JOIN}|) | |
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385 | (#{rcq}) | |
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386 | (#{C}) | |
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387 | (?::(\S+?))? | |
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388 | (\w|[^\s].*?[^\s]) | |
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383 | /(^|[>\s\(]) # sta | |
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384 | (#{QTAGS_JOIN}|) # oqs | |
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385 | (#{rcq}) # qtag | |
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386 | (\w|[^\s].*?[^\s]) # content | |
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389 | 387 | #{rcq} |
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390 | (#{QTAGS_JOIN}|) | |
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388 | (#{QTAGS_JOIN}|) # oqa | |
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391 | 389 | (?=[[:punct:]]|\s|\)|$)/x |
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392 | 390 | else |
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393 | 391 | /(#{rcq}) |
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394 | 392 | (#{C}) |
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395 | 393 | (?::(\S+))? |
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396 | 394 | (\w|[^\s\-].*?[^\s\-]) |
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397 | 395 | #{rcq}/xm |
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398 | 396 | end |
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399 | 397 | [rc, ht, re, rtype] |
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400 | 398 | end |
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|
401 | 399 | |
|
|
402 | 400 | # Elements to handle |
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403 | 401 | GLYPHS = [ |
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404 | 402 | # [ /([^\s\[{(>])?\'([dmst]\b|ll\b|ve\b|\s|:|$)/, '\1’\2' ], # single closing |
|
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405 | 403 | # [ /([^\s\[{(>#{PUNCT_Q}][#{PUNCT_Q}]*)\'/, '\1’' ], # single closing |
|
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406 | 404 | # [ /\'(?=[#{PUNCT_Q}]*(s\b|[\s#{PUNCT_NOQ}]))/, '’' ], # single closing |
|
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407 | 405 | # [ /\'/, '‘' ], # single opening |
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408 | 406 | # [ /</, '<' ], # less-than |
|
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409 | 407 | # [ />/, '>' ], # greater-than |
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410 | 408 | # [ /([^\s\[{(])?"(\s|:|$)/, '\1”\2' ], # double closing |
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411 | 409 | # [ /([^\s\[{(>#{PUNCT_Q}][#{PUNCT_Q}]*)"/, '\1”' ], # double closing |
|
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412 | 410 | # [ /"(?=[#{PUNCT_Q}]*[\s#{PUNCT_NOQ}])/, '”' ], # double closing |
|
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413 | 411 | # [ /"/, '“' ], # double opening |
|
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414 | 412 | # [ /\b( )?\.{3}/, '\1…' ], # ellipsis |
|
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415 | 413 | # [ /\b([A-Z][A-Z0-9]{2,})\b(?:[(]([^)]*)[)])/, '<acronym title="\2">\1</acronym>' ], # 3+ uppercase acronym |
|
|
416 | 414 | # [ /(^|[^"][>\s])([A-Z][A-Z0-9 ]+[A-Z0-9])([^<A-Za-z0-9]|$)/, '\1<span class="caps">\2</span>\3', :no_span_caps ], # 3+ uppercase caps |
|
|
417 | 415 | # [ /(\.\s)?\s?--\s?/, '\1—' ], # em dash |
|
|
418 | 416 | # [ /\s->\s/, ' → ' ], # right arrow |
|
|
419 | 417 | # [ /\s-\s/, ' – ' ], # en dash |
|
|
420 | 418 | # [ /(\d+) ?x ?(\d+)/, '\1×\2' ], # dimension sign |
|
|
421 | 419 | # [ /\b ?[(\[]TM[\])]/i, '™' ], # trademark |
|
|
422 | 420 | # [ /\b ?[(\[]R[\])]/i, '®' ], # registered |
|
|
423 | 421 | # [ /\b ?[(\[]C[\])]/i, '©' ] # copyright |
|
|
424 | 422 | ] |
|
|
425 | 423 | |
|
|
426 | 424 | H_ALGN_VALS = { |
|
|
427 | 425 | '<' => 'left', |
|
|
428 | 426 | '=' => 'center', |
|
|
429 | 427 | '>' => 'right', |
|
|
430 | 428 | '<>' => 'justify' |
|
|
431 | 429 | } |
|
|
432 | 430 | |
|
|
433 | 431 | V_ALGN_VALS = { |
|
|
434 | 432 | '^' => 'top', |
|
|
435 | 433 | '-' => 'middle', |
|
|
436 | 434 | '~' => 'bottom' |
|
|
437 | 435 | } |
|
|
438 | 436 | |
|
|
439 | 437 | # |
|
|
440 | 438 | # Flexible HTML escaping |
|
|
441 | 439 | # |
|
|
442 | 440 | def htmlesc( str, mode=:Quotes ) |
|
|
443 | 441 | if str |
|
|
444 | 442 | str.gsub!( '&', '&' ) |
|
|
445 | 443 | str.gsub!( '"', '"' ) if mode != :NoQuotes |
|
|
446 | 444 | str.gsub!( "'", ''' ) if mode == :Quotes |
|
|
447 | 445 | str.gsub!( '<', '<') |
|
|
448 | 446 | str.gsub!( '>', '>') |
|
|
449 | 447 | end |
|
|
450 | 448 | str |
|
|
451 | 449 | end |
|
|
452 | 450 | |
|
|
453 | 451 | # Search and replace for Textile glyphs (quotes, dashes, other symbols) |
|
|
454 | 452 | def pgl( text ) |
|
|
455 | 453 | #GLYPHS.each do |re, resub, tog| |
|
|
456 | 454 | # next if tog and method( tog ).call |
|
|
457 | 455 | # text.gsub! re, resub |
|
|
458 | 456 | #end |
|
|
459 | 457 | text.gsub!(/\b([A-Z][A-Z0-9]{2,})\b(?:[(]([^)]*)[)])/) do |m| |
|
|
460 | 458 | "<acronym title=\"#{htmlesc $2}\">#{$1}</acronym>" |
|
|
461 | 459 | end |
|
|
462 | 460 | end |
|
|
463 | 461 | |
|
|
464 | 462 | # Parses Textile attribute lists and builds an HTML attribute string |
|
|
465 | 463 | def pba( text_in, element = "" ) |
|
|
466 | 464 | |
|
|
467 | 465 | return '' unless text_in |
|
|
468 | 466 | |
|
|
469 | 467 | style = [] |
|
|
470 | 468 | text = text_in.dup |
|
|
471 | 469 | if element == 'td' |
|
|
472 | 470 | colspan = $1 if text =~ /\\(\d+)/ |
|
|
473 | 471 | rowspan = $1 if text =~ /\/(\d+)/ |
|
|
474 | 472 | style << "vertical-align:#{ v_align( $& ) };" if text =~ A_VLGN |
|
|
475 | 473 | end |
|
|
476 | 474 | |
|
|
477 | 475 | style << "#{ htmlesc $1 };" if text.sub!( /\{([^}]*)\}/, '' ) && !filter_styles |
|
|
478 | 476 | |
|
|
479 | 477 | lang = $1 if |
|
|
480 | 478 | text.sub!( /\[([^)]+?)\]/, '' ) |
|
|
481 | 479 | |
|
|
482 | 480 | cls = $1 if |
|
|
483 | 481 | text.sub!( /\(([^()]+?)\)/, '' ) |
|
|
484 | 482 | |
|
|
485 | 483 | style << "padding-left:#{ $1.length }em;" if |
|
|
486 | 484 | text.sub!( /([(]+)/, '' ) |
|
|
487 | 485 | |
|
|
488 | 486 | style << "padding-right:#{ $1.length }em;" if text.sub!( /([)]+)/, '' ) |
|
|
489 | 487 | |
|
|
490 | 488 | style << "text-align:#{ h_align( $& ) };" if text =~ A_HLGN |
|
|
491 | 489 | |
|
|
492 | 490 | cls, id = $1, $2 if cls =~ /^(.*?)#(.*)$/ |
|
|
493 | 491 | |
|
|
494 | 492 | atts = '' |
|
|
495 | 493 | atts << " style=\"#{ style.join }\"" unless style.empty? |
|
|
496 | 494 | atts << " class=\"#{ cls }\"" unless cls.to_s.empty? |
|
|
497 | 495 | atts << " lang=\"#{ lang }\"" if lang |
|
|
498 | 496 | atts << " id=\"#{ id }\"" if id |
|
|
499 | 497 | atts << " colspan=\"#{ colspan }\"" if colspan |
|
|
500 | 498 | atts << " rowspan=\"#{ rowspan }\"" if rowspan |
|
|
501 | 499 | |
|
|
502 | 500 | atts |
|
|
503 | 501 | end |
|
|
504 | 502 | |
|
|
505 | 503 | TABLE_RE = /^(?:table(_?#{S}#{A}#{C})\. ?\n)?^(#{A}#{C}\.? ?\|.*?\|)(\n\n|\Z)/m |
|
|
506 | 504 | |
|
|
507 | 505 | # Parses a Textile table block, building HTML from the result. |
|
|
508 | 506 | def block_textile_table( text ) |
|
|
509 | 507 | text.gsub!( TABLE_RE ) do |matches| |
|
|
510 | 508 | |
|
|
511 | 509 | tatts, fullrow = $~[1..2] |
|
|
512 | 510 | tatts = pba( tatts, 'table' ) |
|
|
513 | 511 | tatts = shelve( tatts ) if tatts |
|
|
514 | 512 | rows = [] |
|
|
515 | 513 | |
|
|
516 | 514 | fullrow.each_line do |row| |
|
|
517 | 515 | ratts, row = pba( $1, 'tr' ), $2 if row =~ /^(#{A}#{C}\. )(.*)/m |
|
|
518 | 516 | cells = [] |
|
|
519 | 517 | row.split( /(\|)(?![^\[\|]*\]\])/ )[1..-2].each do |cell| |
|
|
520 | 518 | next if cell == '|' |
|
|
521 | 519 | ctyp = 'd' |
|
|
522 | 520 | ctyp = 'h' if cell =~ /^_/ |
|
|
523 | 521 | |
|
|
524 | 522 | catts = '' |
|
|
525 | 523 | catts, cell = pba( $1, 'td' ), $2 if cell =~ /^(_?#{S}#{A}#{C}\. ?)(.*)/ |
|
|
526 | 524 | |
|
|
527 | 525 | catts = shelve( catts ) if catts |
|
|
528 | 526 | cells << "\t\t\t<t#{ ctyp }#{ catts }>#{ cell }</t#{ ctyp }>" |
|
|
529 | 527 | end |
|
|
530 | 528 | ratts = shelve( ratts ) if ratts |
|
|
531 | 529 | rows << "\t\t<tr#{ ratts }>\n#{ cells.join( "\n" ) }\n\t\t</tr>" |
|
|
532 | 530 | end |
|
|
533 | 531 | "\t<table#{ tatts }>\n#{ rows.join( "\n" ) }\n\t</table>\n\n" |
|
|
534 | 532 | end |
|
|
535 | 533 | end |
|
|
536 | 534 | |
|
|
537 | 535 | LISTS_RE = /^([#*]+?#{C} .*?)$(?![^#*])/m |
|
|
538 | 536 | LISTS_CONTENT_RE = /^([#*]+)(#{A}#{C}) (.*)$/m |
|
|
539 | 537 | |
|
|
540 | 538 | # Parses Textile lists and generates HTML |
|
|
541 | 539 | def block_textile_lists( text ) |
|
|
542 | 540 | text.gsub!( LISTS_RE ) do |match| |
|
|
543 | 541 | lines = match.split( /\n/ ) |
|
|
544 | 542 | last_line = -1 |
|
|
545 | 543 | depth = [] |
|
|
546 | 544 | lines.each_with_index do |line, line_id| |
|
|
547 | 545 | if line =~ LISTS_CONTENT_RE |
|
|
548 | 546 | tl,atts,content = $~[1..3] |
|
|
549 | 547 | if depth.last |
|
|
550 | 548 | if depth.last.length > tl.length |
|
|
551 | 549 | (depth.length - 1).downto(0) do |i| |
|
|
552 | 550 | break if depth[i].length == tl.length |
|
|
553 | 551 | lines[line_id - 1] << "</li>\n\t</#{ lT( depth[i] ) }l>\n\t" |
|
|
554 | 552 | depth.pop |
|
|
555 | 553 | end |
|
|
556 | 554 | end |
|
|
557 | 555 | if depth.last and depth.last.length == tl.length |
|
|
558 | 556 | lines[line_id - 1] << '</li>' |
|
|
559 | 557 | end |
|
|
560 | 558 | end |
|
|
561 | 559 | unless depth.last == tl |
|
|
562 | 560 | depth << tl |
|
|
563 | 561 | atts = pba( atts ) |
|
|
564 | 562 | atts = shelve( atts ) if atts |
|
|
565 | 563 | lines[line_id] = "\t<#{ lT(tl) }l#{ atts }>\n\t<li>#{ content }" |
|
|
566 | 564 | else |
|
|
567 | 565 | lines[line_id] = "\t\t<li>#{ content }" |
|
|
568 | 566 | end |
|
|
569 | 567 | last_line = line_id |
|
|
570 | 568 | |
|
|
571 | 569 | else |
|
|
572 | 570 | last_line = line_id |
|
|
573 | 571 | end |
|
|
574 | 572 | if line_id - last_line > 1 or line_id == lines.length - 1 |
|
|
575 | 573 | depth.delete_if do |v| |
|
|
576 | 574 | lines[last_line] << "</li>\n\t</#{ lT( v ) }l>" |
|
|
577 | 575 | end |
|
|
578 | 576 | end |
|
|
579 | 577 | end |
|
|
580 | 578 | lines.join( "\n" ) |
|
|
581 | 579 | end |
|
|
582 | 580 | end |
|
|
583 | 581 | |
|
|
584 | 582 | QUOTES_RE = /(^>+([^\n]*?)(\n|$))+/m |
|
|
585 | 583 | QUOTES_CONTENT_RE = /^([> ]+)(.*)$/m |
|
|
586 | 584 | |
|
|
587 | 585 | def block_textile_quotes( text ) |
|
|
588 | 586 | text.gsub!( QUOTES_RE ) do |match| |
|
|
589 | 587 | lines = match.split( /\n/ ) |
|
|
590 | 588 | quotes = '' |
|
|
591 | 589 | indent = 0 |
|
|
592 | 590 | lines.each do |line| |
|
|
593 | 591 | line =~ QUOTES_CONTENT_RE |
|
|
594 | 592 | bq,content = $1, $2 |
|
|
595 | 593 | l = bq.count('>') |
|
|
596 | 594 | if l != indent |
|
|
597 | 595 | quotes << ("\n\n" + (l>indent ? '<blockquote>' * (l-indent) : '</blockquote>' * (indent-l)) + "\n\n") |
|
|
598 | 596 | indent = l |
|
|
599 | 597 | end |
|
|
600 | 598 | quotes << (content + "\n") |
|
|
601 | 599 | end |
|
|
602 | 600 | quotes << ("\n" + '</blockquote>' * indent + "\n\n") |
|
|
603 | 601 | quotes |
|
|
604 | 602 | end |
|
|
605 | 603 | end |
|
|
606 | 604 | |
|
|
607 | 605 | CODE_RE = /(\W) |
|
|
608 | 606 | @ |
|
|
609 | 607 | (?:\|(\w+?)\|)? |
|
|
610 | 608 | (.+?) |
|
|
611 | 609 | @ |
|
|
612 | 610 | (?=\W)/x |
|
|
613 | 611 | |
|
|
614 | 612 | def inline_textile_code( text ) |
|
|
615 | 613 | text.gsub!( CODE_RE ) do |m| |
|
|
616 | 614 | before,lang,code,after = $~[1..4] |
|
|
617 | 615 | lang = " lang=\"#{ lang }\"" if lang |
|
|
618 | 616 | rip_offtags( "#{ before }<code#{ lang }>#{ code }</code>#{ after }" ) |
|
|
619 | 617 | end |
|
|
620 | 618 | end |
|
|
621 | 619 | |
|
|
622 | 620 | def lT( text ) |
|
|
623 | 621 | text =~ /\#$/ ? 'o' : 'u' |
|
|
624 | 622 | end |
|
|
625 | 623 | |
|
|
626 | 624 | def hard_break( text ) |
|
|
627 | 625 | text.gsub!( /(.)\n(?!\Z| *([#*=]+(\s|$)|[{|]))/, "\\1<br />" ) if hard_breaks |
|
|
628 | 626 | end |
|
|
629 | 627 | |
|
|
630 | 628 | BLOCKS_GROUP_RE = /\n{2,}(?! )/m |
|
|
631 | 629 | |
|
|
632 | 630 | def blocks( text, deep_code = false ) |
|
|
633 | 631 | text.replace( text.split( BLOCKS_GROUP_RE ).collect do |blk| |
|
|
634 | 632 | plain = blk !~ /\A[#*> ]/ |
|
|
635 | 633 | |
|
|
636 | 634 | # skip blocks that are complex HTML |
|
|
637 | 635 | if blk =~ /^<\/?(\w+).*>/ and not SIMPLE_HTML_TAGS.include? $1 |
|
|
638 | 636 | blk |
|
|
639 | 637 | else |
|
|
640 | 638 | # search for indentation levels |
|
|
641 | 639 | blk.strip! |
|
|
642 | 640 | if blk.empty? |
|
|
643 | 641 | blk |
|
|
644 | 642 | else |
|
|
645 | 643 | code_blk = nil |
|
|
646 | 644 | blk.gsub!( /((?:\n(?:\n^ +[^\n]*)+)+)/m ) do |iblk| |
|
|
647 | 645 | flush_left iblk |
|
|
648 | 646 | blocks iblk, plain |
|
|
649 | 647 | iblk.gsub( /^(\S)/, "\t\\1" ) |
|
|
650 | 648 | if plain |
|
|
651 | 649 | code_blk = iblk; "" |
|
|
652 | 650 | else |
|
|
653 | 651 | iblk |
|
|
654 | 652 | end |
|
|
655 | 653 | end |
|
|
656 | 654 | |
|
|
657 | 655 | block_applied = 0 |
|
|
658 | 656 | @rules.each do |rule_name| |
|
|
659 | 657 | block_applied += 1 if ( rule_name.to_s.match /^block_/ and method( rule_name ).call( blk ) ) |
|
|
660 | 658 | end |
|
|
661 | 659 | if block_applied.zero? |
|
|
662 | 660 | if deep_code |
|
|
663 | 661 | blk = "\t<pre><code>#{ blk }</code></pre>" |
|
|
664 | 662 | else |
|
|
665 | 663 | blk = "\t<p>#{ blk }</p>" |
|
|
666 | 664 | end |
|
|
667 | 665 | end |
|
|
668 | 666 | # hard_break blk |
|
|
669 | 667 | blk + "\n#{ code_blk }" |
|
|
670 | 668 | end |
|
|
671 | 669 | end |
|
|
672 | 670 | |
|
|
673 | 671 | end.join( "\n\n" ) ) |
|
|
674 | 672 | end |
|
|
675 | 673 | |
|
|
676 | 674 | def textile_bq( tag, atts, cite, content ) |
|
|
677 | 675 | cite, cite_title = check_refs( cite ) |
|
|
678 | 676 | cite = " cite=\"#{ cite }\"" if cite |
|
|
679 | 677 | atts = shelve( atts ) if atts |
|
|
680 | 678 | "\t<blockquote#{ cite }>\n\t\t<p#{ atts }>#{ content }</p>\n\t</blockquote>" |
|
|
681 | 679 | end |
|
|
682 | 680 | |
|
|
683 | 681 | def textile_p( tag, atts, cite, content ) |
|
|
684 | 682 | atts = shelve( atts ) if atts |
|
|
685 | 683 | "\t<#{ tag }#{ atts }>#{ content }</#{ tag }>" |
|
|
686 | 684 | end |
|
|
687 | 685 | |
|
|
688 | 686 | alias textile_h1 textile_p |
|
|
689 | 687 | alias textile_h2 textile_p |
|
|
690 | 688 | alias textile_h3 textile_p |
|
|
691 | 689 | alias textile_h4 textile_p |
|
|
692 | 690 | alias textile_h5 textile_p |
|
|
693 | 691 | alias textile_h6 textile_p |
|
|
694 | 692 | |
|
|
695 | 693 | def textile_fn_( tag, num, atts, cite, content ) |
|
|
696 | 694 | atts << " id=\"fn#{ num }\" class=\"footnote\"" |
|
|
697 | 695 | content = "<sup>#{ num }</sup> #{ content }" |
|
|
698 | 696 | atts = shelve( atts ) if atts |
|
|
699 | 697 | "\t<p#{ atts }>#{ content }</p>" |
|
|
700 | 698 | end |
|
|
701 | 699 | |
|
|
702 | 700 | BLOCK_RE = /^(([a-z]+)(\d*))(#{A}#{C})\.(?::(\S+))? (.*)$/m |
|
|
703 | 701 | |
|
|
704 | 702 | def block_textile_prefix( text ) |
|
|
705 | 703 | if text =~ BLOCK_RE |
|
|
706 | 704 | tag,tagpre,num,atts,cite,content = $~[1..6] |
|
|
707 | 705 | atts = pba( atts ) |
|
|
708 | 706 | |
|
|
709 | 707 | # pass to prefix handler |
|
|
710 | 708 | if respond_to? "textile_#{ tag }", true |
|
|
711 | 709 | text.gsub!( $&, method( "textile_#{ tag }" ).call( tag, atts, cite, content ) ) |
|
|
712 | 710 | elsif respond_to? "textile_#{ tagpre }_", true |
|
|
713 | 711 | text.gsub!( $&, method( "textile_#{ tagpre }_" ).call( tagpre, num, atts, cite, content ) ) |
|
|
714 | 712 | end |
|
|
715 | 713 | end |
|
|
716 | 714 | end |
|
|
717 | 715 | |
|
|
718 | 716 | SETEXT_RE = /\A(.+?)\n([=-])[=-]* *$/m |
|
|
719 | 717 | def block_markdown_setext( text ) |
|
|
720 | 718 | if text =~ SETEXT_RE |
|
|
721 | 719 | tag = if $2 == "="; "h1"; else; "h2"; end |
|
|
722 | 720 | blk, cont = "<#{ tag }>#{ $1 }</#{ tag }>", $' |
|
|
723 | 721 | blocks cont |
|
|
724 | 722 | text.replace( blk + cont ) |
|
|
725 | 723 | end |
|
|
726 | 724 | end |
|
|
727 | 725 | |
|
|
728 | 726 | ATX_RE = /\A(\#{1,6}) # $1 = string of #'s |
|
|
729 | 727 | [ ]* |
|
|
730 | 728 | (.+?) # $2 = Header text |
|
|
731 | 729 | [ ]* |
|
|
732 | 730 | \#* # optional closing #'s (not counted) |
|
|
733 | 731 | $/x |
|
|
734 | 732 | def block_markdown_atx( text ) |
|
|
735 | 733 | if text =~ ATX_RE |
|
|
736 | 734 | tag = "h#{ $1.length }" |
|
|
737 | 735 | blk, cont = "<#{ tag }>#{ $2 }</#{ tag }>\n\n", $' |
|
|
738 | 736 | blocks cont |
|
|
739 | 737 | text.replace( blk + cont ) |
|
|
740 | 738 | end |
|
|
741 | 739 | end |
|
|
742 | 740 | |
|
|
743 | 741 | MARKDOWN_BQ_RE = /\A(^ *> ?.+$(.+\n)*\n*)+/m |
|
|
744 | 742 | |
|
|
745 | 743 | def block_markdown_bq( text ) |
|
|
746 | 744 | text.gsub!( MARKDOWN_BQ_RE ) do |blk| |
|
|
747 | 745 | blk.gsub!( /^ *> ?/, '' ) |
|
|
748 | 746 | flush_left blk |
|
|
749 | 747 | blocks blk |
|
|
750 | 748 | blk.gsub!( /^(\S)/, "\t\\1" ) |
|
|
751 | 749 | "<blockquote>\n#{ blk }\n</blockquote>\n\n" |
|
|
752 | 750 | end |
|
|
753 | 751 | end |
|
|
754 | 752 | |
|
|
755 | 753 | MARKDOWN_RULE_RE = /^(#{ |
|
|
756 | 754 | ['*', '-', '_'].collect { |ch| ' ?(' + Regexp::quote( ch ) + ' ?){3,}' }.join( '|' ) |
|
|
757 | 755 | })$/ |
|
|
758 | 756 | |
|
|
759 | 757 | def block_markdown_rule( text ) |
|
|
760 | 758 | text.gsub!( MARKDOWN_RULE_RE ) do |blk| |
|
|
761 | 759 | "<hr />" |
|
|
762 | 760 | end |
|
|
763 | 761 | end |
|
|
764 | 762 | |
|
|
765 | 763 | # XXX TODO XXX |
|
|
766 | 764 | def block_markdown_lists( text ) |
|
|
767 | 765 | end |
|
|
768 | 766 | |
|
|
769 | 767 | def inline_textile_span( text ) |
|
|
770 | 768 | QTAGS.each do |qtag_rc, ht, qtag_re, rtype| |
|
|
771 | 769 | text.gsub!( qtag_re ) do |m| |
|
|
772 | 770 | |
|
|
773 | 771 | case rtype |
|
|
774 | 772 | when :limit |
|
|
775 |
sta,oqs,qtag |
|
|
|
773 | sta,oqs,qtag,content,oqa = $~[1..6] | |
|
|
774 | atts = nil | |
|
|
775 | if content =~ /^(#{C})(.+)$/ | |
|
|
776 | atts, content = $~[1..2] | |
|
|
777 | end | |
|
|
776 | 778 | else |
|
|
777 | 779 | qtag,atts,cite,content = $~[1..4] |
|
|
778 | 780 | sta = '' |
|
|
779 | 781 | end |
|
|
780 | 782 | atts = pba( atts ) |
|
|
781 | atts << " cite=\"#{ cite }\"" if cite | |
|
|
782 | 783 | atts = shelve( atts ) if atts |
|
|
783 | 784 | |
|
|
784 | 785 | "#{ sta }#{ oqs }<#{ ht }#{ atts }>#{ content }</#{ ht }>#{ oqa }" |
|
|
785 | 786 | |
|
|
786 | 787 | end |
|
|
787 | 788 | end |
|
|
788 | 789 | end |
|
|
789 | 790 | |
|
|
790 | 791 | LINK_RE = / |
|
|
791 | 792 | ( |
|
|
792 | 793 | ([\s\[{(]|[#{PUNCT}])? # $pre |
|
|
793 | 794 | " # start |
|
|
794 | 795 | (#{C}) # $atts |
|
|
795 | 796 | ([^"\n]+?) # $text |
|
|
796 | 797 | \s? |
|
|
797 | 798 | (?:\(([^)]+?)\)(?="))? # $title |
|
|
798 | 799 | ": |
|
|
799 | 800 | ( # $url |
|
|
800 | 801 | (\/|[a-zA-Z]+:\/\/|www\.|mailto:) # $proto |
|
|
801 | 802 | [\w\/]\S+? |
|
|
802 | 803 | ) |
|
|
803 | 804 | (\/)? # $slash |
|
|
804 | 805 | ([^\w\=\/;\(\)]*?) # $post |
|
|
805 | 806 | ) |
|
|
806 | 807 | (?=<|\s|$) |
|
|
807 | 808 | /x |
|
|
808 | 809 | #" |
|
|
809 | 810 | def inline_textile_link( text ) |
|
|
810 | 811 | text.gsub!( LINK_RE ) do |m| |
|
|
811 | 812 | all,pre,atts,text,title,url,proto,slash,post = $~[1..9] |
|
|
812 | 813 | if text.include?('<br />') |
|
|
813 | 814 | all |
|
|
814 | 815 | else |
|
|
815 | 816 | url, url_title = check_refs( url ) |
|
|
816 | 817 | title ||= url_title |
|
|
817 | 818 | |
|
|
818 | 819 | # Idea below : an URL with unbalanced parethesis and |
|
|
819 | 820 | # ending by ')' is put into external parenthesis |
|
|
820 | 821 | if ( url[-1]==?) and ((url.count("(") - url.count(")")) < 0 ) ) |
|
|
821 | 822 | url=url[0..-2] # discard closing parenth from url |
|
|
822 | 823 | post = ")"+post # add closing parenth to post |
|
|
823 | 824 | end |
|
|
824 | 825 | atts = pba( atts ) |
|
|
825 | 826 | atts = " href=\"#{ url }#{ slash }\"#{ atts }" |
|
|
826 | 827 | atts << " title=\"#{ htmlesc title }\"" if title |
|
|
827 | 828 | atts = shelve( atts ) if atts |
|
|
828 | 829 | |
|
|
829 | 830 | external = (url =~ /^https?:\/\//) ? ' class="external"' : '' |
|
|
830 | 831 | |
|
|
831 | 832 | "#{ pre }<a#{ atts }#{ external }>#{ text }</a>#{ post }" |
|
|
832 | 833 | end |
|
|
833 | 834 | end |
|
|
834 | 835 | end |
|
|
835 | 836 | |
|
|
836 | 837 | MARKDOWN_REFLINK_RE = / |
|
|
837 | 838 | \[([^\[\]]+)\] # $text |
|
|
838 | 839 | [ ]? # opt. space |
|
|
839 | 840 | (?:\n[ ]*)? # one optional newline followed by spaces |
|
|
840 | 841 | \[(.*?)\] # $id |
|
|
841 | 842 | /x |
|
|
842 | 843 | |
|
|
843 | 844 | def inline_markdown_reflink( text ) |
|
|
844 | 845 | text.gsub!( MARKDOWN_REFLINK_RE ) do |m| |
|
|
845 | 846 | text, id = $~[1..2] |
|
|
846 | 847 | |
|
|
847 | 848 | if id.empty? |
|
|
848 | 849 | url, title = check_refs( text ) |
|
|
849 | 850 | else |
|
|
850 | 851 | url, title = check_refs( id ) |
|
|
851 | 852 | end |
|
|
852 | 853 | |
|
|
853 | 854 | atts = " href=\"#{ url }\"" |
|
|
854 | 855 | atts << " title=\"#{ title }\"" if title |
|
|
855 | 856 | atts = shelve( atts ) |
|
|
856 | 857 | |
|
|
857 | 858 | "<a#{ atts }>#{ text }</a>" |
|
|
858 | 859 | end |
|
|
859 | 860 | end |
|
|
860 | 861 | |
|
|
861 | 862 | MARKDOWN_LINK_RE = / |
|
|
862 | 863 | \[([^\[\]]+)\] # $text |
|
|
863 | 864 | \( # open paren |
|
|
864 | 865 | [ \t]* # opt space |
|
|
865 | 866 | <?(.+?)>? # $href |
|
|
866 | 867 | [ \t]* # opt space |
|
|
867 | 868 | (?: # whole title |
|
|
868 | 869 | (['"]) # $quote |
|
|
869 | 870 | (.*?) # $title |
|
|
870 | 871 | \3 # matching quote |
|
|
871 | 872 | )? # title is optional |
|
|
872 | 873 | \) |
|
|
873 | 874 | /x |
|
|
874 | 875 | |
|
|
875 | 876 | def inline_markdown_link( text ) |
|
|
876 | 877 | text.gsub!( MARKDOWN_LINK_RE ) do |m| |
|
|
877 | 878 | text, url, quote, title = $~[1..4] |
|
|
878 | 879 | |
|
|
879 | 880 | atts = " href=\"#{ url }\"" |
|
|
880 | 881 | atts << " title=\"#{ title }\"" if title |
|
|
881 | 882 | atts = shelve( atts ) |
|
|
882 | 883 | |
|
|
883 | 884 | "<a#{ atts }>#{ text }</a>" |
|
|
884 | 885 | end |
|
|
885 | 886 | end |
|
|
886 | 887 | |
|
|
887 | 888 | TEXTILE_REFS_RE = /(^ *)\[([^\[\n]+?)\](#{HYPERLINK})(?=\s|$)/ |
|
|
888 | 889 | MARKDOWN_REFS_RE = /(^ *)\[([^\n]+?)\]:\s+<?(#{HYPERLINK})>?(?:\s+"((?:[^"]|\\")+)")?(?=\s|$)/m |
|
|
889 | 890 | |
|
|
890 | 891 | def refs( text ) |
|
|
891 | 892 | @rules.each do |rule_name| |
|
|
892 | 893 | method( rule_name ).call( text ) if rule_name.to_s.match /^refs_/ |
|
|
893 | 894 | end |
|
|
894 | 895 | end |
|
|
895 | 896 | |
|
|
896 | 897 | def refs_textile( text ) |
|
|
897 | 898 | text.gsub!( TEXTILE_REFS_RE ) do |m| |
|
|
898 | 899 | flag, url = $~[2..3] |
|
|
899 | 900 | @urlrefs[flag.downcase] = [url, nil] |
|
|
900 | 901 | nil |
|
|
901 | 902 | end |
|
|
902 | 903 | end |
|
|
903 | 904 | |
|
|
904 | 905 | def refs_markdown( text ) |
|
|
905 | 906 | text.gsub!( MARKDOWN_REFS_RE ) do |m| |
|
|
906 | 907 | flag, url = $~[2..3] |
|
|
907 | 908 | title = $~[6] |
|
|
908 | 909 | @urlrefs[flag.downcase] = [url, title] |
|
|
909 | 910 | nil |
|
|
910 | 911 | end |
|
|
911 | 912 | end |
|
|
912 | 913 | |
|
|
913 | 914 | def check_refs( text ) |
|
|
914 | 915 | ret = @urlrefs[text.downcase] if text |
|
|
915 | 916 | ret || [text, nil] |
|
|
916 | 917 | end |
|
|
917 | 918 | |
|
|
918 | 919 | IMAGE_RE = / |
|
|
919 | 920 | (>|\s|^) # start of line? |
|
|
920 | 921 | \! # opening |
|
|
921 | 922 | (\<|\=|\>)? # optional alignment atts |
|
|
922 | 923 | (#{C}) # optional style,class atts |
|
|
923 | 924 | (?:\. )? # optional dot-space |
|
|
924 | 925 | ([^\s(!]+?) # presume this is the src |
|
|
925 | 926 | \s? # optional space |
|
|
926 | 927 | (?:\(((?:[^\(\)]|\([^\)]+\))+?)\))? # optional title |
|
|
927 | 928 | \! # closing |
|
|
928 | 929 | (?::#{ HYPERLINK })? # optional href |
|
|
929 | 930 | /x |
|
|
930 | 931 | |
|
|
931 | 932 | def inline_textile_image( text ) |
|
|
932 | 933 | text.gsub!( IMAGE_RE ) do |m| |
|
|
933 | 934 | stln,algn,atts,url,title,href,href_a1,href_a2 = $~[1..8] |
|
|
934 | 935 | htmlesc title |
|
|
935 | 936 | atts = pba( atts ) |
|
|
936 | 937 | atts = " src=\"#{ url }\"#{ atts }" |
|
|
937 | 938 | atts << " title=\"#{ title }\"" if title |
|
|
938 | 939 | atts << " alt=\"#{ title }\"" |
|
|
939 | 940 | # size = @getimagesize($url); |
|
|
940 | 941 | # if($size) $atts.= " $size[3]"; |
|
|
941 | 942 | |
|
|
942 | 943 | href, alt_title = check_refs( href ) if href |
|
|
943 | 944 | url, url_title = check_refs( url ) |
|
|
944 | 945 | |
|
|
945 | 946 | out = '' |
|
|
946 | 947 | out << "<a#{ shelve( " href=\"#{ href }\"" ) }>" if href |
|
|
947 | 948 | out << "<img#{ shelve( atts ) } />" |
|
|
948 | 949 | out << "</a>#{ href_a1 }#{ href_a2 }" if href |
|
|
949 | 950 | |
|
|
950 | 951 | if algn |
|
|
951 | 952 | algn = h_align( algn ) |
|
|
952 | 953 | if stln == "<p>" |
|
|
953 | 954 | out = "<p style=\"float:#{ algn }\">#{ out }" |
|
|
954 | 955 | else |
|
|
955 | 956 | out = "#{ stln }<div style=\"float:#{ algn }\">#{ out }</div>" |
|
|
956 | 957 | end |
|
|
957 | 958 | else |
|
|
958 | 959 | out = stln + out |
|
|
959 | 960 | end |
|
|
960 | 961 | |
|
|
961 | 962 | out |
|
|
962 | 963 | end |
|
|
963 | 964 | end |
|
|
964 | 965 | |
|
|
965 | 966 | def shelve( val ) |
|
|
966 | 967 | @shelf << val |
|
|
967 | 968 | " :redsh##{ @shelf.length }:" |
|
|
968 | 969 | end |
|
|
969 | 970 | |
|
|
970 | 971 | def retrieve( text ) |
|
|
971 | 972 | @shelf.each_with_index do |r, i| |
|
|
972 | 973 | text.gsub!( " :redsh##{ i + 1 }:", r ) |
|
|
973 | 974 | end |
|
|
974 | 975 | end |
|
|
975 | 976 | |
|
|
976 | 977 | def incoming_entities( text ) |
|
|
977 | 978 | ## turn any incoming ampersands into a dummy character for now. |
|
|
978 | 979 | ## This uses a negative lookahead for alphanumerics followed by a semicolon, |
|
|
979 | 980 | ## implying an incoming html entity, to be skipped |
|
|
980 | 981 | |
|
|
981 | 982 | text.gsub!( /&(?![#a-z0-9]+;)/i, "x%x%" ) |
|
|
982 | 983 | end |
|
|
983 | 984 | |
|
|
984 | 985 | def no_textile( text ) |
|
|
985 | 986 | text.gsub!( /(^|\s)==([^=]+.*?)==(\s|$)?/, |
|
|
986 | 987 | '\1<notextile>\2</notextile>\3' ) |
|
|
987 | 988 | text.gsub!( /^ *==([^=]+.*?)==/m, |
|
|
988 | 989 | '\1<notextile>\2</notextile>\3' ) |
|
|
989 | 990 | end |
|
|
990 | 991 | |
|
|
991 | 992 | def clean_white_space( text ) |
|
|
992 | 993 | # normalize line breaks |
|
|
993 | 994 | text.gsub!( /\r\n/, "\n" ) |
|
|
994 | 995 | text.gsub!( /\r/, "\n" ) |
|
|
995 | 996 | text.gsub!( /\t/, ' ' ) |
|
|
996 | 997 | text.gsub!( /^ +$/, '' ) |
|
|
997 | 998 | text.gsub!( /\n{3,}/, "\n\n" ) |
|
|
998 | 999 | text.gsub!( /"$/, "\" " ) |
|
|
999 | 1000 | |
|
|
1000 | 1001 | # if entire document is indented, flush |
|
|
1001 | 1002 | # to the left side |
|
|
1002 | 1003 | flush_left text |
|
|
1003 | 1004 | end |
|
|
1004 | 1005 | |
|
|
1005 | 1006 | def flush_left( text ) |
|
|
1006 | 1007 | indt = 0 |
|
|
1007 | 1008 | if text =~ /^ / |
|
|
1008 | 1009 | while text !~ /^ {#{indt}}\S/ |
|
|
1009 | 1010 | indt += 1 |
|
|
1010 | 1011 | end unless text.empty? |
|
|
1011 | 1012 | if indt.nonzero? |
|
|
1012 | 1013 | text.gsub!( /^ {#{indt}}/, '' ) |
|
|
1013 | 1014 | end |
|
|
1014 | 1015 | end |
|
|
1015 | 1016 | end |
|
|
1016 | 1017 | |
|
|
1017 | 1018 | def footnote_ref( text ) |
|
|
1018 | 1019 | text.gsub!( /\b\[([0-9]+?)\](\s)?/, |
|
|
1019 | 1020 | '<sup><a href="#fn\1">\1</a></sup>\2' ) |
|
|
1020 | 1021 | end |
|
|
1021 | 1022 | |
|
|
1022 | 1023 | OFFTAGS = /(code|pre|kbd|notextile)/ |
|
|
1023 | 1024 | OFFTAG_MATCH = /(?:(<\/#{ OFFTAGS }>)|(<#{ OFFTAGS }[^>]*>))(.*?)(?=<\/?#{ OFFTAGS }\W|\Z)/mi |
|
|
1024 | 1025 | OFFTAG_OPEN = /<#{ OFFTAGS }/ |
|
|
1025 | 1026 | OFFTAG_CLOSE = /<\/?#{ OFFTAGS }/ |
|
|
1026 | 1027 | HASTAG_MATCH = /(<\/?\w[^\n]*?>)/m |
|
|
1027 | 1028 | ALLTAG_MATCH = /(<\/?\w[^\n]*?>)|.*?(?=<\/?\w[^\n]*?>|$)/m |
|
|
1028 | 1029 | |
|
|
1029 | 1030 | def glyphs_textile( text, level = 0 ) |
|
|
1030 | 1031 | if text !~ HASTAG_MATCH |
|
|
1031 | 1032 | pgl text |
|
|
1032 | 1033 | footnote_ref text |
|
|
1033 | 1034 | else |
|
|
1034 | 1035 | codepre = 0 |
|
|
1035 | 1036 | text.gsub!( ALLTAG_MATCH ) do |line| |
|
|
1036 | 1037 | ## matches are off if we're between <code>, <pre> etc. |
|
|
1037 | 1038 | if $1 |
|
|
1038 | 1039 | if line =~ OFFTAG_OPEN |
|
|
1039 | 1040 | codepre += 1 |
|
|
1040 | 1041 | elsif line =~ OFFTAG_CLOSE |
|
|
1041 | 1042 | codepre -= 1 |
|
|
1042 | 1043 | codepre = 0 if codepre < 0 |
|
|
1043 | 1044 | end |
|
|
1044 | 1045 | elsif codepre.zero? |
|
|
1045 | 1046 | glyphs_textile( line, level + 1 ) |
|
|
1046 | 1047 | else |
|
|
1047 | 1048 | htmlesc( line, :NoQuotes ) |
|
|
1048 | 1049 | end |
|
|
1049 | 1050 | # p [level, codepre, line] |
|
|
1050 | 1051 | |
|
|
1051 | 1052 | line |
|
|
1052 | 1053 | end |
|
|
1053 | 1054 | end |
|
|
1054 | 1055 | end |
|
|
1055 | 1056 | |
|
|
1056 | 1057 | def rip_offtags( text ) |
|
|
1057 | 1058 | if text =~ /<.*>/ |
|
|
1058 | 1059 | ## strip and encode <pre> content |
|
|
1059 | 1060 | codepre, used_offtags = 0, {} |
|
|
1060 | 1061 | text.gsub!( OFFTAG_MATCH ) do |line| |
|
|
1061 | 1062 | if $3 |
|
|
1062 | 1063 | offtag, aftertag = $4, $5 |
|
|
1063 | 1064 | codepre += 1 |
|
|
1064 | 1065 | used_offtags[offtag] = true |
|
|
1065 | 1066 | if codepre - used_offtags.length > 0 |
|
|
1066 | 1067 | htmlesc( line, :NoQuotes ) |
|
|
1067 | 1068 | @pre_list.last << line |
|
|
1068 | 1069 | line = "" |
|
|
1069 | 1070 | else |
|
|
1070 | 1071 | htmlesc( aftertag, :NoQuotes ) if aftertag |
|
|
1071 | 1072 | line = "<redpre##{ @pre_list.length }>" |
|
|
1072 | 1073 | $3.match(/<#{ OFFTAGS }([^>]*)>/) |
|
|
1073 | 1074 | tag = $1 |
|
|
1074 | 1075 | $2.to_s.match(/(class\=\S+)/i) |
|
|
1075 | 1076 | tag << " #{$1}" if $1 |
|
|
1076 | 1077 | @pre_list << "<#{ tag }>#{ aftertag }" |
|
|
1077 | 1078 | end |
|
|
1078 | 1079 | elsif $1 and codepre > 0 |
|
|
1079 | 1080 | if codepre - used_offtags.length > 0 |
|
|
1080 | 1081 | htmlesc( line, :NoQuotes ) |
|
|
1081 | 1082 | @pre_list.last << line |
|
|
1082 | 1083 | line = "" |
|
|
1083 | 1084 | end |
|
|
1084 | 1085 | codepre -= 1 unless codepre.zero? |
|
|
1085 | 1086 | used_offtags = {} if codepre.zero? |
|
|
1086 | 1087 | end |
|
|
1087 | 1088 | line |
|
|
1088 | 1089 | end |
|
|
1089 | 1090 | end |
|
|
1090 | 1091 | text |
|
|
1091 | 1092 | end |
|
|
1092 | 1093 | |
|
|
1093 | 1094 | def smooth_offtags( text ) |
|
|
1094 | 1095 | unless @pre_list.empty? |
|
|
1095 | 1096 | ## replace <pre> content |
|
|
1096 | 1097 | text.gsub!( /<redpre#(\d+)>/ ) { @pre_list[$1.to_i] } |
|
|
1097 | 1098 | end |
|
|
1098 | 1099 | end |
|
|
1099 | 1100 | |
|
|
1100 | 1101 | def inline( text ) |
|
|
1101 | 1102 | [/^inline_/, /^glyphs_/].each do |meth_re| |
|
|
1102 | 1103 | @rules.each do |rule_name| |
|
|
1103 | 1104 | method( rule_name ).call( text ) if rule_name.to_s.match( meth_re ) |
|
|
1104 | 1105 | end |
|
|
1105 | 1106 | end |
|
|
1106 | 1107 | end |
|
|
1107 | 1108 | |
|
|
1108 | 1109 | def h_align( text ) |
|
|
1109 | 1110 | H_ALGN_VALS[text] |
|
|
1110 | 1111 | end |
|
|
1111 | 1112 | |
|
|
1112 | 1113 | def v_align( text ) |
|
|
1113 | 1114 | V_ALGN_VALS[text] |
|
|
1114 | 1115 | end |
|
|
1115 | 1116 | |
|
|
1116 | 1117 | def textile_popup_help( name, windowW, windowH ) |
|
|
1117 | 1118 | ' <a target="_blank" href="http://hobix.com/textile/#' + helpvar + '" onclick="window.open(this.href, \'popupwindow\', \'width=' + windowW + ',height=' + windowH + ',scrollbars,resizable\'); return false;">' + name + '</a><br />' |
|
|
1118 | 1119 | end |
|
|
1119 | 1120 | |
|
|
1120 | 1121 | # HTML cleansing stuff |
|
|
1121 | 1122 | BASIC_TAGS = { |
|
|
1122 | 1123 | 'a' => ['href', 'title'], |
|
|
1123 | 1124 | 'img' => ['src', 'alt', 'title'], |
|
|
1124 | 1125 | 'br' => [], |
|
|
1125 | 1126 | 'i' => nil, |
|
|
1126 | 1127 | 'u' => nil, |
|
|
1127 | 1128 | 'b' => nil, |
|
|
1128 | 1129 | 'pre' => nil, |
|
|
1129 | 1130 | 'kbd' => nil, |
|
|
1130 | 1131 | 'code' => ['lang'], |
|
|
1131 | 1132 | 'cite' => nil, |
|
|
1132 | 1133 | 'strong' => nil, |
|
|
1133 | 1134 | 'em' => nil, |
|
|
1134 | 1135 | 'ins' => nil, |
|
|
1135 | 1136 | 'sup' => nil, |
|
|
1136 | 1137 | 'sub' => nil, |
|
|
1137 | 1138 | 'del' => nil, |
|
|
1138 | 1139 | 'table' => nil, |
|
|
1139 | 1140 | 'tr' => nil, |
|
|
1140 | 1141 | 'td' => ['colspan', 'rowspan'], |
|
|
1141 | 1142 | 'th' => nil, |
|
|
1142 | 1143 | 'ol' => nil, |
|
|
1143 | 1144 | 'ul' => nil, |
|
|
1144 | 1145 | 'li' => nil, |
|
|
1145 | 1146 | 'p' => nil, |
|
|
1146 | 1147 | 'h1' => nil, |
|
|
1147 | 1148 | 'h2' => nil, |
|
|
1148 | 1149 | 'h3' => nil, |
|
|
1149 | 1150 | 'h4' => nil, |
|
|
1150 | 1151 | 'h5' => nil, |
|
|
1151 | 1152 | 'h6' => nil, |
|
|
1152 | 1153 | 'blockquote' => ['cite'] |
|
|
1153 | 1154 | } |
|
|
1154 | 1155 | |
|
|
1155 | 1156 | def clean_html( text, tags = BASIC_TAGS ) |
|
|
1156 | 1157 | text.gsub!( /<!\[CDATA\[/, '' ) |
|
|
1157 | 1158 | text.gsub!( /<(\/*)(\w+)([^>]*)>/ ) do |
|
|
1158 | 1159 | raw = $~ |
|
|
1159 | 1160 | tag = raw[2].downcase |
|
|
1160 | 1161 | if tags.has_key? tag |
|
|
1161 | 1162 | pcs = [tag] |
|
|
1162 | 1163 | tags[tag].each do |prop| |
|
|
1163 | 1164 | ['"', "'", ''].each do |q| |
|
|
1164 | 1165 | q2 = ( q != '' ? q : '\s' ) |
|
|
1165 | 1166 | if raw[3] =~ /#{prop}\s*=\s*#{q}([^#{q2}]+)#{q}/i |
|
|
1166 | 1167 | attrv = $1 |
|
|
1167 | 1168 | next if prop == 'src' and attrv =~ %r{^(?!http)\w+:} |
|
|
1168 | 1169 | pcs << "#{prop}=\"#{$1.gsub('"', '\\"')}\"" |
|
|
1169 | 1170 | break |
|
|
1170 | 1171 | end |
|
|
1171 | 1172 | end |
|
|
1172 | 1173 | end if tags[tag] |
|
|
1173 | 1174 | "<#{raw[1]}#{pcs.join " "}>" |
|
|
1174 | 1175 | else |
|
|
1175 | 1176 | " " |
|
|
1176 | 1177 | end |
|
|
1177 | 1178 | end |
|
|
1178 | 1179 | end |
|
|
1179 | 1180 | |
|
|
1180 | 1181 | ALLOWED_TAGS = %w(redpre pre code notextile) |
|
|
1181 | 1182 | |
|
|
1182 | 1183 | def escape_html_tags(text) |
|
|
1183 | 1184 | text.gsub!(%r{<(\/?([!\w]+)[^<>\n]*)(>?)}) {|m| ALLOWED_TAGS.include?($2) ? "<#{$1}#{$3}" : "<#{$1}#{'>' unless $3.blank?}" } |
|
|
1184 | 1185 | end |
|
|
1185 | 1186 | end |
|
|
1186 | 1187 | |
| @@ -1,45 +1,63 | |||
|
|
1 | 1 | # Redmine - project management software |
|
|
2 | 2 | # Copyright (C) 2006-2010 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 File.dirname(__FILE__) + '/../../../../test_helper' |
|
|
19 | 19 | |
|
|
20 | 20 | class Redmine::WikiFormatting::TextileFormatterTest < HelperTestCase |
|
|
21 | 21 | |
|
|
22 | 22 | def setup |
|
|
23 | 23 | @formatter = Redmine::WikiFormatting::Textile::Formatter |
|
|
24 | 24 | end |
|
|
25 | 25 | |
|
|
26 | 26 | MODIFIERS = { |
|
|
27 | 27 | "*" => 'strong', # bold |
|
|
28 | 28 | "_" => 'em', # italic |
|
|
29 | 29 | "+" => 'ins', # underline |
|
|
30 | 30 | "-" => 'del', # deleted |
|
|
31 | 31 | "^" => 'sup', # superscript |
|
|
32 | 32 | "~" => 'sub' # subscript |
|
|
33 | 33 | } |
|
|
34 | 34 | |
|
|
35 | def test_modifiers | |
|
|
36 | to_test = { | |
|
|
37 | '*bold*' => '<strong>bold</strong>', | |
|
|
38 | 'before *bold*' => 'before <strong>bold</strong>', | |
|
|
39 | '*bold* after' => '<strong>bold</strong> after', | |
|
|
40 | '*two words*' => '<strong>two words</strong>', | |
|
|
41 | '*two*words*' => '<strong>two*words</strong>', | |
|
|
42 | '*two * words*' => '<strong>two * words</strong>', | |
|
|
43 | '*two* *words*' => '<strong>two</strong> <strong>words</strong>', | |
|
|
44 | '*(two)* *(words)*' => '<strong>(two)</strong> <strong>(words)</strong>', | |
|
|
45 | # with class | |
|
|
46 | '*(foo)two words*' => '<strong class="foo">two words</strong>', | |
|
|
47 | } | |
|
|
48 | to_test.each do |text, expected| | |
|
|
49 | assert_equal "<p>#{expected}</p>", @formatter.new(text).to_html | |
|
|
50 | end | |
|
|
51 | end | |
|
|
52 | ||
|
|
35 | 53 | def test_modifiers_combination |
|
|
36 | 54 | MODIFIERS.each do |m1, tag1| |
|
|
37 | 55 | MODIFIERS.each do |m2, tag2| |
|
|
38 | 56 | next if m1 == m2 |
|
|
39 | 57 | text = "#{m2}#{m1}Phrase modifiers#{m1}#{m2}" |
|
|
40 | 58 | html = "<p><#{tag2}><#{tag1}>Phrase modifiers</#{tag1}></#{tag2}></p>" |
|
|
41 | 59 | assert_equal html, @formatter.new(text).to_html |
|
|
42 | 60 | end |
|
|
43 | 61 | end |
|
|
44 | 62 | end |
|
|
45 | 63 | end |
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