##// END OF EJS Templates
Do not html escape code that is going to be highlighted (#2985, #3359)....
Jean-Philippe Lang -
r3468:7621463acb1c
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@@ -1,1187 +1,1191
1 # vim:ts=4:sw=4:
1 # vim:ts=4:sw=4:
2 # = RedCloth - Textile and Markdown Hybrid for Ruby
2 # = RedCloth - Textile and Markdown Hybrid for Ruby
3 #
3 #
4 # Homepage:: http://whytheluckystiff.net/ruby/redcloth/
4 # Homepage:: http://whytheluckystiff.net/ruby/redcloth/
5 # Author:: why the lucky stiff (http://whytheluckystiff.net/)
5 # Author:: why the lucky stiff (http://whytheluckystiff.net/)
6 # Copyright:: (cc) 2004 why the lucky stiff (and his puppet organizations.)
6 # Copyright:: (cc) 2004 why the lucky stiff (and his puppet organizations.)
7 # License:: BSD
7 # License:: BSD
8 #
8 #
9 # (see http://hobix.com/textile/ for a Textile Reference.)
9 # (see http://hobix.com/textile/ for a Textile Reference.)
10 #
10 #
11 # Based on (and also inspired by) both:
11 # Based on (and also inspired by) both:
12 #
12 #
13 # PyTextile: http://diveintomark.org/projects/textile/textile.py.txt
13 # PyTextile: http://diveintomark.org/projects/textile/textile.py.txt
14 # Textism for PHP: http://www.textism.com/tools/textile/
14 # Textism for PHP: http://www.textism.com/tools/textile/
15 #
15 #
16 #
16 #
17
17
18 # = RedCloth
18 # = RedCloth
19 #
19 #
20 # RedCloth is a Ruby library for converting Textile and/or Markdown
20 # RedCloth is a Ruby library for converting Textile and/or Markdown
21 # into HTML. You can use either format, intermingled or separately.
21 # into HTML. You can use either format, intermingled or separately.
22 # You can also extend RedCloth to honor your own custom text stylings.
22 # You can also extend RedCloth to honor your own custom text stylings.
23 #
23 #
24 # RedCloth users are encouraged to use Textile if they are generating
24 # RedCloth users are encouraged to use Textile if they are generating
25 # HTML and to use Markdown if others will be viewing the plain text.
25 # HTML and to use Markdown if others will be viewing the plain text.
26 #
26 #
27 # == What is Textile?
27 # == What is Textile?
28 #
28 #
29 # Textile is a simple formatting style for text
29 # Textile is a simple formatting style for text
30 # documents, loosely based on some HTML conventions.
30 # documents, loosely based on some HTML conventions.
31 #
31 #
32 # == Sample Textile Text
32 # == Sample Textile Text
33 #
33 #
34 # h2. This is a title
34 # h2. This is a title
35 #
35 #
36 # h3. This is a subhead
36 # h3. This is a subhead
37 #
37 #
38 # This is a bit of paragraph.
38 # This is a bit of paragraph.
39 #
39 #
40 # bq. This is a blockquote.
40 # bq. This is a blockquote.
41 #
41 #
42 # = Writing Textile
42 # = Writing Textile
43 #
43 #
44 # A Textile document consists of paragraphs. Paragraphs
44 # A Textile document consists of paragraphs. Paragraphs
45 # can be specially formatted by adding a small instruction
45 # can be specially formatted by adding a small instruction
46 # to the beginning of the paragraph.
46 # to the beginning of the paragraph.
47 #
47 #
48 # h[n]. Header of size [n].
48 # h[n]. Header of size [n].
49 # bq. Blockquote.
49 # bq. Blockquote.
50 # # Numeric list.
50 # # Numeric list.
51 # * Bulleted list.
51 # * Bulleted list.
52 #
52 #
53 # == Quick Phrase Modifiers
53 # == Quick Phrase Modifiers
54 #
54 #
55 # Quick phrase modifiers are also included, to allow formatting
55 # Quick phrase modifiers are also included, to allow formatting
56 # of small portions of text within a paragraph.
56 # of small portions of text within a paragraph.
57 #
57 #
58 # \_emphasis\_
58 # \_emphasis\_
59 # \_\_italicized\_\_
59 # \_\_italicized\_\_
60 # \*strong\*
60 # \*strong\*
61 # \*\*bold\*\*
61 # \*\*bold\*\*
62 # ??citation??
62 # ??citation??
63 # -deleted text-
63 # -deleted text-
64 # +inserted text+
64 # +inserted text+
65 # ^superscript^
65 # ^superscript^
66 # ~subscript~
66 # ~subscript~
67 # @code@
67 # @code@
68 # %(classname)span%
68 # %(classname)span%
69 #
69 #
70 # ==notextile== (leave text alone)
70 # ==notextile== (leave text alone)
71 #
71 #
72 # == Links
72 # == Links
73 #
73 #
74 # To make a hypertext link, put the link text in "quotation
74 # To make a hypertext link, put the link text in "quotation
75 # marks" followed immediately by a colon and the URL of the link.
75 # marks" followed immediately by a colon and the URL of the link.
76 #
76 #
77 # Optional: text in (parentheses) following the link text,
77 # Optional: text in (parentheses) following the link text,
78 # but before the closing quotation mark, will become a Title
78 # but before the closing quotation mark, will become a Title
79 # attribute for the link, visible as a tool tip when a cursor is above it.
79 # attribute for the link, visible as a tool tip when a cursor is above it.
80 #
80 #
81 # Example:
81 # Example:
82 #
82 #
83 # "This is a link (This is a title) ":http://www.textism.com
83 # "This is a link (This is a title) ":http://www.textism.com
84 #
84 #
85 # Will become:
85 # Will become:
86 #
86 #
87 # <a href="http://www.textism.com" title="This is a title">This is a link</a>
87 # <a href="http://www.textism.com" title="This is a title">This is a link</a>
88 #
88 #
89 # == Images
89 # == Images
90 #
90 #
91 # To insert an image, put the URL for the image inside exclamation marks.
91 # To insert an image, put the URL for the image inside exclamation marks.
92 #
92 #
93 # Optional: text that immediately follows the URL in (parentheses) will
93 # Optional: text that immediately follows the URL in (parentheses) will
94 # be used as the Alt text for the image. Images on the web should always
94 # be used as the Alt text for the image. Images on the web should always
95 # have descriptive Alt text for the benefit of readers using non-graphical
95 # have descriptive Alt text for the benefit of readers using non-graphical
96 # browsers.
96 # browsers.
97 #
97 #
98 # Optional: place a colon followed by a URL immediately after the
98 # Optional: place a colon followed by a URL immediately after the
99 # closing ! to make the image into a link.
99 # closing ! to make the image into a link.
100 #
100 #
101 # Example:
101 # Example:
102 #
102 #
103 # !http://www.textism.com/common/textist.gif(Textist)!
103 # !http://www.textism.com/common/textist.gif(Textist)!
104 #
104 #
105 # Will become:
105 # Will become:
106 #
106 #
107 # <img src="http://www.textism.com/common/textist.gif" alt="Textist" />
107 # <img src="http://www.textism.com/common/textist.gif" alt="Textist" />
108 #
108 #
109 # With a link:
109 # With a link:
110 #
110 #
111 # !/common/textist.gif(Textist)!:http://textism.com
111 # !/common/textist.gif(Textist)!:http://textism.com
112 #
112 #
113 # Will become:
113 # Will become:
114 #
114 #
115 # <a href="http://textism.com"><img src="/common/textist.gif" alt="Textist" /></a>
115 # <a href="http://textism.com"><img src="/common/textist.gif" alt="Textist" /></a>
116 #
116 #
117 # == Defining Acronyms
117 # == Defining Acronyms
118 #
118 #
119 # HTML allows authors to define acronyms via the tag. The definition appears as a
119 # HTML allows authors to define acronyms via the tag. The definition appears as a
120 # tool tip when a cursor hovers over the acronym. A crucial aid to clear writing,
120 # tool tip when a cursor hovers over the acronym. A crucial aid to clear writing,
121 # this should be used at least once for each acronym in documents where they appear.
121 # this should be used at least once for each acronym in documents where they appear.
122 #
122 #
123 # To quickly define an acronym in Textile, place the full text in (parentheses)
123 # To quickly define an acronym in Textile, place the full text in (parentheses)
124 # immediately following the acronym.
124 # immediately following the acronym.
125 #
125 #
126 # Example:
126 # Example:
127 #
127 #
128 # ACLU(American Civil Liberties Union)
128 # ACLU(American Civil Liberties Union)
129 #
129 #
130 # Will become:
130 # Will become:
131 #
131 #
132 # <acronym title="American Civil Liberties Union">ACLU</acronym>
132 # <acronym title="American Civil Liberties Union">ACLU</acronym>
133 #
133 #
134 # == Adding Tables
134 # == Adding Tables
135 #
135 #
136 # In Textile, simple tables can be added by seperating each column by
136 # In Textile, simple tables can be added by seperating each column by
137 # a pipe.
137 # a pipe.
138 #
138 #
139 # |a|simple|table|row|
139 # |a|simple|table|row|
140 # |And|Another|table|row|
140 # |And|Another|table|row|
141 #
141 #
142 # Attributes are defined by style definitions in parentheses.
142 # Attributes are defined by style definitions in parentheses.
143 #
143 #
144 # table(border:1px solid black).
144 # table(border:1px solid black).
145 # (background:#ddd;color:red). |{}| | | |
145 # (background:#ddd;color:red). |{}| | | |
146 #
146 #
147 # == Using RedCloth
147 # == Using RedCloth
148 #
148 #
149 # RedCloth is simply an extension of the String class, which can handle
149 # RedCloth is simply an extension of the String class, which can handle
150 # Textile formatting. Use it like a String and output HTML with its
150 # Textile formatting. Use it like a String and output HTML with its
151 # RedCloth#to_html method.
151 # RedCloth#to_html method.
152 #
152 #
153 # doc = RedCloth.new "
153 # doc = RedCloth.new "
154 #
154 #
155 # h2. Test document
155 # h2. Test document
156 #
156 #
157 # Just a simple test."
157 # Just a simple test."
158 #
158 #
159 # puts doc.to_html
159 # puts doc.to_html
160 #
160 #
161 # By default, RedCloth uses both Textile and Markdown formatting, with
161 # By default, RedCloth uses both Textile and Markdown formatting, with
162 # Textile formatting taking precedence. If you want to turn off Markdown
162 # Textile formatting taking precedence. If you want to turn off Markdown
163 # formatting, to boost speed and limit the processor:
163 # formatting, to boost speed and limit the processor:
164 #
164 #
165 # class RedCloth::Textile.new( str )
165 # class RedCloth::Textile.new( str )
166
166
167 class RedCloth3 < String
167 class RedCloth3 < String
168
168
169 VERSION = '3.0.4'
169 VERSION = '3.0.4'
170 DEFAULT_RULES = [:textile, :markdown]
170 DEFAULT_RULES = [:textile, :markdown]
171
171
172 #
172 #
173 # Two accessor for setting security restrictions.
173 # Two accessor for setting security restrictions.
174 #
174 #
175 # This is a nice thing if you're using RedCloth for
175 # This is a nice thing if you're using RedCloth for
176 # formatting in public places (e.g. Wikis) where you
176 # formatting in public places (e.g. Wikis) where you
177 # don't want users to abuse HTML for bad things.
177 # don't want users to abuse HTML for bad things.
178 #
178 #
179 # If +:filter_html+ is set, HTML which wasn't
179 # If +:filter_html+ is set, HTML which wasn't
180 # created by the Textile processor will be escaped.
180 # created by the Textile processor will be escaped.
181 #
181 #
182 # If +:filter_styles+ is set, it will also disable
182 # If +:filter_styles+ is set, it will also disable
183 # the style markup specifier. ('{color: red}')
183 # the style markup specifier. ('{color: red}')
184 #
184 #
185 attr_accessor :filter_html, :filter_styles
185 attr_accessor :filter_html, :filter_styles
186
186
187 #
187 #
188 # Accessor for toggling hard breaks.
188 # Accessor for toggling hard breaks.
189 #
189 #
190 # If +:hard_breaks+ is set, single newlines will
190 # If +:hard_breaks+ is set, single newlines will
191 # be converted to HTML break tags. This is the
191 # be converted to HTML break tags. This is the
192 # default behavior for traditional RedCloth.
192 # default behavior for traditional RedCloth.
193 #
193 #
194 attr_accessor :hard_breaks
194 attr_accessor :hard_breaks
195
195
196 # Accessor for toggling lite mode.
196 # Accessor for toggling lite mode.
197 #
197 #
198 # In lite mode, block-level rules are ignored. This means
198 # In lite mode, block-level rules are ignored. This means
199 # that tables, paragraphs, lists, and such aren't available.
199 # that tables, paragraphs, lists, and such aren't available.
200 # Only the inline markup for bold, italics, entities and so on.
200 # Only the inline markup for bold, italics, entities and so on.
201 #
201 #
202 # r = RedCloth.new( "And then? She *fell*!", [:lite_mode] )
202 # r = RedCloth.new( "And then? She *fell*!", [:lite_mode] )
203 # r.to_html
203 # r.to_html
204 # #=> "And then? She <strong>fell</strong>!"
204 # #=> "And then? She <strong>fell</strong>!"
205 #
205 #
206 attr_accessor :lite_mode
206 attr_accessor :lite_mode
207
207
208 #
208 #
209 # Accessor for toggling span caps.
209 # Accessor for toggling span caps.
210 #
210 #
211 # Textile places `span' tags around capitalized
211 # Textile places `span' tags around capitalized
212 # words by default, but this wreaks havoc on Wikis.
212 # words by default, but this wreaks havoc on Wikis.
213 # If +:no_span_caps+ is set, this will be
213 # If +:no_span_caps+ is set, this will be
214 # suppressed.
214 # suppressed.
215 #
215 #
216 attr_accessor :no_span_caps
216 attr_accessor :no_span_caps
217
217
218 #
218 #
219 # Establishes the markup predence. Available rules include:
219 # Establishes the markup predence. Available rules include:
220 #
220 #
221 # == Textile Rules
221 # == Textile Rules
222 #
222 #
223 # The following textile rules can be set individually. Or add the complete
223 # The following textile rules can be set individually. Or add the complete
224 # set of rules with the single :textile rule, which supplies the rule set in
224 # set of rules with the single :textile rule, which supplies the rule set in
225 # the following precedence:
225 # the following precedence:
226 #
226 #
227 # refs_textile:: Textile references (i.e. [hobix]http://hobix.com/)
227 # refs_textile:: Textile references (i.e. [hobix]http://hobix.com/)
228 # block_textile_table:: Textile table block structures
228 # block_textile_table:: Textile table block structures
229 # block_textile_lists:: Textile list structures
229 # block_textile_lists:: Textile list structures
230 # block_textile_prefix:: Textile blocks with prefixes (i.e. bq., h2., etc.)
230 # block_textile_prefix:: Textile blocks with prefixes (i.e. bq., h2., etc.)
231 # inline_textile_image:: Textile inline images
231 # inline_textile_image:: Textile inline images
232 # inline_textile_link:: Textile inline links
232 # inline_textile_link:: Textile inline links
233 # inline_textile_span:: Textile inline spans
233 # inline_textile_span:: Textile inline spans
234 # glyphs_textile:: Textile entities (such as em-dashes and smart quotes)
234 # glyphs_textile:: Textile entities (such as em-dashes and smart quotes)
235 #
235 #
236 # == Markdown
236 # == Markdown
237 #
237 #
238 # refs_markdown:: Markdown references (for example: [hobix]: http://hobix.com/)
238 # refs_markdown:: Markdown references (for example: [hobix]: http://hobix.com/)
239 # block_markdown_setext:: Markdown setext headers
239 # block_markdown_setext:: Markdown setext headers
240 # block_markdown_atx:: Markdown atx headers
240 # block_markdown_atx:: Markdown atx headers
241 # block_markdown_rule:: Markdown horizontal rules
241 # block_markdown_rule:: Markdown horizontal rules
242 # block_markdown_bq:: Markdown blockquotes
242 # block_markdown_bq:: Markdown blockquotes
243 # block_markdown_lists:: Markdown lists
243 # block_markdown_lists:: Markdown lists
244 # inline_markdown_link:: Markdown links
244 # inline_markdown_link:: Markdown links
245 attr_accessor :rules
245 attr_accessor :rules
246
246
247 # Returns a new RedCloth object, based on _string_ and
247 # Returns a new RedCloth object, based on _string_ and
248 # enforcing all the included _restrictions_.
248 # enforcing all the included _restrictions_.
249 #
249 #
250 # r = RedCloth.new( "h1. A <b>bold</b> man", [:filter_html] )
250 # r = RedCloth.new( "h1. A <b>bold</b> man", [:filter_html] )
251 # r.to_html
251 # r.to_html
252 # #=>"<h1>A &lt;b&gt;bold&lt;/b&gt; man</h1>"
252 # #=>"<h1>A &lt;b&gt;bold&lt;/b&gt; man</h1>"
253 #
253 #
254 def initialize( string, restrictions = [] )
254 def initialize( string, restrictions = [] )
255 restrictions.each { |r| method( "#{ r }=" ).call( true ) }
255 restrictions.each { |r| method( "#{ r }=" ).call( true ) }
256 super( string )
256 super( string )
257 end
257 end
258
258
259 #
259 #
260 # Generates HTML from the Textile contents.
260 # Generates HTML from the Textile contents.
261 #
261 #
262 # r = RedCloth.new( "And then? She *fell*!" )
262 # r = RedCloth.new( "And then? She *fell*!" )
263 # r.to_html( true )
263 # r.to_html( true )
264 # #=>"And then? She <strong>fell</strong>!"
264 # #=>"And then? She <strong>fell</strong>!"
265 #
265 #
266 def to_html( *rules )
266 def to_html( *rules )
267 rules = DEFAULT_RULES if rules.empty?
267 rules = DEFAULT_RULES if rules.empty?
268 # make our working copy
268 # make our working copy
269 text = self.dup
269 text = self.dup
270
270
271 @urlrefs = {}
271 @urlrefs = {}
272 @shelf = []
272 @shelf = []
273 textile_rules = [:block_textile_table, :block_textile_lists,
273 textile_rules = [:block_textile_table, :block_textile_lists,
274 :block_textile_prefix, :inline_textile_image, :inline_textile_link,
274 :block_textile_prefix, :inline_textile_image, :inline_textile_link,
275 :inline_textile_code, :inline_textile_span, :glyphs_textile]
275 :inline_textile_code, :inline_textile_span, :glyphs_textile]
276 markdown_rules = [:refs_markdown, :block_markdown_setext, :block_markdown_atx, :block_markdown_rule,
276 markdown_rules = [:refs_markdown, :block_markdown_setext, :block_markdown_atx, :block_markdown_rule,
277 :block_markdown_bq, :block_markdown_lists,
277 :block_markdown_bq, :block_markdown_lists,
278 :inline_markdown_reflink, :inline_markdown_link]
278 :inline_markdown_reflink, :inline_markdown_link]
279 @rules = rules.collect do |rule|
279 @rules = rules.collect do |rule|
280 case rule
280 case rule
281 when :markdown
281 when :markdown
282 markdown_rules
282 markdown_rules
283 when :textile
283 when :textile
284 textile_rules
284 textile_rules
285 else
285 else
286 rule
286 rule
287 end
287 end
288 end.flatten
288 end.flatten
289
289
290 # standard clean up
290 # standard clean up
291 incoming_entities text
291 incoming_entities text
292 clean_white_space text
292 clean_white_space text
293
293
294 # start processor
294 # start processor
295 @pre_list = []
295 @pre_list = []
296 rip_offtags text
296 rip_offtags text
297 no_textile text
297 no_textile text
298 escape_html_tags text
298 escape_html_tags text
299 hard_break text
299 hard_break text
300 unless @lite_mode
300 unless @lite_mode
301 refs text
301 refs text
302 # need to do this before text is split by #blocks
302 # need to do this before text is split by #blocks
303 block_textile_quotes text
303 block_textile_quotes text
304 blocks text
304 blocks text
305 end
305 end
306 inline text
306 inline text
307 smooth_offtags text
307 smooth_offtags text
308
308
309 retrieve text
309 retrieve text
310
310
311 text.gsub!( /<\/?notextile>/, '' )
311 text.gsub!( /<\/?notextile>/, '' )
312 text.gsub!( /x%x%/, '&#38;' )
312 text.gsub!( /x%x%/, '&#38;' )
313 clean_html text if filter_html
313 clean_html text if filter_html
314 text.strip!
314 text.strip!
315 text
315 text
316
316
317 end
317 end
318
318
319 #######
319 #######
320 private
320 private
321 #######
321 #######
322 #
322 #
323 # Mapping of 8-bit ASCII codes to HTML numerical entity equivalents.
323 # Mapping of 8-bit ASCII codes to HTML numerical entity equivalents.
324 # (from PyTextile)
324 # (from PyTextile)
325 #
325 #
326 TEXTILE_TAGS =
326 TEXTILE_TAGS =
327
327
328 [[128, 8364], [129, 0], [130, 8218], [131, 402], [132, 8222], [133, 8230],
328 [[128, 8364], [129, 0], [130, 8218], [131, 402], [132, 8222], [133, 8230],
329 [134, 8224], [135, 8225], [136, 710], [137, 8240], [138, 352], [139, 8249],
329 [134, 8224], [135, 8225], [136, 710], [137, 8240], [138, 352], [139, 8249],
330 [140, 338], [141, 0], [142, 0], [143, 0], [144, 0], [145, 8216], [146, 8217],
330 [140, 338], [141, 0], [142, 0], [143, 0], [144, 0], [145, 8216], [146, 8217],
331 [147, 8220], [148, 8221], [149, 8226], [150, 8211], [151, 8212], [152, 732],
331 [147, 8220], [148, 8221], [149, 8226], [150, 8211], [151, 8212], [152, 732],
332 [153, 8482], [154, 353], [155, 8250], [156, 339], [157, 0], [158, 0], [159, 376]].
332 [153, 8482], [154, 353], [155, 8250], [156, 339], [157, 0], [158, 0], [159, 376]].
333
333
334 collect! do |a, b|
334 collect! do |a, b|
335 [a.chr, ( b.zero? and "" or "&#{ b };" )]
335 [a.chr, ( b.zero? and "" or "&#{ b };" )]
336 end
336 end
337
337
338 #
338 #
339 # Regular expressions to convert to HTML.
339 # Regular expressions to convert to HTML.
340 #
340 #
341 A_HLGN = /(?:(?:<>|<|>|\=|[()]+)+)/
341 A_HLGN = /(?:(?:<>|<|>|\=|[()]+)+)/
342 A_VLGN = /[\-^~]/
342 A_VLGN = /[\-^~]/
343 C_CLAS = '(?:\([^)]+\))'
343 C_CLAS = '(?:\([^)]+\))'
344 C_LNGE = '(?:\[[^\[\]]+\])'
344 C_LNGE = '(?:\[[^\[\]]+\])'
345 C_STYL = '(?:\{[^}]+\})'
345 C_STYL = '(?:\{[^}]+\})'
346 S_CSPN = '(?:\\\\\d+)'
346 S_CSPN = '(?:\\\\\d+)'
347 S_RSPN = '(?:/\d+)'
347 S_RSPN = '(?:/\d+)'
348 A = "(?:#{A_HLGN}?#{A_VLGN}?|#{A_VLGN}?#{A_HLGN}?)"
348 A = "(?:#{A_HLGN}?#{A_VLGN}?|#{A_VLGN}?#{A_HLGN}?)"
349 S = "(?:#{S_CSPN}?#{S_RSPN}|#{S_RSPN}?#{S_CSPN}?)"
349 S = "(?:#{S_CSPN}?#{S_RSPN}|#{S_RSPN}?#{S_CSPN}?)"
350 C = "(?:#{C_CLAS}?#{C_STYL}?#{C_LNGE}?|#{C_STYL}?#{C_LNGE}?#{C_CLAS}?|#{C_LNGE}?#{C_STYL}?#{C_CLAS}?)"
350 C = "(?:#{C_CLAS}?#{C_STYL}?#{C_LNGE}?|#{C_STYL}?#{C_LNGE}?#{C_CLAS}?|#{C_LNGE}?#{C_STYL}?#{C_CLAS}?)"
351 # PUNCT = Regexp::quote( '!"#$%&\'()*+,-./:;<=>?@[\\]^_`{|}~' )
351 # PUNCT = Regexp::quote( '!"#$%&\'()*+,-./:;<=>?@[\\]^_`{|}~' )
352 PUNCT = Regexp::quote( '!"#$%&\'*+,-./:;=?@\\^_`|~' )
352 PUNCT = Regexp::quote( '!"#$%&\'*+,-./:;=?@\\^_`|~' )
353 PUNCT_NOQ = Regexp::quote( '!"#$&\',./:;=?@\\`|' )
353 PUNCT_NOQ = Regexp::quote( '!"#$&\',./:;=?@\\`|' )
354 PUNCT_Q = Regexp::quote( '*-_+^~%' )
354 PUNCT_Q = Regexp::quote( '*-_+^~%' )
355 HYPERLINK = '(\S+?)([^\w\s/;=\?]*?)(?=\s|<|$)'
355 HYPERLINK = '(\S+?)([^\w\s/;=\?]*?)(?=\s|<|$)'
356
356
357 # Text markup tags, don't conflict with block tags
357 # Text markup tags, don't conflict with block tags
358 SIMPLE_HTML_TAGS = [
358 SIMPLE_HTML_TAGS = [
359 'tt', 'b', 'i', 'big', 'small', 'em', 'strong', 'dfn', 'code',
359 'tt', 'b', 'i', 'big', 'small', 'em', 'strong', 'dfn', 'code',
360 'samp', 'kbd', 'var', 'cite', 'abbr', 'acronym', 'a', 'img', 'br',
360 'samp', 'kbd', 'var', 'cite', 'abbr', 'acronym', 'a', 'img', 'br',
361 'br', 'map', 'q', 'sub', 'sup', 'span', 'bdo'
361 'br', 'map', 'q', 'sub', 'sup', 'span', 'bdo'
362 ]
362 ]
363
363
364 QTAGS = [
364 QTAGS = [
365 ['**', 'b', :limit],
365 ['**', 'b', :limit],
366 ['*', 'strong', :limit],
366 ['*', 'strong', :limit],
367 ['??', 'cite', :limit],
367 ['??', 'cite', :limit],
368 ['-', 'del', :limit],
368 ['-', 'del', :limit],
369 ['__', 'i', :limit],
369 ['__', 'i', :limit],
370 ['_', 'em', :limit],
370 ['_', 'em', :limit],
371 ['%', 'span', :limit],
371 ['%', 'span', :limit],
372 ['+', 'ins', :limit],
372 ['+', 'ins', :limit],
373 ['^', 'sup', :limit],
373 ['^', 'sup', :limit],
374 ['~', 'sub', :limit]
374 ['~', 'sub', :limit]
375 ]
375 ]
376 QTAGS_JOIN = QTAGS.map {|rc, ht, rtype| Regexp::quote rc}.join('|')
376 QTAGS_JOIN = QTAGS.map {|rc, ht, rtype| Regexp::quote rc}.join('|')
377
377
378 QTAGS.collect! do |rc, ht, rtype|
378 QTAGS.collect! do |rc, ht, rtype|
379 rcq = Regexp::quote rc
379 rcq = Regexp::quote rc
380 re =
380 re =
381 case rtype
381 case rtype
382 when :limit
382 when :limit
383 /(^|[>\s\(]) # sta
383 /(^|[>\s\(]) # sta
384 (#{QTAGS_JOIN}|) # oqs
384 (#{QTAGS_JOIN}|) # oqs
385 (#{rcq}) # qtag
385 (#{rcq}) # qtag
386 (\w|[^\s].*?[^\s]) # content
386 (\w|[^\s].*?[^\s]) # content
387 #{rcq}
387 #{rcq}
388 (#{QTAGS_JOIN}|) # oqa
388 (#{QTAGS_JOIN}|) # oqa
389 (?=[[:punct:]]|\s|\)|$)/x
389 (?=[[:punct:]]|\s|\)|$)/x
390 else
390 else
391 /(#{rcq})
391 /(#{rcq})
392 (#{C})
392 (#{C})
393 (?::(\S+))?
393 (?::(\S+))?
394 (\w|[^\s\-].*?[^\s\-])
394 (\w|[^\s\-].*?[^\s\-])
395 #{rcq}/xm
395 #{rcq}/xm
396 end
396 end
397 [rc, ht, re, rtype]
397 [rc, ht, re, rtype]
398 end
398 end
399
399
400 # Elements to handle
400 # Elements to handle
401 GLYPHS = [
401 GLYPHS = [
402 # [ /([^\s\[{(>])?\'([dmst]\b|ll\b|ve\b|\s|:|$)/, '\1&#8217;\2' ], # single closing
402 # [ /([^\s\[{(>])?\'([dmst]\b|ll\b|ve\b|\s|:|$)/, '\1&#8217;\2' ], # single closing
403 # [ /([^\s\[{(>#{PUNCT_Q}][#{PUNCT_Q}]*)\'/, '\1&#8217;' ], # single closing
403 # [ /([^\s\[{(>#{PUNCT_Q}][#{PUNCT_Q}]*)\'/, '\1&#8217;' ], # single closing
404 # [ /\'(?=[#{PUNCT_Q}]*(s\b|[\s#{PUNCT_NOQ}]))/, '&#8217;' ], # single closing
404 # [ /\'(?=[#{PUNCT_Q}]*(s\b|[\s#{PUNCT_NOQ}]))/, '&#8217;' ], # single closing
405 # [ /\'/, '&#8216;' ], # single opening
405 # [ /\'/, '&#8216;' ], # single opening
406 # [ /</, '&lt;' ], # less-than
406 # [ /</, '&lt;' ], # less-than
407 # [ />/, '&gt;' ], # greater-than
407 # [ />/, '&gt;' ], # greater-than
408 # [ /([^\s\[{(])?"(\s|:|$)/, '\1&#8221;\2' ], # double closing
408 # [ /([^\s\[{(])?"(\s|:|$)/, '\1&#8221;\2' ], # double closing
409 # [ /([^\s\[{(>#{PUNCT_Q}][#{PUNCT_Q}]*)"/, '\1&#8221;' ], # double closing
409 # [ /([^\s\[{(>#{PUNCT_Q}][#{PUNCT_Q}]*)"/, '\1&#8221;' ], # double closing
410 # [ /"(?=[#{PUNCT_Q}]*[\s#{PUNCT_NOQ}])/, '&#8221;' ], # double closing
410 # [ /"(?=[#{PUNCT_Q}]*[\s#{PUNCT_NOQ}])/, '&#8221;' ], # double closing
411 # [ /"/, '&#8220;' ], # double opening
411 # [ /"/, '&#8220;' ], # double opening
412 # [ /\b( )?\.{3}/, '\1&#8230;' ], # ellipsis
412 # [ /\b( )?\.{3}/, '\1&#8230;' ], # ellipsis
413 # [ /\b([A-Z][A-Z0-9]{2,})\b(?:[(]([^)]*)[)])/, '<acronym title="\2">\1</acronym>' ], # 3+ uppercase acronym
413 # [ /\b([A-Z][A-Z0-9]{2,})\b(?:[(]([^)]*)[)])/, '<acronym title="\2">\1</acronym>' ], # 3+ uppercase acronym
414 # [ /(^|[^"][>\s])([A-Z][A-Z0-9 ]+[A-Z0-9])([^<A-Za-z0-9]|$)/, '\1<span class="caps">\2</span>\3', :no_span_caps ], # 3+ uppercase caps
414 # [ /(^|[^"][>\s])([A-Z][A-Z0-9 ]+[A-Z0-9])([^<A-Za-z0-9]|$)/, '\1<span class="caps">\2</span>\3', :no_span_caps ], # 3+ uppercase caps
415 # [ /(\.\s)?\s?--\s?/, '\1&#8212;' ], # em dash
415 # [ /(\.\s)?\s?--\s?/, '\1&#8212;' ], # em dash
416 # [ /\s->\s/, ' &rarr; ' ], # right arrow
416 # [ /\s->\s/, ' &rarr; ' ], # right arrow
417 # [ /\s-\s/, ' &#8211; ' ], # en dash
417 # [ /\s-\s/, ' &#8211; ' ], # en dash
418 # [ /(\d+) ?x ?(\d+)/, '\1&#215;\2' ], # dimension sign
418 # [ /(\d+) ?x ?(\d+)/, '\1&#215;\2' ], # dimension sign
419 # [ /\b ?[(\[]TM[\])]/i, '&#8482;' ], # trademark
419 # [ /\b ?[(\[]TM[\])]/i, '&#8482;' ], # trademark
420 # [ /\b ?[(\[]R[\])]/i, '&#174;' ], # registered
420 # [ /\b ?[(\[]R[\])]/i, '&#174;' ], # registered
421 # [ /\b ?[(\[]C[\])]/i, '&#169;' ] # copyright
421 # [ /\b ?[(\[]C[\])]/i, '&#169;' ] # copyright
422 ]
422 ]
423
423
424 H_ALGN_VALS = {
424 H_ALGN_VALS = {
425 '<' => 'left',
425 '<' => 'left',
426 '=' => 'center',
426 '=' => 'center',
427 '>' => 'right',
427 '>' => 'right',
428 '<>' => 'justify'
428 '<>' => 'justify'
429 }
429 }
430
430
431 V_ALGN_VALS = {
431 V_ALGN_VALS = {
432 '^' => 'top',
432 '^' => 'top',
433 '-' => 'middle',
433 '-' => 'middle',
434 '~' => 'bottom'
434 '~' => 'bottom'
435 }
435 }
436
436
437 #
437 #
438 # Flexible HTML escaping
438 # Flexible HTML escaping
439 #
439 #
440 def htmlesc( str, mode=:Quotes )
440 def htmlesc( str, mode=:Quotes )
441 if str
441 if str
442 str.gsub!( '&', '&amp;' )
442 str.gsub!( '&', '&amp;' )
443 str.gsub!( '"', '&quot;' ) if mode != :NoQuotes
443 str.gsub!( '"', '&quot;' ) if mode != :NoQuotes
444 str.gsub!( "'", '&#039;' ) if mode == :Quotes
444 str.gsub!( "'", '&#039;' ) if mode == :Quotes
445 str.gsub!( '<', '&lt;')
445 str.gsub!( '<', '&lt;')
446 str.gsub!( '>', '&gt;')
446 str.gsub!( '>', '&gt;')
447 end
447 end
448 str
448 str
449 end
449 end
450
450
451 # Search and replace for Textile glyphs (quotes, dashes, other symbols)
451 # Search and replace for Textile glyphs (quotes, dashes, other symbols)
452 def pgl( text )
452 def pgl( text )
453 #GLYPHS.each do |re, resub, tog|
453 #GLYPHS.each do |re, resub, tog|
454 # next if tog and method( tog ).call
454 # next if tog and method( tog ).call
455 # text.gsub! re, resub
455 # text.gsub! re, resub
456 #end
456 #end
457 text.gsub!(/\b([A-Z][A-Z0-9]{2,})\b(?:[(]([^)]*)[)])/) do |m|
457 text.gsub!(/\b([A-Z][A-Z0-9]{2,})\b(?:[(]([^)]*)[)])/) do |m|
458 "<acronym title=\"#{htmlesc $2}\">#{$1}</acronym>"
458 "<acronym title=\"#{htmlesc $2}\">#{$1}</acronym>"
459 end
459 end
460 end
460 end
461
461
462 # Parses Textile attribute lists and builds an HTML attribute string
462 # Parses Textile attribute lists and builds an HTML attribute string
463 def pba( text_in, element = "" )
463 def pba( text_in, element = "" )
464
464
465 return '' unless text_in
465 return '' unless text_in
466
466
467 style = []
467 style = []
468 text = text_in.dup
468 text = text_in.dup
469 if element == 'td'
469 if element == 'td'
470 colspan = $1 if text =~ /\\(\d+)/
470 colspan = $1 if text =~ /\\(\d+)/
471 rowspan = $1 if text =~ /\/(\d+)/
471 rowspan = $1 if text =~ /\/(\d+)/
472 style << "vertical-align:#{ v_align( $& ) };" if text =~ A_VLGN
472 style << "vertical-align:#{ v_align( $& ) };" if text =~ A_VLGN
473 end
473 end
474
474
475 style << "#{ htmlesc $1 };" if text.sub!( /\{([^}]*)\}/, '' ) && !filter_styles
475 style << "#{ htmlesc $1 };" if text.sub!( /\{([^}]*)\}/, '' ) && !filter_styles
476
476
477 lang = $1 if
477 lang = $1 if
478 text.sub!( /\[([^)]+?)\]/, '' )
478 text.sub!( /\[([^)]+?)\]/, '' )
479
479
480 cls = $1 if
480 cls = $1 if
481 text.sub!( /\(([^()]+?)\)/, '' )
481 text.sub!( /\(([^()]+?)\)/, '' )
482
482
483 style << "padding-left:#{ $1.length }em;" if
483 style << "padding-left:#{ $1.length }em;" if
484 text.sub!( /([(]+)/, '' )
484 text.sub!( /([(]+)/, '' )
485
485
486 style << "padding-right:#{ $1.length }em;" if text.sub!( /([)]+)/, '' )
486 style << "padding-right:#{ $1.length }em;" if text.sub!( /([)]+)/, '' )
487
487
488 style << "text-align:#{ h_align( $& ) };" if text =~ A_HLGN
488 style << "text-align:#{ h_align( $& ) };" if text =~ A_HLGN
489
489
490 cls, id = $1, $2 if cls =~ /^(.*?)#(.*)$/
490 cls, id = $1, $2 if cls =~ /^(.*?)#(.*)$/
491
491
492 atts = ''
492 atts = ''
493 atts << " style=\"#{ style.join }\"" unless style.empty?
493 atts << " style=\"#{ style.join }\"" unless style.empty?
494 atts << " class=\"#{ cls }\"" unless cls.to_s.empty?
494 atts << " class=\"#{ cls }\"" unless cls.to_s.empty?
495 atts << " lang=\"#{ lang }\"" if lang
495 atts << " lang=\"#{ lang }\"" if lang
496 atts << " id=\"#{ id }\"" if id
496 atts << " id=\"#{ id }\"" if id
497 atts << " colspan=\"#{ colspan }\"" if colspan
497 atts << " colspan=\"#{ colspan }\"" if colspan
498 atts << " rowspan=\"#{ rowspan }\"" if rowspan
498 atts << " rowspan=\"#{ rowspan }\"" if rowspan
499
499
500 atts
500 atts
501 end
501 end
502
502
503 TABLE_RE = /^(?:table(_?#{S}#{A}#{C})\. ?\n)?^(#{A}#{C}\.? ?\|.*?\|)(\n\n|\Z)/m
503 TABLE_RE = /^(?:table(_?#{S}#{A}#{C})\. ?\n)?^(#{A}#{C}\.? ?\|.*?\|)(\n\n|\Z)/m
504
504
505 # Parses a Textile table block, building HTML from the result.
505 # Parses a Textile table block, building HTML from the result.
506 def block_textile_table( text )
506 def block_textile_table( text )
507 text.gsub!( TABLE_RE ) do |matches|
507 text.gsub!( TABLE_RE ) do |matches|
508
508
509 tatts, fullrow = $~[1..2]
509 tatts, fullrow = $~[1..2]
510 tatts = pba( tatts, 'table' )
510 tatts = pba( tatts, 'table' )
511 tatts = shelve( tatts ) if tatts
511 tatts = shelve( tatts ) if tatts
512 rows = []
512 rows = []
513
513
514 fullrow.each_line do |row|
514 fullrow.each_line do |row|
515 ratts, row = pba( $1, 'tr' ), $2 if row =~ /^(#{A}#{C}\. )(.*)/m
515 ratts, row = pba( $1, 'tr' ), $2 if row =~ /^(#{A}#{C}\. )(.*)/m
516 cells = []
516 cells = []
517 row.split( /(\|)(?![^\[\|]*\]\])/ )[1..-2].each do |cell|
517 row.split( /(\|)(?![^\[\|]*\]\])/ )[1..-2].each do |cell|
518 next if cell == '|'
518 next if cell == '|'
519 ctyp = 'd'
519 ctyp = 'd'
520 ctyp = 'h' if cell =~ /^_/
520 ctyp = 'h' if cell =~ /^_/
521
521
522 catts = ''
522 catts = ''
523 catts, cell = pba( $1, 'td' ), $2 if cell =~ /^(_?#{S}#{A}#{C}\. ?)(.*)/
523 catts, cell = pba( $1, 'td' ), $2 if cell =~ /^(_?#{S}#{A}#{C}\. ?)(.*)/
524
524
525 catts = shelve( catts ) if catts
525 catts = shelve( catts ) if catts
526 cells << "\t\t\t<t#{ ctyp }#{ catts }>#{ cell }</t#{ ctyp }>"
526 cells << "\t\t\t<t#{ ctyp }#{ catts }>#{ cell }</t#{ ctyp }>"
527 end
527 end
528 ratts = shelve( ratts ) if ratts
528 ratts = shelve( ratts ) if ratts
529 rows << "\t\t<tr#{ ratts }>\n#{ cells.join( "\n" ) }\n\t\t</tr>"
529 rows << "\t\t<tr#{ ratts }>\n#{ cells.join( "\n" ) }\n\t\t</tr>"
530 end
530 end
531 "\t<table#{ tatts }>\n#{ rows.join( "\n" ) }\n\t</table>\n\n"
531 "\t<table#{ tatts }>\n#{ rows.join( "\n" ) }\n\t</table>\n\n"
532 end
532 end
533 end
533 end
534
534
535 LISTS_RE = /^([#*]+?#{C} .*?)$(?![^#*])/m
535 LISTS_RE = /^([#*]+?#{C} .*?)$(?![^#*])/m
536 LISTS_CONTENT_RE = /^([#*]+)(#{A}#{C}) (.*)$/m
536 LISTS_CONTENT_RE = /^([#*]+)(#{A}#{C}) (.*)$/m
537
537
538 # Parses Textile lists and generates HTML
538 # Parses Textile lists and generates HTML
539 def block_textile_lists( text )
539 def block_textile_lists( text )
540 text.gsub!( LISTS_RE ) do |match|
540 text.gsub!( LISTS_RE ) do |match|
541 lines = match.split( /\n/ )
541 lines = match.split( /\n/ )
542 last_line = -1
542 last_line = -1
543 depth = []
543 depth = []
544 lines.each_with_index do |line, line_id|
544 lines.each_with_index do |line, line_id|
545 if line =~ LISTS_CONTENT_RE
545 if line =~ LISTS_CONTENT_RE
546 tl,atts,content = $~[1..3]
546 tl,atts,content = $~[1..3]
547 if depth.last
547 if depth.last
548 if depth.last.length > tl.length
548 if depth.last.length > tl.length
549 (depth.length - 1).downto(0) do |i|
549 (depth.length - 1).downto(0) do |i|
550 break if depth[i].length == tl.length
550 break if depth[i].length == tl.length
551 lines[line_id - 1] << "</li>\n\t</#{ lT( depth[i] ) }l>\n\t"
551 lines[line_id - 1] << "</li>\n\t</#{ lT( depth[i] ) }l>\n\t"
552 depth.pop
552 depth.pop
553 end
553 end
554 end
554 end
555 if depth.last and depth.last.length == tl.length
555 if depth.last and depth.last.length == tl.length
556 lines[line_id - 1] << '</li>'
556 lines[line_id - 1] << '</li>'
557 end
557 end
558 end
558 end
559 unless depth.last == tl
559 unless depth.last == tl
560 depth << tl
560 depth << tl
561 atts = pba( atts )
561 atts = pba( atts )
562 atts = shelve( atts ) if atts
562 atts = shelve( atts ) if atts
563 lines[line_id] = "\t<#{ lT(tl) }l#{ atts }>\n\t<li>#{ content }"
563 lines[line_id] = "\t<#{ lT(tl) }l#{ atts }>\n\t<li>#{ content }"
564 else
564 else
565 lines[line_id] = "\t\t<li>#{ content }"
565 lines[line_id] = "\t\t<li>#{ content }"
566 end
566 end
567 last_line = line_id
567 last_line = line_id
568
568
569 else
569 else
570 last_line = line_id
570 last_line = line_id
571 end
571 end
572 if line_id - last_line > 1 or line_id == lines.length - 1
572 if line_id - last_line > 1 or line_id == lines.length - 1
573 depth.delete_if do |v|
573 depth.delete_if do |v|
574 lines[last_line] << "</li>\n\t</#{ lT( v ) }l>"
574 lines[last_line] << "</li>\n\t</#{ lT( v ) }l>"
575 end
575 end
576 end
576 end
577 end
577 end
578 lines.join( "\n" )
578 lines.join( "\n" )
579 end
579 end
580 end
580 end
581
581
582 QUOTES_RE = /(^>+([^\n]*?)(\n|$))+/m
582 QUOTES_RE = /(^>+([^\n]*?)(\n|$))+/m
583 QUOTES_CONTENT_RE = /^([> ]+)(.*)$/m
583 QUOTES_CONTENT_RE = /^([> ]+)(.*)$/m
584
584
585 def block_textile_quotes( text )
585 def block_textile_quotes( text )
586 text.gsub!( QUOTES_RE ) do |match|
586 text.gsub!( QUOTES_RE ) do |match|
587 lines = match.split( /\n/ )
587 lines = match.split( /\n/ )
588 quotes = ''
588 quotes = ''
589 indent = 0
589 indent = 0
590 lines.each do |line|
590 lines.each do |line|
591 line =~ QUOTES_CONTENT_RE
591 line =~ QUOTES_CONTENT_RE
592 bq,content = $1, $2
592 bq,content = $1, $2
593 l = bq.count('>')
593 l = bq.count('>')
594 if l != indent
594 if l != indent
595 quotes << ("\n\n" + (l>indent ? '<blockquote>' * (l-indent) : '</blockquote>' * (indent-l)) + "\n\n")
595 quotes << ("\n\n" + (l>indent ? '<blockquote>' * (l-indent) : '</blockquote>' * (indent-l)) + "\n\n")
596 indent = l
596 indent = l
597 end
597 end
598 quotes << (content + "\n")
598 quotes << (content + "\n")
599 end
599 end
600 quotes << ("\n" + '</blockquote>' * indent + "\n\n")
600 quotes << ("\n" + '</blockquote>' * indent + "\n\n")
601 quotes
601 quotes
602 end
602 end
603 end
603 end
604
604
605 CODE_RE = /(\W)
605 CODE_RE = /(\W)
606 @
606 @
607 (?:\|(\w+?)\|)?
607 (?:\|(\w+?)\|)?
608 (.+?)
608 (.+?)
609 @
609 @
610 (?=\W)/x
610 (?=\W)/x
611
611
612 def inline_textile_code( text )
612 def inline_textile_code( text )
613 text.gsub!( CODE_RE ) do |m|
613 text.gsub!( CODE_RE ) do |m|
614 before,lang,code,after = $~[1..4]
614 before,lang,code,after = $~[1..4]
615 lang = " lang=\"#{ lang }\"" if lang
615 lang = " lang=\"#{ lang }\"" if lang
616 rip_offtags( "#{ before }<code#{ lang }>#{ code }</code>#{ after }", false )
616 rip_offtags( "#{ before }<code#{ lang }>#{ code }</code>#{ after }", false )
617 end
617 end
618 end
618 end
619
619
620 def lT( text )
620 def lT( text )
621 text =~ /\#$/ ? 'o' : 'u'
621 text =~ /\#$/ ? 'o' : 'u'
622 end
622 end
623
623
624 def hard_break( text )
624 def hard_break( text )
625 text.gsub!( /(.)\n(?!\Z| *([#*=]+(\s|$)|[{|]))/, "\\1<br />" ) if hard_breaks
625 text.gsub!( /(.)\n(?!\Z| *([#*=]+(\s|$)|[{|]))/, "\\1<br />" ) if hard_breaks
626 end
626 end
627
627
628 BLOCKS_GROUP_RE = /\n{2,}(?! )/m
628 BLOCKS_GROUP_RE = /\n{2,}(?! )/m
629
629
630 def blocks( text, deep_code = false )
630 def blocks( text, deep_code = false )
631 text.replace( text.split( BLOCKS_GROUP_RE ).collect do |blk|
631 text.replace( text.split( BLOCKS_GROUP_RE ).collect do |blk|
632 plain = blk !~ /\A[#*> ]/
632 plain = blk !~ /\A[#*> ]/
633
633
634 # skip blocks that are complex HTML
634 # skip blocks that are complex HTML
635 if blk =~ /^<\/?(\w+).*>/ and not SIMPLE_HTML_TAGS.include? $1
635 if blk =~ /^<\/?(\w+).*>/ and not SIMPLE_HTML_TAGS.include? $1
636 blk
636 blk
637 else
637 else
638 # search for indentation levels
638 # search for indentation levels
639 blk.strip!
639 blk.strip!
640 if blk.empty?
640 if blk.empty?
641 blk
641 blk
642 else
642 else
643 code_blk = nil
643 code_blk = nil
644 blk.gsub!( /((?:\n(?:\n^ +[^\n]*)+)+)/m ) do |iblk|
644 blk.gsub!( /((?:\n(?:\n^ +[^\n]*)+)+)/m ) do |iblk|
645 flush_left iblk
645 flush_left iblk
646 blocks iblk, plain
646 blocks iblk, plain
647 iblk.gsub( /^(\S)/, "\t\\1" )
647 iblk.gsub( /^(\S)/, "\t\\1" )
648 if plain
648 if plain
649 code_blk = iblk; ""
649 code_blk = iblk; ""
650 else
650 else
651 iblk
651 iblk
652 end
652 end
653 end
653 end
654
654
655 block_applied = 0
655 block_applied = 0
656 @rules.each do |rule_name|
656 @rules.each do |rule_name|
657 block_applied += 1 if ( rule_name.to_s.match /^block_/ and method( rule_name ).call( blk ) )
657 block_applied += 1 if ( rule_name.to_s.match /^block_/ and method( rule_name ).call( blk ) )
658 end
658 end
659 if block_applied.zero?
659 if block_applied.zero?
660 if deep_code
660 if deep_code
661 blk = "\t<pre><code>#{ blk }</code></pre>"
661 blk = "\t<pre><code>#{ blk }</code></pre>"
662 else
662 else
663 blk = "\t<p>#{ blk }</p>"
663 blk = "\t<p>#{ blk }</p>"
664 end
664 end
665 end
665 end
666 # hard_break blk
666 # hard_break blk
667 blk + "\n#{ code_blk }"
667 blk + "\n#{ code_blk }"
668 end
668 end
669 end
669 end
670
670
671 end.join( "\n\n" ) )
671 end.join( "\n\n" ) )
672 end
672 end
673
673
674 def textile_bq( tag, atts, cite, content )
674 def textile_bq( tag, atts, cite, content )
675 cite, cite_title = check_refs( cite )
675 cite, cite_title = check_refs( cite )
676 cite = " cite=\"#{ cite }\"" if cite
676 cite = " cite=\"#{ cite }\"" if cite
677 atts = shelve( atts ) if atts
677 atts = shelve( atts ) if atts
678 "\t<blockquote#{ cite }>\n\t\t<p#{ atts }>#{ content }</p>\n\t</blockquote>"
678 "\t<blockquote#{ cite }>\n\t\t<p#{ atts }>#{ content }</p>\n\t</blockquote>"
679 end
679 end
680
680
681 def textile_p( tag, atts, cite, content )
681 def textile_p( tag, atts, cite, content )
682 atts = shelve( atts ) if atts
682 atts = shelve( atts ) if atts
683 "\t<#{ tag }#{ atts }>#{ content }</#{ tag }>"
683 "\t<#{ tag }#{ atts }>#{ content }</#{ tag }>"
684 end
684 end
685
685
686 alias textile_h1 textile_p
686 alias textile_h1 textile_p
687 alias textile_h2 textile_p
687 alias textile_h2 textile_p
688 alias textile_h3 textile_p
688 alias textile_h3 textile_p
689 alias textile_h4 textile_p
689 alias textile_h4 textile_p
690 alias textile_h5 textile_p
690 alias textile_h5 textile_p
691 alias textile_h6 textile_p
691 alias textile_h6 textile_p
692
692
693 def textile_fn_( tag, num, atts, cite, content )
693 def textile_fn_( tag, num, atts, cite, content )
694 atts << " id=\"fn#{ num }\" class=\"footnote\""
694 atts << " id=\"fn#{ num }\" class=\"footnote\""
695 content = "<sup>#{ num }</sup> #{ content }"
695 content = "<sup>#{ num }</sup> #{ content }"
696 atts = shelve( atts ) if atts
696 atts = shelve( atts ) if atts
697 "\t<p#{ atts }>#{ content }</p>"
697 "\t<p#{ atts }>#{ content }</p>"
698 end
698 end
699
699
700 BLOCK_RE = /^(([a-z]+)(\d*))(#{A}#{C})\.(?::(\S+))? (.*)$/m
700 BLOCK_RE = /^(([a-z]+)(\d*))(#{A}#{C})\.(?::(\S+))? (.*)$/m
701
701
702 def block_textile_prefix( text )
702 def block_textile_prefix( text )
703 if text =~ BLOCK_RE
703 if text =~ BLOCK_RE
704 tag,tagpre,num,atts,cite,content = $~[1..6]
704 tag,tagpre,num,atts,cite,content = $~[1..6]
705 atts = pba( atts )
705 atts = pba( atts )
706
706
707 # pass to prefix handler
707 # pass to prefix handler
708 if respond_to? "textile_#{ tag }", true
708 if respond_to? "textile_#{ tag }", true
709 text.gsub!( $&, method( "textile_#{ tag }" ).call( tag, atts, cite, content ) )
709 text.gsub!( $&, method( "textile_#{ tag }" ).call( tag, atts, cite, content ) )
710 elsif respond_to? "textile_#{ tagpre }_", true
710 elsif respond_to? "textile_#{ tagpre }_", true
711 text.gsub!( $&, method( "textile_#{ tagpre }_" ).call( tagpre, num, atts, cite, content ) )
711 text.gsub!( $&, method( "textile_#{ tagpre }_" ).call( tagpre, num, atts, cite, content ) )
712 end
712 end
713 end
713 end
714 end
714 end
715
715
716 SETEXT_RE = /\A(.+?)\n([=-])[=-]* *$/m
716 SETEXT_RE = /\A(.+?)\n([=-])[=-]* *$/m
717 def block_markdown_setext( text )
717 def block_markdown_setext( text )
718 if text =~ SETEXT_RE
718 if text =~ SETEXT_RE
719 tag = if $2 == "="; "h1"; else; "h2"; end
719 tag = if $2 == "="; "h1"; else; "h2"; end
720 blk, cont = "<#{ tag }>#{ $1 }</#{ tag }>", $'
720 blk, cont = "<#{ tag }>#{ $1 }</#{ tag }>", $'
721 blocks cont
721 blocks cont
722 text.replace( blk + cont )
722 text.replace( blk + cont )
723 end
723 end
724 end
724 end
725
725
726 ATX_RE = /\A(\#{1,6}) # $1 = string of #'s
726 ATX_RE = /\A(\#{1,6}) # $1 = string of #'s
727 [ ]*
727 [ ]*
728 (.+?) # $2 = Header text
728 (.+?) # $2 = Header text
729 [ ]*
729 [ ]*
730 \#* # optional closing #'s (not counted)
730 \#* # optional closing #'s (not counted)
731 $/x
731 $/x
732 def block_markdown_atx( text )
732 def block_markdown_atx( text )
733 if text =~ ATX_RE
733 if text =~ ATX_RE
734 tag = "h#{ $1.length }"
734 tag = "h#{ $1.length }"
735 blk, cont = "<#{ tag }>#{ $2 }</#{ tag }>\n\n", $'
735 blk, cont = "<#{ tag }>#{ $2 }</#{ tag }>\n\n", $'
736 blocks cont
736 blocks cont
737 text.replace( blk + cont )
737 text.replace( blk + cont )
738 end
738 end
739 end
739 end
740
740
741 MARKDOWN_BQ_RE = /\A(^ *> ?.+$(.+\n)*\n*)+/m
741 MARKDOWN_BQ_RE = /\A(^ *> ?.+$(.+\n)*\n*)+/m
742
742
743 def block_markdown_bq( text )
743 def block_markdown_bq( text )
744 text.gsub!( MARKDOWN_BQ_RE ) do |blk|
744 text.gsub!( MARKDOWN_BQ_RE ) do |blk|
745 blk.gsub!( /^ *> ?/, '' )
745 blk.gsub!( /^ *> ?/, '' )
746 flush_left blk
746 flush_left blk
747 blocks blk
747 blocks blk
748 blk.gsub!( /^(\S)/, "\t\\1" )
748 blk.gsub!( /^(\S)/, "\t\\1" )
749 "<blockquote>\n#{ blk }\n</blockquote>\n\n"
749 "<blockquote>\n#{ blk }\n</blockquote>\n\n"
750 end
750 end
751 end
751 end
752
752
753 MARKDOWN_RULE_RE = /^(#{
753 MARKDOWN_RULE_RE = /^(#{
754 ['*', '-', '_'].collect { |ch| ' ?(' + Regexp::quote( ch ) + ' ?){3,}' }.join( '|' )
754 ['*', '-', '_'].collect { |ch| ' ?(' + Regexp::quote( ch ) + ' ?){3,}' }.join( '|' )
755 })$/
755 })$/
756
756
757 def block_markdown_rule( text )
757 def block_markdown_rule( text )
758 text.gsub!( MARKDOWN_RULE_RE ) do |blk|
758 text.gsub!( MARKDOWN_RULE_RE ) do |blk|
759 "<hr />"
759 "<hr />"
760 end
760 end
761 end
761 end
762
762
763 # XXX TODO XXX
763 # XXX TODO XXX
764 def block_markdown_lists( text )
764 def block_markdown_lists( text )
765 end
765 end
766
766
767 def inline_textile_span( text )
767 def inline_textile_span( text )
768 QTAGS.each do |qtag_rc, ht, qtag_re, rtype|
768 QTAGS.each do |qtag_rc, ht, qtag_re, rtype|
769 text.gsub!( qtag_re ) do |m|
769 text.gsub!( qtag_re ) do |m|
770
770
771 case rtype
771 case rtype
772 when :limit
772 when :limit
773 sta,oqs,qtag,content,oqa = $~[1..6]
773 sta,oqs,qtag,content,oqa = $~[1..6]
774 atts = nil
774 atts = nil
775 if content =~ /^(#{C})(.+)$/
775 if content =~ /^(#{C})(.+)$/
776 atts, content = $~[1..2]
776 atts, content = $~[1..2]
777 end
777 end
778 else
778 else
779 qtag,atts,cite,content = $~[1..4]
779 qtag,atts,cite,content = $~[1..4]
780 sta = ''
780 sta = ''
781 end
781 end
782 atts = pba( atts )
782 atts = pba( atts )
783 atts = shelve( atts ) if atts
783 atts = shelve( atts ) if atts
784
784
785 "#{ sta }#{ oqs }<#{ ht }#{ atts }>#{ content }</#{ ht }>#{ oqa }"
785 "#{ sta }#{ oqs }<#{ ht }#{ atts }>#{ content }</#{ ht }>#{ oqa }"
786
786
787 end
787 end
788 end
788 end
789 end
789 end
790
790
791 LINK_RE = /
791 LINK_RE = /
792 (
792 (
793 ([\s\[{(]|[#{PUNCT}])? # $pre
793 ([\s\[{(]|[#{PUNCT}])? # $pre
794 " # start
794 " # start
795 (#{C}) # $atts
795 (#{C}) # $atts
796 ([^"\n]+?) # $text
796 ([^"\n]+?) # $text
797 \s?
797 \s?
798 (?:\(([^)]+?)\)(?="))? # $title
798 (?:\(([^)]+?)\)(?="))? # $title
799 ":
799 ":
800 ( # $url
800 ( # $url
801 (\/|[a-zA-Z]+:\/\/|www\.|mailto:) # $proto
801 (\/|[a-zA-Z]+:\/\/|www\.|mailto:) # $proto
802 [\w\/]\S+?
802 [\w\/]\S+?
803 )
803 )
804 (\/)? # $slash
804 (\/)? # $slash
805 ([^\w\=\/;\(\)]*?) # $post
805 ([^\w\=\/;\(\)]*?) # $post
806 )
806 )
807 (?=<|\s|$)
807 (?=<|\s|$)
808 /x
808 /x
809 #"
809 #"
810 def inline_textile_link( text )
810 def inline_textile_link( text )
811 text.gsub!( LINK_RE ) do |m|
811 text.gsub!( LINK_RE ) do |m|
812 all,pre,atts,text,title,url,proto,slash,post = $~[1..9]
812 all,pre,atts,text,title,url,proto,slash,post = $~[1..9]
813 if text.include?('<br />')
813 if text.include?('<br />')
814 all
814 all
815 else
815 else
816 url, url_title = check_refs( url )
816 url, url_title = check_refs( url )
817 title ||= url_title
817 title ||= url_title
818
818
819 # Idea below : an URL with unbalanced parethesis and
819 # Idea below : an URL with unbalanced parethesis and
820 # ending by ')' is put into external parenthesis
820 # ending by ')' is put into external parenthesis
821 if ( url[-1]==?) and ((url.count("(") - url.count(")")) < 0 ) )
821 if ( url[-1]==?) and ((url.count("(") - url.count(")")) < 0 ) )
822 url=url[0..-2] # discard closing parenth from url
822 url=url[0..-2] # discard closing parenth from url
823 post = ")"+post # add closing parenth to post
823 post = ")"+post # add closing parenth to post
824 end
824 end
825 atts = pba( atts )
825 atts = pba( atts )
826 atts = " href=\"#{ url }#{ slash }\"#{ atts }"
826 atts = " href=\"#{ url }#{ slash }\"#{ atts }"
827 atts << " title=\"#{ htmlesc title }\"" if title
827 atts << " title=\"#{ htmlesc title }\"" if title
828 atts = shelve( atts ) if atts
828 atts = shelve( atts ) if atts
829
829
830 external = (url =~ /^https?:\/\//) ? ' class="external"' : ''
830 external = (url =~ /^https?:\/\//) ? ' class="external"' : ''
831
831
832 "#{ pre }<a#{ atts }#{ external }>#{ text }</a>#{ post }"
832 "#{ pre }<a#{ atts }#{ external }>#{ text }</a>#{ post }"
833 end
833 end
834 end
834 end
835 end
835 end
836
836
837 MARKDOWN_REFLINK_RE = /
837 MARKDOWN_REFLINK_RE = /
838 \[([^\[\]]+)\] # $text
838 \[([^\[\]]+)\] # $text
839 [ ]? # opt. space
839 [ ]? # opt. space
840 (?:\n[ ]*)? # one optional newline followed by spaces
840 (?:\n[ ]*)? # one optional newline followed by spaces
841 \[(.*?)\] # $id
841 \[(.*?)\] # $id
842 /x
842 /x
843
843
844 def inline_markdown_reflink( text )
844 def inline_markdown_reflink( text )
845 text.gsub!( MARKDOWN_REFLINK_RE ) do |m|
845 text.gsub!( MARKDOWN_REFLINK_RE ) do |m|
846 text, id = $~[1..2]
846 text, id = $~[1..2]
847
847
848 if id.empty?
848 if id.empty?
849 url, title = check_refs( text )
849 url, title = check_refs( text )
850 else
850 else
851 url, title = check_refs( id )
851 url, title = check_refs( id )
852 end
852 end
853
853
854 atts = " href=\"#{ url }\""
854 atts = " href=\"#{ url }\""
855 atts << " title=\"#{ title }\"" if title
855 atts << " title=\"#{ title }\"" if title
856 atts = shelve( atts )
856 atts = shelve( atts )
857
857
858 "<a#{ atts }>#{ text }</a>"
858 "<a#{ atts }>#{ text }</a>"
859 end
859 end
860 end
860 end
861
861
862 MARKDOWN_LINK_RE = /
862 MARKDOWN_LINK_RE = /
863 \[([^\[\]]+)\] # $text
863 \[([^\[\]]+)\] # $text
864 \( # open paren
864 \( # open paren
865 [ \t]* # opt space
865 [ \t]* # opt space
866 <?(.+?)>? # $href
866 <?(.+?)>? # $href
867 [ \t]* # opt space
867 [ \t]* # opt space
868 (?: # whole title
868 (?: # whole title
869 (['"]) # $quote
869 (['"]) # $quote
870 (.*?) # $title
870 (.*?) # $title
871 \3 # matching quote
871 \3 # matching quote
872 )? # title is optional
872 )? # title is optional
873 \)
873 \)
874 /x
874 /x
875
875
876 def inline_markdown_link( text )
876 def inline_markdown_link( text )
877 text.gsub!( MARKDOWN_LINK_RE ) do |m|
877 text.gsub!( MARKDOWN_LINK_RE ) do |m|
878 text, url, quote, title = $~[1..4]
878 text, url, quote, title = $~[1..4]
879
879
880 atts = " href=\"#{ url }\""
880 atts = " href=\"#{ url }\""
881 atts << " title=\"#{ title }\"" if title
881 atts << " title=\"#{ title }\"" if title
882 atts = shelve( atts )
882 atts = shelve( atts )
883
883
884 "<a#{ atts }>#{ text }</a>"
884 "<a#{ atts }>#{ text }</a>"
885 end
885 end
886 end
886 end
887
887
888 TEXTILE_REFS_RE = /(^ *)\[([^\[\n]+?)\](#{HYPERLINK})(?=\s|$)/
888 TEXTILE_REFS_RE = /(^ *)\[([^\[\n]+?)\](#{HYPERLINK})(?=\s|$)/
889 MARKDOWN_REFS_RE = /(^ *)\[([^\n]+?)\]:\s+<?(#{HYPERLINK})>?(?:\s+"((?:[^"]|\\")+)")?(?=\s|$)/m
889 MARKDOWN_REFS_RE = /(^ *)\[([^\n]+?)\]:\s+<?(#{HYPERLINK})>?(?:\s+"((?:[^"]|\\")+)")?(?=\s|$)/m
890
890
891 def refs( text )
891 def refs( text )
892 @rules.each do |rule_name|
892 @rules.each do |rule_name|
893 method( rule_name ).call( text ) if rule_name.to_s.match /^refs_/
893 method( rule_name ).call( text ) if rule_name.to_s.match /^refs_/
894 end
894 end
895 end
895 end
896
896
897 def refs_textile( text )
897 def refs_textile( text )
898 text.gsub!( TEXTILE_REFS_RE ) do |m|
898 text.gsub!( TEXTILE_REFS_RE ) do |m|
899 flag, url = $~[2..3]
899 flag, url = $~[2..3]
900 @urlrefs[flag.downcase] = [url, nil]
900 @urlrefs[flag.downcase] = [url, nil]
901 nil
901 nil
902 end
902 end
903 end
903 end
904
904
905 def refs_markdown( text )
905 def refs_markdown( text )
906 text.gsub!( MARKDOWN_REFS_RE ) do |m|
906 text.gsub!( MARKDOWN_REFS_RE ) do |m|
907 flag, url = $~[2..3]
907 flag, url = $~[2..3]
908 title = $~[6]
908 title = $~[6]
909 @urlrefs[flag.downcase] = [url, title]
909 @urlrefs[flag.downcase] = [url, title]
910 nil
910 nil
911 end
911 end
912 end
912 end
913
913
914 def check_refs( text )
914 def check_refs( text )
915 ret = @urlrefs[text.downcase] if text
915 ret = @urlrefs[text.downcase] if text
916 ret || [text, nil]
916 ret || [text, nil]
917 end
917 end
918
918
919 IMAGE_RE = /
919 IMAGE_RE = /
920 (>|\s|^) # start of line?
920 (>|\s|^) # start of line?
921 \! # opening
921 \! # opening
922 (\<|\=|\>)? # optional alignment atts
922 (\<|\=|\>)? # optional alignment atts
923 (#{C}) # optional style,class atts
923 (#{C}) # optional style,class atts
924 (?:\. )? # optional dot-space
924 (?:\. )? # optional dot-space
925 ([^\s(!]+?) # presume this is the src
925 ([^\s(!]+?) # presume this is the src
926 \s? # optional space
926 \s? # optional space
927 (?:\(((?:[^\(\)]|\([^\)]+\))+?)\))? # optional title
927 (?:\(((?:[^\(\)]|\([^\)]+\))+?)\))? # optional title
928 \! # closing
928 \! # closing
929 (?::#{ HYPERLINK })? # optional href
929 (?::#{ HYPERLINK })? # optional href
930 /x
930 /x
931
931
932 def inline_textile_image( text )
932 def inline_textile_image( text )
933 text.gsub!( IMAGE_RE ) do |m|
933 text.gsub!( IMAGE_RE ) do |m|
934 stln,algn,atts,url,title,href,href_a1,href_a2 = $~[1..8]
934 stln,algn,atts,url,title,href,href_a1,href_a2 = $~[1..8]
935 htmlesc title
935 htmlesc title
936 atts = pba( atts )
936 atts = pba( atts )
937 atts = " src=\"#{ url }\"#{ atts }"
937 atts = " src=\"#{ url }\"#{ atts }"
938 atts << " title=\"#{ title }\"" if title
938 atts << " title=\"#{ title }\"" if title
939 atts << " alt=\"#{ title }\""
939 atts << " alt=\"#{ title }\""
940 # size = @getimagesize($url);
940 # size = @getimagesize($url);
941 # if($size) $atts.= " $size[3]";
941 # if($size) $atts.= " $size[3]";
942
942
943 href, alt_title = check_refs( href ) if href
943 href, alt_title = check_refs( href ) if href
944 url, url_title = check_refs( url )
944 url, url_title = check_refs( url )
945
945
946 out = ''
946 out = ''
947 out << "<a#{ shelve( " href=\"#{ href }\"" ) }>" if href
947 out << "<a#{ shelve( " href=\"#{ href }\"" ) }>" if href
948 out << "<img#{ shelve( atts ) } />"
948 out << "<img#{ shelve( atts ) } />"
949 out << "</a>#{ href_a1 }#{ href_a2 }" if href
949 out << "</a>#{ href_a1 }#{ href_a2 }" if href
950
950
951 if algn
951 if algn
952 algn = h_align( algn )
952 algn = h_align( algn )
953 if stln == "<p>"
953 if stln == "<p>"
954 out = "<p style=\"float:#{ algn }\">#{ out }"
954 out = "<p style=\"float:#{ algn }\">#{ out }"
955 else
955 else
956 out = "#{ stln }<div style=\"float:#{ algn }\">#{ out }</div>"
956 out = "#{ stln }<div style=\"float:#{ algn }\">#{ out }</div>"
957 end
957 end
958 else
958 else
959 out = stln + out
959 out = stln + out
960 end
960 end
961
961
962 out
962 out
963 end
963 end
964 end
964 end
965
965
966 def shelve( val )
966 def shelve( val )
967 @shelf << val
967 @shelf << val
968 " :redsh##{ @shelf.length }:"
968 " :redsh##{ @shelf.length }:"
969 end
969 end
970
970
971 def retrieve( text )
971 def retrieve( text )
972 @shelf.each_with_index do |r, i|
972 @shelf.each_with_index do |r, i|
973 text.gsub!( " :redsh##{ i + 1 }:", r )
973 text.gsub!( " :redsh##{ i + 1 }:", r )
974 end
974 end
975 end
975 end
976
976
977 def incoming_entities( text )
977 def incoming_entities( text )
978 ## turn any incoming ampersands into a dummy character for now.
978 ## turn any incoming ampersands into a dummy character for now.
979 ## This uses a negative lookahead for alphanumerics followed by a semicolon,
979 ## This uses a negative lookahead for alphanumerics followed by a semicolon,
980 ## implying an incoming html entity, to be skipped
980 ## implying an incoming html entity, to be skipped
981
981
982 text.gsub!( /&(?![#a-z0-9]+;)/i, "x%x%" )
982 text.gsub!( /&(?![#a-z0-9]+;)/i, "x%x%" )
983 end
983 end
984
984
985 def no_textile( text )
985 def no_textile( text )
986 text.gsub!( /(^|\s)==([^=]+.*?)==(\s|$)?/,
986 text.gsub!( /(^|\s)==([^=]+.*?)==(\s|$)?/,
987 '\1<notextile>\2</notextile>\3' )
987 '\1<notextile>\2</notextile>\3' )
988 text.gsub!( /^ *==([^=]+.*?)==/m,
988 text.gsub!( /^ *==([^=]+.*?)==/m,
989 '\1<notextile>\2</notextile>\3' )
989 '\1<notextile>\2</notextile>\3' )
990 end
990 end
991
991
992 def clean_white_space( text )
992 def clean_white_space( text )
993 # normalize line breaks
993 # normalize line breaks
994 text.gsub!( /\r\n/, "\n" )
994 text.gsub!( /\r\n/, "\n" )
995 text.gsub!( /\r/, "\n" )
995 text.gsub!( /\r/, "\n" )
996 text.gsub!( /\t/, ' ' )
996 text.gsub!( /\t/, ' ' )
997 text.gsub!( /^ +$/, '' )
997 text.gsub!( /^ +$/, '' )
998 text.gsub!( /\n{3,}/, "\n\n" )
998 text.gsub!( /\n{3,}/, "\n\n" )
999 text.gsub!( /"$/, "\" " )
999 text.gsub!( /"$/, "\" " )
1000
1000
1001 # if entire document is indented, flush
1001 # if entire document is indented, flush
1002 # to the left side
1002 # to the left side
1003 flush_left text
1003 flush_left text
1004 end
1004 end
1005
1005
1006 def flush_left( text )
1006 def flush_left( text )
1007 indt = 0
1007 indt = 0
1008 if text =~ /^ /
1008 if text =~ /^ /
1009 while text !~ /^ {#{indt}}\S/
1009 while text !~ /^ {#{indt}}\S/
1010 indt += 1
1010 indt += 1
1011 end unless text.empty?
1011 end unless text.empty?
1012 if indt.nonzero?
1012 if indt.nonzero?
1013 text.gsub!( /^ {#{indt}}/, '' )
1013 text.gsub!( /^ {#{indt}}/, '' )
1014 end
1014 end
1015 end
1015 end
1016 end
1016 end
1017
1017
1018 def footnote_ref( text )
1018 def footnote_ref( text )
1019 text.gsub!( /\b\[([0-9]+?)\](\s)?/,
1019 text.gsub!( /\b\[([0-9]+?)\](\s)?/,
1020 '<sup><a href="#fn\1">\1</a></sup>\2' )
1020 '<sup><a href="#fn\1">\1</a></sup>\2' )
1021 end
1021 end
1022
1022
1023 OFFTAGS = /(code|pre|kbd|notextile)/
1023 OFFTAGS = /(code|pre|kbd|notextile)/
1024 OFFTAG_MATCH = /(?:(<\/#{ OFFTAGS }>)|(<#{ OFFTAGS }[^>]*>))(.*?)(?=<\/?#{ OFFTAGS }\W|\Z)/mi
1024 OFFTAG_MATCH = /(?:(<\/#{ OFFTAGS }>)|(<#{ OFFTAGS }[^>]*>))(.*?)(?=<\/?#{ OFFTAGS }\W|\Z)/mi
1025 OFFTAG_OPEN = /<#{ OFFTAGS }/
1025 OFFTAG_OPEN = /<#{ OFFTAGS }/
1026 OFFTAG_CLOSE = /<\/?#{ OFFTAGS }/
1026 OFFTAG_CLOSE = /<\/?#{ OFFTAGS }/
1027 HASTAG_MATCH = /(<\/?\w[^\n]*?>)/m
1027 HASTAG_MATCH = /(<\/?\w[^\n]*?>)/m
1028 ALLTAG_MATCH = /(<\/?\w[^\n]*?>)|.*?(?=<\/?\w[^\n]*?>|$)/m
1028 ALLTAG_MATCH = /(<\/?\w[^\n]*?>)|.*?(?=<\/?\w[^\n]*?>|$)/m
1029
1029
1030 def glyphs_textile( text, level = 0 )
1030 def glyphs_textile( text, level = 0 )
1031 if text !~ HASTAG_MATCH
1031 if text !~ HASTAG_MATCH
1032 pgl text
1032 pgl text
1033 footnote_ref text
1033 footnote_ref text
1034 else
1034 else
1035 codepre = 0
1035 codepre = 0
1036 text.gsub!( ALLTAG_MATCH ) do |line|
1036 text.gsub!( ALLTAG_MATCH ) do |line|
1037 ## matches are off if we're between <code>, <pre> etc.
1037 ## matches are off if we're between <code>, <pre> etc.
1038 if $1
1038 if $1
1039 if line =~ OFFTAG_OPEN
1039 if line =~ OFFTAG_OPEN
1040 codepre += 1
1040 codepre += 1
1041 elsif line =~ OFFTAG_CLOSE
1041 elsif line =~ OFFTAG_CLOSE
1042 codepre -= 1
1042 codepre -= 1
1043 codepre = 0 if codepre < 0
1043 codepre = 0 if codepre < 0
1044 end
1044 end
1045 elsif codepre.zero?
1045 elsif codepre.zero?
1046 glyphs_textile( line, level + 1 )
1046 glyphs_textile( line, level + 1 )
1047 else
1047 else
1048 htmlesc( line, :NoQuotes )
1048 htmlesc( line, :NoQuotes )
1049 end
1049 end
1050 # p [level, codepre, line]
1050 # p [level, codepre, line]
1051
1051
1052 line
1052 line
1053 end
1053 end
1054 end
1054 end
1055 end
1055 end
1056
1056
1057 def rip_offtags( text, escape_aftertag=true )
1057 def rip_offtags( text, escape_aftertag=true )
1058 if text =~ /<.*>/
1058 if text =~ /<.*>/
1059 ## strip and encode <pre> content
1059 ## strip and encode <pre> content
1060 codepre, used_offtags = 0, {}
1060 codepre, used_offtags = 0, {}
1061 text.gsub!( OFFTAG_MATCH ) do |line|
1061 text.gsub!( OFFTAG_MATCH ) do |line|
1062 if $3
1062 if $3
1063 offtag, aftertag = $4, $5
1063 first, offtag, aftertag = $3, $4, $5
1064 codepre += 1
1064 codepre += 1
1065 used_offtags[offtag] = true
1065 used_offtags[offtag] = true
1066 if codepre - used_offtags.length > 0
1066 if codepre - used_offtags.length > 0
1067 htmlesc( line, :NoQuotes )
1067 htmlesc( line, :NoQuotes )
1068 @pre_list.last << line
1068 @pre_list.last << line
1069 line = ""
1069 line = ""
1070 else
1070 else
1071 htmlesc( aftertag, :NoQuotes ) if aftertag && escape_aftertag
1071 ### htmlesc is disabled between CODE tags which will be parsed with highlighter
1072 ### Regexp in formatter.rb is : /<code\s+class="(\w+)">\s?(.+)/m
1073 ### NB: some changes were made not to use $N variables, because we use "match"
1074 ### and it breaks following lines
1075 htmlesc( aftertag, :NoQuotes ) if aftertag && escape_aftertag && !first.match(/<code\s+class="(\w+)">/)
1072 line = "<redpre##{ @pre_list.length }>"
1076 line = "<redpre##{ @pre_list.length }>"
1073 $3.match(/<#{ OFFTAGS }([^>]*)>/)
1077 first.match(/<#{ OFFTAGS }([^>]*)>/)
1074 tag = $1
1078 tag = $1
1075 $2.to_s.match(/(class\=\S+)/i)
1079 $2.to_s.match(/(class\=\S+)/i)
1076 tag << " #{$1}" if $1
1080 tag << " #{$1}" if $1
1077 @pre_list << "<#{ tag }>#{ aftertag }"
1081 @pre_list << "<#{ tag }>#{ aftertag }"
1078 end
1082 end
1079 elsif $1 and codepre > 0
1083 elsif $1 and codepre > 0
1080 if codepre - used_offtags.length > 0
1084 if codepre - used_offtags.length > 0
1081 htmlesc( line, :NoQuotes )
1085 htmlesc( line, :NoQuotes )
1082 @pre_list.last << line
1086 @pre_list.last << line
1083 line = ""
1087 line = ""
1084 end
1088 end
1085 codepre -= 1 unless codepre.zero?
1089 codepre -= 1 unless codepre.zero?
1086 used_offtags = {} if codepre.zero?
1090 used_offtags = {} if codepre.zero?
1087 end
1091 end
1088 line
1092 line
1089 end
1093 end
1090 end
1094 end
1091 text
1095 text
1092 end
1096 end
1093
1097
1094 def smooth_offtags( text )
1098 def smooth_offtags( text )
1095 unless @pre_list.empty?
1099 unless @pre_list.empty?
1096 ## replace <pre> content
1100 ## replace <pre> content
1097 text.gsub!( /<redpre#(\d+)>/ ) { @pre_list[$1.to_i] }
1101 text.gsub!( /<redpre#(\d+)>/ ) { @pre_list[$1.to_i] }
1098 end
1102 end
1099 end
1103 end
1100
1104
1101 def inline( text )
1105 def inline( text )
1102 [/^inline_/, /^glyphs_/].each do |meth_re|
1106 [/^inline_/, /^glyphs_/].each do |meth_re|
1103 @rules.each do |rule_name|
1107 @rules.each do |rule_name|
1104 method( rule_name ).call( text ) if rule_name.to_s.match( meth_re )
1108 method( rule_name ).call( text ) if rule_name.to_s.match( meth_re )
1105 end
1109 end
1106 end
1110 end
1107 end
1111 end
1108
1112
1109 def h_align( text )
1113 def h_align( text )
1110 H_ALGN_VALS[text]
1114 H_ALGN_VALS[text]
1111 end
1115 end
1112
1116
1113 def v_align( text )
1117 def v_align( text )
1114 V_ALGN_VALS[text]
1118 V_ALGN_VALS[text]
1115 end
1119 end
1116
1120
1117 def textile_popup_help( name, windowW, windowH )
1121 def textile_popup_help( name, windowW, windowH )
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 />'
1122 ' <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 />'
1119 end
1123 end
1120
1124
1121 # HTML cleansing stuff
1125 # HTML cleansing stuff
1122 BASIC_TAGS = {
1126 BASIC_TAGS = {
1123 'a' => ['href', 'title'],
1127 'a' => ['href', 'title'],
1124 'img' => ['src', 'alt', 'title'],
1128 'img' => ['src', 'alt', 'title'],
1125 'br' => [],
1129 'br' => [],
1126 'i' => nil,
1130 'i' => nil,
1127 'u' => nil,
1131 'u' => nil,
1128 'b' => nil,
1132 'b' => nil,
1129 'pre' => nil,
1133 'pre' => nil,
1130 'kbd' => nil,
1134 'kbd' => nil,
1131 'code' => ['lang'],
1135 'code' => ['lang'],
1132 'cite' => nil,
1136 'cite' => nil,
1133 'strong' => nil,
1137 'strong' => nil,
1134 'em' => nil,
1138 'em' => nil,
1135 'ins' => nil,
1139 'ins' => nil,
1136 'sup' => nil,
1140 'sup' => nil,
1137 'sub' => nil,
1141 'sub' => nil,
1138 'del' => nil,
1142 'del' => nil,
1139 'table' => nil,
1143 'table' => nil,
1140 'tr' => nil,
1144 'tr' => nil,
1141 'td' => ['colspan', 'rowspan'],
1145 'td' => ['colspan', 'rowspan'],
1142 'th' => nil,
1146 'th' => nil,
1143 'ol' => nil,
1147 'ol' => nil,
1144 'ul' => nil,
1148 'ul' => nil,
1145 'li' => nil,
1149 'li' => nil,
1146 'p' => nil,
1150 'p' => nil,
1147 'h1' => nil,
1151 'h1' => nil,
1148 'h2' => nil,
1152 'h2' => nil,
1149 'h3' => nil,
1153 'h3' => nil,
1150 'h4' => nil,
1154 'h4' => nil,
1151 'h5' => nil,
1155 'h5' => nil,
1152 'h6' => nil,
1156 'h6' => nil,
1153 'blockquote' => ['cite']
1157 'blockquote' => ['cite']
1154 }
1158 }
1155
1159
1156 def clean_html( text, tags = BASIC_TAGS )
1160 def clean_html( text, tags = BASIC_TAGS )
1157 text.gsub!( /<!\[CDATA\[/, '' )
1161 text.gsub!( /<!\[CDATA\[/, '' )
1158 text.gsub!( /<(\/*)(\w+)([^>]*)>/ ) do
1162 text.gsub!( /<(\/*)(\w+)([^>]*)>/ ) do
1159 raw = $~
1163 raw = $~
1160 tag = raw[2].downcase
1164 tag = raw[2].downcase
1161 if tags.has_key? tag
1165 if tags.has_key? tag
1162 pcs = [tag]
1166 pcs = [tag]
1163 tags[tag].each do |prop|
1167 tags[tag].each do |prop|
1164 ['"', "'", ''].each do |q|
1168 ['"', "'", ''].each do |q|
1165 q2 = ( q != '' ? q : '\s' )
1169 q2 = ( q != '' ? q : '\s' )
1166 if raw[3] =~ /#{prop}\s*=\s*#{q}([^#{q2}]+)#{q}/i
1170 if raw[3] =~ /#{prop}\s*=\s*#{q}([^#{q2}]+)#{q}/i
1167 attrv = $1
1171 attrv = $1
1168 next if prop == 'src' and attrv =~ %r{^(?!http)\w+:}
1172 next if prop == 'src' and attrv =~ %r{^(?!http)\w+:}
1169 pcs << "#{prop}=\"#{$1.gsub('"', '\\"')}\""
1173 pcs << "#{prop}=\"#{$1.gsub('"', '\\"')}\""
1170 break
1174 break
1171 end
1175 end
1172 end
1176 end
1173 end if tags[tag]
1177 end if tags[tag]
1174 "<#{raw[1]}#{pcs.join " "}>"
1178 "<#{raw[1]}#{pcs.join " "}>"
1175 else
1179 else
1176 " "
1180 " "
1177 end
1181 end
1178 end
1182 end
1179 end
1183 end
1180
1184
1181 ALLOWED_TAGS = %w(redpre pre code notextile)
1185 ALLOWED_TAGS = %w(redpre pre code notextile)
1182
1186
1183 def escape_html_tags(text)
1187 def escape_html_tags(text)
1184 text.gsub!(%r{<(\/?([!\w]+)[^<>\n]*)(>?)}) {|m| ALLOWED_TAGS.include?($2) ? "<#{$1}#{$3}" : "&lt;#{$1}#{'&gt;' unless $3.blank?}" }
1188 text.gsub!(%r{<(\/?([!\w]+)[^<>\n]*)(>?)}) {|m| ALLOWED_TAGS.include?($2) ? "<#{$1}#{$3}" : "&lt;#{$1}#{'&gt;' unless $3.blank?}" }
1185 end
1189 end
1186 end
1190 end
1187
1191
@@ -1,157 +1,157
1 # Redmine - project management software
1 # Redmine - project management software
2 # Copyright (C) 2006-2008 Jean-Philippe Lang
2 # Copyright (C) 2006-2008 Jean-Philippe Lang
3 #
3 #
4 # This program is free software; you can redistribute it and/or
4 # This program is free software; you can redistribute it and/or
5 # modify it under the terms of the GNU General Public License
5 # modify it under the terms of the GNU General Public License
6 # as published by the Free Software Foundation; either version 2
6 # as published by the Free Software Foundation; either version 2
7 # of the License, or (at your option) any later version.
7 # of the License, or (at your option) any later version.
8 #
8 #
9 # This program is distributed in the hope that it will be useful,
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
12 # GNU General Public License for more details.
13 #
13 #
14 # You should have received a copy of the GNU General Public License
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
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.
16 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
17
17
18 require 'redcloth3'
18 require 'redcloth3'
19 require 'coderay'
19 require 'coderay'
20
20
21 module Redmine
21 module Redmine
22 module WikiFormatting
22 module WikiFormatting
23 module Textile
23 module Textile
24 class Formatter < RedCloth3
24 class Formatter < RedCloth3
25
25
26 # auto_link rule after textile rules so that it doesn't break !image_url! tags
26 # auto_link rule after textile rules so that it doesn't break !image_url! tags
27 RULES = [:textile, :block_markdown_rule, :inline_auto_link, :inline_auto_mailto, :inline_toc]
27 RULES = [:textile, :block_markdown_rule, :inline_auto_link, :inline_auto_mailto, :inline_toc]
28
28
29 def initialize(*args)
29 def initialize(*args)
30 super
30 super
31 self.hard_breaks=true
31 self.hard_breaks=true
32 self.no_span_caps=true
32 self.no_span_caps=true
33 self.filter_styles=true
33 self.filter_styles=true
34 end
34 end
35
35
36 def to_html(*rules)
36 def to_html(*rules)
37 @toc = []
37 @toc = []
38 super(*RULES).to_s
38 super(*RULES).to_s
39 end
39 end
40
40
41 private
41 private
42
42
43 # Patch for RedCloth. Fixed in RedCloth r128 but _why hasn't released it yet.
43 # Patch for RedCloth. Fixed in RedCloth r128 but _why hasn't released it yet.
44 # <a href="http://code.whytheluckystiff.net/redcloth/changeset/128">http://code.whytheluckystiff.net/redcloth/changeset/128</a>
44 # <a href="http://code.whytheluckystiff.net/redcloth/changeset/128">http://code.whytheluckystiff.net/redcloth/changeset/128</a>
45 def hard_break( text )
45 def hard_break( text )
46 text.gsub!( /(.)\n(?!\n|\Z|>| *([#*=]+(\s|$)|[{|]))/, "\\1<br />" ) if hard_breaks
46 text.gsub!( /(.)\n(?!\n|\Z|>| *([#*=]+(\s|$)|[{|]))/, "\\1<br />" ) if hard_breaks
47 end
47 end
48
48
49 # Patch to add code highlighting support to RedCloth
49 # Patch to add code highlighting support to RedCloth
50 def smooth_offtags( text )
50 def smooth_offtags( text )
51 unless @pre_list.empty?
51 unless @pre_list.empty?
52 ## replace <pre> content
52 ## replace <pre> content
53 text.gsub!(/<redpre#(\d+)>/) do
53 text.gsub!(/<redpre#(\d+)>/) do
54 content = @pre_list[$1.to_i]
54 content = @pre_list[$1.to_i]
55 if content.match(/<code\s+class="(\w+)">\s?(.+)/m)
55 if content.match(/<code\s+class="(\w+)">\s?(.+)/m)
56 content = "<code class=\"#{$1} CodeRay\">" +
56 content = "<code class=\"#{$1} CodeRay\">" +
57 CodeRay.scan($2, $1.downcase).html(:escape => false, :line_numbers => :inline)
57 CodeRay.scan($2, $1.downcase).html(:line_numbers => :inline)
58 end
58 end
59 content
59 content
60 end
60 end
61 end
61 end
62 end
62 end
63
63
64 # Patch to add 'table of content' support to RedCloth
64 # Patch to add 'table of content' support to RedCloth
65 def textile_p_withtoc(tag, atts, cite, content)
65 def textile_p_withtoc(tag, atts, cite, content)
66 # removes wiki links from the item
66 # removes wiki links from the item
67 toc_item = content.gsub(/(\[\[([^\]\|]*)(\|([^\]]*))?\]\])/) { $4 || $2 }
67 toc_item = content.gsub(/(\[\[([^\]\|]*)(\|([^\]]*))?\]\])/) { $4 || $2 }
68 # removes styles
68 # removes styles
69 # eg. %{color:red}Triggers% => Triggers
69 # eg. %{color:red}Triggers% => Triggers
70 toc_item.gsub! %r[%\{[^\}]*\}([^%]+)%], '\\1'
70 toc_item.gsub! %r[%\{[^\}]*\}([^%]+)%], '\\1'
71
71
72 # replaces non word caracters by dashes
72 # replaces non word caracters by dashes
73 anchor = toc_item.gsub(%r{[^\w\s\-]}, '').gsub(%r{\s+(\-+\s*)?}, '-')
73 anchor = toc_item.gsub(%r{[^\w\s\-]}, '').gsub(%r{\s+(\-+\s*)?}, '-')
74
74
75 unless anchor.blank?
75 unless anchor.blank?
76 if tag =~ /^h(\d)$/
76 if tag =~ /^h(\d)$/
77 @toc << [$1.to_i, anchor, toc_item]
77 @toc << [$1.to_i, anchor, toc_item]
78 end
78 end
79 atts << " id=\"#{anchor}\""
79 atts << " id=\"#{anchor}\""
80 content = content + "<a href=\"##{anchor}\" class=\"wiki-anchor\">&para;</a>"
80 content = content + "<a href=\"##{anchor}\" class=\"wiki-anchor\">&para;</a>"
81 end
81 end
82 textile_p(tag, atts, cite, content)
82 textile_p(tag, atts, cite, content)
83 end
83 end
84
84
85 alias :textile_h1 :textile_p_withtoc
85 alias :textile_h1 :textile_p_withtoc
86 alias :textile_h2 :textile_p_withtoc
86 alias :textile_h2 :textile_p_withtoc
87 alias :textile_h3 :textile_p_withtoc
87 alias :textile_h3 :textile_p_withtoc
88
88
89 def inline_toc(text)
89 def inline_toc(text)
90 text.gsub!(/<p>\{\{([<>]?)toc\}\}<\/p>/i) do
90 text.gsub!(/<p>\{\{([<>]?)toc\}\}<\/p>/i) do
91 div_class = 'toc'
91 div_class = 'toc'
92 div_class << ' right' if $1 == '>'
92 div_class << ' right' if $1 == '>'
93 div_class << ' left' if $1 == '<'
93 div_class << ' left' if $1 == '<'
94 out = "<ul class=\"#{div_class}\">"
94 out = "<ul class=\"#{div_class}\">"
95 @toc.each do |heading|
95 @toc.each do |heading|
96 level, anchor, toc_item = heading
96 level, anchor, toc_item = heading
97 out << "<li class=\"heading#{level}\"><a href=\"##{anchor}\">#{toc_item}</a></li>\n"
97 out << "<li class=\"heading#{level}\"><a href=\"##{anchor}\">#{toc_item}</a></li>\n"
98 end
98 end
99 out << '</ul>'
99 out << '</ul>'
100 out
100 out
101 end
101 end
102 end
102 end
103
103
104 AUTO_LINK_RE = %r{
104 AUTO_LINK_RE = %r{
105 ( # leading text
105 ( # leading text
106 <\w+.*?>| # leading HTML tag, or
106 <\w+.*?>| # leading HTML tag, or
107 [^=<>!:'"/]| # leading punctuation, or
107 [^=<>!:'"/]| # leading punctuation, or
108 ^ # beginning of line
108 ^ # beginning of line
109 )
109 )
110 (
110 (
111 (?:https?://)| # protocol spec, or
111 (?:https?://)| # protocol spec, or
112 (?:s?ftps?://)|
112 (?:s?ftps?://)|
113 (?:www\.) # www.*
113 (?:www\.) # www.*
114 )
114 )
115 (
115 (
116 (\S+?) # url
116 (\S+?) # url
117 (\/)? # slash
117 (\/)? # slash
118 )
118 )
119 ([^\w\=\/;\(\)]*?) # post
119 ([^\w\=\/;\(\)]*?) # post
120 (?=<|\s|$)
120 (?=<|\s|$)
121 }x unless const_defined?(:AUTO_LINK_RE)
121 }x unless const_defined?(:AUTO_LINK_RE)
122
122
123 # Turns all urls into clickable links (code from Rails).
123 # Turns all urls into clickable links (code from Rails).
124 def inline_auto_link(text)
124 def inline_auto_link(text)
125 text.gsub!(AUTO_LINK_RE) do
125 text.gsub!(AUTO_LINK_RE) do
126 all, leading, proto, url, post = $&, $1, $2, $3, $6
126 all, leading, proto, url, post = $&, $1, $2, $3, $6
127 if leading =~ /<a\s/i || leading =~ /![<>=]?/
127 if leading =~ /<a\s/i || leading =~ /![<>=]?/
128 # don't replace URL's that are already linked
128 # don't replace URL's that are already linked
129 # and URL's prefixed with ! !> !< != (textile images)
129 # and URL's prefixed with ! !> !< != (textile images)
130 all
130 all
131 else
131 else
132 # Idea below : an URL with unbalanced parethesis and
132 # Idea below : an URL with unbalanced parethesis and
133 # ending by ')' is put into external parenthesis
133 # ending by ')' is put into external parenthesis
134 if ( url[-1]==?) and ((url.count("(") - url.count(")")) < 0 ) )
134 if ( url[-1]==?) and ((url.count("(") - url.count(")")) < 0 ) )
135 url=url[0..-2] # discard closing parenth from url
135 url=url[0..-2] # discard closing parenth from url
136 post = ")"+post # add closing parenth to post
136 post = ")"+post # add closing parenth to post
137 end
137 end
138 %(#{leading}<a class="external" href="#{proto=="www."?"http://www.":proto}#{url}">#{proto + url}</a>#{post})
138 %(#{leading}<a class="external" href="#{proto=="www."?"http://www.":proto}#{url}">#{proto + url}</a>#{post})
139 end
139 end
140 end
140 end
141 end
141 end
142
142
143 # Turns all email addresses into clickable links (code from Rails).
143 # Turns all email addresses into clickable links (code from Rails).
144 def inline_auto_mailto(text)
144 def inline_auto_mailto(text)
145 text.gsub!(/([\w\.!#\$%\-+.]+@[A-Za-z0-9\-]+(\.[A-Za-z0-9\-]+)+)/) do
145 text.gsub!(/([\w\.!#\$%\-+.]+@[A-Za-z0-9\-]+(\.[A-Za-z0-9\-]+)+)/) do
146 mail = $1
146 mail = $1
147 if text.match(/<a\b[^>]*>(.*)(#{Regexp.escape(mail)})(.*)<\/a>/)
147 if text.match(/<a\b[^>]*>(.*)(#{Regexp.escape(mail)})(.*)<\/a>/)
148 mail
148 mail
149 else
149 else
150 %{<a href="mailto:#{mail}" class="email">#{mail}</a>}
150 %{<a href="mailto:#{mail}" class="email">#{mail}</a>}
151 end
151 end
152 end
152 end
153 end
153 end
154 end
154 end
155 end
155 end
156 end
156 end
157 end
157 end
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