├── .gitignore
├── test
    └── stemmers
    │   └── test
    │       ├── porter.clj
    │       ├── soundex.clj
    │       └── core.clj
├── project.clj
├── README.md
├── src
    └── stemmers
    │   ├── soundex.clj
    │   ├── core.clj
    │   └── porter.clj
└── docs
    └── uberdoc.html


/.gitignore:
--------------------------------------------------------------------------------
1 | pom.xml
2 | *jar
3 | lib
4 | classes
5 | 


--------------------------------------------------------------------------------
/test/stemmers/test/porter.clj:
--------------------------------------------------------------------------------
 1 | (ns stemmers.test.porter
 2 |   (:use
 3 |      clojure.test
 4 |      stemmers.porter
 5 |      stemmers.test.porter-test-cases))
 6 | 
 7 | (deftest stems
 8 |   (doseq [[input output] test-cases]
 9 |     (is (= (stem input) output) (str "for " input))))
10 | 


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/project.clj:
--------------------------------------------------------------------------------
1 | (defproject stemmers "0.2.3"
2 |   :description "A collection of stemmers for use in search engines and the like."
3 |   :url "http://github.com/mattdw/stemmers"
4 |   :license {:name "Eclipse Public License"
5 |             :url "http://www.eclipse.org/legal/epl-v10.html"}
6 |   :dependencies [[org.clojure/clojure "1.11.1"]]
7 |   :dev-dependencies [[marginalia "0.3.2"]
8 |                      [swank-clojure "1.3.0-SNAPSHOT"]])
9 | 


--------------------------------------------------------------------------------
/test/stemmers/test/soundex.clj:
--------------------------------------------------------------------------------
 1 | (ns stemmers.test.soundex
 2 |   (:use clojure.test
 3 |         stemmers.soundex))
 4 | 
 5 | (deftest rupert-robert-rubin
 6 |   (is (= (stem "robert") "R163"))
 7 |   (is (= (stem "rupert") "R163"))
 8 |   (is (= (stem "rubin") "R150")))
 9 | 
10 | (deftest ashcraft-ashcroft
11 |   (is (= (stem "ashcraft") (stem "ashcroft") "A261")))
12 | 
13 | (deftest jumanji-fruittrees
14 |   (is (= (stem "jumanji") "J552"))
15 |   (is (= (stem "fruittress") "F636")))
16 | 


--------------------------------------------------------------------------------
/test/stemmers/test/core.clj:
--------------------------------------------------------------------------------
 1 | (ns stemmers.test.core
 2 |   (:use [stemmers.core] :reload)
 3 |   (:use [clojure.test]))
 4 | 
 5 | (deftest basic-tokenise
 6 |   (is (= (tokenise "nothing ever happens")
 7 |          ["nothing" "ever" "happens"])))
 8 | 
 9 | (deftest default-stem
10 |   (is (= (stems "the hungry dog hungrily jumped over the angry moon with a hunger, jumping with anger.")
11 |          ["hungri" "dog" "hungrili" "jump" "over" "angri" "moon" "with" "hunger" "jump" "with" "anger"])))
12 | 


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/README.md:
--------------------------------------------------------------------------------
 1 | # stemmers
 2 | 
 3 | A collection of stemmers in Clojure, ready to plug into your own code.
 4 | 
 5 | <http://clojars.org/stemmers>
 6 | 
 7 | ## Usage
 8 | 
 9 | All stemmers export a `stem` top-level function, which takes a single
10 | word and returns its stem. Additionally, `stemmers.core` provides
11 | basic plumbing with the `stems` function:
12 | 
13 |     (require '(stemmers core soundex porter))
14 |     ;; defaults to porter stemmer
15 |     (stemmers.core/stems "a phrase for stemming")
16 |     => ("phrase" "for" "stem")
17 |     ;; other stemmers are easily used
18 |     (stemmers.core/stems "a phrase for stemming" stemmers.soundex/stem)
19 |     => ("P620" "F600" "S355")
20 | 
21 | ## License
22 | 
23 | Copyright (C) 2010 Matt Wilson
24 | 
25 | Distributed under the Eclipse Public License, the same as Clojure.
26 | 


--------------------------------------------------------------------------------
/src/stemmers/soundex.clj:
--------------------------------------------------------------------------------
 1 | ;; An implementation of the American Soundex algorithm, as described
 2 | ;; at <http://en.wikipedia.org/wiki/Soundex>
 3 | 
 4 | (ns stemmers.soundex
 5 |   (:require [clojure.string :as str]))
 6 | 
 7 | ;; Consonant codings. `h`, `w` and the vowels are special cases, as we'll see later.
 8 | (def char-map
 9 |   {\b 1, \f 1, \p 1, \v 1
10 |    \c 2, \g 2, \j 2, \k 2, \q 2, \s 2, \x 2, \z 2
11 |    \d 3, \t 3
12 |    \l 4
13 |    \m 5, \n 5
14 |    \r 6})
15 | 
16 | (defn stem
17 |   "Return the soundex code for a single word."
18 |   [word]
19 |   (let [index (first word)]
20 |     (loop [w (rest word)
21 |            code-seq []
22 |            collapse-next? false]
23 |       (if (or (empty? w)
24 |               (>= (count code-seq) 3))
25 |         (.toUpperCase (apply str index
26 |                              (take 3 (concat code-seq (repeat 0)))))
27 |         (cond
28 |          ;; if we have a `w` or `h`, we ignore it and allow collapsing
29 |          (#{\w \h} (first w))          (recur (rest w) code-seq true)
30 |          
31 |          ;; if it's a vowel, we ignore it, but don't collapse any
32 |          ;; following duplicate
33 |          (#{\a \e \i \o \u} (first w)) (recur (rest w) code-seq false)
34 |          
35 |          ;; otherwise, we conj the next code on, respecting `collapse-next?`
36 |          :else (let [next-code (char-map (first w))]
37 |                  (if (and collapse-next? (= next-code (last code-seq)))
38 |                    (recur (rest w) code-seq true)
39 |                    (recur (rest w) (conj code-seq next-code) true))))))))
40 | 


--------------------------------------------------------------------------------
/src/stemmers/core.clj:
--------------------------------------------------------------------------------
 1 | ;; ## Stemmers
 2 | 
 3 | ;; A top-level interface to the stemmers, handling tokenising of
 4 | ;; sentences and phrases, as well as removing extra-short and -long
 5 | ;; words, and excluding common noisy words (see `*excluded-words*`).
 6 | 
 7 | (ns stemmers.core
 8 |   (:require [clojure.string :as str]
 9 |             [stemmers.porter]))
10 | 
11 | ;; For later (internal) use.
12 | (def default-stemmer ^{:private true} stemmers.porter/stem)
13 | 
14 | ;; Set of specific words to exclude from stemming.
15 | (def ^:dynamic *excluded-words*
16 |   #{"the" "and" "was" "are" "not" "you" "were" "that" "this" "did"
17 |     "etc" "there" "they" "our" "their"})
18 | 
19 | ;; Ignore words shorter than this.
20 | (def ^:dynamic *min-word-length* 3)
21 | 
22 | ;; Ignore words longer than this.
23 | (def ^:dynamic *max-word-length* 30)
24 | 
25 | (defn excluded-word?
26 |   "`true` if `word` matches our exclusion criteria."
27 |   [word]
28 |   (or (not (<= *min-word-length* (count word) *max-word-length*))
29 |       (*excluded-words* word)))
30 | 
31 | (defn remove-excluded-words
32 |   "Remove short and blacklisted words (see `*excluded-words*`)."
33 |   [word-seq]
34 |   (filter (complement excluded-word?)
35 |           word-seq))
36 | 
37 | (defn expand-hyphenated-words
38 |   "Expand any hyphenated words in seq into `[hyphenated-word hyphenated word]`."
39 |   [word-seq]
40 |   (mapcat (fn [^String w]
41 |             (if (.contains w "-") (conj (seq (.split w "-")) w) [w]))
42 |           word-seq))
43 | 
44 | ;; ## Top-level interface
45 | 
46 | (defn tokenise
47 |   "Tokenise a phrase, respecting exclusion criteria. e.g.:
48 | 
49 |        => (tokenise \"searching a set of words\")
50 |        (\"searching\" \"set\" \"words\")"
51 |   [^String txt]
52 |   (-> (str/replace txt #"[^-\d\w]+" " ")
53 |       (.toLowerCase)
54 |       (str/split #"\s+")
55 |       expand-hyphenated-words
56 |       remove-excluded-words))
57 | 
58 | (defn stems
59 |   "Stem all words in a phrase or sentence, with reference to `*max-` and `*min-word-length*` and `*excluded-words*`."
60 |   ([phrase] (stems phrase default-stemmer))
61 |   ([phrase stemmer-func]
62 |      (map stemmer-func (tokenise phrase))))
63 | 


--------------------------------------------------------------------------------
/src/stemmers/porter.clj:
--------------------------------------------------------------------------------
  1 | ;; An implementation of the Porter Stemmer algorithm, detailed at
  2 | ;; <http://tartarus.org/~martin/PorterStemmer/>
  3 | 
  4 | (ns stemmers.porter
  5 |   (:require [clojure.string :as str]))
  6 | 
  7 | (def stem
  8 |   ^String
  9 |   (let [c "[^aeiou]"
 10 |         v "[aeiouy]"
 11 |         cs (str c "[^aeiouy]*")
 12 |         vs (str v "[aeiou]*")
 13 |         mgr0 (re-pattern (str "^(" cs ")?" vs cs))
 14 |         meq1 (re-pattern (str "^(" cs ")?" vs cs "(" vs ")?$"))
 15 |         mgr1 (re-pattern (str "^(" cs ")?" vs cs vs cs))
 16 |         s_v  (re-pattern (str "^(" cs ")?" vs))
 17 | 
 18 |         step1a-re1 #"^(.+?)(ss|i)es$"
 19 |         step1a-re2 #"^(.+?)([^s])s$"
 20 |         
 21 |         step1a (fn [w]
 22 |                  (cond
 23 |                   (re-find step1a-re1 w) (str/replace w step1a-re1 "$1$2")
 24 |                   (re-find step1a-re2 w) (str/replace w step1a-re2 "$1$2")
 25 |                   :else w))
 26 | 
 27 |         step1b-re1 #"^(.+?)eed$"
 28 |         step1b-re2 #"^(.+?)(ed|ing)$"
 29 |         step1b-stem1 #"(at|bl|iz)$"
 30 |         step1b-stem2 #"([^aeiouylsz])\1$"
 31 |         step1b-stem3 (re-pattern (str "^" cs v "[^aeiouwxy]$"))
 32 |         
 33 |         step1b (fn [w]
 34 |                  (let [groups1 (re-find step1b-re1 w)
 35 |                        groups2 (re-find step1b-re2 w)]
 36 |                    (cond
 37 |                     groups1 (if (re-find mgr0 (groups1 1))
 38 |                               (apply str (butlast w))
 39 |                               w)
 40 |                     groups2 (let [stem (groups2 1)]
 41 |                               (if (re-find s_v stem)
 42 |                                 (cond
 43 |                                  (re-find step1b-stem1 stem) (str stem "e")
 44 |                                  (re-find step1b-stem2 stem) (apply str (butlast stem))
 45 |                                  (re-find step1b-stem3 stem) (str stem "e")
 46 |                                  :else stem)
 47 |                                 w))
 48 |                     :else w)))
 49 | 
 50 |         step1c-re1 #"^(.+?)y$"
 51 |         
 52 |         step1c (fn [w]
 53 |                  (if-let [[_ stem & _] (re-find step1c-re1 w)]
 54 |                    (if (re-find s_v stem) (str stem "i") w)
 55 |                    w))
 56 | 
 57 |         apply-suffix-map (fn [suffix-map ^String w]
 58 |                            (if-let [[stem suffix]
 59 |                                     (first (for [key (keys suffix-map)
 60 |                                                  :when (.endsWith w key)]
 61 |                                              [(.substring w 0 (- (count w) (count key))) key]))]
 62 |                              (if (re-find mgr0 stem)
 63 |                                (str stem (suffix-map suffix))
 64 |                                w)
 65 |                              w))
 66 | 
 67 |         step2-map {"ational" "ate"
 68 |                    "tional"  "tion"
 69 |                    "enci"    "ence"
 70 |                    "anci"    "ance"
 71 |                    "izer"    "ize"
 72 |                    "bli"     "ble"
 73 |                    "alli"    "al"
 74 |                    "entli"   "ent"
 75 |                    "eli"     "e"
 76 |                    "ousli"   "ous"
 77 |                    "ization" "ize"
 78 |                    "ation"   "ate"
 79 |                    "ator"    "ate"
 80 |                    "alism"   "al"
 81 |                    "iveness" "ive"
 82 |                    "fulness" "ful"
 83 |                    "ousness" "ous"
 84 |                    "aliti"   "al"
 85 |                    "iviti"   "ive"
 86 |                    "biliti"  "ble"
 87 |                    "logi"    "log"}
 88 |         
 89 |         step2 (partial apply-suffix-map step2-map)
 90 | 
 91 |         step3-map {"icate" "ic"
 92 |                    "ative" ""
 93 |                    "alize" "al"
 94 |                    "iciti" "ic"
 95 |                    "ical"  "ic"
 96 |                    "ful"   ""
 97 |                    "ness"  ""}
 98 |         
 99 |         step3 (partial apply-suffix-map step3-map)
100 | 
101 |         step4-suffixes1 ["al" "ance" "ence" "er" "ic" "able" "ible" "ant" "ement"
102 |                          "ment" "ent" "ou" "ism" "ate" "iti" "ous" "ive" "ize"]
103 |         step4-re1 #"^(.+?)(s|t)(ion)$"
104 |         
105 |         step4 (fn [^String w]
106 |                 (if-let [stem (first (for [suffix step4-suffixes1
107 |                                            :when (.endsWith w suffix)]
108 |                                        (.substring w 0 (- (count w) (count suffix)))))]
109 |                   (if (re-find mgr1 stem) stem w)
110 |                   (if-let [groups (re-find step4-re1 w)]
111 |                     (let [stem (str (groups 1) (groups 2))]
112 |                       (if (re-find mgr1 stem) stem w))
113 |                     w)))
114 | 
115 |         step5-re1 #"^(.+?)e$"
116 |         step5-re2 (re-pattern (str "^" cs v "[^aeiouwxy]$"))
117 |         
118 |         step5 (fn [w]
119 |                 (if-let [[_ stem & _] (re-find step5-re1 w)]
120 |                   (if (or (re-find mgr1 stem)
121 |                           (and (re-find meq1 stem) (not (re-find step5-re2 stem))))
122 |                     stem
123 |                     w)
124 |                   w))
125 | 
126 |         step6-re #"ll$"
127 |         
128 |         step6 (fn [w]
129 |                 (if (and (re-find step6-re w) (re-find mgr1 w))
130 |                   (apply str (butlast w))
131 |                   w))
132 | 
133 |         step-y1 (fn [^String w]
134 |                   (let [firstch (.substring w 0 1)
135 |                         firstch-y? (= firstch "y")]
136 |                     [firstch-y? (if firstch-y?
137 |                                   (str "Y" (.substring w 1))
138 |                                   w)]))
139 |         step-y2 (fn [firstch-y? ^String w]
140 |                   (if firstch-y?
141 |                     (str (.toLowerCase ^String (.substring w 0 1))
142 |                          (.substring w 1))
143 |                     w))]
144 | 
145 |     (fn [word]
146 |       (if (< (count word) 3)
147 |         word
148 |         (let [[starts-with-y? w] (step-y1 word)]
149 |           (->> w
150 |                step1a step1b step1c step2 step3 step4 step5 step6
151 |                (step-y2 starts-with-y?)))))))
152 | 


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/docs/uberdoc.html:
--------------------------------------------------------------------------------
   1 | <!DOCTYPE html>
   2 | <html><head><meta charset="utf-8" content="text/html" http-equiv="Content-Type" /><meta content="A collection of stemmers for use in search engines and the like." name="description" /><script type="text/javascript">/*!
   3 |  * jQuery JavaScript Library v1.4.4
   4 |  * http://jquery.com/
   5 |  *
   6 |  * Copyright 2010, John Resig
   7 |  * Dual licensed under the MIT or GPL Version 2 licenses.
   8 |  * http://jquery.org/license
   9 |  *
  10 |  * Includes Sizzle.js
  11 |  * http://sizzlejs.com/
  12 |  * Copyright 2010, The Dojo Foundation
  13 |  * Released under the MIT, BSD, and GPL Licenses.
  14 |  *
  15 |  * Date: Thu Nov 11 19:04:53 2010 -0500
  16 |  */
  17 | (function(E,B){function ka(a,b,d){if(d===B&&a.nodeType===1){d=a.getAttribute("data-"+b);if(typeof d==="string"){try{d=d==="true"?true:d==="false"?false:d==="null"?null:!c.isNaN(d)?parseFloat(d):Ja.test(d)?c.parseJSON(d):d}catch(e){}c.data(a,b,d)}else d=B}return d}function U(){return false}function ca(){return true}function la(a,b,d){d[0].type=a;return c.event.handle.apply(b,d)}function Ka(a){var b,d,e,f,h,l,k,o,x,r,A,C=[];f=[];h=c.data(this,this.nodeType?"events":"__events__");if(typeof h==="function")h=
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  23 | a+">").appendTo("body"),d=b.css("display");b.remove();if(d==="none"||d==="")d="block";ea[a]=d}return ea[a]}function fa(a){return c.isWindow(a)?a:a.nodeType===9?a.defaultView||a.parentWindow:false}var t=E.document,c=function(){function a(){if(!b.isReady){try{t.documentElement.doScroll("left")}catch(j){setTimeout(a,1);return}b.ready()}}var b=function(j,s){return new b.fn.init(j,s)},d=E.jQuery,e=E.$,f,h=/^(?:[^<]*(<[\w\W]+>)[^>]*$|#([\w\-]+)$)/,l=/\S/,k=/^\s+/,o=/\s+$/,x=/\W/,r=/\d/,A=/^<(\w+)\s*\/?>(?:<\/\1>)?$/,
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 171 | </script><script type="text/javascript">/**
 172 |  * SyntaxHighlighter
 173 |  * http://alexgorbatchev.com/SyntaxHighlighter
 174 |  *
 175 |  * SyntaxHighlighter is donationware. If you are using it, please donate.
 176 |  * http://alexgorbatchev.com/SyntaxHighlighter/donate.html
 177 |  *
 178 |  * @version
 179 |  * 3.0.83 (July 02 2010)
 180 |  * 
 181 |  * @copyright
 182 |  * Copyright (C) 2004-2010 Alex Gorbatchev.
 183 |  *
 184 |  * @license
 185 |  * Dual licensed under the MIT and GPL licenses.
 186 |  */
 187 | //
 188 | // Begin anonymous function. This is used to contain local scope variables without polutting global scope.
 189 | //
 190 | var SyntaxHighlighter = function() { 
 191 | 
 192 | // CommonJS
 193 | if (typeof(require) != 'undefined' && typeof(XRegExp) == 'undefined')
 194 | {
 195 | 	XRegExp = require('XRegExp').XRegExp;
 196 | }
 197 | 
 198 | // Shortcut object which will be assigned to the SyntaxHighlighter variable.
 199 | // This is a shorthand for local reference in order to avoid long namespace 
 200 | // references to SyntaxHighlighter.whatever...
 201 | var sh = {
 202 | 	defaults : {
 203 | 		/** Additional CSS class names to be added to highlighter elements. */
 204 | 		'class-name' : '',
 205 | 		
 206 | 		/** First line number. */
 207 | 		'first-line' : 1,
 208 | 		
 209 | 		/**
 210 | 		 * Pads line numbers. Possible values are:
 211 | 		 *
 212 | 		 *   false - don't pad line numbers.
 213 | 		 *   true  - automaticaly pad numbers with minimum required number of leading zeroes.
 214 | 		 *   [int] - length up to which pad line numbers.
 215 | 		 */
 216 | 		'pad-line-numbers' : false,
 217 | 		
 218 | 		/** Lines to highlight. */
 219 | 		'highlight' : null,
 220 | 		
 221 | 		/** Title to be displayed above the code block. */
 222 | 		'title' : null,
 223 | 		
 224 | 		/** Enables or disables smart tabs. */
 225 | 		'smart-tabs' : true,
 226 | 		
 227 | 		/** Gets or sets tab size. */
 228 | 		'tab-size' : 4,
 229 | 		
 230 | 		/** Enables or disables gutter. */
 231 | 		'gutter' : true,
 232 | 		
 233 | 		/** Enables or disables toolbar. */
 234 | 		'toolbar' : true,
 235 | 		
 236 | 		/** Enables quick code copy and paste from double click. */
 237 | 		'quick-code' : true,
 238 | 		
 239 | 		/** Forces code view to be collapsed. */
 240 | 		'collapse' : false,
 241 | 		
 242 | 		/** Enables or disables automatic links. */
 243 | 		'auto-links' : true,
 244 | 		
 245 | 		/** Gets or sets light mode. Equavalent to turning off gutter and toolbar. */
 246 | 		'light' : false,
 247 | 		
 248 | 		'html-script' : false
 249 | 	},
 250 | 	
 251 | 	config : {
 252 | 		space : '&nbsp;',
 253 | 		
 254 | 		/** Enables use of <SCRIPT type="syntaxhighlighter" /> tags. */
 255 | 		useScriptTags : true,
 256 | 		
 257 | 		/** Blogger mode flag. */
 258 | 		bloggerMode : false,
 259 | 		
 260 | 		stripBrs : false,
 261 | 		
 262 | 		/** Name of the tag that SyntaxHighlighter will automatically look for. */
 263 | 		tagName : 'pre',
 264 | 		
 265 | 		strings : {
 266 | 			expandSource : 'expand source',
 267 | 			help : '?',
 268 | 			alert: 'SyntaxHighlighter\n\n',
 269 | 			noBrush : 'Can\'t find brush for: ',
 270 | 			brushNotHtmlScript : 'Brush wasn\'t configured for html-script option: ',
 271 | 			
 272 | 			// this is populated by the build script
 273 | 			aboutDialog : '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>About SyntaxHighlighter</title></head><body style="font-family:Geneva,Arial,Helvetica,sans-serif;background-color:#fff;color:#000;font-size:1em;text-align:center;"><div style="text-align:center;margin-top:1.5em;"><div style="font-size:xx-large;">SyntaxHighlighter</div><div style="font-size:.75em;margin-bottom:3em;"><div>version 3.0.83 (July 02 2010)</div><div><a href="http://alexgorbatchev.com/SyntaxHighlighter" target="_blank" style="color:#005896">http://alexgorbatchev.com/SyntaxHighlighter</a></div><div>JavaScript code syntax highlighter.</div><div>Copyright 2004-2010 Alex Gorbatchev.</div></div><div>If you like this script, please <a href="https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=2930402" style="color:#005896">donate</a> to <br/>keep development active!</div></div></body></html>'
 274 | 		}
 275 | 	},
 276 | 	
 277 | 	/** Internal 'global' variables. */
 278 | 	vars : {
 279 | 		discoveredBrushes : null,
 280 | 		highlighters : {}
 281 | 	},
 282 | 	
 283 | 	/** This object is populated by user included external brush files. */
 284 | 	brushes : {},
 285 | 
 286 | 	/** Common regular expressions. */
 287 | 	regexLib : {
 288 | 		multiLineCComments			: /\/\*[\s\S]*?\*\//gm,
 289 | 		singleLineCComments			: /\/\/.*$/gm,
 290 | 		singleLinePerlComments		: /#.*$/gm,
 291 | 		doubleQuotedString			: /"([^\\"\n]|\\.)*"/g,
 292 | 		singleQuotedString			: /'([^\\'\n]|\\.)*'/g,
 293 | 		multiLineDoubleQuotedString	: new XRegExp('"([^\\\\"]|\\\\.)*"', 'gs'),
 294 | 		multiLineSingleQuotedString	: new XRegExp("'([^\\\\']|\\\\.)*'", 'gs'),
 295 | 		xmlComments					: /(&lt;|<)!--[\s\S]*?--(&gt;|>)/gm,
 296 | 		url							: /\w+:\/\/[\w-.\/?%&=:@;]*/g,
 297 | 		
 298 | 		/** <?= ?> tags. */
 299 | 		phpScriptTags 				: { left: /(&lt;|<)\?=?/g, right: /\?(&gt;|>)/g },
 300 | 		
 301 | 		/** <%= %> tags. */
 302 | 		aspScriptTags				: { left: /(&lt;|<)%=?/g, right: /%(&gt;|>)/g },
 303 | 		
 304 | 		scriptScriptTags			: { left: /(&lt;|<)\s*script.*?(&gt;|>)/gi, right: /(&lt;|<)\/\s*script\s*(&gt;|>)/gi }
 305 | 	},
 306 | 
 307 | 	toolbar: {
 308 | 		/**
 309 | 		 * Generates HTML markup for the toolbar.
 310 | 		 * @param {Highlighter} highlighter Highlighter instance.
 311 | 		 * @return {String} Returns HTML markup.
 312 | 		 */
 313 | 		getHtml: function(highlighter)
 314 | 		{
 315 | 			var html = '<div class="toolbar">',
 316 | 				items = sh.toolbar.items,
 317 | 				list = items.list
 318 | 				;
 319 | 			
 320 | 			function defaultGetHtml(highlighter, name)
 321 | 			{
 322 | 				return sh.toolbar.getButtonHtml(highlighter, name, sh.config.strings[name]);
 323 | 			};
 324 | 			
 325 | 			for (var i = 0; i < list.length; i++)
 326 | 				html += (items[list[i]].getHtml || defaultGetHtml)(highlighter, list[i]);
 327 | 			
 328 | 			html += '</div>';
 329 | 			
 330 | 			return html;
 331 | 		},
 332 | 		
 333 | 		/**
 334 | 		 * Generates HTML markup for a regular button in the toolbar.
 335 | 		 * @param {Highlighter} highlighter Highlighter instance.
 336 | 		 * @param {String} commandName		Command name that would be executed.
 337 | 		 * @param {String} label			Label text to display.
 338 | 		 * @return {String}					Returns HTML markup.
 339 | 		 */
 340 | 		getButtonHtml: function(highlighter, commandName, label)
 341 | 		{
 342 | 			return '<span><a href="#" class="toolbar_item'
 343 | 				+ ' command_' + commandName
 344 | 				+ ' ' + commandName
 345 | 				+ '">' + label + '</a></span>'
 346 | 				;
 347 | 		},
 348 | 		
 349 | 		/**
 350 | 		 * Event handler for a toolbar anchor.
 351 | 		 */
 352 | 		handler: function(e)
 353 | 		{
 354 | 			var target = e.target,
 355 | 				className = target.className || ''
 356 | 				;
 357 | 
 358 | 			function getValue(name)
 359 | 			{
 360 | 				var r = new RegExp(name + '_(\\w+)'),
 361 | 					match = r.exec(className)
 362 | 					;
 363 | 
 364 | 				return match ? match[1] : null;
 365 | 			};
 366 | 			
 367 | 			var highlighter = getHighlighterById(findParentElement(target, '.syntaxhighlighter').id),
 368 | 				commandName = getValue('command')
 369 | 				;
 370 | 			
 371 | 			// execute the toolbar command
 372 | 			if (highlighter && commandName)
 373 | 				sh.toolbar.items[commandName].execute(highlighter);
 374 | 
 375 | 			// disable default A click behaviour
 376 | 			e.preventDefault();
 377 | 		},
 378 | 		
 379 | 		/** Collection of toolbar items. */
 380 | 		items : {
 381 | 			// Ordered lis of items in the toolbar. Can't expect `for (var n in items)` to be consistent.
 382 | 			list: ['expandSource', 'help'],
 383 | 
 384 | 			expandSource: {
 385 | 				getHtml: function(highlighter)
 386 | 				{
 387 | 					if (highlighter.getParam('collapse') != true)
 388 | 						return '';
 389 | 						
 390 | 					var title = highlighter.getParam('title');
 391 | 					return sh.toolbar.getButtonHtml(highlighter, 'expandSource', title ? title : sh.config.strings.expandSource);
 392 | 				},
 393 | 			
 394 | 				execute: function(highlighter)
 395 | 				{
 396 | 					var div = getHighlighterDivById(highlighter.id);
 397 | 					removeClass(div, 'collapsed');
 398 | 				}
 399 | 			},
 400 | 
 401 | 			/** Command to display the about dialog window. */
 402 | 			help: {
 403 | 				execute: function(highlighter)
 404 | 				{	
 405 | 					var wnd = popup('', '_blank', 500, 250, 'scrollbars=0'),
 406 | 						doc = wnd.document
 407 | 						;
 408 | 					
 409 | 					doc.write(sh.config.strings.aboutDialog);
 410 | 					doc.close();
 411 | 					wnd.focus();
 412 | 				}
 413 | 			}
 414 | 		}
 415 | 	},
 416 | 
 417 | 	/**
 418 | 	 * Finds all elements on the page which should be processes by SyntaxHighlighter.
 419 | 	 *
 420 | 	 * @param {Object} globalParams		Optional parameters which override element's 
 421 | 	 * 									parameters. Only used if element is specified.
 422 | 	 * 
 423 | 	 * @param {Object} element	Optional element to highlight. If none is
 424 | 	 * 							provided, all elements in the current document 
 425 | 	 * 							are returned which qualify.
 426 | 	 *
 427 | 	 * @return {Array}	Returns list of <code>{ target: DOMElement, params: Object }</code> objects.
 428 | 	 */
 429 | 	findElements: function(globalParams, element)
 430 | 	{
 431 | 		var elements = element ? [element] : toArray(document.getElementsByTagName(sh.config.tagName)), 
 432 | 			conf = sh.config,
 433 | 			result = []
 434 | 			;
 435 | 
 436 | 		// support for <SCRIPT TYPE="syntaxhighlighter" /> feature
 437 | 		if (conf.useScriptTags)
 438 | 			elements = elements.concat(getSyntaxHighlighterScriptTags());
 439 | 
 440 | 		if (elements.length === 0) 
 441 | 			return result;
 442 | 	
 443 | 		for (var i = 0; i < elements.length; i++) 
 444 | 		{
 445 | 			var item = {
 446 | 				target: elements[i], 
 447 | 				// local params take precedence over globals
 448 | 				params: merge(globalParams, parseParams(elements[i].className))
 449 | 			};
 450 | 
 451 | 			if (item.params['brush'] == null)
 452 | 				continue;
 453 | 				
 454 | 			result.push(item);
 455 | 		}
 456 | 		
 457 | 		return result;
 458 | 	},
 459 | 
 460 | 	/**
 461 | 	 * Shorthand to highlight all elements on the page that are marked as 
 462 | 	 * SyntaxHighlighter source code.
 463 | 	 * 
 464 | 	 * @param {Object} globalParams		Optional parameters which override element's 
 465 | 	 * 									parameters. Only used if element is specified.
 466 | 	 * 
 467 | 	 * @param {Object} element	Optional element to highlight. If none is
 468 | 	 * 							provided, all elements in the current document 
 469 | 	 * 							are highlighted.
 470 | 	 */ 
 471 | 	highlight: function(globalParams, element)
 472 | 	{
 473 | 		var elements = this.findElements(globalParams, element),
 474 | 			propertyName = 'innerHTML', 
 475 | 			highlighter = null,
 476 | 			conf = sh.config
 477 | 			;
 478 | 
 479 | 		if (elements.length === 0) 
 480 | 			return;
 481 | 	
 482 | 		for (var i = 0; i < elements.length; i++) 
 483 | 		{
 484 | 			var element = elements[i],
 485 | 				target = element.target,
 486 | 				params = element.params,
 487 | 				brushName = params.brush,
 488 | 				code
 489 | 				;
 490 | 
 491 | 			if (brushName == null)
 492 | 				continue;
 493 | 
 494 | 			// Instantiate a brush
 495 | 			if (params['html-script'] == 'true' || sh.defaults['html-script'] == true) 
 496 | 			{
 497 | 				highlighter = new sh.HtmlScript(brushName);
 498 | 				brushName = 'htmlscript';
 499 | 			}
 500 | 			else
 501 | 			{
 502 | 				var brush = findBrush(brushName);
 503 | 				
 504 | 				if (brush)
 505 | 					highlighter = new brush();
 506 | 				else
 507 | 					continue;
 508 | 			}
 509 | 			
 510 | 			code = target[propertyName];
 511 | 			
 512 | 			// remove CDATA from <SCRIPT/> tags if it's present
 513 | 			if (conf.useScriptTags)
 514 | 				code = stripCData(code);
 515 | 				
 516 | 			// Inject title if the attribute is present
 517 | 			if ((target.title || '') != '')
 518 | 				params.title = target.title;
 519 | 				
 520 | 			params['brush'] = brushName;
 521 | 			highlighter.init(params);
 522 | 			element = highlighter.getDiv(code);
 523 | 			
 524 | 			// carry over ID
 525 | 			if ((target.id || '') != '')
 526 | 				element.id = target.id;
 527 | 			
 528 | 			target.parentNode.replaceChild(element, target);
 529 | 		}
 530 | 	},
 531 | 
 532 | 	/**
 533 | 	 * Main entry point for the SyntaxHighlighter.
 534 | 	 * @param {Object} params Optional params to apply to all highlighted elements.
 535 | 	 */
 536 | 	all: function(params)
 537 | 	{
 538 | 		attachEvent(
 539 | 			window,
 540 | 			'load',
 541 | 			function() { sh.highlight(params); }
 542 | 		);
 543 | 	}
 544 | }; // end of sh
 545 | 
 546 | sh['all']			= sh.all;
 547 | sh['highlight']		= sh.highlight;
 548 | 
 549 | /**
 550 |  * Checks if target DOM elements has specified CSS class.
 551 |  * @param {DOMElement} target Target DOM element to check.
 552 |  * @param {String} className Name of the CSS class to check for.
 553 |  * @return {Boolean} Returns true if class name is present, false otherwise.
 554 |  */
 555 | function hasClass(target, className)
 556 | {
 557 | 	return target.className.indexOf(className) != -1;
 558 | };
 559 | 
 560 | /**
 561 |  * Adds CSS class name to the target DOM element.
 562 |  * @param {DOMElement} target Target DOM element.
 563 |  * @param {String} className New CSS class to add.
 564 |  */
 565 | function addClass(target, className)
 566 | {
 567 | 	if (!hasClass(target, className))
 568 | 		target.className += ' ' + className;
 569 | };
 570 | 
 571 | /**
 572 |  * Removes CSS class name from the target DOM element.
 573 |  * @param {DOMElement} target Target DOM element.
 574 |  * @param {String} className CSS class to remove.
 575 |  */
 576 | function removeClass(target, className)
 577 | {
 578 | 	target.className = target.className.replace(className, '');
 579 | };
 580 | 
 581 | /**
 582 |  * Converts the source to array object. Mostly used for function arguments and 
 583 |  * lists returned by getElementsByTagName() which aren't Array objects.
 584 |  * @param {List} source Source list.
 585 |  * @return {Array} Returns array.
 586 |  */
 587 | function toArray(source)
 588 | {
 589 | 	var result = [];
 590 | 	
 591 | 	for (var i = 0; i < source.length; i++) 
 592 | 		result.push(source[i]);
 593 | 		
 594 | 	return result;
 595 | };
 596 | 
 597 | /**
 598 |  * Splits block of text into lines.
 599 |  * @param {String} block Block of text.
 600 |  * @return {Array} Returns array of lines.
 601 |  */
 602 | function splitLines(block)
 603 | {
 604 | 	return block.split('\n');
 605 | }
 606 | 
 607 | /**
 608 |  * Generates HTML ID for the highlighter.
 609 |  * @param {String} highlighterId Highlighter ID.
 610 |  * @return {String} Returns HTML ID.
 611 |  */
 612 | function getHighlighterId(id)
 613 | {
 614 | 	var prefix = 'highlighter_';
 615 | 	return id.indexOf(prefix) == 0 ? id : prefix + id;
 616 | };
 617 | 
 618 | /**
 619 |  * Finds Highlighter instance by ID.
 620 |  * @param {String} highlighterId Highlighter ID.
 621 |  * @return {Highlighter} Returns instance of the highlighter.
 622 |  */
 623 | function getHighlighterById(id)
 624 | {
 625 | 	return sh.vars.highlighters[getHighlighterId(id)];
 626 | };
 627 | 
 628 | /**
 629 |  * Finds highlighter's DIV container.
 630 |  * @param {String} highlighterId Highlighter ID.
 631 |  * @return {Element} Returns highlighter's DIV element.
 632 |  */
 633 | function getHighlighterDivById(id)
 634 | {
 635 | 	return document.getElementById(getHighlighterId(id));
 636 | };
 637 | 
 638 | /**
 639 |  * Stores highlighter so that getHighlighterById() can do its thing. Each
 640 |  * highlighter must call this method to preserve itself.
 641 |  * @param {Highilghter} highlighter Highlighter instance.
 642 |  */
 643 | function storeHighlighter(highlighter)
 644 | {
 645 | 	sh.vars.highlighters[getHighlighterId(highlighter.id)] = highlighter;
 646 | };
 647 | 
 648 | /**
 649 |  * Looks for a child or parent node which has specified classname.
 650 |  * Equivalent to jQuery's $(container).find(".className")
 651 |  * @param {Element} target Target element.
 652 |  * @param {String} search Class name or node name to look for.
 653 |  * @param {Boolean} reverse If set to true, will go up the node tree instead of down.
 654 |  * @return {Element} Returns found child or parent element on null.
 655 |  */
 656 | function findElement(target, search, reverse /* optional */)
 657 | {
 658 | 	if (target == null)
 659 | 		return null;
 660 | 		
 661 | 	var nodes			= reverse != true ? target.childNodes : [ target.parentNode ],
 662 | 		propertyToFind	= { '#' : 'id', '.' : 'className' }[search.substr(0, 1)] || 'nodeName',
 663 | 		expectedValue,
 664 | 		found
 665 | 		;
 666 | 
 667 | 	expectedValue = propertyToFind != 'nodeName'
 668 | 		? search.substr(1)
 669 | 		: search.toUpperCase()
 670 | 		;
 671 | 		
 672 | 	// main return of the found node
 673 | 	if ((target[propertyToFind] || '').indexOf(expectedValue) != -1)
 674 | 		return target;
 675 | 	
 676 | 	for (var i = 0; nodes && i < nodes.length && found == null; i++)
 677 | 		found = findElement(nodes[i], search, reverse);
 678 | 	
 679 | 	return found;
 680 | };
 681 | 
 682 | /**
 683 |  * Looks for a parent node which has specified classname.
 684 |  * This is an alias to <code>findElement(container, className, true)</code>.
 685 |  * @param {Element} target Target element.
 686 |  * @param {String} className Class name to look for.
 687 |  * @return {Element} Returns found parent element on null.
 688 |  */
 689 | function findParentElement(target, className)
 690 | {
 691 | 	return findElement(target, className, true);
 692 | };
 693 | 
 694 | /**
 695 |  * Finds an index of element in the array.
 696 |  * @ignore
 697 |  * @param {Object} searchElement
 698 |  * @param {Number} fromIndex
 699 |  * @return {Number} Returns index of element if found; -1 otherwise.
 700 |  */
 701 | function indexOf(array, searchElement, fromIndex)
 702 | {
 703 | 	fromIndex = Math.max(fromIndex || 0, 0);
 704 | 
 705 | 	for (var i = fromIndex; i < array.length; i++)
 706 | 		if(array[i] == searchElement)
 707 | 			return i;
 708 | 	
 709 | 	return -1;
 710 | };
 711 | 
 712 | /**
 713 |  * Generates a unique element ID.
 714 |  */
 715 | function guid(prefix)
 716 | {
 717 | 	return (prefix || '') + Math.round(Math.random() * 1000000).toString();
 718 | };
 719 | 
 720 | /**
 721 |  * Merges two objects. Values from obj2 override values in obj1.
 722 |  * Function is NOT recursive and works only for one dimensional objects.
 723 |  * @param {Object} obj1 First object.
 724 |  * @param {Object} obj2 Second object.
 725 |  * @return {Object} Returns combination of both objects.
 726 |  */
 727 | function merge(obj1, obj2)
 728 | {
 729 | 	var result = {}, name;
 730 | 
 731 | 	for (name in obj1) 
 732 | 		result[name] = obj1[name];
 733 | 	
 734 | 	for (name in obj2) 
 735 | 		result[name] = obj2[name];
 736 | 		
 737 | 	return result;
 738 | };
 739 | 
 740 | /**
 741 |  * Attempts to convert string to boolean.
 742 |  * @param {String} value Input string.
 743 |  * @return {Boolean} Returns true if input was "true", false if input was "false" and value otherwise.
 744 |  */
 745 | function toBoolean(value)
 746 | {
 747 | 	var result = { "true" : true, "false" : false }[value];
 748 | 	return result == null ? value : result;
 749 | };
 750 | 
 751 | /**
 752 |  * Opens up a centered popup window.
 753 |  * @param {String} url		URL to open in the window.
 754 |  * @param {String} name		Popup name.
 755 |  * @param {int} width		Popup width.
 756 |  * @param {int} height		Popup height.
 757 |  * @param {String} options	window.open() options.
 758 |  * @return {Window}			Returns window instance.
 759 |  */
 760 | function popup(url, name, width, height, options)
 761 | {
 762 | 	var x = (screen.width - width) / 2,
 763 | 		y = (screen.height - height) / 2
 764 | 		;
 765 | 		
 766 | 	options +=	', left=' + x + 
 767 | 				', top=' + y +
 768 | 				', width=' + width +
 769 | 				', height=' + height
 770 | 		;
 771 | 	options = options.replace(/^,/, '');
 772 | 
 773 | 	var win = window.open(url, name, options);
 774 | 	win.focus();
 775 | 	return win;
 776 | };
 777 | 
 778 | /**
 779 |  * Adds event handler to the target object.
 780 |  * @param {Object} obj		Target object.
 781 |  * @param {String} type		Name of the event.
 782 |  * @param {Function} func	Handling function.
 783 |  */
 784 | function attachEvent(obj, type, func, scope)
 785 | {
 786 | 	function handler(e)
 787 | 	{
 788 | 		e = e || window.event;
 789 | 		
 790 | 		if (!e.target)
 791 | 		{
 792 | 			e.target = e.srcElement;
 793 | 			e.preventDefault = function()
 794 | 			{
 795 | 				this.returnValue = false;
 796 | 			};
 797 | 		}
 798 | 			
 799 | 		func.call(scope || window, e);
 800 | 	};
 801 | 	
 802 | 	if (obj.attachEvent) 
 803 | 	{
 804 | 		obj.attachEvent('on' + type, handler);
 805 | 	}
 806 | 	else 
 807 | 	{
 808 | 		obj.addEventListener(type, handler, false);
 809 | 	}
 810 | };
 811 | 
 812 | /**
 813 |  * Displays an alert.
 814 |  * @param {String} str String to display.
 815 |  */
 816 | function alert(str)
 817 | {
 818 | 	window.alert(sh.config.strings.alert + str);
 819 | };
 820 | 
 821 | /**
 822 |  * Finds a brush by its alias.
 823 |  *
 824 |  * @param {String} alias		Brush alias.
 825 |  * @param {Boolean} showAlert	Suppresses the alert if false.
 826 |  * @return {Brush}				Returns bursh constructor if found, null otherwise.
 827 |  */
 828 | function findBrush(alias, showAlert)
 829 | {
 830 | 	var brushes = sh.vars.discoveredBrushes,
 831 | 		result = null
 832 | 		;
 833 | 	
 834 | 	if (brushes == null) 
 835 | 	{
 836 | 		brushes = {};
 837 | 		
 838 | 		// Find all brushes
 839 | 		for (var brush in sh.brushes) 
 840 | 		{
 841 | 			var info = sh.brushes[brush],
 842 | 				aliases = info.aliases
 843 | 				;
 844 | 			
 845 | 			if (aliases == null) 
 846 | 				continue;
 847 | 			
 848 | 			// keep the brush name
 849 | 			info.brushName = brush.toLowerCase();
 850 | 			
 851 | 			for (var i = 0; i < aliases.length; i++) 
 852 | 				brushes[aliases[i]] = brush;
 853 | 		}
 854 | 		
 855 | 		sh.vars.discoveredBrushes = brushes;
 856 | 	}
 857 | 	
 858 | 	result = sh.brushes[brushes[alias]];
 859 | 
 860 | 	if (result == null && showAlert != false)
 861 | 		alert(sh.config.strings.noBrush + alias);
 862 | 	
 863 | 	return result;
 864 | };
 865 | 
 866 | /**
 867 |  * Executes a callback on each line and replaces each line with result from the callback.
 868 |  * @param {Object} str			Input string.
 869 |  * @param {Object} callback		Callback function taking one string argument and returning a string.
 870 |  */
 871 | function eachLine(str, callback)
 872 | {
 873 | 	var lines = splitLines(str);
 874 | 	
 875 | 	for (var i = 0; i < lines.length; i++)
 876 | 		lines[i] = callback(lines[i], i);
 877 | 		
 878 | 	return lines.join('\n');
 879 | };
 880 | 
 881 | /**
 882 |  * This is a special trim which only removes first and last empty lines
 883 |  * and doesn't affect valid leading space on the first line.
 884 |  * 
 885 |  * @param {String} str   Input string
 886 |  * @return {String}      Returns string without empty first and last lines.
 887 |  */
 888 | function trimFirstAndLastLines(str)
 889 | {
 890 | 	return str.replace(/^[ ]*[\n]+|[\n]*[ ]*$/g, '');
 891 | };
 892 | 
 893 | /**
 894 |  * Parses key/value pairs into hash object.
 895 |  * 
 896 |  * Understands the following formats:
 897 |  * - name: word;
 898 |  * - name: [word, word];
 899 |  * - name: "string";
 900 |  * - name: 'string';
 901 |  * 
 902 |  * For example:
 903 |  *   name1: value; name2: [value, value]; name3: 'value'
 904 |  *   
 905 |  * @param {String} str    Input string.
 906 |  * @return {Object}       Returns deserialized object.
 907 |  */
 908 | function parseParams(str)
 909 | {
 910 | 	var match, 
 911 | 		result = {},
 912 | 		arrayRegex = new XRegExp("^\\[(?<values>(.*?))\\]$"),
 913 | 		regex = new XRegExp(
 914 | 			"(?<name>[\\w-]+)" +
 915 | 			"\\s*:\\s*" +
 916 | 			"(?<value>" +
 917 | 				"[\\w-%#]+|" +		// word
 918 | 				"\\[.*?\\]|" +		// [] array
 919 | 				'".*?"|' +			// "" string
 920 | 				"'.*?'" +			// '' string
 921 | 			")\\s*;?",
 922 | 			"g"
 923 | 		)
 924 | 		;
 925 | 
 926 | 	while ((match = regex.exec(str)) != null) 
 927 | 	{
 928 | 		var value = match.value
 929 | 			.replace(/^['"]|['"]$/g, '') // strip quotes from end of strings
 930 | 			;
 931 | 		
 932 | 		// try to parse array value
 933 | 		if (value != null && arrayRegex.test(value))
 934 | 		{
 935 | 			var m = arrayRegex.exec(value);
 936 | 			value = m.values.length > 0 ? m.values.split(/\s*,\s*/) : [];
 937 | 		}
 938 | 		
 939 | 		result[match.name] = value;
 940 | 	}
 941 | 	
 942 | 	return result;
 943 | };
 944 | 
 945 | /**
 946 |  * Wraps each line of the string into <code/> tag with given style applied to it.
 947 |  * 
 948 |  * @param {String} str   Input string.
 949 |  * @param {String} css   Style name to apply to the string.
 950 |  * @return {String}      Returns input string with each line surrounded by <span/> tag.
 951 |  */
 952 | function wrapLinesWithCode(str, css)
 953 | {
 954 | 	if (str == null || str.length == 0 || str == '\n') 
 955 | 		return str;
 956 | 
 957 | 	str = str.replace(/</g, '&lt;');
 958 | 
 959 | 	// Replace two or more sequential spaces with &nbsp; leaving last space untouched.
 960 | 	str = str.replace(/ {2,}/g, function(m)
 961 | 	{
 962 | 		var spaces = '';
 963 | 		
 964 | 		for (var i = 0; i < m.length - 1; i++)
 965 | 			spaces += sh.config.space;
 966 | 		
 967 | 		return spaces + ' ';
 968 | 	});
 969 | 
 970 | 	// Split each line and apply <span class="...">...</span> to them so that
 971 | 	// leading spaces aren't included.
 972 | 	if (css != null) 
 973 | 		str = eachLine(str, function(line)
 974 | 		{
 975 | 			if (line.length == 0) 
 976 | 				return '';
 977 | 			
 978 | 			var spaces = '';
 979 | 			
 980 | 			line = line.replace(/^(&nbsp;| )+/, function(s)
 981 | 			{
 982 | 				spaces = s;
 983 | 				return '';
 984 | 			});
 985 | 			
 986 | 			if (line.length == 0) 
 987 | 				return spaces;
 988 | 			
 989 | 			return spaces + '<code class="' + css + '">' + line + '</code>';
 990 | 		});
 991 | 
 992 | 	return str;
 993 | };
 994 | 
 995 | /**
 996 |  * Pads number with zeros until it's length is the same as given length.
 997 |  * 
 998 |  * @param {Number} number	Number to pad.
 999 |  * @param {Number} length	Max string length with.
1000 |  * @return {String}			Returns a string padded with proper amount of '0'.
1001 |  */
1002 | function padNumber(number, length)
1003 | {
1004 | 	var result = number.toString();
1005 | 	
1006 | 	while (result.length < length)
1007 | 		result = '0' + result;
1008 | 	
1009 | 	return result;
1010 | };
1011 | 
1012 | /**
1013 |  * Replaces tabs with spaces.
1014 |  * 
1015 |  * @param {String} code		Source code.
1016 |  * @param {Number} tabSize	Size of the tab.
1017 |  * @return {String}			Returns code with all tabs replaces by spaces.
1018 |  */
1019 | function processTabs(code, tabSize)
1020 | {
1021 | 	var tab = '';
1022 | 	
1023 | 	for (var i = 0; i < tabSize; i++)
1024 | 		tab += ' ';
1025 | 
1026 | 	return code.replace(/\t/g, tab);
1027 | };
1028 | 
1029 | /**
1030 |  * Replaces tabs with smart spaces.
1031 |  * 
1032 |  * @param {String} code    Code to fix the tabs in.
1033 |  * @param {Number} tabSize Number of spaces in a column.
1034 |  * @return {String}        Returns code with all tabs replaces with roper amount of spaces.
1035 |  */
1036 | function processSmartTabs(code, tabSize)
1037 | {
1038 | 	var lines = splitLines(code),
1039 | 		tab = '\t',
1040 | 		spaces = ''
1041 | 		;
1042 | 	
1043 | 	// Create a string with 1000 spaces to copy spaces from... 
1044 | 	// It's assumed that there would be no indentation longer than that.
1045 | 	for (var i = 0; i < 50; i++) 
1046 | 		spaces += '                    '; // 20 spaces * 50
1047 | 			
1048 | 	// This function inserts specified amount of spaces in the string
1049 | 	// where a tab is while removing that given tab.
1050 | 	function insertSpaces(line, pos, count)
1051 | 	{
1052 | 		return line.substr(0, pos)
1053 | 			+ spaces.substr(0, count)
1054 | 			+ line.substr(pos + 1, line.length) // pos + 1 will get rid of the tab
1055 | 			;
1056 | 	};
1057 | 
1058 | 	// Go through all the lines and do the 'smart tabs' magic.
1059 | 	code = eachLine(code, function(line)
1060 | 	{
1061 | 		if (line.indexOf(tab) == -1) 
1062 | 			return line;
1063 | 		
1064 | 		var pos = 0;
1065 | 		
1066 | 		while ((pos = line.indexOf(tab)) != -1) 
1067 | 		{
1068 | 			// This is pretty much all there is to the 'smart tabs' logic.
1069 | 			// Based on the position within the line and size of a tab,
1070 | 			// calculate the amount of spaces we need to insert.
1071 | 			var spaces = tabSize - pos % tabSize;
1072 | 			line = insertSpaces(line, pos, spaces);
1073 | 		}
1074 | 		
1075 | 		return line;
1076 | 	});
1077 | 	
1078 | 	return code;
1079 | };
1080 | 
1081 | /**
1082 |  * Performs various string fixes based on configuration.
1083 |  */
1084 | function fixInputString(str)
1085 | {
1086 | 	var br = /<br\s*\/?>|&lt;br\s*\/?&gt;/gi;
1087 | 	
1088 | 	if (sh.config.bloggerMode == true)
1089 | 		str = str.replace(br, '\n');
1090 | 
1091 | 	if (sh.config.stripBrs == true)
1092 | 		str = str.replace(br, '');
1093 | 		
1094 | 	return str;
1095 | };
1096 | 
1097 | /**
1098 |  * Removes all white space at the begining and end of a string.
1099 |  * 
1100 |  * @param {String} str   String to trim.
1101 |  * @return {String}      Returns string without leading and following white space characters.
1102 |  */
1103 | function trim(str)
1104 | {
1105 | 	return str.replace(/^\s+|\s+$/g, '');
1106 | };
1107 | 
1108 | /**
1109 |  * Unindents a block of text by the lowest common indent amount.
1110 |  * @param {String} str   Text to unindent.
1111 |  * @return {String}      Returns unindented text block.
1112 |  */
1113 | function unindent(str)
1114 | {
1115 | 	var lines = splitLines(fixInputString(str)),
1116 | 		indents = new Array(),
1117 | 		regex = /^\s*/,
1118 | 		min = 1000
1119 | 		;
1120 | 	
1121 | 	// go through every line and check for common number of indents
1122 | 	for (var i = 0; i < lines.length && min > 0; i++) 
1123 | 	{
1124 | 		var line = lines[i];
1125 | 		
1126 | 		if (trim(line).length == 0) 
1127 | 			continue;
1128 | 		
1129 | 		var matches = regex.exec(line);
1130 | 		
1131 | 		// In the event that just one line doesn't have leading white space
1132 | 		// we can't unindent anything, so bail completely.
1133 | 		if (matches == null) 
1134 | 			return str;
1135 | 			
1136 | 		min = Math.min(matches[0].length, min);
1137 | 	}
1138 | 	
1139 | 	// trim minimum common number of white space from the begining of every line
1140 | 	if (min > 0) 
1141 | 		for (var i = 0; i < lines.length; i++) 
1142 | 			lines[i] = lines[i].substr(min);
1143 | 	
1144 | 	return lines.join('\n');
1145 | };
1146 | 
1147 | /**
1148 |  * Callback method for Array.sort() which sorts matches by
1149 |  * index position and then by length.
1150 |  * 
1151 |  * @param {Match} m1	Left object.
1152 |  * @param {Match} m2    Right object.
1153 |  * @return {Number}     Returns -1, 0 or -1 as a comparison result.
1154 |  */
1155 | function matchesSortCallback(m1, m2)
1156 | {
1157 | 	// sort matches by index first
1158 | 	if(m1.index < m2.index)
1159 | 		return -1;
1160 | 	else if(m1.index > m2.index)
1161 | 		return 1;
1162 | 	else
1163 | 	{
1164 | 		// if index is the same, sort by length
1165 | 		if(m1.length < m2.length)
1166 | 			return -1;
1167 | 		else if(m1.length > m2.length)
1168 | 			return 1;
1169 | 	}
1170 | 	
1171 | 	return 0;
1172 | };
1173 | 
1174 | /**
1175 |  * Executes given regular expression on provided code and returns all
1176 |  * matches that are found.
1177 |  * 
1178 |  * @param {String} code    Code to execute regular expression on.
1179 |  * @param {Object} regex   Regular expression item info from <code>regexList</code> collection.
1180 |  * @return {Array}         Returns a list of Match objects.
1181 |  */ 
1182 | function getMatches(code, regexInfo)
1183 | {
1184 | 	function defaultAdd(match, regexInfo)
1185 | 	{
1186 | 		return match[0];
1187 | 	};
1188 | 	
1189 | 	var index = 0,
1190 | 		match = null,
1191 | 		matches = [],
1192 | 		func = regexInfo.func ? regexInfo.func : defaultAdd
1193 | 		;
1194 | 	
1195 | 	while((match = regexInfo.regex.exec(code)) != null)
1196 | 	{
1197 | 		var resultMatch = func(match, regexInfo);
1198 | 		
1199 | 		if (typeof(resultMatch) == 'string')
1200 | 			resultMatch = [new sh.Match(resultMatch, match.index, regexInfo.css)];
1201 | 
1202 | 		matches = matches.concat(resultMatch);
1203 | 	}
1204 | 	
1205 | 	return matches;
1206 | };
1207 | 
1208 | /**
1209 |  * Turns all URLs in the code into <a/> tags.
1210 |  * @param {String} code Input code.
1211 |  * @return {String} Returns code with </a> tags.
1212 |  */
1213 | function processUrls(code)
1214 | {
1215 | 	var gt = /(.*)((&gt;|&lt;).*)/;
1216 | 	
1217 | 	return code.replace(sh.regexLib.url, function(m)
1218 | 	{
1219 | 		var suffix = '',
1220 | 			match = null
1221 | 			;
1222 | 		
1223 | 		// We include &lt; and &gt; in the URL for the common cases like <http://google.com>
1224 | 		// The problem is that they get transformed into &lt;http://google.com&gt;
1225 | 		// Where as &gt; easily looks like part of the URL string.
1226 | 	
1227 | 		if (match = gt.exec(m))
1228 | 		{
1229 | 			m = match[1];
1230 | 			suffix = match[2];
1231 | 		}
1232 | 		
1233 | 		return '<a href="' + m + '">' + m + '</a>' + suffix;
1234 | 	});
1235 | };
1236 | 
1237 | /**
1238 |  * Finds all <SCRIPT TYPE="syntaxhighlighter" /> elementss.
1239 |  * @return {Array} Returns array of all found SyntaxHighlighter tags.
1240 |  */
1241 | function getSyntaxHighlighterScriptTags()
1242 | {
1243 | 	var tags = document.getElementsByTagName('script'),
1244 | 		result = []
1245 | 		;
1246 | 	
1247 | 	for (var i = 0; i < tags.length; i++)
1248 | 		if (tags[i].type == 'syntaxhighlighter')
1249 | 			result.push(tags[i]);
1250 | 			
1251 | 	return result;
1252 | };
1253 | 
1254 | /**
1255 |  * Strips <![CDATA[]]> from <SCRIPT /> content because it should be used
1256 |  * there in most cases for XHTML compliance.
1257 |  * @param {String} original	Input code.
1258 |  * @return {String} Returns code without leading <![CDATA[]]> tags.
1259 |  */
1260 | function stripCData(original)
1261 | {
1262 | 	var left = '<![CDATA[',
1263 | 		right = ']]>',
1264 | 		// for some reason IE inserts some leading blanks here
1265 | 		copy = trim(original),
1266 | 		changed = false,
1267 | 		leftLength = left.length,
1268 | 		rightLength = right.length
1269 | 		;
1270 | 	
1271 | 	if (copy.indexOf(left) == 0)
1272 | 	{
1273 | 		copy = copy.substring(leftLength);
1274 | 		changed = true;
1275 | 	}
1276 | 	
1277 | 	var copyLength = copy.length;
1278 | 	
1279 | 	if (copy.indexOf(right) == copyLength - rightLength)
1280 | 	{
1281 | 		copy = copy.substring(0, copyLength - rightLength);
1282 | 		changed = true;
1283 | 	}
1284 | 	
1285 | 	return changed ? copy : original;
1286 | };
1287 | 
1288 | 
1289 | /**
1290 |  * Quick code mouse double click handler.
1291 |  */
1292 | function quickCodeHandler(e)
1293 | {
1294 | 	var target = e.target,
1295 | 		highlighterDiv = findParentElement(target, '.syntaxhighlighter'),
1296 | 		container = findParentElement(target, '.container'),
1297 | 		textarea = document.createElement('textarea'),
1298 | 		highlighter
1299 | 		;
1300 | 
1301 | 	if (!container || !highlighterDiv || findElement(container, 'textarea'))
1302 | 		return;
1303 | 
1304 | 	highlighter = getHighlighterById(highlighterDiv.id);
1305 | 	
1306 | 	// add source class name
1307 | 	addClass(highlighterDiv, 'source');
1308 | 
1309 | 	// Have to go over each line and grab it's text, can't just do it on the
1310 | 	// container because Firefox loses all \n where as Webkit doesn't.
1311 | 	var lines = container.childNodes,
1312 | 		code = []
1313 | 		;
1314 | 	
1315 | 	for (var i = 0; i < lines.length; i++)
1316 | 		code.push(lines[i].innerText || lines[i].textContent);
1317 | 	
1318 | 	// using \r instead of \r or \r\n makes this work equally well on IE, FF and Webkit
1319 | 	code = code.join('\r');
1320 | 	
1321 | 	// inject <textarea/> tag
1322 | 	textarea.appendChild(document.createTextNode(code));
1323 | 	container.appendChild(textarea);
1324 | 	
1325 | 	// preselect all text
1326 | 	textarea.focus();
1327 | 	textarea.select();
1328 | 	
1329 | 	// set up handler for lost focus
1330 | 	attachEvent(textarea, 'blur', function(e)
1331 | 	{
1332 | 		textarea.parentNode.removeChild(textarea);
1333 | 		removeClass(highlighterDiv, 'source');
1334 | 	});
1335 | };
1336 | 
1337 | /**
1338 |  * Match object.
1339 |  */
1340 | sh.Match = function(value, index, css)
1341 | {
1342 | 	this.value = value;
1343 | 	this.index = index;
1344 | 	this.length = value.length;
1345 | 	this.css = css;
1346 | 	this.brushName = null;
1347 | };
1348 | 
1349 | sh.Match.prototype.toString = function()
1350 | {
1351 | 	return this.value;
1352 | };
1353 | 
1354 | /**
1355 |  * Simulates HTML code with a scripting language embedded.
1356 |  * 
1357 |  * @param {String} scriptBrushName Brush name of the scripting language.
1358 |  */
1359 | sh.HtmlScript = function(scriptBrushName)
1360 | {
1361 | 	var brushClass = findBrush(scriptBrushName),
1362 | 		scriptBrush,
1363 | 		xmlBrush = new sh.brushes.Xml(),
1364 | 		bracketsRegex = null,
1365 | 		ref = this,
1366 | 		methodsToExpose = 'getDiv getHtml init'.split(' ')
1367 | 		;
1368 | 
1369 | 	if (brushClass == null)
1370 | 		return;
1371 | 	
1372 | 	scriptBrush = new brushClass();
1373 | 	
1374 | 	for(var i = 0; i < methodsToExpose.length; i++)
1375 | 		// make a closure so we don't lose the name after i changes
1376 | 		(function() {
1377 | 			var name = methodsToExpose[i];
1378 | 			
1379 | 			ref[name] = function()
1380 | 			{
1381 | 				return xmlBrush[name].apply(xmlBrush, arguments);
1382 | 			};
1383 | 		})();
1384 | 	
1385 | 	if (scriptBrush.htmlScript == null)
1386 | 	{
1387 | 		alert(sh.config.strings.brushNotHtmlScript + scriptBrushName);
1388 | 		return;
1389 | 	}
1390 | 	
1391 | 	xmlBrush.regexList.push(
1392 | 		{ regex: scriptBrush.htmlScript.code, func: process }
1393 | 	);
1394 | 	
1395 | 	function offsetMatches(matches, offset)
1396 | 	{
1397 | 		for (var j = 0; j < matches.length; j++) 
1398 | 			matches[j].index += offset;
1399 | 	}
1400 | 	
1401 | 	function process(match, info)
1402 | 	{
1403 | 		var code = match.code,
1404 | 			matches = [],
1405 | 			regexList = scriptBrush.regexList,
1406 | 			offset = match.index + match.left.length,
1407 | 			htmlScript = scriptBrush.htmlScript,
1408 | 			result
1409 | 			;
1410 | 
1411 | 		// add all matches from the code
1412 | 		for (var i = 0; i < regexList.length; i++)
1413 | 		{
1414 | 			result = getMatches(code, regexList[i]);
1415 | 			offsetMatches(result, offset);
1416 | 			matches = matches.concat(result);
1417 | 		}
1418 | 		
1419 | 		// add left script bracket
1420 | 		if (htmlScript.left != null && match.left != null)
1421 | 		{
1422 | 			result = getMatches(match.left, htmlScript.left);
1423 | 			offsetMatches(result, match.index);
1424 | 			matches = matches.concat(result);
1425 | 		}
1426 | 		
1427 | 		// add right script bracket
1428 | 		if (htmlScript.right != null && match.right != null)
1429 | 		{
1430 | 			result = getMatches(match.right, htmlScript.right);
1431 | 			offsetMatches(result, match.index + match[0].lastIndexOf(match.right));
1432 | 			matches = matches.concat(result);
1433 | 		}
1434 | 		
1435 | 		for (var j = 0; j < matches.length; j++)
1436 | 			matches[j].brushName = brushClass.brushName;
1437 | 			
1438 | 		return matches;
1439 | 	}
1440 | };
1441 | 
1442 | /**
1443 |  * Main Highlither class.
1444 |  * @constructor
1445 |  */
1446 | sh.Highlighter = function()
1447 | {
1448 | 	// not putting any code in here because of the prototype inheritance
1449 | };
1450 | 
1451 | sh.Highlighter.prototype = {
1452 | 	/**
1453 | 	 * Returns value of the parameter passed to the highlighter.
1454 | 	 * @param {String} name				Name of the parameter.
1455 | 	 * @param {Object} defaultValue		Default value.
1456 | 	 * @return {Object}					Returns found value or default value otherwise.
1457 | 	 */
1458 | 	getParam: function(name, defaultValue)
1459 | 	{
1460 | 		var result = this.params[name];
1461 | 		return toBoolean(result == null ? defaultValue : result);
1462 | 	},
1463 | 	
1464 | 	/**
1465 | 	 * Shortcut to document.createElement().
1466 | 	 * @param {String} name		Name of the element to create (DIV, A, etc).
1467 | 	 * @return {HTMLElement}	Returns new HTML element.
1468 | 	 */
1469 | 	create: function(name)
1470 | 	{
1471 | 		return document.createElement(name);
1472 | 	},
1473 | 	
1474 | 	/**
1475 | 	 * Applies all regular expression to the code and stores all found
1476 | 	 * matches in the `this.matches` array.
1477 | 	 * @param {Array} regexList		List of regular expressions.
1478 | 	 * @param {String} code			Source code.
1479 | 	 * @return {Array}				Returns list of matches.
1480 | 	 */
1481 | 	findMatches: function(regexList, code)
1482 | 	{
1483 | 		var result = [];
1484 | 		
1485 | 		if (regexList != null)
1486 | 			for (var i = 0; i < regexList.length; i++) 
1487 | 				// BUG: length returns len+1 for array if methods added to prototype chain (oising@gmail.com)
1488 | 				if (typeof (regexList[i]) == "object")
1489 | 					result = result.concat(getMatches(code, regexList[i]));
1490 | 		
1491 | 		// sort and remove nested the matches
1492 | 		return this.removeNestedMatches(result.sort(matchesSortCallback));
1493 | 	},
1494 | 	
1495 | 	/**
1496 | 	 * Checks to see if any of the matches are inside of other matches. 
1497 | 	 * This process would get rid of highligted strings inside comments, 
1498 | 	 * keywords inside strings and so on.
1499 | 	 */
1500 | 	removeNestedMatches: function(matches)
1501 | 	{
1502 | 		// Optimized by Jose Prado (http://joseprado.com)
1503 | 		for (var i = 0; i < matches.length; i++) 
1504 | 		{ 
1505 | 			if (matches[i] === null)
1506 | 				continue;
1507 | 			
1508 | 			var itemI = matches[i],
1509 | 				itemIEndPos = itemI.index + itemI.length
1510 | 				;
1511 | 			
1512 | 			for (var j = i + 1; j < matches.length && matches[i] !== null; j++) 
1513 | 			{
1514 | 				var itemJ = matches[j];
1515 | 				
1516 | 				if (itemJ === null) 
1517 | 					continue;
1518 | 				else if (itemJ.index > itemIEndPos) 
1519 | 					break;
1520 | 				else if (itemJ.index == itemI.index && itemJ.length > itemI.length)
1521 | 					matches[i] = null;
1522 | 				else if (itemJ.index >= itemI.index && itemJ.index < itemIEndPos) 
1523 | 					matches[j] = null;
1524 | 			}
1525 | 		}
1526 | 		
1527 | 		return matches;
1528 | 	},
1529 | 	
1530 | 	/**
1531 | 	 * Creates an array containing integer line numbers starting from the 'first-line' param.
1532 | 	 * @return {Array} Returns array of integers.
1533 | 	 */
1534 | 	figureOutLineNumbers: function(code)
1535 | 	{
1536 | 		var lines = [],
1537 | 			firstLine = parseInt(this.getParam('first-line'))
1538 | 			;
1539 | 		
1540 | 		eachLine(code, function(line, index)
1541 | 		{
1542 | 			lines.push(index + firstLine);
1543 | 		});
1544 | 		
1545 | 		return lines;
1546 | 	},
1547 | 	
1548 | 	/**
1549 | 	 * Determines if specified line number is in the highlighted list.
1550 | 	 */
1551 | 	isLineHighlighted: function(lineNumber)
1552 | 	{
1553 | 		var list = this.getParam('highlight', []);
1554 | 		
1555 | 		if (typeof(list) != 'object' && list.push == null) 
1556 | 			list = [ list ];
1557 | 		
1558 | 		return indexOf(list, lineNumber.toString()) != -1;
1559 | 	},
1560 | 	
1561 | 	/**
1562 | 	 * Generates HTML markup for a single line of code while determining alternating line style.
1563 | 	 * @param {Integer} lineNumber	Line number.
1564 | 	 * @param {String} code Line	HTML markup.
1565 | 	 * @return {String}				Returns HTML markup.
1566 | 	 */
1567 | 	getLineHtml: function(lineIndex, lineNumber, code)
1568 | 	{
1569 | 		var classes = [
1570 | 			'line',
1571 | 			'number' + lineNumber,
1572 | 			'index' + lineIndex,
1573 | 			'alt' + (lineNumber % 2 == 0 ? 1 : 2).toString()
1574 | 		];
1575 | 		
1576 | 		if (this.isLineHighlighted(lineNumber))
1577 | 		 	classes.push('highlighted');
1578 | 		
1579 | 		if (lineNumber == 0)
1580 | 			classes.push('break');
1581 | 			
1582 | 		return '<div class="' + classes.join(' ') + '">' + code + '</div>';
1583 | 	},
1584 | 	
1585 | 	/**
1586 | 	 * Generates HTML markup for line number column.
1587 | 	 * @param {String} code			Complete code HTML markup.
1588 | 	 * @param {Array} lineNumbers	Calculated line numbers.
1589 | 	 * @return {String}				Returns HTML markup.
1590 | 	 */
1591 | 	getLineNumbersHtml: function(code, lineNumbers)
1592 | 	{
1593 | 		var html = '',
1594 | 			count = splitLines(code).length,
1595 | 			firstLine = parseInt(this.getParam('first-line')),
1596 | 			pad = this.getParam('pad-line-numbers')
1597 | 			;
1598 | 		
1599 | 		if (pad == true)
1600 | 			pad = (firstLine + count - 1).toString().length;
1601 | 		else if (isNaN(pad) == true)
1602 | 			pad = 0;
1603 | 			
1604 | 		for (var i = 0; i < count; i++)
1605 | 		{
1606 | 			var lineNumber = lineNumbers ? lineNumbers[i] : firstLine + i,
1607 | 				code = lineNumber == 0 ? sh.config.space : padNumber(lineNumber, pad)
1608 | 				;
1609 | 				
1610 | 			html += this.getLineHtml(i, lineNumber, code);
1611 | 		}
1612 | 		
1613 | 		return html;
1614 | 	},
1615 | 	
1616 | 	/**
1617 | 	 * Splits block of text into individual DIV lines.
1618 | 	 * @param {String} code			Code to highlight.
1619 | 	 * @param {Array} lineNumbers	Calculated line numbers.
1620 | 	 * @return {String}				Returns highlighted code in HTML form.
1621 | 	 */
1622 | 	getCodeLinesHtml: function(html, lineNumbers)
1623 | 	{
1624 | 		html = trim(html);
1625 | 		
1626 | 		var lines = splitLines(html),
1627 | 			padLength = this.getParam('pad-line-numbers'),
1628 | 			firstLine = parseInt(this.getParam('first-line')),
1629 | 			html = '',
1630 | 			brushName = this.getParam('brush')
1631 | 			;
1632 | 
1633 | 		for (var i = 0; i < lines.length; i++)
1634 | 		{
1635 | 			var line = lines[i],
1636 | 				indent = /^(&nbsp;|\s)+/.exec(line),
1637 | 				spaces = null,
1638 | 				lineNumber = lineNumbers ? lineNumbers[i] : firstLine + i;
1639 | 				;
1640 | 
1641 | 			if (indent != null)
1642 | 			{
1643 | 				spaces = indent[0].toString();
1644 | 				line = line.substr(spaces.length);
1645 | 				spaces = spaces.replace(' ', sh.config.space);
1646 | 			}
1647 | 
1648 | 			line = trim(line);
1649 | 			
1650 | 			if (line.length == 0)
1651 | 				line = sh.config.space;
1652 | 			
1653 | 			html += this.getLineHtml(
1654 | 				i,
1655 | 				lineNumber, 
1656 | 				(spaces != null ? '<code class="' + brushName + ' spaces">' + spaces + '</code>' : '') + line
1657 | 			);
1658 | 		}
1659 | 		
1660 | 		return html;
1661 | 	},
1662 | 	
1663 | 	/**
1664 | 	 * Returns HTML for the table title or empty string if title is null.
1665 | 	 */
1666 | 	getTitleHtml: function(title)
1667 | 	{
1668 | 		return title ? '<caption>' + title + '</caption>' : '';
1669 | 	},
1670 | 	
1671 | 	/**
1672 | 	 * Finds all matches in the source code.
1673 | 	 * @param {String} code		Source code to process matches in.
1674 | 	 * @param {Array} matches	Discovered regex matches.
1675 | 	 * @return {String} Returns formatted HTML with processed mathes.
1676 | 	 */
1677 | 	getMatchesHtml: function(code, matches)
1678 | 	{
1679 | 		var pos = 0, 
1680 | 			result = '',
1681 | 			brushName = this.getParam('brush', '')
1682 | 			;
1683 | 		
1684 | 		function getBrushNameCss(match)
1685 | 		{
1686 | 			var result = match ? (match.brushName || brushName) : brushName;
1687 | 			return result ? result + ' ' : '';
1688 | 		};
1689 | 		
1690 | 		// Finally, go through the final list of matches and pull the all
1691 | 		// together adding everything in between that isn't a match.
1692 | 		for (var i = 0; i < matches.length; i++) 
1693 | 		{
1694 | 			var match = matches[i],
1695 | 				matchBrushName
1696 | 				;
1697 | 			
1698 | 			if (match === null || match.length === 0) 
1699 | 				continue;
1700 | 			
1701 | 			matchBrushName = getBrushNameCss(match);
1702 | 			
1703 | 			result += wrapLinesWithCode(code.substr(pos, match.index - pos), matchBrushName + 'plain')
1704 | 					+ wrapLinesWithCode(match.value, matchBrushName + match.css)
1705 | 					;
1706 | 
1707 | 			pos = match.index + match.length + (match.offset || 0);
1708 | 		}
1709 | 
1710 | 		// don't forget to add whatever's remaining in the string
1711 | 		result += wrapLinesWithCode(code.substr(pos), getBrushNameCss() + 'plain');
1712 | 
1713 | 		return result;
1714 | 	},
1715 | 	
1716 | 	/**
1717 | 	 * Generates HTML markup for the whole syntax highlighter.
1718 | 	 * @param {String} code Source code.
1719 | 	 * @return {String} Returns HTML markup.
1720 | 	 */
1721 | 	getHtml: function(code)
1722 | 	{
1723 | 		var html = '',
1724 | 			classes = [ 'syntaxhighlighter' ],
1725 | 			tabSize,
1726 | 			matches,
1727 | 			lineNumbers
1728 | 			;
1729 | 		
1730 | 		// process light mode
1731 | 		if (this.getParam('light') == true)
1732 | 			this.params.toolbar = this.params.gutter = false;
1733 | 
1734 | 		className = 'syntaxhighlighter';
1735 | 
1736 | 		if (this.getParam('collapse') == true)
1737 | 			classes.push('collapsed');
1738 | 		
1739 | 		if ((gutter = this.getParam('gutter')) == false)
1740 | 			classes.push('nogutter');
1741 | 
1742 | 		// add custom user style name
1743 | 		classes.push(this.getParam('class-name'));
1744 | 
1745 | 		// add brush alias to the class name for custom CSS
1746 | 		classes.push(this.getParam('brush'));
1747 | 
1748 | 		code = trimFirstAndLastLines(code)
1749 | 			.replace(/\r/g, ' ') // IE lets these buggers through
1750 | 			;
1751 | 
1752 | 		tabSize = this.getParam('tab-size');
1753 | 
1754 | 		// replace tabs with spaces
1755 | 		code = this.getParam('smart-tabs') == true
1756 | 			? processSmartTabs(code, tabSize)
1757 | 			: processTabs(code, tabSize)
1758 | 			;
1759 | 
1760 | 		// unindent code by the common indentation
1761 | 		code = unindent(code);
1762 | 
1763 | 		if (gutter)
1764 | 			lineNumbers = this.figureOutLineNumbers(code);
1765 | 		
1766 | 		// find matches in the code using brushes regex list
1767 | 		matches = this.findMatches(this.regexList, code);
1768 | 		// processes found matches into the html
1769 | 		html = this.getMatchesHtml(code, matches);
1770 | 		// finally, split all lines so that they wrap well
1771 | 		html = this.getCodeLinesHtml(html, lineNumbers);
1772 | 
1773 | 		// finally, process the links
1774 | 		if (this.getParam('auto-links'))
1775 | 			html = processUrls(html);
1776 | 		
1777 | 		if (typeof(navigator) != 'undefined' && navigator.userAgent && navigator.userAgent.match(/MSIE/))
1778 | 			classes.push('ie');
1779 | 		
1780 | 		html = 
1781 | 			'<div id="' + getHighlighterId(this.id) + '" class="' + classes.join(' ') + '">'
1782 | 				+ (this.getParam('toolbar') ? sh.toolbar.getHtml(this) : '')
1783 | 				+ '<table border="0" cellpadding="0" cellspacing="0">'
1784 | 					+ this.getTitleHtml(this.getParam('title'))
1785 | 					+ '<tbody>'
1786 | 						+ '<tr>'
1787 | 							+ (gutter ? '<td class="gutter">' + this.getLineNumbersHtml(code) + '</td>' : '')
1788 | 							+ '<td class="code">'
1789 | 								+ '<div class="container">'
1790 | 									+ html
1791 | 								+ '</div>'
1792 | 							+ '</td>'
1793 | 						+ '</tr>'
1794 | 					+ '</tbody>'
1795 | 				+ '</table>'
1796 | 			+ '</div>'
1797 | 			;
1798 | 			
1799 | 		return html;
1800 | 	},
1801 | 	
1802 | 	/**
1803 | 	 * Highlights the code and returns complete HTML.
1804 | 	 * @param {String} code     Code to highlight.
1805 | 	 * @return {Element}        Returns container DIV element with all markup.
1806 | 	 */
1807 | 	getDiv: function(code)
1808 | 	{
1809 | 		if (code === null) 
1810 | 			code = '';
1811 | 		
1812 | 		this.code = code;
1813 | 
1814 | 		var div = this.create('div');
1815 | 
1816 | 		// create main HTML
1817 | 		div.innerHTML = this.getHtml(code);
1818 | 		
1819 | 		// set up click handlers
1820 | 		if (this.getParam('toolbar'))
1821 | 			attachEvent(findElement(div, '.toolbar'), 'click', sh.toolbar.handler);
1822 | 		
1823 | 		if (this.getParam('quick-code'))
1824 | 			attachEvent(findElement(div, '.code'), 'dblclick', quickCodeHandler);
1825 | 		
1826 | 		return div;
1827 | 	},
1828 | 	
1829 | 	/**
1830 | 	 * Initializes the highlighter/brush.
1831 | 	 *
1832 | 	 * Constructor isn't used for initialization so that nothing executes during necessary
1833 | 	 * `new SyntaxHighlighter.Highlighter()` call when setting up brush inheritence.
1834 | 	 *
1835 | 	 * @param {Hash} params Highlighter parameters.
1836 | 	 */
1837 | 	init: function(params)
1838 | 	{
1839 | 		this.id = guid();
1840 | 		
1841 | 		// register this instance in the highlighters list
1842 | 		storeHighlighter(this);
1843 | 		
1844 | 		// local params take precedence over defaults
1845 | 		this.params = merge(sh.defaults, params || {})
1846 | 		
1847 | 		// process light mode
1848 | 		if (this.getParam('light') == true)
1849 | 			this.params.toolbar = this.params.gutter = false;
1850 | 	},
1851 | 	
1852 | 	/**
1853 | 	 * Converts space separated list of keywords into a regular expression string.
1854 | 	 * @param {String} str    Space separated keywords.
1855 | 	 * @return {String}       Returns regular expression string.
1856 | 	 */
1857 | 	getKeywords: function(str)
1858 | 	{
1859 | 		str = str
1860 | 			.replace(/^\s+|\s+$/g, '')
1861 | 			.replace(/\s+/g, '|')
1862 | 			;
1863 | 		
1864 | 		return '\\b(?:' + str + ')\\b';
1865 | 	},
1866 | 	
1867 | 	/**
1868 | 	 * Makes a brush compatible with the `html-script` functionality.
1869 | 	 * @param {Object} regexGroup Object containing `left` and `right` regular expressions.
1870 | 	 */
1871 | 	forHtmlScript: function(regexGroup)
1872 | 	{
1873 | 		this.htmlScript = {
1874 | 			left : { regex: regexGroup.left, css: 'script' },
1875 | 			right : { regex: regexGroup.right, css: 'script' },
1876 | 			code : new XRegExp(
1877 | 				"(?<left>" + regexGroup.left.source + ")" +
1878 | 				"(?<code>.*?)" +
1879 | 				"(?<right>" + regexGroup.right.source + ")",
1880 | 				"sgi"
1881 | 				)
1882 | 		};
1883 | 	}
1884 | }; // end of Highlighter
1885 | 
1886 | return sh;
1887 | }(); // end of anonymous function
1888 | 
1889 | // CommonJS
1890 | typeof(exports) != 'undefined' ? exports['SyntaxHighlighter'] = SyntaxHighlighter : null;
1891 | </script><script type="text/javascript">/*!
1892 |  * Copyright © 2010 Sattvik Software & Technology Resources, Ltd. Co.
1893 |  * All rights reserved.
1894 |  *
1895 |  * sh-clojure may be used under the terms of either the GNU Lesser General Public
1896 |  * License (LGPL) or the Eclipse Public License (EPL).  As a recipient of
1897 |  * sh-clojure, you may choose which license to receive the code under.  See the
1898 |  * LICENSE file distributed with sh-clojure for details.
1899 |  *
1900 |  * Written by Daniel Solano Gómez
1901 |  *
1902 |  * Version 0.9.1 - 10 Apr 2010
1903 |  */
1904 | 
1905 | function ClojureRegExp(pattern) {
1906 | 	pattern = pattern + '(?=[[\\]{}(),\\s])';
1907 | 	this.regex = new RegExp(pattern, 'g');
1908 | 	this.lookBehind = /[\[\]{}(),\s]$/;
1909 | }
1910 | 
1911 | ClojureRegExp.prototype.exec = function (str) {
1912 | 	var match, leftContext;
1913 | 	while (match=this.regex.exec(str)) {
1914 | 		leftContext = str.substring(0, match.index);
1915 | 		if (this.lookBehind.test(leftContext)) {
1916 | 			return match;
1917 | 		}
1918 | 		else {
1919 | 			this.regex.lastIndex = match.index + 1;
1920 | 		}
1921 | 	}
1922 | 	return null;
1923 | };
1924 | 
1925 | SyntaxHighlighter.brushes.Clojure = function () {
1926 | 	var special_forms =
1927 | 			'. def do fn if let loop monitor-enter monitor-exit new quote recur set! ' +
1928 | 			'throw try var',
1929 | 	    clojure_core =
1930 | 			'* *1 *2 *3 *agent* *allow-unresolved-vars* *assert* *clojure-version* ' +
1931 | 			'*command-line-args* *compile-files* *compile-path* *e *err* *file* ' +
1932 | 			'*flush-on-newline* *in* *macro-meta* *math-context* *ns* *out* ' +
1933 | 			'*print-dup* *print-length* *print-level* *print-meta* *print-readably* ' +
1934 | 			'*read-eval* *source-path* *use-context-classloader* ' +
1935 | 			'*warn-on-reflection* + - -> -&gt; ->> -&gt;&gt; .. / < &lt; <= &lt;= = ' +
1936 | 			'== > &gt; >= &gt;= accessor aclone ' +
1937 | 			'add-classpath add-watch agent agent-errors aget alength alias all-ns ' +
1938 | 			'alter alter-meta! alter-var-root amap ancestors and apply areduce ' +
1939 | 			'array-map aset aset-boolean aset-byte aset-char aset-double aset-float ' +
1940 | 			'aset-int aset-long aset-short assert assoc assoc! assoc-in associative? ' +
1941 | 			'atom await await-for await1 bases bean bigdec bigint binding bit-and ' +
1942 | 			'bit-and-not bit-clear bit-flip bit-not bit-or bit-set bit-shift-left ' +
1943 | 			'bit-shift-right bit-test bit-xor boolean boolean-array booleans ' +
1944 | 			'bound-fn bound-fn* butlast byte byte-array bytes cast char char-array ' +
1945 | 			'char-escape-string char-name-string char? chars chunk chunk-append ' +
1946 | 			'chunk-buffer chunk-cons chunk-first chunk-next chunk-rest chunked-seq? ' +
1947 | 			'class class? clear-agent-errors clojure-version coll? comment commute ' +
1948 | 			'comp comparator compare compare-and-set! compile complement concat cond ' +
1949 | 			'condp conj conj! cons constantly construct-proxy contains? count ' +
1950 | 			'counted? create-ns create-struct cycle dec decimal? declare definline ' +
1951 | 			'defmacro defmethod defmulti defn defn- defonce defstruct delay delay? ' +
1952 | 			'deliver deref derive descendants destructure disj disj! dissoc dissoc! ' +
1953 | 			'distinct distinct? doall doc dorun doseq dosync dotimes doto double ' +
1954 | 			'double-array doubles drop drop-last drop-while empty empty? ensure ' +
1955 | 			'enumeration-seq eval even? every? false? ffirst file-seq filter find ' +
1956 | 			'find-doc find-ns find-var first float float-array float? floats flush ' +
1957 | 			'fn fn? fnext for force format future future-call future-cancel ' +
1958 | 			'future-cancelled? future-done? future? gen-class gen-interface gensym ' +
1959 | 			'get get-in get-method get-proxy-class get-thread-bindings get-validator ' +
1960 | 			'hash hash-map hash-set identical? identity if-let if-not ifn? import ' +
1961 | 			'in-ns inc init-proxy instance? int int-array integer? interleave intern ' +
1962 | 			'interpose into into-array ints io! isa? iterate iterator-seq juxt key ' +
1963 | 			'keys keyword keyword? last lazy-cat lazy-seq let letfn line-seq list ' +
1964 | 			'list* list? load load-file load-reader load-string loaded-libs locking ' +
1965 | 			'long long-array longs loop macroexpand macroexpand-1 make-array ' +
1966 | 			'make-hierarchy map map? mapcat max max-key memfn memoize merge ' +
1967 | 			'merge-with meta method-sig methods min min-key mod name namespace neg? ' +
1968 | 			'newline next nfirst nil? nnext not not-any? not-empty not-every? not= ' +
1969 | 			'	ns ns-aliases ns-imports ns-interns ns-map ns-name ns-publics ' +
1970 | 			'ns-refers ns-resolve ns-unalias ns-unmap nth nthnext num number? odd? ' +
1971 | 			'or parents partial partition pcalls peek persistent! pmap pop pop! ' +
1972 | 			'pop-thread-bindings pos? pr pr-str prefer-method prefers ' +
1973 | 			'primitives-classnames print print-ctor print-doc print-dup print-method ' +
1974 | 			'print-namespace-doc print-simple print-special-doc print-str printf ' +
1975 | 			'println println-str prn prn-str promise proxy proxy-call-with-super ' +
1976 | 			'proxy-mappings proxy-name proxy-super push-thread-bindings pvalues quot ' +
1977 | 			'rand rand-int range ratio? rational? rationalize re-find re-groups ' +
1978 | 			're-matcher re-matches re-pattern re-seq read read-line read-string ' +
1979 | 			'reduce ref ref-history-count ref-max-history ref-min-history ref-set ' +
1980 | 			'refer refer-clojure release-pending-sends rem remove remove-method ' +
1981 | 			'remove-ns remove-watch repeat repeatedly replace replicate require ' +
1982 | 			'reset! reset-meta! resolve rest resultset-seq reverse reversible? rseq ' +
1983 | 			'rsubseq second select-keys send send-off seq seq? seque sequence ' +
1984 | 			'sequential? set set-validator! set? short short-array shorts ' +
1985 | 			'shutdown-agents slurp some sort sort-by sorted-map sorted-map-by ' +
1986 | 			'sorted-set sorted-set-by sorted? special-form-anchor special-symbol? ' +
1987 | 			'split-at split-with str stream? string? struct struct-map subs subseq ' +
1988 | 			'subvec supers swap! symbol symbol? sync syntax-symbol-anchor take ' +
1989 | 			'take-last take-nth take-while test the-ns time to-array to-array-2d ' +
1990 | 			'trampoline transient tree-seq true? type unchecked-add unchecked-dec ' +
1991 | 			'unchecked-divide unchecked-inc unchecked-multiply unchecked-negate ' +
1992 | 			'unchecked-remainder unchecked-subtract underive unquote ' +
1993 | 			'unquote-splicing update-in update-proxy use val vals var-get var-set ' +
1994 | 			'var? vary-meta vec vector vector? when when-first when-let when-not ' +
1995 | 			'while with-bindings with-bindings* with-in-str with-loading-context ' +
1996 | 			'with-local-vars with-meta with-open with-out-str with-precision xml-seq ' +
1997 | 			'zero? zipmap ';
1998 | 
1999 | 	this.getKeywords = function (keywordStr) {
2000 | 		// quote special characters
2001 | 		keywordStr = keywordStr.replace(/[\-\[\]{}()*+?.\\\^$|,#]/g, "\\$&");
2002 | 		// trim whitespace and convert to alternatives
2003 | 		keywordStr = keywordStr.replace(/^\s+|\s+$/g, '').replace(/\s+/g, '|');
2004 | 		// create pattern
2005 | 		return '(?:' + keywordStr + ')';
2006 | 	};
2007 | 
2008 | 	this.regexList = [
2009 | 		// comments
2010 | 		{ regex: new RegExp(';.*$', 'gm'),
2011 | 			css: 'comments' },
2012 | 		// strings
2013 | 		{ regex: SyntaxHighlighter.regexLib.multiLineDoubleQuotedString,
2014 | 			css: 'string' },
2015 | 		// regular expressions
2016 | 		{ regex: /#"(?:\.|(\\\")|[^\""\n])*"/g,
2017 | 			css: 'string' },
2018 | 		// vectors
2019 | 		{ regex: /\[|\]/g,
2020 | 			css: 'keyword' },
2021 | 		// amperstands
2022 | 		{ regex: /&(amp;)?/g,
2023 | 			css: 'keyword' },
2024 | 		// sets and maps
2025 | 		{ regex: /#?\{|\}/g,
2026 | 			css: 'keyword' },
2027 | 		// metadata
2028 | 		{ regex: /#\^\{/g,
2029 | 			css: 'keyword' },
2030 | 		// anonymous fn syntactic sugar
2031 | 		{ regex: /#\(|%/g,
2032 | 			css: 'keyword' },
2033 | 		// deref reader macro
2034 | 		{ regex: /@/g,
2035 | 			css: 'keyword' },
2036 | 		// (un)quoted sexprs
2037 | 		{ regex: /(['`]|~@?)[\[({]/g,
2038 | 			css: 'keyword' },
2039 | 		// lists
2040 | 		{ regex: /\(|\)/g,
2041 | 			css: 'keyword' },
2042 | 		// character literals
2043 | 		{ regex: /\\.\b/g,
2044 | 			css: 'value' },
2045 | 		// hexadecimal literals
2046 | 		{ regex: /[+\-]?\b0x[0-9A-F]+\b/gi,
2047 | 			css: 'value' },
2048 | 		// integer/octal/float/bigdecimal literals
2049 | 		{ regex: new ClojureRegExp("[+-]?\\b\\d+(\\.\\d*)?([eE][+-]?\\d+|M)?\\b"),
2050 | 			css: 'value' },
2051 | 		{ regex: /^[+\-]?\b\d+(\.\d*)?([eE][+\-]?\d+|M)?\b/g,
2052 | 			css: 'value' },
2053 | 		// booleans+nil
2054 | 		{ regex: /\b(true|false|nil)\b/g,
2055 | 			css: 'value' },
2056 | 		// (un)quoted symbols
2057 | 		{ regex: /(`|#?'|~@?)[\w-.\/]+/g,
2058 | 			css: 'color1' },
2059 | 		// keywords
2060 | 		{ regex: /:[A-Za-z0-9_\-]+/g,
2061 | 			css: 'constants' },
2062 | 		// special forms
2063 | 		{ regex: new ClojureRegExp(this.getKeywords(special_forms)),
2064 | 			css: 'preprocessor' },
2065 | 		// type hints
2066 | 		{ regex: /\#\^[A-Za-z]\w*/g,
2067 | 			css: 'preprocessor' },
2068 | 		// clojure.core
2069 | 		{ regex: new ClojureRegExp(this.getKeywords(clojure_core)),
2070 | 			css: 'functions' }
2071 | 	];
2072 | 
2073 | 	this.forHtmlScript(SyntaxHighlighter.regexLib.scriptScriptTags);
2074 | };
2075 | 
2076 | SyntaxHighlighter.brushes.Clojure.prototype = new SyntaxHighlighter.Highlighter();
2077 | SyntaxHighlighter.brushes.Clojure.aliases   = ['clojure', 'Clojure', 'clj'];
2078 | 
2079 | // vim: ts=2 sw=2 noet
2080 | </script><script type="text/javascript">
2081 | // hackity-hack
2082 | 
2083 | $(document).ready(function() {
2084 |     var ft = $("#floating-toc")
2085 |     var ul = ft.find('ul')
2086 |     var lis = ft.find('li')
2087 | 
2088 |     ul.css('maring', '0px')
2089 | 
2090 |     var liHeight = $(lis.get(0)).height()
2091 | 
2092 |     ft.css('height', (liHeight) + 'px')
2093 | 
2094 | 
2095 |     showNs = function(ns) {
2096 |         //this is killing performance, lookup table.
2097 |         //var el = $("[id='floating-toc_" + ns + "']")
2098 |         //var index = lis.index(el)
2099 | 
2100 |         var index = 0
2101 | 
2102 |         for(i in nsPositions.nss) {
2103 |             if(ns == nsPositions.nss[i]) index = i
2104 |         }
2105 | 
2106 |         console.log(index)
2107 | 
2108 |         if(index == lastNsIndex) return;
2109 | 
2110 |         lastNsIndex = index
2111 | 
2112 | 
2113 |         ul.animate({marginTop: (-1 * liHeight * index) + 'px'},
2114 |                300)
2115 |         //        ul.css('margin-top', (-1 * liHeight * index) + 'px')
2116 | 
2117 |     }
2118 | 
2119 |     var calcNsPositions = function() {
2120 |         var nss = []
2121 |         var anchors = []
2122 |         var positions = []
2123 |         $.each(lis, function(i, el) {
2124 |             var ns = $(el).attr('id').split('_')[1]
2125 |             nss.push(ns)
2126 |             var a = $("a[name='"+ns+"']")
2127 |             anchors.push(a)
2128 |             positions.push(a.offset().top)
2129 |             console.log(a.offset().top)
2130 |         });
2131 | 
2132 |         return {nss: nss, positions: positions}
2133 |     }
2134 | 
2135 |     var nsPositions = calcNsPositions()
2136 | 
2137 |     console.log(nsPositions)
2138 | 
2139 |     var lastNsIndex = -1
2140 | 
2141 |     var $window = $(window)
2142 | 
2143 |     var currentSection = function(nsp) {
2144 | 
2145 |         var ps = nsp.positions
2146 |         var nss = nsp.nss
2147 |         var scroll = $window.scrollTop() + 300
2148 |         var nsIndex = -1
2149 |         for(var i in ps) {
2150 |             var p = ps[i]
2151 |             if(p >= scroll) {
2152 |                 nsIndex = i-1
2153 |                 break;
2154 |             }
2155 |                 
2156 |         }
2157 | 
2158 |         if(nsIndex == -1 && scroll >= ps[0]) {
2159 |             nsIndex = ps.length-1
2160 |         }
2161 | 
2162 |         if(nsIndex == -1) nsIndex = 0
2163 | 
2164 |         return nss[nsIndex]
2165 |     }
2166 | 
2167 |     $(window).scroll(function(e) {
2168 |         showNs(currentSection(nsPositions))
2169 |     })
2170 | 
2171 |     ul.css('margin-top', '0px')
2172 | 
2173 | })
2174 | </script><style type="text/css">/**
2175 |  * SyntaxHighlighter
2176 |  * http://alexgorbatchev.com/SyntaxHighlighter
2177 |  *
2178 |  * SyntaxHighlighter is donationware. If you are using it, please donate.
2179 |  * http://alexgorbatchev.com/SyntaxHighlighter/donate.html
2180 |  *
2181 |  * @version
2182 |  * 3.0.83 (July 02 2010)
2183 |  * 
2184 |  * @copyright
2185 |  * Copyright (C) 2004-2010 Alex Gorbatchev.
2186 |  *
2187 |  * @license
2188 |  * Dual licensed under the MIT and GPL licenses.
2189 |  */
2190 | .syntaxhighlighter a,
2191 | .syntaxhighlighter div,
2192 | .syntaxhighlighter code,
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2400 | </style><style type="text/css">.syntaxhighlighter{overflow:hidden !important;}</style><style type="text/css">/**
2401 |  * SyntaxHighlighter
2402 |  * http://alexgorbatchev.com/SyntaxHighlighter
2403 |  *
2404 |  * SyntaxHighlighter is donationware. If you are using it, please donate.
2405 |  * http://alexgorbatchev.com/SyntaxHighlighter/donate.html
2406 |  *
2407 |  * @version
2408 |  * 3.0.83 (July 02 2010)
2409 |  * 
2410 |  * @copyright
2411 |  * Copyright (C) 2004-2010 Alex Gorbatchev.
2412 |  *
2413 |  * @license
2414 |  * Dual licensed under the MIT and GPL licenses.
2415 |  */
2416 | .syntaxhighlighter {
2417 |   background-color: transparent !important;
2418 | }
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2431 | .syntaxhighlighter table caption {
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2450 | .syntaxhighlighter.collapsed .toolbar {
2451 |   color: #3f5fbf !important;
2452 |   background: white !important;
2453 |   border: 1px solid #d4d0c8 !important;
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2455 | .syntaxhighlighter.collapsed .toolbar a {
2456 |   color: #3f5fbf !important;
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2458 | .syntaxhighlighter.collapsed .toolbar a:hover {
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2461 | .syntaxhighlighter .toolbar {
2462 |   color: #a0a0a0 !important;
2463 |   background: #d4d0c8 !important;
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2466 | .syntaxhighlighter .toolbar a {
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2490 | .syntaxhighlighter .value {
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2493 | .syntaxhighlighter .functions {
2494 |   color: #ff1493 !important;
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2496 | .syntaxhighlighter .constants {
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2499 | .syntaxhighlighter .script {
2500 |   font-weight: bold !important;
2501 |   color: #7f0055 !important;
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2513 | 
2514 | .syntaxhighlighter .keyword {
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2517 | .syntaxhighlighter .xml .keyword {
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2528 | </style><style type="text/css">html{margin:0;padding:0;}h1{margin:0;padding:0;}h2{margin:0;padding:0;}h3{margin:0;padding:0;}h4{margin:0;padding:0;}a{color:#261A3B;}a:visited{color:#261A3B;}</style><style type="text/css">.header{margin-top:30px;}h1.project-name{font-size:34px;display:inline;}h2.project-version{font-size:18px;margin-top:0;display:inline;margin-left:10px;}.toc-link{font-size:12px;margin-left:10px;color:#252519;text-decoration:none;}.toc-link:hover{color:#5050A6;}.toc h1{font-size:34px;margin:0;}.docs-header{border-bottom:dotted #aaa 1px;padding-bottom:10px;margin-bottom:25px;}.toc h1{font-size:24px;}.toc{border-bottom:solid #bbb 1px;margin-bottom:40px;}.toc ul{margin-left:20px;padding-left:0px;padding-top:0;margin-top:0;}.toc li{list-style-type:none;padding-left:0;}.dependencies{}.dependencies table{font-size:16px;width:99.99%;border:none;margin-left:20px;}.dependencies td{padding-right:20px;;white-space:nowrap;}.dependencies .dotted{width:99%;}.dependencies .dotted hr{margin-bottom:-6px;noshade:noshade;border-top:none;color:transparent;border-left:none;border-bottom:dotted #bbb 1px;border-right:none;background-color:transparent;height:0;}.dependencies .dep-version{text-align:right;}.plugins ul{margin-left:20px;padding-left:0px;padding-top:0;margin-top:0;}.plugins li{list-style-type:none;padding-left:0;}.header p{margin-left:20px;}</style><style type="text/css">#floating-toc{position:fixed;top:10px;right:20px;height:20px;overflow:hidden;text-align:right;}#floating-toc li{list-style-type:none;margin:0;padding:0;}</style><style type="text/css">body{margin:0;padding:0;font-family:'Palatino Linotype', 'Book Antiqua', Palatino, FreeSerif, serif;;font-size:16px;color:#252519;}h1{font-size:20px;margin-top:0;}a.anchor{text-decoration:none;color:#252519;}a.anchor:hover{color:#5050A6;}table{border-spacing:0;border-bottom:solid #ddd 1px;;margin-bottom:10px;}code{display:inline;}p{margin-top:8px;}tr{margin:0px;padding:0px;}td.docs{width:410px;max-width:410px;vertical-align:top;margin:0px;padding-left:55px;padding-right:20px;border:none;}td.docs pre{font-size:12px;overflow:hidden;}td.codes{border:none;margin:0px;padding-left:20px;width:55%;border-left:solid #E5E5EE 1px;font-size:10pt;vertical-align:top;overflow:hidden;background-color:#F5F5FF;}td.spacer{padding-bottom:40px;}pre code{display:block;padding:4px;}code{background-color:ghostWhite;border:solid #DEDEDE 1px;padding-left:3px;padding-right:3px;font-size:14px;}.syntaxhighlighter code{font-size:13px;}.footer{text-align:center;}</style><title>stemmers -- Marginalia</title></head><body><table><tr><td class="docs"><div class="header"><h1 class="project-name">stemmers</h1><h2 class="project-version">0.2.0</h2><br /><p>A collection of stemmers for use in search engines and the like.</p>
2529 | </div><div class="dependencies"><h3>dependencies</h3><table><tr><td class="dep-name">org.clojure/clojure</td><td class="dotted"><hr /></td><td class="dep-version">1.2.0</td></tr><tr><td class="dep-name">org.clojure/clojure-contrib</td><td class="dotted"><hr /></td><td class="dep-version">1.2.0</td></tr></table></div><div class="dependencies"><h3>dev dependencies</h3><table><tr><td class="dep-name">marginalia</td><td class="dotted"><hr /></td><td class="dep-version">0.3.2</td></tr><tr><td class="dep-name">swank-clojure</td><td class="dotted"><hr /></td><td class="dep-version">1.3.0-SNAPSHOT</td></tr></table></div></td><td class="codes" style="text-align: center; vertical-align: middle;color: #666;padding-right:20px"><br /><br /><br />(this space intentionally left blank)</td></tr><tr><td class="docs"><div class="toc"><a name="toc"><h3>namespaces</h3></a><ul><li><a href="#stemmers.core">stemmers.core</a></li><li><a href="#stemmers.porter">stemmers.porter</a></li><li><a href="#stemmers.soundex">stemmers.soundex</a></li></ul></div></td><td class="codes">&nbsp;</td></tr><tr><td class="docs"><div class="docs-header"><a class="anchor" href="#stemmers.core" name="stemmers.core"><h1 class="project-name">stemmers.core</h1><a class="toc-link" href="#toc">toc</a></a></div></td><td class="codes" /></tr><tr><td class="docs"><h2>Stemmers</h2>
2530 | </td><td class="codes"><pre class="brush: clojure"></pre></td></tr><tr><td class="docs"><p>A top-level interface to the stemmers, handling tokenising of
2531 | sentences and phrases, as well as removing extra-short and -long
2532 | words, and excluding common noisy words (see <code>*excluded-words*</code>).</p>
2533 | </td><td class="codes"><pre class="brush: clojure">
2534 | 
2535 | (ns stemmers.core
2536 |   (:require [clojure.string :as str]
2537 |             [stemmers.porter]))</pre></td></tr><tr><td class="docs">
2538 | </td><td class="codes"><pre class="brush: clojure"></pre></td></tr><tr><td class="docs"><p>For later (internal) use.</p>
2539 | </td><td class="codes"><pre class="brush: clojure">(def default-stemmer ^{:private true} stemmers.porter/stem)</pre></td></tr><tr><td class="docs">
2540 | </td><td class="codes"><pre class="brush: clojure"></pre></td></tr><tr><td class="docs"><p>Set of specific words to exclude from stemming.</p>
2541 | </td><td class="codes"><pre class="brush: clojure">(def *excluded-words*
2542 |   #{&quot;the&quot; &quot;and&quot; &quot;was&quot; &quot;are&quot; &quot;not&quot; &quot;you&quot; &quot;were&quot; &quot;that&quot; &quot;this&quot; &quot;did&quot;
2543 |     &quot;etc&quot; &quot;there&quot; &quot;they&quot; &quot;our&quot; &quot;their&quot;})</pre></td></tr><tr><td class="docs">
2544 | </td><td class="codes"><pre class="brush: clojure"></pre></td></tr><tr><td class="docs"><p>Ignore words shorter than this.</p>
2545 | </td><td class="codes"><pre class="brush: clojure">(def *min-word-length* 3)</pre></td></tr><tr><td class="docs">
2546 | </td><td class="codes"><pre class="brush: clojure"></pre></td></tr><tr><td class="docs"><p>Ignore words longer than this.</p>
2547 | </td><td class="codes"><pre class="brush: clojure">(def *max-word-length* 30)</pre></td></tr><tr><td class="docs"><p><code>true</code> if <code>word</code> matches our exclusion criteria.</p>
2548 | </td><td class="codes"><pre class="brush: clojure">
2549 | (defn excluded-word?
2550 |   [word]
2551 |   (or (not (&lt;= *min-word-length* (count word) *max-word-length*))
2552 |       (*excluded-words* word)))</pre></td></tr><tr><td class="docs"><p>Remove short and blacklisted words (see <code>*excluded-words*</code>).</p>
2553 | </td><td class="codes"><pre class="brush: clojure">
2554 | (defn remove-excluded-words
2555 |   [word-seq]
2556 |   (filter (complement excluded-word?)
2557 |           word-seq))</pre></td></tr><tr><td class="docs"><p>Expand any hyphenated words in seq into <code>[hyphenated-word hyphenated word]</code>.</p>
2558 | </td><td class="codes"><pre class="brush: clojure">
2559 | (defn expand-hyphenated-words
2560 |   [word-seq]
2561 |   (mapcat (fn [^String w]
2562 |             (if (.contains w &quot;-&quot;) (conj (seq (.split w &quot;-&quot;)) w) [w]))
2563 |           word-seq))</pre></td></tr><tr><td class="docs"><h2>Top-level interface</h2>
2564 | </td><td class="codes"><pre class="brush: clojure"></pre></td></tr><tr><td class="docs"><p>Tokenise a phrase, respecting exclusion criteria. e.g.:</p>
2565 | 
2566 | <pre><code>=&gt; (tokenise "searching a set of words")
2567 | ("searching" "set" "words")
2568 | </code></pre>
2569 | </td><td class="codes"><pre class="brush: clojure">
2570 | (defn tokenise
2571 |   [^String txt]
2572 |   (-&gt; (str/replace txt #&quot;[^-\d\w]+&quot; &quot; &quot;)
2573 |       (.toLowerCase)
2574 |       (str/split #&quot;\s+&quot;)
2575 |       expand-hyphenated-words
2576 |       remove-excluded-words))</pre></td></tr><tr><td class="docs"><p>Stem all words in a phrase or sentence, with reference to <code>*max-</code> and <code>*min-word-length*</code> and <code>*excluded-words*</code>.</p>
2577 | </td><td class="codes"><pre class="brush: clojure">
2578 | (defn stems
2579 |   ([phrase] (stems phrase default-stemmer))
2580 |   ([phrase stemmer-func]
2581 |      (map stemmer-func (tokenise phrase))))</pre></td></tr><tr><td class="spacer docs">&nbsp;</td><td class="codes" /></tr><tr><td class="docs"><div class="docs-header"><a class="anchor" href="#stemmers.porter" name="stemmers.porter"><h1 class="project-name">stemmers.porter</h1><a class="toc-link" href="#toc">toc</a></a></div></td><td class="codes" /></tr><tr><td class="docs"><p>An implementation of the Porter Stemmer algorithm, detailed at
2582 | <a href="http://tartarus.org/~martin/PorterStemmer/">http://tartarus.org/~martin/PorterStemmer/</a></p>
2583 | </td><td class="codes"><pre class="brush: clojure">
2584 | (ns stemmers.porter
2585 |   (:require [clojure.string :as str]))</pre></td></tr><tr><td class="docs">
2586 | </td><td class="codes"><pre class="brush: clojure">
2587 | (def stem
2588 |   ^String
2589 |   (let [c &quot;[^aeiou]&quot;
2590 |         v &quot;[aeiouy]&quot;
2591 |         cs (str c &quot;[^aeiouy]*&quot;)
2592 |         vs (str v &quot;[aeiou]*&quot;)
2593 |         mgr0 (re-pattern (str &quot;^(&quot; cs &quot;)?&quot; vs cs))
2594 |         meq1 (re-pattern (str &quot;^(&quot; cs &quot;)?&quot; vs cs &quot;(&quot; vs &quot;)?$&quot;))
2595 |         mgr1 (re-pattern (str &quot;^(&quot; cs &quot;)?&quot; vs cs vs cs))
2596 |         s_v  (re-pattern (str &quot;^(&quot; cs &quot;)?&quot; vs))
2597 | 
2598 |         step1a-re1 #&quot;^(.+?)(ss|i)es$&quot;
2599 |         step1a-re2 #&quot;^(.+?)([^s])s$&quot;
2600 |         
2601 |         step1a (fn [w]
2602 |                  (cond
2603 |                   (re-find step1a-re1 w) (str/replace w step1a-re1 &quot;$1$2&quot;)
2604 |                   (re-find step1a-re2 w) (str/replace w step1a-re2 &quot;$1$2&quot;)
2605 |                   :else w))
2606 | 
2607 |         step1b-re1 #&quot;^(.+?)eed$&quot;
2608 |         step1b-re2 #&quot;^(.+?)(ed|ing)$&quot;
2609 |         step1b-stem1 #&quot;(at|bl|iz)$&quot;
2610 |         step1b-stem2 #&quot;([^aeiouylsz])\1$&quot;
2611 |         step1b-stem3 (re-pattern (str &quot;^&quot; cs v &quot;[^aeiouwxy]$&quot;))
2612 |         
2613 |         step1b (fn [w]
2614 |                  (let [groups1 (re-find step1b-re1 w)
2615 |                        groups2 (re-find step1b-re2 w)]
2616 |                    (cond
2617 |                     groups1 (if (re-find mgr0 (groups1 1))
2618 |                               (apply str (butlast w))
2619 |                               w)
2620 |                     groups2 (let [stem (groups2 1)]
2621 |                               (if (re-find s_v stem)
2622 |                                 (cond
2623 |                                  (re-find step1b-stem1 stem) (str stem &quot;e&quot;)
2624 |                                  (re-find step1b-stem2 stem) (apply str (butlast stem))
2625 |                                  (re-find step1b-stem3 stem) (str stem &quot;e&quot;)
2626 |                                  :else stem)
2627 |                                 w))
2628 |                     :else w)))
2629 | 
2630 |         step1c-re1 #&quot;^(.+?)y$&quot;
2631 |         
2632 |         step1c (fn [w]
2633 |                  (if-let [[_ stem &amp; _] (re-find step1c-re1 w)]
2634 |                    (if (re-find s_v stem) (str stem &quot;i&quot;) w)
2635 |                    w))
2636 | 
2637 |         apply-suffix-map (fn [suffix-map ^String w]
2638 |                            (if-let [[stem suffix]
2639 |                                     (first (for [key (keys suffix-map)
2640 |                                                  :when (.endsWith w key)]
2641 |                                              [(.substring w 0 (- (count w) (count key))) key]))]
2642 |                              (if (re-find mgr0 stem)
2643 |                                (str stem (suffix-map suffix))
2644 |                                w)
2645 |                              w))
2646 | 
2647 |         step2-map {&quot;ational&quot; &quot;ate&quot;
2648 |                    &quot;tional&quot;  &quot;tion&quot;
2649 |                    &quot;enci&quot;    &quot;ence&quot;
2650 |                    &quot;anci&quot;    &quot;ance&quot;
2651 |                    &quot;izer&quot;    &quot;ize&quot;
2652 |                    &quot;bli&quot;     &quot;ble&quot;
2653 |                    &quot;alli&quot;    &quot;al&quot;
2654 |                    &quot;entli&quot;   &quot;ent&quot;
2655 |                    &quot;eli&quot;     &quot;e&quot;
2656 |                    &quot;ousli&quot;   &quot;ous&quot;
2657 |                    &quot;ization&quot; &quot;ize&quot;
2658 |                    &quot;ation&quot;   &quot;ate&quot;
2659 |                    &quot;ator&quot;    &quot;ate&quot;
2660 |                    &quot;alism&quot;   &quot;al&quot;
2661 |                    &quot;iveness&quot; &quot;ive&quot;
2662 |                    &quot;fulness&quot; &quot;ful&quot;
2663 |                    &quot;ousness&quot; &quot;ous&quot;
2664 |                    &quot;aliti&quot;   &quot;al&quot;
2665 |                    &quot;iviti&quot;   &quot;ive&quot;
2666 |                    &quot;biliti&quot;  &quot;ble&quot;
2667 |                    &quot;logi&quot;    &quot;log&quot;}
2668 |         
2669 |         step2 (partial apply-suffix-map step2-map)
2670 | 
2671 |         step3-map {&quot;icate&quot; &quot;ic&quot;
2672 |                    &quot;ative&quot; &quot;&quot;
2673 |                    &quot;alize&quot; &quot;al&quot;
2674 |                    &quot;iciti&quot; &quot;ic&quot;
2675 |                    &quot;ical&quot;  &quot;ic&quot;
2676 |                    &quot;ful&quot;   &quot;&quot;
2677 |                    &quot;ness&quot;  &quot;&quot;}
2678 |         
2679 |         step3 (partial apply-suffix-map step3-map)
2680 | 
2681 |         step4-suffixes1 [&quot;al&quot; &quot;ance&quot; &quot;ence&quot; &quot;er&quot; &quot;ic&quot; &quot;able&quot; &quot;ible&quot; &quot;ant&quot; &quot;ement&quot;
2682 |                          &quot;ment&quot; &quot;ent&quot; &quot;ou&quot; &quot;ism&quot; &quot;ate&quot; &quot;iti&quot; &quot;ous&quot; &quot;ive&quot; &quot;ize&quot;]
2683 |         step4-re1 #&quot;^(.+?)(s|t)(ion)$&quot;
2684 |         
2685 |         step4 (fn [^String w]
2686 |                 (if-let [stem (first (for [suffix step4-suffixes1
2687 |                                            :when (.endsWith w suffix)]
2688 |                                        (.substring w 0 (- (count w) (count suffix)))))]
2689 |                   (if (re-find mgr1 stem) stem w)
2690 |                   (if-let [groups (re-find step4-re1 w)]
2691 |                     (let [stem (str (groups 1) (groups 2))]
2692 |                       (if (re-find mgr1 stem) stem w))
2693 |                     w)))
2694 | 
2695 |         step5-re1 #&quot;^(.+?)e$&quot;
2696 |         step5-re2 (re-pattern (str &quot;^&quot; cs v &quot;[^aeiouwxy]$&quot;))
2697 |         
2698 |         step5 (fn [w]
2699 |                 (if-let [[_ stem &amp; _] (re-find step5-re1 w)]
2700 |                   (if (or (re-find mgr1 stem)
2701 |                           (and (re-find meq1 stem) (not (re-find step5-re2 stem))))
2702 |                     stem
2703 |                     w)
2704 |                   w))
2705 | 
2706 |         step6-re #&quot;ll$&quot;
2707 |         
2708 |         step6 (fn [w]
2709 |                 (if (and (re-find step6-re w) (re-find mgr1 w))
2710 |                   (apply str (butlast w))
2711 |                   w))
2712 | 
2713 |         step-y1 (fn [^String w]
2714 |                   (let [firstch (.substring w 0 1)
2715 |                         firstch-y? (= firstch &quot;y&quot;)]
2716 |                     [firstch-y? (if firstch-y?
2717 |                                   (str &quot;Y&quot; (.substring w 1))
2718 |                                   w)]))
2719 |         step-y2 (fn [firstch-y? ^String w]
2720 |                   (if firstch-y?
2721 |                     (str (.toLowerCase ^String (.substring w 0 1))
2722 |                          (.substring w 1))
2723 |                     w))]
2724 | 
2725 |     (fn [word]
2726 |       (if (&lt; (count word) 3)
2727 |         word
2728 |         (let [[starts-with-y? w] (step-y1 word)]
2729 |           (-&gt;&gt; w
2730 |                step1a step1b step1c step2 step3 step4 step5 step6
2731 |                (step-y2 starts-with-y?)))))))</pre></td></tr><tr><td class="spacer docs">&nbsp;</td><td class="codes" /></tr><tr><td class="docs"><div class="docs-header"><a class="anchor" href="#stemmers.soundex" name="stemmers.soundex"><h1 class="project-name">stemmers.soundex</h1><a class="toc-link" href="#toc">toc</a></a></div></td><td class="codes" /></tr><tr><td class="docs"><p>An implementation of the American Soundex algorithm, as described
2732 | at <a href="http://en.wikipedia.org/wiki/Soundex">http://en.wikipedia.org/wiki/Soundex</a></p>
2733 | </td><td class="codes"><pre class="brush: clojure">
2734 | (ns stemmers.soundex
2735 |   (:require [clojure.string :as str]))</pre></td></tr><tr><td class="docs">
2736 | </td><td class="codes"><pre class="brush: clojure"></pre></td></tr><tr><td class="docs"><p>Consonant codings. <code>h</code>, <code>w</code> and the vowels are special cases, as we'll see later.</p>
2737 | </td><td class="codes"><pre class="brush: clojure">(def char-map
2738 |   {\b 1, \f 1, \p 1, \v 1
2739 |    \c 2, \g 2, \j 2, \k 2, \q 2, \s 2, \x 2, \z 2
2740 |    \d 3, \t 3
2741 |    \l 4
2742 |    \m 5, \n 5
2743 |    \r 6})</pre></td></tr><tr><td class="docs"><p>Return the soundex code for a single word.</p>
2744 | </td><td class="codes"><pre class="brush: clojure">
2745 | (defn stem
2746 |   [word]
2747 |   (let [index (first word)]
2748 |     (loop [w (rest word)
2749 |            code-seq []
2750 |            collapse-next? false]
2751 |       (if (or (empty? w)
2752 |               (&gt;= (count code-seq) 3))
2753 |         (.toUpperCase (apply str index
2754 |                              (take 3 (concat code-seq (repeat 0)))))</pre></td></tr><tr><td class="docs"><p>if we have a <code>w</code> or <code>h</code>, we ignore it and allow collapsing</p>
2755 | </td><td class="codes"><pre class="brush: clojure">        (cond
2756 |          (#{\w \h} (first w))          (recur (rest w) code-seq true)</pre></td></tr><tr><td class="docs"><p>if it's a vowel, we ignore it, but don't collapse any
2757 | following duplicate</p>
2758 | </td><td class="codes"><pre class="brush: clojure">         
2759 |          (#{\a \e \i \o \u} (first w)) (recur (rest w) code-seq false)</pre></td></tr><tr><td class="docs"><p>otherwise, we conj the next code on, respecting <code>collapse-next?</code></p>
2760 | </td><td class="codes"><pre class="brush: clojure">         
2761 |          :else (let [next-code (char-map (first w))]
2762 |                  (if (and collapse-next? (= next-code (last code-seq)))
2763 |                    (recur (rest w) code-seq true)
2764 |                    (recur (rest w) (conj code-seq next-code) true))))))))</pre></td></tr><tr><td class="spacer docs">&nbsp;</td><td class="codes" /></tr></table><div class="footer">Generated by <a href="https://github.com/fogus/marginalia">Marginalia</a>.&nbsp;&nbsp;Syntax highlighting provided by Alex Gorbatchev's <a href="http://alexgorbatchev.com/SyntaxHighlighter/">SyntaxHighlighter</a><div id="floating-toc"><ul><li class="floating-toc-li" id="floating-toc_stemmers.core">stemmers.core</li><li class="floating-toc-li" id="floating-toc_stemmers.porter">stemmers.porter</li><li class="floating-toc-li" id="floating-toc_stemmers.soundex">stemmers.soundex</li></ul></div></div><script type="text/javascript">SyntaxHighlighter.defaults['gutter'] = false;
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