Removed old bundled xslt stuff.

[stg.git] / doc / xslt / webhelp / template / content / search / stemmers / en_stemmer.js

diff --git a/doc/xslt/webhelp/template/content/search/stemmers/en_stemmer.js b/doc/xslt/webhelp/template/content/search/stemmers/en_stemmer.js
deleted file mode 100755 (executable)
index f58012f..0000000
--- a/doc/xslt/webhelp/template/content/search/stemmers/en_stemmer.js
+++ /dev/null
@@ -1,187 +0,0 @@
-// Porter stemmer in Javascript. Few comments, but it's easy to follow against the rules in the original
-// paper, in
-//
-//  Porter, 1980, An algorithm for suffix stripping, Program, Vol. 14,
-//  no. 3, pp 130-137,
-//
-// see also http://www.tartarus.org/~martin/PorterStemmer
-
-// Release 1 be 'andargor', Jul 2004
-// Release 2 (substantially revised) by Christopher McKenzie, Aug 2009
-
-
-var stemmer = (function(){
-       var step2list = {
-                       "ational" : "ate",
-                       "tional" : "tion",
-                       "enci" : "ence",
-                       "anci" : "ance",
-                       "izer" : "ize",
-                       "bli" : "ble",
-                       "alli" : "al",
-                       "entli" : "ent",
-                       "eli" : "e",
-                       "ousli" : "ous",
-                       "ization" : "ize",
-                       "ation" : "ate",
-                       "ator" : "ate",
-                       "alism" : "al",
-                       "iveness" : "ive",
-                       "fulness" : "ful",
-                       "ousness" : "ous",
-                       "aliti" : "al",
-                       "iviti" : "ive",
-                       "biliti" : "ble",
-                       "logi" : "log"
-               },
-
-               step3list = {
-                       "icate" : "ic",
-                       "ative" : "",
-                       "alize" : "al",
-                       "iciti" : "ic",
-                       "ical" : "ic",
-                       "ful" : "",
-                       "ness" : ""
-               },
-
-               c = "[^aeiou]",          // consonant
-               v = "[aeiouy]",          // vowel
-               C = c + "[^aeiouy]*",    // consonant sequence
-               V = v + "[aeiou]*",      // vowel sequence
-
-               mgr0 = "^(" + C + ")?" + V + C,               // [C]VC... is m>0
-               meq1 = "^(" + C + ")?" + V + C + "(" + V + ")?$",  // [C]VC[V] is m=1
-               mgr1 = "^(" + C + ")?" + V + C + V + C,       // [C]VCVC... is m>1
-               s_v = "^(" + C + ")?" + v;                   // vowel in stem
-
-       return function (w) {
-               var     stem,
-                       suffix,
-                       firstch,
-                       re,
-                       re2,
-                       re3,
-                       re4,
-                       origword = w;
-
-               if (w.length < 3) { return w; }
-
-               firstch = w.substr(0,1);
-               if (firstch == "y") {
-                       w = firstch.toUpperCase() + w.substr(1);
-               }
-
-               // Step 1a
-               re = /^(.+?)(ss|i)es$/;
-               re2 = /^(.+?)([^s])s$/;
-
-               if (re.test(w)) { w = w.replace(re,"$1$2"); }
-               else if (re2.test(w)) { w = w.replace(re2,"$1$2"); }
-
-               // Step 1b
-               re = /^(.+?)eed$/;
-               re2 = /^(.+?)(ed|ing)$/;
-               if (re.test(w)) {
-                       var fp = re.exec(w);
-                       re = new RegExp(mgr0);
-                       if (re.test(fp[1])) {
-                               re = /.$/;
-                               w = w.replace(re,"");
-                       }
-               } else if (re2.test(w)) {
-                       var fp = re2.exec(w);
-                       stem = fp[1];
-                       re2 = new RegExp(s_v);
-                       if (re2.test(stem)) {
-                               w = stem;
-                               re2 = /(at|bl|iz)$/;
-                               re3 = new RegExp("([^aeiouylsz])\\1$");
-                               re4 = new RegExp("^" + C + v + "[^aeiouwxy]$");
-                               if (re2.test(w)) {      w = w + "e"; }
-                               else if (re3.test(w)) { re = /.$/; w = w.replace(re,""); }
-                               else if (re4.test(w)) { w = w + "e"; }
-                       }
-               }
-
-               // Step 1c
-               re = /^(.+?)y$/;
-               if (re.test(w)) {
-                       var fp = re.exec(w);
-                       stem = fp[1];
-                       re = new RegExp(s_v);
-                       if (re.test(stem)) { w = stem + "i"; }
-               }
-
-               // Step 2
-               re = /^(.+?)(ational|tional|enci|anci|izer|bli|alli|entli|eli|ousli|ization|ation|ator|alism|iveness|fulness|ousness|aliti|iviti|biliti|logi)$/;
-               if (re.test(w)) {
-                       var fp = re.exec(w);
-                       stem = fp[1];
-                       suffix = fp[2];
-                       re = new RegExp(mgr0);
-                       if (re.test(stem)) {
-                               w = stem + step2list[suffix];
-                       }
-               }
-
-               // Step 3
-               re = /^(.+?)(icate|ative|alize|iciti|ical|ful|ness)$/;
-               if (re.test(w)) {
-                       var fp = re.exec(w);
-                       stem = fp[1];
-                       suffix = fp[2];
-                       re = new RegExp(mgr0);
-                       if (re.test(stem)) {
-                               w = stem + step3list[suffix];
-                       }
-               }
-
-               // Step 4
-               re = /^(.+?)(al|ance|ence|er|ic|able|ible|ant|ement|ment|ent|ou|ism|ate|iti|ous|ive|ize)$/;
-               re2 = /^(.+?)(s|t)(ion)$/;
-               if (re.test(w)) {
-                       var fp = re.exec(w);
-                       stem = fp[1];
-                       re = new RegExp(mgr1);
-                       if (re.test(stem)) {
-                               w = stem;
-                       }
-               } else if (re2.test(w)) {
-                       var fp = re2.exec(w);
-                       stem = fp[1] + fp[2];
-                       re2 = new RegExp(mgr1);
-                       if (re2.test(stem)) {
-                               w = stem;
-                       }
-               }
-
-               // Step 5
-               re = /^(.+?)e$/;
-               if (re.test(w)) {
-                       var fp = re.exec(w);
-                       stem = fp[1];
-                       re = new RegExp(mgr1);
-                       re2 = new RegExp(meq1);
-                       re3 = new RegExp("^" + C + v + "[^aeiouwxy]$");
-                       if (re.test(stem) || (re2.test(stem) && !(re3.test(stem)))) {
-                               w = stem;
-                       }
-               }
-
-               re = /ll$/;
-               re2 = new RegExp(mgr1);
-               if (re.test(w) && re2.test(w)) {
-                       re = /.$/;
-                       w = w.replace(re,"");
-               }
-
-               // and turn initial Y back to y
-
-               if (firstch == "y") {
-                       w = firstch.toLowerCase() + w.substr(1);
-               }
-
-               return w;
-       }
-})();
\ No newline at end of file