diff options
Diffstat (limited to 'static/js/lunr/lunrStemmerSupport.js')
| -rwxr-xr-x | static/js/lunr/lunrStemmerSupport.js | 304 |
1 files changed, 0 insertions, 304 deletions
diff --git a/static/js/lunr/lunrStemmerSupport.js b/static/js/lunr/lunrStemmerSupport.js deleted file mode 100755 index 32959fb..0000000 --- a/static/js/lunr/lunrStemmerSupport.js +++ /dev/null @@ -1,304 +0,0 @@ -/*! - * Snowball JavaScript Library v0.3 - * http://code.google.com/p/urim/ - * http://snowball.tartarus.org/ - * - * Copyright 2010, Oleg Mazko - * http://www.mozilla.org/MPL/ - */ - -/** - * export the module via AMD, CommonJS or as a browser global - * Export code from https://github.com/umdjs/umd/blob/master/returnExports.js - */ -; (function (root, factory) { - if (typeof define === 'function' && define.amd) { - // AMD. Register as an anonymous module. - define(factory) - } else if (typeof exports === 'object') { - /** - * Node. Does not work with strict CommonJS, but - * only CommonJS-like environments that support module.exports, - * like Node. - */ - module.exports = factory() - } else { - // Browser globals (root is window) - factory()(root.lunr); - } -}(this, function () { - /** - * Just return a value to define the module export. - * This example returns an object, but the module - * can return a function as the exported value. - */ - return function (lunr) { - /* provides utilities for the included stemmers */ - lunr.stemmerSupport = { - Among: function (s, substring_i, result, method) { - this.toCharArray = function (s) { - var sLength = s.length, charArr = new Array(sLength); - for (var i = 0; i < sLength; i++) - charArr[i] = s.charCodeAt(i); - return charArr; - }; - - if ((!s && s != "") || (!substring_i && (substring_i != 0)) || !result) - throw ("Bad Among initialisation: s:" + s + ", substring_i: " - + substring_i + ", result: " + result); - this.s_size = s.length; - this.s = this.toCharArray(s); - this.substring_i = substring_i; - this.result = result; - this.method = method; - }, - SnowballProgram: function () { - var current; - return { - bra: 0, - ket: 0, - limit: 0, - cursor: 0, - limit_backward: 0, - setCurrent: function (word) { - current = word; - this.cursor = 0; - this.limit = word.length; - this.limit_backward = 0; - this.bra = this.cursor; - this.ket = this.limit; - }, - getCurrent: function () { - var result = current; - current = null; - return result; - }, - in_grouping: function (s, min, max) { - if (this.cursor < this.limit) { - var ch = current.charCodeAt(this.cursor); - if (ch <= max && ch >= min) { - ch -= min; - if (s[ch >> 3] & (0X1 << (ch & 0X7))) { - this.cursor++; - return true; - } - } - } - return false; - }, - in_grouping_b: function (s, min, max) { - if (this.cursor > this.limit_backward) { - var ch = current.charCodeAt(this.cursor - 1); - if (ch <= max && ch >= min) { - ch -= min; - if (s[ch >> 3] & (0X1 << (ch & 0X7))) { - this.cursor--; - return true; - } - } - } - return false; - }, - out_grouping: function (s, min, max) { - if (this.cursor < this.limit) { - var ch = current.charCodeAt(this.cursor); - if (ch > max || ch < min) { - this.cursor++; - return true; - } - ch -= min; - if (!(s[ch >> 3] & (0X1 << (ch & 0X7)))) { - this.cursor++; - return true; - } - } - return false; - }, - out_grouping_b: function (s, min, max) { - if (this.cursor > this.limit_backward) { - var ch = current.charCodeAt(this.cursor - 1); - if (ch > max || ch < min) { - this.cursor--; - return true; - } - ch -= min; - if (!(s[ch >> 3] & (0X1 << (ch & 0X7)))) { - this.cursor--; - return true; - } - } - return false; - }, - eq_s: function (s_size, s) { - if (this.limit - this.cursor < s_size) - return false; - for (var i = 0; i < s_size; i++) - if (current.charCodeAt(this.cursor + i) != s.charCodeAt(i)) - return false; - this.cursor += s_size; - return true; - }, - eq_s_b: function (s_size, s) { - if (this.cursor - this.limit_backward < s_size) - return false; - for (var i = 0; i < s_size; i++) - if (current.charCodeAt(this.cursor - s_size + i) != s - .charCodeAt(i)) - return false; - this.cursor -= s_size; - return true; - }, - find_among: function (v, v_size) { - var i = 0, j = v_size, c = this.cursor, l = this.limit, common_i = 0, common_j = 0, first_key_inspected = false; - while (true) { - var k = i + ((j - i) >> 1), diff = 0, common = common_i < common_j - ? common_i - : common_j, w = v[k]; - for (var i2 = common; i2 < w.s_size; i2++) { - if (c + common == l) { - diff = -1; - break; - } - diff = current.charCodeAt(c + common) - w.s[i2]; - if (diff) - break; - common++; - } - if (diff < 0) { - j = k; - common_j = common; - } else { - i = k; - common_i = common; - } - if (j - i <= 1) { - if (i > 0 || j == i || first_key_inspected) - break; - first_key_inspected = true; - } - } - while (true) { - var w = v[i]; - if (common_i >= w.s_size) { - this.cursor = c + w.s_size; - if (!w.method) - return w.result; - var res = w.method(); - this.cursor = c + w.s_size; - if (res) - return w.result; - } - i = w.substring_i; - if (i < 0) - return 0; - } - }, - find_among_b: function (v, v_size) { - var i = 0, j = v_size, c = this.cursor, lb = this.limit_backward, common_i = 0, common_j = 0, first_key_inspected = false; - while (true) { - var k = i + ((j - i) >> 1), diff = 0, common = common_i < common_j - ? common_i - : common_j, w = v[k]; - for (var i2 = w.s_size - 1 - common; i2 >= 0; i2--) { - if (c - common == lb) { - diff = -1; - break; - } - diff = current.charCodeAt(c - 1 - common) - w.s[i2]; - if (diff) - break; - common++; - } - if (diff < 0) { - j = k; - common_j = common; - } else { - i = k; - common_i = common; - } - if (j - i <= 1) { - if (i > 0 || j == i || first_key_inspected) - break; - first_key_inspected = true; - } - } - while (true) { - var w = v[i]; - if (common_i >= w.s_size) { - this.cursor = c - w.s_size; - if (!w.method) - return w.result; - var res = w.method(); - this.cursor = c - w.s_size; - if (res) - return w.result; - } - i = w.substring_i; - if (i < 0) - return 0; - } - }, - replace_s: function (c_bra, c_ket, s) { - var adjustment = s.length - (c_ket - c_bra), left = current - .substring(0, c_bra), right = current.substring(c_ket); - current = left + s + right; - this.limit += adjustment; - if (this.cursor >= c_ket) - this.cursor += adjustment; - else if (this.cursor > c_bra) - this.cursor = c_bra; - return adjustment; - }, - slice_check: function () { - if (this.bra < 0 || this.bra > this.ket || this.ket > this.limit - || this.limit > current.length) - throw ("faulty slice operation"); - }, - slice_from: function (s) { - this.slice_check(); - this.replace_s(this.bra, this.ket, s); - }, - slice_del: function () { - this.slice_from(""); - }, - insert: function (c_bra, c_ket, s) { - var adjustment = this.replace_s(c_bra, c_ket, s); - if (c_bra <= this.bra) - this.bra += adjustment; - if (c_bra <= this.ket) - this.ket += adjustment; - }, - slice_to: function () { - this.slice_check(); - return current.substring(this.bra, this.ket); - }, - eq_v_b: function (s) { - return this.eq_s_b(s.length, s); - } - }; - } - }; - - lunr.trimmerSupport = { - generateTrimmer: function (wordCharacters) { - var startRegex = new RegExp("^[^" + wordCharacters + "]+") - var endRegex = new RegExp("[^" + wordCharacters + "]+$") - - return function (token) { - // for lunr version 2 - if (typeof token.update === "function") { - return token.update(function (s) { - return s - .replace(startRegex, '') - .replace(endRegex, ''); - }) - } else { // for lunr version 1 - return token - .replace(startRegex, '') - .replace(endRegex, ''); - } - }; - } - } - } -})); |