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Diffstat (limited to 'themes/LoveIt/assets/lib/lunr/lunr.stemmer.support.js')
-rw-r--r-- | themes/LoveIt/assets/lib/lunr/lunr.stemmer.support.js | 304 |
1 files changed, 304 insertions, 0 deletions
diff --git a/themes/LoveIt/assets/lib/lunr/lunr.stemmer.support.js b/themes/LoveIt/assets/lib/lunr/lunr.stemmer.support.js new file mode 100644 index 0000000..00386cb --- /dev/null +++ b/themes/LoveIt/assets/lib/lunr/lunr.stemmer.support.js @@ -0,0 +1,304 @@ +/*! + * 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, ''); + } + }; + } + } + } +})); |