/**
* Text parsing and tokenizing related functions.
* @namespace
*/
Bravey.Text = {};
Bravey.Text.WORDSEP = "[^(a-zA-ZA-Яa-я0-9_!?.:)+\s]*";
Bravey.Text.TRIMSTART = new RegExp("^(" + Bravey.Text.WORDSEP + ")", "gi");
Bravey.Text.TRIMEND = new RegExp("(" + Bravey.Text.WORDSEP + ")$", "gi");
/**
* Generate a random GUID.
* @returns {string} The generated GUID.
*/
Bravey.Text.generateGUID = function() {
function s4() {
return Math.floor((1 + Math.random()) * 0x10000)
.toString(16)
.substring(1);
}
return s4() + s4() + '-' + s4() + '-' + s4() + '-' + s4() + '-' + s4() + s4() + s4();
}
/**
* Counts the not empty <tt>positions</tt> of <tt>match</tt>.
* @param {string[]} match - The array to check.
* @param {number[]} positions - The positions to check.
* @returns {number} The count of filled positions.
*/
Bravey.Text.calculateScore = function(match, positions) {
var score = 0;
for (var i = 0; i < positions.length; i++)
if (match[positions[i]]) score++;
return score;
}
/**
* Trims a structured entity, usually produced by an entity recognizer. It moves the entity starting position and changes its string to its trimmed version.
* @param {Entity} ent - The entity to be processed.
* @returns {Entity} The trimmed entity.
*/
Bravey.Text.entityTrim = function(ent) {
var firstText = ent.string.match(Bravey.Text.TRIMSTART);
var lastText = ent.string.match(Bravey.Text.TRIMEND);
var firstlen = firstText ? firstText[0].length : 0;
var lastlen = lastText ? lastText[0].length : 0;
ent.position += firstlen;
ent.string = ent.string.substr(firstlen, ent.string.length - firstlen - lastlen);
return ent;
}
/**
* Creates a regular expression generator, which matches multiple alternative strings and can return its value.
* @constructor
* @param {string[]} map[].str - The strings to be matched. Use ~ as first or last character for indicating a whole word.
* @param {any} map[].val - The match value.
* @param {string} def - The default value to return when a value is not found.
*/
Bravey.Text.RegexMap = function(map, def) {
for (var i = 0; i < map.length; i++) {
map[i].mtch = [];
for (var j = 0; j < map[i].str.length; j++)
map[i].mtch.push(map[i].str[j].replace(/~/g, ""));
}
/**
* Produces the relative regular expression chunk.
* @param {boolean} [must=false] - Specify if the regular expression chunk must be found in order to match.
* @returns {string} The regular expression chunk.
*/
this.regex = function(must) {
var out = "(";
for (var i = 0; i < map.length; i++)
for (var j = 0; j < map[i].str.length; j++)
out += map[i].str[j].replace(/~/g, "\\b") + "|";
return out.substr(0, out.length - 1) + ")" + (must ? "" : "?");
}
/**
* Look for a value in <tt>matches</tt> at given <tt>pos</tt> position and checks its value. When not found constructor default or <tt>ldef</tt> is returned.
* @param {string[]} matches - The values set to be check.
* @param {number} pos - The position in <tt>matches</tt> to be checked.
* @param {any} [ldef=(constructor def)] - Value to be returned if value doesn't match.
* @returns {string} The matched value.
*/
this.get = function(matches, pos, ldef) {
for (var i = 0; i < map.length; i++)
for (var j = 0; j < map[i].mtch.length; j++)
if (matches[pos] == map[i].mtch[j])
return map[i].val;
return ldef == undefined ? def : ldef;
}
}
/**
* Returns unique values of an array.
* @param {string[]} list - The array to be processed.
* @returns {string[]} Unique values of <tt>list</tt>.
*/
Bravey.Text.unique = function(list) {
var u = {},
a = [];
for (var i = 0, l = list.length; i < l; ++i) {
if (u.hasOwnProperty(list[i])) {
continue;
}
a.push(list[i]);
u[list[i]] = 1;
}
return a;
};
/**
* Clean text from diactrics, trims, removes double spaces and converts to lower case.
* @param {string} text - The text to be cleaned
* @returns {string} The cleaned text.
*/
Bravey.Text.clean = function(text) {
return Bravey.Text.removeDiacritics(text).toLowerCase().trim().replace(/ +(?= )/g, '').replace(/[()\[\]]/g, '');
}
/**
* Adds zeroes to the left of <tt>n</tt> until the length <tt>width</tt> is reached.
* @param {number} n - The number to be padded.
* @param {number} width - The string length to be reached.
* @param {z} [z="0"] - The symbol to be used for padding.
* @returns {string} The padded value of <tt>n</tt>.
*/
Bravey.Text.pad = function(n, width, z) {
z = z || '0';
n = n + '';
return n.length >= width ? n : new Array(width - n.length + 1).join(z) + n;
}
/**
* Tokenize a string, splitting for non-words.
* @param {string} text - The string to be tokenized.
* @returns {string[]} The tokenized string.
*/
Bravey.Text.tokenize = function(text) {
var sanitized = text.replace(/[^(a-zA-ZA-Яa-я0-9_)+\s]/g, ' ').trim().replace(/ +(?= )/g, '');
return Bravey.Text.unique(sanitized.split(/\s+/));
}
Bravey.DATA.diacriticsMap = {};
/**
* Remove diatrics from a sentence, replacing them with not-diatrics representation.
* @param {string} text - The string to be processed
* @returns {string} The text without diatrics.
*/
Bravey.Text.removeDiacritics = function(text) {
return text.replace(/[^\u0000-\u007E]/g, function(a) {
return Bravey.DATA.diacriticsMap[a] || a;
});
};
(function() {
defaultDiacriticsRemovalap = [{
base: ' ',
letters: "\u00A0",
}, {
base: '0',
letters: "\u07C0",
}, {
base: 'A',
letters: "\u24B6\uFF21\u00C0\u00C1\u00C2\u1EA6\u1EA4\u1EAA\u1EA8\u00C3\u0100\u0102\u1EB0\u1EAE\u1EB4\u1EB2\u0226\u01E0\u00C4\u01DE\u1EA2\u00C5\u01FA\u01CD\u0200\u0202\u1EA0\u1EAC\u1EB6\u1E00\u0104\u023A\u2C6F",
}, {
base: 'AA',
letters: "\uA732",
}, {
base: 'AE',
letters: "\u00C6\u01FC\u01E2",
}, {
base: 'AO',
letters: "\uA734",
}, {
base: 'AU',
letters: "\uA736",
}, {
base: 'AV',
letters: "\uA738\uA73A",
}, {
base: 'AY',
letters: "\uA73C",
}, {
base: 'B',
letters: "\u24B7\uFF22\u1E02\u1E04\u1E06\u0243\u0181",
}, {
base: 'C',
letters: "\u24b8\uff23\uA73E\u1E08\u0106\u0043\u0108\u010A\u010C\u00C7\u0187\u023B",
}, {
base: 'D',
letters: "\u24B9\uFF24\u1E0A\u010E\u1E0C\u1E10\u1E12\u1E0E\u0110\u018A\u0189\u1D05\uA779",
}, {
base: 'Dh',
letters: "\u00D0",
}, {
base: 'DZ',
letters: "\u01F1\u01C4",
}, {
base: 'Dz',
letters: "\u01F2\u01C5",
}, {
base: 'E',
letters: "\u025B\u24BA\uFF25\u00C8\u00C9\u00CA\u1EC0\u1EBE\u1EC4\u1EC2\u1EBC\u0112\u1E14\u1E16\u0114\u0116\u00CB\u1EBA\u011A\u0204\u0206\u1EB8\u1EC6\u0228\u1E1C\u0118\u1E18\u1E1A\u0190\u018E\u1D07",
}, {
base: 'F',
letters: "\uA77C\u24BB\uFF26\u1E1E\u0191\uA77B",
}, {
base: 'G',
letters: "\u24BC\uFF27\u01F4\u011C\u1E20\u011E\u0120\u01E6\u0122\u01E4\u0193\uA7A0\uA77D\uA77E\u0262",
}, {
base: 'H',
letters: "\u24BD\uFF28\u0124\u1E22\u1E26\u021E\u1E24\u1E28\u1E2A\u0126\u2C67\u2C75\uA78D",
}, {
base: 'I',
letters: "\u24BE\uFF29\xCC\xCD\xCE\u0128\u012A\u012C\u0130\xCF\u1E2E\u1EC8\u01CF\u0208\u020A\u1ECA\u012E\u1E2C\u0197",
}, {
base: 'J',
letters: "\u24BF\uFF2A\u0134\u0248\u0237",
}, {
base: 'K',
letters: "\u24C0\uFF2B\u1E30\u01E8\u1E32\u0136\u1E34\u0198\u2C69\uA740\uA742\uA744\uA7A2",
}, {
base: 'L',
letters: "\u24C1\uFF2C\u013F\u0139\u013D\u1E36\u1E38\u013B\u1E3C\u1E3A\u0141\u023D\u2C62\u2C60\uA748\uA746\uA780",
}, {
base: 'LJ',
letters: "\u01C7",
}, {
base: 'Lj',
letters: "\u01C8",
}, {
base: 'M',
letters: "\u24C2\uFF2D\u1E3E\u1E40\u1E42\u2C6E\u019C\u03FB",
}, {
base: 'N',
letters: "\uA7A4\u0220\u24C3\uFF2E\u01F8\u0143\xD1\u1E44\u0147\u1E46\u0145\u1E4A\u1E48\u019D\uA790\u1D0E",
}, {
base: 'NJ',
letters: "\u01CA",
}, {
base: 'Nj',
letters: "\u01CB",
}, {
base: 'O',
letters: "\u24C4\uFF2F\xD2\xD3\xD4\u1ED2\u1ED0\u1ED6\u1ED4\xD5\u1E4C\u022C\u1E4E\u014C\u1E50\u1E52\u014E\u022E\u0230\xD6\u022A\u1ECE\u0150\u01D1\u020C\u020E\u01A0\u1EDC\u1EDA\u1EE0\u1EDE\u1EE2\u1ECC\u1ED8\u01EA\u01EC\xD8\u01FE\u0186\u019F\uA74A\uA74C",
}, {
base: 'OE',
letters: "\u0152",
}, {
base: 'OI',
letters: "\u01A2",
}, {
base: 'OO',
letters: "\uA74E",
}, {
base: 'OU',
letters: "\u0222",
}, {
base: 'P',
letters: "\u24C5\uFF30\u1E54\u1E56\u01A4\u2C63\uA750\uA752\uA754",
}, {
base: 'Q',
letters: "\u24C6\uFF31\uA756\uA758\u024A",
}, {
base: 'R',
letters: "\u24C7\uFF32\u0154\u1E58\u0158\u0210\u0212\u1E5A\u1E5C\u0156\u1E5E\u024C\u2C64\uA75A\uA7A6\uA782",
}, {
base: 'S',
letters: "\u24C8\uFF33\u1E9E\u015A\u1E64\u015C\u1E60\u0160\u1E66\u1E62\u1E68\u0218\u015E\u2C7E\uA7A8\uA784",
}, {
base: 'T',
letters: "\u24C9\uFF34\u1E6A\u0164\u1E6C\u021A\u0162\u1E70\u1E6E\u0166\u01AC\u01AE\u023E\uA786",
}, {
base: 'Th',
letters: "\u00DE",
}, {
base: 'TZ',
letters: "\uA728",
}, {
base: 'U',
letters: "\u24CA\uFF35\xD9\xDA\xDB\u0168\u1E78\u016A\u1E7A\u016C\xDC\u01DB\u01D7\u01D5\u01D9\u1EE6\u016E\u0170\u01D3\u0214\u0216\u01AF\u1EEA\u1EE8\u1EEE\u1EEC\u1EF0\u1EE4\u1E72\u0172\u1E76\u1E74\u0244",
}, {
base: 'V',
letters: "\u24CB\uFF36\u1E7C\u1E7E\u01B2\uA75E\u0245",
}, {
base: 'VY',
letters: "\uA760",
}, {
base: 'W',
letters: "\u24CC\uFF37\u1E80\u1E82\u0174\u1E86\u1E84\u1E88\u2C72",
}, {
base: 'X',
letters: "\u24CD\uFF38\u1E8A\u1E8C",
}, {
base: 'Y',
letters: "\u24CE\uFF39\u1EF2\xDD\u0176\u1EF8\u0232\u1E8E\u0178\u1EF6\u1EF4\u01B3\u024E\u1EFE",
}, {
base: 'Z',
letters: "\u24CF\uFF3A\u0179\u1E90\u017B\u017D\u1E92\u1E94\u01B5\u0224\u2C7F\u2C6B\uA762",
}, {
base: 'a',
letters: "\u24D0\uFF41\u1E9A\u00E0\u00E1\u00E2\u1EA7\u1EA5\u1EAB\u1EA9\u00E3\u0101\u0103\u1EB1\u1EAF\u1EB5\u1EB3\u0227\u01E1\u00E4\u01DF\u1EA3\u00E5\u01FB\u01CE\u0201\u0203\u1EA1\u1EAD\u1EB7\u1E01\u0105\u2C65\u0250\u0251",
}, {
base: 'aa',
letters: "\uA733",
}, {
base: 'ae',
letters: "\u00E6\u01FD\u01E3",
}, {
base: 'ao',
letters: "\uA735",
}, {
base: 'au',
letters: "\uA737",
}, {
base: 'av',
letters: "\uA739\uA73B",
}, {
base: 'ay',
letters: "\uA73D",
}, {
base: 'b',
letters: "\u24D1\uFF42\u1E03\u1E05\u1E07\u0180\u0183\u0253\u0182",
}, {
base: 'c',
letters: "\uFF43\u24D2\u0107\u0109\u010B\u010D\u00E7\u1E09\u0188\u023C\uA73F\u2184",
}, {
base: 'd',
letters: "\u24D3\uFF44\u1E0B\u010F\u1E0D\u1E11\u1E13\u1E0F\u0111\u018C\u0256\u0257\u018B\u13E7\u0501\uA7AA",
}, {
base: 'dh',
letters: "\u00F0",
}, {
base: 'dz',
letters: "\u01F3\u01C6",
}, {
base: 'e',
letters: "\u24D4\uFF45\u00E8\u00E9\u00EA\u1EC1\u1EBF\u1EC5\u1EC3\u1EBD\u0113\u1E15\u1E17\u0115\u0117\u00EB\u1EBB\u011B\u0205\u0207\u1EB9\u1EC7\u0229\u1E1D\u0119\u1E19\u1E1B\u0247\u01DD",
}, {
base: 'f',
letters: "\u24D5\uFF46\u1E1F\u0192",
}, {
base: 'ff',
letters: "\uFB00",
}, {
base: 'fi',
letters: "\uFB01",
}, {
base: 'fl',
letters: "\uFB02",
}, {
base: 'ffi',
letters: "\uFB03",
}, {
base: 'ffl',
letters: "\uFB04",
}, {
base: 'g',
letters: "\u24D6\uFF47\u01F5\u011D\u1E21\u011F\u0121\u01E7\u0123\u01E5\u0260\uA7A1\uA77F\u1D79",
}, {
base: 'h',
letters: "\u24D7\uFF48\u0125\u1E23\u1E27\u021F\u1E25\u1E29\u1E2B\u1E96\u0127\u2C68\u2C76\u0265",
}, {
base: 'hv',
letters: "\u0195",
}, {
base: 'i',
letters: "\u24D8\uFF49\xEC\xED\xEE\u0129\u012B\u012D\xEF\u1E2F\u1EC9\u01D0\u0209\u020B\u1ECB\u012F\u1E2D\u0268\u0131",
}, {
base: 'j',
letters: "\u24D9\uFF4A\u0135\u01F0\u0249",
}, {
base: 'k',
letters: "\u24DA\uFF4B\u1E31\u01E9\u1E33\u0137\u1E35\u0199\u2C6A\uA741\uA743\uA745\uA7A3",
}, {
base: 'l',
letters: "\u24DB\uFF4C\u0140\u013A\u013E\u1E37\u1E39\u013C\u1E3D\u1E3B\u017F\u0142\u019A\u026B\u2C61\uA749\uA781\uA747\u026D",
}, {
base: 'lj',
letters: "\u01C9",
}, {
base: 'm',
letters: "\u24DC\uFF4D\u1E3F\u1E41\u1E43\u0271\u026F",
}, {
base: 'n',
letters: "\u24DD\uFF4E\u01F9\u0144\xF1\u1E45\u0148\u1E47\u0146\u1E4B\u1E49\u019E\u0272\u0149\uA791\uA7A5\u043B\u0509",
}, {
base: 'nj',
letters: "\u01CC",
}, {
base: 'o',
letters: "\u24DE\uFF4F\xF2\xF3\xF4\u1ED3\u1ED1\u1ED7\u1ED5\xF5\u1E4D\u022D\u1E4F\u014D\u1E51\u1E53\u014F\u022F\u0231\xF6\u022B\u1ECF\u0151\u01D2\u020D\u020F\u01A1\u1EDD\u1EDB\u1EE1\u1EDF\u1EE3\u1ECD\u1ED9\u01EB\u01ED\xF8\u01FF\uA74B\uA74D\u0275\u0254\u1D11",
}, {
base: 'oe',
letters: "\u0153",
}, {
base: 'oi',
letters: "\u01A3",
}, {
base: 'oo',
letters: "\uA74F",
}, {
base: 'ou',
letters: "\u0223",
}, {
base: 'p',
letters: "\u24DF\uFF50\u1E55\u1E57\u01A5\u1D7D\uA751\uA753\uA755\u03C1",
}, {
base: 'q',
letters: "\u24E0\uFF51\u024B\uA757\uA759",
}, {
base: 'r',
letters: "\u24E1\uFF52\u0155\u1E59\u0159\u0211\u0213\u1E5B\u1E5D\u0157\u1E5F\u024D\u027D\uA75B\uA7A7\uA783",
}, {
base: 's',
letters: "\u24E2\uFF53\u015B\u1E65\u015D\u1E61\u0161\u1E67\u1E63\u1E69\u0219\u015F\u023F\uA7A9\uA785\u1E9B\u0282",
}, {
base: 'ss',
letters: "\xDF",
}, {
base: 't',
letters: "\u24E3\uFF54\u1E6B\u1E97\u0165\u1E6D\u021B\u0163\u1E71\u1E6F\u0167\u01AD\u0288\u2C66\uA787",
}, {
base: 'th',
letters: "\u00FE",
}, {
base: 'tz',
letters: "\uA729",
}, {
base: 'u',
letters: "\u24E4\uFF55\xF9\xFA\xFB\u0169\u1E79\u016B\u1E7B\u016D\xFC\u01DC\u01D8\u01D6\u01DA\u1EE7\u016F\u0171\u01D4\u0215\u0217\u01B0\u1EEB\u1EE9\u1EEF\u1EED\u1EF1\u1EE5\u1E73\u0173\u1E77\u1E75\u0289",
}, {
base: 'v',
letters: "\u24E5\uFF56\u1E7D\u1E7F\u028B\uA75F\u028C",
}, {
base: 'vy',
letters: "\uA761",
}, {
base: 'w',
letters: "\u24E6\uFF57\u1E81\u1E83\u0175\u1E87\u1E85\u1E98\u1E89\u2C73",
}, {
base: 'x',
letters: "\u24E7\uFF58\u1E8B\u1E8D",
}, {
base: 'y',
letters: "\u24E8\uFF59\u1EF3\xFD\u0177\u1EF9\u0233\u1E8F\xFF\u1EF7\u1E99\u1EF5\u01B4\u024F\u1EFF",
}, {
base: 'z',
letters: "\u24E9\uFF5A\u017A\u1E91\u017C\u017E\u1E93\u1E95\u01B6\u0225\u0240\u2C6C\uA763",
}];
for (var i = 0; i < defaultDiacriticsRemovalap.length; i++) {
var letters = defaultDiacriticsRemovalap[i].letters;
for (var j = 0; j < letters.length; j++)
Bravey.DATA.diacriticsMap[letters[j]] = defaultDiacriticsRemovalap[i].base;
}
})();