language_data.js

/*
 * language_data.js
 * ~~~~~~~~~~~~~~~~
 *
 * This script contains the language-specific data used by searchtools.js,
 * namely the list of stopwords, stemmer, scorer and splitter.
 *
 * :copyright: Copyright 2007-2020 by the Sphinx team, see AUTHORS.
 * :license: BSD, see LICENSE for details.
 *
 */

var stopwords = [
  "a",
  "and",
  "are",
  "as",
  "at",
  "be",
  "but",
  "by",
  "for",
  "if",
  "in",
  "into",
  "is",
  "it",
  "near",
  "no",
  "not",
  "of",
  "on",
  "or",
  "such",
  "that",
  "the",
  "their",
  "then",
  "there",
  "these",
  "they",
  "this",
  "to",
  "was",
  "will",
  "with",
];

/* Non-minified version JS is _stemmer.js if file is provided */
/**
 * Porter Stemmer
 */
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",
  };

  var step3list = {
    icate: "ic",
    ative: "",
    alize: "al",
    iciti: "ic",
    ical: "ic",
    ful: "",
    ness: "",
  };

  var c = "[^aeiou]"; // consonant
  var v = "[aeiouy]"; // vowel
  var C = c + "[^aeiouy]*"; // consonant sequence
  var V = v + "[aeiou]*"; // vowel sequence

  var mgr0 = "^(" + C + ")?" + V + C; // [C]VC... is m>0
  var meq1 = "^(" + C + ")?" + V + C + "(" + V + ")?$"; // [C]VC[V] is m=1
  var mgr1 = "^(" + C + ")?" + V + C + V + C; // [C]VCVC... is m>1
  var s_v = "^(" + C + ")?" + v; // vowel in stem

  this.stemWord = function (w) {
    var stem;
    var suffix;
    var firstch;
    var origword = w;

    if (w.length < 3) return w;

    var re;
    var re2;
    var re3;
    var re4;

    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;
  };
};

var splitChars = (function () {
  var result = {};
  var singles = [
    96, 180, 187, 191, 215, 247, 749, 885, 903, 907, 909, 930, 1014, 1648, 1748,
    1809, 2416, 2473, 2481, 2526, 2601, 2609, 2612, 2615, 2653, 2702, 2706,
    2729, 2737, 2740, 2857, 2865, 2868, 2910, 2928, 2948, 2961, 2971, 2973,
    3085, 3089, 3113, 3124, 3213, 3217, 3241, 3252, 3295, 3341, 3345, 3369,
    3506, 3516, 3633, 3715, 3721, 3736, 3744, 3748, 3750, 3756, 3761, 3781,
    3912, 4239, 4347, 4681, 4695, 4697, 4745, 4785, 4799, 4801, 4823, 4881,
    5760, 5901, 5997, 6313, 7405, 8024, 8026, 8028, 8030, 8117, 8125, 8133,
    8181, 8468, 8485, 8487, 8489, 8494, 8527, 11311, 11359, 11687, 11695, 11703,
    11711, 11719, 11727, 11735, 12448, 12539, 43010, 43014, 43019, 43587, 43696,
    43713, 64286, 64297, 64311, 64317, 64319, 64322, 64325, 65141,
  ];
  var i, j, start, end;
  for (i = 0; i < singles.length; i++) {
    result[singles[i]] = true;
  }
  var ranges = [
    [0, 47],
    [58, 64],
    [91, 94],
    [123, 169],
    [171, 177],
    [182, 184],
    [706, 709],
    [722, 735],
    [741, 747],
    [751, 879],
    [888, 889],
    [894, 901],
    [1154, 1161],
    [1318, 1328],
    [1367, 1368],
    [1370, 1376],
    [1416, 1487],
    [1515, 1519],
    [1523, 1568],
    [1611, 1631],
    [1642, 1645],
    [1750, 1764],
    [1767, 1773],
    [1789, 1790],
    [1792, 1807],
    [1840, 1868],
    [1958, 1968],
    [1970, 1983],
    [2027, 2035],
    [2038, 2041],
    [2043, 2047],
    [2070, 2073],
    [2075, 2083],
    [2085, 2087],
    [2089, 2307],
    [2362, 2364],
    [2366, 2383],
    [2385, 2391],
    [2402, 2405],
    [2419, 2424],
    [2432, 2436],
    [2445, 2446],
    [2449, 2450],
    [2483, 2485],
    [2490, 2492],
    [2494, 2509],
    [2511, 2523],
    [2530, 2533],
    [2546, 2547],
    [2554, 2564],
    [2571, 2574],
    [2577, 2578],
    [2618, 2648],
    [2655, 2661],
    [2672, 2673],
    [2677, 2692],
    [2746, 2748],
    [2750, 2767],
    [2769, 2783],
    [2786, 2789],
    [2800, 2820],
    [2829, 2830],
    [2833, 2834],
    [2874, 2876],
    [2878, 2907],
    [2914, 2917],
    [2930, 2946],
    [2955, 2957],
    [2966, 2968],
    [2976, 2978],
    [2981, 2983],
    [2987, 2989],
    [3002, 3023],
    [3025, 3045],
    [3059, 3076],
    [3130, 3132],
    [3134, 3159],
    [3162, 3167],
    [3170, 3173],
    [3184, 3191],
    [3199, 3204],
    [3258, 3260],
    [3262, 3293],
    [3298, 3301],
    [3312, 3332],
    [3386, 3388],
    [3390, 3423],
    [3426, 3429],
    [3446, 3449],
    [3456, 3460],
    [3479, 3481],
    [3518, 3519],
    [3527, 3584],
    [3636, 3647],
    [3655, 3663],
    [3674, 3712],
    [3717, 3718],
    [3723, 3724],
    [3726, 3731],
    [3752, 3753],
    [3764, 3772],
    [3774, 3775],
    [3783, 3791],
    [3802, 3803],
    [3806, 3839],
    [3841, 3871],
    [3892, 3903],
    [3949, 3975],
    [3980, 4095],
    [4139, 4158],
    [4170, 4175],
    [4182, 4185],
    [4190, 4192],
    [4194, 4196],
    [4199, 4205],
    [4209, 4212],
    [4226, 4237],
    [4250, 4255],
    [4294, 4303],
    [4349, 4351],
    [4686, 4687],
    [4702, 4703],
    [4750, 4751],
    [4790, 4791],
    [4806, 4807],
    [4886, 4887],
    [4955, 4968],
    [4989, 4991],
    [5008, 5023],
    [5109, 5120],
    [5741, 5742],
    [5787, 5791],
    [5867, 5869],
    [5873, 5887],
    [5906, 5919],
    [5938, 5951],
    [5970, 5983],
    [6001, 6015],
    [6068, 6102],
    [6104, 6107],
    [6109, 6111],
    [6122, 6127],
    [6138, 6159],
    [6170, 6175],
    [6264, 6271],
    [6315, 6319],
    [6390, 6399],
    [6429, 6469],
    [6510, 6511],
    [6517, 6527],
    [6572, 6592],
    [6600, 6607],
    [6619, 6655],
    [6679, 6687],
    [6741, 6783],
    [6794, 6799],
    [6810, 6822],
    [6824, 6916],
    [6964, 6980],
    [6988, 6991],
    [7002, 7042],
    [7073, 7085],
    [7098, 7167],
    [7204, 7231],
    [7242, 7244],
    [7294, 7400],
    [7410, 7423],
    [7616, 7679],
    [7958, 7959],
    [7966, 7967],
    [8006, 8007],
    [8014, 8015],
    [8062, 8063],
    [8127, 8129],
    [8141, 8143],
    [8148, 8149],
    [8156, 8159],
    [8173, 8177],
    [8189, 8303],
    [8306, 8307],
    [8314, 8318],
    [8330, 8335],
    [8341, 8449],
    [8451, 8454],
    [8456, 8457],
    [8470, 8472],
    [8478, 8483],
    [8506, 8507],
    [8512, 8516],
    [8522, 8525],
    [8586, 9311],
    [9372, 9449],
    [9472, 10101],
    [10132, 11263],
    [11493, 11498],
    [11503, 11516],
    [11518, 11519],
    [11558, 11567],
    [11622, 11630],
    [11632, 11647],
    [11671, 11679],
    [11743, 11822],
    [11824, 12292],
    [12296, 12320],
    [12330, 12336],
    [12342, 12343],
    [12349, 12352],
    [12439, 12444],
    [12544, 12548],
    [12590, 12592],
    [12687, 12689],
    [12694, 12703],
    [12728, 12783],
    [12800, 12831],
    [12842, 12880],
    [12896, 12927],
    [12938, 12976],
    [12992, 13311],
    [19894, 19967],
    [40908, 40959],
    [42125, 42191],
    [42238, 42239],
    [42509, 42511],
    [42540, 42559],
    [42592, 42593],
    [42607, 42622],
    [42648, 42655],
    [42736, 42774],
    [42784, 42785],
    [42889, 42890],
    [42893, 43002],
    [43043, 43055],
    [43062, 43071],
    [43124, 43137],
    [43188, 43215],
    [43226, 43249],
    [43256, 43258],
    [43260, 43263],
    [43302, 43311],
    [43335, 43359],
    [43389, 43395],
    [43443, 43470],
    [43482, 43519],
    [43561, 43583],
    [43596, 43599],
    [43610, 43615],
    [43639, 43641],
    [43643, 43647],
    [43698, 43700],
    [43703, 43704],
    [43710, 43711],
    [43715, 43738],
    [43742, 43967],
    [44003, 44015],
    [44026, 44031],
    [55204, 55215],
    [55239, 55242],
    [55292, 55295],
    [57344, 63743],
    [64046, 64047],
    [64110, 64111],
    [64218, 64255],
    [64263, 64274],
    [64280, 64284],
    [64434, 64466],
    [64830, 64847],
    [64912, 64913],
    [64968, 65007],
    [65020, 65135],
    [65277, 65295],
    [65306, 65312],
    [65339, 65344],
    [65371, 65381],
    [65471, 65473],
    [65480, 65481],
    [65488, 65489],
    [65496, 65497],
  ];
  for (i = 0; i < ranges.length; i++) {
    start = ranges[i][0];
    end = ranges[i][1];
    for (j = start; j <= end; j++) {
      result[j] = true;
    }
  }
  return result;
})();

function splitQuery(query) {
  var result = [];
  var start = -1;
  for (var i = 0; i < query.length; i++) {
    if (splitChars[query.charCodeAt(i)]) {
      if (start !== -1) {
        result.push(query.slice(start, i));
        start = -1;
      }
    } else if (start === -1) {
      start = i;
    }
  }
  if (start !== -1) {
    result.push(query.slice(start));
  }
  return result;
}