맹주환 / take_an_umbrella

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sbcs.js 40.1 KB
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var util = require('util'),
  Match = require ('../match');

/**
 * This class recognizes single-byte encodings. Because the encoding scheme is so
 * simple, language statistics are used to do the matching.
 */

function NGramParser(theNgramList, theByteMap) {
  var N_GRAM_MASK = 0xFFFFFF;

  this.byteIndex = 0;
  this.ngram = 0;

  this.ngramList = theNgramList;
  this.byteMap = theByteMap;

  this.ngramCount = 0;
  this.hitCount = 0;

  this.spaceChar;

  /*
   * Binary search for value in table, which must have exactly 64 entries.
   */
  this.search = function(table, value) {
    var index = 0;

    if (table[index + 32] <= value) index += 32;
    if (table[index + 16] <= value) index += 16;
    if (table[index + 8]  <= value) index += 8;
    if (table[index + 4]  <= value) index += 4;
    if (table[index + 2]  <= value) index += 2;
    if (table[index + 1]  <= value) index += 1;
    if (table[index]      > value)  index -= 1;

    if (index < 0 || table[index] != value)
      return -1;

    return index;
  };

  this.lookup = function(thisNgram) {
    this.ngramCount += 1;
    if (this.search(this.ngramList, thisNgram) >= 0) {
      this.hitCount += 1;
    }
  };

  this.addByte = function(b) {
    this.ngram = ((this.ngram << 8) + (b & 0xFF)) & N_GRAM_MASK;
    this.lookup(this.ngram);
  }

  this.nextByte = function(det) {
    if (this.byteIndex >= det.fInputLen)
      return -1;

    return det.fInputBytes[this.byteIndex++] & 0xFF;
  }

  this.parse = function(det, spaceCh) {
    var b, ignoreSpace = false;
    this.spaceChar = spaceCh;

    while ((b = this.nextByte(det)) >= 0) {
      var mb = this.byteMap[b];

      // TODO: 0x20 might not be a space in all character sets...
      if (mb != 0) {
        if (!(mb == this.spaceChar && ignoreSpace)) {
          this.addByte(mb);
        }

        ignoreSpace = (mb == this.spaceChar);
      }
    }

    // TODO: Is this OK? The buffer could have ended in the middle of a word...
    this.addByte(this.spaceChar);

    var rawPercent = this.hitCount / this.ngramCount;

    // TODO - This is a bit of a hack to take care of a case
    // were we were getting a confidence of 135...
    if (rawPercent > 0.33)
      return 98;

    return Math.floor(rawPercent * 300.0);
  };
};

function NGramsPlusLang(la, ng) {
  this.fLang = la;
  this.fNGrams = ng;
};

function sbcs() {};
sbcs.prototype.spaceChar = 0x20;
sbcs.prototype.ngrams = function() {};
sbcs.prototype.byteMap = function() {};
sbcs.prototype.match = function(det) {

  var ngrams = this.ngrams();
  var multiple = (Array.isArray(ngrams) && ngrams[0] instanceof NGramsPlusLang);

  if (!multiple) {
    var parser = new NGramParser(ngrams, this.byteMap());
    var confidence = parser.parse(det, this.spaceChar);
    return confidence <= 0 ? null : new Match(det, this, confidence);
  }

  var bestConfidenceSoFar = -1;
  var lang = null;

  for (var i = ngrams.length - 1; i >= 0; i--) {
    var ngl = ngrams[i];

    var parser = new NGramParser(ngl.fNGrams, this.byteMap());
    var confidence = parser.parse(det, this.spaceChar);
    if (confidence > bestConfidenceSoFar) {
      bestConfidenceSoFar = confidence;
      lang = ngl.fLang;
    }
  }

  var name = this.name(det);
  return bestConfidenceSoFar <= 0 ? null : new Match(det, this, bestConfidenceSoFar, name, lang);
};


module.exports.ISO_8859_1 = function() {
  this.byteMap = function() {
    return [
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x00,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
      0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F,
      0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
      0x78, 0x79, 0x7A, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
      0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F,
      0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
      0x78, 0x79, 0x7A, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0xAA, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0xB5, 0x20, 0x20,
      0x20, 0x20, 0xBA, 0x20, 0x20, 0x20, 0x20, 0x20,
      0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7,
      0xE8, 0xE9, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF,
      0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0x20,
      0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE, 0xDF,
      0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7,
      0xE8, 0xE9, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF,
      0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0x20,
      0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE, 0xFF
    ];
  };

  this.ngrams = function() {
    return [
      new NGramsPlusLang('da', [
        0x206166, 0x206174, 0x206465, 0x20656E, 0x206572, 0x20666F, 0x206861, 0x206920,
        0x206D65, 0x206F67, 0x2070E5, 0x207369, 0x207374, 0x207469, 0x207669, 0x616620,
        0x616E20, 0x616E64, 0x617220, 0x617420, 0x646520, 0x64656E, 0x646572, 0x646574,
        0x652073, 0x656420, 0x656465, 0x656E20, 0x656E64, 0x657220, 0x657265, 0x657320,
        0x657420, 0x666F72, 0x676520, 0x67656E, 0x676572, 0x696765, 0x696C20, 0x696E67,
        0x6B6520, 0x6B6B65, 0x6C6572, 0x6C6967, 0x6C6C65, 0x6D6564, 0x6E6465, 0x6E6520,
        0x6E6720, 0x6E6765, 0x6F6720, 0x6F6D20, 0x6F7220, 0x70E520, 0x722064, 0x722065,
        0x722073, 0x726520, 0x737465, 0x742073, 0x746520, 0x746572, 0x74696C, 0x766572
      ]),
      new NGramsPlusLang('de', [
        0x20616E, 0x206175, 0x206265, 0x206461, 0x206465, 0x206469, 0x206569, 0x206765,
        0x206861, 0x20696E, 0x206D69, 0x207363, 0x207365, 0x20756E, 0x207665, 0x20766F,
        0x207765, 0x207A75, 0x626572, 0x636820, 0x636865, 0x636874, 0x646173, 0x64656E,
        0x646572, 0x646965, 0x652064, 0x652073, 0x65696E, 0x656974, 0x656E20, 0x657220,
        0x657320, 0x67656E, 0x68656E, 0x687420, 0x696368, 0x696520, 0x696E20, 0x696E65,
        0x697420, 0x6C6963, 0x6C6C65, 0x6E2061, 0x6E2064, 0x6E2073, 0x6E6420, 0x6E6465,
        0x6E6520, 0x6E6720, 0x6E6765, 0x6E7465, 0x722064, 0x726465, 0x726569, 0x736368,
        0x737465, 0x742064, 0x746520, 0x74656E, 0x746572, 0x756E64, 0x756E67, 0x766572
      ]),
      new NGramsPlusLang('en', [
        0x206120, 0x20616E, 0x206265, 0x20636F, 0x20666F, 0x206861, 0x206865, 0x20696E,
        0x206D61, 0x206F66, 0x207072, 0x207265, 0x207361, 0x207374, 0x207468, 0x20746F,
        0x207768, 0x616964, 0x616C20, 0x616E20, 0x616E64, 0x617320, 0x617420, 0x617465,
        0x617469, 0x642061, 0x642074, 0x652061, 0x652073, 0x652074, 0x656420, 0x656E74,
        0x657220, 0x657320, 0x666F72, 0x686174, 0x686520, 0x686572, 0x696420, 0x696E20,
        0x696E67, 0x696F6E, 0x697320, 0x6E2061, 0x6E2074, 0x6E6420, 0x6E6720, 0x6E7420,
        0x6F6620, 0x6F6E20, 0x6F7220, 0x726520, 0x727320, 0x732061, 0x732074, 0x736169,
        0x737420, 0x742074, 0x746572, 0x746861, 0x746865, 0x74696F, 0x746F20, 0x747320
      ]),
      new NGramsPlusLang('es', [
        0x206120, 0x206361, 0x20636F, 0x206465, 0x20656C, 0x20656E, 0x206573, 0x20696E,
        0x206C61, 0x206C6F, 0x207061, 0x20706F, 0x207072, 0x207175, 0x207265, 0x207365,
        0x20756E, 0x207920, 0x612063, 0x612064, 0x612065, 0x61206C, 0x612070, 0x616369,
        0x61646F, 0x616C20, 0x617220, 0x617320, 0x6369F3, 0x636F6E, 0x646520, 0x64656C,
        0x646F20, 0x652064, 0x652065, 0x65206C, 0x656C20, 0x656E20, 0x656E74, 0x657320,
        0x657374, 0x69656E, 0x69F36E, 0x6C6120, 0x6C6F73, 0x6E2065, 0x6E7465, 0x6F2064,
        0x6F2065, 0x6F6E20, 0x6F7220, 0x6F7320, 0x706172, 0x717565, 0x726120, 0x726573,
        0x732064, 0x732065, 0x732070, 0x736520, 0x746520, 0x746F20, 0x756520, 0xF36E20
      ]),
      new NGramsPlusLang('fr', [
        0x206175, 0x20636F, 0x206461, 0x206465, 0x206475, 0x20656E, 0x206574, 0x206C61,
        0x206C65, 0x207061, 0x20706F, 0x207072, 0x207175, 0x207365, 0x20736F, 0x20756E,
        0x20E020, 0x616E74, 0x617469, 0x636520, 0x636F6E, 0x646520, 0x646573, 0x647520,
        0x652061, 0x652063, 0x652064, 0x652065, 0x65206C, 0x652070, 0x652073, 0x656E20,
        0x656E74, 0x657220, 0x657320, 0x657420, 0x657572, 0x696F6E, 0x697320, 0x697420,
        0x6C6120, 0x6C6520, 0x6C6573, 0x6D656E, 0x6E2064, 0x6E6520, 0x6E7320, 0x6E7420,
        0x6F6E20, 0x6F6E74, 0x6F7572, 0x717565, 0x72206C, 0x726520, 0x732061, 0x732064,
        0x732065, 0x73206C, 0x732070, 0x742064, 0x746520, 0x74696F, 0x756520, 0x757220
      ]),
      new NGramsPlusLang('it', [
        0x20616C, 0x206368, 0x20636F, 0x206465, 0x206469, 0x206520, 0x20696C, 0x20696E,
        0x206C61, 0x207065, 0x207072, 0x20756E, 0x612063, 0x612064, 0x612070, 0x612073,
        0x61746F, 0x636865, 0x636F6E, 0x64656C, 0x646920, 0x652061, 0x652063, 0x652064,
        0x652069, 0x65206C, 0x652070, 0x652073, 0x656C20, 0x656C6C, 0x656E74, 0x657220,
        0x686520, 0x692061, 0x692063, 0x692064, 0x692073, 0x696120, 0x696C20, 0x696E20,
        0x696F6E, 0x6C6120, 0x6C6520, 0x6C6920, 0x6C6C61, 0x6E6520, 0x6E6920, 0x6E6F20,
        0x6E7465, 0x6F2061, 0x6F2064, 0x6F2069, 0x6F2073, 0x6F6E20, 0x6F6E65, 0x706572,
        0x726120, 0x726520, 0x736920, 0x746120, 0x746520, 0x746920, 0x746F20, 0x7A696F
      ]),
      new NGramsPlusLang('nl', [
        0x20616C, 0x206265, 0x206461, 0x206465, 0x206469, 0x206565, 0x20656E, 0x206765,
        0x206865, 0x20696E, 0x206D61, 0x206D65, 0x206F70, 0x207465, 0x207661, 0x207665,
        0x20766F, 0x207765, 0x207A69, 0x61616E, 0x616172, 0x616E20, 0x616E64, 0x617220,
        0x617420, 0x636874, 0x646520, 0x64656E, 0x646572, 0x652062, 0x652076, 0x65656E,
        0x656572, 0x656E20, 0x657220, 0x657273, 0x657420, 0x67656E, 0x686574, 0x696520,
        0x696E20, 0x696E67, 0x697320, 0x6E2062, 0x6E2064, 0x6E2065, 0x6E2068, 0x6E206F,
        0x6E2076, 0x6E6465, 0x6E6720, 0x6F6E64, 0x6F6F72, 0x6F7020, 0x6F7220, 0x736368,
        0x737465, 0x742064, 0x746520, 0x74656E, 0x746572, 0x76616E, 0x766572, 0x766F6F
      ]),
      new NGramsPlusLang('no', [
        0x206174, 0x206176, 0x206465, 0x20656E, 0x206572, 0x20666F, 0x206861, 0x206920,
        0x206D65, 0x206F67, 0x2070E5, 0x207365, 0x20736B, 0x20736F, 0x207374, 0x207469,
        0x207669, 0x20E520, 0x616E64, 0x617220, 0x617420, 0x646520, 0x64656E, 0x646574,
        0x652073, 0x656420, 0x656E20, 0x656E65, 0x657220, 0x657265, 0x657420, 0x657474,
        0x666F72, 0x67656E, 0x696B6B, 0x696C20, 0x696E67, 0x6B6520, 0x6B6B65, 0x6C6520,
        0x6C6C65, 0x6D6564, 0x6D656E, 0x6E2073, 0x6E6520, 0x6E6720, 0x6E6765, 0x6E6E65,
        0x6F6720, 0x6F6D20, 0x6F7220, 0x70E520, 0x722073, 0x726520, 0x736F6D, 0x737465,
        0x742073, 0x746520, 0x74656E, 0x746572, 0x74696C, 0x747420, 0x747465, 0x766572
      ]),
      new NGramsPlusLang('pt', [
        0x206120, 0x20636F, 0x206461, 0x206465, 0x20646F, 0x206520, 0x206573, 0x206D61,
        0x206E6F, 0x206F20, 0x207061, 0x20706F, 0x207072, 0x207175, 0x207265, 0x207365,
        0x20756D, 0x612061, 0x612063, 0x612064, 0x612070, 0x616465, 0x61646F, 0x616C20,
        0x617220, 0x617261, 0x617320, 0x636F6D, 0x636F6E, 0x646120, 0x646520, 0x646F20,
        0x646F73, 0x652061, 0x652064, 0x656D20, 0x656E74, 0x657320, 0x657374, 0x696120,
        0x696361, 0x6D656E, 0x6E7465, 0x6E746F, 0x6F2061, 0x6F2063, 0x6F2064, 0x6F2065,
        0x6F2070, 0x6F7320, 0x706172, 0x717565, 0x726120, 0x726573, 0x732061, 0x732064,
        0x732065, 0x732070, 0x737461, 0x746520, 0x746F20, 0x756520, 0xE36F20, 0xE7E36F
      ]),
      new NGramsPlusLang('sv', [
        0x206174, 0x206176, 0x206465, 0x20656E, 0x2066F6, 0x206861, 0x206920, 0x20696E,
        0x206B6F, 0x206D65, 0x206F63, 0x2070E5, 0x20736B, 0x20736F, 0x207374, 0x207469,
        0x207661, 0x207669, 0x20E472, 0x616465, 0x616E20, 0x616E64, 0x617220, 0x617474,
        0x636820, 0x646520, 0x64656E, 0x646572, 0x646574, 0x656420, 0x656E20, 0x657220,
        0x657420, 0x66F672, 0x67656E, 0x696C6C, 0x696E67, 0x6B6120, 0x6C6C20, 0x6D6564,
        0x6E2073, 0x6E6120, 0x6E6465, 0x6E6720, 0x6E6765, 0x6E696E, 0x6F6368, 0x6F6D20,
        0x6F6E20, 0x70E520, 0x722061, 0x722073, 0x726120, 0x736B61, 0x736F6D, 0x742073,
        0x746120, 0x746520, 0x746572, 0x74696C, 0x747420, 0x766172, 0xE47220, 0xF67220,
      ])
    ];
  };

  this.name = function(det) {
    return (det && det.fC1Bytes) ? 'windows-1252' : 'ISO-8859-1';
  };
};
util.inherits(module.exports.ISO_8859_1, sbcs);


module.exports.ISO_8859_2 = function() {
  this.byteMap = function() {
    return [
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x00,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
      0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F,
      0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
      0x78, 0x79, 0x7A, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
      0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F,
      0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
      0x78, 0x79, 0x7A, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0xB1, 0x20, 0xB3, 0x20, 0xB5, 0xB6, 0x20,
      0x20, 0xB9, 0xBA, 0xBB, 0xBC, 0x20, 0xBE, 0xBF,
      0x20, 0xB1, 0x20, 0xB3, 0x20, 0xB5, 0xB6, 0xB7,
      0x20, 0xB9, 0xBA, 0xBB, 0xBC, 0x20, 0xBE, 0xBF,
      0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7,
      0xE8, 0xE9, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF,
      0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0x20,
      0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE, 0xDF,
      0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7,
      0xE8, 0xE9, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF,
      0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0x20,
      0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE, 0x20
    ];
  }

  this.ngrams = function() {
    return [
      new NGramsPlusLang('cs', [
        0x206120, 0x206279, 0x20646F, 0x206A65, 0x206E61, 0x206E65, 0x206F20, 0x206F64,
        0x20706F, 0x207072, 0x2070F8, 0x20726F, 0x207365, 0x20736F, 0x207374, 0x20746F,
        0x207620, 0x207679, 0x207A61, 0x612070, 0x636520, 0x636820, 0x652070, 0x652073,
        0x652076, 0x656D20, 0x656EED, 0x686F20, 0x686F64, 0x697374, 0x6A6520, 0x6B7465,
        0x6C6520, 0x6C6920, 0x6E6120, 0x6EE920, 0x6EEC20, 0x6EED20, 0x6F2070, 0x6F646E,
        0x6F6A69, 0x6F7374, 0x6F7520, 0x6F7661, 0x706F64, 0x706F6A, 0x70726F, 0x70F865,
        0x736520, 0x736F75, 0x737461, 0x737469, 0x73746E, 0x746572, 0x746EED, 0x746F20,
        0x752070, 0xBE6520, 0xE16EED, 0xE9686F, 0xED2070, 0xED2073, 0xED6D20, 0xF86564,
      ]),
      new NGramsPlusLang('hu', [
        0x206120, 0x20617A, 0x206265, 0x206567, 0x20656C, 0x206665, 0x206861, 0x20686F,
        0x206973, 0x206B65, 0x206B69, 0x206BF6, 0x206C65, 0x206D61, 0x206D65, 0x206D69,
        0x206E65, 0x20737A, 0x207465, 0x20E973, 0x612061, 0x61206B, 0x61206D, 0x612073,
        0x616B20, 0x616E20, 0x617A20, 0x62616E, 0x62656E, 0x656779, 0x656B20, 0x656C20,
        0x656C65, 0x656D20, 0x656E20, 0x657265, 0x657420, 0x657465, 0x657474, 0x677920,
        0x686F67, 0x696E74, 0x697320, 0x6B2061, 0x6BF67A, 0x6D6567, 0x6D696E, 0x6E2061,
        0x6E616B, 0x6E656B, 0x6E656D, 0x6E7420, 0x6F6779, 0x732061, 0x737A65, 0x737A74,
        0x737AE1, 0x73E967, 0x742061, 0x747420, 0x74E173, 0x7A6572, 0xE16E20, 0xE97320,
      ]),
      new NGramsPlusLang('pl', [
        0x20637A, 0x20646F, 0x206920, 0x206A65, 0x206B6F, 0x206D61, 0x206D69, 0x206E61,
        0x206E69, 0x206F64, 0x20706F, 0x207072, 0x207369, 0x207720, 0x207769, 0x207779,
        0x207A20, 0x207A61, 0x612070, 0x612077, 0x616E69, 0x636820, 0x637A65, 0x637A79,
        0x646F20, 0x647A69, 0x652070, 0x652073, 0x652077, 0x65207A, 0x65676F, 0x656A20,
        0x656D20, 0x656E69, 0x676F20, 0x696120, 0x696520, 0x69656A, 0x6B6120, 0x6B6920,
        0x6B6965, 0x6D6965, 0x6E6120, 0x6E6961, 0x6E6965, 0x6F2070, 0x6F7761, 0x6F7769,
        0x706F6C, 0x707261, 0x70726F, 0x70727A, 0x727A65, 0x727A79, 0x7369EA, 0x736B69,
        0x737461, 0x776965, 0x796368, 0x796D20, 0x7A6520, 0x7A6965, 0x7A7920, 0xF37720,
      ]),
      new NGramsPlusLang('ro', [
        0x206120, 0x206163, 0x206361, 0x206365, 0x20636F, 0x206375, 0x206465, 0x206469,
        0x206C61, 0x206D61, 0x207065, 0x207072, 0x207365, 0x2073E3, 0x20756E, 0x20BA69,
        0x20EE6E, 0x612063, 0x612064, 0x617265, 0x617420, 0x617465, 0x617520, 0x636172,
        0x636F6E, 0x637520, 0x63E320, 0x646520, 0x652061, 0x652063, 0x652064, 0x652070,
        0x652073, 0x656120, 0x656920, 0x656C65, 0x656E74, 0x657374, 0x692061, 0x692063,
        0x692064, 0x692070, 0x696520, 0x696920, 0x696E20, 0x6C6120, 0x6C6520, 0x6C6F72,
        0x6C7569, 0x6E6520, 0x6E7472, 0x6F7220, 0x70656E, 0x726520, 0x726561, 0x727520,
        0x73E320, 0x746520, 0x747275, 0x74E320, 0x756920, 0x756C20, 0xBA6920, 0xEE6E20,
      ])
    ];
  };

  this.name = function(det) {
    return (det && det.fC1Bytes) ? 'windows-1250' : 'ISO-8859-2';
  };
};
util.inherits(module.exports.ISO_8859_2, sbcs);


module.exports.ISO_8859_5 = function() {
  this.byteMap = function() {
    return [
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x00,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
      0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F,
      0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
      0x78, 0x79, 0x7A, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
      0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F,
      0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
      0x78, 0x79, 0x7A, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7,
      0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0x20, 0xFE, 0xFF,
      0xD0, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7,
      0xD8, 0xD9, 0xDA, 0xDB, 0xDC, 0xDD, 0xDE, 0xDF,
      0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7,
      0xE8, 0xE9, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF,
      0xD0, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7,
      0xD8, 0xD9, 0xDA, 0xDB, 0xDC, 0xDD, 0xDE, 0xDF,
      0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7,
      0xE8, 0xE9, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF,
      0x20, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7,
      0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0x20, 0xFE, 0xFF
    ];
  };

  this.ngrams = function() {
    return [
      0x20D220, 0x20D2DE, 0x20D4DE, 0x20D7D0, 0x20D820, 0x20DAD0, 0x20DADE, 0x20DDD0,
      0x20DDD5, 0x20DED1, 0x20DFDE, 0x20DFE0, 0x20E0D0, 0x20E1DE, 0x20E1E2, 0x20E2DE,
      0x20E7E2, 0x20EDE2, 0xD0DDD8, 0xD0E2EC, 0xD3DE20, 0xD5DBEC, 0xD5DDD8, 0xD5E1E2,
      0xD5E220, 0xD820DF, 0xD8D520, 0xD8D820, 0xD8EF20, 0xDBD5DD, 0xDBD820, 0xDBECDD,
      0xDDD020, 0xDDD520, 0xDDD8D5, 0xDDD8EF, 0xDDDE20, 0xDDDED2, 0xDE20D2, 0xDE20DF,
      0xDE20E1, 0xDED220, 0xDED2D0, 0xDED3DE, 0xDED920, 0xDEDBEC, 0xDEDC20, 0xDEE1E2,
      0xDFDEDB, 0xDFE0D5, 0xDFE0D8, 0xDFE0DE, 0xE0D0D2, 0xE0D5D4, 0xE1E2D0, 0xE1E2D2,
      0xE1E2D8, 0xE1EF20, 0xE2D5DB, 0xE2DE20, 0xE2DEE0, 0xE2EC20, 0xE7E2DE, 0xEBE520
    ];
  };

  this.name = function(det) {
    return 'ISO-8859-5';
  };

  this.language = function() {
    return 'ru';
  };
};
util.inherits(module.exports.ISO_8859_5, sbcs);


module.exports.ISO_8859_6 = function() {
  this.byteMap = function() {
    return [
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x00,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
      0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F,
      0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
      0x78, 0x79, 0x7A, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
      0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F,
      0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
      0x78, 0x79, 0x7A, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7,
      0xC8, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF,
      0xD0, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7,
      0xD8, 0xD9, 0xDA, 0x20, 0x20, 0x20, 0x20, 0x20,
      0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7,
      0xE8, 0xE9, 0xEA, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20
    ];
  };

  this.ngrams = function() {
    return [
      0x20C7E4, 0x20C7E6, 0x20C8C7, 0x20D9E4, 0x20E1EA, 0x20E4E4, 0x20E5E6, 0x20E8C7,
      0xC720C7, 0xC7C120, 0xC7CA20, 0xC7D120, 0xC7E420, 0xC7E4C3, 0xC7E4C7, 0xC7E4C8,
      0xC7E4CA, 0xC7E4CC, 0xC7E4CD, 0xC7E4CF, 0xC7E4D3, 0xC7E4D9, 0xC7E4E2, 0xC7E4E5,
      0xC7E4E8, 0xC7E4EA, 0xC7E520, 0xC7E620, 0xC7E6CA, 0xC820C7, 0xC920C7, 0xC920E1,
      0xC920E4, 0xC920E5, 0xC920E8, 0xCA20C7, 0xCF20C7, 0xCFC920, 0xD120C7, 0xD1C920,
      0xD320C7, 0xD920C7, 0xD9E4E9, 0xE1EA20, 0xE420C7, 0xE4C920, 0xE4E920, 0xE4EA20,
      0xE520C7, 0xE5C720, 0xE5C920, 0xE5E620, 0xE620C7, 0xE720C7, 0xE7C720, 0xE8C7E4,
      0xE8E620, 0xE920C7, 0xEA20C7, 0xEA20E5, 0xEA20E8, 0xEAC920, 0xEAD120, 0xEAE620
    ];
  };

  this.name = function(det) {
    return 'ISO-8859-6';
  };

  this.language = function() {
    return 'ar';
  };
};
util.inherits(module.exports.ISO_8859_6, sbcs);


module.exports.ISO_8859_7 = function() {
  this.byteMap = function() {
    return [
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x00,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
      0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F,
      0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
      0x78, 0x79, 0x7A, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
      0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F,
      0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
      0x78, 0x79, 0x7A, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0xA1, 0xA2, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0xDC, 0x20,
      0xDD, 0xDE, 0xDF, 0x20, 0xFC, 0x20, 0xFD, 0xFE,
      0xC0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7,
      0xE8, 0xE9, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF,
      0xF0, 0xF1, 0x20, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7,
      0xF8, 0xF9, 0xFA, 0xFB, 0xDC, 0xDD, 0xDE, 0xDF,
      0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7,
      0xE8, 0xE9, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF,
      0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7,
      0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE, 0x20
    ];
  };

  this.ngrams = function() {
    return [
      0x20E1ED, 0x20E1F0, 0x20E3E9, 0x20E4E9, 0x20E5F0, 0x20E720, 0x20EAE1, 0x20ECE5,
      0x20EDE1, 0x20EF20, 0x20F0E1, 0x20F0EF, 0x20F0F1, 0x20F3F4, 0x20F3F5, 0x20F4E7,
      0x20F4EF, 0xDFE120, 0xE120E1, 0xE120F4, 0xE1E920, 0xE1ED20, 0xE1F0FC, 0xE1F220,
      0xE3E9E1, 0xE5E920, 0xE5F220, 0xE720F4, 0xE7ED20, 0xE7F220, 0xE920F4, 0xE9E120,
      0xE9EADE, 0xE9F220, 0xEAE1E9, 0xEAE1F4, 0xECE520, 0xED20E1, 0xED20E5, 0xED20F0,
      0xEDE120, 0xEFF220, 0xEFF520, 0xF0EFF5, 0xF0F1EF, 0xF0FC20, 0xF220E1, 0xF220E5,
      0xF220EA, 0xF220F0, 0xF220F4, 0xF3E520, 0xF3E720, 0xF3F4EF, 0xF4E120, 0xF4E1E9,
      0xF4E7ED, 0xF4E7F2, 0xF4E9EA, 0xF4EF20, 0xF4EFF5, 0xF4F9ED, 0xF9ED20, 0xFEED20
    ];
  };

  this.name = function(det) {
    return (det && det.fC1Bytes) ? 'windows-1253' : 'ISO-8859-7';
  };

  this.language = function() {
    return 'el';
  };
};
util.inherits(module.exports.ISO_8859_7, sbcs);

module.exports.ISO_8859_8 = function() {

  this.byteMap = function() {
    return [
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
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      0x20, 0x20, 0x20, 0x20, 0x20, 0xB5, 0x20, 0x20,
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      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7,
      0xE8, 0xE9, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF,
      0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7,
      0xF8, 0xF9, 0xFA, 0x20, 0x20, 0x20, 0x20, 0x20
    ];
  };

  this.ngrams = function() {
    return [
      new NGramsPlusLang('he', [
        0x20E0E5, 0x20E0E7, 0x20E0E9, 0x20E0FA, 0x20E1E9, 0x20E1EE, 0x20E4E0, 0x20E4E5,
        0x20E4E9, 0x20E4EE, 0x20E4F2, 0x20E4F9, 0x20E4FA, 0x20ECE0, 0x20ECE4, 0x20EEE0,
        0x20F2EC, 0x20F9EC, 0xE0FA20, 0xE420E0, 0xE420E1, 0xE420E4, 0xE420EC, 0xE420EE,
        0xE420F9, 0xE4E5E0, 0xE5E020, 0xE5ED20, 0xE5EF20, 0xE5F820, 0xE5FA20, 0xE920E4,
        0xE9E420, 0xE9E5FA, 0xE9E9ED, 0xE9ED20, 0xE9EF20, 0xE9F820, 0xE9FA20, 0xEC20E0,
        0xEC20E4, 0xECE020, 0xECE420, 0xED20E0, 0xED20E1, 0xED20E4, 0xED20EC, 0xED20EE,
        0xED20F9, 0xEEE420, 0xEF20E4, 0xF0E420, 0xF0E920, 0xF0E9ED, 0xF2EC20, 0xF820E4,
        0xF8E9ED, 0xF9EC20, 0xFA20E0, 0xFA20E1, 0xFA20E4, 0xFA20EC, 0xFA20EE, 0xFA20F9,
      ]),
      new NGramsPlusLang('he', [
        0x20E0E5, 0x20E0EC, 0x20E4E9, 0x20E4EC, 0x20E4EE, 0x20E4F0, 0x20E9F0, 0x20ECF2,
        0x20ECF9, 0x20EDE5, 0x20EDE9, 0x20EFE5, 0x20EFE9, 0x20F8E5, 0x20F8E9, 0x20FAE0,
        0x20FAE5, 0x20FAE9, 0xE020E4, 0xE020EC, 0xE020ED, 0xE020FA, 0xE0E420, 0xE0E5E4,
        0xE0EC20, 0xE0EE20, 0xE120E4, 0xE120ED, 0xE120FA, 0xE420E4, 0xE420E9, 0xE420EC,
        0xE420ED, 0xE420EF, 0xE420F8, 0xE420FA, 0xE4EC20, 0xE5E020, 0xE5E420, 0xE7E020,
        0xE9E020, 0xE9E120, 0xE9E420, 0xEC20E4, 0xEC20ED, 0xEC20FA, 0xECF220, 0xECF920,
        0xEDE9E9, 0xEDE9F0, 0xEDE9F8, 0xEE20E4, 0xEE20ED, 0xEE20FA, 0xEEE120, 0xEEE420,
        0xF2E420, 0xF920E4, 0xF920ED, 0xF920FA, 0xF9E420, 0xFAE020, 0xFAE420, 0xFAE5E9,
      ])
    ];
  };

  this.name = function(det) {
    return (det && det.fC1Bytes) ? 'windows-1255' : 'ISO-8859-8';
  };

  this.language = function() {
    return 'he';
  };

};
util.inherits(module.exports.ISO_8859_8, sbcs);


module.exports.ISO_8859_9 = function() {
  this.byteMap = function() {
    return [
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x00,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
      0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F,
      0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
      0x78, 0x79, 0x7A, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
      0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F,
      0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
      0x78, 0x79, 0x7A, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0xAA, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0xB5, 0x20, 0x20,
      0x20, 0x20, 0xBA, 0x20, 0x20, 0x20, 0x20, 0x20,
      0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7,
      0xE8, 0xE9, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF,
      0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0x20,
      0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0x69, 0xFE, 0xDF,
      0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7,
      0xE8, 0xE9, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF,
      0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0x20,
      0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE, 0xFF
    ];
  };

  this.ngrams = function() {
    return [
      0x206261, 0x206269, 0x206275, 0x206461, 0x206465, 0x206765, 0x206861, 0x20696C,
      0x206B61, 0x206B6F, 0x206D61, 0x206F6C, 0x207361, 0x207461, 0x207665, 0x207961,
      0x612062, 0x616B20, 0x616C61, 0x616D61, 0x616E20, 0x616EFD, 0x617220, 0x617261,
      0x6172FD, 0x6173FD, 0x617961, 0x626972, 0x646120, 0x646520, 0x646920, 0x652062,
      0x65206B, 0x656469, 0x656E20, 0x657220, 0x657269, 0x657369, 0x696C65, 0x696E20,
      0x696E69, 0x697220, 0x6C616E, 0x6C6172, 0x6C6520, 0x6C6572, 0x6E2061, 0x6E2062,
      0x6E206B, 0x6E6461, 0x6E6465, 0x6E6520, 0x6E6920, 0x6E696E, 0x6EFD20, 0x72696E,
      0x72FD6E, 0x766520, 0x796120, 0x796F72, 0xFD6E20, 0xFD6E64, 0xFD6EFD, 0xFDF0FD
    ];
  };

  this.name = function(det) {
    return (det && det.fC1Bytes) ? 'windows-1254' : 'ISO-8859-9';
  };

  this.language = function() {
    return 'tr';
  };
};
util.inherits(module.exports.ISO_8859_9, sbcs);


module.exports.windows_1251 = function() {
  this.byteMap = function() {
    return [
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x00,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
      0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F,
      0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
      0x78, 0x79, 0x7A, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
      0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F,
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      0x90, 0x83, 0x20, 0x83, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x9A, 0x20, 0x9C, 0x9D, 0x9E, 0x9F,
      0x90, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x9A, 0x20, 0x9C, 0x9D, 0x9E, 0x9F,
      0x20, 0xA2, 0xA2, 0xBC, 0x20, 0xB4, 0x20, 0x20,
      0xB8, 0x20, 0xBA, 0x20, 0x20, 0x20, 0x20, 0xBF,
      0x20, 0x20, 0xB3, 0xB3, 0xB4, 0xB5, 0x20, 0x20,
      0xB8, 0x20, 0xBA, 0x20, 0xBC, 0xBE, 0xBE, 0xBF,
      0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7,
      0xE8, 0xE9, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF,
      0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7,
      0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE, 0xFF,
      0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7,
      0xE8, 0xE9, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF,
      0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7,
      0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE, 0xFF
    ];
  };

  this.ngrams = function() {
    return [
      0x20E220, 0x20E2EE, 0x20E4EE, 0x20E7E0, 0x20E820, 0x20EAE0, 0x20EAEE, 0x20EDE0,
      0x20EDE5, 0x20EEE1, 0x20EFEE, 0x20EFF0, 0x20F0E0, 0x20F1EE, 0x20F1F2, 0x20F2EE,
      0x20F7F2, 0x20FDF2, 0xE0EDE8, 0xE0F2FC, 0xE3EE20, 0xE5EBFC, 0xE5EDE8, 0xE5F1F2,
      0xE5F220, 0xE820EF, 0xE8E520, 0xE8E820, 0xE8FF20, 0xEBE5ED, 0xEBE820, 0xEBFCED,
      0xEDE020, 0xEDE520, 0xEDE8E5, 0xEDE8FF, 0xEDEE20, 0xEDEEE2, 0xEE20E2, 0xEE20EF,
      0xEE20F1, 0xEEE220, 0xEEE2E0, 0xEEE3EE, 0xEEE920, 0xEEEBFC, 0xEEEC20, 0xEEF1F2,
      0xEFEEEB, 0xEFF0E5, 0xEFF0E8, 0xEFF0EE, 0xF0E0E2, 0xF0E5E4, 0xF1F2E0, 0xF1F2E2,
      0xF1F2E8, 0xF1FF20, 0xF2E5EB, 0xF2EE20, 0xF2EEF0, 0xF2FC20, 0xF7F2EE, 0xFBF520
    ];
  };

  this.name = function(det) {
    return 'windows-1251';
  };

  this.language = function() {
    return 'ru';
  };
};
util.inherits(module.exports.windows_1251, sbcs);


module.exports.windows_1256 = function() {
  this.byteMap = function() {
    return [
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x00,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
      0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F,
      0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
      0x78, 0x79, 0x7A, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
      0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F,
      0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
      0x78, 0x79, 0x7A, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x81, 0x20, 0x83, 0x20, 0x20, 0x20, 0x20,
      0x88, 0x20, 0x8A, 0x20, 0x9C, 0x8D, 0x8E, 0x8F,
      0x90, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x98, 0x20, 0x9A, 0x20, 0x9C, 0x20, 0x20, 0x9F,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0xAA, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0xB5, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0xC0, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7,
      0xC8, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF,
      0xD0, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0x20,
      0xD8, 0xD9, 0xDA, 0xDB, 0xDC, 0xDD, 0xDE, 0xDF,
      0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7,
      0xE8, 0xE9, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF,
      0x20, 0x20, 0x20, 0x20, 0xF4, 0x20, 0x20, 0x20,
      0x20, 0xF9, 0x20, 0xFB, 0xFC, 0x20, 0x20, 0xFF
    ];
  };

  this.ngrams = function() {
    return [
      0x20C7E1, 0x20C7E4, 0x20C8C7, 0x20DAE1, 0x20DDED, 0x20E1E1, 0x20E3E4, 0x20E6C7,
      0xC720C7, 0xC7C120, 0xC7CA20, 0xC7D120, 0xC7E120, 0xC7E1C3, 0xC7E1C7, 0xC7E1C8,
      0xC7E1CA, 0xC7E1CC, 0xC7E1CD, 0xC7E1CF, 0xC7E1D3, 0xC7E1DA, 0xC7E1DE, 0xC7E1E3,
      0xC7E1E6, 0xC7E1ED, 0xC7E320, 0xC7E420, 0xC7E4CA, 0xC820C7, 0xC920C7, 0xC920DD,
      0xC920E1, 0xC920E3, 0xC920E6, 0xCA20C7, 0xCF20C7, 0xCFC920, 0xD120C7, 0xD1C920,
      0xD320C7, 0xDA20C7, 0xDAE1EC, 0xDDED20, 0xE120C7, 0xE1C920, 0xE1EC20, 0xE1ED20,
      0xE320C7, 0xE3C720, 0xE3C920, 0xE3E420, 0xE420C7, 0xE520C7, 0xE5C720, 0xE6C7E1,
      0xE6E420, 0xEC20C7, 0xED20C7, 0xED20E3, 0xED20E6, 0xEDC920, 0xEDD120, 0xEDE420
    ];
  };

  this.name = function(det) {
    return 'windows-1256';
  };

  this.language = function() {
    return 'ar';
  };
};
util.inherits(module.exports.windows_1256, sbcs);


module.exports.KOI8_R = function() {
  this.byteMap = function() {
    return [
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x00,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
      0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F,
      0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
      0x78, 0x79, 0x7A, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
      0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F,
      0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
      0x78, 0x79, 0x7A, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0xA3, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0xA3, 0x20, 0x20, 0x20, 0x20,
      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
      0xC0, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7,
      0xC8, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF,
      0xD0, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7,
      0xD8, 0xD9, 0xDA, 0xDB, 0xDC, 0xDD, 0xDE, 0xDF,
      0xC0, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7,
      0xC8, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF,
      0xD0, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7,
      0xD8, 0xD9, 0xDA, 0xDB, 0xDC, 0xDD, 0xDE, 0xDF
    ];
  };

  this.ngrams = function() {
    return [
      0x20C4CF, 0x20C920, 0x20CBC1, 0x20CBCF, 0x20CEC1, 0x20CEC5, 0x20CFC2, 0x20D0CF,
      0x20D0D2, 0x20D2C1, 0x20D3CF, 0x20D3D4, 0x20D4CF, 0x20D720, 0x20D7CF, 0x20DAC1,
      0x20DCD4, 0x20DED4, 0xC1CEC9, 0xC1D4D8, 0xC5CCD8, 0xC5CEC9, 0xC5D3D4, 0xC5D420,
      0xC7CF20, 0xC920D0, 0xC9C520, 0xC9C920, 0xC9D120, 0xCCC5CE, 0xCCC920, 0xCCD8CE,
      0xCEC120, 0xCEC520, 0xCEC9C5, 0xCEC9D1, 0xCECF20, 0xCECFD7, 0xCF20D0, 0xCF20D3,
      0xCF20D7, 0xCFC7CF, 0xCFCA20, 0xCFCCD8, 0xCFCD20, 0xCFD3D4, 0xCFD720, 0xCFD7C1,
      0xD0CFCC, 0xD0D2C5, 0xD0D2C9, 0xD0D2CF, 0xD2C1D7, 0xD2C5C4, 0xD3D120, 0xD3D4C1,
      0xD3D4C9, 0xD3D4D7, 0xD4C5CC, 0xD4CF20, 0xD4CFD2, 0xD4D820, 0xD9C820, 0xDED4CF
    ];
  };

  this.name = function(det) {
    return 'KOI8-R';
  };

  this.language = function() {
    return 'ru';
  };
};
util.inherits(module.exports.KOI8_R, sbcs);


/*
module.exports.ISO_8859_7 = function() {
  this.byteMap = function() {
    return [

    ];
  };

  this.ngrams = function() {
    return [

    ];
  };

  this.name = function(det) {
    if (typeof det == 'undefined')
      return 'ISO-8859-7';
    return det.fC1Bytes ? 'windows-1253' : 'ISO-8859-7';
  };

  this.language = function() {
    return 'el';
  };
};
util.inherits(module.exports.ISO_8859_7, sbcs);
*/