diff options
Diffstat (limited to 'extensions/universalchardet/src')
32 files changed, 3028 insertions, 0 deletions
diff --git a/extensions/universalchardet/src/base/CharDistribution.cpp b/extensions/universalchardet/src/base/CharDistribution.cpp new file mode 100644 index 000000000..7030bd85e --- /dev/null +++ b/extensions/universalchardet/src/base/CharDistribution.cpp @@ -0,0 +1,46 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "CharDistribution.h" + +#include "JISFreq.tab" +#include "mozilla/ArrayUtils.h" + +#define SURE_YES 0.99f +#define SURE_NO 0.01f + +//return confidence base on received data +float CharDistributionAnalysis::GetConfidence(void) +{ + //if we didn't receive any character in our consideration range, or the + // number of frequent characters is below the minimum threshold, return + // negative answer + if (mTotalChars <= 0 || mFreqChars <= mDataThreshold) + return SURE_NO; + + if (mTotalChars != mFreqChars) { + float r = mFreqChars / ((mTotalChars - mFreqChars) * mTypicalDistributionRatio); + + if (r < SURE_YES) + return r; + } + //normalize confidence, (we don't want to be 100% sure) + return SURE_YES; +} + +SJISDistributionAnalysis::SJISDistributionAnalysis() +{ + mCharToFreqOrder = JISCharToFreqOrder; + mTableSize = mozilla::ArrayLength(JISCharToFreqOrder); + mTypicalDistributionRatio = JIS_TYPICAL_DISTRIBUTION_RATIO; +} + +EUCJPDistributionAnalysis::EUCJPDistributionAnalysis() +{ + mCharToFreqOrder = JISCharToFreqOrder; + mTableSize = mozilla::ArrayLength(JISCharToFreqOrder); + mTypicalDistributionRatio = JIS_TYPICAL_DISTRIBUTION_RATIO; +} + diff --git a/extensions/universalchardet/src/base/CharDistribution.h b/extensions/universalchardet/src/base/CharDistribution.h new file mode 100644 index 000000000..bd5143b8e --- /dev/null +++ b/extensions/universalchardet/src/base/CharDistribution.h @@ -0,0 +1,204 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef CharDistribution_h__ +#define CharDistribution_h__ + +#include "nscore.h" + +#define ENOUGH_DATA_THRESHOLD 1024 + +class CharDistributionAnalysis +{ +public: + CharDistributionAnalysis() {Reset();} + + //feed a block of data and do distribution analysis + void HandleData(const char* aBuf, uint32_t aLen) {} + + //Feed a character with known length + void HandleOneChar(const char* aStr, uint32_t aCharLen) + { + int32_t order; + + //we only care about 2-bytes character in our distribution analysis + order = (aCharLen == 2) ? GetOrder(aStr) : -1; + + if (order >= 0) + { + mTotalChars++; + //order is valid + if ((uint32_t)order < mTableSize) + { + if (512 > mCharToFreqOrder[order]) + mFreqChars++; + } + } + } + + //return confidence base on existing data + float GetConfidence(void); + + //Reset analyser, clear any state + void Reset() + { + mDone = false; + mTotalChars = 0; + mFreqChars = 0; + mDataThreshold = 0; + } + + //It is not necessary to receive all data to draw conclusion. For charset detection, + // certain amount of data is enough + bool GotEnoughData() {return mTotalChars > ENOUGH_DATA_THRESHOLD;} + +protected: + //we do not handle character base on its original encoding string, but + //convert this encoding string to a number, here called order. + //This allow multiple encoding of a language to share one frequency table + virtual int32_t GetOrder(const char* str) {return -1;} + + //If this flag is set to true, detection is done and conclusion has been made + bool mDone; + + //The number of characters whose frequency order is less than 512 + uint32_t mFreqChars; + + //Total character encounted. + uint32_t mTotalChars; + + //Number of hi-byte characters needed to trigger detection + uint32_t mDataThreshold; + + //Mapping table to get frequency order from char order (get from GetOrder()) + const int16_t *mCharToFreqOrder; + + //Size of above table + uint32_t mTableSize; + + //This is a constant value varies from language to language, it is used in + //calculating confidence. See my paper for further detail. + float mTypicalDistributionRatio; +}; + + +class EUCTWDistributionAnalysis: public CharDistributionAnalysis +{ +public: + EUCTWDistributionAnalysis(); +protected: + + //for euc-TW encoding, we are interested + // first byte range: 0xc4 -- 0xfe + // second byte range: 0xa1 -- 0xfe + //no validation needed here. State machine has done that + int32_t GetOrder(const char* str) + { if ((unsigned char)*str >= (unsigned char)0xc4) + return 94*((unsigned char)str[0]-(unsigned char)0xc4) + (unsigned char)str[1] - (unsigned char)0xa1; + else + return -1; + } +}; + + +class EUCKRDistributionAnalysis : public CharDistributionAnalysis +{ +public: + EUCKRDistributionAnalysis(); +protected: + //for euc-KR encoding, we are interested + // first byte range: 0xb0 -- 0xfe + // second byte range: 0xa1 -- 0xfe + //no validation needed here. State machine has done that + int32_t GetOrder(const char* str) + { if ((unsigned char)*str >= (unsigned char)0xb0) + return 94*((unsigned char)str[0]-(unsigned char)0xb0) + (unsigned char)str[1] - (unsigned char)0xa1; + else + return -1; + } +}; + +class GB2312DistributionAnalysis : public CharDistributionAnalysis +{ +public: + GB2312DistributionAnalysis(); +protected: + //for GB2312 encoding, we are interested + // first byte range: 0xb0 -- 0xfe + // second byte range: 0xa1 -- 0xfe + //no validation needed here. State machine has done that + int32_t GetOrder(const char* str) + { if ((unsigned char)*str >= (unsigned char)0xb0 && (unsigned char)str[1] >= (unsigned char)0xa1) + return 94*((unsigned char)str[0]-(unsigned char)0xb0) + (unsigned char)str[1] - (unsigned char)0xa1; + else + return -1; + } +}; + + +class Big5DistributionAnalysis : public CharDistributionAnalysis +{ +public: + Big5DistributionAnalysis(); +protected: + //for big5 encoding, we are interested + // first byte range: 0xa4 -- 0xfe + // second byte range: 0x40 -- 0x7e , 0xa1 -- 0xfe + //no validation needed here. State machine has done that + int32_t GetOrder(const char* str) + { if ((unsigned char)*str >= (unsigned char)0xa4) + if ((unsigned char)str[1] >= (unsigned char)0xa1) + return 157*((unsigned char)str[0]-(unsigned char)0xa4) + (unsigned char)str[1] - (unsigned char)0xa1 +63; + else + return 157*((unsigned char)str[0]-(unsigned char)0xa4) + (unsigned char)str[1] - (unsigned char)0x40; + else + return -1; + } +}; + +class SJISDistributionAnalysis : public CharDistributionAnalysis +{ +public: + SJISDistributionAnalysis(); +protected: + //for sjis encoding, we are interested + // first byte range: 0x81 -- 0x9f , 0xe0 -- 0xfe + // second byte range: 0x40 -- 0x7e, 0x81 -- oxfe + //no validation needed here. State machine has done that + int32_t GetOrder(const char* str) + { + int32_t order; + if ((unsigned char)*str >= (unsigned char)0x81 && (unsigned char)*str <= (unsigned char)0x9f) + order = 188 * ((unsigned char)str[0]-(unsigned char)0x81); + else if ((unsigned char)*str >= (unsigned char)0xe0 && (unsigned char)*str <= (unsigned char)0xef) + order = 188 * ((unsigned char)str[0]-(unsigned char)0xe0 + 31); + else + return -1; + order += (unsigned char)*(str+1) - 0x40; + if ((unsigned char)str[1] > (unsigned char)0x7f) + order--; + return order; + } +}; + +class EUCJPDistributionAnalysis : public CharDistributionAnalysis +{ +public: + EUCJPDistributionAnalysis(); +protected: + //for euc-JP encoding, we are interested + // first byte range: 0xa0 -- 0xfe + // second byte range: 0xa1 -- 0xfe + //no validation needed here. State machine has done that + int32_t GetOrder(const char* str) + { if ((unsigned char)*str >= (unsigned char)0xa0) + return 94*((unsigned char)str[0]-(unsigned char)0xa1) + (unsigned char)str[1] - (unsigned char)0xa1; + else + return -1; + } +}; + +#endif //CharDistribution_h__ + diff --git a/extensions/universalchardet/src/base/JISFreq.tab b/extensions/universalchardet/src/base/JISFreq.tab new file mode 100644 index 000000000..d3815caa4 --- /dev/null +++ b/extensions/universalchardet/src/base/JISFreq.tab @@ -0,0 +1,554 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +//Sampling from about 20M text materials include literature and computer technology + +// Japanese frequency table, applied to both S-JIS and EUC-JP +//They are sorted in order. + +/****************************************************************************** + * 128 --> 0.77094 + * 256 --> 0.85710 + * 512 --> 0.92635 + * 1024 --> 0.97130 + * 2048 --> 0.99431 + * + * Idea Distribution Ratio = 0.92635 / (1-0.92635) = 12.58 + * Random Distribution Ration = 512 / (2965+62+83+86-512) = 0.191 + * + * Typical Distribution Ratio, 25% of IDR + *****************************************************************************/ + +#define JIS_TYPICAL_DISTRIBUTION_RATIO (float) 3.0 + +// Char to FreqOrder table +static const int16_t JISCharToFreqOrder[] = +{ + 40, 1, 6, 182, 152, 180, 295,2127, 285, 381,3295,4304,3068,4606,3165,3510, // 16 +3511,1822,2785,4607,1193,2226,5070,4608, 171,2996,1247, 18, 179,5071, 856,1661, // 32 +1262,5072, 619, 127,3431,3512,3230,1899,1700, 232, 228,1294,1298, 284, 283,2041, // 48 +2042,1061,1062, 48, 49, 44, 45, 433, 434,1040,1041, 996, 787,2997,1255,4305, // 64 +2108,4609,1684,1648,5073,5074,5075,5076,5077,5078,3687,5079,4610,5080,3927,3928, // 80 +5081,3296,3432, 290,2285,1471,2187,5082,2580,2825,1303,2140,1739,1445,2691,3375, // 96 +1691,3297,4306,4307,4611, 452,3376,1182,2713,3688,3069,4308,5083,5084,5085,5086, // 112 +5087,5088,5089,5090,5091,5092,5093,5094,5095,5096,5097,5098,5099,5100,5101,5102, // 128 +5103,5104,5105,5106,5107,5108,5109,5110,5111,5112,4097,5113,5114,5115,5116,5117, // 144 +5118,5119,5120,5121,5122,5123,5124,5125,5126,5127,5128,5129,5130,5131,5132,5133, // 160 +5134,5135,5136,5137,5138,5139,5140,5141,5142,5143,5144,5145,5146,5147,5148,5149, // 176 +5150,5151,5152,4612,5153,5154,5155,5156,5157,5158,5159,5160,5161,5162,5163,5164, // 192 +5165,5166,5167,5168,5169,5170,5171,5172,5173,5174,5175,1472, 598, 618, 820,1205, // 208 +1309,1412,1858,1307,1692,5176,5177,5178,5179,5180,5181,5182,1142,1452,1234,1172, // 224 +1875,2043,2149,1793,1382,2973, 925,2404,1067,1241, 960,1377,2935,1491, 919,1217, // 240 +1865,2030,1406,1499,2749,4098,5183,5184,5185,5186,5187,5188,2561,4099,3117,1804, // 256 +2049,3689,4309,3513,1663,5189,3166,3118,3298,1587,1561,3433,5190,3119,1625,2998, // 272 +3299,4613,1766,3690,2786,4614,5191,5192,5193,5194,2161, 26,3377, 2,3929, 20, // 288 +3691, 47,4100, 50, 17, 16, 35, 268, 27, 243, 42, 155, 24, 154, 29, 184, // 304 + 4, 91, 14, 92, 53, 396, 33, 289, 9, 37, 64, 620, 21, 39, 321, 5, // 320 + 12, 11, 52, 13, 3, 208, 138, 0, 7, 60, 526, 141, 151,1069, 181, 275, // 336 +1591, 83, 132,1475, 126, 331, 829, 15, 69, 160, 59, 22, 157, 55,1079, 312, // 352 + 109, 38, 23, 25, 10, 19, 79,5195, 61, 382,1124, 8, 30,5196,5197,5198, // 368 +5199,5200,5201,5202,5203,5204,5205,5206, 89, 62, 74, 34,2416, 112, 139, 196, // 384 + 271, 149, 84, 607, 131, 765, 46, 88, 153, 683, 76, 874, 101, 258, 57, 80, // 400 + 32, 364, 121,1508, 169,1547, 68, 235, 145,2999, 41, 360,3027, 70, 63, 31, // 416 + 43, 259, 262,1383, 99, 533, 194, 66, 93, 846, 217, 192, 56, 106, 58, 565, // 432 + 280, 272, 311, 256, 146, 82, 308, 71, 100, 128, 214, 655, 110, 261, 104,1140, // 448 + 54, 51, 36, 87, 67,3070, 185,2618,2936,2020, 28,1066,2390,2059,5207,5208, // 464 +5209,5210,5211,5212,5213,5214,5215,5216,4615,5217,5218,5219,5220,5221,5222,5223, // 480 +5224,5225,5226,5227,5228,5229,5230,5231,5232,5233,5234,5235,5236,3514,5237,5238, // 496 +5239,5240,5241,5242,5243,5244,2297,2031,4616,4310,3692,5245,3071,5246,3598,5247, // 512 +4617,3231,3515,5248,4101,4311,4618,3808,4312,4102,5249,4103,4104,3599,5250,5251, // 528 +5252,5253,5254,5255,5256,5257,5258,5259,5260,5261,5262,5263,5264,5265,5266,5267, // 544 +5268,5269,5270,5271,5272,5273,5274,5275,5276,5277,5278,5279,5280,5281,5282,5283, // 560 +5284,5285,5286,5287,5288,5289,5290,5291,5292,5293,5294,5295,5296,5297,5298,5299, // 576 +5300,5301,5302,5303,5304,5305,5306,5307,5308,5309,5310,5311,5312,5313,5314,5315, // 592 +5316,5317,5318,5319,5320,5321,5322,5323,5324,5325,5326,5327,5328,5329,5330,5331, // 608 +5332,5333,5334,5335,5336,5337,5338,5339,5340,5341,5342,5343,5344,5345,5346,5347, // 624 +5348,5349,5350,5351,5352,5353,5354,5355,5356,5357,5358,5359,5360,5361,5362,5363, // 640 +5364,5365,5366,5367,5368,5369,5370,5371,5372,5373,5374,5375,5376,5377,5378,5379, // 656 +5380,5381, 363, 642,2787,2878,2788,2789,2316,3232,2317,3434,2011, 165,1942,3930, // 672 +3931,3932,3933,5382,4619,5383,4620,5384,5385,5386,5387,5388,5389,5390,5391,5392, // 688 +5393,5394,5395,5396,5397,5398,5399,5400,5401,5402,5403,5404,5405,5406,5407,5408, // 704 +5409,5410,5411,5412,5413,5414,5415,5416,5417,5418,5419,5420,5421,5422,5423,5424, // 720 +5425,5426,5427,5428,5429,5430,5431,5432,5433,5434,5435,5436,5437,5438,5439,5440, // 736 +5441,5442,5443,5444,5445,5446,5447,5448,5449,5450,5451,5452,5453,5454,5455,5456, // 752 +5457,5458,5459,5460,5461,5462,5463,5464,5465,5466,5467,5468,5469,5470,5471,5472, // 768 +5473,5474,5475,5476,5477,5478,5479,5480,5481,5482,5483,5484,5485,5486,5487,5488, // 784 +5489,5490,5491,5492,5493,5494,5495,5496,5497,5498,5499,5500,5501,5502,5503,5504, // 800 +5505,5506,5507,5508,5509,5510,5511,5512,5513,5514,5515,5516,5517,5518,5519,5520, // 816 +5521,5522,5523,5524,5525,5526,5527,5528,5529,5530,5531,5532,5533,5534,5535,5536, // 832 +5537,5538,5539,5540,5541,5542,5543,5544,5545,5546,5547,5548,5549,5550,5551,5552, // 848 +5553,5554,5555,5556,5557,5558,5559,5560,5561,5562,5563,5564,5565,5566,5567,5568, // 864 +5569,5570,5571,5572,5573,5574,5575,5576,5577,5578,5579,5580,5581,5582,5583,5584, // 880 +5585,5586,5587,5588,5589,5590,5591,5592,5593,5594,5595,5596,5597,5598,5599,5600, // 896 +5601,5602,5603,5604,5605,5606,5607,5608,5609,5610,5611,5612,5613,5614,5615,5616, // 912 +5617,5618,5619,5620,5621,5622,5623,5624,5625,5626,5627,5628,5629,5630,5631,5632, // 928 +5633,5634,5635,5636,5637,5638,5639,5640,5641,5642,5643,5644,5645,5646,5647,5648, // 944 +5649,5650,5651,5652,5653,5654,5655,5656,5657,5658,5659,5660,5661,5662,5663,5664, // 960 +5665,5666,5667,5668,5669,5670,5671,5672,5673,5674,5675,5676,5677,5678,5679,5680, // 976 +5681,5682,5683,5684,5685,5686,5687,5688,5689,5690,5691,5692,5693,5694,5695,5696, // 992 +5697,5698,5699,5700,5701,5702,5703,5704,5705,5706,5707,5708,5709,5710,5711,5712, // 1008 +5713,5714,5715,5716,5717,5718,5719,5720,5721,5722,5723,5724,5725,5726,5727,5728, // 1024 +5729,5730,5731,5732,5733,5734,5735,5736,5737,5738,5739,5740,5741,5742,5743,5744, // 1040 +5745,5746,5747,5748,5749,5750,5751,5752,5753,5754,5755,5756,5757,5758,5759,5760, // 1056 +5761,5762,5763,5764,5765,5766,5767,5768,5769,5770,5771,5772,5773,5774,5775,5776, // 1072 +5777,5778,5779,5780,5781,5782,5783,5784,5785,5786,5787,5788,5789,5790,5791,5792, // 1088 +5793,5794,5795,5796,5797,5798,5799,5800,5801,5802,5803,5804,5805,5806,5807,5808, // 1104 +5809,5810,5811,5812,5813,5814,5815,5816,5817,5818,5819,5820,5821,5822,5823,5824, // 1120 +5825,5826,5827,5828,5829,5830,5831,5832,5833,5834,5835,5836,5837,5838,5839,5840, // 1136 +5841,5842,5843,5844,5845,5846,5847,5848,5849,5850,5851,5852,5853,5854,5855,5856, // 1152 +5857,5858,5859,5860,5861,5862,5863,5864,5865,5866,5867,5868,5869,5870,5871,5872, // 1168 +5873,5874,5875,5876,5877,5878,5879,5880,5881,5882,5883,5884,5885,5886,5887,5888, // 1184 +5889,5890,5891,5892,5893,5894,5895,5896,5897,5898,5899,5900,5901,5902,5903,5904, // 1200 +5905,5906,5907,5908,5909,5910,5911,5912,5913,5914,5915,5916,5917,5918,5919,5920, // 1216 +5921,5922,5923,5924,5925,5926,5927,5928,5929,5930,5931,5932,5933,5934,5935,5936, // 1232 +5937,5938,5939,5940,5941,5942,5943,5944,5945,5946,5947,5948,5949,5950,5951,5952, // 1248 +5953,5954,5955,5956,5957,5958,5959,5960,5961,5962,5963,5964,5965,5966,5967,5968, // 1264 +5969,5970,5971,5972,5973,5974,5975,5976,5977,5978,5979,5980,5981,5982,5983,5984, // 1280 +5985,5986,5987,5988,5989,5990,5991,5992,5993,5994,5995,5996,5997,5998,5999,6000, // 1296 +6001,6002,6003,6004,6005,6006,6007,6008,6009,6010,6011,6012,6013,6014,6015,6016, // 1312 +6017,6018,6019,6020,6021,6022,6023,6024,6025,6026,6027,6028,6029,6030,6031,6032, // 1328 +6033,6034,6035,6036,6037,6038,6039,6040,6041,6042,6043,6044,6045,6046,6047,6048, // 1344 +6049,6050,6051,6052,6053,6054,6055,6056,6057,6058,6059,6060,6061,6062,6063,6064, // 1360 +6065,6066,6067,6068,6069,6070,6071,6072,6073,6074,6075,6076,6077,6078,6079,6080, // 1376 +6081,6082,6083,6084,6085,6086,6087,6088,6089,6090,6091,6092,6093,6094,6095,6096, // 1392 +6097,6098,6099,6100,6101,6102,6103,6104,6105,6106,6107,6108,6109,6110,6111,6112, // 1408 +6113,6114,2044,2060,4621, 997,1235, 473,1186,4622, 920,3378,6115,6116, 379,1108, // 1424 +4313,2657,2735,3934,6117,3809, 636,3233, 573,1026,3693,3435,2974,3300,2298,4105, // 1440 + 854,2937,2463, 393,2581,2417, 539, 752,1280,2750,2480, 140,1161, 440, 708,1569, // 1456 + 665,2497,1746,1291,1523,3000, 164,1603, 847,1331, 537,1997, 486, 508,1693,2418, // 1472 +1970,2227, 878,1220, 299,1030, 969, 652,2751, 624,1137,3301,2619, 65,3302,2045, // 1488 +1761,1859,3120,1930,3694,3516, 663,1767, 852, 835,3695, 269, 767,2826,2339,1305, // 1504 + 896,1150, 770,1616,6118, 506,1502,2075,1012,2519, 775,2520,2975,2340,2938,4314, // 1520 +3028,2086,1224,1943,2286,6119,3072,4315,2240,1273,1987,3935,1557, 175, 597, 985, // 1536 +3517,2419,2521,1416,3029, 585, 938,1931,1007,1052,1932,1685,6120,3379,4316,4623, // 1552 + 804, 599,3121,1333,2128,2539,1159,1554,2032,3810, 687,2033,2904, 952, 675,1467, // 1568 +3436,6121,2241,1096,1786,2440,1543,1924, 980,1813,2228, 781,2692,1879, 728,1918, // 1584 +3696,4624, 548,1950,4625,1809,1088,1356,3303,2522,1944, 502, 972, 373, 513,2827, // 1600 + 586,2377,2391,1003,1976,1631,6122,2464,1084, 648,1776,4626,2141, 324, 962,2012, // 1616 +2177,2076,1384, 742,2178,1448,1173,1810, 222, 102, 301, 445, 125,2420, 662,2498, // 1632 + 277, 200,1476,1165,1068, 224,2562,1378,1446, 450,1880, 659, 791, 582,4627,2939, // 1648 +3936,1516,1274, 555,2099,3697,1020,1389,1526,3380,1762,1723,1787,2229, 412,2114, // 1664 +1900,2392,3518, 512,2597, 427,1925,2341,3122,1653,1686,2465,2499, 697, 330, 273, // 1680 + 380,2162, 951, 832, 780, 991,1301,3073, 965,2270,3519, 668,2523,2636,1286, 535, // 1696 +1407, 518, 671, 957,2658,2378, 267, 611,2197,3030,6123, 248,2299, 967,1799,2356, // 1712 + 850,1418,3437,1876,1256,1480,2828,1718,6124,6125,1755,1664,2405,6126,4628,2879, // 1728 +2829, 499,2179, 676,4629, 557,2329,2214,2090, 325,3234, 464, 811,3001, 992,2342, // 1744 +2481,1232,1469, 303,2242, 466,1070,2163, 603,1777,2091,4630,2752,4631,2714, 322, // 1760 +2659,1964,1768, 481,2188,1463,2330,2857,3600,2092,3031,2421,4632,2318,2070,1849, // 1776 +2598,4633,1302,2254,1668,1701,2422,3811,2905,3032,3123,2046,4106,1763,1694,4634, // 1792 +1604, 943,1724,1454, 917, 868,2215,1169,2940, 552,1145,1800,1228,1823,1955, 316, // 1808 +1080,2510, 361,1807,2830,4107,2660,3381,1346,1423,1134,4108,6127, 541,1263,1229, // 1824 +1148,2540, 545, 465,1833,2880,3438,1901,3074,2482, 816,3937, 713,1788,2500, 122, // 1840 +1575, 195,1451,2501,1111,6128, 859, 374,1225,2243,2483,4317, 390,1033,3439,3075, // 1856 +2524,1687, 266, 793,1440,2599, 946, 779, 802, 507, 897,1081, 528,2189,1292, 711, // 1872 +1866,1725,1167,1640, 753, 398,2661,1053, 246, 348,4318, 137,1024,3440,1600,2077, // 1888 +2129, 825,4319, 698, 238, 521, 187,2300,1157,2423,1641,1605,1464,1610,1097,2541, // 1904 +1260,1436, 759,2255,1814,2150, 705,3235, 409,2563,3304, 561,3033,2005,2564, 726, // 1920 +1956,2343,3698,4109, 949,3812,3813,3520,1669, 653,1379,2525, 881,2198, 632,2256, // 1936 +1027, 778,1074, 733,1957, 514,1481,2466, 554,2180, 702,3938,1606,1017,1398,6129, // 1952 +1380,3521, 921, 993,1313, 594, 449,1489,1617,1166, 768,1426,1360, 495,1794,3601, // 1968 +1177,3602,1170,4320,2344, 476, 425,3167,4635,3168,1424, 401,2662,1171,3382,1998, // 1984 +1089,4110, 477,3169, 474,6130,1909, 596,2831,1842, 494, 693,1051,1028,1207,3076, // 2000 + 606,2115, 727,2790,1473,1115, 743,3522, 630, 805,1532,4321,2021, 366,1057, 838, // 2016 + 684,1114,2142,4322,2050,1492,1892,1808,2271,3814,2424,1971,1447,1373,3305,1090, // 2032 +1536,3939,3523,3306,1455,2199, 336, 369,2331,1035, 584,2393, 902, 718,2600,6131, // 2048 +2753, 463,2151,1149,1611,2467, 715,1308,3124,1268, 343,1413,3236,1517,1347,2663, // 2064 +2093,3940,2022,1131,1553,2100,2941,1427,3441,2942,1323,2484,6132,1980, 872,2368, // 2080 +2441,2943, 320,2369,2116,1082, 679,1933,3941,2791,3815, 625,1143,2023, 422,2200, // 2096 +3816,6133, 730,1695, 356,2257,1626,2301,2858,2637,1627,1778, 937, 883,2906,2693, // 2112 +3002,1769,1086, 400,1063,1325,3307,2792,4111,3077, 456,2345,1046, 747,6134,1524, // 2128 + 884,1094,3383,1474,2164,1059, 974,1688,2181,2258,1047, 345,1665,1187, 358, 875, // 2144 +3170, 305, 660,3524,2190,1334,1135,3171,1540,1649,2542,1527, 927, 968,2793, 885, // 2160 +1972,1850, 482, 500,2638,1218,1109,1085,2543,1654,2034, 876, 78,2287,1482,1277, // 2176 + 861,1675,1083,1779, 724,2754, 454, 397,1132,1612,2332, 893, 672,1237, 257,2259, // 2192 +2370, 135,3384, 337,2244, 547, 352, 340, 709,2485,1400, 788,1138,2511, 540, 772, // 2208 +1682,2260,2272,2544,2013,1843,1902,4636,1999,1562,2288,4637,2201,1403,1533, 407, // 2224 + 576,3308,1254,2071, 978,3385, 170, 136,1201,3125,2664,3172,2394, 213, 912, 873, // 2240 +3603,1713,2202, 699,3604,3699, 813,3442, 493, 531,1054, 468,2907,1483, 304, 281, // 2256 +4112,1726,1252,2094, 339,2319,2130,2639, 756,1563,2944, 748, 571,2976,1588,2425, // 2272 +2715,1851,1460,2426,1528,1392,1973,3237, 288,3309, 685,3386, 296, 892,2716,2216, // 2288 +1570,2245, 722,1747,2217, 905,3238,1103,6135,1893,1441,1965, 251,1805,2371,3700, // 2304 +2601,1919,1078, 75,2182,1509,1592,1270,2640,4638,2152,6136,3310,3817, 524, 706, // 2320 +1075, 292,3818,1756,2602, 317, 98,3173,3605,3525,1844,2218,3819,2502, 814, 567, // 2336 + 385,2908,1534,6137, 534,1642,3239, 797,6138,1670,1529, 953,4323, 188,1071, 538, // 2352 + 178, 729,3240,2109,1226,1374,2000,2357,2977, 731,2468,1116,2014,2051,6139,1261, // 2368 +1593, 803,2859,2736,3443, 556, 682, 823,1541,6140,1369,2289,1706,2794, 845, 462, // 2384 +2603,2665,1361, 387, 162,2358,1740, 739,1770,1720,1304,1401,3241,1049, 627,1571, // 2400 +2427,3526,1877,3942,1852,1500, 431,1910,1503, 677, 297,2795, 286,1433,1038,1198, // 2416 +2290,1133,1596,4113,4639,2469,1510,1484,3943,6141,2442, 108, 712,4640,2372, 866, // 2432 +3701,2755,3242,1348, 834,1945,1408,3527,2395,3243,1811, 824, 994,1179,2110,1548, // 2448 +1453, 790,3003, 690,4324,4325,2832,2909,3820,1860,3821, 225,1748, 310, 346,1780, // 2464 +2470, 821,1993,2717,2796, 828, 877,3528,2860,2471,1702,2165,2910,2486,1789, 453, // 2480 + 359,2291,1676, 73,1164,1461,1127,3311, 421, 604, 314,1037, 589, 116,2487, 737, // 2496 + 837,1180, 111, 244, 735,6142,2261,1861,1362, 986, 523, 418, 581,2666,3822, 103, // 2512 + 855, 503,1414,1867,2488,1091, 657,1597, 979, 605,1316,4641,1021,2443,2078,2001, // 2528 +1209, 96, 587,2166,1032, 260,1072,2153, 173, 94, 226,3244, 819,2006,4642,4114, // 2544 +2203, 231,1744, 782, 97,2667, 786,3387, 887, 391, 442,2219,4326,1425,6143,2694, // 2560 + 633,1544,1202, 483,2015, 592,2052,1958,2472,1655, 419, 129,4327,3444,3312,1714, // 2576 +1257,3078,4328,1518,1098, 865,1310,1019,1885,1512,1734, 469,2444, 148, 773, 436, // 2592 +1815,1868,1128,1055,4329,1245,2756,3445,2154,1934,1039,4643, 579,1238, 932,2320, // 2608 + 353, 205, 801, 115,2428, 944,2321,1881, 399,2565,1211, 678, 766,3944, 335,2101, // 2624 +1459,1781,1402,3945,2737,2131,1010, 844, 981,1326,1013, 550,1816,1545,2620,1335, // 2640 +1008, 371,2881, 936,1419,1613,3529,1456,1395,2273,1834,2604,1317,2738,2503, 416, // 2656 +1643,4330, 806,1126, 229, 591,3946,1314,1981,1576,1837,1666, 347,1790, 977,3313, // 2672 + 764,2861,1853, 688,2429,1920,1462, 77, 595, 415,2002,3034, 798,1192,4115,6144, // 2688 +2978,4331,3035,2695,2582,2072,2566, 430,2430,1727, 842,1396,3947,3702, 613, 377, // 2704 + 278, 236,1417,3388,3314,3174, 757,1869, 107,3530,6145,1194, 623,2262, 207,1253, // 2720 +2167,3446,3948, 492,1117,1935, 536,1838,2757,1246,4332, 696,2095,2406,1393,1572, // 2736 +3175,1782, 583, 190, 253,1390,2230, 830,3126,3389, 934,3245,1703,1749,2979,1870, // 2752 +2545,1656,2204, 869,2346,4116,3176,1817, 496,1764,4644, 942,1504, 404,1903,1122, // 2768 +1580,3606,2945,1022, 515, 372,1735, 955,2431,3036,6146,2797,1110,2302,2798, 617, // 2784 +6147, 441, 762,1771,3447,3607,3608,1904, 840,3037, 86, 939,1385, 572,1370,2445, // 2800 +1336, 114,3703, 898, 294, 203,3315, 703,1583,2274, 429, 961,4333,1854,1951,3390, // 2816 +2373,3704,4334,1318,1381, 966,1911,2322,1006,1155, 309, 989, 458,2718,1795,1372, // 2832 +1203, 252,1689,1363,3177, 517,1936, 168,1490, 562, 193,3823,1042,4117,1835, 551, // 2848 + 470,4645, 395, 489,3448,1871,1465,2583,2641, 417,1493, 279,1295, 511,1236,1119, // 2864 + 72,1231,1982,1812,3004, 871,1564, 984,3449,1667,2696,2096,4646,2347,2833,1673, // 2880 +3609, 695,3246,2668, 807,1183,4647, 890, 388,2333,1801,1457,2911,1765,1477,1031, // 2896 +3316,3317,1278,3391,2799,2292,2526, 163,3450,4335,2669,1404,1802,6148,2323,2407, // 2912 +1584,1728,1494,1824,1269, 298, 909,3318,1034,1632, 375, 776,1683,2061, 291, 210, // 2928 +1123, 809,1249,1002,2642,3038, 206,1011,2132, 144, 975, 882,1565, 342, 667, 754, // 2944 +1442,2143,1299,2303,2062, 447, 626,2205,1221,2739,2912,1144,1214,2206,2584, 760, // 2960 +1715, 614, 950,1281,2670,2621, 810, 577,1287,2546,4648, 242,2168, 250,2643, 691, // 2976 + 123,2644, 647, 313,1029, 689,1357,2946,1650, 216, 771,1339,1306, 808,2063, 549, // 2992 + 913,1371,2913,2914,6149,1466,1092,1174,1196,1311,2605,2396,1783,1796,3079, 406, // 3008 +2671,2117,3949,4649, 487,1825,2220,6150,2915, 448,2348,1073,6151,2397,1707, 130, // 3024 + 900,1598, 329, 176,1959,2527,1620,6152,2275,4336,3319,1983,2191,3705,3610,2155, // 3040 +3706,1912,1513,1614,6153,1988, 646, 392,2304,1589,3320,3039,1826,1239,1352,1340, // 3056 +2916, 505,2567,1709,1437,2408,2547, 906,6154,2672, 384,1458,1594,1100,1329, 710, // 3072 + 423,3531,2064,2231,2622,1989,2673,1087,1882, 333, 841,3005,1296,2882,2379, 580, // 3088 +1937,1827,1293,2585, 601, 574, 249,1772,4118,2079,1120, 645, 901,1176,1690, 795, // 3104 +2207, 478,1434, 516,1190,1530, 761,2080, 930,1264, 355, 435,1552, 644,1791, 987, // 3120 + 220,1364,1163,1121,1538, 306,2169,1327,1222, 546,2645, 218, 241, 610,1704,3321, // 3136 +1984,1839,1966,2528, 451,6155,2586,3707,2568, 907,3178, 254,2947, 186,1845,4650, // 3152 + 745, 432,1757, 428,1633, 888,2246,2221,2489,3611,2118,1258,1265, 956,3127,1784, // 3168 +4337,2490, 319, 510, 119, 457,3612, 274,2035,2007,4651,1409,3128, 970,2758, 590, // 3184 +2800, 661,2247,4652,2008,3950,1420,1549,3080,3322,3951,1651,1375,2111, 485,2491, // 3200 +1429,1156,6156,2548,2183,1495, 831,1840,2529,2446, 501,1657, 307,1894,3247,1341, // 3216 + 666, 899,2156,1539,2549,1559, 886, 349,2208,3081,2305,1736,3824,2170,2759,1014, // 3232 +1913,1386, 542,1397,2948, 490, 368, 716, 362, 159, 282,2569,1129,1658,1288,1750, // 3248 +2674, 276, 649,2016, 751,1496, 658,1818,1284,1862,2209,2087,2512,3451, 622,2834, // 3264 + 376, 117,1060,2053,1208,1721,1101,1443, 247,1250,3179,1792,3952,2760,2398,3953, // 3280 +6157,2144,3708, 446,2432,1151,2570,3452,2447,2761,2835,1210,2448,3082, 424,2222, // 3296 +1251,2449,2119,2836, 504,1581,4338, 602, 817, 857,3825,2349,2306, 357,3826,1470, // 3312 +1883,2883, 255, 958, 929,2917,3248, 302,4653,1050,1271,1751,2307,1952,1430,2697, // 3328 +2719,2359, 354,3180, 777, 158,2036,4339,1659,4340,4654,2308,2949,2248,1146,2232, // 3344 +3532,2720,1696,2623,3827,6158,3129,1550,2698,1485,1297,1428, 637, 931,2721,2145, // 3360 + 914,2550,2587, 81,2450, 612, 827,2646,1242,4655,1118,2884, 472,1855,3181,3533, // 3376 +3534, 569,1353,2699,1244,1758,2588,4119,2009,2762,2171,3709,1312,1531,6159,1152, // 3392 +1938, 134,1830, 471,3710,2276,1112,1535,3323,3453,3535, 982,1337,2950, 488, 826, // 3408 + 674,1058,1628,4120,2017, 522,2399, 211, 568,1367,3454, 350, 293,1872,1139,3249, // 3424 +1399,1946,3006,1300,2360,3324, 588, 736,6160,2606, 744, 669,3536,3828,6161,1358, // 3440 + 199, 723, 848, 933, 851,1939,1505,1514,1338,1618,1831,4656,1634,3613, 443,2740, // 3456 +3829, 717,1947, 491,1914,6162,2551,1542,4121,1025,6163,1099,1223, 198,3040,2722, // 3472 + 370, 410,1905,2589, 998,1248,3182,2380, 519,1449,4122,1710, 947, 928,1153,4341, // 3488 +2277, 344,2624,1511, 615, 105, 161,1212,1076,1960,3130,2054,1926,1175,1906,2473, // 3504 + 414,1873,2801,6164,2309, 315,1319,3325, 318,2018,2146,2157, 963, 631, 223,4342, // 3520 +4343,2675, 479,3711,1197,2625,3712,2676,2361,6165,4344,4123,6166,2451,3183,1886, // 3536 +2184,1674,1330,1711,1635,1506, 799, 219,3250,3083,3954,1677,3713,3326,2081,3614, // 3552 +1652,2073,4657,1147,3041,1752, 643,1961, 147,1974,3955,6167,1716,2037, 918,3007, // 3568 +1994, 120,1537, 118, 609,3184,4345, 740,3455,1219, 332,1615,3830,6168,1621,2980, // 3584 +1582, 783, 212, 553,2350,3714,1349,2433,2082,4124, 889,6169,2310,1275,1410, 973, // 3600 + 166,1320,3456,1797,1215,3185,2885,1846,2590,2763,4658, 629, 822,3008, 763, 940, // 3616 +1990,2862, 439,2409,1566,1240,1622, 926,1282,1907,2764, 654,2210,1607, 327,1130, // 3632 +3956,1678,1623,6170,2434,2192, 686, 608,3831,3715, 903,3957,3042,6171,2741,1522, // 3648 +1915,1105,1555,2552,1359, 323,3251,4346,3457, 738,1354,2553,2311,2334,1828,2003, // 3664 +3832,1753,2351,1227,6172,1887,4125,1478,6173,2410,1874,1712,1847, 520,1204,2607, // 3680 + 264,4659, 836,2677,2102, 600,4660,3833,2278,3084,6174,4347,3615,1342, 640, 532, // 3696 + 543,2608,1888,2400,2591,1009,4348,1497, 341,1737,3616,2723,1394, 529,3252,1321, // 3712 + 983,4661,1515,2120, 971,2592, 924, 287,1662,3186,4349,2700,4350,1519, 908,1948, // 3728 +2452, 156, 796,1629,1486,2223,2055, 694,4126,1259,1036,3392,1213,2249,2742,1889, // 3744 +1230,3958,1015, 910, 408, 559,3617,4662, 746, 725, 935,4663,3959,3009,1289, 563, // 3760 + 867,4664,3960,1567,2981,2038,2626, 988,2263,2381,4351, 143,2374, 704,1895,6175, // 3776 +1188,3716,2088, 673,3085,2362,4352, 484,1608,1921,2765,2918, 215, 904,3618,3537, // 3792 + 894, 509, 976,3043,2701,3961,4353,2837,2982, 498,6176,6177,1102,3538,1332,3393, // 3808 +1487,1636,1637, 233, 245,3962, 383, 650, 995,3044, 460,1520,1206,2352, 749,3327, // 3824 + 530, 700, 389,1438,1560,1773,3963,2264, 719,2951,2724,3834, 870,1832,1644,1000, // 3840 + 839,2474,3717, 197,1630,3394, 365,2886,3964,1285,2133, 734, 922, 818,1106, 732, // 3856 + 480,2083,1774,3458, 923,2279,1350, 221,3086, 85,2233,2234,3835,1585,3010,2147, // 3872 +1387,1705,2382,1619,2475, 133, 239,2802,1991,1016,2084,2383, 411,2838,1113, 651, // 3888 +1985,1160,3328, 990,1863,3087,1048,1276,2647, 265,2627,1599,3253,2056, 150, 638, // 3904 +2019, 656, 853, 326,1479, 680,1439,4354,1001,1759, 413,3459,3395,2492,1431, 459, // 3920 +4355,1125,3329,2265,1953,1450,2065,2863, 849, 351,2678,3131,3254,3255,1104,1577, // 3936 + 227,1351,1645,2453,2193,1421,2887, 812,2121, 634, 95,2435, 201,2312,4665,1646, // 3952 +1671,2743,1601,2554,2702,2648,2280,1315,1366,2089,3132,1573,3718,3965,1729,1189, // 3968 + 328,2679,1077,1940,1136, 558,1283, 964,1195, 621,2074,1199,1743,3460,3619,1896, // 3984 +1916,1890,3836,2952,1154,2112,1064, 862, 378,3011,2066,2113,2803,1568,2839,6178, // 4000 +3088,2919,1941,1660,2004,1992,2194, 142, 707,1590,1708,1624,1922,1023,1836,1233, // 4016 +1004,2313, 789, 741,3620,6179,1609,2411,1200,4127,3719,3720,4666,2057,3721, 593, // 4032 +2840, 367,2920,1878,6180,3461,1521, 628,1168, 692,2211,2649, 300, 720,2067,2571, // 4048 +2953,3396, 959,2504,3966,3539,3462,1977, 701,6181, 954,1043, 800, 681, 183,3722, // 4064 +1803,1730,3540,4128,2103, 815,2314, 174, 467, 230,2454,1093,2134, 755,3541,3397, // 4080 +1141,1162,6182,1738,2039, 270,3256,2513,1005,1647,2185,3837, 858,1679,1897,1719, // 4096 +2954,2324,1806, 402, 670, 167,4129,1498,2158,2104, 750,6183, 915, 189,1680,1551, // 4112 + 455,4356,1501,2455, 405,1095,2955, 338,1586,1266,1819, 570, 641,1324, 237,1556, // 4128 +2650,1388,3723,6184,1368,2384,1343,1978,3089,2436, 879,3724, 792,1191, 758,3012, // 4144 +1411,2135,1322,4357, 240,4667,1848,3725,1574,6185, 420,3045,1546,1391, 714,4358, // 4160 +1967, 941,1864, 863, 664, 426, 560,1731,2680,1785,2864,1949,2363, 403,3330,1415, // 4176 +1279,2136,1697,2335, 204, 721,2097,3838, 90,6186,2085,2505, 191,3967, 124,2148, // 4192 +1376,1798,1178,1107,1898,1405, 860,4359,1243,1272,2375,2983,1558,2456,1638, 113, // 4208 +3621, 578,1923,2609, 880, 386,4130, 784,2186,2266,1422,2956,2172,1722, 497, 263, // 4224 +2514,1267,2412,2610, 177,2703,3542, 774,1927,1344, 616,1432,1595,1018, 172,4360, // 4240 +2325, 911,4361, 438,1468,3622, 794,3968,2024,2173,1681,1829,2957, 945, 895,3090, // 4256 + 575,2212,2476, 475,2401,2681, 785,2744,1745,2293,2555,1975,3133,2865, 394,4668, // 4272 +3839, 635,4131, 639, 202,1507,2195,2766,1345,1435,2572,3726,1908,1184,1181,2457, // 4288 +3727,3134,4362, 843,2611, 437, 916,4669, 234, 769,1884,3046,3047,3623, 833,6187, // 4304 +1639,2250,2402,1355,1185,2010,2047, 999, 525,1732,1290,1488,2612, 948,1578,3728, // 4320 +2413,2477,1216,2725,2159, 334,3840,1328,3624,2921,1525,4132, 564,1056, 891,4363, // 4336 +1444,1698,2385,2251,3729,1365,2281,2235,1717,6188, 864,3841,2515, 444, 527,2767, // 4352 +2922,3625, 544, 461,6189, 566, 209,2437,3398,2098,1065,2068,3331,3626,3257,2137, // 4368 //last 512 + +/*************************************************************************************** + *Everything below is of no interest for detection purpose * + *************************************************************************************** + +2138,2122,3730,2888,1995,1820,1044,6190,6191,6192,6193,6194,6195,6196,6197,6198, // 4384 +6199,6200,6201,6202,6203,6204,6205,4670,6206,6207,6208,6209,6210,6211,6212,6213, // 4400 +6214,6215,6216,6217,6218,6219,6220,6221,6222,6223,6224,6225,6226,6227,6228,6229, // 4416 +6230,6231,6232,6233,6234,6235,6236,6237,3187,6238,6239,3969,6240,6241,6242,6243, // 4432 +6244,4671,6245,6246,4672,6247,6248,4133,6249,6250,4364,6251,2923,2556,2613,4673, // 4448 +4365,3970,6252,6253,6254,6255,4674,6256,6257,6258,2768,2353,4366,4675,4676,3188, // 4464 +4367,3463,6259,4134,4677,4678,6260,2267,6261,3842,3332,4368,3543,6262,6263,6264, // 4480 +3013,1954,1928,4135,4679,6265,6266,2478,3091,6267,4680,4369,6268,6269,1699,6270, // 4496 +3544,4136,4681,6271,4137,6272,4370,2804,6273,6274,2593,3971,3972,4682,6275,2236, // 4512 +4683,6276,6277,4684,6278,6279,4138,3973,4685,6280,6281,3258,6282,6283,6284,6285, // 4528 +3974,4686,2841,3975,6286,6287,3545,6288,6289,4139,4687,4140,6290,4141,6291,4142, // 4544 +6292,6293,3333,6294,6295,6296,4371,6297,3399,6298,6299,4372,3976,6300,6301,6302, // 4560 +4373,6303,6304,3843,3731,6305,4688,4374,6306,6307,3259,2294,6308,3732,2530,4143, // 4576 +6309,4689,6310,6311,6312,3048,6313,6314,4690,3733,2237,6315,6316,2282,3334,6317, // 4592 +6318,3844,6319,6320,4691,6321,3400,4692,6322,4693,6323,3049,6324,4375,6325,3977, // 4608 +6326,6327,6328,3546,6329,4694,3335,6330,4695,4696,6331,6332,6333,6334,4376,3978, // 4624 +6335,4697,3979,4144,6336,3980,4698,6337,6338,6339,6340,6341,4699,4700,4701,6342, // 4640 +6343,4702,6344,6345,4703,6346,6347,4704,6348,4705,4706,3135,6349,4707,6350,4708, // 4656 +6351,4377,6352,4709,3734,4145,6353,2506,4710,3189,6354,3050,4711,3981,6355,3547, // 4672 +3014,4146,4378,3735,2651,3845,3260,3136,2224,1986,6356,3401,6357,4712,2594,3627, // 4688 +3137,2573,3736,3982,4713,3628,4714,4715,2682,3629,4716,6358,3630,4379,3631,6359, // 4704 +6360,6361,3983,6362,6363,6364,6365,4147,3846,4717,6366,6367,3737,2842,6368,4718, // 4720 +2628,6369,3261,6370,2386,6371,6372,3738,3984,4719,3464,4720,3402,6373,2924,3336, // 4736 +4148,2866,6374,2805,3262,4380,2704,2069,2531,3138,2806,2984,6375,2769,6376,4721, // 4752 +4722,3403,6377,6378,3548,6379,6380,2705,3092,1979,4149,2629,3337,2889,6381,3338, // 4768 +4150,2557,3339,4381,6382,3190,3263,3739,6383,4151,4723,4152,2558,2574,3404,3191, // 4784 +6384,6385,4153,6386,4724,4382,6387,6388,4383,6389,6390,4154,6391,4725,3985,6392, // 4800 +3847,4155,6393,6394,6395,6396,6397,3465,6398,4384,6399,6400,6401,6402,6403,6404, // 4816 +4156,6405,6406,6407,6408,2123,6409,6410,2326,3192,4726,6411,6412,6413,6414,4385, // 4832 +4157,6415,6416,4158,6417,3093,3848,6418,3986,6419,6420,3849,6421,6422,6423,4159, // 4848 +6424,6425,4160,6426,3740,6427,6428,6429,6430,3987,6431,4727,6432,2238,6433,6434, // 4864 +4386,3988,6435,6436,3632,6437,6438,2843,6439,6440,6441,6442,3633,6443,2958,6444, // 4880 +6445,3466,6446,2364,4387,3850,6447,4388,2959,3340,6448,3851,6449,4728,6450,6451, // 4896 +3264,4729,6452,3193,6453,4389,4390,2706,3341,4730,6454,3139,6455,3194,6456,3051, // 4912 +2124,3852,1602,4391,4161,3853,1158,3854,4162,3989,4392,3990,4731,4732,4393,2040, // 4928 +4163,4394,3265,6457,2807,3467,3855,6458,6459,6460,3991,3468,4733,4734,6461,3140, // 4944 +2960,6462,4735,6463,6464,6465,6466,4736,4737,4738,4739,6467,6468,4164,2403,3856, // 4960 +6469,6470,2770,2844,6471,4740,6472,6473,6474,6475,6476,6477,6478,3195,6479,4741, // 4976 +4395,6480,2867,6481,4742,2808,6482,2493,4165,6483,6484,6485,6486,2295,4743,6487, // 4992 +6488,6489,3634,6490,6491,6492,6493,6494,6495,6496,2985,4744,6497,6498,4745,6499, // 5008 +6500,2925,3141,4166,6501,6502,4746,6503,6504,4747,6505,6506,6507,2890,6508,6509, // 5024 +6510,6511,6512,6513,6514,6515,6516,6517,6518,6519,3469,4167,6520,6521,6522,4748, // 5040 +4396,3741,4397,4749,4398,3342,2125,4750,6523,4751,4752,4753,3052,6524,2961,4168, // 5056 +6525,4754,6526,4755,4399,2926,4169,6527,3857,6528,4400,4170,6529,4171,6530,6531, // 5072 +2595,6532,6533,6534,6535,3635,6536,6537,6538,6539,6540,6541,6542,4756,6543,6544, // 5088 +6545,6546,6547,6548,4401,6549,6550,6551,6552,4402,3405,4757,4403,6553,6554,6555, // 5104 +4172,3742,6556,6557,6558,3992,3636,6559,6560,3053,2726,6561,3549,4173,3054,4404, // 5120 +6562,6563,3993,4405,3266,3550,2809,4406,6564,6565,6566,4758,4759,6567,3743,6568, // 5136 +4760,3744,4761,3470,6569,6570,6571,4407,6572,3745,4174,6573,4175,2810,4176,3196, // 5152 +4762,6574,4177,6575,6576,2494,2891,3551,6577,6578,3471,6579,4408,6580,3015,3197, // 5168 +6581,3343,2532,3994,3858,6582,3094,3406,4409,6583,2892,4178,4763,4410,3016,4411, // 5184 +6584,3995,3142,3017,2683,6585,4179,6586,6587,4764,4412,6588,6589,4413,6590,2986, // 5200 +6591,2962,3552,6592,2963,3472,6593,6594,4180,4765,6595,6596,2225,3267,4414,6597, // 5216 +3407,3637,4766,6598,6599,3198,6600,4415,6601,3859,3199,6602,3473,4767,2811,4416, // 5232 +1856,3268,3200,2575,3996,3997,3201,4417,6603,3095,2927,6604,3143,6605,2268,6606, // 5248 +3998,3860,3096,2771,6607,6608,3638,2495,4768,6609,3861,6610,3269,2745,4769,4181, // 5264 +3553,6611,2845,3270,6612,6613,6614,3862,6615,6616,4770,4771,6617,3474,3999,4418, // 5280 +4419,6618,3639,3344,6619,4772,4182,6620,2126,6621,6622,6623,4420,4773,6624,3018, // 5296 +6625,4774,3554,6626,4183,2025,3746,6627,4184,2707,6628,4421,4422,3097,1775,4185, // 5312 +3555,6629,6630,2868,6631,6632,4423,6633,6634,4424,2414,2533,2928,6635,4186,2387, // 5328 +6636,4775,6637,4187,6638,1891,4425,3202,3203,6639,6640,4776,6641,3345,6642,6643, // 5344 +3640,6644,3475,3346,3641,4000,6645,3144,6646,3098,2812,4188,3642,3204,6647,3863, // 5360 +3476,6648,3864,6649,4426,4001,6650,6651,6652,2576,6653,4189,4777,6654,6655,6656, // 5376 +2846,6657,3477,3205,4002,6658,4003,6659,3347,2252,6660,6661,6662,4778,6663,6664, // 5392 +6665,6666,6667,6668,6669,4779,4780,2048,6670,3478,3099,6671,3556,3747,4004,6672, // 5408 +6673,6674,3145,4005,3748,6675,6676,6677,6678,6679,3408,6680,6681,6682,6683,3206, // 5424 +3207,6684,6685,4781,4427,6686,4782,4783,4784,6687,6688,6689,4190,6690,6691,3479, // 5440 +6692,2746,6693,4428,6694,6695,6696,6697,6698,6699,4785,6700,6701,3208,2727,6702, // 5456 +3146,6703,6704,3409,2196,6705,4429,6706,6707,6708,2534,1996,6709,6710,6711,2747, // 5472 +6712,6713,6714,4786,3643,6715,4430,4431,6716,3557,6717,4432,4433,6718,6719,6720, // 5488 +6721,3749,6722,4006,4787,6723,6724,3644,4788,4434,6725,6726,4789,2772,6727,6728, // 5504 +6729,6730,6731,2708,3865,2813,4435,6732,6733,4790,4791,3480,6734,6735,6736,6737, // 5520 +4436,3348,6738,3410,4007,6739,6740,4008,6741,6742,4792,3411,4191,6743,6744,6745, // 5536 +6746,6747,3866,6748,3750,6749,6750,6751,6752,6753,6754,6755,3867,6756,4009,6757, // 5552 +4793,4794,6758,2814,2987,6759,6760,6761,4437,6762,6763,6764,6765,3645,6766,6767, // 5568 +3481,4192,6768,3751,6769,6770,2174,6771,3868,3752,6772,6773,6774,4193,4795,4438, // 5584 +3558,4796,4439,6775,4797,6776,6777,4798,6778,4799,3559,4800,6779,6780,6781,3482, // 5600 +6782,2893,6783,6784,4194,4801,4010,6785,6786,4440,6787,4011,6788,6789,6790,6791, // 5616 +6792,6793,4802,6794,6795,6796,4012,6797,6798,6799,6800,3349,4803,3483,6801,4804, // 5632 +4195,6802,4013,6803,6804,4196,6805,4014,4015,6806,2847,3271,2848,6807,3484,6808, // 5648 +6809,6810,4441,6811,4442,4197,4443,3272,4805,6812,3412,4016,1579,6813,6814,4017, // 5664 +6815,3869,6816,2964,6817,4806,6818,6819,4018,3646,6820,6821,4807,4019,4020,6822, // 5680 +6823,3560,6824,6825,4021,4444,6826,4198,6827,6828,4445,6829,6830,4199,4808,6831, // 5696 +6832,6833,3870,3019,2458,6834,3753,3413,3350,6835,4809,3871,4810,3561,4446,6836, // 5712 +6837,4447,4811,4812,6838,2459,4448,6839,4449,6840,6841,4022,3872,6842,4813,4814, // 5728 +6843,6844,4815,4200,4201,4202,6845,4023,6846,6847,4450,3562,3873,6848,6849,4816, // 5744 +4817,6850,4451,4818,2139,6851,3563,6852,6853,3351,6854,6855,3352,4024,2709,3414, // 5760 +4203,4452,6856,4204,6857,6858,3874,3875,6859,6860,4819,6861,6862,6863,6864,4453, // 5776 +3647,6865,6866,4820,6867,6868,6869,6870,4454,6871,2869,6872,6873,4821,6874,3754, // 5792 +6875,4822,4205,6876,6877,6878,3648,4206,4455,6879,4823,6880,4824,3876,6881,3055, // 5808 +4207,6882,3415,6883,6884,6885,4208,4209,6886,4210,3353,6887,3354,3564,3209,3485, // 5824 +2652,6888,2728,6889,3210,3755,6890,4025,4456,6891,4825,6892,6893,6894,6895,4211, // 5840 +6896,6897,6898,4826,6899,6900,4212,6901,4827,6902,2773,3565,6903,4828,6904,6905, // 5856 +6906,6907,3649,3650,6908,2849,3566,6909,3567,3100,6910,6911,6912,6913,6914,6915, // 5872 +4026,6916,3355,4829,3056,4457,3756,6917,3651,6918,4213,3652,2870,6919,4458,6920, // 5888 +2438,6921,6922,3757,2774,4830,6923,3356,4831,4832,6924,4833,4459,3653,2507,6925, // 5904 +4834,2535,6926,6927,3273,4027,3147,6928,3568,6929,6930,6931,4460,6932,3877,4461, // 5920 +2729,3654,6933,6934,6935,6936,2175,4835,2630,4214,4028,4462,4836,4215,6937,3148, // 5936 +4216,4463,4837,4838,4217,6938,6939,2850,4839,6940,4464,6941,6942,6943,4840,6944, // 5952 +4218,3274,4465,6945,6946,2710,6947,4841,4466,6948,6949,2894,6950,6951,4842,6952, // 5968 +4219,3057,2871,6953,6954,6955,6956,4467,6957,2711,6958,6959,6960,3275,3101,4843, // 5984 +6961,3357,3569,6962,4844,6963,6964,4468,4845,3570,6965,3102,4846,3758,6966,4847, // 6000 +3878,4848,4849,4029,6967,2929,3879,4850,4851,6968,6969,1733,6970,4220,6971,6972, // 6016 +6973,6974,6975,6976,4852,6977,6978,6979,6980,6981,6982,3759,6983,6984,6985,3486, // 6032 +3487,6986,3488,3416,6987,6988,6989,6990,6991,6992,6993,6994,6995,6996,6997,4853, // 6048 +6998,6999,4030,7000,7001,3211,7002,7003,4221,7004,7005,3571,4031,7006,3572,7007, // 6064 +2614,4854,2577,7008,7009,2965,3655,3656,4855,2775,3489,3880,4222,4856,3881,4032, // 6080 +3882,3657,2730,3490,4857,7010,3149,7011,4469,4858,2496,3491,4859,2283,7012,7013, // 6096 +7014,2365,4860,4470,7015,7016,3760,7017,7018,4223,1917,7019,7020,7021,4471,7022, // 6112 +2776,4472,7023,7024,7025,7026,4033,7027,3573,4224,4861,4034,4862,7028,7029,1929, // 6128 +3883,4035,7030,4473,3058,7031,2536,3761,3884,7032,4036,7033,2966,2895,1968,4474, // 6144 +3276,4225,3417,3492,4226,2105,7034,7035,1754,2596,3762,4227,4863,4475,3763,4864, // 6160 +3764,2615,2777,3103,3765,3658,3418,4865,2296,3766,2815,7036,7037,7038,3574,2872, // 6176 +3277,4476,7039,4037,4477,7040,7041,4038,7042,7043,7044,7045,7046,7047,2537,7048, // 6192 +7049,7050,7051,7052,7053,7054,4478,7055,7056,3767,3659,4228,3575,7057,7058,4229, // 6208 +7059,7060,7061,3660,7062,3212,7063,3885,4039,2460,7064,7065,7066,7067,7068,7069, // 6224 +7070,7071,7072,7073,7074,4866,3768,4867,7075,7076,7077,7078,4868,3358,3278,2653, // 6240 +7079,7080,4479,3886,7081,7082,4869,7083,7084,7085,7086,7087,7088,2538,7089,7090, // 6256 +7091,4040,3150,3769,4870,4041,2896,3359,4230,2930,7092,3279,7093,2967,4480,3213, // 6272 +4481,3661,7094,7095,7096,7097,7098,7099,7100,7101,7102,2461,3770,7103,7104,4231, // 6288 +3151,7105,7106,7107,4042,3662,7108,7109,4871,3663,4872,4043,3059,7110,7111,7112, // 6304 +3493,2988,7113,4873,7114,7115,7116,3771,4874,7117,7118,4232,4875,7119,3576,2336, // 6320 +4876,7120,4233,3419,4044,4877,4878,4482,4483,4879,4484,4234,7121,3772,4880,1045, // 6336 +3280,3664,4881,4882,7122,7123,7124,7125,4883,7126,2778,7127,4485,4486,7128,4884, // 6352 +3214,3887,7129,7130,3215,7131,4885,4045,7132,7133,4046,7134,7135,7136,7137,7138, // 6368 +7139,7140,7141,7142,7143,4235,7144,4886,7145,7146,7147,4887,7148,7149,7150,4487, // 6384 +4047,4488,7151,7152,4888,4048,2989,3888,7153,3665,7154,4049,7155,7156,7157,7158, // 6400 +7159,7160,2931,4889,4890,4489,7161,2631,3889,4236,2779,7162,7163,4891,7164,3060, // 6416 +7165,1672,4892,7166,4893,4237,3281,4894,7167,7168,3666,7169,3494,7170,7171,4050, // 6432 +7172,7173,3104,3360,3420,4490,4051,2684,4052,7174,4053,7175,7176,7177,2253,4054, // 6448 +7178,7179,4895,7180,3152,3890,3153,4491,3216,7181,7182,7183,2968,4238,4492,4055, // 6464 +7184,2990,7185,2479,7186,7187,4493,7188,7189,7190,7191,7192,4896,7193,4897,2969, // 6480 +4494,4898,7194,3495,7195,7196,4899,4495,7197,3105,2731,7198,4900,7199,7200,7201, // 6496 +4056,7202,3361,7203,7204,4496,4901,4902,7205,4497,7206,7207,2315,4903,7208,4904, // 6512 +7209,4905,2851,7210,7211,3577,7212,3578,4906,7213,4057,3667,4907,7214,4058,2354, // 6528 +3891,2376,3217,3773,7215,7216,7217,7218,7219,4498,7220,4908,3282,2685,7221,3496, // 6544 +4909,2632,3154,4910,7222,2337,7223,4911,7224,7225,7226,4912,4913,3283,4239,4499, // 6560 +7227,2816,7228,7229,7230,7231,7232,7233,7234,4914,4500,4501,7235,7236,7237,2686, // 6576 +7238,4915,7239,2897,4502,7240,4503,7241,2516,7242,4504,3362,3218,7243,7244,7245, // 6592 +4916,7246,7247,4505,3363,7248,7249,7250,7251,3774,4506,7252,7253,4917,7254,7255, // 6608 +3284,2991,4918,4919,3219,3892,4920,3106,3497,4921,7256,7257,7258,4922,7259,4923, // 6624 +3364,4507,4508,4059,7260,4240,3498,7261,7262,4924,7263,2992,3893,4060,3220,7264, // 6640 +7265,7266,7267,7268,7269,4509,3775,7270,2817,7271,4061,4925,4510,3776,7272,4241, // 6656 +4511,3285,7273,7274,3499,7275,7276,7277,4062,4512,4926,7278,3107,3894,7279,7280, // 6672 +4927,7281,4513,7282,7283,3668,7284,7285,4242,4514,4243,7286,2058,4515,4928,4929, // 6688 +4516,7287,3286,4244,7288,4517,7289,7290,7291,3669,7292,7293,4930,4931,4932,2355, // 6704 +4933,7294,2633,4518,7295,4245,7296,7297,4519,7298,7299,4520,4521,4934,7300,4246, // 6720 +4522,7301,7302,7303,3579,7304,4247,4935,7305,4936,7306,7307,7308,7309,3777,7310, // 6736 +4523,7311,7312,7313,4248,3580,7314,4524,3778,4249,7315,3581,7316,3287,7317,3221, // 6752 +7318,4937,7319,7320,7321,7322,7323,7324,4938,4939,7325,4525,7326,7327,7328,4063, // 6768 +7329,7330,4940,7331,7332,4941,7333,4526,7334,3500,2780,1741,4942,2026,1742,7335, // 6784 +7336,3582,4527,2388,7337,7338,7339,4528,7340,4250,4943,7341,7342,7343,4944,7344, // 6800 +7345,7346,3020,7347,4945,7348,7349,7350,7351,3895,7352,3896,4064,3897,7353,7354, // 6816 +7355,4251,7356,7357,3898,7358,3779,7359,3780,3288,7360,7361,4529,7362,4946,4530, // 6832 +2027,7363,3899,4531,4947,3222,3583,7364,4948,7365,7366,7367,7368,4949,3501,4950, // 6848 +3781,4951,4532,7369,2517,4952,4252,4953,3155,7370,4954,4955,4253,2518,4533,7371, // 6864 +7372,2712,4254,7373,7374,7375,3670,4956,3671,7376,2389,3502,4065,7377,2338,7378, // 6880 +7379,7380,7381,3061,7382,4957,7383,7384,7385,7386,4958,4534,7387,7388,2993,7389, // 6896 +3062,7390,4959,7391,7392,7393,4960,3108,4961,7394,4535,7395,4962,3421,4536,7396, // 6912 +4963,7397,4964,1857,7398,4965,7399,7400,2176,3584,4966,7401,7402,3422,4537,3900, // 6928 +3585,7403,3782,7404,2852,7405,7406,7407,4538,3783,2654,3423,4967,4539,7408,3784, // 6944 +3586,2853,4540,4541,7409,3901,7410,3902,7411,7412,3785,3109,2327,3903,7413,7414, // 6960 +2970,4066,2932,7415,7416,7417,3904,3672,3424,7418,4542,4543,4544,7419,4968,7420, // 6976 +7421,4255,7422,7423,7424,7425,7426,4067,7427,3673,3365,4545,7428,3110,2559,3674, // 6992 +7429,7430,3156,7431,7432,3503,7433,3425,4546,7434,3063,2873,7435,3223,4969,4547, // 7008 +4548,2898,4256,4068,7436,4069,3587,3786,2933,3787,4257,4970,4971,3788,7437,4972, // 7024 +3064,7438,4549,7439,7440,7441,7442,7443,4973,3905,7444,2874,7445,7446,7447,7448, // 7040 +3021,7449,4550,3906,3588,4974,7450,7451,3789,3675,7452,2578,7453,4070,7454,7455, // 7056 +7456,4258,3676,7457,4975,7458,4976,4259,3790,3504,2634,4977,3677,4551,4260,7459, // 7072 +7460,7461,7462,3907,4261,4978,7463,7464,7465,7466,4979,4980,7467,7468,2213,4262, // 7088 +7469,7470,7471,3678,4981,7472,2439,7473,4263,3224,3289,7474,3908,2415,4982,7475, // 7104 +4264,7476,4983,2655,7477,7478,2732,4552,2854,2875,7479,7480,4265,7481,4553,4984, // 7120 +7482,7483,4266,7484,3679,3366,3680,2818,2781,2782,3367,3589,4554,3065,7485,4071, // 7136 +2899,7486,7487,3157,2462,4072,4555,4073,4985,4986,3111,4267,2687,3368,4556,4074, // 7152 +3791,4268,7488,3909,2783,7489,2656,1962,3158,4557,4987,1963,3159,3160,7490,3112, // 7168 +4988,4989,3022,4990,4991,3792,2855,7491,7492,2971,4558,7493,7494,4992,7495,7496, // 7184 +7497,7498,4993,7499,3426,4559,4994,7500,3681,4560,4269,4270,3910,7501,4075,4995, // 7200 +4271,7502,7503,4076,7504,4996,7505,3225,4997,4272,4077,2819,3023,7506,7507,2733, // 7216 +4561,7508,4562,7509,3369,3793,7510,3590,2508,7511,7512,4273,3113,2994,2616,7513, // 7232 +7514,7515,7516,7517,7518,2820,3911,4078,2748,7519,7520,4563,4998,7521,7522,7523, // 7248 +7524,4999,4274,7525,4564,3682,2239,4079,4565,7526,7527,7528,7529,5000,7530,7531, // 7264 +5001,4275,3794,7532,7533,7534,3066,5002,4566,3161,7535,7536,4080,7537,3162,7538, // 7280 +7539,4567,7540,7541,7542,7543,7544,7545,5003,7546,4568,7547,7548,7549,7550,7551, // 7296 +7552,7553,7554,7555,7556,5004,7557,7558,7559,5005,7560,3795,7561,4569,7562,7563, // 7312 +7564,2821,3796,4276,4277,4081,7565,2876,7566,5006,7567,7568,2900,7569,3797,3912, // 7328 +7570,7571,7572,4278,7573,7574,7575,5007,7576,7577,5008,7578,7579,4279,2934,7580, // 7344 +7581,5009,7582,4570,7583,4280,7584,7585,7586,4571,4572,3913,7587,4573,3505,7588, // 7360 +5010,7589,7590,7591,7592,3798,4574,7593,7594,5011,7595,4281,7596,7597,7598,4282, // 7376 +5012,7599,7600,5013,3163,7601,5014,7602,3914,7603,7604,2734,4575,4576,4577,7605, // 7392 +7606,7607,7608,7609,3506,5015,4578,7610,4082,7611,2822,2901,2579,3683,3024,4579, // 7408 +3507,7612,4580,7613,3226,3799,5016,7614,7615,7616,7617,7618,7619,7620,2995,3290, // 7424 +7621,4083,7622,5017,7623,7624,7625,7626,7627,4581,3915,7628,3291,7629,5018,7630, // 7440 +7631,7632,7633,4084,7634,7635,3427,3800,7636,7637,4582,7638,5019,4583,5020,7639, // 7456 +3916,7640,3801,5021,4584,4283,7641,7642,3428,3591,2269,7643,2617,7644,4585,3592, // 7472 +7645,4586,2902,7646,7647,3227,5022,7648,4587,7649,4284,7650,7651,7652,4588,2284, // 7488 +7653,5023,7654,7655,7656,4589,5024,3802,7657,7658,5025,3508,4590,7659,7660,7661, // 7504 +1969,5026,7662,7663,3684,1821,2688,7664,2028,2509,4285,7665,2823,1841,7666,2689, // 7520 +3114,7667,3917,4085,2160,5027,5028,2972,7668,5029,7669,7670,7671,3593,4086,7672, // 7536 +4591,4087,5030,3803,7673,7674,7675,7676,7677,7678,7679,4286,2366,4592,4593,3067, // 7552 +2328,7680,7681,4594,3594,3918,2029,4287,7682,5031,3919,3370,4288,4595,2856,7683, // 7568 +3509,7684,7685,5032,5033,7686,7687,3804,2784,7688,7689,7690,7691,3371,7692,7693, // 7584 +2877,5034,7694,7695,3920,4289,4088,7696,7697,7698,5035,7699,5036,4290,5037,5038, // 7600 +5039,7700,7701,7702,5040,5041,3228,7703,1760,7704,5042,3229,4596,2106,4089,7705, // 7616 +4597,2824,5043,2107,3372,7706,4291,4090,5044,7707,4091,7708,5045,3025,3805,4598, // 7632 +4292,4293,4294,3373,7709,4599,7710,5046,7711,7712,5047,5048,3806,7713,7714,7715, // 7648 +5049,7716,7717,7718,7719,4600,5050,7720,7721,7722,5051,7723,4295,3429,7724,7725, // 7664 +7726,7727,3921,7728,3292,5052,4092,7729,7730,7731,7732,7733,7734,7735,5053,5054, // 7680 +7736,7737,7738,7739,3922,3685,7740,7741,7742,7743,2635,5055,7744,5056,4601,7745, // 7696 +7746,2560,7747,7748,7749,7750,3923,7751,7752,7753,7754,7755,4296,2903,7756,7757, // 7712 +7758,7759,7760,3924,7761,5057,4297,7762,7763,5058,4298,7764,4093,7765,7766,5059, // 7728 +3925,7767,7768,7769,7770,7771,7772,7773,7774,7775,7776,3595,7777,4299,5060,4094, // 7744 +7778,3293,5061,7779,7780,4300,7781,7782,4602,7783,3596,7784,7785,3430,2367,7786, // 7760 +3164,5062,5063,4301,7787,7788,4095,5064,5065,7789,3374,3115,7790,7791,7792,7793, // 7776 +7794,7795,7796,3597,4603,7797,7798,3686,3116,3807,5066,7799,7800,5067,7801,7802, // 7792 +4604,4302,5068,4303,4096,7803,7804,3294,7805,7806,5069,4605,2690,7807,3026,7808, // 7808 +7809,7810,7811,7812,7813,7814,7815,7816,7817,7818,7819,7820,7821,7822,7823,7824, // 7824 +7825,7826,7827,7828,7829,7830,7831,7832,7833,7834,7835,7836,7837,7838,7839,7840, // 7840 +7841,7842,7843,7844,7845,7846,7847,7848,7849,7850,7851,7852,7853,7854,7855,7856, // 7856 +7857,7858,7859,7860,7861,7862,7863,7864,7865,7866,7867,7868,7869,7870,7871,7872, // 7872 +7873,7874,7875,7876,7877,7878,7879,7880,7881,7882,7883,7884,7885,7886,7887,7888, // 7888 +7889,7890,7891,7892,7893,7894,7895,7896,7897,7898,7899,7900,7901,7902,7903,7904, // 7904 +7905,7906,7907,7908,7909,7910,7911,7912,7913,7914,7915,7916,7917,7918,7919,7920, // 7920 +7921,7922,7923,7924,3926,7925,7926,7927,7928,7929,7930,7931,7932,7933,7934,7935, // 7936 +7936,7937,7938,7939,7940,7941,7942,7943,7944,7945,7946,7947,7948,7949,7950,7951, // 7952 +7952,7953,7954,7955,7956,7957,7958,7959,7960,7961,7962,7963,7964,7965,7966,7967, // 7968 +7968,7969,7970,7971,7972,7973,7974,7975,7976,7977,7978,7979,7980,7981,7982,7983, // 7984 +7984,7985,7986,7987,7988,7989,7990,7991,7992,7993,7994,7995,7996,7997,7998,7999, // 8000 +8000,8001,8002,8003,8004,8005,8006,8007,8008,8009,8010,8011,8012,8013,8014,8015, // 8016 +8016,8017,8018,8019,8020,8021,8022,8023,8024,8025,8026,8027,8028,8029,8030,8031, // 8032 +8032,8033,8034,8035,8036,8037,8038,8039,8040,8041,8042,8043,8044,8045,8046,8047, // 8048 +8048,8049,8050,8051,8052,8053,8054,8055,8056,8057,8058,8059,8060,8061,8062,8063, // 8064 +8064,8065,8066,8067,8068,8069,8070,8071,8072,8073,8074,8075,8076,8077,8078,8079, // 8080 +8080,8081,8082,8083,8084,8085,8086,8087,8088,8089,8090,8091,8092,8093,8094,8095, // 8096 +8096,8097,8098,8099,8100,8101,8102,8103,8104,8105,8106,8107,8108,8109,8110,8111, // 8112 +8112,8113,8114,8115,8116,8117,8118,8119,8120,8121,8122,8123,8124,8125,8126,8127, // 8128 +8128,8129,8130,8131,8132,8133,8134,8135,8136,8137,8138,8139,8140,8141,8142,8143, // 8144 +8144,8145,8146,8147,8148,8149,8150,8151,8152,8153,8154,8155,8156,8157,8158,8159, // 8160 +8160,8161,8162,8163,8164,8165,8166,8167,8168,8169,8170,8171,8172,8173,8174,8175, // 8176 +8176,8177,8178,8179,8180,8181,8182,8183,8184,8185,8186,8187,8188,8189,8190,8191, // 8192 +8192,8193,8194,8195,8196,8197,8198,8199,8200,8201,8202,8203,8204,8205,8206,8207, // 8208 +8208,8209,8210,8211,8212,8213,8214,8215,8216,8217,8218,8219,8220,8221,8222,8223, // 8224 +8224,8225,8226,8227,8228,8229,8230,8231,8232,8233,8234,8235,8236,8237,8238,8239, // 8240 +8240,8241,8242,8243,8244,8245,8246,8247,8248,8249,8250,8251,8252,8253,8254,8255, // 8256 +8256,8257,8258,8259,8260,8261,8262,8263,8264,8265,8266,8267,8268,8269,8270,8271, // 8272 +****************************************************************************************/ + +}; + diff --git a/extensions/universalchardet/src/base/JpCntx.cpp b/extensions/universalchardet/src/base/JpCntx.cpp new file mode 100644 index 000000000..28ab64336 --- /dev/null +++ b/extensions/universalchardet/src/base/JpCntx.cpp @@ -0,0 +1,198 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "nscore.h" +#include "JpCntx.h" + +//This is hiragana 2-char sequence table, the number in each cell represents its frequency category +const uint8_t jp2CharContext[83][83] = +{ +{ 0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,1,0,0,0,0,0,0,0,0,0,0,1,}, +{ 2,4,0,4,0,3,0,4,0,3,4,4,4,2,4,3,3,4,3,2,3,3,4,2,3,3,3,2,4,1,4,3,3,1,5,4,3,4,3,4,3,5,3,0,3,5,4,2,0,3,1,0,3,3,0,3,3,0,1,1,0,4,3,0,3,3,0,4,0,2,0,3,5,5,5,5,4,0,4,1,0,3,4,}, +{ 0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,}, +{ 0,4,0,5,0,5,0,4,0,4,5,4,4,3,5,3,5,1,5,3,4,3,4,4,3,4,3,3,4,3,5,4,4,3,5,5,3,5,5,5,3,5,5,3,4,5,5,3,1,3,2,0,3,4,0,4,2,0,4,2,1,5,3,2,3,5,0,4,0,2,0,5,4,4,5,4,5,0,4,0,0,4,4,}, +{ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,}, +{ 0,3,0,4,0,3,0,3,0,4,5,4,3,3,3,3,4,3,5,4,4,3,5,4,4,3,4,3,4,4,4,4,5,3,4,4,3,4,5,5,4,5,5,1,4,5,4,3,0,3,3,1,3,3,0,4,4,0,3,3,1,5,3,3,3,5,0,4,0,3,0,4,4,3,4,3,3,0,4,1,1,3,4,}, +{ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,}, +{ 0,4,0,3,0,3,0,4,0,3,4,4,3,2,2,1,2,1,3,1,3,3,3,3,3,4,3,1,3,3,5,3,3,0,4,3,0,5,4,3,3,5,4,4,3,4,4,5,0,1,2,0,1,2,0,2,2,0,1,0,0,5,2,2,1,4,0,3,0,1,0,4,4,3,5,4,3,0,2,1,0,4,3,}, +{ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,}, +{ 0,3,0,5,0,4,0,2,1,4,4,2,4,1,4,2,4,2,4,3,3,3,4,3,3,3,3,1,4,2,3,3,3,1,4,4,1,1,1,4,3,3,2,0,2,4,3,2,0,3,3,0,3,1,1,0,0,0,3,3,0,4,2,2,3,4,0,4,0,3,0,4,4,5,3,4,4,0,3,0,0,1,4,}, +{ 1,4,0,4,0,4,0,4,0,3,5,4,4,3,4,3,5,4,3,3,4,3,5,4,4,4,4,3,4,2,4,3,3,1,5,4,3,2,4,5,4,5,5,4,4,5,4,4,0,3,2,2,3,3,0,4,3,1,3,2,1,4,3,3,4,5,0,3,0,2,0,4,5,5,4,5,4,0,4,0,0,5,4,}, +{ 0,5,0,5,0,4,0,3,0,4,4,3,4,3,3,3,4,0,4,4,4,3,4,3,4,3,3,1,4,2,4,3,4,0,5,4,1,4,5,4,4,5,3,2,4,3,4,3,2,4,1,3,3,3,2,3,2,0,4,3,3,4,3,3,3,4,0,4,0,3,0,4,5,4,4,4,3,0,4,1,0,1,3,}, +{ 0,3,1,4,0,3,0,2,0,3,4,4,3,1,4,2,3,3,4,3,4,3,4,3,4,4,3,2,3,1,5,4,4,1,4,4,3,5,4,4,3,5,5,4,3,4,4,3,1,2,3,1,2,2,0,3,2,0,3,1,0,5,3,3,3,4,3,3,3,3,4,4,4,4,5,4,2,0,3,3,2,4,3,}, +{ 0,2,0,3,0,1,0,1,0,0,3,2,0,0,2,0,1,0,2,1,3,3,3,1,2,3,1,0,1,0,4,2,1,1,3,3,0,4,3,3,1,4,3,3,0,3,3,2,0,0,0,0,1,0,0,2,0,0,0,0,0,4,1,0,2,3,2,2,2,1,3,3,3,4,4,3,2,0,3,1,0,3,3,}, +{ 0,4,0,4,0,3,0,3,0,4,4,4,3,3,3,3,3,3,4,3,4,2,4,3,4,3,3,2,4,3,4,5,4,1,4,5,3,5,4,5,3,5,4,0,3,5,5,3,1,3,3,2,2,3,0,3,4,1,3,3,2,4,3,3,3,4,0,4,0,3,0,4,5,4,4,5,3,0,4,1,0,3,4,}, +{ 0,2,0,3,0,3,0,0,0,2,2,2,1,0,1,0,0,0,3,0,3,0,3,0,1,3,1,0,3,1,3,3,3,1,3,3,3,0,1,3,1,3,4,0,0,3,1,1,0,3,2,0,0,0,0,1,3,0,1,0,0,3,3,2,0,3,0,0,0,0,0,3,4,3,4,3,3,0,3,0,0,2,3,}, +{ 2,3,0,3,0,2,0,1,0,3,3,4,3,1,3,1,1,1,3,1,4,3,4,3,3,3,0,0,3,1,5,4,3,1,4,3,2,5,5,4,4,4,4,3,3,4,4,4,0,2,1,1,3,2,0,1,2,0,0,1,0,4,1,3,3,3,0,3,0,1,0,4,4,4,5,5,3,0,2,0,0,4,4,}, +{ 0,2,0,1,0,3,1,3,0,2,3,3,3,0,3,1,0,0,3,0,3,2,3,1,3,2,1,1,0,0,4,2,1,0,2,3,1,4,3,2,0,4,4,3,1,3,1,3,0,1,0,0,1,0,0,0,1,0,0,0,0,4,1,1,1,2,0,3,0,0,0,3,4,2,4,3,2,0,1,0,0,3,3,}, +{ 0,1,0,4,0,5,0,4,0,2,4,4,2,3,3,2,3,3,5,3,3,3,4,3,4,2,3,0,4,3,3,3,4,1,4,3,2,1,5,5,3,4,5,1,3,5,4,2,0,3,3,0,1,3,0,4,2,0,1,3,1,4,3,3,3,3,0,3,0,1,0,3,4,4,4,5,5,0,3,0,1,4,5,}, +{ 0,2,0,3,0,3,0,0,0,2,3,1,3,0,4,0,1,1,3,0,3,4,3,2,3,1,0,3,3,2,3,1,3,0,2,3,0,2,1,4,1,2,2,0,0,3,3,0,0,2,0,0,0,1,0,0,0,0,2,2,0,3,2,1,3,3,0,2,0,2,0,0,3,3,1,2,4,0,3,0,2,2,3,}, +{ 2,4,0,5,0,4,0,4,0,2,4,4,4,3,4,3,3,3,1,2,4,3,4,3,4,4,5,0,3,3,3,3,2,0,4,3,1,4,3,4,1,4,4,3,3,4,4,3,1,2,3,0,4,2,0,4,1,0,3,3,0,4,3,3,3,4,0,4,0,2,0,3,5,3,4,5,2,0,3,0,0,4,5,}, +{ 0,3,0,4,0,1,0,1,0,1,3,2,2,1,3,0,3,0,2,0,2,0,3,0,2,0,0,0,1,0,1,1,0,0,3,1,0,0,0,4,0,3,1,0,2,1,3,0,0,0,0,0,0,3,0,0,0,0,0,0,0,4,2,2,3,1,0,3,0,0,0,1,4,4,4,3,0,0,4,0,0,1,4,}, +{ 1,4,1,5,0,3,0,3,0,4,5,4,4,3,5,3,3,4,4,3,4,1,3,3,3,3,2,1,4,1,5,4,3,1,4,4,3,5,4,4,3,5,4,3,3,4,4,4,0,3,3,1,2,3,0,3,1,0,3,3,0,5,4,4,4,4,4,4,3,3,5,4,4,3,3,5,4,0,3,2,0,4,4,}, +{ 0,2,0,3,0,1,0,0,0,1,3,3,3,2,4,1,3,0,3,1,3,0,2,2,1,1,0,0,2,0,4,3,1,0,4,3,0,4,4,4,1,4,3,1,1,3,3,1,0,2,0,0,1,3,0,0,0,0,2,0,0,4,3,2,4,3,5,4,3,3,3,4,3,3,4,3,3,0,2,1,0,3,3,}, +{ 0,2,0,4,0,3,0,2,0,2,5,5,3,4,4,4,4,1,4,3,3,0,4,3,4,3,1,3,3,2,4,3,0,3,4,3,0,3,4,4,2,4,4,0,4,5,3,3,2,2,1,1,1,2,0,1,5,0,3,3,2,4,3,3,3,4,0,3,0,2,0,4,4,3,5,5,0,0,3,0,2,3,3,}, +{ 0,3,0,4,0,3,0,1,0,3,4,3,3,1,3,3,3,0,3,1,3,0,4,3,3,1,1,0,3,0,3,3,0,0,4,4,0,1,5,4,3,3,5,0,3,3,4,3,0,2,0,1,1,1,0,1,3,0,1,2,1,3,3,2,3,3,0,3,0,1,0,1,3,3,4,4,1,0,1,2,2,1,3,}, +{ 0,1,0,4,0,4,0,3,0,1,3,3,3,2,3,1,1,0,3,0,3,3,4,3,2,4,2,0,1,0,4,3,2,0,4,3,0,5,3,3,2,4,4,4,3,3,3,4,0,1,3,0,0,1,0,0,1,0,0,0,0,4,2,3,3,3,0,3,0,0,0,4,4,4,5,3,2,0,3,3,0,3,5,}, +{ 0,2,0,3,0,0,0,3,0,1,3,0,2,0,0,0,1,0,3,1,1,3,3,0,0,3,0,0,3,0,2,3,1,0,3,1,0,3,3,2,0,4,2,2,0,2,0,0,0,4,0,0,0,0,0,0,0,0,0,0,0,2,1,2,0,1,0,1,0,0,0,1,3,1,2,0,0,0,1,0,0,1,4,}, +{ 0,3,0,3,0,5,0,1,0,2,4,3,1,3,3,2,1,1,5,2,1,0,5,1,2,0,0,0,3,3,2,2,3,2,4,3,0,0,3,3,1,3,3,0,2,5,3,4,0,3,3,0,1,2,0,2,2,0,3,2,0,2,2,3,3,3,0,2,0,1,0,3,4,4,2,5,4,0,3,0,0,3,5,}, +{ 0,3,0,3,0,3,0,1,0,3,3,3,3,0,3,0,2,0,2,1,1,0,2,0,1,0,0,0,2,1,0,0,1,0,3,2,0,0,3,3,1,2,3,1,0,3,3,0,0,1,0,0,0,0,0,2,0,0,0,0,0,2,3,1,2,3,0,3,0,1,0,3,2,1,0,4,3,0,1,1,0,3,3,}, +{ 0,4,0,5,0,3,0,3,0,4,5,5,4,3,5,3,4,3,5,3,3,2,5,3,4,4,4,3,4,3,4,5,5,3,4,4,3,4,4,5,4,4,4,3,4,5,5,4,2,3,4,2,3,4,0,3,3,1,4,3,2,4,3,3,5,5,0,3,0,3,0,5,5,5,5,4,4,0,4,0,1,4,4,}, +{ 0,4,0,4,0,3,0,3,0,3,5,4,4,2,3,2,5,1,3,2,5,1,4,2,3,2,3,3,4,3,3,3,3,2,5,4,1,3,3,5,3,4,4,0,4,4,3,1,1,3,1,0,2,3,0,2,3,0,3,0,0,4,3,1,3,4,0,3,0,2,0,4,4,4,3,4,5,0,4,0,0,3,4,}, +{ 0,3,0,3,0,3,1,2,0,3,4,4,3,3,3,0,2,2,4,3,3,1,3,3,3,1,1,0,3,1,4,3,2,3,4,4,2,4,4,4,3,4,4,3,2,4,4,3,1,3,3,1,3,3,0,4,1,0,2,2,1,4,3,2,3,3,5,4,3,3,5,4,4,3,3,0,4,0,3,2,2,4,4,}, +{ 0,2,0,1,0,0,0,0,0,1,2,1,3,0,0,0,0,0,2,0,1,2,1,0,0,1,0,0,0,0,3,0,0,1,0,1,1,3,1,0,0,0,1,1,0,1,1,0,0,0,0,0,2,0,0,0,0,0,0,0,0,1,1,2,2,0,3,4,0,0,0,1,1,0,0,1,0,0,0,0,0,1,1,}, +{ 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0,2,0,3,0,4,0,4,0,1,3,3,3,0,4,0,2,1,2,1,1,1,2,0,3,1,1,0,1,0,3,1,0,0,3,3,2,0,1,1,0,0,0,0,0,1,0,2,0,2,2,0,3,1,0,0,1,0,1,1,0,1,2,0,3,0,0,0,0,1,0,0,3,3,4,3,1,0,1,0,3,0,2,}, +{ 0,0,0,3,0,5,0,0,0,0,1,0,2,0,3,1,0,1,3,0,0,0,2,0,0,0,1,0,0,0,1,1,0,0,4,0,0,0,2,3,0,1,4,1,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,3,0,0,0,0,0,1,0,0,0,0,0,0,0,2,0,0,3,0,0,0,0,0,3,}, +{ 0,2,0,5,0,5,0,1,0,2,4,3,3,2,5,1,3,2,3,3,3,0,4,1,2,0,3,0,4,0,2,2,1,1,5,3,0,0,1,4,2,3,2,0,3,3,3,2,0,2,4,1,1,2,0,1,1,0,3,1,0,1,3,1,2,3,0,2,0,0,0,1,3,5,4,4,4,0,3,0,0,1,3,}, +{ 0,4,0,5,0,4,0,4,0,4,5,4,3,3,4,3,3,3,4,3,4,4,5,3,4,5,4,2,4,2,3,4,3,1,4,4,1,3,5,4,4,5,5,4,4,5,5,5,2,3,3,1,4,3,1,3,3,0,3,3,1,4,3,4,4,4,0,3,0,4,0,3,3,4,4,5,0,0,4,3,0,4,5,}, +{ 0,4,0,4,0,3,0,3,0,3,4,4,4,3,3,2,4,3,4,3,4,3,5,3,4,3,2,1,4,2,4,4,3,1,3,4,2,4,5,5,3,4,5,4,1,5,4,3,0,3,2,2,3,2,1,3,1,0,3,3,3,5,3,3,3,5,4,4,2,3,3,4,3,3,3,2,1,0,3,2,1,4,3,}, +{ 0,4,0,5,0,4,0,3,0,3,5,5,3,2,4,3,4,0,5,4,4,1,4,4,4,3,3,3,4,3,5,5,2,3,3,4,1,2,5,5,3,5,5,2,3,5,5,4,0,3,2,0,3,3,1,1,5,1,4,1,0,4,3,2,3,5,0,4,0,3,0,5,4,3,4,3,0,0,4,1,0,4,4,}, +{ 1,3,0,4,0,2,0,2,0,2,5,5,3,3,3,3,3,0,4,2,3,4,4,4,3,4,0,0,3,4,5,4,3,3,3,3,2,5,5,4,5,5,5,4,3,5,5,5,1,3,1,0,1,0,0,3,2,0,4,2,0,5,2,3,2,4,1,3,0,3,0,4,5,4,5,4,3,0,4,2,0,5,4,}, +{ 0,3,0,4,0,5,0,3,0,3,4,4,3,2,3,2,3,3,3,3,3,2,4,3,3,2,2,0,3,3,3,3,3,1,3,3,3,0,4,4,3,4,4,1,1,4,4,2,0,3,1,0,1,1,0,4,1,0,2,3,1,3,3,1,3,4,0,3,0,1,0,3,1,3,0,0,1,0,2,0,0,4,4,}, +{ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,}, +{ 0,3,0,3,0,2,0,3,0,1,5,4,3,3,3,1,4,2,1,2,3,4,4,2,4,4,5,0,3,1,4,3,4,0,4,3,3,3,2,3,2,5,3,4,3,2,2,3,0,0,3,0,2,1,0,1,2,0,0,0,0,2,1,1,3,1,0,2,0,4,0,3,4,4,4,5,2,0,2,0,0,1,3,}, +{ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,1,1,1,0,0,1,1,0,0,0,4,2,1,1,0,1,0,3,2,0,0,3,1,1,1,2,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,3,0,1,0,0,0,2,0,0,0,1,4,0,4,2,1,0,0,0,0,0,1,}, +{ 0,0,0,0,0,0,0,0,0,1,0,1,0,0,0,0,1,0,0,0,0,0,0,1,0,1,0,0,0,0,3,1,0,0,0,2,0,2,1,0,0,1,2,1,0,1,1,0,0,3,0,0,0,0,0,0,0,0,0,0,0,1,3,1,0,0,0,0,0,1,0,0,2,1,0,0,0,0,0,0,0,0,2,}, +{ 0,4,0,4,0,4,0,3,0,4,4,3,4,2,4,3,2,0,4,4,4,3,5,3,5,3,3,2,4,2,4,3,4,3,1,4,0,2,3,4,4,4,3,3,3,4,4,4,3,4,1,3,4,3,2,1,2,1,3,3,3,4,4,3,3,5,0,4,0,3,0,4,3,3,3,2,1,0,3,0,0,3,3,}, +{ 0,4,0,3,0,3,0,3,0,3,5,5,3,3,3,3,4,3,4,3,3,3,4,4,4,3,3,3,3,4,3,5,3,3,1,3,2,4,5,5,5,5,4,3,4,5,5,3,2,2,3,3,3,3,2,3,3,1,2,3,2,4,3,3,3,4,0,4,0,2,0,4,3,2,2,1,2,0,3,0,0,4,1,}, +}; + +#define MINIMUM_DATA_THRESHOLD 4 + +void JapaneseContextAnalysis::HandleData(const char* aBuf, uint32_t aLen) +{ + uint32_t charLen; + int32_t order; + uint32_t i; + + if (mDone) + return; + + //The buffer we got is byte oriented, and a character may span in more than one + //buffers. In case the last one or two byte in last buffer is not complete, we + //record how many byte needed to complete that character and skip these bytes here. + //We can choose to record those bytes as well and analyse the character once it + //is complete, but since a character will not make much difference, by simply skipping + //this character will simply our logic and improve performance. + for (i = mNeedToSkipCharNum; i < aLen; ) + { + order = GetOrder(aBuf+i, &charLen); + i+= charLen; + if (i > aLen){ + mNeedToSkipCharNum = i - aLen; + mLastCharOrder = -1; + } + else + { + if (order != -1 && mLastCharOrder != -1) + { + mTotalRel ++; + if (mTotalRel > MAX_REL_THRESHOLD) + { + mDone = true; + break; + } + mRelSample[jp2CharContext[mLastCharOrder][order]]++; + } + mLastCharOrder = order; + } + } + + return; +} + +void JapaneseContextAnalysis::Reset() +{ + mTotalRel = 0; + for (uint32_t i = 0; i < NUM_OF_CATEGORY; i++) + mRelSample[i] = 0; + mNeedToSkipCharNum = 0; + mLastCharOrder = -1; + mDone = false; + mDataThreshold = 0; +} +#define DONT_KNOW (float)-1 + +float JapaneseContextAnalysis::GetConfidence(void) +{ + //This is just one way to calculate confidence. It works well for me. + if (mTotalRel > mDataThreshold) + return ((float)(mTotalRel - mRelSample[0]))/mTotalRel; + else + return (float)DONT_KNOW; +} + + +int32_t SJISContextAnalysis::GetOrder(const char* str, uint32_t *charLen) +{ + //find out current char's byte length + if (((unsigned char)*str >= (unsigned char)0x81 && (unsigned char)*str <= (unsigned char)0x9f) || + ((unsigned char)*str >= (unsigned char)0xe0 && (unsigned char)*str <= (unsigned char)0xfc) ) + *charLen = 2; + else + *charLen = 1; + + //return its order if it is hiragana + if (*str == '\202' && + (unsigned char)*(str+1) >= (unsigned char)0x9f && + (unsigned char)*(str+1) <= (unsigned char)0xf1) + return (unsigned char)*(str+1) - (unsigned char)0x9f; + return -1; +} + +int32_t EUCJPContextAnalysis::GetOrder(const char* str, uint32_t *charLen) +{ + //find out current char's byte length + if ((unsigned char)*str == (unsigned char)0x8e || + ((unsigned char)*str >= (unsigned char)0xa1 && + (unsigned char)*str <= (unsigned char)0xfe)) + *charLen = 2; + else if ((unsigned char)*str == (unsigned char)0x8f) + *charLen = 3; + else + *charLen = 1; + + //return its order if it is hiragana + if ((unsigned char)*str == (unsigned char)0xa4 && + (unsigned char)*(str+1) >= (unsigned char)0xa1 && + (unsigned char)*(str+1) <= (unsigned char)0xf3) + return (unsigned char)*(str+1) - (unsigned char)0xa1; + return -1; +} diff --git a/extensions/universalchardet/src/base/JpCntx.h b/extensions/universalchardet/src/base/JpCntx.h new file mode 100644 index 000000000..88e096432 --- /dev/null +++ b/extensions/universalchardet/src/base/JpCntx.h @@ -0,0 +1,107 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef __JPCNTX_H__ +#define __JPCNTX_H__ + +#define NUM_OF_CATEGORY 6 + +#include "nscore.h" + +#define ENOUGH_REL_THRESHOLD 100 +#define MAX_REL_THRESHOLD 1000 + +//hiragana frequency category table +extern const uint8_t jp2CharContext[83][83]; + +class JapaneseContextAnalysis +{ +public: + JapaneseContextAnalysis() {Reset();} + + void HandleData(const char* aBuf, uint32_t aLen); + + void HandleOneChar(const char* aStr, uint32_t aCharLen) + { + int32_t order; + + //if we received enough data, stop here + if (mTotalRel > MAX_REL_THRESHOLD) mDone = true; + if (mDone) return; + + //Only 2-bytes characters are of our interest + order = (aCharLen == 2) ? GetOrder(aStr) : -1; + if (order != -1 && mLastCharOrder != -1) + { + mTotalRel++; + //count this sequence to its category counter + mRelSample[jp2CharContext[mLastCharOrder][order]]++; + } + mLastCharOrder = order; + } + + float GetConfidence(void); + void Reset(); + bool GotEnoughData() {return mTotalRel > ENOUGH_REL_THRESHOLD;} + +protected: + virtual int32_t GetOrder(const char* str, uint32_t *charLen) = 0; + virtual int32_t GetOrder(const char* str) = 0; + + //category counters, each integer counts sequences in its category + uint32_t mRelSample[NUM_OF_CATEGORY]; + + //total sequence received + uint32_t mTotalRel; + + //Number of sequences needed to trigger detection + uint32_t mDataThreshold; + + //The order of previous char + int32_t mLastCharOrder; + + //if last byte in current buffer is not the last byte of a character, we + //need to know how many byte to skip in next buffer. + uint32_t mNeedToSkipCharNum; + + //If this flag is set to true, detection is done and conclusion has been made + bool mDone; +}; + + +class SJISContextAnalysis : public JapaneseContextAnalysis +{ + //SJISContextAnalysis(){}; +protected: + int32_t GetOrder(const char* str, uint32_t *charLen); + + int32_t GetOrder(const char* str) + { + //We only interested in Hiragana, so first byte is '\202' + if (*str == '\202' && + (unsigned char)*(str+1) >= (unsigned char)0x9f && + (unsigned char)*(str+1) <= (unsigned char)0xf1) + return (unsigned char)*(str+1) - (unsigned char)0x9f; + return -1; + } +}; + +class EUCJPContextAnalysis : public JapaneseContextAnalysis +{ +protected: + int32_t GetOrder(const char* str, uint32_t *charLen); + int32_t GetOrder(const char* str) + //We only interested in Hiragana, so first byte is '\244' + { + if (*str == '\244' && + (unsigned char)*(str+1) >= (unsigned char)0xa1 && + (unsigned char)*(str+1) <= (unsigned char)0xf3) + return (unsigned char)*(str+1) - (unsigned char)0xa1; + return -1; + } +}; + +#endif /* __JPCNTX_H__ */ + diff --git a/extensions/universalchardet/src/base/moz.build b/extensions/universalchardet/src/base/moz.build new file mode 100644 index 000000000..442579d4a --- /dev/null +++ b/extensions/universalchardet/src/base/moz.build @@ -0,0 +1,22 @@ +# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*- +# vim: set filetype=python: +# This Source Code Form is subject to the terms of the Mozilla Public +# License, v. 2.0. If a copy of the MPL was not distributed with this +# file, You can obtain one at http://mozilla.org/MPL/2.0/. + +UNIFIED_SOURCES += [ + 'CharDistribution.cpp', + 'JpCntx.cpp', + 'nsCharSetProber.cpp', + 'nsEscCharsetProber.cpp', + 'nsEscSM.cpp', + 'nsEUCJPProber.cpp', + 'nsLatin1Prober.cpp', + 'nsMBCSGroupProber.cpp', + 'nsMBCSSM.cpp', + 'nsSJISProber.cpp', + 'nsUniversalDetector.cpp', + 'nsUTF8Prober.cpp', +] + +FINAL_LIBRARY = 'xul' diff --git a/extensions/universalchardet/src/base/nsCharSetProber.cpp b/extensions/universalchardet/src/base/nsCharSetProber.cpp new file mode 100644 index 000000000..cd15a10c3 --- /dev/null +++ b/extensions/universalchardet/src/base/nsCharSetProber.cpp @@ -0,0 +1,92 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "nsCharSetProber.h" +#include "prmem.h" + +//This filter applies to all scripts which do not use English characters +bool nsCharSetProber::FilterWithoutEnglishLetters(const char* aBuf, uint32_t aLen, char** newBuf, uint32_t& newLen) +{ + char *newptr; + char *prevPtr, *curPtr; + + bool meetMSB = false; + newptr = *newBuf = (char*)PR_Malloc(aLen); + if (!newptr) + return false; + + for (curPtr = prevPtr = (char*)aBuf; curPtr < aBuf+aLen; curPtr++) + { + if (*curPtr & 0x80) + { + meetMSB = true; + } + else if (*curPtr < 'A' || (*curPtr > 'Z' && *curPtr < 'a') || *curPtr > 'z') + { + //current char is a symbol, most likely a punctuation. we treat it as segment delimiter + if (meetMSB && curPtr > prevPtr) + //this segment contains more than single symbol, and it has upper ASCII, we need to keep it + { + while (prevPtr < curPtr) *newptr++ = *prevPtr++; + prevPtr++; + *newptr++ = ' '; + meetMSB = false; + } + else //ignore current segment. (either because it is just a symbol or just an English word) + prevPtr = curPtr+1; + } + } + if (meetMSB && curPtr > prevPtr) + while (prevPtr < curPtr) *newptr++ = *prevPtr++; + + newLen = newptr - *newBuf; + + return true; +} + +//This filter applies to all scripts which contain both English characters and upper ASCII characters. +bool nsCharSetProber::FilterWithEnglishLetters(const char* aBuf, uint32_t aLen, char** newBuf, uint32_t& newLen) +{ + //do filtering to reduce load to probers + char *newptr; + char *prevPtr, *curPtr; + bool isInTag = false; + + newptr = *newBuf = (char*)PR_Malloc(aLen); + if (!newptr) + return false; + + for (curPtr = prevPtr = (char*)aBuf; curPtr < aBuf+aLen; curPtr++) + { + if (*curPtr == '>') + isInTag = false; + else if (*curPtr == '<') + isInTag = true; + + if (!(*curPtr & 0x80) && + (*curPtr < 'A' || (*curPtr > 'Z' && *curPtr < 'a') || *curPtr > 'z') ) + { + if (curPtr > prevPtr && !isInTag) // Current segment contains more than just a symbol + // and it is not inside a tag, keep it. + { + while (prevPtr < curPtr) *newptr++ = *prevPtr++; + prevPtr++; + *newptr++ = ' '; + } + else + prevPtr = curPtr+1; + } + } + + // If the current segment contains more than just a symbol + // and it is not inside a tag then keep it. + if (!isInTag) + while (prevPtr < curPtr) + *newptr++ = *prevPtr++; + + newLen = newptr - *newBuf; + + return true; +} diff --git a/extensions/universalchardet/src/base/nsCharSetProber.h b/extensions/universalchardet/src/base/nsCharSetProber.h new file mode 100644 index 000000000..4cb12794f --- /dev/null +++ b/extensions/universalchardet/src/base/nsCharSetProber.h @@ -0,0 +1,42 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ +#ifndef nsCharSetProber_h__ +#define nsCharSetProber_h__ + +#include "nscore.h" + +//#define DEBUG_chardet // Uncomment this for debug dump. + +typedef enum { + eDetecting = 0, //We are still detecting, no sure answer yet, but caller can ask for confidence. + eFoundIt = 1, //That's a positive answer + eNotMe = 2 //Negative answer +} nsProbingState; + +#define SHORTCUT_THRESHOLD (float)0.95 + +class nsCharSetProber { +public: + virtual ~nsCharSetProber() {} + virtual const char* GetCharSetName() = 0; + virtual nsProbingState HandleData(const char* aBuf, uint32_t aLen) = 0; + virtual nsProbingState GetState(void) = 0; + virtual void Reset(void) = 0; + virtual float GetConfidence(void) = 0; + +#ifdef DEBUG_chardet + virtual void DumpStatus() {}; +#endif + + // Helper functions used in the Latin1 and Group probers. + // both functions Allocate a new buffer for newBuf. This buffer should be + // freed by the caller using PR_FREEIF. + // Both functions return false in case of memory allocation failure. + static bool FilterWithoutEnglishLetters(const char* aBuf, uint32_t aLen, char** newBuf, uint32_t& newLen); + static bool FilterWithEnglishLetters(const char* aBuf, uint32_t aLen, char** newBuf, uint32_t& newLen); + +}; + +#endif /* nsCharSetProber_h__ */ diff --git a/extensions/universalchardet/src/base/nsCodingStateMachine.h b/extensions/universalchardet/src/base/nsCodingStateMachine.h new file mode 100644 index 000000000..53779959c --- /dev/null +++ b/extensions/universalchardet/src/base/nsCodingStateMachine.h @@ -0,0 +1,85 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ +#ifndef nsCodingStateMachine_h__ +#define nsCodingStateMachine_h__ + +#include "mozilla/ArrayUtils.h" + +#include "nsPkgInt.h" + +typedef enum { + eStart = 0, + eError = 1, + eItsMe = 2 +} nsSMState; + +#define GETCLASS(c) GETFROMPCK(((unsigned char)(c)), mModel->classTable) + +//state machine model +typedef struct +{ + nsPkgInt classTable; + uint32_t classFactor; + nsPkgInt stateTable; + const uint32_t* charLenTable; +#ifdef DEBUG + const size_t charLenTableLength; +#endif + const char* name; +} SMModel; + +class nsCodingStateMachine { +public: + explicit nsCodingStateMachine(const SMModel* sm) : mModel(sm) { mCurrentState = eStart; } + nsSMState NextState(char c){ + //for each byte we get its class , if it is first byte, we also get byte length + uint32_t byteCls = GETCLASS(c); + if (mCurrentState == eStart) + { + mCurrentBytePos = 0; + MOZ_ASSERT(byteCls < mModel->charLenTableLength); + mCurrentCharLen = mModel->charLenTable[byteCls]; + } + //from byte's class and stateTable, we get its next state + mCurrentState=(nsSMState)GETFROMPCK(mCurrentState*(mModel->classFactor)+byteCls, + mModel->stateTable); + mCurrentBytePos++; + return mCurrentState; + } + uint32_t GetCurrentCharLen(void) {return mCurrentCharLen;} + void Reset(void) {mCurrentState = eStart;} + const char * GetCodingStateMachine() {return mModel->name;} + +protected: + nsSMState mCurrentState; + uint32_t mCurrentCharLen; + uint32_t mCurrentBytePos; + + const SMModel *mModel; +}; + +extern const SMModel UTF8SMModel; +extern const SMModel Big5SMModel; +extern const SMModel EUCJPSMModel; +extern const SMModel EUCKRSMModel; +extern const SMModel EUCTWSMModel; +extern const SMModel GB18030SMModel; +extern const SMModel SJISSMModel; + + +extern const SMModel HZSMModel; +extern const SMModel ISO2022CNSMModel; +extern const SMModel ISO2022JPSMModel; +extern const SMModel ISO2022KRSMModel; + +#undef CHAR_LEN_TABLE +#ifdef DEBUG +#define CHAR_LEN_TABLE(x) x, mozilla::ArrayLength(x) +#else +#define CHAR_LEN_TABLE(x) x +#endif + +#endif /* nsCodingStateMachine_h__ */ + diff --git a/extensions/universalchardet/src/base/nsEUCJPProber.cpp b/extensions/universalchardet/src/base/nsEUCJPProber.cpp new file mode 100644 index 000000000..663421f03 --- /dev/null +++ b/extensions/universalchardet/src/base/nsEUCJPProber.cpp @@ -0,0 +1,69 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +// for japanese encoding, obeserve characteristic: +// 1, kana character (or hankaku?) often have hight frequency of appereance +// 2, kana character often exist in group +// 3, certain combination of kana is never used in japanese language + +#include "nsEUCJPProber.h" +#include "nsDebug.h" + +void nsEUCJPProber::Reset(void) +{ + mCodingSM->Reset(); + mState = eDetecting; + mContextAnalyser.Reset(); + mDistributionAnalyser.Reset(); +} + +nsProbingState nsEUCJPProber::HandleData(const char* aBuf, uint32_t aLen) +{ + NS_ASSERTION(aLen, "HandleData called with empty buffer"); + nsSMState codingState; + + for (uint32_t i = 0; i < aLen; i++) + { + codingState = mCodingSM->NextState(aBuf[i]); + if (codingState == eItsMe) + { + mState = eFoundIt; + break; + } + if (codingState == eStart) + { + uint32_t charLen = mCodingSM->GetCurrentCharLen(); + + if (i == 0) + { + mLastChar[1] = aBuf[0]; + mContextAnalyser.HandleOneChar(mLastChar, charLen); + mDistributionAnalyser.HandleOneChar(mLastChar, charLen); + } + else + { + mContextAnalyser.HandleOneChar(aBuf+i-1, charLen); + mDistributionAnalyser.HandleOneChar(aBuf+i-1, charLen); + } + } + } + + mLastChar[0] = aBuf[aLen-1]; + + if (mState == eDetecting) + if (mContextAnalyser.GotEnoughData() && GetConfidence() > SHORTCUT_THRESHOLD) + mState = eFoundIt; + + return mState; +} + +float nsEUCJPProber::GetConfidence(void) +{ + float contxtCf = mContextAnalyser.GetConfidence(); + float distribCf = mDistributionAnalyser.GetConfidence(); + + return (contxtCf > distribCf ? contxtCf : distribCf); +} + diff --git a/extensions/universalchardet/src/base/nsEUCJPProber.h b/extensions/universalchardet/src/base/nsEUCJPProber.h new file mode 100644 index 000000000..4880151e5 --- /dev/null +++ b/extensions/universalchardet/src/base/nsEUCJPProber.h @@ -0,0 +1,43 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +// for S-JIS encoding, obeserve characteristic: +// 1, kana character (or hankaku?) often have hight frequency of appereance +// 2, kana character often exist in group +// 3, certain combination of kana is never used in japanese language + +#ifndef nsEUCJPProber_h__ +#define nsEUCJPProber_h__ + +#include "nsCharSetProber.h" +#include "nsCodingStateMachine.h" +#include "JpCntx.h" +#include "CharDistribution.h" + +class nsEUCJPProber: public nsCharSetProber { +public: + nsEUCJPProber() + {mCodingSM = new nsCodingStateMachine(&EUCJPSMModel); + Reset();} + virtual ~nsEUCJPProber(void){delete mCodingSM;} + nsProbingState HandleData(const char* aBuf, uint32_t aLen); + const char* GetCharSetName() {return "EUC-JP";} + nsProbingState GetState(void) {return mState;} + void Reset(void); + float GetConfidence(void); + +protected: + nsCodingStateMachine* mCodingSM; + nsProbingState mState; + + EUCJPContextAnalysis mContextAnalyser; + EUCJPDistributionAnalysis mDistributionAnalyser; + + char mLastChar[2]; +}; + + +#endif /* nsEUCJPProber_h__ */ + diff --git a/extensions/universalchardet/src/base/nsEscCharsetProber.cpp b/extensions/universalchardet/src/base/nsEscCharsetProber.cpp new file mode 100644 index 000000000..b4fbfeb00 --- /dev/null +++ b/extensions/universalchardet/src/base/nsEscCharsetProber.cpp @@ -0,0 +1,46 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + + +#include "nsEscCharsetProber.h" +#include "nsUniversalDetector.h" + +nsEscCharSetProber::nsEscCharSetProber() +{ + mCodingSM = new nsCodingStateMachine(&ISO2022JPSMModel); + mState = eDetecting; + mDetectedCharset = nullptr; +} + +nsEscCharSetProber::~nsEscCharSetProber(void) +{ +} + +void nsEscCharSetProber::Reset(void) +{ + mState = eDetecting; + mCodingSM->Reset(); + mDetectedCharset = nullptr; +} + +nsProbingState nsEscCharSetProber::HandleData(const char* aBuf, uint32_t aLen) +{ + nsSMState codingState; + uint32_t i; + + for ( i = 0; i < aLen && mState == eDetecting; i++) + { + codingState = mCodingSM->NextState(aBuf[i]); + if (codingState == eItsMe) + { + mState = eFoundIt; + mDetectedCharset = mCodingSM->GetCodingStateMachine(); + return mState; + } + } + + return mState; +} + diff --git a/extensions/universalchardet/src/base/nsEscCharsetProber.h b/extensions/universalchardet/src/base/nsEscCharsetProber.h new file mode 100644 index 000000000..4507972d0 --- /dev/null +++ b/extensions/universalchardet/src/base/nsEscCharsetProber.h @@ -0,0 +1,32 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef nsEscCharSetProber_h__ +#define nsEscCharSetProber_h__ + +#include "nsCharSetProber.h" +#include "nsCodingStateMachine.h" +#include "nsAutoPtr.h" + +class nsEscCharSetProber: public nsCharSetProber { +public: + nsEscCharSetProber(); + virtual ~nsEscCharSetProber(void); + nsProbingState HandleData(const char* aBuf, uint32_t aLen); + const char* GetCharSetName() {return mDetectedCharset;} + nsProbingState GetState(void) {return mState;} + void Reset(void); + float GetConfidence(void){return (float)0.99;} + +protected: + void GetDistribution(uint32_t aCharLen, const char* aStr); + + nsAutoPtr<nsCodingStateMachine> mCodingSM; + nsProbingState mState; + const char * mDetectedCharset; +}; + +#endif /* nsEscCharSetProber_h__ */ + diff --git a/extensions/universalchardet/src/base/nsEscSM.cpp b/extensions/universalchardet/src/base/nsEscSM.cpp new file mode 100644 index 000000000..77a223fec --- /dev/null +++ b/extensions/universalchardet/src/base/nsEscSM.cpp @@ -0,0 +1,63 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ +#include "nsCodingStateMachine.h" + +static const uint32_t ISO2022JP_cls [ 256 / 8 ] = { +PCK4BITS(2,0,0,0,0,0,0,0), // 00 - 07 +PCK4BITS(0,0,0,0,0,0,2,2), // 08 - 0f +PCK4BITS(0,0,0,0,0,0,0,0), // 10 - 17 +PCK4BITS(0,0,0,1,0,0,0,0), // 18 - 1f +PCK4BITS(0,0,0,0,7,0,0,0), // 20 - 27 +PCK4BITS(3,0,0,0,0,0,0,0), // 28 - 2f +PCK4BITS(0,0,0,0,0,0,0,0), // 30 - 37 +PCK4BITS(0,0,0,0,0,0,0,0), // 38 - 3f +PCK4BITS(6,0,4,0,8,0,0,0), // 40 - 47 +PCK4BITS(0,9,5,0,0,0,0,0), // 48 - 4f +PCK4BITS(0,0,0,0,0,0,0,0), // 50 - 57 +PCK4BITS(0,0,0,0,0,0,0,0), // 58 - 5f +PCK4BITS(0,0,0,0,0,0,0,0), // 60 - 67 +PCK4BITS(0,0,0,0,0,0,0,0), // 68 - 6f +PCK4BITS(0,0,0,0,0,0,0,0), // 70 - 77 +PCK4BITS(0,0,0,0,0,0,0,0), // 78 - 7f +PCK4BITS(2,2,2,2,2,2,2,2), // 80 - 87 +PCK4BITS(2,2,2,2,2,2,2,2), // 88 - 8f +PCK4BITS(2,2,2,2,2,2,2,2), // 90 - 97 +PCK4BITS(2,2,2,2,2,2,2,2), // 98 - 9f +PCK4BITS(2,2,2,2,2,2,2,2), // a0 - a7 +PCK4BITS(2,2,2,2,2,2,2,2), // a8 - af +PCK4BITS(2,2,2,2,2,2,2,2), // b0 - b7 +PCK4BITS(2,2,2,2,2,2,2,2), // b8 - bf +PCK4BITS(2,2,2,2,2,2,2,2), // c0 - c7 +PCK4BITS(2,2,2,2,2,2,2,2), // c8 - cf +PCK4BITS(2,2,2,2,2,2,2,2), // d0 - d7 +PCK4BITS(2,2,2,2,2,2,2,2), // d8 - df +PCK4BITS(2,2,2,2,2,2,2,2), // e0 - e7 +PCK4BITS(2,2,2,2,2,2,2,2), // e8 - ef +PCK4BITS(2,2,2,2,2,2,2,2), // f0 - f7 +PCK4BITS(2,2,2,2,2,2,2,2) // f8 - ff +}; + + +static const uint32_t ISO2022JP_st [ 9] = { +PCK4BITS(eStart, 3,eError,eStart,eStart,eStart,eStart,eStart),//00-07 +PCK4BITS(eStart,eStart,eError,eError,eError,eError,eError,eError),//08-0f +PCK4BITS(eError,eError,eError,eError,eItsMe,eItsMe,eItsMe,eItsMe),//10-17 +PCK4BITS(eItsMe,eItsMe,eItsMe,eItsMe,eItsMe,eItsMe,eError,eError),//18-1f +PCK4BITS(eError, 5,eError,eError,eError, 4,eError,eError),//20-27 +PCK4BITS(eError,eError,eError, 6,eItsMe,eError,eItsMe,eError),//28-2f +PCK4BITS(eError,eError,eError,eError,eError,eError,eItsMe,eItsMe),//30-37 +PCK4BITS(eError,eError,eError,eItsMe,eError,eError,eError,eError),//38-3f +PCK4BITS(eError,eError,eError,eError,eItsMe,eError,eStart,eStart) //40-47 +}; + +static const uint32_t ISO2022JPCharLenTable[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; + +const SMModel ISO2022JPSMModel = { + {eIdxSft4bits, eSftMsk4bits, eBitSft4bits, eUnitMsk4bits, ISO2022JP_cls }, + 10, + {eIdxSft4bits, eSftMsk4bits, eBitSft4bits, eUnitMsk4bits, ISO2022JP_st }, + CHAR_LEN_TABLE(ISO2022JPCharLenTable), + "ISO-2022-JP", +}; diff --git a/extensions/universalchardet/src/base/nsLatin1Prober.cpp b/extensions/universalchardet/src/base/nsLatin1Prober.cpp new file mode 100644 index 000000000..e2769486e --- /dev/null +++ b/extensions/universalchardet/src/base/nsLatin1Prober.cpp @@ -0,0 +1,149 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "nsLatin1Prober.h" +#include "prmem.h" +#include <stdio.h> + +#define UDF 0 // undefined +#define OTH 1 //other +#define ASC 2 // ascii capital letter +#define ASS 3 // ascii small letter +#define ACV 4 // accent capital vowel +#define ACO 5 // accent capital other +#define ASV 6 // accent small vowel +#define ASO 7 // accent small other +#define CLASS_NUM 8 // total classes + +static const unsigned char Latin1_CharToClass[] = +{ + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, // 00 - 07 + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, // 08 - 0F + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, // 10 - 17 + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, // 18 - 1F + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, // 20 - 27 + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, // 28 - 2F + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, // 30 - 37 + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, // 38 - 3F + OTH, ASC, ASC, ASC, ASC, ASC, ASC, ASC, // 40 - 47 + ASC, ASC, ASC, ASC, ASC, ASC, ASC, ASC, // 48 - 4F + ASC, ASC, ASC, ASC, ASC, ASC, ASC, ASC, // 50 - 57 + ASC, ASC, ASC, OTH, OTH, OTH, OTH, OTH, // 58 - 5F + OTH, ASS, ASS, ASS, ASS, ASS, ASS, ASS, // 60 - 67 + ASS, ASS, ASS, ASS, ASS, ASS, ASS, ASS, // 68 - 6F + ASS, ASS, ASS, ASS, ASS, ASS, ASS, ASS, // 70 - 77 + ASS, ASS, ASS, OTH, OTH, OTH, OTH, OTH, // 78 - 7F + OTH, UDF, OTH, ASO, OTH, OTH, OTH, OTH, // 80 - 87 + OTH, OTH, ACO, OTH, ACO, UDF, ACO, UDF, // 88 - 8F + UDF, OTH, OTH, OTH, OTH, OTH, OTH, OTH, // 90 - 97 + OTH, OTH, ASO, OTH, ASO, UDF, ASO, ACO, // 98 - 9F + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, // A0 - A7 + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, // A8 - AF + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, // B0 - B7 + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, // B8 - BF + ACV, ACV, ACV, ACV, ACV, ACV, ACO, ACO, // C0 - C7 + ACV, ACV, ACV, ACV, ACV, ACV, ACV, ACV, // C8 - CF + ACO, ACO, ACV, ACV, ACV, ACV, ACV, OTH, // D0 - D7 + ACV, ACV, ACV, ACV, ACV, ACO, ACO, ACO, // D8 - DF + ASV, ASV, ASV, ASV, ASV, ASV, ASO, ASO, // E0 - E7 + ASV, ASV, ASV, ASV, ASV, ASV, ASV, ASV, // E8 - EF + ASO, ASO, ASV, ASV, ASV, ASV, ASV, OTH, // F0 - F7 + ASV, ASV, ASV, ASV, ASV, ASO, ASO, ASO, // F8 - FF +}; + + +/* 0 : illegal + 1 : very unlikely + 2 : normal + 3 : very likely +*/ +static const unsigned char Latin1ClassModel[] = +{ +/* UDF OTH ASC ASS ACV ACO ASV ASO */ +/*UDF*/ 0, 0, 0, 0, 0, 0, 0, 0, +/*OTH*/ 0, 3, 3, 3, 3, 3, 3, 3, +/*ASC*/ 0, 3, 3, 3, 3, 3, 3, 3, +/*ASS*/ 0, 3, 3, 3, 1, 1, 3, 3, +/*ACV*/ 0, 3, 3, 3, 1, 2, 1, 2, +/*ACO*/ 0, 3, 3, 3, 3, 3, 3, 3, +/*ASV*/ 0, 3, 1, 3, 1, 1, 1, 3, +/*ASO*/ 0, 3, 1, 3, 1, 1, 3, 3, +}; + +void nsLatin1Prober::Reset(void) +{ + mState = eDetecting; + mLastCharClass = OTH; + for (int i = 0; i < FREQ_CAT_NUM; i++) + mFreqCounter[i] = 0; +} + + +nsProbingState nsLatin1Prober::HandleData(const char* aBuf, uint32_t aLen) +{ + char *newBuf1 = 0; + uint32_t newLen1 = 0; + + if (!FilterWithEnglishLetters(aBuf, aLen, &newBuf1, newLen1)) { + newBuf1 = (char*)aBuf; + newLen1 = aLen; + } + + unsigned char charClass; + unsigned char freq; + for (uint32_t i = 0; i < newLen1; i++) + { + charClass = Latin1_CharToClass[(unsigned char)newBuf1[i]]; + freq = Latin1ClassModel[mLastCharClass*CLASS_NUM + charClass]; + if (freq == 0) { + mState = eNotMe; + break; + } + mFreqCounter[freq]++; + mLastCharClass = charClass; + } + + if (newBuf1 != aBuf) + PR_FREEIF(newBuf1); + + return mState; +} + +float nsLatin1Prober::GetConfidence(void) +{ + if (mState == eNotMe) + return 0.01f; + + float confidence; + uint32_t total = 0; + for (int32_t i = 0; i < FREQ_CAT_NUM; i++) + total += mFreqCounter[i]; + + if(!total) + confidence = 0.0f; + else + { + confidence = mFreqCounter[3]*1.0f / total; + confidence -= mFreqCounter[1]*20.0f/total; + } + + if (confidence < 0.0f) + confidence = 0.0f; + + // lower the confidence of latin1 so that other more accurate detector + // can take priority. + confidence *= 0.50f; + + return confidence; +} + +#ifdef DEBUG_chardet +void nsLatin1Prober::DumpStatus() +{ + printf(" Latin1Prober: %1.3f [%s]\r\n", GetConfidence(), GetCharSetName()); +} +#endif + + diff --git a/extensions/universalchardet/src/base/nsLatin1Prober.h b/extensions/universalchardet/src/base/nsLatin1Prober.h new file mode 100644 index 000000000..df25d083b --- /dev/null +++ b/extensions/universalchardet/src/base/nsLatin1Prober.h @@ -0,0 +1,36 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef nsLatin1Prober_h__ +#define nsLatin1Prober_h__ + +#include "nsCharSetProber.h" + +#define FREQ_CAT_NUM 4 + +class nsLatin1Prober: public nsCharSetProber { +public: + nsLatin1Prober(void){Reset();} + virtual ~nsLatin1Prober(void){} + nsProbingState HandleData(const char* aBuf, uint32_t aLen); + const char* GetCharSetName() {return "windows-1252";} + nsProbingState GetState(void) {return mState;} + void Reset(void); + float GetConfidence(void); + +#ifdef DEBUG_chardet + virtual void DumpStatus(); +#endif + +protected: + + nsProbingState mState; + char mLastCharClass; + uint32_t mFreqCounter[FREQ_CAT_NUM]; +}; + + +#endif /* nsLatin1Prober_h__ */ + diff --git a/extensions/universalchardet/src/base/nsMBCSGroupProber.cpp b/extensions/universalchardet/src/base/nsMBCSGroupProber.cpp new file mode 100644 index 000000000..b47691443 --- /dev/null +++ b/extensions/universalchardet/src/base/nsMBCSGroupProber.cpp @@ -0,0 +1,177 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ +#include <stdio.h> + +#include "nsMBCSGroupProber.h" +#include "nsUniversalDetector.h" + +#if defined(DEBUG_chardet) || defined(DEBUG_jgmyers) +const char *ProberName[] = +{ + "UTF8", + "SJIS", + "EUCJP", +}; + +#endif + +nsMBCSGroupProber::nsMBCSGroupProber() +{ + mProbers[0] = new nsUTF8Prober(); + mProbers[1] = new nsSJISProber(); + mProbers[2] = new nsEUCJPProber(); + Reset(); +} + +nsMBCSGroupProber::~nsMBCSGroupProber() +{ + for (uint32_t i = 0; i < NUM_OF_PROBERS; i++) + { + delete mProbers[i]; + } +} + +const char* nsMBCSGroupProber::GetCharSetName() +{ + if (mBestGuess == -1) + { + GetConfidence(); + if (mBestGuess == -1) + mBestGuess = 0; + } + return mProbers[mBestGuess]->GetCharSetName(); +} + +void nsMBCSGroupProber::Reset(void) +{ + mActiveNum = 0; + for (uint32_t i = 0; i < NUM_OF_PROBERS; i++) + { + if (mProbers[i]) + { + mProbers[i]->Reset(); + mIsActive[i] = true; + ++mActiveNum; + } + else + mIsActive[i] = false; + } + mBestGuess = -1; + mState = eDetecting; + mKeepNext = 0; +} + +nsProbingState nsMBCSGroupProber::HandleData(const char* aBuf, uint32_t aLen) +{ + nsProbingState st; + uint32_t start = 0; + uint32_t keepNext = mKeepNext; + + //do filtering to reduce load to probers + for (uint32_t pos = 0; pos < aLen; ++pos) + { + if (aBuf[pos] & 0x80) + { + if (!keepNext) + start = pos; + keepNext = 2; + } + else if (keepNext) + { + if (--keepNext == 0) + { + for (uint32_t i = 0; i < NUM_OF_PROBERS; i++) + { + if (!mIsActive[i]) + continue; + st = mProbers[i]->HandleData(aBuf + start, pos + 1 - start); + if (st == eFoundIt) + { + mBestGuess = i; + mState = eFoundIt; + return mState; + } + } + } + } + } + + if (keepNext) { + for (uint32_t i = 0; i < NUM_OF_PROBERS; i++) + { + if (!mIsActive[i]) + continue; + st = mProbers[i]->HandleData(aBuf + start, aLen - start); + if (st == eFoundIt) + { + mBestGuess = i; + mState = eFoundIt; + return mState; + } + } + } + mKeepNext = keepNext; + + return mState; +} + +float nsMBCSGroupProber::GetConfidence(void) +{ + uint32_t i; + float bestConf = 0.0, cf; + + switch (mState) + { + case eFoundIt: + return (float)0.99; + case eNotMe: + return (float)0.01; + default: + for (i = 0; i < NUM_OF_PROBERS; i++) + { + if (!mIsActive[i]) + continue; + cf = mProbers[i]->GetConfidence(); + if (bestConf < cf) + { + bestConf = cf; + mBestGuess = i; + } + } + } + return bestConf; +} + +#ifdef DEBUG_chardet +void nsMBCSGroupProber::DumpStatus() +{ + uint32_t i; + float cf; + + GetConfidence(); + for (i = 0; i < NUM_OF_PROBERS; i++) + { + if (!mIsActive[i]) + printf(" MBCS inactive: [%s] (confidence is too low).\r\n", ProberName[i]); + else + { + cf = mProbers[i]->GetConfidence(); + printf(" MBCS %1.3f: [%s]\r\n", cf, ProberName[i]); + } + } +} +#endif + +#ifdef DEBUG_jgmyers +void nsMBCSGroupProber::GetDetectorState(nsUniversalDetector::DetectorState (&states)[nsUniversalDetector::NumDetectors], uint32_t &offset) +{ + for (uint32_t i = 0; i < NUM_OF_PROBERS; ++i) { + states[offset].name = ProberName[i]; + states[offset].isActive = mIsActive[i]; + states[offset].confidence = mIsActive[i] ? mProbers[i]->GetConfidence() : 0.0; + ++offset; + } +} +#endif /* DEBUG_jgmyers */ diff --git a/extensions/universalchardet/src/base/nsMBCSGroupProber.h b/extensions/universalchardet/src/base/nsMBCSGroupProber.h new file mode 100644 index 000000000..444b31d09 --- /dev/null +++ b/extensions/universalchardet/src/base/nsMBCSGroupProber.h @@ -0,0 +1,42 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef nsMBCSGroupProber_h__ +#define nsMBCSGroupProber_h__ + +#include "nsSJISProber.h" +#include "nsUTF8Prober.h" +#include "nsEUCJPProber.h" + +#define NUM_OF_PROBERS 3 + +class nsMBCSGroupProber: public nsCharSetProber { +public: + nsMBCSGroupProber(); + virtual ~nsMBCSGroupProber(); + nsProbingState HandleData(const char* aBuf, uint32_t aLen); + const char* GetCharSetName(); + nsProbingState GetState(void) {return mState;} + void Reset(void); + float GetConfidence(void); + +#ifdef DEBUG_chardet + void DumpStatus(); +#endif +#ifdef DEBUG_jgmyers + void GetDetectorState(nsUniversalDetector::DetectorState (&states)[nsUniversalDetector::NumDetectors], uint32_t &offset); +#endif + +protected: + nsProbingState mState; + nsCharSetProber* mProbers[NUM_OF_PROBERS]; + bool mIsActive[NUM_OF_PROBERS]; + int32_t mBestGuess; + uint32_t mActiveNum; + uint32_t mKeepNext; +}; + +#endif /* nsMBCSGroupProber_h__ */ + diff --git a/extensions/universalchardet/src/base/nsMBCSSM.cpp b/extensions/universalchardet/src/base/nsMBCSSM.cpp new file mode 100644 index 000000000..6a1adbf86 --- /dev/null +++ b/extensions/universalchardet/src/base/nsMBCSSM.cpp @@ -0,0 +1,188 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ +#include "nsCodingStateMachine.h" + +/* +Modification from frank tang's original work: +. 0x00 is allowed as a legal character. Since some web pages contains this char in + text stream. +*/ + +static const uint32_t EUCJP_cls [ 256 / 8 ] = { +//PCK4BITS(5,4,4,4,4,4,4,4), // 00 - 07 +PCK4BITS(4,4,4,4,4,4,4,4), // 00 - 07 +PCK4BITS(4,4,4,4,4,4,5,5), // 08 - 0f +PCK4BITS(4,4,4,4,4,4,4,4), // 10 - 17 +PCK4BITS(4,4,4,5,4,4,4,4), // 18 - 1f +PCK4BITS(4,4,4,4,4,4,4,4), // 20 - 27 +PCK4BITS(4,4,4,4,4,4,4,4), // 28 - 2f +PCK4BITS(4,4,4,4,4,4,4,4), // 30 - 37 +PCK4BITS(4,4,4,4,4,4,4,4), // 38 - 3f +PCK4BITS(4,4,4,4,4,4,4,4), // 40 - 47 +PCK4BITS(4,4,4,4,4,4,4,4), // 48 - 4f +PCK4BITS(4,4,4,4,4,4,4,4), // 50 - 57 +PCK4BITS(4,4,4,4,4,4,4,4), // 58 - 5f +PCK4BITS(4,4,4,4,4,4,4,4), // 60 - 67 +PCK4BITS(4,4,4,4,4,4,4,4), // 68 - 6f +PCK4BITS(4,4,4,4,4,4,4,4), // 70 - 77 +PCK4BITS(4,4,4,4,4,4,4,4), // 78 - 7f +PCK4BITS(5,5,5,5,5,5,5,5), // 80 - 87 +PCK4BITS(5,5,5,5,5,5,1,3), // 88 - 8f +PCK4BITS(5,5,5,5,5,5,5,5), // 90 - 97 +PCK4BITS(5,5,5,5,5,5,5,5), // 98 - 9f +PCK4BITS(5,2,2,2,2,2,2,2), // a0 - a7 +PCK4BITS(2,2,2,2,2,2,2,2), // a8 - af +PCK4BITS(2,2,2,2,2,2,2,2), // b0 - b7 +PCK4BITS(2,2,2,2,2,2,2,2), // b8 - bf +PCK4BITS(2,2,2,2,2,2,2,2), // c0 - c7 +PCK4BITS(2,2,2,2,2,2,2,2), // c8 - cf +PCK4BITS(2,2,2,2,2,2,2,2), // d0 - d7 +PCK4BITS(2,2,2,2,2,2,2,2), // d8 - df +PCK4BITS(0,0,0,0,0,0,0,0), // e0 - e7 +PCK4BITS(0,0,0,0,0,0,0,0), // e8 - ef +PCK4BITS(0,0,0,0,0,0,0,0), // f0 - f7 +PCK4BITS(0,0,0,0,0,0,0,5) // f8 - ff +}; + + +static const uint32_t EUCJP_st [ 5] = { +PCK4BITS( 3, 4, 3, 5,eStart,eError,eError,eError),//00-07 +PCK4BITS(eError,eError,eError,eError,eItsMe,eItsMe,eItsMe,eItsMe),//08-0f +PCK4BITS(eItsMe,eItsMe,eStart,eError,eStart,eError,eError,eError),//10-17 +PCK4BITS(eError,eError,eStart,eError,eError,eError, 3,eError),//18-1f +PCK4BITS( 3,eError,eError,eError,eStart,eStart,eStart,eStart) //20-27 +}; + +static const uint32_t EUCJPCharLenTable[] = {2, 2, 2, 3, 1, 0}; + +const SMModel EUCJPSMModel = { + {eIdxSft4bits, eSftMsk4bits, eBitSft4bits, eUnitMsk4bits, EUCJP_cls }, + 6, + {eIdxSft4bits, eSftMsk4bits, eBitSft4bits, eUnitMsk4bits, EUCJP_st }, + CHAR_LEN_TABLE(EUCJPCharLenTable), + "EUC-JP", +}; + +// sjis + +static const uint32_t SJIS_cls [ 256 / 8 ] = { +//PCK4BITS(0,1,1,1,1,1,1,1), // 00 - 07 +PCK4BITS(1,1,1,1,1,1,1,1), // 00 - 07 +PCK4BITS(1,1,1,1,1,1,0,0), // 08 - 0f +PCK4BITS(1,1,1,1,1,1,1,1), // 10 - 17 +PCK4BITS(1,1,1,0,1,1,1,1), // 18 - 1f +PCK4BITS(1,1,1,1,1,1,1,1), // 20 - 27 +PCK4BITS(1,1,1,1,1,1,1,1), // 28 - 2f +PCK4BITS(1,1,1,1,1,1,1,1), // 30 - 37 +PCK4BITS(1,1,1,1,1,1,1,1), // 38 - 3f +PCK4BITS(2,2,2,2,2,2,2,2), // 40 - 47 +PCK4BITS(2,2,2,2,2,2,2,2), // 48 - 4f +PCK4BITS(2,2,2,2,2,2,2,2), // 50 - 57 +PCK4BITS(2,2,2,2,2,2,2,2), // 58 - 5f +PCK4BITS(2,2,2,2,2,2,2,2), // 60 - 67 +PCK4BITS(2,2,2,2,2,2,2,2), // 68 - 6f +PCK4BITS(2,2,2,2,2,2,2,2), // 70 - 77 +PCK4BITS(2,2,2,2,2,2,2,1), // 78 - 7f +PCK4BITS(3,3,3,3,3,3,3,3), // 80 - 87 +PCK4BITS(3,3,3,3,3,3,3,3), // 88 - 8f +PCK4BITS(3,3,3,3,3,3,3,3), // 90 - 97 +PCK4BITS(3,3,3,3,3,3,3,3), // 98 - 9f +//0xa0 is illegal in sjis encoding, but some pages does +//contain such byte. We need to be more error forgiven. +PCK4BITS(2,2,2,2,2,2,2,2), // a0 - a7 +PCK4BITS(2,2,2,2,2,2,2,2), // a8 - af +PCK4BITS(2,2,2,2,2,2,2,2), // b0 - b7 +PCK4BITS(2,2,2,2,2,2,2,2), // b8 - bf +PCK4BITS(2,2,2,2,2,2,2,2), // c0 - c7 +PCK4BITS(2,2,2,2,2,2,2,2), // c8 - cf +PCK4BITS(2,2,2,2,2,2,2,2), // d0 - d7 +PCK4BITS(2,2,2,2,2,2,2,2), // d8 - df +PCK4BITS(3,3,3,3,3,3,3,3), // e0 - e7 +PCK4BITS(3,3,3,3,3,4,4,4), // e8 - ef +PCK4BITS(4,4,4,4,4,4,4,4), // f0 - f7 +PCK4BITS(4,4,4,4,4,0,0,0) // f8 - ff +}; + + +static const uint32_t SJIS_st [ 3] = { +PCK4BITS(eError,eStart,eStart, 3,eError,eError,eError,eError),//00-07 +PCK4BITS(eError,eError,eError,eError,eItsMe,eItsMe,eItsMe,eItsMe),//08-0f +PCK4BITS(eItsMe,eItsMe,eError,eError,eStart,eStart,eStart,eStart) //10-17 +}; + +static const uint32_t SJISCharLenTable[] = {0, 1, 1, 2, 0, 0}; + +const SMModel SJISSMModel = { + {eIdxSft4bits, eSftMsk4bits, eBitSft4bits, eUnitMsk4bits, SJIS_cls }, + 6, + {eIdxSft4bits, eSftMsk4bits, eBitSft4bits, eUnitMsk4bits, SJIS_st }, + CHAR_LEN_TABLE(SJISCharLenTable), + "Shift_JIS", +}; + + +static const uint32_t UTF8_cls [ 256 / 8 ] = { +PCK4BITS( 1, 1, 1, 1, 1, 1, 1, 1), // 00 - 07 +PCK4BITS( 1, 1, 1, 1, 1, 1, 0, 0), // 08 - 0f +PCK4BITS( 1, 1, 1, 1, 1, 1, 1, 1), // 10 - 17 +PCK4BITS( 1, 1, 1, 0, 1, 1, 1, 1), // 18 - 1f +PCK4BITS( 1, 1, 1, 1, 1, 1, 1, 1), // 20 - 27 +PCK4BITS( 1, 1, 1, 1, 1, 1, 1, 1), // 28 - 2f +PCK4BITS( 1, 1, 1, 1, 1, 1, 1, 1), // 30 - 37 +PCK4BITS( 1, 1, 1, 1, 1, 1, 1, 1), // 38 - 3f +PCK4BITS( 1, 1, 1, 1, 1, 1, 1, 1), // 40 - 47 +PCK4BITS( 1, 1, 1, 1, 1, 1, 1, 1), // 48 - 4f +PCK4BITS( 1, 1, 1, 1, 1, 1, 1, 1), // 50 - 57 +PCK4BITS( 1, 1, 1, 1, 1, 1, 1, 1), // 58 - 5f +PCK4BITS( 1, 1, 1, 1, 1, 1, 1, 1), // 60 - 67 +PCK4BITS( 1, 1, 1, 1, 1, 1, 1, 1), // 68 - 6f +PCK4BITS( 1, 1, 1, 1, 1, 1, 1, 1), // 70 - 77 +PCK4BITS( 1, 1, 1, 1, 1, 1, 1, 1), // 78 - 7f +PCK4BITS( 2, 2, 2, 2, 2, 2, 2, 2), // 80 - 87 +PCK4BITS( 2, 2, 2, 2, 2, 2, 2, 2), // 88 - 8f +PCK4BITS( 3, 3, 3, 3, 3, 3, 3, 3), // 90 - 97 +PCK4BITS( 3, 3, 3, 3, 3, 3, 3, 3), // 98 - 9f +PCK4BITS( 4, 4, 4, 4, 4, 4, 4, 4), // a0 - a7 +PCK4BITS( 4, 4, 4, 4, 4, 4, 4, 4), // a8 - af +PCK4BITS( 4, 4, 4, 4, 4, 4, 4, 4), // b0 - b7 +PCK4BITS( 4, 4, 4, 4, 4, 4, 4, 4), // b8 - bf +PCK4BITS( 0, 0, 5, 5, 5, 5, 5, 5), // c0 - c7 +PCK4BITS( 5, 5, 5, 5, 5, 5, 5, 5), // c8 - cf +PCK4BITS( 5, 5, 5, 5, 5, 5, 5, 5), // d0 - d7 +PCK4BITS( 5, 5, 5, 5, 5, 5, 5, 5), // d8 - df +PCK4BITS( 6, 7, 7, 7, 7, 7, 7, 7), // e0 - e7 +PCK4BITS( 7, 7, 7, 7, 7, 8, 7, 7), // e8 - ef +PCK4BITS( 9,10,10,10,11, 0, 0, 0), // f0 - f7 +PCK4BITS( 0, 0, 0, 0, 0, 0, 0, 0) // f8 - ff +}; + + +static const uint32_t UTF8_st [ 15] = { +PCK4BITS(eError,eStart,eError,eError,eError, 3, 4, 5), // 00 - 07 +PCK4BITS( 6, 7, 8, 9,eError,eError,eError,eError), // 08 - 0f +PCK4BITS(eError,eError,eError,eError,eError,eError,eError,eError), // 10 - 17 +PCK4BITS(eItsMe,eItsMe,eItsMe,eItsMe,eItsMe,eItsMe,eItsMe,eItsMe), // 18 - 1f +PCK4BITS(eItsMe,eItsMe,eItsMe,eItsMe,eError,eError,eStart,eStart), // 20 - 27 +PCK4BITS(eStart,eError,eError,eError,eError,eError,eError,eError), // 28 - 2f +PCK4BITS(eError,eError,eError,eError, 3,eError,eError,eError), // 30 - 37 +PCK4BITS(eError,eError,eError,eError,eError,eError, 3, 3), // 38 - 3f +PCK4BITS( 3,eError,eError,eError,eError,eError,eError,eError), // 40 - 47 +PCK4BITS(eError,eError, 3, 3,eError,eError,eError,eError), // 48 - 4f +PCK4BITS(eError,eError,eError,eError,eError,eError, 5, 5), // 50 - 57 +PCK4BITS(eError,eError,eError,eError,eError,eError,eError,eError), // 58 - 5f +PCK4BITS(eError,eError, 5, 5, 5,eError,eError,eError), // 60 - 67 +PCK4BITS(eError,eError,eError,eError,eError,eError, 5,eError), // 68 - 6f +PCK4BITS(eError,eError,eError,eError,eError,eError,eError,eError) // 70 - 77 +}; + +static const uint32_t UTF8CharLenTable[] = {0, 1, 0, 0, 0, 2, 3, 3, 3, 4, 4, 4}; + +const SMModel UTF8SMModel = { + {eIdxSft4bits, eSftMsk4bits, eBitSft4bits, eUnitMsk4bits, UTF8_cls }, + 12, + {eIdxSft4bits, eSftMsk4bits, eBitSft4bits, eUnitMsk4bits, UTF8_st }, + CHAR_LEN_TABLE(UTF8CharLenTable), + "UTF-8", +}; diff --git a/extensions/universalchardet/src/base/nsPkgInt.h b/extensions/universalchardet/src/base/nsPkgInt.h new file mode 100644 index 000000000..488b2389d --- /dev/null +++ b/extensions/universalchardet/src/base/nsPkgInt.h @@ -0,0 +1,57 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef nsPkgInt_h__ +#define nsPkgInt_h__ +#include "nscore.h" + +typedef enum { + eIdxSft4bits = 3, + eIdxSft8bits = 2, + eIdxSft16bits = 1 +} nsIdxSft; + +typedef enum { + eSftMsk4bits = 7, + eSftMsk8bits = 3, + eSftMsk16bits = 1 +} nsSftMsk; + +typedef enum { + eBitSft4bits = 2, + eBitSft8bits = 3, + eBitSft16bits = 4 +} nsBitSft; + +typedef enum { + eUnitMsk4bits = 0x0000000FL, + eUnitMsk8bits = 0x000000FFL, + eUnitMsk16bits = 0x0000FFFFL +} nsUnitMsk; + +typedef struct nsPkgInt { + nsIdxSft idxsft; + nsSftMsk sftmsk; + nsBitSft bitsft; + nsUnitMsk unitmsk; + const uint32_t* const data; +} nsPkgInt; + + +#define PCK16BITS(a,b) ((uint32_t)(((b) << 16) | (a))) + +#define PCK8BITS(a,b,c,d) PCK16BITS( ((uint32_t)(((b) << 8) | (a))), \ + ((uint32_t)(((d) << 8) | (c)))) + +#define PCK4BITS(a,b,c,d,e,f,g,h) PCK8BITS( ((uint32_t)(((b) << 4) | (a))), \ + ((uint32_t)(((d) << 4) | (c))), \ + ((uint32_t)(((f) << 4) | (e))), \ + ((uint32_t)(((h) << 4) | (g))) ) + +#define GETFROMPCK(i, c) \ + (((((c).data)[(i)>>(c).idxsft])>>(((i)&(c).sftmsk)<<(c).bitsft))&(c).unitmsk) + +#endif /* nsPkgInt_h__ */ + diff --git a/extensions/universalchardet/src/base/nsSJISProber.cpp b/extensions/universalchardet/src/base/nsSJISProber.cpp new file mode 100644 index 000000000..73d615bd9 --- /dev/null +++ b/extensions/universalchardet/src/base/nsSJISProber.cpp @@ -0,0 +1,68 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +// for S-JIS encoding, obeserve characteristic: +// 1, kana character (or hankaku?) often have hight frequency of appereance +// 2, kana character often exist in group +// 3, certain combination of kana is never used in japanese language + +#include "nsSJISProber.h" +#include "nsDebug.h" + +void nsSJISProber::Reset(void) +{ + mCodingSM->Reset(); + mState = eDetecting; + mContextAnalyser.Reset(); + mDistributionAnalyser.Reset(); +} + +nsProbingState nsSJISProber::HandleData(const char* aBuf, uint32_t aLen) +{ + NS_ASSERTION(aLen, "HandleData called with empty buffer"); + nsSMState codingState; + + for (uint32_t i = 0; i < aLen; i++) + { + codingState = mCodingSM->NextState(aBuf[i]); + if (codingState == eItsMe) + { + mState = eFoundIt; + break; + } + if (codingState == eStart) + { + uint32_t charLen = mCodingSM->GetCurrentCharLen(); + if (i == 0) + { + mLastChar[1] = aBuf[0]; + mContextAnalyser.HandleOneChar(mLastChar+2-charLen, charLen); + mDistributionAnalyser.HandleOneChar(mLastChar, charLen); + } + else + { + mContextAnalyser.HandleOneChar(aBuf+i+1-charLen, charLen); + mDistributionAnalyser.HandleOneChar(aBuf+i-1, charLen); + } + } + } + + mLastChar[0] = aBuf[aLen-1]; + + if (mState == eDetecting) + if (mContextAnalyser.GotEnoughData() && GetConfidence() > SHORTCUT_THRESHOLD) + mState = eFoundIt; + + return mState; +} + +float nsSJISProber::GetConfidence(void) +{ + float contxtCf = mContextAnalyser.GetConfidence(); + float distribCf = mDistributionAnalyser.GetConfidence(); + + return (contxtCf > distribCf ? contxtCf : distribCf); +} + diff --git a/extensions/universalchardet/src/base/nsSJISProber.h b/extensions/universalchardet/src/base/nsSJISProber.h new file mode 100644 index 000000000..6044fae87 --- /dev/null +++ b/extensions/universalchardet/src/base/nsSJISProber.h @@ -0,0 +1,44 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +// for S-JIS encoding, obeserve characteristic: +// 1, kana character (or hankaku?) often have hight frequency of appereance +// 2, kana character often exist in group +// 3, certain combination of kana is never used in japanese language + +#ifndef nsSJISProber_h__ +#define nsSJISProber_h__ + +#include "nsCharSetProber.h" +#include "nsCodingStateMachine.h" +#include "JpCntx.h" +#include "CharDistribution.h" + + +class nsSJISProber: public nsCharSetProber { +public: + nsSJISProber() + {mCodingSM = new nsCodingStateMachine(&SJISSMModel); + Reset();} + virtual ~nsSJISProber(void){delete mCodingSM;} + nsProbingState HandleData(const char* aBuf, uint32_t aLen); + const char* GetCharSetName() {return "Shift_JIS";} + nsProbingState GetState(void) {return mState;} + void Reset(void); + float GetConfidence(void); + +protected: + nsCodingStateMachine* mCodingSM; + nsProbingState mState; + + SJISContextAnalysis mContextAnalyser; + SJISDistributionAnalysis mDistributionAnalyser; + + char mLastChar[2]; +}; + + +#endif /* nsSJISProber_h__ */ + diff --git a/extensions/universalchardet/src/base/nsUTF8Prober.cpp b/extensions/universalchardet/src/base/nsUTF8Prober.cpp new file mode 100644 index 000000000..1cba4f3cb --- /dev/null +++ b/extensions/universalchardet/src/base/nsUTF8Prober.cpp @@ -0,0 +1,55 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "nsUTF8Prober.h" + +void nsUTF8Prober::Reset(void) +{ + mCodingSM->Reset(); + mNumOfMBChar = 0; + mState = eDetecting; +} + +nsProbingState nsUTF8Prober::HandleData(const char* aBuf, uint32_t aLen) +{ + nsSMState codingState; + + for (uint32_t i = 0; i < aLen; i++) + { + codingState = mCodingSM->NextState(aBuf[i]); + if (codingState == eItsMe) + { + mState = eFoundIt; + break; + } + if (codingState == eStart) + { + if (mCodingSM->GetCurrentCharLen() >= 2) + mNumOfMBChar++; + } + } + + if (mState == eDetecting) + if (GetConfidence() > SHORTCUT_THRESHOLD) + mState = eFoundIt; + return mState; +} + +#define ONE_CHAR_PROB (float)0.50 + +float nsUTF8Prober::GetConfidence(void) +{ + float unlike = (float)0.99; + + if (mNumOfMBChar < 6) + { + for (uint32_t i = 0; i < mNumOfMBChar; i++) + unlike *= ONE_CHAR_PROB; + return (float)1.0 - unlike; + } + else + return (float)0.99; +} + diff --git a/extensions/universalchardet/src/base/nsUTF8Prober.h b/extensions/universalchardet/src/base/nsUTF8Prober.h new file mode 100644 index 000000000..077d3dd74 --- /dev/null +++ b/extensions/universalchardet/src/base/nsUTF8Prober.h @@ -0,0 +1,31 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef nsUTF8Prober_h__ +#define nsUTF8Prober_h__ + +#include "nsCharSetProber.h" +#include "nsCodingStateMachine.h" + +class nsUTF8Prober: public nsCharSetProber { +public: + nsUTF8Prober(){mNumOfMBChar = 0; + mCodingSM = new nsCodingStateMachine(&UTF8SMModel); + Reset(); } + virtual ~nsUTF8Prober(){delete mCodingSM;} + nsProbingState HandleData(const char* aBuf, uint32_t aLen); + const char* GetCharSetName() {return "UTF-8";} + nsProbingState GetState(void) {return mState;} + void Reset(void); + float GetConfidence(void); + +protected: + nsCodingStateMachine* mCodingSM; + nsProbingState mState; + uint32_t mNumOfMBChar; +}; + +#endif /* nsUTF8Prober_h__ */ + diff --git a/extensions/universalchardet/src/base/nsUniversalDetector.cpp b/extensions/universalchardet/src/base/nsUniversalDetector.cpp new file mode 100644 index 000000000..d272827b8 --- /dev/null +++ b/extensions/universalchardet/src/base/nsUniversalDetector.cpp @@ -0,0 +1,240 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "nscore.h" + +#include "nsUniversalDetector.h" + +#include "nsMBCSGroupProber.h" +#include "nsEscCharsetProber.h" +#include "nsLatin1Prober.h" + +nsUniversalDetector::nsUniversalDetector() +{ + mDone = false; + mBestGuess = -1; //illegal value as signal + mInTag = false; + mEscCharSetProber = nullptr; + + mStart = true; + mDetectedCharset = nullptr; + mGotData = false; + mInputState = ePureAscii; + mLastChar = '\0'; + + uint32_t i; + for (i = 0; i < NUM_OF_CHARSET_PROBERS; i++) + mCharSetProbers[i] = nullptr; +} + +nsUniversalDetector::~nsUniversalDetector() +{ + for (int32_t i = 0; i < NUM_OF_CHARSET_PROBERS; i++) + delete mCharSetProbers[i]; + + delete mEscCharSetProber; +} + +void +nsUniversalDetector::Reset() +{ + mDone = false; + mBestGuess = -1; //illegal value as signal + mInTag = false; + + mStart = true; + mDetectedCharset = nullptr; + mGotData = false; + mInputState = ePureAscii; + mLastChar = '\0'; + + if (mEscCharSetProber) + mEscCharSetProber->Reset(); + + uint32_t i; + for (i = 0; i < NUM_OF_CHARSET_PROBERS; i++) + if (mCharSetProbers[i]) + mCharSetProbers[i]->Reset(); +} + +//--------------------------------------------------------------------- +#define SHORTCUT_THRESHOLD (float)0.95 +#define MINIMUM_THRESHOLD (float)0.20 + +nsresult nsUniversalDetector::HandleData(const char* aBuf, uint32_t aLen) +{ + if(mDone) + return NS_OK; + + if (aLen > 0) + mGotData = true; + + //If the data starts with BOM, we know it is UTF + if (mStart) + { + mStart = false; + if (aLen >= 2) { + switch (aBuf[0]) { + case '\xEF': + if ((aLen > 2) && ('\xBB' == aBuf[1]) && ('\xBF' == aBuf[2])) { + // EF BB BF UTF-8 encoded BOM + mDetectedCharset = "UTF-8"; + } + break; + case '\xFE': + if ('\xFF' == aBuf[1]) { + // FE FF UTF-16, big endian BOM + mDetectedCharset = "UTF-16BE"; + } + break; + case '\xFF': + if ('\xFE' == aBuf[1]) { + // FF FE UTF-16, little endian BOM + mDetectedCharset = "UTF-16LE"; + } + break; + } // switch + } + + if (mDetectedCharset) + { + mDone = true; + return NS_OK; + } + } + + uint32_t i; + for (i = 0; i < aLen; i++) + { + //other than 0xa0, if every othe character is ascii, the page is ascii + if (aBuf[i] & '\x80' && aBuf[i] != '\xA0') //Since many Ascii only page contains NBSP + { + //we got a non-ascii byte (high-byte) + if (mInputState != eHighbyte) + { + //adjust state + mInputState = eHighbyte; + + //kill mEscCharSetProber if it is active + if (mEscCharSetProber) { + delete mEscCharSetProber; + mEscCharSetProber = nullptr; + } + + //start multibyte and singlebyte charset prober + if (nullptr == mCharSetProbers[0]) + { + mCharSetProbers[0] = new nsMBCSGroupProber(); + if (nullptr == mCharSetProbers[0]) + return NS_ERROR_OUT_OF_MEMORY; + } + if (nullptr == mCharSetProbers[2]) + { + mCharSetProbers[2] = new nsLatin1Prober; + if (nullptr == mCharSetProbers[2]) + return NS_ERROR_OUT_OF_MEMORY; + } + } + } + else + { + //ok, just pure ascii so far + if ((ePureAscii == mInputState) && (aBuf[i] == '\033')) + { + //found escape character + mInputState = eEscAscii; + } + mLastChar = aBuf[i]; + } + } + + nsProbingState st; + switch (mInputState) + { + case eEscAscii: + if (nullptr == mEscCharSetProber) { + mEscCharSetProber = new nsEscCharSetProber(); + if (nullptr == mEscCharSetProber) + return NS_ERROR_OUT_OF_MEMORY; + } + st = mEscCharSetProber->HandleData(aBuf, aLen); + if (st == eFoundIt) + { + mDone = true; + mDetectedCharset = mEscCharSetProber->GetCharSetName(); + } + break; + case eHighbyte: + for (i = 0; i < NUM_OF_CHARSET_PROBERS; i++) + { + if (mCharSetProbers[i]) + { + st = mCharSetProbers[i]->HandleData(aBuf, aLen); + if (st == eFoundIt) + { + mDone = true; + mDetectedCharset = mCharSetProbers[i]->GetCharSetName(); + return NS_OK; + } + } + } + break; + + default: //pure ascii + ;//do nothing here + } + return NS_OK; +} + + +//--------------------------------------------------------------------- +void nsUniversalDetector::DataEnd() +{ + if (!mGotData) + { + // we haven't got any data yet, return immediately + // caller program sometimes call DataEnd before anything has been sent to detector + return; + } + + if (mDetectedCharset) + { + mDone = true; + Report(mDetectedCharset); + return; + } + + switch (mInputState) + { + case eHighbyte: + { + float proberConfidence; + float maxProberConfidence = (float)0.0; + int32_t maxProber = 0; + + for (int32_t i = 0; i < NUM_OF_CHARSET_PROBERS; i++) + { + if (mCharSetProbers[i]) + { + proberConfidence = mCharSetProbers[i]->GetConfidence(); + if (proberConfidence > maxProberConfidence) + { + maxProberConfidence = proberConfidence; + maxProber = i; + } + } + } + //do not report anything because we are not confident of it, that's in fact a negative answer + if (maxProberConfidence > MINIMUM_THRESHOLD) + Report(mCharSetProbers[maxProber]->GetCharSetName()); + } + break; + case eEscAscii: + break; + default: + ; + } + return; +} diff --git a/extensions/universalchardet/src/base/nsUniversalDetector.h b/extensions/universalchardet/src/base/nsUniversalDetector.h new file mode 100644 index 000000000..345e74f9f --- /dev/null +++ b/extensions/universalchardet/src/base/nsUniversalDetector.h @@ -0,0 +1,44 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef nsUniversalDetector_h__ +#define nsUniversalDetector_h__ + +class nsCharSetProber; + +#define NUM_OF_CHARSET_PROBERS 3 + +typedef enum { + ePureAscii = 0, + eEscAscii = 1, + eHighbyte = 2 +} nsInputState; + +class nsUniversalDetector { +public: + nsUniversalDetector(); + virtual ~nsUniversalDetector(); + virtual nsresult HandleData(const char* aBuf, uint32_t aLen); + virtual void DataEnd(void); + +protected: + virtual void Report(const char* aCharset) = 0; + virtual void Reset(); + nsInputState mInputState; + bool mDone; + bool mInTag; + bool mStart; + bool mGotData; + char mLastChar; + const char * mDetectedCharset; + int32_t mBestGuess; + uint32_t mLanguageFilter; + + nsCharSetProber *mCharSetProbers[NUM_OF_CHARSET_PROBERS]; + nsCharSetProber *mEscCharSetProber; +}; + +#endif + diff --git a/extensions/universalchardet/src/moz.build b/extensions/universalchardet/src/moz.build new file mode 100644 index 000000000..db5b3ff62 --- /dev/null +++ b/extensions/universalchardet/src/moz.build @@ -0,0 +1,8 @@ +# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*- +# vim: set filetype=python: +# This Source Code Form is subject to the terms of the Mozilla Public +# License, v. 2.0. If a copy of the MPL was not distributed with this +# file, You can obtain one at http://mozilla.org/MPL/2.0/. + +DIRS += ['base', 'xpcom'] + diff --git a/extensions/universalchardet/src/xpcom/moz.build b/extensions/universalchardet/src/xpcom/moz.build new file mode 100644 index 000000000..5a24a5771 --- /dev/null +++ b/extensions/universalchardet/src/xpcom/moz.build @@ -0,0 +1,16 @@ +# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*- +# vim: set filetype=python: +# This Source Code Form is subject to the terms of the Mozilla Public +# License, v. 2.0. If a copy of the MPL was not distributed with this +# file, You can obtain one at http://mozilla.org/MPL/2.0/. + +UNIFIED_SOURCES += [ + 'nsUdetXPCOMWrapper.cpp', + 'nsUniversalCharDetModule.cpp', +] + +FINAL_LIBRARY = 'xul' + +LOCAL_INCLUDES += [ + '../base', +] diff --git a/extensions/universalchardet/src/xpcom/nsUdetXPCOMWrapper.cpp b/extensions/universalchardet/src/xpcom/nsUdetXPCOMWrapper.cpp new file mode 100644 index 000000000..750b1fd07 --- /dev/null +++ b/extensions/universalchardet/src/xpcom/nsUdetXPCOMWrapper.cpp @@ -0,0 +1,130 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "nscore.h" + +#include "nsUniversalDetector.h" +#include "nsUdetXPCOMWrapper.h" +#include "nsCharSetProber.h" // for DumpStatus + +#include "nsUniversalCharDetDll.h" +//---- for XPCOM +#include "nsIFactory.h" +#include "nsISupports.h" +#include "nsCOMPtr.h" + +//--------------------------------------------------------------------- +nsXPCOMDetector:: nsXPCOMDetector() + : nsUniversalDetector() +{ +} +//--------------------------------------------------------------------- +nsXPCOMDetector::~nsXPCOMDetector() +{ +} +//--------------------------------------------------------------------- + +NS_IMPL_ISUPPORTS(nsXPCOMDetector, nsICharsetDetector) + +//--------------------------------------------------------------------- +NS_IMETHODIMP nsXPCOMDetector::Init( + nsICharsetDetectionObserver* aObserver) +{ + NS_ASSERTION(mObserver == nullptr , "Init twice"); + if(nullptr == aObserver) + return NS_ERROR_ILLEGAL_VALUE; + + mObserver = aObserver; + return NS_OK; +} +//---------------------------------------------------------- +NS_IMETHODIMP nsXPCOMDetector::DoIt(const char* aBuf, + uint32_t aLen, bool* oDontFeedMe) +{ + NS_ASSERTION(mObserver != nullptr , "have not init yet"); + + if((nullptr == aBuf) || (nullptr == oDontFeedMe)) + return NS_ERROR_ILLEGAL_VALUE; + + this->Reset(); + nsresult rv = this->HandleData(aBuf, aLen); + if (NS_FAILED(rv)) + return rv; + + if (mDone) + { + if (mDetectedCharset) + Report(mDetectedCharset); + + *oDontFeedMe = true; + } + *oDontFeedMe = false; + return NS_OK; +} +//---------------------------------------------------------- +NS_IMETHODIMP nsXPCOMDetector::Done() +{ + NS_ASSERTION(mObserver != nullptr , "have not init yet"); +#ifdef DEBUG_chardet + for (int32_t i = 0; i < NUM_OF_CHARSET_PROBERS; i++) + { + // If no data was received the array might stay filled with nulls + // the way it was initialized in the constructor. + if (mCharSetProbers[i]) + mCharSetProbers[i]->DumpStatus(); + } +#endif + + this->DataEnd(); + return NS_OK; +} +//---------------------------------------------------------- +void nsXPCOMDetector::Report(const char* aCharset) +{ + NS_ASSERTION(mObserver != nullptr , "have not init yet"); +#ifdef DEBUG_chardet + printf("Universal Charset Detector report charset %s . \r\n", aCharset); +#endif + mObserver->Notify(aCharset, eBestAnswer); +} + + +//--------------------------------------------------------------------- +nsXPCOMStringDetector:: nsXPCOMStringDetector() + : nsUniversalDetector() +{ +} +//--------------------------------------------------------------------- +nsXPCOMStringDetector::~nsXPCOMStringDetector() +{ +} +//--------------------------------------------------------------------- +NS_IMPL_ISUPPORTS(nsXPCOMStringDetector, nsIStringCharsetDetector) +//--------------------------------------------------------------------- +void nsXPCOMStringDetector::Report(const char *aCharset) +{ + mResult = aCharset; +#ifdef DEBUG_chardet + printf("New Charset Prober report charset %s . \r\n", aCharset); +#endif +} +//--------------------------------------------------------------------- +NS_IMETHODIMP nsXPCOMStringDetector::DoIt(const char* aBuf, + uint32_t aLen, const char** oCharset, + nsDetectionConfident &oConf) +{ + mResult = nullptr; + this->Reset(); + nsresult rv = this->HandleData(aBuf, aLen); + if (NS_FAILED(rv)) + return rv; + this->DataEnd(); + if (mResult) + { + *oCharset=mResult; + oConf = eBestAnswer; + } + return NS_OK; +} diff --git a/extensions/universalchardet/src/xpcom/nsUdetXPCOMWrapper.h b/extensions/universalchardet/src/xpcom/nsUdetXPCOMWrapper.h new file mode 100644 index 000000000..11a0bd10a --- /dev/null +++ b/extensions/universalchardet/src/xpcom/nsUdetXPCOMWrapper.h @@ -0,0 +1,77 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef _nsUdetXPCOMWrapper_h__ +#define _nsUdetXPCOMWrapper_h__ +#include "nsISupports.h" +#include "nsICharsetDetector.h" +#include "nsIStringCharsetDetector.h" +#include "nsICharsetDetectionObserver.h" +#include "nsCOMPtr.h" + +#include "nsIFactory.h" + +// {12BB8F1B-2389-11d3-B3BF-00805F8A6670} +#define NS_JA_PSMDETECTOR_CID \ +{ 0x12bb8f1b, 0x2389, 0x11d3, { 0xb3, 0xbf, 0x0, 0x80, 0x5f, 0x8a, 0x66, 0x70 } } + +// {12BB8F1C-2389-11d3-B3BF-00805F8A6670} +#define NS_JA_STRING_PSMDETECTOR_CID \ +{ 0x12bb8f1c, 0x2389, 0x11d3, { 0xb3, 0xbf, 0x0, 0x80, 0x5f, 0x8a, 0x66, 0x70 } } + +//===================================================================== +class nsXPCOMDetector : + public nsUniversalDetector, + public nsICharsetDetector +{ + NS_DECL_ISUPPORTS + public: + nsXPCOMDetector(); + NS_IMETHOD Init(nsICharsetDetectionObserver* aObserver) override; + NS_IMETHOD DoIt(const char* aBuf, uint32_t aLen, bool *oDontFeedMe) override; + NS_IMETHOD Done() override; + protected: + virtual ~nsXPCOMDetector(); + virtual void Report(const char* aCharset) override; + private: + nsCOMPtr<nsICharsetDetectionObserver> mObserver; +}; + + +//===================================================================== +class nsXPCOMStringDetector : + public nsUniversalDetector, + public nsIStringCharsetDetector +{ + NS_DECL_ISUPPORTS + public: + nsXPCOMStringDetector(); + NS_IMETHOD DoIt(const char* aBuf, uint32_t aLen, + const char** oCharset, nsDetectionConfident &oConf) override; + protected: + virtual ~nsXPCOMStringDetector(); + virtual void Report(const char* aCharset) override; + private: + nsCOMPtr<nsICharsetDetectionObserver> mObserver; + const char* mResult; +}; + +//===================================================================== + +class nsJAPSMDetector : public nsXPCOMDetector +{ +public: + nsJAPSMDetector() + : nsXPCOMDetector() {} +}; + +class nsJAStringPSMDetector : public nsXPCOMStringDetector +{ +public: + nsJAStringPSMDetector() + : nsXPCOMStringDetector() {} +}; + +#endif //_nsUdetXPCOMWrapper_h__ diff --git a/extensions/universalchardet/src/xpcom/nsUniversalCharDetDll.h b/extensions/universalchardet/src/xpcom/nsUniversalCharDetDll.h new file mode 100644 index 000000000..404cb4518 --- /dev/null +++ b/extensions/universalchardet/src/xpcom/nsUniversalCharDetDll.h @@ -0,0 +1,11 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef nsCharDetDll_h__ +#define nsCharDetDll_h__ + +#include "prtypes.h" + +#endif /* nsCharDetDll_h__ */ diff --git a/extensions/universalchardet/src/xpcom/nsUniversalCharDetModule.cpp b/extensions/universalchardet/src/xpcom/nsUniversalCharDetModule.cpp new file mode 100644 index 000000000..38e2e60bd --- /dev/null +++ b/extensions/universalchardet/src/xpcom/nsUniversalCharDetModule.cpp @@ -0,0 +1,52 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "mozilla/ModuleUtils.h" + +#include "nsCOMPtr.h" + +#include "nspr.h" +#include "nsString.h" +#include "nsUniversalCharDetDll.h" +#include "nsISupports.h" +#include "nsICategoryManager.h" +#include "nsIComponentManager.h" +#include "nsIServiceManager.h" +#include "nsICharsetDetector.h" +#include "nsIStringCharsetDetector.h" + +#include "nsUniversalDetector.h" +#include "nsUdetXPCOMWrapper.h" + +NS_GENERIC_FACTORY_CONSTRUCTOR(nsJAPSMDetector) +NS_GENERIC_FACTORY_CONSTRUCTOR(nsJAStringPSMDetector) +NS_DEFINE_NAMED_CID(NS_JA_PSMDETECTOR_CID); +NS_DEFINE_NAMED_CID(NS_JA_STRING_PSMDETECTOR_CID); + +static const mozilla::Module::CIDEntry kChardetCIDs[] = { + { &kNS_JA_PSMDETECTOR_CID, false, nullptr, nsJAPSMDetectorConstructor }, + { &kNS_JA_STRING_PSMDETECTOR_CID, false, nullptr, nsJAStringPSMDetectorConstructor }, + { nullptr } +}; + +static const mozilla::Module::ContractIDEntry kChardetContracts[] = { + { NS_CHARSET_DETECTOR_CONTRACTID_BASE "ja_parallel_state_machine", &kNS_JA_PSMDETECTOR_CID }, + { NS_STRCDETECTOR_CONTRACTID_BASE "ja_parallel_state_machine", &kNS_JA_STRING_PSMDETECTOR_CID }, + { nullptr } +}; + +static const mozilla::Module::CategoryEntry kChardetCategories[] = { + { NS_CHARSET_DETECTOR_CATEGORY, "ja_parallel_state_machine", NS_CHARSET_DETECTOR_CONTRACTID_BASE "ja_parallel_state_machine" }, + { nullptr } +}; + +static const mozilla::Module kChardetModule = { + mozilla::Module::kVersion, + kChardetCIDs, + kChardetContracts, + kChardetCategories +}; + +NSMODULE_DEFN(nsUniversalCharDetModule) = &kChardetModule; |