mirror of
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311 lines
15 KiB
C++
311 lines
15 KiB
C++
/*
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This file is part of apfs-fuse, a read-only implementation of APFS
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(Apple File System) for FUSE.
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Copyright (C) 2017 Simon Gander
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Apfs-fuse is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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Apfs-fuse is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with apfs-fuse. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <unicode/utypes.h>
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#include <unicode/normalizer2.h>
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#include <iostream>
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#include <iomanip>
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#include <vector>
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#include "Util.h"
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#include "Crc32.h"
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static const uint16_t lowercase_table[0x500] =
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{
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// 0000
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0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, 0x0008, 0x0009, 0x000A, 0x000B, 0x000C, 0x000D, 0x000E, 0x000F,
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0x0010, 0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017, 0x0018, 0x0019, 0x001A, 0x001B, 0x001C, 0x001D, 0x001E, 0x001F,
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0x0020, 0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027, 0x0028, 0x0029, 0x002A, 0x002B, 0x002C, 0x002D, 0x002E, 0x002F,
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0x0030, 0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037, 0x0038, 0x0039, 0x003A, 0x003B, 0x003C, 0x003D, 0x003E, 0x003F,
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0x0040, 0x0061, 0x0062, 0x0063, 0x0064, 0x0065, 0x0066, 0x0067, 0x0068, 0x0069, 0x006A, 0x006B, 0x006C, 0x006D, 0x006E, 0x006F,
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0x0070, 0x0071, 0x0072, 0x0073, 0x0074, 0x0075, 0x0076, 0x0077, 0x0078, 0x0079, 0x007A, 0x005B, 0x005C, 0x005D, 0x005E, 0x005F,
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0x0060, 0x0061, 0x0062, 0x0063, 0x0064, 0x0065, 0x0066, 0x0067, 0x0068, 0x0069, 0x006A, 0x006B, 0x006C, 0x006D, 0x006E, 0x006F,
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0x0070, 0x0071, 0x0072, 0x0073, 0x0074, 0x0075, 0x0076, 0x0077, 0x0078, 0x0079, 0x007A, 0x007B, 0x007C, 0x007D, 0x007E, 0x007F,
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// 0080
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0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087, 0x0088, 0x0089, 0x008A, 0x008B, 0x008C, 0x008D, 0x008E, 0x008F,
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0x0090, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096, 0x0097, 0x0098, 0x0099, 0x009A, 0x009B, 0x009C, 0x009D, 0x009E, 0x009F,
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0x00A0, 0x00A1, 0x00A2, 0x00A3, 0x00A4, 0x00A5, 0x00A6, 0x00A7, 0x00A8, 0x00A9, 0x00AA, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x00AF,
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0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x03BC, 0x00B6, 0x00B7, 0x00B8, 0x00B9, 0x00BA, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x00BF,
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0x00E0, 0x00E1, 0x00E2, 0x00E3, 0x00E4, 0x00E5, 0x00E6, 0x00E7, 0x00E8, 0x00E9, 0x00EA, 0x00EB, 0x00EC, 0x00ED, 0x00EE, 0x00EF,
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0x00F0, 0x00F1, 0x00F2, 0x00F3, 0x00F4, 0x00F5, 0x00F6, 0x00D7, 0x00F8, 0x00F9, 0x00FA, 0x00FB, 0x00FC, 0x00FD, 0x00FE, 0x00DF,
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0x00E0, 0x00E1, 0x00E2, 0x00E3, 0x00E4, 0x00E5, 0x00E6, 0x00E7, 0x00E8, 0x00E9, 0x00EA, 0x00EB, 0x00EC, 0x00ED, 0x00EE, 0x00EF,
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0x00F0, 0x00F1, 0x00F2, 0x00F3, 0x00F4, 0x00F5, 0x00F6, 0x00F7, 0x00F8, 0x00F9, 0x00FA, 0x00FB, 0x00FC, 0x00FD, 0x00FE, 0x00FF,
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// 0100
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0x0101, 0x0101, 0x0103, 0x0103, 0x0105, 0x0105, 0x0107, 0x0107, 0x0109, 0x0109, 0x010B, 0x010B, 0x010D, 0x010D, 0x010F, 0x010F,
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0x0111, 0x0111, 0x0113, 0x0113, 0x0115, 0x0115, 0x0117, 0x0117, 0x0119, 0x0119, 0x011B, 0x011B, 0x011D, 0x011D, 0x011F, 0x011F,
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0x0121, 0x0121, 0x0123, 0x0123, 0x0125, 0x0125, 0x0127, 0x0127, 0x0129, 0x0129, 0x012B, 0x012B, 0x012D, 0x012D, 0x012F, 0x012F,
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0x0130, 0x0131, 0x0133, 0x0133, 0x0135, 0x0135, 0x0137, 0x0137, 0x0138, 0x013A, 0x013A, 0x013C, 0x013C, 0x013E, 0x013E, 0x0140,
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0x0140, 0x0142, 0x0142, 0x0144, 0x0144, 0x0146, 0x0146, 0x0148, 0x0148, 0x0149, 0x014B, 0x014B, 0x014D, 0x014D, 0x014F, 0x014F,
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0x0151, 0x0151, 0x0153, 0x0153, 0x0155, 0x0155, 0x0157, 0x0157, 0x0159, 0x0159, 0x015B, 0x015B, 0x015D, 0x015D, 0x015F, 0x015F,
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0x0161, 0x0161, 0x0163, 0x0163, 0x0165, 0x0165, 0x0167, 0x0167, 0x0169, 0x0169, 0x016B, 0x016B, 0x016D, 0x016D, 0x016F, 0x016F,
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0x0171, 0x0171, 0x0173, 0x0173, 0x0175, 0x0175, 0x0177, 0x0177, 0x00FF, 0x017A, 0x017A, 0x017C, 0x017C, 0x017E, 0x017E, 0x0073,
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// 0180
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0x0180, 0x0253, 0x0183, 0x0183, 0x0185, 0x0185, 0x0254, 0x0188, 0x0188, 0x0256, 0x0257, 0x018C, 0x018C, 0x018D, 0x01DD, 0x0259,
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0x025B, 0x0192, 0x0192, 0x0260, 0x0263, 0x0195, 0x0269, 0x0268, 0x0199, 0x0199, 0x019A, 0x019B, 0x026F, 0x0272, 0x019E, 0x0275,
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0x01A1, 0x01A1, 0x01A3, 0x01A3, 0x01A5, 0x01A5, 0x0280, 0x01A8, 0x01A8, 0x0283, 0x01AA, 0x01AB, 0x01AD, 0x01AD, 0x0288, 0x01B0,
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0x01B0, 0x028A, 0x028B, 0x01B4, 0x01B4, 0x01B6, 0x01B6, 0x0292, 0x01B9, 0x01B9, 0x01BA, 0x01BB, 0x01BD, 0x01BD, 0x01BE, 0x01BF,
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0x01C0, 0x01C1, 0x01C2, 0x01C3, 0x01C6, 0x01C6, 0x01C6, 0x01C9, 0x01C9, 0x01C9, 0x01CC, 0x01CC, 0x01CC, 0x01CE, 0x01CE, 0x01D0,
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0x01D0, 0x01D2, 0x01D2, 0x01D4, 0x01D4, 0x01D6, 0x01D6, 0x01D8, 0x01D8, 0x01DA, 0x01DA, 0x01DC, 0x01DC, 0x01DD, 0x01DF, 0x01DF,
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0x01E1, 0x01E1, 0x01E3, 0x01E3, 0x01E5, 0x01E5, 0x01E7, 0x01E7, 0x01E9, 0x01E9, 0x01EB, 0x01EB, 0x01ED, 0x01ED, 0x01EF, 0x01EF,
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0x01F0, 0x01F3, 0x01F3, 0x01F3, 0x01F5, 0x01F5, 0x0195, 0x01BF, 0x01F9, 0x01F9, 0x01FB, 0x01FB, 0x01FD, 0x01FD, 0x01FF, 0x01FF,
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// 0200
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0x0201, 0x0201, 0x0203, 0x0203, 0x0205, 0x0205, 0x0207, 0x0207, 0x0209, 0x0209, 0x020B, 0x020B, 0x020D, 0x020D, 0x020F, 0x020F,
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0x0211, 0x0211, 0x0213, 0x0213, 0x0215, 0x0215, 0x0217, 0x0217, 0x0219, 0x0219, 0x021B, 0x021B, 0x021D, 0x021D, 0x021F, 0x021F,
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0x019E, 0x0221, 0x0223, 0x0223, 0x0225, 0x0225, 0x0227, 0x0227, 0x0229, 0x0229, 0x022B, 0x022B, 0x022D, 0x022D, 0x022F, 0x022F,
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0x0231, 0x0231, 0x0233, 0x0233, 0x0234, 0x0235, 0x0236, 0x0237, 0x0238, 0x0239, 0x2C65, 0x023C, 0x023C, 0x019A, 0x2C66, 0x023F,
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0x0240, 0x0242, 0x0242, 0x0180, 0x0289, 0x028C, 0x0247, 0x0247, 0x0249, 0x0249, 0x024B, 0x024B, 0x024D, 0x024D, 0x024F, 0x024F,
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0x0250, 0x0251, 0x0252, 0x0253, 0x0254, 0x0255, 0x0256, 0x0257, 0x0258, 0x0259, 0x025A, 0x025B, 0x025C, 0x025D, 0x025E, 0x025F,
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0x0260, 0x0261, 0x0262, 0x0263, 0x0264, 0x0265, 0x0266, 0x0267, 0x0268, 0x0269, 0x026A, 0x026B, 0x026C, 0x026D, 0x026E, 0x026F,
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0x0270, 0x0271, 0x0272, 0x0273, 0x0274, 0x0275, 0x0276, 0x0277, 0x0278, 0x0279, 0x027A, 0x027B, 0x027C, 0x027D, 0x027E, 0x027F,
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// 0280
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0x0280, 0x0281, 0x0282, 0x0283, 0x0284, 0x0285, 0x0286, 0x0287, 0x0288, 0x0289, 0x028A, 0x028B, 0x028C, 0x028D, 0x028E, 0x028F,
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0x0290, 0x0291, 0x0292, 0x0293, 0x0294, 0x0295, 0x0296, 0x0297, 0x0298, 0x0299, 0x029A, 0x029B, 0x029C, 0x029D, 0x029E, 0x029F,
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0x02A0, 0x02A1, 0x02A2, 0x02A3, 0x02A4, 0x02A5, 0x02A6, 0x02A7, 0x02A8, 0x02A9, 0x02AA, 0x02AB, 0x02AC, 0x02AD, 0x02AE, 0x02AF,
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0x02B0, 0x02B1, 0x02B2, 0x02B3, 0x02B4, 0x02B5, 0x02B6, 0x02B7, 0x02B8, 0x02B9, 0x02BA, 0x02BB, 0x02BC, 0x02BD, 0x02BE, 0x02BF,
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0x02C0, 0x02C1, 0x02C2, 0x02C3, 0x02C4, 0x02C5, 0x02C6, 0x02C7, 0x02C8, 0x02C9, 0x02CA, 0x02CB, 0x02CC, 0x02CD, 0x02CE, 0x02CF,
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0x02D0, 0x02D1, 0x02D2, 0x02D3, 0x02D4, 0x02D5, 0x02D6, 0x02D7, 0x02D8, 0x02D9, 0x02DA, 0x02DB, 0x02DC, 0x02DD, 0x02DE, 0x02DF,
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0x02E0, 0x02E1, 0x02E2, 0x02E3, 0x02E4, 0x02E5, 0x02E6, 0x02E7, 0x02E8, 0x02E9, 0x02EA, 0x02EB, 0x02EC, 0x02ED, 0x02EE, 0x02EF,
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0x02F0, 0x02F1, 0x02F2, 0x02F3, 0x02F4, 0x02F5, 0x02F6, 0x02F7, 0x02F8, 0x02F9, 0x02FA, 0x02FB, 0x02FC, 0x02FD, 0x02FE, 0x02FF,
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// 0300
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0x0300, 0x0301, 0x0302, 0x0303, 0x0304, 0x0305, 0x0306, 0x0307, 0x0308, 0x0309, 0x030A, 0x030B, 0x030C, 0x030D, 0x030E, 0x030F,
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0x0310, 0x0311, 0x0312, 0x0313, 0x0314, 0x0315, 0x0316, 0x0317, 0x0318, 0x0319, 0x031A, 0x031B, 0x031C, 0x031D, 0x031E, 0x031F,
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0x0320, 0x0321, 0x0322, 0x0323, 0x0324, 0x0325, 0x0326, 0x0327, 0x0328, 0x0329, 0x032A, 0x032B, 0x032C, 0x032D, 0x032E, 0x032F,
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0x0330, 0x0331, 0x0332, 0x0333, 0x0334, 0x0335, 0x0336, 0x0337, 0x0338, 0x0339, 0x033A, 0x033B, 0x033C, 0x033D, 0x033E, 0x033F,
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0x0340, 0x0341, 0x0342, 0x0343, 0x0344, 0x03B9, 0x0346, 0x0347, 0x0348, 0x0349, 0x034A, 0x034B, 0x034C, 0x034D, 0x034E, 0x034F,
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0x0350, 0x0351, 0x0352, 0x0353, 0x0354, 0x0355, 0x0356, 0x0357, 0x0358, 0x0359, 0x035A, 0x035B, 0x035C, 0x035D, 0x035E, 0x035F,
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0x0360, 0x0361, 0x0362, 0x0363, 0x0364, 0x0365, 0x0366, 0x0367, 0x0368, 0x0369, 0x036A, 0x036B, 0x036C, 0x036D, 0x036E, 0x036F,
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0x0371, 0x0371, 0x0373, 0x0373, 0x0374, 0x0375, 0x0377, 0x0377, 0x0378, 0x0379, 0x037A, 0x037B, 0x037C, 0x037D, 0x037E, 0x03F3,
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// 0380
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0x0380, 0x0381, 0x0382, 0x0383, 0x0384, 0x0385, 0x03AC, 0x0387, 0x03AD, 0x03AE, 0x03AF, 0x038B, 0x03CC, 0x038D, 0x03CD, 0x03CE,
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0x0390, 0x03B1, 0x03B2, 0x03B3, 0x03B4, 0x03B5, 0x03B6, 0x03B7, 0x03B8, 0x03B9, 0x03BA, 0x03BB, 0x03BC, 0x03BD, 0x03BE, 0x03BF,
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0x03C0, 0x03C1, 0x03A2, 0x03C3, 0x03C4, 0x03C5, 0x03C6, 0x03C7, 0x03C8, 0x03C9, 0x03CA, 0x03CB, 0x03AC, 0x03AD, 0x03AE, 0x03AF,
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0x03B0, 0x03B1, 0x03B2, 0x03B3, 0x03B4, 0x03B5, 0x03B6, 0x03B7, 0x03B8, 0x03B9, 0x03BA, 0x03BB, 0x03BC, 0x03BD, 0x03BE, 0x03BF,
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0x03C0, 0x03C1, 0x03C3, 0x03C3, 0x03C4, 0x03C5, 0x03C6, 0x03C7, 0x03C8, 0x03C9, 0x03CA, 0x03CB, 0x03CC, 0x03CD, 0x03CE, 0x03D7,
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0x03B2, 0x03B8, 0x03D2, 0x03D3, 0x03D4, 0x03C6, 0x03C0, 0x03D7, 0x03D9, 0x03D9, 0x03DB, 0x03DB, 0x03DD, 0x03DD, 0x03DF, 0x03DF,
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0x03E1, 0x03E1, 0x03E3, 0x03E3, 0x03E5, 0x03E5, 0x03E7, 0x03E7, 0x03E9, 0x03E9, 0x03EB, 0x03EB, 0x03ED, 0x03ED, 0x03EF, 0x03EF,
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0x03BA, 0x03C1, 0x03F2, 0x03F3, 0x03B8, 0x03B5, 0x03F6, 0x03F8, 0x03F8, 0x03F2, 0x03FB, 0x03FB, 0x03FC, 0x037B, 0x037C, 0x037D,
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// 0400
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0x0450, 0x0451, 0x0452, 0x0453, 0x0454, 0x0455, 0x0456, 0x0457, 0x0458, 0x0459, 0x045A, 0x045B, 0x045C, 0x045D, 0x045E, 0x045F,
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0x0430, 0x0431, 0x0432, 0x0433, 0x0434, 0x0435, 0x0436, 0x0437, 0x0438, 0x0439, 0x043A, 0x043B, 0x043C, 0x043D, 0x043E, 0x043F,
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0x0440, 0x0441, 0x0442, 0x0443, 0x0444, 0x0445, 0x0446, 0x0447, 0x0448, 0x0449, 0x044A, 0x044B, 0x044C, 0x044D, 0x044E, 0x044F,
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0x0430, 0x0431, 0x0432, 0x0433, 0x0434, 0x0435, 0x0436, 0x0437, 0x0438, 0x0439, 0x043A, 0x043B, 0x043C, 0x043D, 0x043E, 0x043F,
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0x0440, 0x0441, 0x0442, 0x0443, 0x0444, 0x0445, 0x0446, 0x0447, 0x0448, 0x0449, 0x044A, 0x044B, 0x044C, 0x044D, 0x044E, 0x044F,
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0x0450, 0x0451, 0x0452, 0x0453, 0x0454, 0x0455, 0x0456, 0x0457, 0x0458, 0x0459, 0x045A, 0x045B, 0x045C, 0x045D, 0x045E, 0x045F,
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0x0461, 0x0461, 0x0463, 0x0463, 0x0465, 0x0465, 0x0467, 0x0467, 0x0469, 0x0469, 0x046B, 0x046B, 0x046D, 0x046D, 0x046F, 0x046F,
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0x0471, 0x0471, 0x0473, 0x0473, 0x0475, 0x0475, 0x0477, 0x0477, 0x0479, 0x0479, 0x047B, 0x047B, 0x047D, 0x047D, 0x047F, 0x047F,
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// 0480
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0x0481, 0x0481, 0x0482, 0x0483, 0x0484, 0x0485, 0x0486, 0x0487, 0x0488, 0x0489, 0x048B, 0x048B, 0x048D, 0x048D, 0x048F, 0x048F,
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0x0491, 0x0491, 0x0493, 0x0493, 0x0495, 0x0495, 0x0497, 0x0497, 0x0499, 0x0499, 0x049B, 0x049B, 0x049D, 0x049D, 0x049F, 0x049F,
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0x04A1, 0x04A1, 0x04A3, 0x04A3, 0x04A5, 0x04A5, 0x04A7, 0x04A7, 0x04A9, 0x04A9, 0x04AB, 0x04AB, 0x04AD, 0x04AD, 0x04AF, 0x04AF,
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0x04B1, 0x04B1, 0x04B3, 0x04B3, 0x04B5, 0x04B5, 0x04B7, 0x04B7, 0x04B9, 0x04B9, 0x04BB, 0x04BB, 0x04BD, 0x04BD, 0x04BF, 0x04BF,
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0x04CF, 0x04C2, 0x04C2, 0x04C4, 0x04C4, 0x04C6, 0x04C6, 0x04C8, 0x04C8, 0x04CA, 0x04CA, 0x04CC, 0x04CC, 0x04CE, 0x04CE, 0x04CF,
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0x04D1, 0x04D1, 0x04D3, 0x04D3, 0x04D5, 0x04D5, 0x04D7, 0x04D7, 0x04D9, 0x04D9, 0x04DB, 0x04DB, 0x04DD, 0x04DD, 0x04DF, 0x04DF,
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0x04E1, 0x04E1, 0x04E3, 0x04E3, 0x04E5, 0x04E5, 0x04E7, 0x04E7, 0x04E9, 0x04E9, 0x04EB, 0x04EB, 0x04ED, 0x04ED, 0x04EF, 0x04EF,
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0x04F1, 0x04F1, 0x04F3, 0x04F3, 0x04F5, 0x04F5, 0x04F7, 0x04F7, 0x04F9, 0x04F9, 0x04FB, 0x04FB, 0x04FD, 0x04FD, 0x04FF, 0x04FF
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};
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static Crc32 g_crc(true, 0x1EDC6F41);
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uint64_t Fletcher64(const uint32_t *data, size_t cnt, uint64_t init)
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{
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size_t k;
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uint64_t sum1 = init & 0xFFFFFFFFU;
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uint64_t sum2 = (init >> 32);
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for (k = 0; k < cnt; k++)
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{
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sum1 = (sum1 + data[k]);
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sum2 = (sum2 + sum1);
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}
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sum1 = sum1 % 0xFFFFFFFF;
|
|
sum2 = sum2 % 0xFFFFFFFF;
|
|
|
|
return (static_cast<uint64_t>(sum2) << 32) | static_cast<uint64_t>(sum1);
|
|
}
|
|
|
|
bool VerifyBlock(const void *block, size_t size)
|
|
{
|
|
uint64_t cs;
|
|
const uint32_t * const data = reinterpret_cast<const uint32_t *>(block);
|
|
|
|
size /= sizeof(uint32_t);
|
|
|
|
cs = *reinterpret_cast<const uint64_t *>(block);
|
|
if (cs == 0)
|
|
return false;
|
|
if (cs == 0xFFFFFFFFFFFFFFFFULL)
|
|
return false;
|
|
|
|
cs = Fletcher64(data + 2, size - 2, 0);
|
|
cs = Fletcher64(data, 2, cs);
|
|
|
|
return cs == 0;
|
|
}
|
|
|
|
bool IsZero(const byte_t *data, size_t size)
|
|
{
|
|
for (size_t k = 0; k < size; k++)
|
|
{
|
|
if (data[k] != 0)
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool IsEmptyBlock(const void *data, size_t blksize)
|
|
{
|
|
blksize /= sizeof(uint64_t);
|
|
const uint64_t *qdata = reinterpret_cast<const uint64_t *>(data);
|
|
|
|
for (size_t k = 0; k < blksize; k++)
|
|
{
|
|
if (qdata[k] != 0)
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void DumpHex(std::ostream &os, const byte_t *data, size_t size, size_t lineSize)
|
|
{
|
|
using namespace std;
|
|
|
|
size_t i, j;
|
|
byte_t b;
|
|
|
|
if (size == 0)
|
|
return;
|
|
|
|
os << hex << uppercase << setfill('0');
|
|
|
|
for (i = 0; i < size; i += lineSize)
|
|
{
|
|
os << setw(4) << i << ": ";
|
|
for (j = 0; (j < lineSize) && ((i + j) < size); j++)
|
|
os << setw(2) << static_cast<unsigned int>(data[i + j]) << ' ';
|
|
for (; j < lineSize; j++)
|
|
os << " ";
|
|
|
|
os << "- ";
|
|
|
|
for (j = 0; (j < lineSize) && ((i + j) < size); j++)
|
|
{
|
|
b = data[i + j];
|
|
if (b >= 0x20 && b < 0x7F)
|
|
os << b;
|
|
else
|
|
os << '.';
|
|
}
|
|
|
|
os << endl;
|
|
}
|
|
|
|
// os << dec;
|
|
}
|
|
|
|
#undef DEBUG_OUT
|
|
|
|
uint32_t HashFilename(const char *utf8str, uint16_t name_len, bool case_insensitive)
|
|
{
|
|
icu::StringPiece utf8(utf8str);
|
|
icu::UnicodeString str = icu::UnicodeString::fromUTF8(utf8);
|
|
icu::UnicodeString normalized;
|
|
UErrorCode err = U_ZERO_ERROR;
|
|
std::vector<UChar32> hashdata;
|
|
int n;
|
|
uint32_t hash;
|
|
|
|
const icu::Normalizer2 *norm = icu::Normalizer2::getNFDInstance(err);
|
|
|
|
#ifdef DEBUG_OUT
|
|
if (U_FAILURE(err))
|
|
{
|
|
std::cerr << "getNFDInstance failed." << std::endl;
|
|
return 0;
|
|
}
|
|
else
|
|
{
|
|
std::cerr << "norm = " << norm << ", err = " << err << std::endl;
|
|
}
|
|
#endif
|
|
|
|
normalized = norm->normalize(str, err);
|
|
|
|
#ifdef DEBUG_OUT
|
|
if (U_FAILURE(err))
|
|
{
|
|
std::cerr << "Normalization failed." << std::endl;
|
|
return 0;
|
|
}
|
|
else
|
|
{
|
|
std::cerr << "Normalization ok, err = " << err << std::endl;
|
|
}
|
|
#endif
|
|
|
|
hashdata.resize(normalized.countChar32() + 1);
|
|
n = normalized.toUTF32(hashdata.data(), hashdata.size(), err);
|
|
|
|
#ifdef DEBUG_OUT
|
|
if (U_FAILURE(err))
|
|
{
|
|
std::cerr << "Conversion to UTF32 failed." << std::endl;
|
|
return 0;
|
|
}
|
|
else
|
|
{
|
|
std::cerr << "Conversion to UTF32 ok, err = " << err << std::endl;
|
|
}
|
|
#endif
|
|
|
|
if (case_insensitive)
|
|
{
|
|
for (size_t k = 0; k < hashdata.size(); k++)
|
|
{
|
|
if (hashdata[k] < 0x500)
|
|
hashdata[k] = lowercase_table[hashdata[k]];
|
|
}
|
|
}
|
|
|
|
#ifdef DEBUG_OUT
|
|
for (size_t k = 0; k < hashdata.size(); k++)
|
|
{
|
|
if (hashdata[k] > 0x100)
|
|
std::cerr << '?';
|
|
else
|
|
std::cerr << (char)hashdata[k];
|
|
}
|
|
std::cerr << std::endl;
|
|
#endif
|
|
|
|
hashdata.pop_back();
|
|
|
|
|
|
g_crc.SetCRC(0xFFFFFFFF);
|
|
g_crc.Calc(reinterpret_cast<const byte_t *>(hashdata.data()), hashdata.size() * sizeof(UChar32));
|
|
hash = g_crc.GetCRC();
|
|
|
|
hash = ((hash & 0x3FFFFF) << 10) | (name_len & 0x3FF);
|
|
|
|
return hash;
|
|
}
|