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CaseInsensitive.cpp
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529 lines (511 loc) · 35.6 KB
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//-------------------------------------------------------------------------------------------------------
// Copyright (C) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE.txt file in the project root for full license information.
//-------------------------------------------------------------------------------------------------------
//
// Map Unicode characters to their equivalence classes induced by the modified ToUpper map.
// i.e.: c1 and c2 are in the same class if ToUpper(c1) == ToUpper(c2).
//
// The ToUpper map takes any character to its Unicode upper case equivalent, with the modification that
// a non-7-bit-ASCII character cannot be mapped to 7-bit-ASCII characters.
//
#include "ParserPch.h"
namespace UnifiedRegex
{
namespace CaseInsensitive
{
struct Transform
{
// This skipCount is to help define the range. Ex, given range [0 - 20]
// If skip count is 1, then all items between 0 and 20 are in the range.
// If skip count is 2, then every even item is in the range, so 0, 2, 4, 6, 8, etc.
byte skipCountOfRange;
MappingSource source;
// Range of chars this transform applies to
Chars<codepoint_t>::UChar lo;
Chars<codepoint_t>::UChar hi;
// Offsets to add to original character to get each equivalent character
int delta0;
int delta1;
int delta2;
int delta3;
template <typename Char>
inline void Apply(uint c, Char outEquiv[EquivClassSize]) const
{
Assert(c >= lo && c <= hi);
outEquiv[0] = Chars<Char>::UTC((lo + 1) % skipCountOfRange == c % skipCountOfRange ? (int)c + delta0 : c);
CompileAssert(CaseInsensitive::EquivClassSize == 4);
if (lo % skipCountOfRange == c % skipCountOfRange)
{
outEquiv[1] = Chars<Char>::ITC((int)c + delta1);
outEquiv[2] = Chars<Char>::ITC((int)c + delta2);
outEquiv[3] = Chars<Char>::ITC((int)c + delta3);
}
else
{
outEquiv[1] = outEquiv[2] = outEquiv[3] = Chars<Char>::UTC(c);
}
}
};
// For case-folding entries, version 8.0.0 of CaseFolding.txt located at [1] was used.
// [1] http://www.unicode.org/Public/8.0.0/ucd/CaseFolding.txt
static constexpr Transform transforms[] =
{
{ 1, MappingSource::UnicodeData, 0x0041, 0x004a, 0, 32, 32, 32 },
{ 1, MappingSource::CaseFolding, 0x004b, 0x004b, 0, 32, 8415, 8415 },
{ 1, MappingSource::UnicodeData, 0x004b, 0x0052, 0, 32, 32, 32 },
{ 1, MappingSource::CaseFolding, 0x0053, 0x0053, 0, 32, 300, 300 },
{ 1, MappingSource::UnicodeData, 0x0053, 0x005a, 0, 32, 32, 32 },
{ 1, MappingSource::UnicodeData, 0x0061, 0x006a, -32, 0, 0, 0 },
{ 1, MappingSource::CaseFolding, 0x006b, 0x006b, -32, 0, 8383, 8383 },
{ 1, MappingSource::UnicodeData, 0x006b, 0x0072, -32, 0, 0, 0 },
{ 1, MappingSource::CaseFolding, 0x0073, 0x0073, -32, 0, 268, 268 },
{ 1, MappingSource::UnicodeData, 0x0073, 0x007a, -32, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x00b5, 0x00b5, 0, 743, 775, 775 },
{ 1, MappingSource::UnicodeData, 0x00c0, 0x00c4, 0, 32, 32, 32 },
{ 1, MappingSource::CaseFolding, 0x00c5, 0x00c5, 0, 32, 8294, 8294 },
{ 1, MappingSource::UnicodeData, 0x00c5, 0x00d6, 0, 32, 32, 32 },
{ 1, MappingSource::UnicodeData, 0x00d8, 0x00de, 0, 32, 32, 32 },
{ 1, MappingSource::CaseFolding, 0x00df, 0x00df, 0, 7615, 7615, 7615 },
{ 1, MappingSource::UnicodeData, 0x00e0, 0x00e4, -32, 0, 0, 0 },
{ 1, MappingSource::CaseFolding, 0x00e5, 0x00e5, -32, 0, 8262, 8262 },
{ 1, MappingSource::UnicodeData, 0x00e5, 0x00f6, -32, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x00f8, 0x00fe, -32, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x00ff, 0x00ff, 0, 121, 121, 121 },
{ 2, MappingSource::UnicodeData, 0x0100, 0x012f, -1, 1, 1, 1 },
{ 2, MappingSource::UnicodeData, 0x0132, 0x0137, -1, 1, 1, 1 },
{ 2, MappingSource::UnicodeData, 0x0139, 0x0148, -1, 1, 1, 1 },
{ 2, MappingSource::UnicodeData, 0x014a, 0x0177, -1, 1, 1, 1 },
{ 1, MappingSource::UnicodeData, 0x0178, 0x0178, -121, 0, 0, 0 },
{ 2, MappingSource::UnicodeData, 0x0179, 0x017e, -1, 1, 1, 1 },
{ 1, MappingSource::CaseFolding, 0x017f, 0x017f, -300, -268, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x0180, 0x0180, 0, 195, 195, 195 },
{ 1, MappingSource::UnicodeData, 0x0181, 0x0181, 0, 210, 210, 210 },
{ 2, MappingSource::UnicodeData, 0x0182, 0x0185, -1, 1, 1, 1 },
{ 1, MappingSource::UnicodeData, 0x0186, 0x0186, 0, 206, 206, 206 },
{ 1, MappingSource::UnicodeData, 0x0187, 0x0187, 0, 1, 1, 1 },
{ 1, MappingSource::UnicodeData, 0x0188, 0x0188, -1, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x0189, 0x018a, 0, 205, 205, 205 },
{ 1, MappingSource::UnicodeData, 0x018b, 0x018b, 0, 1, 1, 1 },
{ 1, MappingSource::UnicodeData, 0x018c, 0x018c, -1, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x018e, 0x018e, 0, 79, 79, 79 },
{ 1, MappingSource::UnicodeData, 0x018f, 0x018f, 0, 202, 202, 202 },
{ 1, MappingSource::UnicodeData, 0x0190, 0x0190, 0, 203, 203, 203 },
{ 1, MappingSource::UnicodeData, 0x0191, 0x0191, 0, 1, 1, 1 },
{ 1, MappingSource::UnicodeData, 0x0192, 0x0192, -1, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x0193, 0x0193, 0, 205, 205, 205 },
{ 1, MappingSource::UnicodeData, 0x0194, 0x0194, 0, 207, 207, 207 },
{ 1, MappingSource::UnicodeData, 0x0195, 0x0195, 0, 97, 97, 97 },
{ 1, MappingSource::UnicodeData, 0x0196, 0x0196, 0, 211, 211, 211 },
{ 1, MappingSource::UnicodeData, 0x0197, 0x0197, 0, 209, 209, 209 },
{ 1, MappingSource::UnicodeData, 0x0198, 0x0198, 0, 1, 1, 1 },
{ 1, MappingSource::UnicodeData, 0x0199, 0x0199, -1, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x019a, 0x019a, 0, 163, 163, 163 },
{ 1, MappingSource::UnicodeData, 0x019c, 0x019c, 0, 211, 211, 211 },
{ 1, MappingSource::UnicodeData, 0x019d, 0x019d, 0, 213, 213, 213 },
{ 1, MappingSource::UnicodeData, 0x019e, 0x019e, 0, 130, 130, 130 },
{ 1, MappingSource::UnicodeData, 0x019f, 0x019f, 0, 214, 214, 214 },
{ 2, MappingSource::UnicodeData, 0x01a0, 0x01a5, -1, 1, 1, 1 },
{ 1, MappingSource::UnicodeData, 0x01a6, 0x01a6, 0, 218, 218, 218 },
{ 1, MappingSource::UnicodeData, 0x01a7, 0x01a7, 0, 1, 1, 1 },
{ 1, MappingSource::UnicodeData, 0x01a8, 0x01a8, -1, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x01a9, 0x01a9, 0, 218, 218, 218 },
{ 1, MappingSource::UnicodeData, 0x01ac, 0x01ac, 0, 1, 1, 1 },
{ 1, MappingSource::UnicodeData, 0x01ad, 0x01ad, -1, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x01ae, 0x01ae, 0, 218, 218, 218 },
{ 1, MappingSource::UnicodeData, 0x01af, 0x01af, 0, 1, 1, 1 },
{ 1, MappingSource::UnicodeData, 0x01b0, 0x01b0, -1, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x01b1, 0x01b2, 0, 217, 217, 217 },
{ 1, MappingSource::UnicodeData, 0x01b3, 0x01b3, 0, 1, 1, 1 },
{ 1, MappingSource::UnicodeData, 0x01b4, 0x01b4, -1, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x01b5, 0x01b5, 0, 1, 1, 1 },
{ 1, MappingSource::UnicodeData, 0x01b6, 0x01b6, -1, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x01b7, 0x01b7, 0, 219, 219, 219 },
{ 1, MappingSource::UnicodeData, 0x01b8, 0x01b8, 0, 1, 1, 1 },
{ 1, MappingSource::UnicodeData, 0x01b9, 0x01b9, -1, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x01bc, 0x01bc, 0, 1, 1, 1 },
{ 1, MappingSource::UnicodeData, 0x01bd, 0x01bd, -1, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x01bf, 0x01bf, 0, 56, 56, 56 },
{ 1, MappingSource::UnicodeData, 0x01c4, 0x01c4, 0, 1, 2, 2 },
{ 1, MappingSource::UnicodeData, 0x01c5, 0x01c5, -1, 0, 1, 1 },
{ 1, MappingSource::UnicodeData, 0x01c6, 0x01c6, -2, -1, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x01c7, 0x01c7, 0, 1, 2, 2 },
{ 1, MappingSource::UnicodeData, 0x01c8, 0x01c8, -1, 0, 1, 1 },
{ 1, MappingSource::UnicodeData, 0x01c9, 0x01c9, -2, -1, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x01ca, 0x01ca, 0, 1, 2, 2 },
{ 1, MappingSource::UnicodeData, 0x01cb, 0x01cb, -1, 0, 1, 1 },
{ 1, MappingSource::UnicodeData, 0x01cc, 0x01cc, -2, -1, 0, 0 },
{ 2, MappingSource::UnicodeData, 0x01cd, 0x01dc, -1, 1, 1, 1 },
{ 1, MappingSource::UnicodeData, 0x01dd, 0x01dd, -79, 0, 0, 0 },
{ 2, MappingSource::UnicodeData, 0x01de, 0x01ef, -1, 1, 1, 1 },
{ 1, MappingSource::UnicodeData, 0x01f1, 0x01f1, 0, 1, 2, 2 },
{ 1, MappingSource::UnicodeData, 0x01f2, 0x01f2, -1, 0, 1, 1 },
{ 1, MappingSource::UnicodeData, 0x01f3, 0x01f3, -2, -1, 0, 0 },
{ 2, MappingSource::UnicodeData, 0x01f4, 0x01f5, -1, 1, 1, 1 },
{ 1, MappingSource::UnicodeData, 0x01f6, 0x01f6, -97, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x01f7, 0x01f7, -56, 0, 0, 0 },
{ 2, MappingSource::UnicodeData, 0x01f8, 0x021f, -1, 1, 1, 1 },
{ 1, MappingSource::UnicodeData, 0x0220, 0x0220, -130, 0, 0, 0 },
{ 2, MappingSource::UnicodeData, 0x0222, 0x0233, -1, 1, 1, 1 },
{ 1, MappingSource::UnicodeData, 0x023a, 0x023a, 0, 10795, 10795, 10795 },
{ 1, MappingSource::UnicodeData, 0x023b, 0x023b, 0, 1, 1, 1 },
{ 1, MappingSource::UnicodeData, 0x023c, 0x023c, -1, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x023d, 0x023d, -163, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x023e, 0x023e, 0, 10792, 10792, 10792 },
{ 1, MappingSource::UnicodeData, 0x023f, 0x0240, 0, 10815, 10815, 10815 },
{ 1, MappingSource::UnicodeData, 0x0241, 0x0241, 0, 1, 1, 1 },
{ 1, MappingSource::UnicodeData, 0x0242, 0x0242, -1, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x0243, 0x0243, -195, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x0244, 0x0244, 0, 69, 69, 69 },
{ 1, MappingSource::UnicodeData, 0x0245, 0x0245, 0, 71, 71, 71 },
{ 2, MappingSource::UnicodeData, 0x0246, 0x024f, -1, 1, 1, 1 },
{ 1, MappingSource::UnicodeData, 0x0250, 0x0250, 0, 10783, 10783, 10783 },
{ 1, MappingSource::UnicodeData, 0x0251, 0x0251, 0, 10780, 10780, 10780 },
{ 1, MappingSource::UnicodeData, 0x0252, 0x0252, 0, 10782, 10782, 10782 },
{ 1, MappingSource::UnicodeData, 0x0253, 0x0253, -210, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x0254, 0x0254, -206, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x0256, 0x0257, -205, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x0259, 0x0259, -202, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x025b, 0x025b, -203, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x025c, 0x025c, 0, 42319, 42319, 42319 },
{ 1, MappingSource::UnicodeData, 0x0260, 0x0260, -205, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x0261, 0x0261, 0, 42315, 42315, 42315 },
{ 1, MappingSource::UnicodeData, 0x0263, 0x0263, -207, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x0265, 0x0265, 0, 42280, 42280, 42280 },
{ 1, MappingSource::UnicodeData, 0x0266, 0x0266, 0, 42308, 42308, 42308 },
{ 1, MappingSource::UnicodeData, 0x0268, 0x0268, -209, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x0269, 0x0269, -211, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x026b, 0x026b, 0, 10743, 10743, 10743 },
{ 1, MappingSource::UnicodeData, 0x026c, 0x026c, 0, 42305, 42305, 42305 },
{ 1, MappingSource::UnicodeData, 0x026f, 0x026f, -211, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x0271, 0x0271, 0, 10749, 10749, 10749 },
{ 1, MappingSource::UnicodeData, 0x0272, 0x0272, -213, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x0275, 0x0275, -214, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x027d, 0x027d, 0, 10727, 10727, 10727 },
{ 1, MappingSource::UnicodeData, 0x0280, 0x0280, -218, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x0283, 0x0283, -218, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x0287, 0x0287, 0, 42282, 42282, 42282 },
{ 1, MappingSource::UnicodeData, 0x0288, 0x0288, -218, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x0289, 0x0289, -69, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x028a, 0x028b, -217, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x028c, 0x028c, -71, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x0292, 0x0292, -219, 0, 0, 0 },
{ 1, MappingSource::CaseFolding, 0x029d, 0x029d, 0, 42261, 42261, 42261 },
{ 1, MappingSource::UnicodeData, 0x029e, 0x029e, 0, 42258, 42258, 42258 },
{ 1, MappingSource::UnicodeData, 0x0345, 0x0345, 0, 84, 116, 7289 },
{ 2, MappingSource::UnicodeData, 0x0370, 0x0373, -1, 1, 1, 1 },
{ 1, MappingSource::UnicodeData, 0x0376, 0x0376, 0, 1, 1, 1 },
{ 1, MappingSource::UnicodeData, 0x0377, 0x0377, -1, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x037b, 0x037d, 0, 130, 130, 130 },
{ 1, MappingSource::UnicodeData, 0x037f, 0x037f, 0, 116, 116, 116 },
{ 1, MappingSource::UnicodeData, 0x0386, 0x0386, 0, 38, 38, 38 },
{ 1, MappingSource::UnicodeData, 0x0388, 0x038a, 0, 37, 37, 37 },
{ 1, MappingSource::UnicodeData, 0x038c, 0x038c, 0, 64, 64, 64 },
{ 1, MappingSource::UnicodeData, 0x038e, 0x038f, 0, 63, 63, 63 },
{ 1, MappingSource::UnicodeData, 0x0391, 0x0391, 0, 32, 32, 32 },
{ 1, MappingSource::UnicodeData, 0x0392, 0x0392, 0, 32, 62, 62 },
{ 1, MappingSource::UnicodeData, 0x0393, 0x0394, 0, 32, 32, 32 },
{ 1, MappingSource::UnicodeData, 0x0395, 0x0395, 0, 32, 96, 96 },
{ 1, MappingSource::UnicodeData, 0x0396, 0x0397, 0, 32, 32, 32 },
{ 1, MappingSource::CaseFolding, 0x0398, 0x0398, 0, 32, 57, 92 },
{ 1, MappingSource::UnicodeData, 0x0398, 0x0398, 0, 32, 57, 57 },
{ 1, MappingSource::UnicodeData, 0x0399, 0x0399, -84, 0, 32, 7205 },
{ 1, MappingSource::UnicodeData, 0x039a, 0x039a, 0, 32, 86, 86 },
{ 1, MappingSource::UnicodeData, 0x039b, 0x039b, 0, 32, 32, 32 },
{ 1, MappingSource::UnicodeData, 0x039c, 0x039c, -743, 0, 32, 32 },
{ 1, MappingSource::UnicodeData, 0x039d, 0x039f, 0, 32, 32, 32 },
{ 1, MappingSource::UnicodeData, 0x03a0, 0x03a0, 0, 32, 54, 54 },
{ 1, MappingSource::UnicodeData, 0x03a1, 0x03a1, 0, 32, 80, 80 },
{ 1, MappingSource::UnicodeData, 0x03a3, 0x03a3, 0, 31, 32, 32 },
{ 1, MappingSource::UnicodeData, 0x03a4, 0x03a5, 0, 32, 32, 32 },
{ 1, MappingSource::UnicodeData, 0x03a6, 0x03a6, 0, 32, 47, 47 },
{ 1, MappingSource::UnicodeData, 0x03a7, 0x03a8, 0, 32, 32, 32 },
{ 1, MappingSource::CaseFolding, 0x03a9, 0x03a9, 0, 32, 7549, 7549 },
{ 1, MappingSource::UnicodeData, 0x03a9, 0x03ab, 0, 32, 32, 32 },
{ 1, MappingSource::UnicodeData, 0x03ac, 0x03ac, -38, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x03ad, 0x03af, -37, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x03b1, 0x03b1, -32, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x03b2, 0x03b2, -32, 0, 30, 30 },
{ 1, MappingSource::UnicodeData, 0x03b3, 0x03b4, -32, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x03b5, 0x03b5, -32, 0, 64, 64 },
{ 1, MappingSource::UnicodeData, 0x03b6, 0x03b7, -32, 0, 0, 0 },
{ 1, MappingSource::CaseFolding, 0x03b8, 0x03b8, -32, 0, 25, 60 },
{ 1, MappingSource::UnicodeData, 0x03b8, 0x03b8, -32, 0, 25, 25 },
{ 1, MappingSource::UnicodeData, 0x03b9, 0x03b9, -116, -32, 0, 7173 },
{ 1, MappingSource::UnicodeData, 0x03ba, 0x03ba, -32, 0, 54, 54 },
{ 1, MappingSource::UnicodeData, 0x03bb, 0x03bb, -32, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x03bc, 0x03bc, -775, -32, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x03bd, 0x03bf, -32, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x03c0, 0x03c0, -32, 0, 22, 22 },
{ 1, MappingSource::UnicodeData, 0x03c1, 0x03c1, -32, 0, 48, 48 },
{ 1, MappingSource::UnicodeData, 0x03c2, 0x03c2, -31, 0, 1, 1 },
{ 1, MappingSource::UnicodeData, 0x03c3, 0x03c3, -32, -1, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x03c4, 0x03c5, -32, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x03c6, 0x03c6, -32, 0, 15, 15 },
{ 1, MappingSource::UnicodeData, 0x03c7, 0x03c8, -32, 0, 0, 0 },
{ 1, MappingSource::CaseFolding, 0x03c9, 0x03c9, -32, 0, 7517, 7517 },
{ 1, MappingSource::UnicodeData, 0x03c9, 0x03cb, -32, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x03cc, 0x03cc, -64, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x03cd, 0x03ce, -63, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x03cf, 0x03cf, 0, 8, 8, 8 },
{ 1, MappingSource::UnicodeData, 0x03d0, 0x03d0, -62, -30, 0, 0 },
{ 1, MappingSource::CaseFolding, 0x03d1, 0x03d1, -57, -25, 0, 35 },
{ 1, MappingSource::UnicodeData, 0x03d1, 0x03d1, -57, -25, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x03d5, 0x03d5, -47, -15, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x03d6, 0x03d6, -54, -22, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x03d7, 0x03d7, -8, 0, 0, 0 },
{ 2, MappingSource::UnicodeData, 0x03d8, 0x03ef, -1, 1, 1, 1 },
{ 1, MappingSource::UnicodeData, 0x03f0, 0x03f0, -86, -54, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x03f1, 0x03f1, -80, -48, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x03f2, 0x03f2, 0, 7, 7, 7 },
{ 1, MappingSource::UnicodeData, 0x03f3, 0x03f3, -116, 0, 0, 0 },
{ 1, MappingSource::CaseFolding, 0x03f4, 0x03f4, -92, -60, -35, 0 },
{ 1, MappingSource::UnicodeData, 0x03f5, 0x03f5, -96, -64, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x03f7, 0x03f7, 0, 1, 1, 1 },
{ 1, MappingSource::UnicodeData, 0x03f8, 0x03f8, -1, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x03f9, 0x03f9, -7, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x03fa, 0x03fa, 0, 1, 1, 1 },
{ 1, MappingSource::UnicodeData, 0x03fb, 0x03fb, -1, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x03fd, 0x03ff, -130, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x0400, 0x040f, 0, 80, 80, 80 },
{ 1, MappingSource::UnicodeData, 0x0410, 0x042f, 0, 32, 32, 32 },
{ 1, MappingSource::UnicodeData, 0x0430, 0x044f, -32, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x0450, 0x045f, -80, 0, 0, 0 },
{ 2, MappingSource::UnicodeData, 0x0460, 0x0481, -1, 1, 1, 1 },
{ 2, MappingSource::UnicodeData, 0x048a, 0x04bf, -1, 1, 1, 1 },
{ 1, MappingSource::UnicodeData, 0x04c0, 0x04c0, 0, 15, 15, 15 },
{ 2, MappingSource::UnicodeData, 0x04c1, 0x04ce, -1, 1, 1, 1 },
{ 1, MappingSource::UnicodeData, 0x04cf, 0x04cf, -15, 0, 0, 0 },
{ 2, MappingSource::UnicodeData, 0x04d0, 0x052f, -1, 1, 1, 1 },
{ 1, MappingSource::UnicodeData, 0x0531, 0x0556, 0, 48, 48, 48 },
{ 1, MappingSource::UnicodeData, 0x0561, 0x0586, -48, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x10a0, 0x10c5, 0, 7264, 7264, 7264 },
{ 1, MappingSource::UnicodeData, 0x10c7, 0x10c7, 0, 7264, 7264, 7264 },
{ 1, MappingSource::UnicodeData, 0x10cd, 0x10cd, 0, 7264, 7264, 7264 },
{ 1, MappingSource::CaseFolding, 0x13a0, 0x13ef, 0, 38864, 38864, 38864 },
{ 1, MappingSource::CaseFolding, 0x13f0, 0x13f5, 0, 8, 8, 8 },
{ 1, MappingSource::CaseFolding, 0x13f8, 0x13fd, -8, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x1d79, 0x1d79, 0, 35332, 35332, 35332 },
{ 1, MappingSource::UnicodeData, 0x1d7d, 0x1d7d, 0, 3814, 3814, 3814 },
{ 2, MappingSource::UnicodeData, 0x1e00, 0x1e5f, -1, 1, 1, 1 },
{ 1, MappingSource::UnicodeData, 0x1e60, 0x1e60, 0, 1, 59, 59 },
{ 1, MappingSource::UnicodeData, 0x1e61, 0x1e61, -1, 0, 58, 58 },
{ 2, MappingSource::UnicodeData, 0x1e62, 0x1e95, -1, 1, 1, 1 },
{ 1, MappingSource::UnicodeData, 0x1e9b, 0x1e9b, -59, -58, 0, 0 },
{ 1, MappingSource::CaseFolding, 0x1e9e, 0x1e9e, -7615, 0, 0, 0 },
{ 2, MappingSource::UnicodeData, 0x1ea0, 0x1eff, -1, 1, 1, 1 },
{ 1, MappingSource::UnicodeData, 0x1f00, 0x1f07, 0, 8, 8, 8 },
{ 1, MappingSource::UnicodeData, 0x1f08, 0x1f0f, -8, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x1f10, 0x1f15, 0, 8, 8, 8 },
{ 1, MappingSource::UnicodeData, 0x1f18, 0x1f1d, -8, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x1f20, 0x1f27, 0, 8, 8, 8 },
{ 1, MappingSource::UnicodeData, 0x1f28, 0x1f2f, -8, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x1f30, 0x1f37, 0, 8, 8, 8 },
{ 1, MappingSource::UnicodeData, 0x1f38, 0x1f3f, -8, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x1f40, 0x1f45, 0, 8, 8, 8 },
{ 1, MappingSource::UnicodeData, 0x1f48, 0x1f4d, -8, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x1f51, 0x1f51, 0, 8, 8, 8 },
{ 1, MappingSource::UnicodeData, 0x1f53, 0x1f53, 0, 8, 8, 8 },
{ 1, MappingSource::UnicodeData, 0x1f55, 0x1f55, 0, 8, 8, 8 },
{ 1, MappingSource::UnicodeData, 0x1f57, 0x1f57, 0, 8, 8, 8 },
{ 1, MappingSource::UnicodeData, 0x1f59, 0x1f59, -8, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x1f5b, 0x1f5b, -8, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x1f5d, 0x1f5d, -8, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x1f5f, 0x1f5f, -8, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x1f60, 0x1f67, 0, 8, 8, 8 },
{ 1, MappingSource::UnicodeData, 0x1f68, 0x1f6f, -8, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x1f70, 0x1f71, 0, 74, 74, 74 },
{ 1, MappingSource::UnicodeData, 0x1f72, 0x1f75, 0, 86, 86, 86 },
{ 1, MappingSource::UnicodeData, 0x1f76, 0x1f77, 0, 100, 100, 100 },
{ 1, MappingSource::UnicodeData, 0x1f78, 0x1f79, 0, 128, 128, 128 },
{ 1, MappingSource::UnicodeData, 0x1f7a, 0x1f7b, 0, 112, 112, 112 },
{ 1, MappingSource::UnicodeData, 0x1f7c, 0x1f7d, 0, 126, 126, 126 },
{ 1, MappingSource::CaseFolding, 0x1f80, 0x1f87, 0, 8, 8, 8 },
{ 1, MappingSource::CaseFolding, 0x1f88, 0x1f8f, -8, 0, 0, 0 },
{ 1, MappingSource::CaseFolding, 0x1f90, 0x1f97, 0, 8, 8, 8 },
{ 1, MappingSource::CaseFolding, 0x1f98, 0x1f9f, -8, 0, 0, 0 },
{ 1, MappingSource::CaseFolding, 0x1fa0, 0x1fa7, 0, 8, 8, 8 },
{ 1, MappingSource::CaseFolding, 0x1fa8, 0x1faf, -8, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x1fb0, 0x1fb1, 0, 8, 8, 8 },
{ 1, MappingSource::CaseFolding, 0x1fb3, 0x1fb3, 0, 9, 9, 9 },
{ 1, MappingSource::UnicodeData, 0x1fb8, 0x1fb9, -8, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x1fba, 0x1fbb, -74, 0, 0, 0 },
{ 1, MappingSource::CaseFolding, 0x1fbc, 0x1fbc, -9, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x1fbe, 0x1fbe, -7289, -7205, -7173, 0 },
{ 1, MappingSource::CaseFolding, 0x1fc3, 0x1fc3, 0, 9, 9, 9 },
{ 1, MappingSource::UnicodeData, 0x1fc8, 0x1fcb, -86, 0, 0, 0 },
{ 1, MappingSource::CaseFolding, 0x1fcc, 0x1fcc, -9, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x1fd0, 0x1fd1, 0, 8, 8, 8 },
{ 1, MappingSource::UnicodeData, 0x1fd8, 0x1fd9, -8, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x1fda, 0x1fdb, -100, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x1fe0, 0x1fe1, 0, 8, 8, 8 },
{ 1, MappingSource::UnicodeData, 0x1fe5, 0x1fe5, 0, 7, 7, 7 },
{ 1, MappingSource::UnicodeData, 0x1fe8, 0x1fe9, -8, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x1fea, 0x1feb, -112, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x1fec, 0x1fec, -7, 0, 0, 0 },
{ 1, MappingSource::CaseFolding, 0x1ff3, 0x1ff3, 0, 9, 9, 9 },
{ 1, MappingSource::UnicodeData, 0x1ff8, 0x1ff9, -128, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x1ffa, 0x1ffb, -126, 0, 0, 0 },
{ 1, MappingSource::CaseFolding, 0x1ffc, 0x1ffc, -9, 0, 0, 0 },
{ 1, MappingSource::CaseFolding, 0x2126, 0x2126, -7549, -7517, 0, 0 },
{ 1, MappingSource::CaseFolding, 0x212a, 0x212a, -8415, -8383, 0, 0 },
{ 1, MappingSource::CaseFolding, 0x212b, 0x212b, -8294, -8262, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x2132, 0x2132, 0, 28, 28, 28 },
{ 1, MappingSource::UnicodeData, 0x214e, 0x214e, -28, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x2160, 0x216f, 0, 16, 16, 16 },
{ 1, MappingSource::UnicodeData, 0x2170, 0x217f, -16, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x2183, 0x2183, 0, 1, 1, 1 },
{ 1, MappingSource::UnicodeData, 0x2184, 0x2184, -1, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x24b6, 0x24cf, 0, 26, 26, 26 },
{ 1, MappingSource::UnicodeData, 0x24d0, 0x24e9, -26, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x2c00, 0x2c2e, 0, 48, 48, 48 },
{ 1, MappingSource::UnicodeData, 0x2c30, 0x2c5e, -48, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x2c60, 0x2c60, 0, 1, 1, 1 },
{ 1, MappingSource::UnicodeData, 0x2c61, 0x2c61, -1, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x2c62, 0x2c62, -10743, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x2c63, 0x2c63, -3814, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x2c64, 0x2c64, -10727, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x2c65, 0x2c65, -10795, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x2c66, 0x2c66, -10792, 0, 0, 0 },
{ 2, MappingSource::UnicodeData, 0x2c67, 0x2c6c, -1, 1, 1, 1 },
{ 1, MappingSource::UnicodeData, 0x2c6d, 0x2c6d, -10780, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x2c6e, 0x2c6e, -10749, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x2c6f, 0x2c6f, -10783, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x2c70, 0x2c70, -10782, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x2c72, 0x2c72, 0, 1, 1, 1 },
{ 1, MappingSource::UnicodeData, 0x2c73, 0x2c73, -1, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x2c75, 0x2c75, 0, 1, 1, 1 },
{ 1, MappingSource::UnicodeData, 0x2c76, 0x2c76, -1, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x2c7e, 0x2c7f, -10815, 0, 0, 0 },
{ 2, MappingSource::UnicodeData, 0x2c80, 0x2ce3, -1, 1, 1, 1 },
{ 2, MappingSource::UnicodeData, 0x2ceb, 0x2cee, -1, 1, 1, 1 },
{ 2, MappingSource::UnicodeData, 0x2cf2, 0x2cf3, -1, 1, 1, 1 },
{ 1, MappingSource::UnicodeData, 0x2d00, 0x2d25, -7264, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x2d27, 0x2d27, -7264, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0x2d2d, 0x2d2d, -7264, 0, 0, 0 },
{ 2, MappingSource::UnicodeData, 0xa640, 0xa66d, -1, 1, 1, 1 },
{ 2, MappingSource::UnicodeData, 0xa680, 0xa69b, -1, 1, 1, 1 },
{ 2, MappingSource::UnicodeData, 0xa722, 0xa72f, -1, 1, 1, 1 },
{ 2, MappingSource::UnicodeData, 0xa732, 0xa76f, -1, 1, 1, 1 },
{ 2, MappingSource::UnicodeData, 0xa779, 0xa77c, -1, 1, 1, 1 },
{ 1, MappingSource::UnicodeData, 0xa77d, 0xa77d, -35332, 0, 0, 0 },
{ 2, MappingSource::UnicodeData, 0xa77e, 0xa787, -1, 1, 1, 1 },
{ 1, MappingSource::UnicodeData, 0xa78b, 0xa78b, 0, 1, 1, 1 },
{ 1, MappingSource::UnicodeData, 0xa78c, 0xa78c, -1, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0xa78d, 0xa78d, -42280, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0xa790, 0xa790, 0, 1, 1, 1 },
{ 1, MappingSource::UnicodeData, 0xa791, 0xa791, -1, 0, 0, 0 },
{ 2, MappingSource::UnicodeData, 0xa792, 0xa793, -1, 1, 1, 1 },
{ 2, MappingSource::UnicodeData, 0xa796, 0xa7a9, -1, 1, 1, 1 },
{ 1, MappingSource::UnicodeData, 0xa7aa, 0xa7aa, -42308, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0xa7ab, 0xa7ab, -42319, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0xa7ac, 0xa7ac, -42315, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0xa7ad, 0xa7ad, -42305, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0xa7b0, 0xa7b0, -42258, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0xa7b1, 0xa7b1, -42282, 0, 0, 0 },
{ 1, MappingSource::CaseFolding, 0xa7b2, 0xa7b2, -42261, 0, 0, 0 },
{ 1, MappingSource::CaseFolding, 0xa7b3, 0xa7b3, 0, 928, 928, 928 },
{ 2, MappingSource::CaseFolding, 0xa7b4, 0xa7b7, -1, 1, 1, 1 },
{ 1, MappingSource::CaseFolding, 0xab53, 0xab53, -928, 0, 0, 0 },
{ 1, MappingSource::CaseFolding, 0xab70, 0xabbf, -38864, 0, 0, 0 },
{ 1, MappingSource::UnicodeData, 0xff21, 0xff3a, 0, 32, 32, 32 },
{ 1, MappingSource::UnicodeData, 0xff41, 0xff5a, -32, 0, 0, 0 },
{ 1, MappingSource::CaseFolding, 0x10400, 0x10427, 0, 40, 40, 40 },
{ 1, MappingSource::CaseFolding, 0x10428, 0x1044f, -40, 0, 0, 0 },
{ 1, MappingSource::CaseFolding, 0x10c80, 0x10cb2, 0, 64, 64, 64 },
{ 1, MappingSource::CaseFolding, 0x10cc0, 0x10cf2, -64, 0, 0, 0 },
{ 1, MappingSource::CaseFolding, 0x118a0, 0x118bf, 0, 32, 32, 32 },
{ 1, MappingSource::CaseFolding, 0x118c0, 0x118df, -32, 0, 0, 0 },
};
static const int numTransforms = sizeof(transforms) / sizeof(Transform);
static const Transform lastTransform = transforms[numTransforms - 1];
static constexpr bool isTransformEntryValid(int offset)
{
return
// If we've made it to the end of the table, return true. (base case)
offset >= numTransforms ||
// Otherwise, the transformation table is valid if
(
// there is at least one delta that differs from delta0 in the transform entry that we're currently looking at
(transforms[offset].delta0 != transforms[offset].delta1 || transforms[offset].delta0 != transforms[offset].delta2 || transforms[offset].delta0 != transforms[offset].delta3)
// and the transformation range is ordered properly
&& (transforms[offset].lo <= transforms[offset].hi)
// and the length of the range (inclusive of ends) is a multiple is the skipcount
&& ( ((1 + transforms[offset].hi - transforms[offset].lo) % transforms[offset].skipCountOfRange) == 0)
// and the rest of the transformation table is valid. (compile-time recursive call)
&& isTransformEntryValid(offset + 1)
);
}
template <typename Char, typename Fn>
bool RangeToEquivClass(uint& tblidx, uint l, uint h, uint& acth, Char equivl[EquivClassSize], Fn acceptSource)
{
// Note: There's a few places where we assume that there's no equivalence set
// with only one actual member. If you fail this check, double-check the data
// in the table above - one line likely has the same value for all deltas.
//
// The 0 parameter here indicates that we're starting from the first entry in
// the transformation table. This function recursively checks (during compile
// time) the entry at the index passed as well as all after it.
static_assert(isTransformEntryValid(0), "Invalid Transform code - check for 4 identical deltas!");
Assert(l <= h);
if (lastTransform.hi >= l)
{
// Skip transforms which come completely before l
while (tblidx < numTransforms && (transforms[tblidx].hi < l || !acceptSource(transforms[tblidx].source)))
{
tblidx++;
}
if (tblidx < numTransforms)
{
// Does current transform intersect the desired range?
uint interl = max(l, static_cast<uint>(transforms[tblidx].lo));
uint interh = min(h, static_cast<uint>(transforms[tblidx].skipCountOfRange == 1 ? transforms[tblidx].hi : interl));
if (interl <= interh)
{
if (l < interl)
{
// Part of input range comes before next table range, so that sub-range has trivial equivalence class
acth = interl - 1;
for (int i = 0; i < EquivClassSize; i++)
equivl[i] = Chars<Char>::UTC(l);
return false; // trivial
}
else
{
// Input range begins at a table range, so map the character range
acth = interh;
transforms[tblidx].Apply(interl, equivl);
return true; // non-trivial
}
}
// else fall-through: No intersection, so nothing in this range has non-trivial equivalence class
}
}
// else fall-through: No more transforms, so nothing in this range has a non-trivial equivalence class
acth = h;
for (int i = 0; i < EquivClassSize; i++)
{
equivl[i] = Chars<Char>::UTC(l);
}
return false; // trivial
}
bool RangeToEquivClass(uint & tblidx, uint l, uint h, uint & acth, __out_ecount(EquivClassSize) char16 equivl[EquivClassSize])
{
return RangeToEquivClass(tblidx, l, h, acth, equivl, [](MappingSource source) {
return source == MappingSource::UnicodeData;
});
}
bool RangeToEquivClass(uint & tblidx, uint l, uint h, uint & acth, __out_ecount(EquivClassSize) codepoint_t equivl[EquivClassSize])
{
return RangeToEquivClass(tblidx, l, h, acth, equivl, [](MappingSource source) {
return source == MappingSource::CaseFolding || source == MappingSource::UnicodeData;
});
}
bool RangeToEquivClassOnlyInSource(MappingSource mappingSource, uint& tblidx, uint l, uint h, uint& acth, __out_ecount(EquivClassSize) char16 equivl[EquivClassSize])
{
return RangeToEquivClass(tblidx, l, h, acth, equivl, [&](MappingSource actualSource) {
return mappingSource == actualSource;
});
}
}
}