// -*- C++ -*- //===----------------------------------------------------------------------===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// // WARNING, this entire header is generated by // utils/generate_extended_grapheme_cluster_table.py // DO NOT MODIFY! // UNICODE, INC. LICENSE AGREEMENT - DATA FILES AND SOFTWARE // // See Terms of Use // for definitions of Unicode Inc.'s Data Files and Software. // // NOTICE TO USER: Carefully read the following legal agreement. // BY DOWNLOADING, INSTALLING, COPYING OR OTHERWISE USING UNICODE INC.'S // DATA FILES ("DATA FILES"), AND/OR SOFTWARE ("SOFTWARE"), // YOU UNEQUIVOCALLY ACCEPT, AND AGREE TO BE BOUND BY, ALL OF THE // TERMS AND CONDITIONS OF THIS AGREEMENT. // IF YOU DO NOT AGREE, DO NOT DOWNLOAD, INSTALL, COPY, DISTRIBUTE OR USE // THE DATA FILES OR SOFTWARE. // // COPYRIGHT AND PERMISSION NOTICE // // Copyright (c) 1991-2022 Unicode, Inc. All rights reserved. // Distributed under the Terms of Use in https://www.unicode.org/copyright.html. // // Permission is hereby granted, free of charge, to any person obtaining // a copy of the Unicode data files and any associated documentation // (the "Data Files") or Unicode software and any associated documentation // (the "Software") to deal in the Data Files or Software // without restriction, including without limitation the rights to use, // copy, modify, merge, publish, distribute, and/or sell copies of // the Data Files or Software, and to permit persons to whom the Data Files // or Software are furnished to do so, provided that either // (a) this copyright and permission notice appear with all copies // of the Data Files or Software, or // (b) this copyright and permission notice appear in associated // Documentation. // // THE DATA FILES AND SOFTWARE ARE PROVIDED "AS IS", WITHOUT WARRANTY OF // ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE // WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND // NONINFRINGEMENT OF THIRD PARTY RIGHTS. // IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS INCLUDED IN THIS // NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL // DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, // DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER // TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR // PERFORMANCE OF THE DATA FILES OR SOFTWARE. // // Except as contained in this notice, the name of a copyright holder // shall not be used in advertising or otherwise to promote the sale, // use or other dealings in these Data Files or Software without prior // written authorization of the copyright holder. #ifndef _LIBCPP___FORMAT_EXTENDED_GRAPHEME_CLUSTER_TABLE_H #define _LIBCPP___FORMAT_EXTENDED_GRAPHEME_CLUSTER_TABLE_H #include <__algorithm/ranges_upper_bound.h> #include <__config> #include <__iterator/access.h> #include #include #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) # pragma GCC system_header #endif _LIBCPP_BEGIN_NAMESPACE_STD #if _LIBCPP_STD_VER >= 20 namespace __extended_grapheme_custer_property_boundary { enum class __property : uint8_t { // Values generated from the data files. __CR, __Control, __Extend, __Extended_Pictographic, __L, __LF, __LV, __LVT, __Prepend, __Regional_Indicator, __SpacingMark, __T, __V, __ZWJ, // The properies below aren't stored in the "database". // Text position properties. __sot, __eot, // The code unit has none of above properties. __none }; /// The entries of the extended grapheme cluster bondary property table. /// /// The data is generated from /// - https://www.unicode.org/Public/UCD/latest/ucd/auxiliary/GraphemeBreakProperty.txt /// - https://www.unicode.org/Public/UCD/latest/ucd/emoji/emoji-data.txt /// /// The data has 3 values /// - bits [0, 3] The property. One of the values generated from the datafiles /// of \ref __property /// - bits [4, 10] The size of the range. /// - bits [11, 31] The lower bound code point of the range. The upper bound of /// the range is lower bound + size. /// /// The 7 bits for the size allow a maximum range of 128 elements. Some ranges /// in the Unicode tables are larger. They are stored in multiple consecutive /// ranges in the data table. An alternative would be to store the sizes in a /// separate 16-bit value. The original MSVC STL code had such an approach, but /// this approach uses less space for the data and is about 4% faster in the /// following benchmark. /// libcxx/benchmarks/std_format_spec_string_unicode.bench.cpp // clang-format off _LIBCPP_HIDE_FROM_ABI inline constexpr uint32_t __entries[1496] = { 0x00000091, 0x00005005, 0x00005811, 0x00006800, 0x00007111, 0x0003fa01, 0x00054803, 0x00056801, 0x00057003, 0x001806f2, 0x00241862, 0x002c8ac2, 0x002df802, 0x002e0812, 0x002e2012, 0x002e3802, 0x00300058, 0x003080a2, 0x0030e001, 0x00325942, 0x00338002, 0x0036b062, 0x0036e808, 0x0036f852, 0x00373812, 0x00375032, 0x00387808, 0x00388802, 0x003981a2, 0x003d30a2, 0x003f5882, 0x003fe802, 0x0040b032, 0x0040d882, 0x00412822, 0x00414842, 0x0042c822, 0x00448018, 0x0044c072, 0x00465172, 0x00471008, 0x004719f2, 0x0048180a, 0x0049d002, 0x0049d80a, 0x0049e002, 0x0049f02a, 0x004a0872, 0x004a483a, 0x004a6802, 0x004a701a, 0x004a8862, 0x004b1012, 0x004c0802, 0x004c101a, 0x004de002, 0x004df002, 0x004df81a, 0x004e0832, 0x004e381a, 0x004e581a, 0x004e6802, 0x004eb802, 0x004f1012, 0x004ff002, 0x00500812, 0x0050180a, 0x0051e002, 0x0051f02a, 0x00520812, 0x00523812, 0x00525822, 0x00528802, 0x00538012, 0x0053a802, 0x00540812, 0x0054180a, 0x0055e002, 0x0055f02a, 0x00560842, 0x00563812, 0x0056480a, 0x0056581a, 0x00566802, 0x00571012, 0x0057d052, 0x00580802, 0x0058101a, 0x0059e002, 0x0059f012, 0x005a000a, 0x005a0832, 0x005a381a, 0x005a581a, 0x005a6802, 0x005aa822, 0x005b1012, 0x005c1002, 0x005df002, 0x005df80a, 0x005e0002, 0x005e081a, 0x005e302a, 0x005e502a, 0x005e6802, 0x005eb802, 0x00600002, 0x0060082a, 0x00602002, 0x0061e002, 0x0061f022, 0x0062083a, 0x00623022, 0x00625032, 0x0062a812, 0x00631012, 0x00640802, 0x0064101a, 0x0065e002, 0x0065f00a, 0x0065f802, 0x0066001a, 0x00661002, 0x0066181a, 0x00663002, 0x0066381a, 0x0066501a, 0x00666012, 0x0066a812, 0x00671012, 0x0067980a, 0x00680012, 0x0068101a, 0x0069d812, 0x0069f002, 0x0069f81a, 0x006a0832, 0x006a302a, 0x006a502a, 0x006a6802, 0x006a7008, 0x006ab802, 0x006b1012, 0x006c0802, 0x006c101a, 0x006e5002, 0x006e7802, 0x006e801a, 0x006e9022, 0x006eb002, 0x006ec06a, 0x006ef802, 0x006f901a, 0x00718802, 0x0071980a, 0x0071a062, 0x00723872, 0x00758802, 0x0075980a, 0x0075a082, 0x00764062, 0x0078c012, 0x0079a802, 0x0079b802, 0x0079c802, 0x0079f01a, 0x007b88d2, 0x007bf80a, 0x007c0042, 0x007c3012, 0x007c68a2, 0x007cca32, 0x007e3002, 0x00816832, 0x0081880a, 0x00819052, 0x0081c812, 0x0081d81a, 0x0081e812, 0x0082b01a, 0x0082c012, 0x0082f022, 0x00838832, 0x00841002, 0x0084200a, 0x00842812, 0x00846802, 0x0084e802, 0x008805f4, 0x008b047c, 0x008d457b, 0x009ae822, 0x00b89022, 0x00b8a80a, 0x00b99012, 0x00b9a00a, 0x00ba9012, 0x00bb9012, 0x00bda012, 0x00bdb00a, 0x00bdb862, 0x00bdf07a, 0x00be3002, 0x00be381a, 0x00be48a2, 0x00bee802, 0x00c05822, 0x00c07001, 0x00c07802, 0x00c42812, 0x00c54802, 0x00c90022, 0x00c9183a, 0x00c93812, 0x00c9482a, 0x00c9801a, 0x00c99002, 0x00c9985a, 0x00c9c822, 0x00d0b812, 0x00d0c81a, 0x00d0d802, 0x00d2a80a, 0x00d2b002, 0x00d2b80a, 0x00d2c062, 0x00d30002, 0x00d31002, 0x00d32872, 0x00d3685a, 0x00d39892, 0x00d3f802, 0x00d581e2, 0x00d80032, 0x00d8200a, 0x00d9a062, 0x00d9d80a, 0x00d9e002, 0x00d9e84a, 0x00da1002, 0x00da181a, 0x00db5882, 0x00dc0012, 0x00dc100a, 0x00dd080a, 0x00dd1032, 0x00dd301a, 0x00dd4012, 0x00dd500a, 0x00dd5822, 0x00df3002, 0x00df380a, 0x00df4012, 0x00df502a, 0x00df6802, 0x00df700a, 0x00df7822, 0x00df901a, 0x00e1207a, 0x00e16072, 0x00e1a01a, 0x00e1b012, 0x00e68022, 0x00e6a0c2, 0x00e7080a, 0x00e71062, 0x00e76802, 0x00e7a002, 0x00e7b80a, 0x00e7c012, 0x00ee03f2, 0x01005801, 0x01006002, 0x0100680d, 0x01007011, 0x01014061, 0x0101e003, 0x01024803, 0x010300f1, 0x01068202, 0x01091003, 0x0109c803, 0x010ca053, 0x010d4813, 0x0118d013, 0x01194003, 0x011c4003, 0x011e7803, 0x011f48a3, 0x011fc023, 0x01261003, 0x012d5013, 0x012db003, 0x012e0003, 0x012fd833, 0x01300053, 0x013038b3, 0x0130a713, 0x01348753, 0x013840a3, 0x0138a003, 0x0138b003, 0x0138e803, 0x01390803, 0x01394003, 0x01399813, 0x013a2003, 0x013a3803, 0x013a6003, 0x013a7003, 0x013a9823, 0x013ab803, 0x013b1843, 0x013ca823, 0x013d0803, 0x013d8003, 0x013df803, 0x0149a013, 0x01582823, 0x0158d813, 0x015a8003, 0x015aa803, 0x01677822, 0x016bf802, 0x016f01f2, 0x01815052, 0x01818003, 0x0181e803, 0x0184c812, 0x0194b803, 0x0194c803, 0x05337832, 0x0533a092, 0x0534f012, 0x05378012, 0x05401002, 0x05403002, 0x05405802, 0x0541181a, 0x05412812, 0x0541380a, 0x05416002, 0x0544001a, 0x0545a0fa, 0x05462012, 0x05470112, 0x0547f802, 0x05493072, 0x054a38a2, 0x054a901a, 0x054b01c4, 0x054c0022, 0x054c180a, 0x054d9802, 0x054da01a, 0x054db032, 0x054dd01a, 0x054de012, 0x054df02a, 0x054f2802, 0x05514852, 0x0551781a, 0x05518812, 0x0551981a, 0x0551a812, 0x05521802, 0x05526002, 0x0552680a, 0x0553e002, 0x05558002, 0x05559022, 0x0555b812, 0x0555f012, 0x05560802, 0x0557580a, 0x05576012, 0x0557701a, 0x0557a80a, 0x0557b002, 0x055f181a, 0x055f2802, 0x055f301a, 0x055f4002, 0x055f481a, 0x055f600a, 0x055f6802, 0x05600006, 0x056009a7, 0x0560e006, 0x0560e9a7, 0x0561c006, 0x0561c9a7, 0x0562a006, 0x0562a9a7, 0x05638006, 0x056389a7, 0x05646006, 0x056469a7, 0x05654006, 0x056549a7, 0x05662006, 0x056629a7, 0x05670006, 0x056709a7, 0x0567e006, 0x0567e9a7, 0x0568c006, 0x0568c9a7, 0x0569a006, 0x0569a9a7, 0x056a8006, 0x056a89a7, 0x056b6006, 0x056b69a7, 0x056c4006, 0x056c49a7, 0x056d2006, 0x056d29a7, 0x056e0006, 0x056e09a7, 0x056ee006, 0x056ee9a7, 0x056fc006, 0x056fc9a7, 0x0570a006, 0x0570a9a7, 0x05718006, 0x057189a7, 0x05726006, 0x057269a7, 0x05734006, 0x057349a7, 0x05742006, 0x057429a7, 0x05750006, 0x057509a7, 0x0575e006, 0x0575e9a7, 0x0576c006, 0x0576c9a7, 0x0577a006, 0x0577a9a7, 0x05788006, 0x057889a7, 0x05796006, 0x057969a7, 0x057a4006, 0x057a49a7, 0x057b2006, 0x057b29a7, 0x057c0006, 0x057c09a7, 0x057ce006, 0x057ce9a7, 0x057dc006, 0x057dc9a7, 0x057ea006, 0x057ea9a7, 0x057f8006, 0x057f89a7, 0x05806006, 0x058069a7, 0x05814006, 0x058149a7, 0x05822006, 0x058229a7, 0x05830006, 0x058309a7, 0x0583e006, 0x0583e9a7, 0x0584c006, 0x0584c9a7, 0x0585a006, 0x0585a9a7, 0x05868006, 0x058689a7, 0x05876006, 0x058769a7, 0x05884006, 0x058849a7, 0x05892006, 0x058929a7, 0x058a0006, 0x058a09a7, 0x058ae006, 0x058ae9a7, 0x058bc006, 0x058bc9a7, 0x058ca006, 0x058ca9a7, 0x058d8006, 0x058d89a7, 0x058e6006, 0x058e69a7, 0x058f4006, 0x058f49a7, 0x05902006, 0x059029a7, 0x05910006, 0x059109a7, 0x0591e006, 0x0591e9a7, 0x0592c006, 0x0592c9a7, 0x0593a006, 0x0593a9a7, 0x05948006, 0x059489a7, 0x05956006, 0x059569a7, 0x05964006, 0x059649a7, 0x05972006, 0x059729a7, 0x05980006, 0x059809a7, 0x0598e006, 0x0598e9a7, 0x0599c006, 0x0599c9a7, 0x059aa006, 0x059aa9a7, 0x059b8006, 0x059b89a7, 0x059c6006, 0x059c69a7, 0x059d4006, 0x059d49a7, 0x059e2006, 0x059e29a7, 0x059f0006, 0x059f09a7, 0x059fe006, 0x059fe9a7, 0x05a0c006, 0x05a0c9a7, 0x05a1a006, 0x05a1a9a7, 0x05a28006, 0x05a289a7, 0x05a36006, 0x05a369a7, 0x05a44006, 0x05a449a7, 0x05a52006, 0x05a529a7, 0x05a60006, 0x05a609a7, 0x05a6e006, 0x05a6e9a7, 0x05a7c006, 0x05a7c9a7, 0x05a8a006, 0x05a8a9a7, 0x05a98006, 0x05a989a7, 0x05aa6006, 0x05aa69a7, 0x05ab4006, 0x05ab49a7, 0x05ac2006, 0x05ac29a7, 0x05ad0006, 0x05ad09a7, 0x05ade006, 0x05ade9a7, 0x05aec006, 0x05aec9a7, 0x05afa006, 0x05afa9a7, 0x05b08006, 0x05b089a7, 0x05b16006, 0x05b169a7, 0x05b24006, 0x05b249a7, 0x05b32006, 0x05b329a7, 0x05b40006, 0x05b409a7, 0x05b4e006, 0x05b4e9a7, 0x05b5c006, 0x05b5c9a7, 0x05b6a006, 0x05b6a9a7, 0x05b78006, 0x05b789a7, 0x05b86006, 0x05b869a7, 0x05b94006, 0x05b949a7, 0x05ba2006, 0x05ba29a7, 0x05bb0006, 0x05bb09a7, 0x05bbe006, 0x05bbe9a7, 0x05bcc006, 0x05bcc9a7, 0x05bda006, 0x05bda9a7, 0x05be8006, 0x05be89a7, 0x05bf6006, 0x05bf69a7, 0x05c04006, 0x05c049a7, 0x05c12006, 0x05c129a7, 0x05c20006, 0x05c209a7, 0x05c2e006, 0x05c2e9a7, 0x05c3c006, 0x05c3c9a7, 0x05c4a006, 0x05c4a9a7, 0x05c58006, 0x05c589a7, 0x05c66006, 0x05c669a7, 0x05c74006, 0x05c749a7, 0x05c82006, 0x05c829a7, 0x05c90006, 0x05c909a7, 0x05c9e006, 0x05c9e9a7, 0x05cac006, 0x05cac9a7, 0x05cba006, 0x05cba9a7, 0x05cc8006, 0x05cc89a7, 0x05cd6006, 0x05cd69a7, 0x05ce4006, 0x05ce49a7, 0x05cf2006, 0x05cf29a7, 0x05d00006, 0x05d009a7, 0x05d0e006, 0x05d0e9a7, 0x05d1c006, 0x05d1c9a7, 0x05d2a006, 0x05d2a9a7, 0x05d38006, 0x05d389a7, 0x05d46006, 0x05d469a7, 0x05d54006, 0x05d549a7, 0x05d62006, 0x05d629a7, 0x05d70006, 0x05d709a7, 0x05d7e006, 0x05d7e9a7, 0x05d8c006, 0x05d8c9a7, 0x05d9a006, 0x05d9a9a7, 0x05da8006, 0x05da89a7, 0x05db6006, 0x05db69a7, 0x05dc4006, 0x05dc49a7, 0x05dd2006, 0x05dd29a7, 0x05de0006, 0x05de09a7, 0x05dee006, 0x05dee9a7, 0x05dfc006, 0x05dfc9a7, 0x05e0a006, 0x05e0a9a7, 0x05e18006, 0x05e189a7, 0x05e26006, 0x05e269a7, 0x05e34006, 0x05e349a7, 0x05e42006, 0x05e429a7, 0x05e50006, 0x05e509a7, 0x05e5e006, 0x05e5e9a7, 0x05e6c006, 0x05e6c9a7, 0x05e7a006, 0x05e7a9a7, 0x05e88006, 0x05e889a7, 0x05e96006, 0x05e969a7, 0x05ea4006, 0x05ea49a7, 0x05eb2006, 0x05eb29a7, 0x05ec0006, 0x05ec09a7, 0x05ece006, 0x05ece9a7, 0x05edc006, 0x05edc9a7, 0x05eea006, 0x05eea9a7, 0x05ef8006, 0x05ef89a7, 0x05f06006, 0x05f069a7, 0x05f14006, 0x05f149a7, 0x05f22006, 0x05f229a7, 0x05f30006, 0x05f309a7, 0x05f3e006, 0x05f3e9a7, 0x05f4c006, 0x05f4c9a7, 0x05f5a006, 0x05f5a9a7, 0x05f68006, 0x05f689a7, 0x05f76006, 0x05f769a7, 0x05f84006, 0x05f849a7, 0x05f92006, 0x05f929a7, 0x05fa0006, 0x05fa09a7, 0x05fae006, 0x05fae9a7, 0x05fbc006, 0x05fbc9a7, 0x05fca006, 0x05fca9a7, 0x05fd8006, 0x05fd89a7, 0x05fe6006, 0x05fe69a7, 0x05ff4006, 0x05ff49a7, 0x06002006, 0x060029a7, 0x06010006, 0x060109a7, 0x0601e006, 0x0601e9a7, 0x0602c006, 0x0602c9a7, 0x0603a006, 0x0603a9a7, 0x06048006, 0x060489a7, 0x06056006, 0x060569a7, 0x06064006, 0x060649a7, 0x06072006, 0x060729a7, 0x06080006, 0x060809a7, 0x0608e006, 0x0608e9a7, 0x0609c006, 0x0609c9a7, 0x060aa006, 0x060aa9a7, 0x060b8006, 0x060b89a7, 0x060c6006, 0x060c69a7, 0x060d4006, 0x060d49a7, 0x060e2006, 0x060e29a7, 0x060f0006, 0x060f09a7, 0x060fe006, 0x060fe9a7, 0x0610c006, 0x0610c9a7, 0x0611a006, 0x0611a9a7, 0x06128006, 0x061289a7, 0x06136006, 0x061369a7, 0x06144006, 0x061449a7, 0x06152006, 0x061529a7, 0x06160006, 0x061609a7, 0x0616e006, 0x0616e9a7, 0x0617c006, 0x0617c9a7, 0x0618a006, 0x0618a9a7, 0x06198006, 0x061989a7, 0x061a6006, 0x061a69a7, 0x061b4006, 0x061b49a7, 0x061c2006, 0x061c29a7, 0x061d0006, 0x061d09a7, 0x061de006, 0x061de9a7, 0x061ec006, 0x061ec9a7, 0x061fa006, 0x061fa9a7, 0x06208006, 0x062089a7, 0x06216006, 0x062169a7, 0x06224006, 0x062249a7, 0x06232006, 0x062329a7, 0x06240006, 0x062409a7, 0x0624e006, 0x0624e9a7, 0x0625c006, 0x0625c9a7, 0x0626a006, 0x0626a9a7, 0x06278006, 0x062789a7, 0x06286006, 0x062869a7, 0x06294006, 0x062949a7, 0x062a2006, 0x062a29a7, 0x062b0006, 0x062b09a7, 0x062be006, 0x062be9a7, 0x062cc006, 0x062cc9a7, 0x062da006, 0x062da9a7, 0x062e8006, 0x062e89a7, 0x062f6006, 0x062f69a7, 0x06304006, 0x063049a7, 0x06312006, 0x063129a7, 0x06320006, 0x063209a7, 0x0632e006, 0x0632e9a7, 0x0633c006, 0x0633c9a7, 0x0634a006, 0x0634a9a7, 0x06358006, 0x063589a7, 0x06366006, 0x063669a7, 0x06374006, 0x063749a7, 0x06382006, 0x063829a7, 0x06390006, 0x063909a7, 0x0639e006, 0x0639e9a7, 0x063ac006, 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0x0e798162, 0x0e8b2802, 0x0e8b300a, 0x0e8b3822, 0x0e8b680a, 0x0e8b7042, 0x0e8b9871, 0x0e8bd872, 0x0e8c2862, 0x0e8d5032, 0x0e921022, 0x0ed00362, 0x0ed1db12, 0x0ed3a802, 0x0ed42002, 0x0ed4d842, 0x0ed508e2, 0x0f000062, 0x0f004102, 0x0f00d862, 0x0f011812, 0x0f013042, 0x0f047802, 0x0f098062, 0x0f157002, 0x0f176032, 0x0f276032, 0x0f468062, 0x0f4a2062, 0x0f8007f3, 0x0f8407f3, 0x0f886823, 0x0f897803, 0x0f8b6053, 0x0f8bf013, 0x0f8c7003, 0x0f8c8893, 0x0f8d6b83, 0x0f8f3199, 0x0f9008e3, 0x0f90d003, 0x0f917803, 0x0f919083, 0x0f91e033, 0x0f924ff3, 0x0f964ff3, 0x0f9a4ff3, 0x0f9e4b13, 0x0f9fd842, 0x0fa007f3, 0x0fa407f3, 0x0fa803d3, 0x0faa37f3, 0x0fae37f3, 0x0fb23093, 0x0fb407f3, 0x0fbba0b3, 0x0fbeaaa3, 0x0fc06033, 0x0fc24073, 0x0fc2d053, 0x0fc44073, 0x0fc57513, 0x0fc862e3, 0x0fc9e093, 0x0fca3ff3, 0x0fce3ff3, 0x0fd23ff3, 0x0fd63b83, 0x0fe007f3, 0x0fe407f3, 0x0fe807f3, 0x0fec07f3, 0x0ff007f3, 0x0ff407f3, 0x0ff807f3, 0x0ffc07d3, 0x700001f1, 0x700105f2, 0x700407f1, 0x700807f2, 0x700c06f2, 0x700f87f1, 0x701387f1, 0x701787f1, 0x701b87f1, 0x701f87f1, 0x702387f1, 0x702787f1, 0x702b87f1, 0x702f87f1, 0x703387f1, 0x703787f1, 0x703b87f1, 0x703f87f1, 0x704387f1, 0x704787f1, 0x704b87f1, 0x704f87f1, 0x705387f1, 0x705787f1, 0x705b87f1, 0x705f87f1, 0x706387f1, 0x706787f1, 0x706b87f1, 0x706f87f1, 0x707387f1, 0x707787f1, 0x707b87f1, 0x707f80f1}; // clang-format on /// Returns the extended grapheme cluster bondary property of a code point. [[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr __property __get_property(const char32_t __code_point) noexcept { // The algorithm searches for the upper bound of the range and, when found, // steps back one entry. This algorithm is used since the code point can be // anywhere in the range. After a lower bound is found the next step is to // compare whether the code unit is indeed in the range. // // Since the entry contains a code unit, size, and property the code point // being sought needs to be adjusted. Just shifting the code point to the // proper position doesn't work; suppose an entry has property 0, size 1, // and lower bound 3. This results in the entry 0x1810. // When searching for code point 3 it will search for 0x1800, find 0x1810 // and moves to the previous entry. Thus the lower bound value will never // be found. // The simple solution is to set the bits belonging to the property and // size. Then the upper bound for code point 3 will return the entry after // 0x1810. After moving to the previous entry the algorithm arrives at the // correct entry. ptrdiff_t __i = std::ranges::upper_bound(__entries, (__code_point << 11) | 0x7ffu) - __entries; if (__i == 0) return __property::__none; --__i; uint32_t __upper_bound = (__entries[__i] >> 11) + ((__entries[__i] >> 4) & 0x7f); if (__code_point <= __upper_bound) return static_cast<__property>(__entries[__i] & 0xf); return __property::__none; } } // namespace __extended_grapheme_custer_property_boundary #endif //_LIBCPP_STD_VER >= 20 _LIBCPP_END_NAMESPACE_STD #endif // _LIBCPP___FORMAT_EXTENDED_GRAPHEME_CLUSTER_TABLE_H