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433 lines
19 KiB
C++
433 lines
19 KiB
C++
// Copyright (C) 2011 Milo Yip
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#include "unittest.h"
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#include "rapidjson/filereadstream.h"
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#include "rapidjson/filewritestream.h"
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#include "rapidjson/encodedstream.h"
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#include "rapidjson/stringbuffer.h"
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using namespace rapidjson;
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// Verification of encoders/decoders with Hoehrmann's UTF8 decoder
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// http://www.unicode.org/Public/UNIDATA/Blocks.txt
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static const unsigned kCodepointRanges[] = {
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0x0000, 0x007F, // Basic Latin
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0x0080, 0x00FF, // Latin-1 Supplement
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0x0100, 0x017F, // Latin Extended-A
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0x0180, 0x024F, // Latin Extended-B
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0x0250, 0x02AF, // IPA Extensions
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0x02B0, 0x02FF, // Spacing Modifier Letters
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0x0300, 0x036F, // Combining Diacritical Marks
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0x0370, 0x03FF, // Greek and Coptic
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0x0400, 0x04FF, // Cyrillic
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0x0500, 0x052F, // Cyrillic Supplement
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0x0530, 0x058F, // Armenian
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0x0590, 0x05FF, // Hebrew
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0x0600, 0x06FF, // Arabic
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0x0700, 0x074F, // Syriac
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0x0750, 0x077F, // Arabic Supplement
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0x0780, 0x07BF, // Thaana
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0x07C0, 0x07FF, // NKo
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0x0800, 0x083F, // Samaritan
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0x0840, 0x085F, // Mandaic
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0x0900, 0x097F, // Devanagari
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0x0980, 0x09FF, // Bengali
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0x0A00, 0x0A7F, // Gurmukhi
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0x0A80, 0x0AFF, // Gujarati
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0x0B00, 0x0B7F, // Oriya
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0x0B80, 0x0BFF, // Tamil
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0x0C00, 0x0C7F, // Telugu
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0x0C80, 0x0CFF, // Kannada
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0x0D00, 0x0D7F, // Malayalam
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0x0D80, 0x0DFF, // Sinhala
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0x0E00, 0x0E7F, // Thai
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0x0E80, 0x0EFF, // Lao
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0x0F00, 0x0FFF, // Tibetan
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0x1000, 0x109F, // Myanmar
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0x10A0, 0x10FF, // Georgian
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0x1100, 0x11FF, // Hangul Jamo
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0x1200, 0x137F, // Ethiopic
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0x1380, 0x139F, // Ethiopic Supplement
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0x13A0, 0x13FF, // Cherokee
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0x1400, 0x167F, // Unified Canadian Aboriginal Syllabics
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0x1680, 0x169F, // Ogham
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0x16A0, 0x16FF, // Runic
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0x1700, 0x171F, // Tagalog
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0x1720, 0x173F, // Hanunoo
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0x1740, 0x175F, // Buhid
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0x1760, 0x177F, // Tagbanwa
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0x1780, 0x17FF, // Khmer
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0x1800, 0x18AF, // Mongolian
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0x18B0, 0x18FF, // Unified Canadian Aboriginal Syllabics Extended
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0x1900, 0x194F, // Limbu
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0x1950, 0x197F, // Tai Le
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0x1980, 0x19DF, // New Tai Lue
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0x19E0, 0x19FF, // Khmer Symbols
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0x1A00, 0x1A1F, // Buginese
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0x1A20, 0x1AAF, // Tai Tham
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0x1B00, 0x1B7F, // Balinese
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0x1B80, 0x1BBF, // Sundanese
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0x1BC0, 0x1BFF, // Batak
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0x1C00, 0x1C4F, // Lepcha
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0x1C50, 0x1C7F, // Ol Chiki
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0x1CD0, 0x1CFF, // Vedic Extensions
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0x1D00, 0x1D7F, // Phonetic Extensions
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0x1D80, 0x1DBF, // Phonetic Extensions Supplement
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0x1DC0, 0x1DFF, // Combining Diacritical Marks Supplement
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0x1E00, 0x1EFF, // Latin Extended Additional
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0x1F00, 0x1FFF, // Greek Extended
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0x2000, 0x206F, // General Punctuation
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0x2070, 0x209F, // Superscripts and Subscripts
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0x20A0, 0x20CF, // Currency Symbols
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0x20D0, 0x20FF, // Combining Diacritical Marks for Symbols
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0x2100, 0x214F, // Letterlike Symbols
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0x2150, 0x218F, // Number Forms
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0x2190, 0x21FF, // Arrows
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0x2200, 0x22FF, // Mathematical Operators
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0x2300, 0x23FF, // Miscellaneous Technical
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0x2400, 0x243F, // Control Pictures
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0x2440, 0x245F, // Optical Character Recognition
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0x2460, 0x24FF, // Enclosed Alphanumerics
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0x2500, 0x257F, // Box Drawing
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0x2580, 0x259F, // Block Elements
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0x25A0, 0x25FF, // Geometric Shapes
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0x2600, 0x26FF, // Miscellaneous Symbols
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0x2700, 0x27BF, // Dingbats
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0x27C0, 0x27EF, // Miscellaneous Mathematical Symbols-A
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0x27F0, 0x27FF, // Supplemental Arrows-A
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0x2800, 0x28FF, // Braille Patterns
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0x2900, 0x297F, // Supplemental Arrows-B
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0x2980, 0x29FF, // Miscellaneous Mathematical Symbols-B
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0x2A00, 0x2AFF, // Supplemental Mathematical Operators
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0x2B00, 0x2BFF, // Miscellaneous Symbols and Arrows
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0x2C00, 0x2C5F, // Glagolitic
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0x2C60, 0x2C7F, // Latin Extended-C
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0x2C80, 0x2CFF, // Coptic
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0x2D00, 0x2D2F, // Georgian Supplement
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0x2D30, 0x2D7F, // Tifinagh
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0x2D80, 0x2DDF, // Ethiopic Extended
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0x2DE0, 0x2DFF, // Cyrillic Extended-A
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0x2E00, 0x2E7F, // Supplemental Punctuation
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0x2E80, 0x2EFF, // CJK Radicals Supplement
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0x2F00, 0x2FDF, // Kangxi Radicals
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0x2FF0, 0x2FFF, // Ideographic Description Characters
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0x3000, 0x303F, // CJK Symbols and Punctuation
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0x3040, 0x309F, // Hiragana
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0x30A0, 0x30FF, // Katakana
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0x3100, 0x312F, // Bopomofo
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0x3130, 0x318F, // Hangul Compatibility Jamo
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0x3190, 0x319F, // Kanbun
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0x31A0, 0x31BF, // Bopomofo Extended
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0x31C0, 0x31EF, // CJK Strokes
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0x31F0, 0x31FF, // Katakana Phonetic Extensions
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0x3200, 0x32FF, // Enclosed CJK Letters and Months
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0x3300, 0x33FF, // CJK Compatibility
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0x3400, 0x4DBF, // CJK Unified Ideographs Extension A
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0x4DC0, 0x4DFF, // Yijing Hexagram Symbols
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0x4E00, 0x9FFF, // CJK Unified Ideographs
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0xA000, 0xA48F, // Yi Syllables
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0xA490, 0xA4CF, // Yi Radicals
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0xA4D0, 0xA4FF, // Lisu
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0xA500, 0xA63F, // Vai
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0xA640, 0xA69F, // Cyrillic Extended-B
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0xA6A0, 0xA6FF, // Bamum
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0xA700, 0xA71F, // Modifier Tone Letters
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0xA720, 0xA7FF, // Latin Extended-D
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0xA800, 0xA82F, // Syloti Nagri
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0xA830, 0xA83F, // Common Indic Number Forms
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0xA840, 0xA87F, // Phags-pa
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0xA880, 0xA8DF, // Saurashtra
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0xA8E0, 0xA8FF, // Devanagari Extended
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0xA900, 0xA92F, // Kayah Li
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0xA930, 0xA95F, // Rejang
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0xA960, 0xA97F, // Hangul Jamo Extended-A
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0xA980, 0xA9DF, // Javanese
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0xAA00, 0xAA5F, // Cham
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0xAA60, 0xAA7F, // Myanmar Extended-A
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0xAA80, 0xAADF, // Tai Viet
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0xAB00, 0xAB2F, // Ethiopic Extended-A
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0xABC0, 0xABFF, // Meetei Mayek
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0xAC00, 0xD7AF, // Hangul Syllables
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0xD7B0, 0xD7FF, // Hangul Jamo Extended-B
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//0xD800, 0xDB7F, // High Surrogates
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//0xDB80, 0xDBFF, // High Private Use Surrogates
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//0xDC00, 0xDFFF, // Low Surrogates
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0xE000, 0xF8FF, // Private Use Area
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0xF900, 0xFAFF, // CJK Compatibility Ideographs
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0xFB00, 0xFB4F, // Alphabetic Presentation Forms
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0xFB50, 0xFDFF, // Arabic Presentation Forms-A
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0xFE00, 0xFE0F, // Variation Selectors
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0xFE10, 0xFE1F, // Vertical Forms
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0xFE20, 0xFE2F, // Combining Half Marks
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0xFE30, 0xFE4F, // CJK Compatibility Forms
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0xFE50, 0xFE6F, // Small Form Variants
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0xFE70, 0xFEFF, // Arabic Presentation Forms-B
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0xFF00, 0xFFEF, // Halfwidth and Fullwidth Forms
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0xFFF0, 0xFFFF, // Specials
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0x10000, 0x1007F, // Linear B Syllabary
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0x10080, 0x100FF, // Linear B Ideograms
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0x10100, 0x1013F, // Aegean Numbers
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0x10140, 0x1018F, // Ancient Greek Numbers
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0x10190, 0x101CF, // Ancient Symbols
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0x101D0, 0x101FF, // Phaistos Disc
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0x10280, 0x1029F, // Lycian
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0x102A0, 0x102DF, // Carian
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0x10300, 0x1032F, // Old Italic
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0x10330, 0x1034F, // Gothic
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0x10380, 0x1039F, // Ugaritic
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0x103A0, 0x103DF, // Old Persian
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0x10400, 0x1044F, // Deseret
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0x10450, 0x1047F, // Shavian
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0x10480, 0x104AF, // Osmanya
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0x10800, 0x1083F, // Cypriot Syllabary
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0x10840, 0x1085F, // Imperial Aramaic
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0x10900, 0x1091F, // Phoenician
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0x10920, 0x1093F, // Lydian
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0x10A00, 0x10A5F, // Kharoshthi
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0x10A60, 0x10A7F, // Old South Arabian
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0x10B00, 0x10B3F, // Avestan
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0x10B40, 0x10B5F, // Inscriptional Parthian
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0x10B60, 0x10B7F, // Inscriptional Pahlavi
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0x10C00, 0x10C4F, // Old Turkic
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0x10E60, 0x10E7F, // Rumi Numeral Symbols
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0x11000, 0x1107F, // Brahmi
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0x11080, 0x110CF, // Kaithi
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0x12000, 0x123FF, // Cuneiform
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0x12400, 0x1247F, // Cuneiform Numbers and Punctuation
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0x13000, 0x1342F, // Egyptian Hieroglyphs
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0x16800, 0x16A3F, // Bamum Supplement
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0x1B000, 0x1B0FF, // Kana Supplement
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0x1D000, 0x1D0FF, // Byzantine Musical Symbols
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0x1D100, 0x1D1FF, // Musical Symbols
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0x1D200, 0x1D24F, // Ancient Greek Musical Notation
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0x1D300, 0x1D35F, // Tai Xuan Jing Symbols
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0x1D360, 0x1D37F, // Counting Rod Numerals
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0x1D400, 0x1D7FF, // Mathematical Alphanumeric Symbols
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0x1F000, 0x1F02F, // Mahjong Tiles
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0x1F030, 0x1F09F, // Domino Tiles
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0x1F0A0, 0x1F0FF, // Playing Cards
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0x1F100, 0x1F1FF, // Enclosed Alphanumeric Supplement
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0x1F200, 0x1F2FF, // Enclosed Ideographic Supplement
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0x1F300, 0x1F5FF, // Miscellaneous Symbols And Pictographs
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0x1F600, 0x1F64F, // Emoticons
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0x1F680, 0x1F6FF, // Transport And Map Symbols
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0x1F700, 0x1F77F, // Alchemical Symbols
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0x20000, 0x2A6DF, // CJK Unified Ideographs Extension B
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0x2A700, 0x2B73F, // CJK Unified Ideographs Extension C
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0x2B740, 0x2B81F, // CJK Unified Ideographs Extension D
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0x2F800, 0x2FA1F, // CJK Compatibility Ideographs Supplement
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0xE0000, 0xE007F, // Tags
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0xE0100, 0xE01EF, // Variation Selectors Supplement
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0xF0000, 0xFFFFF, // Supplementary Private Use Area-A
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0x100000, 0x10FFFF, // Supplementary Private Use Area-B
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0xFFFFFFFF
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};
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// Copyright (c) 2008-2010 Bjoern Hoehrmann <bjoern@hoehrmann.de>
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// See http://bjoern.hoehrmann.de/utf-8/decoder/dfa/ for details.
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#define UTF8_ACCEPT 0u
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#define UTF8_REJECT 12u
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static const unsigned char utf8d[] = {
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// The first part of the table maps bytes to character classes that
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// to reduce the size of the transition table and create bitmasks.
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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,
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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,
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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,
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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,
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1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,
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7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
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8,8,2,2,2,2,2,2,2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,
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10,3,3,3,3,3,3,3,3,3,3,3,3,4,3,3, 11,6,6,6,5,8,8,8,8,8,8,8,8,8,8,8,
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// The second part is a transition table that maps a combination
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// of a state of the automaton and a character class to a state.
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0,12,24,36,60,96,84,12,12,12,48,72, 12,12,12,12,12,12,12,12,12,12,12,12,
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12, 0,12,12,12,12,12, 0,12, 0,12,12, 12,24,12,12,12,12,12,24,12,24,12,12,
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12,12,12,12,12,12,12,24,12,12,12,12, 12,24,12,12,12,12,12,12,12,24,12,12,
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12,12,12,12,12,12,12,36,12,36,12,12, 12,36,12,12,12,12,12,36,12,36,12,12,
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12,36,12,12,12,12,12,12,12,12,12,12,
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};
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static unsigned inline decode(unsigned* state, unsigned* codep, unsigned byte) {
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unsigned type = utf8d[byte];
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*codep = (*state != UTF8_ACCEPT) ?
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(byte & 0x3fu) | (*codep << 6) :
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(0xff >> type) & (byte);
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*state = utf8d[256 + *state + type];
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return *state;
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}
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//static bool IsUTF8(unsigned char* s) {
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// unsigned codepoint, state = 0;
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//
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// while (*s)
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// decode(&state, &codepoint, *s++);
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//
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// return state == UTF8_ACCEPT;
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//}
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TEST(EncodingsTest, UTF8) {
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StringBuffer os, os2;
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for (const unsigned* range = kCodepointRanges; *range != 0xFFFFFFFF; range += 2) {
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for (unsigned codepoint = range[0]; codepoint <= range[1]; ++codepoint) {
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os.Clear();
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UTF8<>::Encode(os, codepoint);
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const char* encodedStr = os.GetString();
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// Decode with Hoehrmann
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{
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unsigned decodedCodepoint = 0;
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unsigned state = 0;
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unsigned decodedCount = 0;
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for (const char* s = encodedStr; *s; ++s)
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if (!decode(&state, &decodedCodepoint, (unsigned char)*s)) {
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EXPECT_EQ(codepoint, decodedCodepoint);
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decodedCount++;
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}
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if (*encodedStr) // This decoder cannot handle U+0000
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EXPECT_EQ(1u, decodedCount); // Should only contain one code point
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EXPECT_EQ(UTF8_ACCEPT, state);
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if (UTF8_ACCEPT != state)
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std::cout << std::hex << codepoint << " " << decodedCodepoint << std::endl;
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}
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// Decode
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{
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StringStream is(encodedStr);
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unsigned decodedCodepoint;
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bool result = UTF8<>::Decode(is, &decodedCodepoint);
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EXPECT_TRUE(result);
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EXPECT_EQ(codepoint, decodedCodepoint);
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if (!result || codepoint != decodedCodepoint)
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std::cout << std::hex << codepoint << " " << decodedCodepoint << std::endl;
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}
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// Validate
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{
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StringStream is(encodedStr);
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os2.Clear();
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bool result = UTF8<>::Validate(is, os2);
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EXPECT_TRUE(result);
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EXPECT_EQ(0, StrCmp(encodedStr, os2.GetString()));
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}
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}
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}
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}
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TEST(EncodingsTest, UTF16) {
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GenericStringBuffer<UTF16<> > os, os2;
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GenericStringBuffer<UTF8<> > utf8os;
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for (const unsigned* range = kCodepointRanges; *range != 0xFFFFFFFF; range += 2) {
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for (unsigned codepoint = range[0]; codepoint <= range[1]; ++codepoint) {
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os.Clear();
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UTF16<>::Encode(os, codepoint);
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const UTF16<>::Ch* encodedStr = os.GetString();
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// Encode with Hoehrmann's code
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if (codepoint != 0) // cannot handle U+0000
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{
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// encode with UTF8<> first
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utf8os.Clear();
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UTF8<>::Encode(utf8os, codepoint);
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|
// transcode from UTF8 to UTF16 with Hoehrmann's code
|
|
unsigned decodedCodepoint = 0;
|
|
unsigned state = 0;
|
|
UTF16<>::Ch buffer[3], *p = &buffer[0];
|
|
for (const char* s = utf8os.GetString(); *s; ++s) {
|
|
if (!decode(&state, &decodedCodepoint, (unsigned char)*s))
|
|
break;
|
|
}
|
|
|
|
if (codepoint <= 0xFFFF)
|
|
*p++ = static_cast<UTF16<>::Ch>(decodedCodepoint);
|
|
else {
|
|
// Encode code points above U+FFFF as surrogate pair.
|
|
*p++ = static_cast<UTF16<>::Ch>(0xD7C0 + (decodedCodepoint >> 10));
|
|
*p++ = static_cast<UTF16<>::Ch>(0xDC00 + (decodedCodepoint & 0x3FF));
|
|
}
|
|
*p++ = '\0';
|
|
|
|
EXPECT_EQ(0, StrCmp(buffer, encodedStr));
|
|
}
|
|
|
|
// Decode
|
|
{
|
|
GenericStringStream<UTF16<> > is(encodedStr);
|
|
unsigned decodedCodepoint;
|
|
bool result = UTF16<>::Decode(is, &decodedCodepoint);
|
|
EXPECT_TRUE(result);
|
|
EXPECT_EQ(codepoint, decodedCodepoint);
|
|
if (!result || codepoint != decodedCodepoint)
|
|
std::cout << std::hex << codepoint << " " << decodedCodepoint << std::endl;
|
|
}
|
|
|
|
// Validate
|
|
{
|
|
GenericStringStream<UTF16<> > is(encodedStr);
|
|
os2.Clear();
|
|
bool result = UTF16<>::Validate(is, os2);
|
|
EXPECT_TRUE(result);
|
|
EXPECT_EQ(0, StrCmp(encodedStr, os2.GetString()));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
TEST(EncodingsTest, UTF32) {
|
|
GenericStringBuffer<UTF32<> > os, os2;
|
|
for (const unsigned* range = kCodepointRanges; *range != 0xFFFFFFFF; range += 2) {
|
|
for (unsigned codepoint = range[0]; codepoint <= range[1]; ++codepoint) {
|
|
os.Clear();
|
|
UTF32<>::Encode(os, codepoint);
|
|
const UTF32<>::Ch* encodedStr = os.GetString();
|
|
|
|
// Decode
|
|
{
|
|
GenericStringStream<UTF32<> > is(encodedStr);
|
|
unsigned decodedCodepoint;
|
|
bool result = UTF32<>::Decode(is, &decodedCodepoint);
|
|
EXPECT_TRUE(result);
|
|
EXPECT_EQ(codepoint, decodedCodepoint);
|
|
if (!result || codepoint != decodedCodepoint)
|
|
std::cout << std::hex << codepoint << " " << decodedCodepoint << std::endl;
|
|
}
|
|
|
|
// Validate
|
|
{
|
|
GenericStringStream<UTF32<> > is(encodedStr);
|
|
os2.Clear();
|
|
bool result = UTF32<>::Validate(is, os2);
|
|
EXPECT_TRUE(result);
|
|
EXPECT_EQ(0, StrCmp(encodedStr, os2.GetString()));
|
|
}
|
|
}
|
|
}
|
|
}
|