| // Tencent is pleased to support the open source community by making RapidJSON available. |
| // |
| // Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. |
| // |
| // Licensed under the MIT License (the "License"); you may not use this file except |
| // in compliance with the License. You may obtain a copy of the License at |
| // |
| // http://opensource.org/licenses/MIT |
| // |
| // Unless required by applicable law or agreed to in writing, software distributed |
| // under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR |
| // CONDITIONS OF ANY KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations under the License. |
| |
| #include "unittest.h" |
| #include "rapidjson/filereadstream.h" |
| #include "rapidjson/filewritestream.h" |
| #include "rapidjson/encodedstream.h" |
| #include "rapidjson/stringbuffer.h" |
| |
| using namespace rapidjson; |
| |
| // Verification of encoders/decoders with Hoehrmann's UTF8 decoder |
| |
| // http://www.unicode.org/Public/UNIDATA/Blocks.txt |
| static const unsigned kCodepointRanges[] = { |
| 0x0000, 0x007F, // Basic Latin |
| 0x0080, 0x00FF, // Latin-1 Supplement |
| 0x0100, 0x017F, // Latin Extended-A |
| 0x0180, 0x024F, // Latin Extended-B |
| 0x0250, 0x02AF, // IPA Extensions |
| 0x02B0, 0x02FF, // Spacing Modifier Letters |
| 0x0300, 0x036F, // Combining Diacritical Marks |
| 0x0370, 0x03FF, // Greek and Coptic |
| 0x0400, 0x04FF, // Cyrillic |
| 0x0500, 0x052F, // Cyrillic Supplement |
| 0x0530, 0x058F, // Armenian |
| 0x0590, 0x05FF, // Hebrew |
| 0x0600, 0x06FF, // Arabic |
| 0x0700, 0x074F, // Syriac |
| 0x0750, 0x077F, // Arabic Supplement |
| 0x0780, 0x07BF, // Thaana |
| 0x07C0, 0x07FF, // NKo |
| 0x0800, 0x083F, // Samaritan |
| 0x0840, 0x085F, // Mandaic |
| 0x0900, 0x097F, // Devanagari |
| 0x0980, 0x09FF, // Bengali |
| 0x0A00, 0x0A7F, // Gurmukhi |
| 0x0A80, 0x0AFF, // Gujarati |
| 0x0B00, 0x0B7F, // Oriya |
| 0x0B80, 0x0BFF, // Tamil |
| 0x0C00, 0x0C7F, // Telugu |
| 0x0C80, 0x0CFF, // Kannada |
| 0x0D00, 0x0D7F, // Malayalam |
| 0x0D80, 0x0DFF, // Sinhala |
| 0x0E00, 0x0E7F, // Thai |
| 0x0E80, 0x0EFF, // Lao |
| 0x0F00, 0x0FFF, // Tibetan |
| 0x1000, 0x109F, // Myanmar |
| 0x10A0, 0x10FF, // Georgian |
| 0x1100, 0x11FF, // Hangul Jamo |
| 0x1200, 0x137F, // Ethiopic |
| 0x1380, 0x139F, // Ethiopic Supplement |
| 0x13A0, 0x13FF, // Cherokee |
| 0x1400, 0x167F, // Unified Canadian Aboriginal Syllabics |
| 0x1680, 0x169F, // Ogham |
| 0x16A0, 0x16FF, // Runic |
| 0x1700, 0x171F, // Tagalog |
| 0x1720, 0x173F, // Hanunoo |
| 0x1740, 0x175F, // Buhid |
| 0x1760, 0x177F, // Tagbanwa |
| 0x1780, 0x17FF, // Khmer |
| 0x1800, 0x18AF, // Mongolian |
| 0x18B0, 0x18FF, // Unified Canadian Aboriginal Syllabics Extended |
| 0x1900, 0x194F, // Limbu |
| 0x1950, 0x197F, // Tai Le |
| 0x1980, 0x19DF, // New Tai Lue |
| 0x19E0, 0x19FF, // Khmer Symbols |
| 0x1A00, 0x1A1F, // Buginese |
| 0x1A20, 0x1AAF, // Tai Tham |
| 0x1B00, 0x1B7F, // Balinese |
| 0x1B80, 0x1BBF, // Sundanese |
| 0x1BC0, 0x1BFF, // Batak |
| 0x1C00, 0x1C4F, // Lepcha |
| 0x1C50, 0x1C7F, // Ol Chiki |
| 0x1CD0, 0x1CFF, // Vedic Extensions |
| 0x1D00, 0x1D7F, // Phonetic Extensions |
| 0x1D80, 0x1DBF, // Phonetic Extensions Supplement |
| 0x1DC0, 0x1DFF, // Combining Diacritical Marks Supplement |
| 0x1E00, 0x1EFF, // Latin Extended Additional |
| 0x1F00, 0x1FFF, // Greek Extended |
| 0x2000, 0x206F, // General Punctuation |
| 0x2070, 0x209F, // Superscripts and Subscripts |
| 0x20A0, 0x20CF, // Currency Symbols |
| 0x20D0, 0x20FF, // Combining Diacritical Marks for Symbols |
| 0x2100, 0x214F, // Letterlike Symbols |
| 0x2150, 0x218F, // Number Forms |
| 0x2190, 0x21FF, // Arrows |
| 0x2200, 0x22FF, // Mathematical Operators |
| 0x2300, 0x23FF, // Miscellaneous Technical |
| 0x2400, 0x243F, // Control Pictures |
| 0x2440, 0x245F, // Optical Character Recognition |
| 0x2460, 0x24FF, // Enclosed Alphanumerics |
| 0x2500, 0x257F, // Box Drawing |
| 0x2580, 0x259F, // Block Elements |
| 0x25A0, 0x25FF, // Geometric Shapes |
| 0x2600, 0x26FF, // Miscellaneous Symbols |
| 0x2700, 0x27BF, // Dingbats |
| 0x27C0, 0x27EF, // Miscellaneous Mathematical Symbols-A |
| 0x27F0, 0x27FF, // Supplemental Arrows-A |
| 0x2800, 0x28FF, // Braille Patterns |
| 0x2900, 0x297F, // Supplemental Arrows-B |
| 0x2980, 0x29FF, // Miscellaneous Mathematical Symbols-B |
| 0x2A00, 0x2AFF, // Supplemental Mathematical Operators |
| 0x2B00, 0x2BFF, // Miscellaneous Symbols and Arrows |
| 0x2C00, 0x2C5F, // Glagolitic |
| 0x2C60, 0x2C7F, // Latin Extended-C |
| 0x2C80, 0x2CFF, // Coptic |
| 0x2D00, 0x2D2F, // Georgian Supplement |
| 0x2D30, 0x2D7F, // Tifinagh |
| 0x2D80, 0x2DDF, // Ethiopic Extended |
| 0x2DE0, 0x2DFF, // Cyrillic Extended-A |
| 0x2E00, 0x2E7F, // Supplemental Punctuation |
| 0x2E80, 0x2EFF, // CJK Radicals Supplement |
| 0x2F00, 0x2FDF, // Kangxi Radicals |
| 0x2FF0, 0x2FFF, // Ideographic Description Characters |
| 0x3000, 0x303F, // CJK Symbols and Punctuation |
| 0x3040, 0x309F, // Hiragana |
| 0x30A0, 0x30FF, // Katakana |
| 0x3100, 0x312F, // Bopomofo |
| 0x3130, 0x318F, // Hangul Compatibility Jamo |
| 0x3190, 0x319F, // Kanbun |
| 0x31A0, 0x31BF, // Bopomofo Extended |
| 0x31C0, 0x31EF, // CJK Strokes |
| 0x31F0, 0x31FF, // Katakana Phonetic Extensions |
| 0x3200, 0x32FF, // Enclosed CJK Letters and Months |
| 0x3300, 0x33FF, // CJK Compatibility |
| 0x3400, 0x4DBF, // CJK Unified Ideographs Extension A |
| 0x4DC0, 0x4DFF, // Yijing Hexagram Symbols |
| 0x4E00, 0x9FFF, // CJK Unified Ideographs |
| 0xA000, 0xA48F, // Yi Syllables |
| 0xA490, 0xA4CF, // Yi Radicals |
| 0xA4D0, 0xA4FF, // Lisu |
| 0xA500, 0xA63F, // Vai |
| 0xA640, 0xA69F, // Cyrillic Extended-B |
| 0xA6A0, 0xA6FF, // Bamum |
| 0xA700, 0xA71F, // Modifier Tone Letters |
| 0xA720, 0xA7FF, // Latin Extended-D |
| 0xA800, 0xA82F, // Syloti Nagri |
| 0xA830, 0xA83F, // Common Indic Number Forms |
| 0xA840, 0xA87F, // Phags-pa |
| 0xA880, 0xA8DF, // Saurashtra |
| 0xA8E0, 0xA8FF, // Devanagari Extended |
| 0xA900, 0xA92F, // Kayah Li |
| 0xA930, 0xA95F, // Rejang |
| 0xA960, 0xA97F, // Hangul Jamo Extended-A |
| 0xA980, 0xA9DF, // Javanese |
| 0xAA00, 0xAA5F, // Cham |
| 0xAA60, 0xAA7F, // Myanmar Extended-A |
| 0xAA80, 0xAADF, // Tai Viet |
| 0xAB00, 0xAB2F, // Ethiopic Extended-A |
| 0xABC0, 0xABFF, // Meetei Mayek |
| 0xAC00, 0xD7AF, // Hangul Syllables |
| 0xD7B0, 0xD7FF, // Hangul Jamo Extended-B |
| //0xD800, 0xDB7F, // High Surrogates |
| //0xDB80, 0xDBFF, // High Private Use Surrogates |
| //0xDC00, 0xDFFF, // Low Surrogates |
| 0xE000, 0xF8FF, // Private Use Area |
| 0xF900, 0xFAFF, // CJK Compatibility Ideographs |
| 0xFB00, 0xFB4F, // Alphabetic Presentation Forms |
| 0xFB50, 0xFDFF, // Arabic Presentation Forms-A |
| 0xFE00, 0xFE0F, // Variation Selectors |
| 0xFE10, 0xFE1F, // Vertical Forms |
| 0xFE20, 0xFE2F, // Combining Half Marks |
| 0xFE30, 0xFE4F, // CJK Compatibility Forms |
| 0xFE50, 0xFE6F, // Small Form Variants |
| 0xFE70, 0xFEFF, // Arabic Presentation Forms-B |
| 0xFF00, 0xFFEF, // Halfwidth and Fullwidth Forms |
| 0xFFF0, 0xFFFF, // Specials |
| 0x10000, 0x1007F, // Linear B Syllabary |
| 0x10080, 0x100FF, // Linear B Ideograms |
| 0x10100, 0x1013F, // Aegean Numbers |
| 0x10140, 0x1018F, // Ancient Greek Numbers |
| 0x10190, 0x101CF, // Ancient Symbols |
| 0x101D0, 0x101FF, // Phaistos Disc |
| 0x10280, 0x1029F, // Lycian |
| 0x102A0, 0x102DF, // Carian |
| 0x10300, 0x1032F, // Old Italic |
| 0x10330, 0x1034F, // Gothic |
| 0x10380, 0x1039F, // Ugaritic |
| 0x103A0, 0x103DF, // Old Persian |
| 0x10400, 0x1044F, // Deseret |
| 0x10450, 0x1047F, // Shavian |
| 0x10480, 0x104AF, // Osmanya |
| 0x10800, 0x1083F, // Cypriot Syllabary |
| 0x10840, 0x1085F, // Imperial Aramaic |
| 0x10900, 0x1091F, // Phoenician |
| 0x10920, 0x1093F, // Lydian |
| 0x10A00, 0x10A5F, // Kharoshthi |
| 0x10A60, 0x10A7F, // Old South Arabian |
| 0x10B00, 0x10B3F, // Avestan |
| 0x10B40, 0x10B5F, // Inscriptional Parthian |
| 0x10B60, 0x10B7F, // Inscriptional Pahlavi |
| 0x10C00, 0x10C4F, // Old Turkic |
| 0x10E60, 0x10E7F, // Rumi Numeral Symbols |
| 0x11000, 0x1107F, // Brahmi |
| 0x11080, 0x110CF, // Kaithi |
| 0x12000, 0x123FF, // Cuneiform |
| 0x12400, 0x1247F, // Cuneiform Numbers and Punctuation |
| 0x13000, 0x1342F, // Egyptian Hieroglyphs |
| 0x16800, 0x16A3F, // Bamum Supplement |
| 0x1B000, 0x1B0FF, // Kana Supplement |
| 0x1D000, 0x1D0FF, // Byzantine Musical Symbols |
| 0x1D100, 0x1D1FF, // Musical Symbols |
| 0x1D200, 0x1D24F, // Ancient Greek Musical Notation |
| 0x1D300, 0x1D35F, // Tai Xuan Jing Symbols |
| 0x1D360, 0x1D37F, // Counting Rod Numerals |
| 0x1D400, 0x1D7FF, // Mathematical Alphanumeric Symbols |
| 0x1F000, 0x1F02F, // Mahjong Tiles |
| 0x1F030, 0x1F09F, // Domino Tiles |
| 0x1F0A0, 0x1F0FF, // Playing Cards |
| 0x1F100, 0x1F1FF, // Enclosed Alphanumeric Supplement |
| 0x1F200, 0x1F2FF, // Enclosed Ideographic Supplement |
| 0x1F300, 0x1F5FF, // Miscellaneous Symbols And Pictographs |
| 0x1F600, 0x1F64F, // Emoticons |
| 0x1F680, 0x1F6FF, // Transport And Map Symbols |
| 0x1F700, 0x1F77F, // Alchemical Symbols |
| 0x20000, 0x2A6DF, // CJK Unified Ideographs Extension B |
| 0x2A700, 0x2B73F, // CJK Unified Ideographs Extension C |
| 0x2B740, 0x2B81F, // CJK Unified Ideographs Extension D |
| 0x2F800, 0x2FA1F, // CJK Compatibility Ideographs Supplement |
| 0xE0000, 0xE007F, // Tags |
| 0xE0100, 0xE01EF, // Variation Selectors Supplement |
| 0xF0000, 0xFFFFF, // Supplementary Private Use Area-A |
| 0x100000, 0x10FFFF, // Supplementary Private Use Area-B |
| 0xFFFFFFFF |
| }; |
| |
| // Copyright (c) 2008-2010 Bjoern Hoehrmann <bjoern@hoehrmann.de> |
| // See http://bjoern.hoehrmann.de/utf-8/decoder/dfa/ for details. |
| |
| #define UTF8_ACCEPT 0u |
| |
| static const unsigned char utf8d[] = { |
| // The first part of the table maps bytes to character classes that |
| // to reduce the size of the transition table and create bitmasks. |
| 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, |
| 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, |
| 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, |
| 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, |
| 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9, |
| 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, |
| 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, |
| 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, |
| |
| // The second part is a transition table that maps a combination |
| // of a state of the automaton and a character class to a state. |
| 0,12,24,36,60,96,84,12,12,12,48,72, 12,12,12,12,12,12,12,12,12,12,12,12, |
| 12, 0,12,12,12,12,12, 0,12, 0,12,12, 12,24,12,12,12,12,12,24,12,24,12,12, |
| 12,12,12,12,12,12,12,24,12,12,12,12, 12,24,12,12,12,12,12,12,12,24,12,12, |
| 12,12,12,12,12,12,12,36,12,36,12,12, 12,36,12,12,12,12,12,36,12,36,12,12, |
| 12,36,12,12,12,12,12,12,12,12,12,12, |
| }; |
| |
| static unsigned inline decode(unsigned* state, unsigned* codep, unsigned byte) { |
| unsigned type = utf8d[byte]; |
| |
| *codep = (*state != UTF8_ACCEPT) ? |
| (byte & 0x3fu) | (*codep << 6) : |
| (0xffu >> type) & (byte); |
| |
| *state = utf8d[256 + *state + type]; |
| return *state; |
| } |
| |
| //static bool IsUTF8(unsigned char* s) { |
| // unsigned codepoint, state = 0; |
| // |
| // while (*s) |
| // decode(&state, &codepoint, *s++); |
| // |
| // return state == UTF8_ACCEPT; |
| //} |
| |
| TEST(EncodingsTest, UTF8) { |
| StringBuffer os, os2; |
| for (const unsigned* range = kCodepointRanges; *range != 0xFFFFFFFF; range += 2) { |
| for (unsigned codepoint = range[0]; codepoint <= range[1]; ++codepoint) { |
| os.Clear(); |
| UTF8<>::Encode(os, codepoint); |
| const char* encodedStr = os.GetString(); |
| |
| // Decode with Hoehrmann |
| { |
| unsigned decodedCodepoint = 0; |
| unsigned state = 0; |
| |
| unsigned decodedCount = 0; |
| for (const char* s = encodedStr; *s; ++s) |
| if (!decode(&state, &decodedCodepoint, static_cast<unsigned char>(*s))) { |
| EXPECT_EQ(codepoint, decodedCodepoint); |
| decodedCount++; |
| } |
| |
| if (*encodedStr) { // This decoder cannot handle U+0000 |
| EXPECT_EQ(1u, decodedCount); // Should only contain one code point |
| } |
| |
| EXPECT_EQ(UTF8_ACCEPT, state); |
| if (UTF8_ACCEPT != state) |
| std::cout << std::hex << codepoint << " " << decodedCodepoint << std::endl; |
| } |
| |
| // Decode |
| { |
| StringStream is(encodedStr); |
| unsigned decodedCodepoint; |
| bool result = UTF8<>::Decode(is, &decodedCodepoint); |
| EXPECT_TRUE(result); |
| EXPECT_EQ(codepoint, decodedCodepoint); |
| if (!result || codepoint != decodedCodepoint) |
| std::cout << std::hex << codepoint << " " << decodedCodepoint << std::endl; |
| } |
| |
| // Validate |
| { |
| StringStream is(encodedStr); |
| os2.Clear(); |
| bool result = UTF8<>::Validate(is, os2); |
| EXPECT_TRUE(result); |
| EXPECT_EQ(0, StrCmp(encodedStr, os2.GetString())); |
| } |
| } |
| } |
| } |
| |
| TEST(EncodingsTest, UTF16) { |
| GenericStringBuffer<UTF16<> > os, os2; |
| GenericStringBuffer<UTF8<> > utf8os; |
| for (const unsigned* range = kCodepointRanges; *range != 0xFFFFFFFF; range += 2) { |
| for (unsigned codepoint = range[0]; codepoint <= range[1]; ++codepoint) { |
| os.Clear(); |
| UTF16<>::Encode(os, codepoint); |
| const UTF16<>::Ch* encodedStr = os.GetString(); |
| |
| // Encode with Hoehrmann's code |
| if (codepoint != 0) // cannot handle U+0000 |
| { |
| // encode with UTF8<> first |
| utf8os.Clear(); |
| UTF8<>::Encode(utf8os, codepoint); |
| |
| // 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, static_cast<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())); |
| } |
| } |
| } |
| } |
| |
| TEST(EncodingsTest, ASCII) { |
| StringBuffer os, os2; |
| for (unsigned codepoint = 0; codepoint < 128; codepoint++) { |
| os.Clear(); |
| ASCII<>::Encode(os, codepoint); |
| const ASCII<>::Ch* encodedStr = os.GetString(); |
| { |
| StringStream is(encodedStr); |
| unsigned decodedCodepoint; |
| bool result = ASCII<>::Decode(is, &decodedCodepoint); |
| if (!result || codepoint != decodedCodepoint) |
| std::cout << std::hex << codepoint << " " << decodedCodepoint << std::endl; |
| } |
| |
| // Validate |
| { |
| StringStream is(encodedStr); |
| os2.Clear(); |
| bool result = ASCII<>::Validate(is, os2); |
| EXPECT_TRUE(result); |
| EXPECT_EQ(0, StrCmp(encodedStr, os2.GetString())); |
| } |
| } |
| } |
