/****************************************************************************** * * * * * Notepad3 * * * * Encoding.c * * General helper functions * * Based on code from Notepad2, (c) Florian Balmer 1996-2011 * * Parts taken from SciTE, (c) Neil Hodgson * * MinimizeToTray, (c) 2000 Matthew Ellis * * * * (c) Rizonesoft 2015-2018 * * https://rizonesoft.com * * * * * *******************************************************************************/ #if !defined(WINVER) #define WINVER 0x601 /*_WIN32_WINNT_WIN7*/ #endif #if !defined(_WIN32_WINNT) #define _WIN32_WINNT 0x601 /*_WIN32_WINNT_WIN7*/ #endif #if !defined(NTDDI_VERSION) #define NTDDI_VERSION 0x06010000 /*NTDDI_WIN7*/ #endif #define VC_EXTRALEAN 1 #include #include #include //#include "../uthash/utarray.h" #include "scintilla.h" #include "helpers.h" #include "encoding.h" extern HINSTANCE g_hInstance; //============================================================================= // // Encoding Helper Functions // int g_DOSEncoding; // Supported Encodings WCHAR wchANSI[16] = { L'\0' }; WCHAR wchOEM[16] = { L'\0' }; static NP2ENCODING g_Encodings[] = { { NCP_ANSI | NCP_RECODE, CP_ACP, "ansi,system,ascii,", 61000, L"" }, { NCP_OEM | NCP_RECODE, CP_OEMCP, "oem,oem,", 61001, L"" }, { NCP_UNICODE | NCP_UNICODE_BOM, CP_UTF8, "", 61002, L"" }, { NCP_UNICODE | NCP_UNICODE_REVERSE | NCP_UNICODE_BOM, CP_UTF8, "", 61003, L"" }, { NCP_UNICODE | NCP_RECODE, CP_UTF8, "utf-16,utf16,unicode,", 61004, L"" }, { NCP_UNICODE | NCP_UNICODE_REVERSE | NCP_RECODE, CP_UTF8, "utf-16be,utf16be,unicodebe,", 61005, L"" }, { NCP_UTF8 | NCP_RECODE, CP_UTF8, "utf-8,utf8,", 61006, L"" }, { NCP_UTF8 | NCP_UTF8_SIGN, CP_UTF8, "utf-8,utf8,", 61007, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, CP_UTF7, "utf-7,utf7,", 61008, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 720, "DOS-720,dos720,", 61009, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 28596, "iso-8859-6,iso88596,arabic,csisolatinarabic,ecma114,isoir127,", 61010, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 10004, "x-mac-arabic,xmacarabic,", 61011, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 1256, "windows-1256,windows1256,cp1256", 61012, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 775, "ibm775,ibm775,cp500,", 61013, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 28594, "iso-8859-4,iso88594,csisolatin4,isoir110,l4,latin4,", 61014, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 1257, "windows-1257,windows1257,", 61015, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 852, "ibm852,ibm852,cp852,", 61016, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 28592, "iso-8859-2,iso88592,csisolatin2,isoir101,latin2,l2,", 61017, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 10029, "x-mac-ce,xmacce,", 61018, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 1250, "windows-1250,windows1250,xcp1250,", 61019, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 936, "gb2312,gb2312,chinese,cngb,csgb2312,csgb231280,gb231280,gbk,", 61020, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 10008, "x-mac-chinesesimp,xmacchinesesimp,", 61021, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 950, "big5,big5,cnbig5,csbig5,xxbig5,", 61022, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 10002, "x-mac-chinesetrad,xmacchinesetrad,", 61023, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 10082, "x-mac-croatian,xmaccroatian,", 61024, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 866, "cp866,cp866,ibm866,", 61025, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 28595, "iso-8859-5,iso88595,csisolatin5,csisolatincyrillic,cyrillic,isoir144,", 61026, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 20866, "koi8-r,koi8r,cskoi8r,koi,koi8,", 61027, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 21866, "koi8-u,koi8u,koi8ru,", 61028, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 10007, "x-mac-cyrillic,xmaccyrillic,", 61029, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 1251, "windows-1251,windows1251,xcp1251,", 61030, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 28603, "iso-8859-13,iso885913,", 61031, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 863, "ibm863,ibm863,", 61032, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 737, "ibm737,ibm737,", 61033, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 28597, "iso-8859-7,iso88597,csisolatingreek,ecma118,elot928,greek,greek8,isoir126,", 61034, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 10006, "x-mac-greek,xmacgreek,", 61035, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 1253, "windows-1253,windows1253,", 61036, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 869, "ibm869,ibm869,", 61037, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 862, "DOS-862,dos862,", 61038, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 38598, "iso-8859-8-i,iso88598i,logical,", 61039, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 28598, "iso-8859-8,iso88598,csisolatinhebrew,hebrew,isoir138,visual,", 61040, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 10005, "x-mac-hebrew,xmachebrew,", 61041, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 1255, "windows-1255,windows1255,", 61042, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 861, "ibm861,ibm861,", 61043, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 10079, "x-mac-icelandic,xmacicelandic,", 61044, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 10001, "x-mac-japanese,xmacjapanese,", 61045, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 932, "shift_jis,shiftjis,shiftjs,csshiftjis,cswindows31j,mskanji,xmscp932,xsjis,", 61046, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 10003, "x-mac-korean,xmackorean,", 61047, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 949, "windows-949,windows949,ksc56011987,csksc5601,euckr,isoir149,korean,ksc56011989", 61048, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 28593, "iso-8859-3,iso88593,latin3,isoir109,l3,", 61049, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 28605, "iso-8859-15,iso885915,latin9,l9,", 61050, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 865, "ibm865,ibm865,", 61051, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 437, "ibm437,ibm437,437,cp437,cspc8,codepage437,", 61052, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 858, "ibm858,ibm858,ibm00858,", 61053, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 860, "ibm860,ibm860,", 61054, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 10010, "x-mac-romanian,xmacromanian,", 61055, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 10021, "x-mac-thai,xmacthai,", 61056, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 874, "windows-874,windows874,dos874,iso885911,tis620,", 61057, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 857, "ibm857,ibm857,", 61058, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 28599, "iso-8859-9,iso88599,latin5,isoir148,l5,", 61059, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 10081, "x-mac-turkish,xmacturkish,", 61060, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 1254, "windows-1254,windows1254,", 61061, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 10017, "x-mac-ukrainian,xmacukrainian,", 61062, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 1258, "windows-1258,windows-258,", 61063, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 850, "ibm850,ibm850,", 61064, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 28591, "iso-8859-1,iso88591,cp819,latin1,ibm819,isoir100,latin1,l1,", 61065, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 10000, "macintosh,macintosh,", 61066, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 1252, "windows-1252,windows1252,cp367,cp819,ibm367,us,xansi,", 61067, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 37, "ebcdic-cp-us,ebcdiccpus,ebcdiccpca,ebcdiccpwt,ebcdiccpnl,ibm037,cp037,", 61068, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 500, "x-ebcdic-international,xebcdicinternational,", 61069, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 875, "x-EBCDIC-GreekModern,xebcdicgreekmodern,", 61070, L"" }, { NCP_EXTERNAL_8BIT | NCP_RECODE, 1026, "CP1026,cp1026,csibm1026,ibm1026,", 61071, L"" }, //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 870, "CP870,cp870,ebcdiccproece,ebcdiccpyu,csibm870,ibm870,", 00000, L"" }, // IBM EBCDIC (Multilingual Latin-2) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 1047, "IBM01047,ibm01047,", 00000, L"" }, // IBM EBCDIC (Open System Latin-1) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 1140, "x-ebcdic-cp-us-euro,xebcdiccpuseuro,", 00000, L"" }, // IBM EBCDIC (US-Canada-Euro) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 1141, "x-ebcdic-germany-euro,xebcdicgermanyeuro,", 00000, L"" }, // IBM EBCDIC (Germany-Euro) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 1142, "x-ebcdic-denmarknorway-euro,xebcdicdenmarknorwayeuro,", 00000, L"" }, // IBM EBCDIC (Denmark-Norway-Euro) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 1143, "x-ebcdic-finlandsweden-euro,xebcdicfinlandswedeneuro,", 00000, L"" }, // IBM EBCDIC (Finland-Sweden-Euro) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 1144, "x-ebcdic-italy-euro,xebcdicitalyeuro,", 00000, L"" }, // IBM EBCDIC (Italy-Euro) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 1145, "x-ebcdic-spain-euro,xebcdicspaineuro,", 00000, L"" }, // IBM EBCDIC (Spain-Latin America-Euro) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 1146, "x-ebcdic-uk-euro,xebcdicukeuro,", 00000, L"" }, // IBM EBCDIC (UK-Euro) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 1147, "x-ebcdic-france-euro,xebcdicfranceeuro,", 00000, L"" }, // IBM EBCDIC (France-Euro) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 1148, "x-ebcdic-international-euro,xebcdicinternationaleuro,", 00000, L"" }, // IBM EBCDIC (International-Euro) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 1149, "x-ebcdic-icelandic-euro,xebcdicicelandiceuro,", 00000, L"" }, // IBM EBCDIC (Icelandic-Euro) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 1361, "johab,johab,", 00000, L"" }, // Korean (Johab) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20273, "x-EBCDIC-Germany,xebcdicgermany,", 00000, L"" }, // IBM EBCDIC (Germany) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20277, "x-EBCDIC-DenmarkNorway,xebcdicdenmarknorway,ebcdiccpdk,ebcdiccpno,", 00000, L"" }, // IBM EBCDIC (Denmark-Norway) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20278, "x-EBCDIC-FinlandSweden,xebcdicfinlandsweden,ebcdicpfi,ebcdiccpse,", 00000, L"" }, // IBM EBCDIC (Finland-Sweden) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20280, "x-EBCDIC-Italy,xebcdicitaly,", 00000, L"" }, // IBM EBCDIC (Italy) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20284, "x-EBCDIC-Spain,xebcdicspain,ebcdiccpes,", 00000, L"" }, // IBM EBCDIC (Spain-Latin America) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20285, "x-EBCDIC-UK,xebcdicuk,ebcdiccpgb,", 00000, L"" }, // IBM EBCDIC (UK) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20290, "x-EBCDIC-JapaneseKatakana,xebcdicjapanesekatakana,", 00000, L"" }, // IBM EBCDIC (Japanese Katakana) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20297, "x-EBCDIC-France,xebcdicfrance,ebcdiccpfr,", 00000, L"" }, // IBM EBCDIC (France) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20420, "x-EBCDIC-Arabic,xebcdicarabic,ebcdiccpar1,", 00000, L"" }, // IBM EBCDIC (Arabic) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20423, "x-EBCDIC-Greek,xebcdicgreek,ebcdiccpgr,", 00000, L"" }, // IBM EBCDIC (Greek) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20424, "x-EBCDIC-Hebrew,xebcdichebrew,ebcdiccphe,", 00000, L"" }, // IBM EBCDIC (Hebrew) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20833, "x-EBCDIC-KoreanExtended,xebcdickoreanextended,", 00000, L"" }, // IBM EBCDIC (Korean Extended) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20838, "x-EBCDIC-Thai,xebcdicthai,ibmthai,csibmthai,", 00000, L"" }, // IBM EBCDIC (Thai) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20871, "x-EBCDIC-Icelandic,xebcdicicelandic,ebcdiccpis,", 00000, L"" }, // IBM EBCDIC (Icelandic) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20880, "x-EBCDIC-CyrillicRussian,xebcdiccyrillicrussian,ebcdiccyrillic,", 00000, L"" }, // IBM EBCDIC (Cyrillic Russian) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20905, "x-EBCDIC-Turkish,xebcdicturkish,ebcdiccptr,", 00000, L"" }, // IBM EBCDIC (Turkish) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20924, "IBM00924,ibm00924,ebcdiclatin9euro,", 00000, L"" }, // IBM EBCDIC (Open System-Euro Latin-1) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 21025, "x-EBCDIC-CyrillicSerbianBulgarian,xebcdiccyrillicserbianbulgarian,", 00000, L"" }, // IBM EBCDIC (Cyrillic Serbian-Bulgarian) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 50930, "x-EBCDIC-JapaneseAndKana,xebcdicjapaneseandkana,", 00000, L"" }, // IBM EBCDIC (Japanese and Japanese Katakana) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 50931, "x-EBCDIC-JapaneseAndUSCanada,xebcdicjapaneseanduscanada,", 00000, L"" }, // IBM EBCDIC (Japanese and US-Canada) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 50933, "x-EBCDIC-KoreanAndKoreanExtended,xebcdickoreanandkoreanextended,", 00000, L"" }, // IBM EBCDIC (Korean and Korean Extended) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 50935, "x-EBCDIC-SimplifiedChinese,xebcdicsimplifiedchinese,", 00000, L"" }, // IBM EBCDIC (Chinese Simplified) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 50937, "x-EBCDIC-TraditionalChinese,xebcdictraditionalchinese,", 00000, L"" }, // IBM EBCDIC (Chinese Traditional) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 50939, "x-EBCDIC-JapaneseAndJapaneseLatin,xebcdicjapaneseandjapaneselatin,", 00000, L"" }, // IBM EBCDIC (Japanese and Japanese-Latin) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20105, "x-IA5,xia5,", 00000, L"" }, // Western European (IA5) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20106, "x-IA5-German,xia5german,", 00000, L"" }, // German (IA5) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20107, "x-IA5-Swedish,xia5swedish,", 00000, L"" }, // Swedish (IA5) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20108, "x-IA5-Norwegian,xia5norwegian,", 00000, L"" }, // Norwegian (IA5) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20936, "x-cp20936,xcp20936,", 00000, L"" }, // Chinese Simplified (GB2312) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20932, "euc-jp,,", 00000, L"" }, // Japanese (JIS X 0208-1990 & 0212-1990) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 50220, "iso-2022-jp,iso2022jp,", 00000, L"" }, // Japanese (JIS) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 50221, "csISO2022JP,csiso2022jp,", 00000, L"" }, // Japanese (JIS-Allow 1 byte Kana) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 50222, "_iso-2022-jp$SIO,iso2022jpSIO,", 00000, L"" }, // Japanese (JIS-Allow 1 byte Kana - SO/SI) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 50225, "iso-2022-kr,iso2022kr,csiso2022kr,", 00000, L"" }, // Korean (ISO-2022-KR) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 50227, "x-cp50227,xcp50227,", 00000, L"" }, // Chinese Simplified (ISO-2022) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 50229, "iso-2022-cn,iso2022cn,", 00000, L"" }, // Chinese Traditional (ISO-2022) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20000, "x-Chinese-CNS,xchinesecns,", 00000, L"" }, // Chinese Traditional (CNS) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20002, "x-Chinese-Eten,xchineseeten,", 00000, L"" }, // Chinese Traditional (Eten) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 51932, "euc-jp,eucjp,xeuc,xeucjp,", 00000, L"" }, // Japanese (EUC) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 51936, "euc-cn,euccn,xeuccn,", 00000, L"" }, // Chinese Simplified (EUC) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 51949, "euc-kr,euckr,cseuckr,", 00000, L"" }, // Korean (EUC) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 52936, "hz-gb-2312,hzgb2312,hz,", 00000, L"" }, // Chinese Simplified (HZ-GB2312) { NCP_EXTERNAL_8BIT | NCP_RECODE, 54936, "gb18030,gb18030,", 61072, L"" } // Chinese Simplified (GB18030) //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 57002, "x-iscii-de,xisciide,", 00000, L"" }, // ISCII Devanagari //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 57003, "x-iscii-be,xisciibe,", 00000, L"" }, // ISCII Bengali //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 57004, "x-iscii-ta,xisciita,", 00000, L"" }, // ISCII Tamil //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 57005, "x-iscii-te,xisciite,", 00000, L"" }, // ISCII Telugu //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 57006, "x-iscii-as,xisciias,", 00000, L"" }, // ISCII Assamese //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 57007, "x-iscii-or,xisciior,", 00000, L"" }, // ISCII Oriya //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 57008, "x-iscii-ka,xisciika,", 00000, L"" }, // ISCII Kannada //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 57009, "x-iscii-ma,xisciima,", 00000, L"" }, // ISCII Malayalam //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 57010, "x-iscii-gu,xisciigu,", 00000, L"" }, // ISCII Gujarathi //{ NCP_EXTERNAL_8BIT|NCP_RECODE, 57011, "x-iscii-pa,xisciipa,", 00000, L"" }, // ISCII Panjabi }; int Encoding_CountOf() { return COUNTOF(g_Encodings); } int Encoding_Current(int iEncoding) { static int CurrentEncoding = CPI_NONE; if (iEncoding >= 0) { if (Encoding_IsValid(iEncoding)) CurrentEncoding = iEncoding; else CurrentEncoding = CPI_UTF8; } return CurrentEncoding; } int Encoding_SrcCmdLn(int iSrcEncoding) { static int SourceEncoding = CPI_NONE; if (iSrcEncoding >= 0) { if (Encoding_IsValid(iSrcEncoding)) SourceEncoding = iSrcEncoding; else SourceEncoding = CPI_UTF8; } else if (iSrcEncoding == CPI_NONE) { SourceEncoding = CPI_NONE; } return SourceEncoding; } int Encoding_SrcWeak(int iSrcWeakEnc) { static int SourceWeakEncoding = CPI_NONE; if (iSrcWeakEnc >= 0) { if (Encoding_IsValid(iSrcWeakEnc)) SourceWeakEncoding = iSrcWeakEnc; else SourceWeakEncoding = CPI_ANSI_DEFAULT; } else if (iSrcWeakEnc == CPI_NONE) { SourceWeakEncoding = CPI_NONE; } return SourceWeakEncoding; } BOOL Encoding_HasChanged(int iOriginalEncoding) { static int OriginalEncoding = CPI_NONE; if (iOriginalEncoding >= CPI_NONE) { OriginalEncoding = iOriginalEncoding; } return (BOOL)(OriginalEncoding != Encoding_Current(CPI_GET)); } // ============================================================================ void Encoding_InitDefaults() { const UINT uCodePageMBCS[20] = { 42, // (Symbol) 50220,50221,50222,50225,50227,50229, // (Chinese, Japanese, Korean) 54936, // (GB18030) 57002,57003,57004,57005,57006,57007,57008,57009,57010,57011, // (ISCII) 65000, // (UTF-7) 65001 // (UTF-8) }; g_Encodings[CPI_ANSI_DEFAULT].uCodePage = GetACP(); // set ANSI system CP StringCchPrintf(wchANSI, COUNTOF(wchANSI), L" (CP-%u)", g_Encodings[CPI_ANSI_DEFAULT].uCodePage); for (int i = CPI_UTF7 + 1; i < COUNTOF(g_Encodings); ++i) { if (Encoding_IsValid(i) && (g_Encodings[i].uCodePage == g_Encodings[CPI_ANSI_DEFAULT].uCodePage)) { g_Encodings[i].uFlags |= NCP_ANSI; if (g_Encodings[i].uFlags & NCP_EXTERNAL_8BIT) g_Encodings[CPI_ANSI_DEFAULT].uFlags |= NCP_EXTERNAL_8BIT; break; } } g_Encodings[CPI_OEM].uCodePage = GetOEMCP(); StringCchPrintf(wchOEM, COUNTOF(wchOEM), L" (CP-%u)", g_Encodings[CPI_OEM].uCodePage); for (int i = CPI_UTF7 + 1; i < COUNTOF(g_Encodings); ++i) { if (Encoding_IsValid(i) && (g_Encodings[i].uCodePage == g_Encodings[CPI_OEM].uCodePage)) { g_Encodings[i].uFlags |= NCP_OEM; if (g_Encodings[i].uFlags & NCP_EXTERNAL_8BIT) g_Encodings[CPI_OEM].uFlags |= NCP_EXTERNAL_8BIT; break; } } // multi byte character sets for (int i = 0; i < COUNTOF(g_Encodings); ++i) { for (int k = 0; k < COUNTOF(uCodePageMBCS); k++) { if (g_Encodings[i].uCodePage == uCodePageMBCS[k]) { g_Encodings[i].uFlags |= NCP_MBCS; } } } g_DOSEncoding = CPI_OEM; // Try to set the DOS encoding to DOS-437 if the default OEMCP is not DOS-437 if (g_Encodings[g_DOSEncoding].uCodePage != 437) { for (int i = CPI_UTF7 + 1; i < COUNTOF(g_Encodings); ++i) { if (Encoding_IsValid(i) && (g_Encodings[i].uCodePage == 437)) { g_DOSEncoding = i; break; } } } } // ============================================================================ int Encoding_MapIniSetting(BOOL bLoad, int iSetting) { if (bLoad) { switch (iSetting) { case -1: return CPI_NONE; case 0: return CPI_ANSI_DEFAULT; case 1: return CPI_UNICODEBOM; case 2: return CPI_UNICODEBEBOM; case 3: return CPI_UTF8; case 4: return CPI_UTF8SIGN; case 5: return CPI_OEM; case 6: return CPI_UNICODE; case 7: return CPI_UNICODEBE; case 8: return CPI_UTF7; default: { for (int i = CPI_UTF7 + 1; i < COUNTOF(g_Encodings); i++) { if ((g_Encodings[i].uCodePage == (UINT)iSetting) && Encoding_IsValid(i)) return(i); } return CPI_ANSI_DEFAULT; } } } else { switch (iSetting) { case CPI_NONE: return -1; case CPI_ANSI_DEFAULT: return 0; case CPI_UNICODEBOM: return 1; case CPI_UNICODEBEBOM: return 2; case CPI_UTF8: return 3; case CPI_UTF8SIGN: return 4; case CPI_OEM: return 5; case CPI_UNICODE: return 6; case CPI_UNICODEBE: return 7; case CPI_UTF7: return 8; default: { if (Encoding_IsValid(iSetting)) return(g_Encodings[iSetting].uCodePage); else return CPI_ANSI_DEFAULT; } } } } // ============================================================================ int Encoding_MapUnicode(int iUni) { if (iUni == CPI_UNICODEBOM) return CPI_UNICODE; else if (iUni == CPI_UNICODEBEBOM) return CPI_UNICODEBE; else if (iUni == CPI_UTF8SIGN) return CPI_UTF8; else return iUni; } // ============================================================================ void Encoding_SetLabel(int iEncoding) { if (g_Encodings[iEncoding].wchLabel[0] == L'\0') { WCHAR wch1[128] = { L'\0' }; WCHAR wch2[128] = { L'\0' }; GetString(g_Encodings[iEncoding].idsName, wch1, COUNTOF(wch1)); WCHAR *pwsz = StrChr(wch1, L';'); if (pwsz) { pwsz = StrChr(CharNext(pwsz), L';'); if (pwsz) { pwsz = CharNext(pwsz); } } if (!pwsz) pwsz = wch1; StringCchCopyN(wch2, COUNTOF(wch2), pwsz, COUNTOF(wch1)); if (Encoding_IsANSI(iEncoding)) StringCchCatN(wch2, COUNTOF(wch2), wchANSI, COUNTOF(wchANSI)); else if (Encoding_IsOEM(iEncoding)) StringCchCatN(wch2, COUNTOF(wch2), wchOEM, COUNTOF(wchOEM)); StringCchCopyN(g_Encodings[iEncoding].wchLabel, COUNTOF(g_Encodings[iEncoding].wchLabel), wch2, COUNTOF(g_Encodings[iEncoding].wchLabel)); } } // ============================================================================ int Encoding_MatchW(LPCWSTR pwszTest) { char tchTest[256] = { '\0' }; WideCharToMultiByteStrg(CP_ACP, pwszTest, tchTest); return(Encoding_MatchA(tchTest)); } // ============================================================================ int Encoding_MatchA(char *pchTest) { char chTest[256] = { '\0' }; char *pchSrc = pchTest; char *pchDst = chTest; *pchDst++ = ','; while (*pchSrc) { if (IsCharAlphaNumericA(*pchSrc)) *pchDst++ = *CharLowerA(pchSrc); pchSrc++; } *pchDst++ = ','; *pchDst = 0; for (int i = 0; i < COUNTOF(g_Encodings); i++) { if (StrStrIA(g_Encodings[i].pszParseNames, chTest)) { CPINFO cpi; if ((g_Encodings[i].uFlags & NCP_INTERNAL) || IsValidCodePage(g_Encodings[i].uCodePage) && GetCPInfo(g_Encodings[i].uCodePage, &cpi)) return(i); else return(-1); } } return(-1); } // ============================================================================ int Encoding_GetByCodePage(UINT cp) { for (int i = 0; i < COUNTOF(g_Encodings); i++) { if (cp == g_Encodings[i].uCodePage) { return i; } } return CPI_ANSI_DEFAULT; } // ============================================================================ BOOL Encoding_IsValid(int iTestEncoding) { CPINFO cpi; if ((iTestEncoding >= 0) && (iTestEncoding < COUNTOF(g_Encodings))) { if ((g_Encodings[iTestEncoding].uFlags & NCP_INTERNAL) || IsValidCodePage(g_Encodings[iTestEncoding].uCodePage) && GetCPInfo(g_Encodings[iTestEncoding].uCodePage, &cpi)) { return(TRUE); } } return(FALSE); } // ============================================================================ typedef struct _ee { int id; WCHAR wch[256]; } ENCODINGENTRY, *PENCODINGENTRY; int CmpEncoding(const void *s1, const void *s2) { return StrCmp(((PENCODINGENTRY)s1)->wch, ((PENCODINGENTRY)s2)->wch); } // ============================================================================ void Encoding_AddToListView(HWND hwnd, int idSel, BOOL bRecodeOnly) { int i; int iSelItem = -1; LVITEM lvi; WCHAR wchBuf[256] = { L'\0' }; PENCODINGENTRY pEE = LocalAlloc(LPTR, COUNTOF(g_Encodings) * sizeof(ENCODINGENTRY)); for (i = 0; i < COUNTOF(g_Encodings); i++) { pEE[i].id = i; GetString(g_Encodings[i].idsName, pEE[i].wch, COUNTOF(pEE[i].wch)); } qsort(pEE, COUNTOF(g_Encodings), sizeof(ENCODINGENTRY), CmpEncoding); ZeroMemory(&lvi, sizeof(LVITEM)); lvi.mask = LVIF_PARAM | LVIF_TEXT | LVIF_IMAGE; lvi.pszText = wchBuf; for (i = 0; i < COUNTOF(g_Encodings); i++) { int id = pEE[i].id; if (!bRecodeOnly || (g_Encodings[id].uFlags & NCP_RECODE)) { lvi.iItem = ListView_GetItemCount(hwnd); WCHAR *pwsz = StrChr(pEE[i].wch, L';'); if (pwsz) { StringCchCopyN(wchBuf, COUNTOF(wchBuf), CharNext(pwsz), COUNTOF(wchBuf)); pwsz = StrChr(wchBuf, L';'); if (pwsz) *pwsz = 0; } else StringCchCopyN(wchBuf, COUNTOF(wchBuf), pEE[i].wch, COUNTOF(wchBuf)); if (Encoding_IsANSI(id)) StringCchCatN(wchBuf, COUNTOF(wchBuf), wchANSI, COUNTOF(wchANSI)); else if (Encoding_IsOEM(id)) StringCchCatN(wchBuf, COUNTOF(wchBuf), wchOEM, COUNTOF(wchOEM)); if (Encoding_IsValid(id)) lvi.iImage = 0; else lvi.iImage = 1; lvi.lParam = (LPARAM)id; ListView_InsertItem(hwnd, &lvi); if (idSel == id) iSelItem = lvi.iItem; } } LocalFree(pEE); if (iSelItem != -1) { ListView_SetItemState(hwnd, iSelItem, LVIS_SELECTED | LVIS_FOCUSED, LVIS_SELECTED | LVIS_FOCUSED); ListView_EnsureVisible(hwnd, iSelItem, FALSE); } else { ListView_SetItemState(hwnd, 0, LVIS_FOCUSED, LVIS_FOCUSED); ListView_EnsureVisible(hwnd, 0, FALSE); } } // ============================================================================ BOOL Encoding_GetFromListView(HWND hwnd, int *pidEncoding) { LVITEM lvi; lvi.iItem = ListView_GetNextItem(hwnd, -1, LVNI_ALL | LVNI_SELECTED); lvi.iSubItem = 0; lvi.mask = LVIF_PARAM; if (ListView_GetItem(hwnd, &lvi)) { if (Encoding_IsValid((int)lvi.lParam)) *pidEncoding = (int)lvi.lParam; else *pidEncoding = -1; return (TRUE); } return(FALSE); } // ============================================================================ void Encoding_AddToComboboxEx(HWND hwnd, int idSel, BOOL bRecodeOnly) { int i; int iSelItem = -1; COMBOBOXEXITEM cbei; WCHAR wchBuf[256] = { L'\0' }; PENCODINGENTRY pEE = LocalAlloc(LPTR, COUNTOF(g_Encodings) * sizeof(ENCODINGENTRY)); for (i = 0; i < COUNTOF(g_Encodings); i++) { pEE[i].id = i; GetString(g_Encodings[i].idsName, pEE[i].wch, COUNTOF(pEE[i].wch)); } qsort(pEE, COUNTOF(g_Encodings), sizeof(ENCODINGENTRY), CmpEncoding); ZeroMemory(&cbei, sizeof(COMBOBOXEXITEM)); cbei.mask = CBEIF_TEXT | CBEIF_IMAGE | CBEIF_SELECTEDIMAGE | CBEIF_LPARAM; cbei.pszText = wchBuf; cbei.cchTextMax = COUNTOF(wchBuf); cbei.iImage = 0; cbei.iSelectedImage = 0; for (i = 0; i < COUNTOF(g_Encodings); i++) { int id = pEE[i].id; if (!bRecodeOnly || (g_Encodings[id].uFlags & NCP_RECODE)) { cbei.iItem = SendMessage(hwnd, CB_GETCOUNT, 0, 0); WCHAR *pwsz = StrChr(pEE[i].wch, L';'); if (pwsz) { StringCchCopyN(wchBuf, COUNTOF(wchBuf), CharNext(pwsz), COUNTOF(wchBuf)); pwsz = StrChr(wchBuf, L';'); if (pwsz) *pwsz = 0; } else StringCchCopyN(wchBuf, COUNTOF(wchBuf), pEE[i].wch, COUNTOF(wchBuf)); if (Encoding_IsANSI(id)) StringCchCatN(wchBuf, COUNTOF(wchBuf), wchANSI, COUNTOF(wchANSI)); else if (id == CPI_OEM) StringCchCatN(wchBuf, COUNTOF(wchBuf), wchOEM, COUNTOF(wchOEM)); cbei.iImage = (Encoding_IsValid(id) ? 0 : 1); cbei.lParam = (LPARAM)id; SendMessage(hwnd, CBEM_INSERTITEM, 0, (LPARAM)&cbei); if (idSel == id) iSelItem = (int)cbei.iItem; } } LocalFree(pEE); if (iSelItem != -1) SendMessage(hwnd, CB_SETCURSEL, (WPARAM)iSelItem, 0); } // ============================================================================ BOOL Encoding_GetFromComboboxEx(HWND hwnd, int *pidEncoding) { COMBOBOXEXITEM cbei; cbei.iItem = SendMessage(hwnd, CB_GETCURSEL, 0, 0); cbei.mask = CBEIF_LPARAM; if (SendMessage(hwnd, CBEM_GETITEM, 0, (LPARAM)&cbei)) { if (Encoding_IsValid((int)cbei.lParam)) *pidEncoding = (int)cbei.lParam; else *pidEncoding = -1; return (TRUE); } return(FALSE); } // ============================================================================ UINT Encoding_GetCodePage(int iEncoding) { return g_Encodings[iEncoding].uCodePage; } // ============================================================================ BOOL Encoding_IsDefault(int iEncoding) { return (g_Encodings[iEncoding].uFlags & NCP_DEFAULT); } // ============================================================================ BOOL Encoding_IsANSI(int iEncoding) { return (g_Encodings[iEncoding].uFlags & NCP_ANSI); } // ============================================================================ BOOL Encoding_IsOEM(int iEncoding) { return (g_Encodings[iEncoding].uFlags & NCP_OEM); } // ============================================================================ BOOL Encoding_IsUTF8(int iEncoding) { return (g_Encodings[iEncoding].uFlags & NCP_UTF8); } // ============================================================================ BOOL Encoding_IsUTF8_SIGN(int iEncoding) { return (g_Encodings[iEncoding].uFlags & NCP_UTF8_SIGN); } // ============================================================================ BOOL Encoding_IsMBCS(int iEncoding) { return (g_Encodings[iEncoding].uFlags & NCP_MBCS); } // ============================================================================ BOOL Encoding_IsUNICODE(int iEncoding) { return (g_Encodings[iEncoding].uFlags & NCP_UNICODE); } // ============================================================================ BOOL Encoding_IsUNICODE_BOM(int iEncoding) { return (g_Encodings[iEncoding].uFlags & NCP_UNICODE_BOM); } // ============================================================================ BOOL Encoding_IsUNICODE_REVERSE(int iEncoding) { return (g_Encodings[iEncoding].uFlags & NCP_UNICODE_REVERSE); } // ============================================================================ BOOL Encoding_IsINTERNAL(int iEncoding) { return (g_Encodings[iEncoding].uFlags & NCP_INTERNAL); } // ============================================================================ BOOL Encoding_IsEXTERNAL_8BIT(int iEncoding) { return (g_Encodings[iEncoding].uFlags & NCP_EXTERNAL_8BIT); } // ============================================================================ BOOL Encoding_IsRECODE(int iEncoding) { return (g_Encodings[iEncoding].uFlags & NCP_RECODE); } // ============================================================================ void Encoding_SetDefaultFlag(int iEncoding) { g_Encodings[iEncoding].uFlags |= NCP_DEFAULT; } // ============================================================================ const WCHAR* Encoding_GetLabel(int iEncoding) { return g_Encodings[iEncoding].wchLabel; } // ============================================================================ const char* Encoding_GetParseNames(int iEncoding) { return g_Encodings[iEncoding].pszParseNames; } // ============================================================================ UINT Encoding_SciGetCodePage(HWND hwnd) { UNUSED(hwnd); return CP_UTF8; // remove internal support for Chinese, Japan, Korean DBCS use UTF-8 instead /* int cp = (UINT)SendMessage(hwnd,SCI_GETCODEPAGE,0,0); if (cp == 932 || cp == 936 || cp == 949 || cp == 950) { return cp; } return (cp == 0) ? CP_ACP : CP_UTF8; */ } // ============================================================================ int Encoding_SciMappedCodePage(int iEncoding) { UNUSED(iEncoding); return SC_CP_UTF8; // remove internal support for Chinese, Japan, Korean DBCS use UTF-8 instead /* if (Encoding_IsValid(iEncoding)) { // check for Chinese, Japan, Korean DBCS code pages and switch accordingly int cp = (int)g_Encodings[iEncoding].uCodePage; if (cp == 932 || cp == 936 || cp == 949 || cp == 950) { return cp; } } */ } // ============================================================================ void Encoding_SciSetCodePage(HWND hwnd, int iEncoding) { int cp = Encoding_SciMappedCodePage(iEncoding); SendMessage(hwnd, SCI_SETCODEPAGE, (WPARAM)cp, 0); // charsets can be changed via styles schema /* int charset = SC_CHARSET_ANSI; switch (cp) { case 932: charset = SC_CHARSET_SHIFTJIS; break; case 936: charset = SC_CHARSET_GB2312; break; case 949: charset = SC_CHARSET_HANGUL; break; case 950: charset = SC_CHARSET_CHINESEBIG5; break; default: charset = g_iDefaultCharSet; break; } SendMessage(hwnd,SCI_STYLESETCHARACTERSET,(WPARAM)STYLE_DEFAULT,(LPARAM)charset); */ } // ============================================================================ extern BOOL bSkipUnicodeDetection; BOOL IsUnicode(const char* pBuffer, int cb, LPBOOL lpbBOM, LPBOOL lpbReverse) { int i = 0xFFFF; BOOL bIsTextUnicode; BOOL bHasBOM; BOOL bHasRBOM; if (!pBuffer || cb < 2) return FALSE; if (!bSkipUnicodeDetection) bIsTextUnicode = IsTextUnicode(pBuffer, cb, &i); else bIsTextUnicode = FALSE; bHasBOM = (*((UNALIGNED PWCHAR)pBuffer) == 0xFEFF); bHasRBOM = (*((UNALIGNED PWCHAR)pBuffer) == 0xFFFE); if (i == 0xFFFF) // i doesn't seem to have been modified ... i = 0; if (bIsTextUnicode || bHasBOM || bHasRBOM || ((i & (IS_TEXT_UNICODE_UNICODE_MASK | IS_TEXT_UNICODE_REVERSE_MASK)) && !((i & IS_TEXT_UNICODE_UNICODE_MASK) && (i & IS_TEXT_UNICODE_REVERSE_MASK)) && !(i & IS_TEXT_UNICODE_ODD_LENGTH) && !(i & IS_TEXT_UNICODE_ILLEGAL_CHARS && !(i & IS_TEXT_UNICODE_REVERSE_SIGNATURE)) && !((i & IS_TEXT_UNICODE_REVERSE_MASK) == IS_TEXT_UNICODE_REVERSE_STATISTICS))) { if (lpbBOM) *lpbBOM = (bHasBOM || bHasRBOM || (i & (IS_TEXT_UNICODE_SIGNATURE | IS_TEXT_UNICODE_REVERSE_SIGNATURE))) ? TRUE : FALSE; if (lpbReverse) *lpbReverse = (bHasRBOM || (i & IS_TEXT_UNICODE_REVERSE_MASK)) ? TRUE : FALSE; return TRUE; } else return FALSE; } // ============================================================================ BOOL IsUTF8(const char* pTest, int nLength) { static int byte_class_table[256] = { /* 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F */ /* 00 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 10 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 20 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 30 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 40 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 50 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 60 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 70 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 80 */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 90 */ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, /* A0 */ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, /* B0 */ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, /* C0 */ 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, /* D0 */ 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, /* E0 */ 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 8, 7, 7, /* F0 */ 9,10,10,10,11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4 /* 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F */ }; /* state table */ typedef enum { kSTART = 0, kA, kB, kC, kD, kE, kF, kG, kERROR, kNumOfStates } utf8_state; static utf8_state state_table[] = { /* kSTART, kA, kB, kC, kD, kE, kF, kG, kERROR */ /* 0x00-0x7F: 0 */ kSTART, kERROR, kERROR, kERROR, kERROR, kERROR, kERROR, kERROR, kERROR, /* 0x80-0x8F: 1 */ kERROR, kSTART, kA, kERROR, kA, kB, kERROR, kB, kERROR, /* 0x90-0x9f: 2 */ kERROR, kSTART, kA, kERROR, kA, kB, kB, kERROR, kERROR, /* 0xa0-0xbf: 3 */ kERROR, kSTART, kA, kA, kERROR, kB, kB, kERROR, kERROR, /* 0xc0-0xc1, 0xf5-0xff: 4 */ kERROR, kERROR, kERROR, kERROR, kERROR, kERROR, kERROR, kERROR, kERROR, /* 0xc2-0xdf: 5 */ kA, kERROR, kERROR, kERROR, kERROR, kERROR, kERROR, kERROR, kERROR, /* 0xe0: 6 */ kC, kERROR, kERROR, kERROR, kERROR, kERROR, kERROR, kERROR, kERROR, /* 0xe1-0xec, 0xee-0xef: 7 */ kB, kERROR, kERROR, kERROR, kERROR, kERROR, kERROR, kERROR, kERROR, /* 0xed: 8 */ kD, kERROR, kERROR, kERROR, kERROR, kERROR, kERROR, kERROR, kERROR, /* 0xf0: 9 */ kF, kERROR, kERROR, kERROR, kERROR, kERROR, kERROR, kERROR, kERROR, /* 0xf1-0xf3: 10 */ kE, kERROR, kERROR, kERROR, kERROR, kERROR, kERROR, kERROR, kERROR, /* 0xf4: 11 */ kG, kERROR, kERROR, kERROR, kERROR, kERROR, kERROR, kERROR, kERROR }; #define BYTE_CLASS(b) (byte_class_table[(unsigned char)b]) #define NEXT_STATE(b,cur) (state_table[(BYTE_CLASS(b) * kNumOfStates) + (cur)]) utf8_state current = kSTART; int i; const char* pt = pTest; int len = nLength; for (i = 0; i < len; i++, pt++) { current = NEXT_STATE(*pt, current); if (kERROR == current) break; } return (current == kSTART) ? TRUE : FALSE; } // ============================================================================ BOOL IsUTF7(const char* pTest, int nLength) { int i; const char *pt = pTest; for (i = 0; i < nLength; i++) { if (*pt & 0x80 || !*pt) return FALSE; pt++; } return TRUE; } // ============================================================================ /* byte length of UTF-8 sequence based on value of first byte. for UTF-16 (21-bit space), max. code length is 4, so we only need to look at 4 upper bits. */ static const INT utf8_lengths[16] = { 1,1,1,1,1,1,1,1, /* 0000 to 0111 : 1 byte (plain ASCII) */ 0,0,0,0, /* 1000 to 1011 : not valid */ 2,2, /* 1100, 1101 : 2 bytes */ 3, /* 1110 : 3 bytes */ 4 /* 1111 :4 bytes */ }; // ============================================================================ /*++ Function : UTF8_mbslen_bytes [INTERNAL] Calculates the byte size of a NULL-terminated UTF-8 string. Parameters : char *utf8_string : string to examine Return value : size (in bytes) of a NULL-terminated UTF-8 string. -1 if invalid NULL-terminated UTF-8 string --*/ INT UTF8_mbslen_bytes(LPCSTR utf8_string) { INT length = 0; INT code_size; BYTE byte; while (*utf8_string) { byte = (BYTE)*utf8_string; if ((byte <= 0xF7) && (0 != (code_size = utf8_lengths[byte >> 4]))) { length += code_size; utf8_string += code_size; } else { /* we got an invalid byte value but need to count it, it will be later ignored during the string conversion */ //WARN("invalid first byte value 0x%02X in UTF-8 sequence!\n",byte); length++; utf8_string++; } } length++; /* include NULL terminator */ return length; } // ============================================================================ /*++ Function : UTF8_mbslen [INTERNAL] Calculates the character size of a NULL-terminated UTF-8 string. Parameters : char *utf8_string : string to examine int byte_length : byte size of string Return value : size (in characters) of a UTF-8 string. -1 if invalid UTF-8 string --*/ INT UTF8_mbslen(LPCSTR source, INT byte_length) { INT wchar_length = 0; INT code_size; BYTE byte; while (byte_length > 0) { byte = (BYTE)*source; /* UTF-16 can't encode 5-byte and 6-byte sequences, so maximum value for first byte is 11110111. Use lookup table to determine sequence length based on upper 4 bits of first byte */ if ((byte <= 0xF7) && (0 != (code_size = utf8_lengths[byte >> 4]))) { /* 1 sequence == 1 character */ wchar_length++; if (code_size == 4) wchar_length++; source += code_size; /* increment pointer */ byte_length -= code_size; /* decrement counter*/ } else { /* unlike UTF8_mbslen_bytes, we ignore the invalid characters. we only report the number of valid characters we have encountered to match the Windows behavior. */ //WARN("invalid byte 0x%02X in UTF-8 sequence, skipping it!\n", // byte); source++; byte_length--; } } return wchar_length; } // ============================================================================ /* * Copyright (C) 2006-2016 Wu Yongwei * * This software is provided 'as-is', without any express or implied * warranty. In no event will the authors be held liable for any * damages arising from the use of this software. * * Permission is granted to anyone to use this software for any purpose, * including commercial applications, and to alter it and redistribute * it freely, subject to the following restrictions: * * 1. The origin of this software must not be misrepresented; you must * not claim that you wrote the original software. If you use this * software in a product, an acknowledgement in the product * documentation would be appreciated but is not required. * 2. Altered source versions must be plainly marked as such, and must * not be misrepresented as being the original software. * 3. This notice may not be removed or altered from any source * distribution. * * * The latest version of this software should be available at: * * */ /** * @file TellEnc.c * * Program to detect the encoding of text. It currently supports ASCII, * UTF-8, UTF-16/32 (little-endian or big-endian), Latin1, Windows-1252, * CP437, GB2312, GBK, Big5, and SJIS, among others. * * @version 1.22, 2016/07/26 * @author Wu Yongwei */ typedef unsigned short uint16_t; typedef unsigned int uint32_t; typedef struct _char_count_t { uint16_t first; uint32_t second; } char_count_t; //typedef pair char_count_t; //typedef map char_count_map_t; //typedef vector char_count_vec_t; typedef struct _freq_analysis_data_t { uint16_t dbyte; const char* enc; } freq_analysis_data_t; typedef enum { UTF8_INVALID, UTF8_1, UTF8_2, UTF8_3, UTF8_4, UTF8_TAIL } UTF8_State; #define MAX_CHAR 256 static const unsigned char NON_TEXT_CHARS[] = { 0, 26, 127, 255 }; static const char NUL = '\0'; static const char DOS_EOF = '\x1A'; static const int EVEN = 0; static const int ODD = 1; static UTF8_State utf8_char_table[MAX_CHAR]; // ============================================================================ static freq_analysis_data_t freq_analysis_data[] = { { 0x9a74, "windows-1250" }, // "št" (Czech) { 0xe865, "windows-1250" }, // "če" (Czech) { 0xf865, "windows-1250" }, // "ře" (Czech) { 0xe167, "windows-1250" }, // "ág" (Hungarian) { 0xe96c, "windows-1250" }, // "él" (Hungarian) { 0xb36f, "windows-1250" }, // "ło" (Polish) { 0xea7a, "windows-1250" }, // "ęz" (Polish) { 0xf377, "windows-1250" }, // "ów" (Polish) { 0x9d20, "windows-1250" }, // "ť " (Slovak) { 0xfa9d, "windows-1250" }, // "úť" (Slovak) { 0x9e69, "windows-1250" }, // "ži" (Slovenian) { 0xe869, "windows-1250" }, // "či" (Slovenian) { 0xe020, "windows-1252" }, // "à " (French) { 0xe920, "windows-1252" }, // "é " (French) { 0xe963, "windows-1252" }, // "éc" (French) { 0xe965, "windows-1252" }, // "ée" (French) { 0xe972, "windows-1252" }, // "ér" (French) { 0xe4e4, "windows-1252" }, // "ää" (Finnish) { 0xe474, "windows-1252" }, // "ät" (German) { 0xfc72, "windows-1252" }, // "ür" (German) { 0xed6e, "windows-1252" }, // "ín" (Spanish) { 0xf36e, "windows-1252" }, // "ón" (Spanish) { 0x8220, "cp437" }, // "é " (French) { 0x8263, "cp437" }, // "éc" (French) { 0x8265, "cp437" }, // "ée" (French) { 0x8272, "cp437" }, // "ér" (French) { 0x8520, "cp437" }, // "à " (French) { 0x8172, "cp437" }, // "ür" (German) { 0x8474, "cp437" }, // "ät" (German) { 0xc4c4, "cp437" }, // "──" { 0xcdcd, "cp437" }, // "══" { 0xdbdb, "cp437" }, // "██" { 0xa1a1, "gbk" }, // "　" { 0xa1a2, "gbk" }, // "、" { 0xa1a3, "gbk" }, // "。" { 0xa1a4, "gbk" }, // "·" { 0xa1b6, "gbk" }, // "《" { 0xa1b7, "gbk" }, // "》" { 0xa3ac, "gbk" }, // "，" { 0xa3ba, "gbk" }, // "：" { 0xb5c4, "gbk" }, // "的" { 0xc1cb, "gbk" }, // "了" { 0xd2bb, "gbk" }, // "一" { 0xcac7, "gbk" }, // "是" { 0xb2bb, "gbk" }, // "不" { 0xb8f6, "gbk" }, // "个" { 0xc8cb, "gbk" }, // "人" { 0xd5e2, "gbk" }, // "这" { 0xd3d0, "gbk" }, // "有" { 0xced2, "gbk" }, // "我" { 0xc4e3, "gbk" }, // "你" { 0xcbfb, "gbk" }, // "他" { 0xcbfd, "gbk" }, // "她" { 0xc9cf, "gbk" }, // "上" { 0xbfb4, "gbk" }, // "看" { 0xd6ae, "gbk" }, // "之" { 0xbbb9, "gbk" }, // "还" { 0xbfc9, "gbk" }, // "可" { 0xbaf3, "gbk" }, // "后" { 0xd6d0, "gbk" }, // "中" { 0xd0d0, "gbk" }, // "行" { 0xb1d2, "gbk" }, // "币" { 0xb3f6, "gbk" }, // "出" { 0xb7d1, "gbk" }, // "费" { 0xb8d0, "gbk" }, // "感" { 0xbef5, "gbk" }, // "觉" { 0xc4ea, "gbk" }, // "年" { 0xd4c2, "gbk" }, // "月" { 0xc8d5, "gbk" }, // "日" { 0xa140, "big5" }, // "　" { 0xa141, "big5" }, // "，" { 0xa143, "big5" }, // "。" { 0xa147, "big5" }, // "：" { 0xaaba, "big5" }, // "的" { 0xa446, "big5" }, // "了" { 0xa440, "big5" }, // "一" { 0xac4f, "big5" }, // "是" { 0xa4a3, "big5" }, // "不" { 0xa448, "big5" }, // "人" { 0xa7da, "big5" }, // "我" { 0xa741, "big5" }, // "你" { 0xa54c, "big5" }, // "他" { 0xa66f, "big5" }, // "她" { 0xadd3, "big5" }, // "個" { 0xa457, "big5" }, // "上" { 0xa662, "big5" }, // "在" { 0xbba1, "big5" }, // "說" { 0xa65e, "big5" }, // "回" { 0x8140, "sjis" }, // "　" { 0x8141, "sjis" }, // "、" { 0x8142, "sjis" }, // "。" { 0x8145, "sjis" }, // "・" { 0x8146, "sjis" }, // "：" { 0x815b, "sjis" }, // "ー" { 0x82b5, "sjis" }, // "し" { 0x82bd, "sjis" }, // "た" { 0x82c8, "sjis" }, // "な" { 0x82c9, "sjis" }, // "に" { 0x82cc, "sjis" }, // "の" { 0x82dc, "sjis" }, // "ま" { 0x82f0, "sjis" }, // "を" { 0x8367, "sjis" }, // "ト" { 0x8393, "sjis" }, // "ン" { 0x89ef, "sjis" }, // "会" { 0x906c, "sjis" }, // "人" { 0x9094, "sjis" }, // "数" { 0x93fa, "sjis" }, // "日" { 0x95f1, "sjis" }, // "報" { 0xa1bc, "euc-jp" }, // "ー" { 0xa4bf, "euc-jp" }, // "た" { 0xa4ca, "euc-jp" }, // "な" { 0xa4cb, "euc-jp" }, // "に" { 0xa4ce, "euc-jp" }, // "の" { 0xa4de, "euc-jp" }, // "ま" { 0xa4f2, "euc-jp" }, // "を" { 0xa5c8, "euc-jp" }, // "ト" { 0xa5f3, "euc-jp" }, // "ン" { 0xb2f1, "euc-jp" }, // "会" { 0xbfcd, "euc-jp" }, // "人" { 0xbff4, "euc-jp" }, // "数" { 0xc6fc, "euc-jp" }, // "日" { 0xcaf3, "euc-jp" }, // "報" { 0xc0cc, "euc-kr" }, // "이" { 0xb0fa, "euc-kr" }, // "과" { 0xb1e2, "euc-kr" }, // "기" { 0xb4c2, "euc-kr" }, // "는" { 0xb7ce, "euc-kr" }, // "로" { 0xb1db, "euc-kr" }, // "글" { 0xc5e4, "euc-kr" }, // "토" { 0xc1a4, "euc-kr" }, // "정" { 0xc920, "koi8-r" }, // "и " { 0xc7cf, "koi8-r" }, // "го" { 0xcbcf, "koi8-r" }, // "ко" { 0xd3cb, "koi8-r" }, // "ск" { 0xd3d4, "koi8-r" }, // "ст" { 0xa6a7, "koi8-u" }, // "ії" { 0xa6ce, "koi8-u" }, // "ін" { 0xa6d7, "koi8-u" }, // "ів" { 0xa7ce, "koi8-u" }, // "їн" { 0xd0cf, "koi8-u" }, // "по" { 0xd4c9, "koi8-u" }, // "ти" }; // ============================================================================ static size_t nul_count_byte[2]; static size_t nul_count_word[2]; static bool is_binary = false; static bool is_valid_utf8 = true; static bool is_valid_latin1 = true; static uint32_t dbyte_cnt = 0; static uint32_t dbyte_hihi_cnt = 0; // ============================================================================ // ============================================================================ static inline bool is_non_text(char ch) { for (size_t i = 0; i < sizeof(NON_TEXT_CHARS); ++i) { if (ch == NON_TEXT_CHARS[i]) { return true; } } return false; } // ============================================================================ void init_utf8_char_table() { int ch = 0; utf8_char_table[ch] = UTF8_INVALID; ++ch; for (; ch <= 0x7f; ++ch) { utf8_char_table[ch] = UTF8_1; } for (; ch <= 0xbf; ++ch) { utf8_char_table[ch] = UTF8_TAIL; } for (; ch <= 0xc1; ++ch) { utf8_char_table[ch] = UTF8_INVALID; } for (; ch <= 0xdf; ++ch) { utf8_char_table[ch] = UTF8_2; } for (; ch <= 0xef; ++ch) { utf8_char_table[ch] = UTF8_3; } for (; ch <= 0xf4; ++ch) { utf8_char_table[ch] = UTF8_4; } for (; ch <= 0xff; ++ch) { utf8_char_table[ch] = UTF8_INVALID; } } // ============================================================================ static void init_sbyte_char_count(char_count_t sbyte_char_cnt[]) { for (size_t i = 0; i < MAX_CHAR; ++i) { sbyte_char_cnt[i].first = (uint16_t)i; sbyte_char_cnt[i].second = 0; } } // ============================================================================ #if FALSE typedef struct _pattern_t { const char* name; const char* pattern; size_t pattern_len; } pattern_t; static const char* check_ucs_bom(const unsigned char* const buffer, const size_t len) { const pattern_t patterns[] = { { "ucs-4", "\x00\x00\xFE\xFF", 4 }, { "ucs-4le", "\xFF\xFE\x00\x00", 4 }, { "utf-8", "\xEF\xBB\xBF", 3 }, { "utf-16", "\xFE\xFF", 2 }, { "utf-16le", "\xFF\xFE", 2 }, { NULL, NULL, 0 } }; for (size_t i = 0; patterns[i].name; ++i) { const pattern_t* item = &(patterns[i]); if (len >= item->pattern_len && memcmp(buffer, item->pattern, item->pattern_len) == 0) { return item->name; } } return NULL; } // ============================================================================ static const char* check_freq_dbyte(uint16_t dbyte) { for (size_t i = 0; i < sizeof freq_analysis_data / sizeof(freq_analysis_data_t); ++i) { if (dbyte == freq_analysis_data[i].dbyte) { return freq_analysis_data[i].enc; } } return NULL; } // ============================================================================ static const char* search_freq_dbytes(const char_count_vec_t* dbyte_char_cnt) { size_t max_comp_idx = 10; if (max_comp_idx > dbyte_char_cnt->size()) { max_comp_idx = dbyte_char_cnt->size(); } for (size_t i = 0; i < max_comp_idx; ++i) { const char* enc = check_freq_dbyte(dbyte_char_cnt[i].first); if (enc) { return enc; } } return NULL; } // ============================================================================ const char* tellenc(const unsigned char* const buffer, const size_t len) { if (len == 0) { return "unknown"; } const char* result = check_ucs_bom(buffer, len); if (result) { return result; } char_count_t sbyte_char_cnt[MAX_CHAR]; char_count_map_t dbyte_char_cnt_map; init_sbyte_char_count(sbyte_char_cnt); unsigned char ch; int last_ch = EOF; int utf8_state = UTF8_1; for (size_t i = 0; i < len; ++i) { ch = buffer[i]; sbyte_char_cnt[ch].second++; // Check for binary data (including UTF-16/32) if (is_non_text(ch)) { if (!is_binary && !(ch == DOS_EOF && i == len - 1)) { is_binary = true; } if (ch == NUL) { // Count for NULs in even- and odd-number bytes nul_count_byte[i & 1]++; if (i & 1) { if (buffer[i - 1] == NUL) { // Count for NULs in even- and odd-number words nul_count_word[(i / 2) & 1]++; } } } } // Check for UTF-8 validity if (is_valid_utf8) { switch (utf8_char_table[ch]) { case UTF8_INVALID: is_valid_utf8 = false; break; case UTF8_1: if (utf8_state != UTF8_1) { is_valid_utf8 = false; } break; case UTF8_2: if (utf8_state != UTF8_1) { is_valid_utf8 = false; } else { utf8_state = UTF8_2; } break; case UTF8_3: if (utf8_state != UTF8_1) { is_valid_utf8 = false; } else { utf8_state = UTF8_3; } break; case UTF8_4: if (utf8_state != UTF8_1) { is_valid_utf8 = false; } else { utf8_state = UTF8_4; } break; case UTF8_TAIL: if (utf8_state > UTF8_1) { utf8_state--; } else { is_valid_utf8 = false; } break; } } // Check whether non-Latin1 characters appear if (is_valid_latin1) { if (ch >= 0x80 && ch < 0xa0) { is_valid_latin1 = false; } } // Construct double-bytes and count if (last_ch != EOF) { uint16_t dbyte_char = (last_ch << 8) + ch; dbyte_char_cnt_map[dbyte_char]++; dbyte_cnt++; if (last_ch > 0xa0 && ch > 0xa0) { dbyte_hihi_cnt++; } last_ch = EOF; } else if (ch >= 0x80) { last_ch = ch; } } // Get the character counts in descending order sort(sbyte_char_cnt, sbyte_char_cnt + MAX_CHAR, greater_char_count()); // Get the double-byte counts in descending order char_count_vec_t dbyte_char_cnt; for (char_count_map_t::iterator it = dbyte_char_cnt_map.begin(); it != dbyte_char_cnt_map.end(); ++it) { dbyte_char_cnt.push_back(*it); } sort(dbyte_char_cnt.begin(), dbyte_char_cnt.end(), greater_char_count()); if (!is_valid_utf8 && is_binary) { // Heuristics for UTF-16/32 if (nul_count_byte[EVEN] > 4 && (nul_count_byte[ODD] == 0 || nul_count_byte[EVEN] / nul_count_byte[ODD] > 20)) { return "utf-16"; } else if (nul_count_byte[ODD] > 4 && (nul_count_byte[EVEN] == 0 || nul_count_byte[ODD] / nul_count_byte[EVEN] > 20)) { return "utf-16le"; } else if (nul_count_word[EVEN] > 4 && (nul_count_word[ODD] == 0 || nul_count_word[EVEN] / nul_count_word[ODD] > 20)) { return "ucs-4"; // utf-32 is not a built-in encoding for Vim } else if (nul_count_word[ODD] > 4 && (nul_count_word[EVEN] == 0 || nul_count_word[ODD] / nul_count_word[EVEN] > 20)) { return "ucs-4le"; // utf-32le is not a built-in encoding for Vim } else { return "binary"; } } else if (dbyte_cnt == 0) { // No characters outside the scope of ASCII return "ascii"; } else if (is_valid_utf8) { // Only valid UTF-8 sequences return "utf-8"; } else if (const char* enc = search_freq_dbytes(dbyte_char_cnt)) { return enc; } else if (dbyte_hihi_cnt * 100 / dbyte_cnt < 5) { // Mostly a low-byte follows a high-byte return "windows-1252"; } return NULL; } // ============================================================================ #endif const char* tellenc(const unsigned char* const buffer, const size_t len) { UNUSED(buffer); UNUSED(len); return NULL; } const char* tellenc_simplify(const char* const buffer, const size_t len) { const char* enc = tellenc((const unsigned char*)buffer, len); if (enc) { if (strcmp(enc, "windows-1252") == 0 && is_valid_latin1) { // Latin1 is subset of Windows-1252 return "latin1"; } else if (strcmp(enc, "gbk") == 0 && dbyte_hihi_cnt == dbyte_cnt) { // Special case for GB2312: no high-byte followed by a low-byte return "gb2312"; } } return enc; } // ============================================================================ static bool bInitDone = false; int GetBufferEncoding(const char* const buffer, const size_t len) { if (!bInitDone) { init_utf8_char_table(); bInitDone = true; } const char* enc = tellenc_simplify(buffer, len); if (enc) return 1; return 0; // unknown } // ============================================================================