CodeCow/Notepad3
1
0
Fork 0
mirror of https://github.com/rizonesoft/Notepad3.git synced 2026-06-14 21:09:05 +08:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity
d0149be2d6
Notepad3/src/Encoding.c
Rainer Kottenhoff a1e0af344f + fix: minor bugs regarding feature "Toggle Visibility"
2018-04-04 04:02:47 +02:00

977 lines
48 KiB
C
Raw Blame History

/******************************************************************************
* *
* *
* Notepad3 *
* *
* Encoding.c *
* Handling and Helpers for File Encoding *
* Based on code from Notepad2, (c) Florian Balmer 1996-2011 *
* *
* *
* *
* (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 <windows.h>
#include <commctrl.h>
#include <stdlib.h>
#include "../uthash/utarray.h"
#include "scintilla.h"
#include "helpers.h"
#include "encoding.h"
extern HINSTANCE g_hInstance;
extern bool bLoadASCIIasUTF8;
//=============================================================================
static NP2ENCODING g_Encodings[] = {
/* 000 */{ NCP_ANSI | NCP_RECODE, CP_ACP, "ansi,system,ascii,", 61000, L"" },
/* 001 */{ NCP_OEM | NCP_RECODE, CP_OEMCP, "oem,oem,", 61001, L"" },
/* 002 */{ NCP_UNICODE | NCP_UNICODE_BOM, CP_UTF8, "", 61002, L"" },
/* 003 */{ NCP_UNICODE | NCP_UNICODE_REVERSE | NCP_UNICODE_BOM, CP_UTF8, "", 61003, L"" },
/* 004 */{ NCP_UNICODE | NCP_RECODE, CP_UTF8, "utf-16,utf16,unicode,", 61004, L"" },
/* 005 */{ NCP_UNICODE | NCP_UNICODE_REVERSE | NCP_RECODE, CP_UTF8, "utf-16be,utf16be,unicodebe,", 61005, L"" },
/* 006 */{ NCP_UTF8 | NCP_RECODE, CP_UTF8, "utf-8,utf8,", 61006, L"" },
/* 007 */{ NCP_UTF8 | NCP_UTF8_SIGN, CP_UTF8, "utf-8,utf8,", 61007, L"" },
/* 008 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, CP_UTF7, "utf-7,utf7,", 61008, L"" },
/* 009 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 720, "DOS-720,dos720,", 61009, L"" },
/* 010 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 28596, "iso-8859-6,iso88596,arabic,csisolatinarabic,ecma114,isoir127,", 61010, L"" },
/* 011 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 10004, "x-mac-arabic,xmacarabic,", 61011, L"" },
/* 012 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 1256, "windows-1256,windows1256,cp1256", 61012, L"" },
/* 013 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 775, "ibm775,ibm775,cp500,", 61013, L"" },
/* 014 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 28594, "iso-8859-4,iso88594,csisolatin4,isoir110,l4,latin4,", 61014, L"" },
/* 015 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 1257, "windows-1257,windows1257,", 61015, L"" },
/* 016 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 852, "ibm852,ibm852,cp852,", 61016, L"" },
/* 017 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 28592, "iso-8859-2,iso88592,csisolatin2,isoir101,latin2,l2,", 61017, L"" },
/* 018 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 10029, "x-mac-ce,xmacce,", 61018, L"" },
/* 019 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 1250, "windows-1250,windows1250,xcp1250,", 61019, L"" },
/* 020 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 936, "gb2312,gb2312,chinese,cngb,csgb2312,csgb231280,gb231280,gbk,", 61020, L"" },
/* 021 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 10008, "x-mac-chinesesimp,xmacchinesesimp,", 61021, L"" },
/* 022 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 950, "big5,big5,cnbig5,csbig5,xxbig5,", 61022, L"" },
/* 023 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 10002, "x-mac-chinesetrad,xmacchinesetrad,", 61023, L"" },
/* 024 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 10082, "x-mac-croatian,xmaccroatian,", 61024, L"" },
/* 025 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 866, "cp866,cp866,ibm866,", 61025, L"" },
/* 026 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 28595, "iso-8859-5,iso88595,csisolatin5,csisolatincyrillic,cyrillic,isoir144,", 61026, L"" },
/* 027 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 20866, "koi8-r,koi8r,cskoi8r,koi,koi8,", 61027, L"" },
/* 028 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 21866, "koi8-u,koi8u,koi8ru,", 61028, L"" },
/* 029 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 10007, "x-mac-cyrillic,xmaccyrillic,", 61029, L"" },
/* 030 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 1251, "windows-1251,windows1251,xcp1251,", 61030, L"" },
/* 031 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 28603, "iso-8859-13,iso885913,", 61031, L"" },
/* 032 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 863, "ibm863,ibm863,", 61032, L"" },
/* 033 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 737, "ibm737,ibm737,", 61033, L"" },
/* 034 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 28597, "iso-8859-7,iso88597,csisolatingreek,ecma118,elot928,greek,greek8,isoir126,", 61034, L"" },
/* 035 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 10006, "x-mac-greek,xmacgreek,", 61035, L"" },
/* 036 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 1253, "windows-1253,windows1253,", 61036, L"" },
/* 037 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 869, "ibm869,ibm869,", 61037, L"" },
/* 038 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 862, "DOS-862,dos862,", 61038, L"" },
/* 039 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 38598, "iso-8859-8-i,iso88598i,logical,", 61039, L"" },
/* 040 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 28598, "iso-8859-8,iso88598,csisolatinhebrew,hebrew,isoir138,visual,", 61040, L"" },
/* 041 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 10005, "x-mac-hebrew,xmachebrew,", 61041, L"" },
/* 042 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 1255, "windows-1255,windows1255,", 61042, L"" },
/* 043 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 861, "ibm861,ibm861,", 61043, L"" },
/* 044 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 10079, "x-mac-icelandic,xmacicelandic,", 61044, L"" },
/* 045 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 10001, "x-mac-japanese,xmacjapanese,", 61045, L"" },
/* 046 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 932, "shift_jis,shiftjis,shiftjs,csshiftjis,cswindows31j,mskanji,xmscp932,xsjis,", 61046, L"" },
/* 047 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 10003, "x-mac-korean,xmackorean,", 61047, L"" },
/* 048 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 949, "windows-949,windows949,ksc56011987,csksc5601,euckr,isoir149,korean,ksc56011989", 61048, L"" },
/* 049 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 28593, "iso-8859-3,iso88593,latin3,isoir109,l3,", 61049, L"" },
/* 050 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 28605, "iso-8859-15,iso885915,latin9,l9,", 61050, L"" },
/* 051 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 865, "ibm865,ibm865,", 61051, L"" },
/* 052 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 437, "ibm437,ibm437,437,cp437,cspc8,codepage437,", 61052, L"" },
/* 053 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 858, "ibm858,ibm858,ibm00858,", 61053, L"" },
/* 054 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 860, "ibm860,ibm860,", 61054, L"" },
/* 055 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 10010, "x-mac-romanian,xmacromanian,", 61055, L"" },
/* 056 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 10021, "x-mac-thai,xmacthai,", 61056, L"" },
/* 057 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 874, "windows-874,windows874,dos874,iso885911,tis620,", 61057, L"" },
/* 058 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 857, "ibm857,ibm857,", 61058, L"" },
/* 059 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 28599, "iso-8859-9,iso88599,latin5,isoir148,l5,", 61059, L"" },
/* 060 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 10081, "x-mac-turkish,xmacturkish,", 61060, L"" },
/* 061 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 1254, "windows-1254,windows1254,", 61061, L"" },
/* 062 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 10017, "x-mac-ukrainian,xmacukrainian,", 61062, L"" },
/* 063 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 1258, "windows-1258,windows-258,", 61063, L"" },
/* 064 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 850, "ibm850,ibm850,", 61064, L"" },
/* 065 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 28591, "iso-8859-1,iso88591,cp819,latin1,ibm819,isoir100,latin1,l1,", 61065, L"" },
/* 066 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 10000, "macintosh,macintosh,", 61066, L"" },
/* 067 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 1252, "windows-1252,windows1252,cp367,cp819,ibm367,us,xansi,", 61067, L"" },
/* 068 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 37, "ebcdic-cp-us,ebcdiccpus,ebcdiccpca,ebcdiccpwt,ebcdiccpnl,ibm037,cp037,", 61068, L"" },
/* 069 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 500, "x-ebcdic-international,xebcdicinternational,", 61069, L"" },
/* 070 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 875, "x-EBCDIC-GreekModern,xebcdicgreekmodern,", 61070, L"" },
/* 071 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 1026, "CP1026,cp1026,csibm1026,ibm1026,", 61071, L"" },
/* 072 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 54936, "gb18030,gb18030,", 61072, L"" }, // Chinese Simplified (GB18030)
/* 073 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 51932, "euc-jp,eucjp,xeuc,xeucjp,", 61073, L"" }, // Japanese (EUC)
/* 074 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 51949, "euc-kr,euckr,cseuckr,", 61074, L"" }, // Korean (EUC)
/* 075 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 50229, "iso-2022-cn,iso2022cn,", 61075, L"" }, // Chinese Traditional (ISO-2022-CN)
/* 076 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 52936, "hz-gb-2312,hzgb2312,hz,", 61076, L"" }, // Chinese Simplified (HZ-GB2312)
/* 077 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 50220, "iso-2022-jp,iso2022jp,", 61077, L"" }, // Japanese (JIS)
/* 078 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 50225, "iso-2022-kr,iso2022kr,csiso2022kr,", 61078, L"" }, // Korean (ISO-2022-KR)
/* 079 */{ NCP_EXTERNAL_8BIT | NCP_RECODE, 20000, "x-Chinese-CNS,xchinesecns,", 61079, L"" } // Chinese Traditional (CNS)
/* 073 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 870, "CP870,cp870,ebcdiccproece,ebcdiccpyu,csibm870,ibm870,", 00000, L"" }, // IBM EBCDIC (Multilingual Latin-2)
/* 074 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 1047, "IBM01047,ibm01047,", 00000, L"" }, // IBM EBCDIC (Open System Latin-1)
/* 075 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 1140, "x-ebcdic-cp-us-euro,xebcdiccpuseuro,", 00000, L"" }, // IBM EBCDIC (US-Canada-Euro)
/* 076 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 1141, "x-ebcdic-germany-euro,xebcdicgermanyeuro,", 00000, L"" }, // IBM EBCDIC (Germany-Euro)
/* 077 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 1142, "x-ebcdic-denmarknorway-euro,xebcdicdenmarknorwayeuro,", 00000, L"" }, // IBM EBCDIC (Denmark-Norway-Euro)
/* 078 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 1143, "x-ebcdic-finlandsweden-euro,xebcdicfinlandswedeneuro,", 00000, L"" }, // IBM EBCDIC (Finland-Sweden-Euro)
/* 079 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 1144, "x-ebcdic-italy-euro,xebcdicitalyeuro,", 00000, L"" }, // IBM EBCDIC (Italy-Euro)
/* 080 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 1145, "x-ebcdic-spain-euro,xebcdicspaineuro,", 00000, L"" }, // IBM EBCDIC (Spain-Latin America-Euro)
/* 081 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 1146, "x-ebcdic-uk-euro,xebcdicukeuro,", 00000, L"" }, // IBM EBCDIC (UK-Euro)
/* 082 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 1147, "x-ebcdic-france-euro,xebcdicfranceeuro,", 00000, L"" }, // IBM EBCDIC (France-Euro)
/* 083 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 1148, "x-ebcdic-international-euro,xebcdicinternationaleuro,", 00000, L"" }, // IBM EBCDIC (International-Euro)
/* 084 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 1149, "x-ebcdic-icelandic-euro,xebcdicicelandiceuro,", 00000, L"" }, // IBM EBCDIC (Icelandic-Euro)
/* 085 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 1361, "johab,johab,", 00000, L"" }, // Korean (Johab)
/* 086 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20273, "x-EBCDIC-Germany,xebcdicgermany,", 00000, L"" }, // IBM EBCDIC (Germany)
/* 087 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20277, "x-EBCDIC-DenmarkNorway,xebcdicdenmarknorway,ebcdiccpdk,ebcdiccpno,", 00000, L"" }, // IBM EBCDIC (Denmark-Norway)
/* 088 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20278, "x-EBCDIC-FinlandSweden,xebcdicfinlandsweden,ebcdicpfi,ebcdiccpse,", 00000, L"" }, // IBM EBCDIC (Finland-Sweden)
/* 089 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20280, "x-EBCDIC-Italy,xebcdicitaly,", 00000, L"" }, // IBM EBCDIC (Italy)
/* 090 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20284, "x-EBCDIC-Spain,xebcdicspain,ebcdiccpes,", 00000, L"" }, // IBM EBCDIC (Spain-Latin America)
/* 091 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20285, "x-EBCDIC-UK,xebcdicuk,ebcdiccpgb,", 00000, L"" }, // IBM EBCDIC (UK)
/* 092 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20290, "x-EBCDIC-JapaneseKatakana,xebcdicjapanesekatakana,", 00000, L"" }, // IBM EBCDIC (Japanese Katakana)
/* 093 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20297, "x-EBCDIC-France,xebcdicfrance,ebcdiccpfr,", 00000, L"" }, // IBM EBCDIC (France)
/* 094 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20420, "x-EBCDIC-Arabic,xebcdicarabic,ebcdiccpar1,", 00000, L"" }, // IBM EBCDIC (Arabic)
/* 095 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20423, "x-EBCDIC-Greek,xebcdicgreek,ebcdiccpgr,", 00000, L"" }, // IBM EBCDIC (Greek)
/* 096 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20424, "x-EBCDIC-Hebrew,xebcdichebrew,ebcdiccphe,", 00000, L"" }, // IBM EBCDIC (Hebrew)
/* 097 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20833, "x-EBCDIC-KoreanExtended,xebcdickoreanextended,", 00000, L"" }, // IBM EBCDIC (Korean Extended)
/* 098 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20838, "x-EBCDIC-Thai,xebcdicthai,ibmthai,csibmthai,", 00000, L"" }, // IBM EBCDIC (Thai)
/* 099 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20871, "x-EBCDIC-Icelandic,xebcdicicelandic,ebcdiccpis,", 00000, L"" }, // IBM EBCDIC (Icelandic)
/* 100 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20880, "x-EBCDIC-CyrillicRussian,xebcdiccyrillicrussian,ebcdiccyrillic,", 00000, L"" }, // IBM EBCDIC (Cyrillic Russian)
/* 101 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20905, "x-EBCDIC-Turkish,xebcdicturkish,ebcdiccptr,", 00000, L"" }, // IBM EBCDIC (Turkish)
/* 102 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20924, "IBM00924,ibm00924,ebcdiclatin9euro,", 00000, L"" }, // IBM EBCDIC (Open System-Euro Latin-1)
/* 103 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 21025, "x-EBCDIC-CyrillicSerbianBulgarian,xebcdiccyrillicserbianbulgarian,", 00000, L"" }, // IBM EBCDIC (Cyrillic Serbian-Bulgarian)
/* 104 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 50930, "x-EBCDIC-JapaneseAndKana,xebcdicjapaneseandkana,", 00000, L"" }, // IBM EBCDIC (Japanese and Japanese Katakana)
/* 105 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 50931, "x-EBCDIC-JapaneseAndUSCanada,xebcdicjapaneseanduscanada,", 00000, L"" }, // IBM EBCDIC (Japanese and US-Canada)
/* 106 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 50933, "x-EBCDIC-KoreanAndKoreanExtended,xebcdickoreanandkoreanextended,", 00000, L"" }, // IBM EBCDIC (Korean and Korean Extended)
/* 107 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 50935, "x-EBCDIC-SimplifiedChinese,xebcdicsimplifiedchinese,", 00000, L"" }, // IBM EBCDIC (Chinese Simplified)
/* 108 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 50937, "x-EBCDIC-TraditionalChinese,xebcdictraditionalchinese,", 00000, L"" }, // IBM EBCDIC (Chinese Traditional)
/* 109 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 50939, "x-EBCDIC-JapaneseAndJapaneseLatin,xebcdicjapaneseandjapaneselatin,", 00000, L"" }, // IBM EBCDIC (Japanese and Japanese-Latin)
/* 110 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20105, "x-IA5,xia5,", 00000, L"" }, // Western European (IA5)
/* 111 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20106, "x-IA5-German,xia5german,", 00000, L"" }, // German (IA5)
/* 112 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20107, "x-IA5-Swedish,xia5swedish,", 00000, L"" }, // Swedish (IA5)
/* 113 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20108, "x-IA5-Norwegian,xia5norwegian,", 00000, L"" }, // Norwegian (IA5)
/* 114 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20936, "x-cp20936,xcp20936,", 00000, L"" }, // Chinese Simplified (GB2312)
/* 115 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20932, "euc-jp,,", 00000, L"" }, // Japanese (JIS X 0208-1990 & 0212-1990)
/* 117 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 50221, "csISO2022JP,csiso2022jp,", 00000, L"" }, // Japanese (JIS-Allow 1 byte Kana)
/* 118 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 50222, "_iso-2022-jp$SIO,iso2022jpSIO,", 00000, L"" }, // Japanese (JIS-Allow 1 byte Kana - SO/SI)
/* 120 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 50227, "x-cp50227,xcp50227,", 00000, L"" }, // Chinese Simplified (ISO-2022)
/* 123 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 20002, "x-Chinese-Eten,xchineseeten,", 00000, L"" }, // Chinese Traditional (Eten)
/* 125 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 51936, "euc-cn,euccn,xeuccn,", 00000, L"" }, // Chinese Simplified (EUC)
/* 128 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 57002, "x-iscii-de,xisciide,", 00000, L"" }, // ISCII Devanagari
/* 129 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 57003, "x-iscii-be,xisciibe,", 00000, L"" }, // ISCII Bengali
/* 130 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 57004, "x-iscii-ta,xisciita,", 00000, L"" }, // ISCII Tamil
/* 131 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 57005, "x-iscii-te,xisciite,", 00000, L"" }, // ISCII Telugu
/* 132 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 57006, "x-iscii-as,xisciias,", 00000, L"" }, // ISCII Assamese
/* 133 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 57007, "x-iscii-or,xisciior,", 00000, L"" }, // ISCII Oriya
/* 134 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 57008, "x-iscii-ka,xisciika,", 00000, L"" }, // ISCII Kannada
/* 135 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 57009, "x-iscii-ma,xisciima,", 00000, L"" }, // ISCII Malayalam
/* 136 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 57010, "x-iscii-gu,xisciigu,", 00000, L"" }, // ISCII Gujarathi
/* 137 *///{ NCP_EXTERNAL_8BIT|NCP_RECODE, 57011, "x-iscii-pa,xisciipa,", 00000, L"" }, // ISCII Panjabi
};
int Encoding_CountOf()
{
return COUNTOF(g_Encodings);
}
//=============================================================================
//=============================================================================
//
// Encoding Helper Functions
//
int g_DOSEncoding;
// Supported Encodings
WCHAR wchANSI[16] = { L'\0' };
WCHAR wchOEM[16] = { L'\0' };
// ============================================================================
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_ANSI_DEFAULT;
}
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 (iEncoding >= 0) ? g_Encodings[iEncoding].uCodePage : CP_ACP;
}
// ============================================================================
bool Encoding_IsDefault(int iEncoding) {
return (iEncoding >= 0) ? (g_Encodings[iEncoding].uFlags & NCP_DEFAULT) : false;
}
// ============================================================================
bool Encoding_IsANSI(int iEncoding) {
return (iEncoding >= 0) ? (g_Encodings[iEncoding].uFlags & NCP_ANSI) : false;
}
// ============================================================================
bool Encoding_IsOEM(int iEncoding) {
return (iEncoding >= 0) ? (g_Encodings[iEncoding].uFlags & NCP_OEM) : false;
}
// ============================================================================
bool Encoding_IsUTF8(int iEncoding) {
return (iEncoding >= 0) ? (g_Encodings[iEncoding].uFlags & NCP_UTF8) : false;
}
// ============================================================================
bool Encoding_IsUTF8_SIGN(int iEncoding) {
return (iEncoding >= 0) ? (g_Encodings[iEncoding].uFlags & NCP_UTF8_SIGN) : false;
}
// ============================================================================
bool Encoding_IsMBCS(int iEncoding) {
return (iEncoding >= 0) ? (g_Encodings[iEncoding].uFlags & NCP_MBCS) : false;
}
// ============================================================================
bool Encoding_IsUNICODE(int iEncoding) {
return (iEncoding >= 0) ? (g_Encodings[iEncoding].uFlags & NCP_UNICODE) : false;
}
// ============================================================================
bool Encoding_IsUNICODE_BOM(int iEncoding) {
return (iEncoding >= 0) ? (g_Encodings[iEncoding].uFlags & NCP_UNICODE_BOM) : false;
}
// ============================================================================
bool Encoding_IsUNICODE_REVERSE(int iEncoding) {
return (iEncoding >= 0) ? (g_Encodings[iEncoding].uFlags & NCP_UNICODE_REVERSE) : false;
}
// ============================================================================
bool Encoding_IsINTERNAL(int iEncoding) {
return (iEncoding >= 0) ? (g_Encodings[iEncoding].uFlags & NCP_INTERNAL) : false;
}
// ============================================================================
bool Encoding_IsEXTERNAL_8BIT(int iEncoding) {
return (iEncoding >= 0) ? (g_Encodings[iEncoding].uFlags & NCP_EXTERNAL_8BIT) : false;
}
// ============================================================================
bool Encoding_IsRECODE(int iEncoding) {
return (iEncoding >= 0) ? (g_Encodings[iEncoding].uFlags & NCP_RECODE) : false;
}
// ============================================================================
void Encoding_SetDefaultFlag(int iEncoding) {
if (iEncoding >= 0)
g_Encodings[iEncoding].uFlags |= NCP_DEFAULT;
}
// ============================================================================
const WCHAR* Encoding_GetLabel(int iEncoding) {
return (iEncoding >= 0) ? g_Encodings[iEncoding].wchLabel : NULL;
}
// ============================================================================
const char* Encoding_GetParseNames(int iEncoding) {
return (iEncoding >= 0) ? g_Encodings[iEncoding].pszParseNames : NULL;
}
// ============================================================================
bool IsUnicode(const char* pBuffer, int cb, bool* lpbBOM, bool* lpbReverse) {
int i = 0xFFFF;
bool bIsTextUnicode;
bool bHasBOM;
bool bHasRBOM;
if (!pBuffer || cb < 2)
return false;
bIsTextUnicode = IsTextUnicode(pBuffer, cb, &i);
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 size_t 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
--*/
size_t UTF8_mbslen_bytes(LPCSTR utf8_string)
{
size_t length = 0;
size_t 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
--*/
size_t UTF8_mbslen(LPCSTR utf8_string, size_t byte_length)
{
size_t wchar_length = 0;
size_t code_size;
BYTE byte;
while (byte_length > 0) {
byte = (BYTE)*utf8_string;
/* 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++;
utf8_string += 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);
utf8_string++;
byte_length--;
}
}
return wchar_length;
}
// ============================================================================
bool UTF8_ContainsInvalidChars(LPCSTR utf8_string, size_t byte_length)
{
return ((UTF8_mbslen_bytes(UTF8StringStart(utf8_string)) - 1) !=
UTF8_mbslen(UTF8StringStart(utf8_string), IsUTF8Signature(utf8_string) ? (byte_length - 3) : byte_length));
}
// ============================================================================
Reference in New Issue View Git Blame Copy Permalink