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100 lines
4.1 KiB
C
100 lines
4.1 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS system libraries
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* FILE: lib/sdk/crt/mbstring/hanzen.c
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* PURPOSE: Multibyte conversion routines formerly called hantozen and zentohan
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* PROGRAMER: Ariadne, Taiji Yamada
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* UPDATE HISTORY:
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Modified from Taiji Yamada japanese code system utilities
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* 12/04/99: Created
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*/
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#include <precomp.h>
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#include <mbstring.h>
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#include <locale.h>
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/* Maps cp932 single byte character to multi byte character */
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static const unsigned char mbbtombc_932[] = {
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0x40,0x49,0x68,0x94,0x90,0x93,0x95,0x66,0x69,0x6a,0x96,0x7b,0x43,0x7c,0x44,0x5e,
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0x4f,0x50,0x51,0x52,0x53,0x54,0x55,0x56,0x57,0x58,0x46,0x47,0x83,0x81,0x84,0x48,
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0x97,0x60,0x61,0x62,0x63,0x64,0x65,0x66,0x67,0x68,0x69,0x6a,0x6b,0x6c,0x6d,0x6e,
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0x6f,0x70,0x71,0x72,0x73,0x74,0x75,0x76,0x77,0x78,0x79,0x6d,0x8f,0x6e,0x4f,0x76,
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0x77,0x78,0x79,0x6d,0x8f,0x6e,0x4f,0x51,0x65,0x81,0x82,0x83,0x84,0x85,0x86,0x87,
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0x88,0x89,0x8a,0x8b,0x8c,0x8d,0x8e,0x8f,0x90,0x91,0x92,0x93,0x94,0x95,0x50,
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0x42,0x75,0x76,0x41,0x45,0x92,0x40,0x42,0x44,0x46,0x48,0x83,0x85,0x87,0x62,
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0x5b,0x41,0x43,0x45,0x47,0x49,0x4a,0x4c,0x4e,0x50,0x52,0x54,0x56,0x58,0x5a,0x5c,
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0x5e,0x60,0x63,0x65,0x67,0x69,0x6a,0x6b,0x6c,0x6d,0x6e,0x71,0x74,0x77,0x7a,0x7d,
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0x7e,0x80,0x81,0x82,0x84,0x86,0x88,0x89,0x8a,0x8b,0x8c,0x8d,0x8f,0x93,0x4a,0x4b };
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/* Maps multibyte cp932 punctuation marks to single byte equivalents */
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static const unsigned char mbctombb_932_punct[] = {
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0x20,0xa4,0xa1,0x2c,0x2e,0xa5,0x3a,0x3b,0x3f,0x21,0xde,0xdf,0x00,0x00,0x00,0x5e,
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0x7e,0x5f,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xb0,0x00,0x00,0x2f,0x00,
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0x00,0x00,0x7c,0x00,0x00,0x60,0x27,0x00,0x22,0x28,0x29,0x00,0x00,0x5b,0x5d,0x7b,
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0x7d,0x00,0x00,0x00,0x00,0xa2,0xa3,0x00,0x00,0x00,0x00,0x2b,0x2d,0x00,0x00,0x00,
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0x00,0x3d,0x00,0x3c,0x3e,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x5c,
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0x24,0x00,0x00,0x25,0x23,0x26,0x2a,0x40};
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/* Maps multibyte cp932 hiragana/katakana to single-byte equivalents */
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static const unsigned char mbctombb_932_kana[] = {
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0xa7,0xb1,0xa8,0xb2,0xa9,0xb3,0xaa,0xb4,0xab,0xb5,0xb6,0xb6,0xb7,0xb7,0xb8,0xb8,
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0xb9,0xb9,0xba,0xba,0xbb,0xbb,0xbc,0xbc,0xbd,0xbd,0xbe,0xbe,0xbf,0xbf,0xc0,0xc0,
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0xc1,0xc1,0xaf,0xc2,0xc2,0xc3,0xc3,0xc4,0xc4,0xc5,0xc6,0xc7,0xc8,0xc9,0xca,0xca,
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0xca,0xcb,0xcb,0xcb,0xcc,0xcc,0xcc,0xcd,0xcd,0xcd,0xce,0xce,0xce,0xcf,0xd0,0xd1,
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0xd2,0xd3,0xac,0xd4,0xad,0xd5,0xae,0xd6,0xd7,0xd8,0xd9,0xda,0xdb,0xdc,0xdc,0xb2,
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0xb4,0xa6,0xdd,0xb3,0xb6,0xb9};
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/*********************************************************************
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* _mbbtombc(MSVCRT.@)
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*/
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unsigned int __cdecl _mbbtombc(unsigned int c)
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{
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if(get_mbcinfo()->mbcodepage == 932)
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{
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if(c >= 0x20 && c <= 0x7e) {
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if((c >= 0x41 && c <= 0x5a) || (c >= 0x61 && c <= 0x7a) || (c >= 0x30 && c <= 0x39))
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return mbbtombc_932[c - 0x20] | 0x8200;
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else
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return mbbtombc_932[c - 0x20] | 0x8100;
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}
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else if(c >= 0xa1 && c <= 0xdf) {
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if(c >= 0xa6 && c <= 0xdd && c != 0xb0)
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return mbbtombc_932[c - 0xa1 + 0x5f] | 0x8300;
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else
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return mbbtombc_932[c - 0xa1 + 0x5f] | 0x8100;
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}
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}
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return c; /* not Japanese or no MB char */
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}
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/*********************************************************************
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* _mbctombb (MSVCRT.@)
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*/
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unsigned int CDECL _mbctombb(unsigned int c)
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{
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unsigned int value;
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if(get_mbcinfo()->mbcodepage == 932)
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{
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if(c >= 0x829f && c <= 0x82f1) /* Hiragana */
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return mbctombb_932_kana[c - 0x829f];
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if(c >= 0x8340 && c <= 0x8396 && c != 0x837f) /* Katakana */
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return mbctombb_932_kana[c - 0x8340 - (c >= 0x837f ? 1 : 0)];
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if(c >= 0x8140 && c <= 0x8197) /* Punctuation */
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{
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value = mbctombb_932_punct[c - 0x8140];
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return value ? value : c;
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}
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if((c >= 0x824f && c <= 0x8258) || /* Fullwidth digits */
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(c >= 0x8260 && c <= 0x8279)) /* Fullwidth capitals letters */
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return c - 0x821f;
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if(c >= 0x8281 && c <= 0x829a) /* Fullwidth small letters */
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return c - 0x8220;
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/* all other cases return c */
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}
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return c;
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}
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