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codecnv.c
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codecnv.c
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/*=============================================================================
*
* 漢字コード変換／改行コード変換
*
===============================================================================
/ Copyright (C) 1997-2007 Sota. All rights reserved.
/
/ Redistribution and use in source and binary forms, with or without
/ modification, are permitted provided that the following conditions
/ are met:
/
/ 1. Redistributions of source code must retain the above copyright
/ notice, this list of conditions and the following disclaimer.
/ 2. Redistributions in binary form must reproduce the above copyright
/ notice, this list of conditions and the following disclaimer in the
/ documentation and/or other materials provided with the distribution.
/
/ THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
/ IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
/ OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
/ IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
/ INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
/ BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
/ USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
/ ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
/ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
/ THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
/============================================================================*/
#define STRICT
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
// IPv6対応
//#include <winsock.h>
#include <winsock2.h>
#include <mbstring.h>
#include <windowsx.h>
#include "common.h"
#include "resource.h"
#define CONV_ASCII 0 /* ASCII文字処理中 */
#define CONV_KANJI 1 /* 漢字処理中 */
#define CONV_KANA 2 /* 半角カタカナ処理中 */
/*===== プロトタイプ =====*/
static char *ConvEUCtoSJISkanaProc(CODECONVINFO *cInfo, char Dt, char *Put);
static char *ConvJIStoSJISkanaProc(CODECONVINFO *cInfo, char Dt, char *Put);
static char *ConvSJIStoEUCkanaProc(CODECONVINFO *cInfo, char Dt, char *Put);
static char *ConvSJIStoJISkanaProc(CODECONVINFO *cInfo, char Dt, char *Put);
static int HanKataToZen(char Ch);
static int AskDakuon(char Ch, char Daku);
static int CheckOnSJIS(uchar *Pos, uchar *Btm);
static int CheckOnEUC(uchar *Pos, uchar *Btm);
static int ConvertIBMExtendedChar(int code);
#if 0
/*----- 漢字コード変換のテストプログラム ------------------------------------*/
void CodeCnvTest(void)
{
#define BUFBUF 43
#define BUFBUF2 BUFBUF+3
CODECONVINFO cInfo;
char Buf[BUFBUF];
char Buf2[BUFBUF2];
FILE *Strm1;
FILE *Strm2;
int Byte;
int Continue;
// DoPrintf("---START ZEN");
Strm1 = fopen("in.txt", "rb");
Strm2 = fopen("out_zen.txt", "wb");
InitCodeConvInfo(&cInfo);
cInfo.KanaCnv = YES;
while((Byte = fread(Buf, 1, BUFBUF, Strm1)) != 0)
{
cInfo.Str = Buf;
cInfo.StrLen = Byte;
cInfo.Buf = Buf2;
cInfo.BufSize = BUFBUF2;
// DoPrintf("READ %d", Byte);
do
{
// Continue = ConvEUCtoSJIS(&cInfo);
// Continue = ConvJIStoSJIS(&cInfo);
// Continue = ConvSJIStoEUC(&cInfo);
// Continue = ConvSJIStoJIS(&cInfo);
Continue = ConvSMBtoSJIS(&cInfo);
// Continue = ConvSJIStoSMB_HEX(&cInfo);
// Continue = ConvSJIStoSMB_CAP(&cInfo);
fwrite(Buf2, cInfo.OutLen, 1, Strm2);
// DoPrintf("WRITE %d", cInfo.OutLen);
}
while(Continue == YES);
}
cInfo.Buf = Buf2;
cInfo.BufSize = BUFBUF2;
FlushRestData(&cInfo);
fwrite(Buf2, cInfo.OutLen, 1, Strm2);
// DoPrintf("WRITE %d", cInfo.OutLen);
fclose(Strm1);
fclose(Strm2);
// DoPrintf("---START HAN");
Strm1 = fopen("in.txt", "rb");
Strm2 = fopen("out_han.txt", "wb");
InitCodeConvInfo(&cInfo);
cInfo.KanaCnv = NO;
while((Byte = fread(Buf, 1, BUFBUF, Strm1)) != 0)
{
cInfo.Str = Buf;
cInfo.StrLen = Byte;
cInfo.Buf = Buf2;
cInfo.BufSize = BUFBUF2;
// DoPrintf("READ %d", Byte);
do
{
// Continue = ConvEUCtoSJIS(&cInfo);
// Continue = ConvJIStoSJIS(&cInfo);
// Continue = ConvSJIStoEUC(&cInfo);
// Continue = ConvSJIStoJIS(&cInfo);
Continue = ConvSMBtoSJIS(&cInfo);
// Continue = ConvSJIStoSMB_HEX(&cInfo);
// Continue = ConvSJIStoSMB_CAP(&cInfo);
fwrite(Buf2, cInfo.OutLen, 1, Strm2);
// DoPrintf("WRITE %d", cInfo.OutLen);
}
while(Continue == YES);
}
cInfo.Buf = Buf2;
cInfo.BufSize = BUFBUF2;
FlushRestData(&cInfo);
fwrite(Buf2, cInfo.OutLen, 1, Strm2);
// DoPrintf("WRITE %d", cInfo.OutLen);
fclose(Strm1);
fclose(Strm2);
// DoPrintf("---END");
return;
}
#endif
#if 0
/*----- 改行コード変換のテストプログラム ------------------------------------*/
void TermCodeCnvTest(void)
{
#define BUFBUF 10
#define BUFBUF2 BUFBUF
TERMCODECONVINFO cInfo;
char Buf[BUFBUF];
char Buf2[BUFBUF2];
FILE *Strm1;
FILE *Strm2;
int Byte;
int Continue;
// DoPrintf("---START");
Strm1 = fopen("in.txt", "rb");
Strm2 = fopen("out.txt", "wb");
InitTermCodeConvInfo(&cInfo);
while((Byte = fread(Buf, 1, BUFBUF, Strm1)) != 0)
{
cInfo.Str = Buf;
cInfo.StrLen = Byte;
cInfo.Buf = Buf2;
cInfo.BufSize = BUFBUF2;
// DoPrintf("READ %d", Byte);
do
{
Continue = ConvTermCodeToCRLF(&cInfo);
fwrite(Buf2, cInfo.OutLen, 1, Strm2);
// DoPrintf("WRITE %d", cInfo.OutLen);
}
while(Continue == YES);
}
cInfo.Buf = Buf2;
cInfo.BufSize = BUFBUF2;
FlushRestTermCodeConvData(&cInfo);
fwrite(Buf2, cInfo.OutLen, 1, Strm2);
// DoPrintf("WRITE %d", cInfo.OutLen);
fclose(Strm1);
fclose(Strm2);
// DoPrintf("---END");
return;
}
#endif
/*----- 改行コード変換情報を初期化 --------------------------------------------
*
* Parameter
* TERMCODECONVINFO *cInfo : 改行コード変換情報
*
* Return Value
* なし
*----------------------------------------------------------------------------*/
void InitTermCodeConvInfo(TERMCODECONVINFO *cInfo)
{
cInfo->Term = 0;
return;
}
/*----- 改行コード変換の残り情報を出力 ----------------------------------------
*
* Parameter
* TERMCODECONVINFO *cInfo : 改行コード変換情報
*
* Return Value
* int くり返しフラグ (=NO)
*
* Note
* 改行コード変換の最後に呼ぶ事
*----------------------------------------------------------------------------*/
int FlushRestTermCodeConvData(TERMCODECONVINFO *cInfo)
{
char *Put;
Put = cInfo->Buf;
if(cInfo->Term == 0x0D)
*Put++ = 0x0A;
cInfo->OutLen = Put - cInfo->Buf;
return(NO);
}
/*----- 改行コードをCRLFに変換 -------------------------------------------------
*
* Parameter
* TERMCODECONVINFO *cInfo : 改行コード変換情報
*
* Return Value
* int くり返しフラグ (YES/NO)
*
* Note
* くり返しフラグがYESの時は、cInfoの内容を変えずにもう一度呼ぶこと
*----------------------------------------------------------------------------*/
int ConvTermCodeToCRLF(TERMCODECONVINFO *cInfo)
{
char *Str;
char *Put;
char *Limit;
int Continue;
Continue = NO;
Str = cInfo->Str;
Put = cInfo->Buf;
Limit = cInfo->Buf + cInfo->BufSize - 1;
for(; cInfo->StrLen > 0; cInfo->StrLen--)
{
if(Put >= Limit)
{
Continue = YES;
break;
}
if(*Str == 0x0D)
{
if(cInfo->Term == 0x0D)
*Put++ = 0x0A;
*Put++ = 0x0D;
cInfo->Term = *Str++;
}
else
{
if(*Str == 0x0A)
{
if(cInfo->Term != 0x0D)
*Put++ = 0x0D;
}
else
{
if(cInfo->Term == 0x0D)
*Put++ = 0x0A;
}
cInfo->Term = 0;
*Put++ = *Str++;
}
}
cInfo->Str = Str;
cInfo->OutLen = Put - cInfo->Buf;
return(Continue);
}
/*----- 漢字コード変換情報を初期化 --------------------------------------------
*
* Parameter
* CODECONVINFO *cInfo : 漢字コード変換情報
*
* Return Value
* なし
*----------------------------------------------------------------------------*/
void InitCodeConvInfo(CODECONVINFO *cInfo)
{
cInfo->KanaCnv = YES;
cInfo->EscProc = 0;
cInfo->KanjiMode = CONV_ASCII;
cInfo->KanjiFst = 0;
cInfo->KanaPrev = 0;
cInfo->KanaProc = NULL;
// UTF-8対応
cInfo->EscUTF8Len = 0;
return;
}
/*----- 漢字コード変換の残り情報を出力 ----------------------------------------
*
* Parameter
* CODECONVINFO *cInfo : 漢字コード変換情報
*
* Return Value
* int くり返しフラグ (=NO)
*
* Note
* 漢字コード変換の最後に呼ぶ事
*----------------------------------------------------------------------------*/
int FlushRestData(CODECONVINFO *cInfo)
{
char *Put;
Put = cInfo->Buf;
if(cInfo->KanaProc != NULL)
Put = (cInfo->KanaProc)(cInfo, 0, Put);
if(cInfo->KanjiFst != 0)
*Put++ = cInfo->KanjiFst;
if(cInfo->EscProc >= 1)
*Put++ = cInfo->EscCode[0];
if(cInfo->EscProc == 2)
*Put++ = cInfo->EscCode[1];
// UTF-8対応
memcpy(Put, cInfo->EscUTF8, sizeof(char) * cInfo->EscUTF8Len);
Put += cInfo->EscUTF8Len;
cInfo->OutLen = Put - cInfo->Buf;
return(NO);
}
/*----- EUC漢字コードをSHIFT-JIS漢字コードに変換 ------------------------------
*
* Parameter
* CODECONVINFO *cInfo : 漢字コード変換情報
*
* Return Value
* int くり返しフラグ (YES/NO)
*
* Note
* くり返しフラグがYESの時は、cInfoの内容を変えずにもう一度呼ぶこと
*----------------------------------------------------------------------------*/
int ConvEUCtoSJIS(CODECONVINFO *cInfo)
{
int Kcode;
char *Str;
char *Put;
char *Limit;
int Continue;
cInfo->KanaProc = &ConvEUCtoSJISkanaProc;
Continue = NO;
Str = cInfo->Str;
Put = cInfo->Buf;
Limit = cInfo->Buf + cInfo->BufSize - 2;
for(; cInfo->StrLen > 0; cInfo->StrLen--)
{
if(Put >= Limit)
{
Continue = YES;
break;
}
if((*Str & 0x80) != 0)
{
if(cInfo->KanjiFst == 0)
cInfo->KanjiFst = *Str++;
else
{
if((uchar)cInfo->KanjiFst == (uchar)0x8E) /* 半角カタカナ */
{
Put = ConvEUCtoSJISkanaProc(cInfo, *Str++, Put);
}
else
{
Put = ConvEUCtoSJISkanaProc(cInfo, 0, Put);
Kcode = _mbcjistojms(((cInfo->KanjiFst & 0x7F) * 0x100) + (*Str++ & 0x7F));
*Put++ = HIGH8(Kcode);
*Put++ = LOW8(Kcode);
}
cInfo->KanjiFst = 0;
}
}
else
{
Put = ConvEUCtoSJISkanaProc(cInfo, 0, Put);
if(cInfo->KanjiFst != 0)
{
*Put++ = cInfo->KanjiFst;
cInfo->KanjiFst = 0;
}
*Put++ = *Str++;
}
}
cInfo->Str = Str;
cInfo->OutLen = Put - cInfo->Buf;
return(Continue);
}
/*----- EUC-->SHIFT-JIS漢字コードに変換の半角カタカナの処理 -------------------
*
* Parameter
* CODECONVINFO *cInfo : 漢字コード変換情報
* char Dt : 文字
* char *Put : データセット位置
*
* Return Value
* char *次のデータセット位置
*----------------------------------------------------------------------------*/
static char *ConvEUCtoSJISkanaProc(CODECONVINFO *cInfo, char Dt, char *Put)
{
int Kcode;
int Daku;
if(cInfo->KanaCnv == NO)
{
if(Dt != 0)
*Put++ = Dt;
}
else
{
if(cInfo->KanaPrev != 0)
{
Daku = AskDakuon(cInfo->KanaPrev, Dt);
Kcode = _mbcjistojms(HanKataToZen(cInfo->KanaPrev)) + Daku;
*Put++ = HIGH8(Kcode);
*Put++ = LOW8(Kcode);
if(Daku == 0)
cInfo->KanaPrev = Dt;
else
cInfo->KanaPrev = 0;
}
else
cInfo->KanaPrev = Dt;
}
return(Put);
}
/*----- JIS漢字コードをSHIFT-JIS漢字コードに変換 ------------------------------
*
* Parameter
* CODECONVINFO *cInfo : 漢字コード変換情報
*
* Return Value
* int くり返しフラグ (YES/NO)
*
* Note
* くり返しフラグがYESの時は、cInfoの内容を変えずにもう一度呼ぶこと
*
* エスケープコードは、次のものに対応している
* 漢字開始 <ESC>$B <ESC>$@
* 半角カナ開始 <ESC>(I
* 漢字終了 <ESC>(B <ESC>(J <ESC>(H
*----------------------------------------------------------------------------*/
int ConvJIStoSJIS(CODECONVINFO *cInfo)
{
int Kcode;
char *Str;
char *Put;
char *Limit;
int Continue;
cInfo->KanaProc = &ConvJIStoSJISkanaProc;
Continue = NO;
Str = cInfo->Str;
Put = cInfo->Buf;
Limit = cInfo->Buf + cInfo->BufSize - 3;
for(; cInfo->StrLen > 0; cInfo->StrLen--)
{
if(Put >= Limit)
{
Continue = YES;
break;
}
if(cInfo->EscProc == 0)
{
if(*Str == 0x1B)
{
if(cInfo->KanjiFst != 0)
{
*Put++ = cInfo->KanjiFst;
cInfo->KanjiFst = 0;
}
Put = ConvJIStoSJISkanaProc(cInfo, 0, Put);
cInfo->EscCode[cInfo->EscProc] = *Str++;
cInfo->EscProc++;
}
else
{
if(cInfo->KanjiMode == CONV_KANA)
{
if(cInfo->KanjiFst != 0)
{
*Put++ = cInfo->KanjiFst;
cInfo->KanjiFst = 0;
}
if((*Str >= 0x21) && (*Str <= 0x5F))
{
Put = ConvJIStoSJISkanaProc(cInfo, *Str++, Put);
}
else
{
Put = ConvJIStoSJISkanaProc(cInfo, 0, Put);
*Put++ = *Str++;
}
}
else if(cInfo->KanjiMode == CONV_KANJI)
{
Put = ConvJIStoSJISkanaProc(cInfo, 0, Put);
if((*Str >= 0x21) && (*Str <= 0x7E))
{
if(cInfo->KanjiFst == 0)
cInfo->KanjiFst = *Str++;
else
{
Kcode = _mbcjistojms((cInfo->KanjiFst * 0x100) + *Str++);
*Put++ = HIGH8(Kcode);
*Put++ = LOW8(Kcode);
cInfo->KanjiFst = 0;
}
}
else
{
if(cInfo->KanjiFst == 0)
*Put++ = *Str++;
else
{
*Put++ = cInfo->KanjiFst;
*Put++ = *Str++;
cInfo->KanjiFst = 0;
}
}
}
else
{
Put = ConvJIStoSJISkanaProc(cInfo, 0, Put);
*Put++ = *Str++;
}
}
}
else if(cInfo->EscProc == 1)
{
if((*Str == '$') || (*Str == '('))
{
cInfo->EscCode[cInfo->EscProc] = *Str++;
cInfo->EscProc++;
}
else
{
*Put++ = cInfo->EscCode[0];
*Put++ = *Str++;
cInfo->EscProc = 0;
}
}
else if(cInfo->EscProc == 2)
{
if((cInfo->EscCode[1] == '$') && ((*Str == 'B') || (*Str == '@')))
cInfo->KanjiMode = CONV_KANJI;
else if((cInfo->EscCode[1] == '(') && (*Str == 'I'))
cInfo->KanjiMode = CONV_KANA;
else if((cInfo->EscCode[1] == '(') && ((*Str == 'B') || (*Str == 'J') || (*Str == 'H')))
cInfo->KanjiMode = CONV_ASCII;
else
{
*Put++ = cInfo->EscCode[0];
*Put++ = cInfo->EscCode[1];
if((cInfo->KanjiMode == CONV_KANJI) && ((*Str >= 0x21) && (*Str <= 0x7E)))
cInfo->KanjiFst = *Str;
else
*Put++ = *Str;
}
Str++;
cInfo->EscProc = 0;
}
}
cInfo->Str = Str;
cInfo->OutLen = Put - cInfo->Buf;
return(Continue);
}
/*----- JIS-->SHIFT-JIS漢字コードに変換の半角カタカナの処理 -------------------
*
* Parameter
* CODECONVINFO *cInfo : 漢字コード変換情報
* char Dt : 文字
* char *Put : データセット位置
*
* Return Value
* char *次のデータセット位置
*----------------------------------------------------------------------------*/
static char *ConvJIStoSJISkanaProc(CODECONVINFO *cInfo, char Dt, char *Put)
{
int Kcode;
int Daku;
Dt = (uchar)Dt + (uchar)0x80;
if(cInfo->KanaCnv == NO)
{
if((uchar)Dt != (uchar)0x80)
*Put++ = Dt;
}
else
{
if(cInfo->KanaPrev != 0)
{
Daku = AskDakuon(cInfo->KanaPrev, Dt);
Kcode = _mbcjistojms(HanKataToZen(cInfo->KanaPrev)) + Daku;
*Put++ = HIGH8(Kcode);
*Put++ = LOW8(Kcode);
if((Daku == 0) && ((uchar)Dt != (uchar)0x80))
cInfo->KanaPrev = Dt;
else
cInfo->KanaPrev = 0;
}
else if((uchar)Dt != (uchar)0x80)
cInfo->KanaPrev = Dt;
}
return(Put);
}
/*----- Samba-HEX/Samba-CAP漢字コードをSHIFT-JIS漢字コードに変換 --------------
*
* Parameter
* CODECONVINFO *cInfo : 漢字コード変換情報
*
* Return Value
* int くり返しフラグ (YES/NO)
*
* Note
* くり返しフラグがYESの時は、cInfoの内容を変えずにもう一度呼ぶこと
* 分割された入力文字列の変換はサポートしていない
* 半角カタカナの変換設定には対応していない
*----------------------------------------------------------------------------*/
int ConvSMBtoSJIS(CODECONVINFO *cInfo)
{
char *Str;
char *Put;
char *Limit;
int Continue;
Continue = NO;
Str = cInfo->Str;
Put = cInfo->Buf;
Limit = cInfo->Buf + cInfo->BufSize - 2;
for(; cInfo->StrLen > 0; cInfo->StrLen--)
{
if(Put >= Limit)
{
Continue = YES;
break;
}
if((*Str == SAMBA_HEX_TAG) && (cInfo->StrLen >= 3))
{
if(isxdigit(*(Str+1)) && isxdigit(*(Str+2)))
{
*Put++ = N2INT(hex2bin(*(Str+1)), hex2bin(*(Str+2)));
Str += 3;
cInfo->StrLen -= 2;
}
else
*Put++ = *Str++;
}
else
*Put++ = *Str++;
}
cInfo->Str = Str;
cInfo->OutLen = Put - cInfo->Buf;
return(Continue);
}
/*----- SHIFT-JIS漢字コードをEUC漢字コードに変換 ------------------------------
*
* Parameter
* CODECONVINFO *cInfo : 漢字コード変換情報
*
* Return Value
* int くり返しフラグ (YES/NO)
*
* Note
* くり返しフラグがYESの時は、cInfoの内容を変えずにもう一度呼ぶこと
*----------------------------------------------------------------------------*/
int ConvSJIStoEUC(CODECONVINFO *cInfo)
{
int Kcode;
char *Str;
char *Put;
char *Limit;
int Continue;
cInfo->KanaProc = &ConvSJIStoEUCkanaProc;
Continue = NO;
Str = cInfo->Str;
Put = cInfo->Buf;
Limit = cInfo->Buf + cInfo->BufSize - 2;
for(; cInfo->StrLen > 0; cInfo->StrLen--)
{
if(Put >= Limit)
{
Continue = YES;
break;
}
if(cInfo->KanjiFst == 0)
{
if((((uchar)*Str >= (uchar)0x81) && ((uchar)*Str <= (uchar)0x9F)) ||
((uchar)*Str >= (uchar)0xE0))
{
Put = ConvSJIStoEUCkanaProc(cInfo, 0, Put);
cInfo->KanjiFst = *Str++;
}
else if(((uchar)*Str >= (uchar)0xA0) && ((uchar)*Str <= (uchar)0xDF))
{
Put = ConvSJIStoEUCkanaProc(cInfo, *Str++, Put);
}
else
{
Put = ConvSJIStoEUCkanaProc(cInfo, 0, Put);
*Put++ = *Str++;
}
}
else
{
if((uchar)*Str >= (uchar)0x40)
{
Kcode = ConvertIBMExtendedChar(((uchar)cInfo->KanjiFst * 0x100) + (uchar)*Str++);
Kcode = _mbcjmstojis(Kcode);
*Put++ = HIGH8(Kcode) | 0x80;
*Put++ = LOW8(Kcode) | 0x80;
}
else
{
*Put++ = cInfo->KanjiFst;
*Put++ = *Str++;
}
cInfo->KanjiFst = 0;
}
}
cInfo->Str = Str;
cInfo->OutLen = Put - cInfo->Buf;
return(Continue);
}
/*----- SHIFT-JIS-->EUC漢字コードに変換の半角カタカナの処理 -------------------
*
* Parameter
* CODECONVINFO *cInfo : 漢字コード変換情報
* char Dt : 文字
* char *Put : データセット位置
*
* Return Value
* char *次のデータセット位置
*----------------------------------------------------------------------------*/
static char *ConvSJIStoEUCkanaProc(CODECONVINFO *cInfo, char Dt, char *Put)
{
int Kcode;
int Daku;
if(cInfo->KanaCnv == NO)
{
if(Dt != 0)
{
Kcode = 0x8E00 + (uchar)Dt;
*Put++ = HIGH8(Kcode) | 0x80;
*Put++ = LOW8(Kcode) | 0x80;
}
}
else
{
if(cInfo->KanaPrev != 0)
{
Daku = AskDakuon(cInfo->KanaPrev, Dt);
Kcode = HanKataToZen(cInfo->KanaPrev) + Daku;
*Put++ = HIGH8(Kcode) | 0x80;
*Put++ = LOW8(Kcode) | 0x80;
if(Daku == 0)
cInfo->KanaPrev = Dt;
else
cInfo->KanaPrev = 0;
}
else
cInfo->KanaPrev = Dt;
}
return(Put);
}
/*----- SHIFT-JIS漢字コードをJIS漢字コードに変換 ------------------------------
*
* Parameter
* CODECONVINFO *cInfo : 漢字コード変換情報
*
* Return Value
* int くり返しフラグ (YES/NO)
*
* Note
* くり返しフラグがYESの時は、cInfoの内容を変えずにもう一度呼ぶこと
*
* エスケープコードは、次のものを使用する
* 漢字開始 <ESC>$B
* 半角カナ開始 <ESC>(I
* 漢字終了 <ESC>(B
*----------------------------------------------------------------------------*/
int ConvSJIStoJIS(CODECONVINFO *cInfo)
{
int Kcode;
char *Str;
char *Put;
char *Limit;
int Continue;
cInfo->KanaProc = &ConvSJIStoJISkanaProc;
Continue = NO;
Str = cInfo->Str;
Put = cInfo->Buf;
Limit = cInfo->Buf + cInfo->BufSize - 5;
for(; cInfo->StrLen > 0; cInfo->StrLen--)
{
if(Put >= Limit)
{
Continue = YES;
break;
}
if(cInfo->KanjiFst == 0)
{
if((((uchar)*Str >= (uchar)0x81) && ((uchar)*Str <= (uchar)0x9F)) ||
((uchar)*Str >= (uchar)0xE0))
{
Put = ConvSJIStoJISkanaProc(cInfo, 0, Put);
cInfo->KanjiFst = *Str++;
}
else if(((uchar)*Str >= (uchar)0xA0) && ((uchar)*Str <= (uchar)0xDF))
{
Put = ConvSJIStoJISkanaProc(cInfo, *Str++, Put);
}
else
{
Put = ConvSJIStoJISkanaProc(cInfo, 0, Put);
if(cInfo->KanjiMode != CONV_ASCII)
{
*Put++ = 0x1B;
*Put++ = '(';
*Put++ = 'B';
cInfo->KanjiMode = CONV_ASCII;
}
*Put++ = *Str++;
}
}
else
{
Put = ConvSJIStoJISkanaProc(cInfo, 0, Put);
if((uchar)*Str >= (uchar)0x40)
{
if(cInfo->KanjiMode != CONV_KANJI)
{
*Put++ = 0x1B;
*Put++ = '$';
*Put++ = 'B';
cInfo->KanjiMode = CONV_KANJI;
}
Kcode = ConvertIBMExtendedChar(((uchar)cInfo->KanjiFst * 0x100) + (uchar)*Str++);
Kcode = _mbcjmstojis(Kcode);
*Put++ = HIGH8(Kcode);
*Put++ = LOW8(Kcode);
}
else
{
if(cInfo->KanjiMode != CONV_ASCII)
{
*Put++ = 0x1B;
*Put++ = '(';
*Put++ = 'B';
cInfo->KanjiMode = CONV_ASCII;
}
*Put++ = cInfo->KanjiFst;
*Put++ = *Str++;