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- /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
- *
- * The contents of this file are subject to the Netscape Public License
- * Version 1.0 (the "NPL"); you may not use this file except in
- * compliance with the NPL. You may obtain a copy of the NPL at
- * http://www.mozilla.org/NPL/
- *
- * Software distributed under the NPL is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
- * for the specific language governing rights and limitations under the
- * NPL.
- *
- * The Initial Developer of this code under the NPL is Netscape
- * Communications Corporation. Portions created by Netscape are
- * Copyright (C) 1998 Netscape Communications Corporation. All Rights
- * Reserved.
- */
- /* autokr.c */
-
- #include "intlpriv.h"
- #include "xp.h"
- #include "libi18n.h"
-
- MODULE_PRIVATE int16 intl_detect_KCSID( uint16 defaultCSID, const unsigned char *buf, int32 len )
- {
- register const unsigned char *cp = buf;
- /* CS_2022_KR is 7bit. Scan to end of 7bit data or legitimate KOREAN ESC sequence. */
- while( len && !( *cp & 0x80 ) ){
- /* CS_2022_KR ESC $ ) C */
- if(( cp[0] == ESC && len > 3 && ( cp[1] == '$' && cp[2] == ')' && cp[3] == 'C' ) ) ||
- (SI == *cp) || (SO == *cp) )
- return CS_2022_KR;
- cp++, len--;
- }
-
- if( len > 0 ) return CS_KSC_8BIT; /* it is not Roman */
-
- return CS_ASCII; /* Could be any of the 3... */
- }
-
-
-
- /* Auto Detect Korean Char Code Conversion : jliu */
- MODULE_PRIVATE unsigned char *
- autoKCCC (CCCDataObject obj, const unsigned char *s, int32 l)
- {
- int16 doc_csid = 0;
-
- /* Use 1st stream data block to guess doc Korean CSID. */
- doc_csid = intl_detect_KCSID (INTL_GetCCCDefaultCSID(obj),(const unsigned char *) s, l);
-
- if( doc_csid == CS_ASCII ){ /* return s unconverted and */
- INTL_SetCCCLen(obj, l);
- return (unsigned char *)s; /* autodetect next block of stream data */
- }
-
- /* Setup converter function for success streams data blocks */
-
- (void)INTL_GetCharCodeConverter( doc_csid, INTL_GetCCCToCSID(obj), obj );
- INTL_CallCCCReportAutoDetect(obj, doc_csid);
-
-
- /* If no conversion needed, change put_block module for successive
- * data blocks. For current data block, return unmodified buffer.
- */
- if (INTL_GetCCCCvtfunc(obj) == NULL) {
- INTL_SetCCCLen(obj, l);
- return((unsigned char *) s);
- }
- /* For initial block, must call converter directly. Success calls
- * to the converter will be called directly from net_CharCodeConv()
- */
- return (unsigned char *)(INTL_GetCCCCvtfunc(obj)) (obj, (const unsigned char*)s, l);
- }
-
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