mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-01 06:35:42 +00:00
363 lines
8.4 KiB
C
363 lines
8.4 KiB
C
/* -*- 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.
|
|
*/
|
|
/* cvchcode.c */
|
|
|
|
#include "intlpriv.h"
|
|
#include "xp.h"
|
|
#include "libi18n.h"
|
|
|
|
|
|
extern cscvt_t cscvt_tbl[];
|
|
|
|
struct RealCCCDataObject {
|
|
struct INTL_CCCFuncs *funcs_pointer;
|
|
CCCRADFunc report_autodetect;
|
|
void *autodetect_closure;
|
|
CCCFunc cvtfunc;
|
|
int32 jismode;
|
|
int32 cvtflag; /* cvt func dependent flag */
|
|
unsigned char uncvtbuf[UNCVTBUF_SIZE];
|
|
uint16 default_doc_csid;
|
|
int16 from_csid;
|
|
int16 to_csid;
|
|
int retval; /* error value for return */
|
|
int32 len; /* byte len of converted buf */
|
|
};
|
|
|
|
|
|
/*
|
|
* report_autodetect
|
|
*/
|
|
PRIVATE void
|
|
CallCCCReportAutoDetect(CCCDataObject obj, uint16 detected_doc_csid)
|
|
{
|
|
struct RealCCCDataObject *c = (struct RealCCCDataObject *)obj;
|
|
if (c->report_autodetect)
|
|
(c->report_autodetect)(c->autodetect_closure, obj, detected_doc_csid);
|
|
}
|
|
|
|
PRIVATE void
|
|
SetCCCReportAutoDetect(CCCDataObject obj,
|
|
CCCRADFunc report_autodetect,
|
|
void *autodetect_closure)
|
|
{
|
|
struct RealCCCDataObject *c = (struct RealCCCDataObject *)obj;
|
|
|
|
c->report_autodetect = report_autodetect;
|
|
c->autodetect_closure = autodetect_closure;
|
|
}
|
|
|
|
/*
|
|
* cvtfunc
|
|
*/
|
|
PRIVATE CCCFunc
|
|
GetCCCCvtfunc(CCCDataObject obj)
|
|
{
|
|
struct RealCCCDataObject *c = (struct RealCCCDataObject *)obj;
|
|
|
|
return c->cvtfunc;
|
|
}
|
|
|
|
PRIVATE void
|
|
SetCCCCvtfunc(CCCDataObject obj, CCCFunc cvtfunc)
|
|
{
|
|
struct RealCCCDataObject *c = (struct RealCCCDataObject *)obj;
|
|
|
|
c->cvtfunc = cvtfunc;
|
|
}
|
|
|
|
|
|
/*
|
|
* jismode
|
|
*/
|
|
PRIVATE int32
|
|
GetCCCJismode(CCCDataObject obj)
|
|
{
|
|
struct RealCCCDataObject *c = (struct RealCCCDataObject *)obj;
|
|
|
|
return c->jismode;
|
|
}
|
|
|
|
PRIVATE void
|
|
SetCCCJismode(CCCDataObject obj, int32 jismode)
|
|
{
|
|
struct RealCCCDataObject *c = (struct RealCCCDataObject *)obj;
|
|
|
|
c->jismode = jismode;
|
|
}
|
|
|
|
/*
|
|
* cvtflag
|
|
*/
|
|
|
|
PRIVATE int32
|
|
GetCCCCvtflag(CCCDataObject obj)
|
|
{
|
|
struct RealCCCDataObject *c = (struct RealCCCDataObject *)obj;
|
|
|
|
return c->cvtflag;
|
|
}
|
|
|
|
PRIVATE void
|
|
SetCCCCvtflag(CCCDataObject obj, int32 cvtflag)
|
|
{
|
|
struct RealCCCDataObject *c = (struct RealCCCDataObject *)obj;
|
|
|
|
c->cvtflag = cvtflag;
|
|
}
|
|
|
|
/*
|
|
* uncvtbuf
|
|
*/
|
|
PRIVATE unsigned char*
|
|
GetCCCUncvtbuf(CCCDataObject obj)
|
|
{
|
|
struct RealCCCDataObject *c = (struct RealCCCDataObject *)obj;
|
|
|
|
return c->uncvtbuf;
|
|
}
|
|
|
|
/*
|
|
* len
|
|
*/
|
|
PRIVATE int32
|
|
GetCCCLen(CCCDataObject obj)
|
|
{
|
|
struct RealCCCDataObject *c = (struct RealCCCDataObject *)obj;
|
|
|
|
return c->len;
|
|
}
|
|
|
|
PRIVATE void
|
|
SetCCCLen(CCCDataObject obj, int32 len)
|
|
{
|
|
struct RealCCCDataObject *c = (struct RealCCCDataObject *)obj;
|
|
|
|
c->len = len;
|
|
}
|
|
|
|
/*
|
|
* retval
|
|
*/
|
|
PRIVATE int
|
|
GetCCCRetval(CCCDataObject obj)
|
|
{
|
|
struct RealCCCDataObject *c = (struct RealCCCDataObject *)obj;
|
|
|
|
return c->retval;
|
|
}
|
|
|
|
PRIVATE void
|
|
SetCCCRetval(CCCDataObject obj, int retval)
|
|
{
|
|
struct RealCCCDataObject *c = (struct RealCCCDataObject *)obj;
|
|
|
|
c->retval = retval;
|
|
}
|
|
|
|
/*
|
|
* default_doc_csid
|
|
*/
|
|
PRIVATE void
|
|
SetCCCDefaultCSID(CCCDataObject obj, uint16 default_doc_csid)
|
|
{
|
|
struct RealCCCDataObject *c = (struct RealCCCDataObject *)obj;
|
|
|
|
c->default_doc_csid = default_doc_csid;
|
|
}
|
|
|
|
PRIVATE uint16
|
|
GetCCCDefaultCSID(CCCDataObject obj)
|
|
{
|
|
struct RealCCCDataObject *c = (struct RealCCCDataObject *)obj;
|
|
|
|
return c->default_doc_csid;
|
|
}
|
|
|
|
/*
|
|
* from_csid
|
|
*/
|
|
PRIVATE uint16
|
|
GetCCCFromCSID(CCCDataObject obj)
|
|
{
|
|
struct RealCCCDataObject *c = (struct RealCCCDataObject *)obj;
|
|
|
|
return c->from_csid;
|
|
}
|
|
|
|
PRIVATE void
|
|
SetCCCFromCSID(CCCDataObject obj, uint16 from_csid)
|
|
{
|
|
struct RealCCCDataObject *c = (struct RealCCCDataObject *)obj;
|
|
|
|
c->from_csid = from_csid;
|
|
}
|
|
|
|
/*
|
|
* to_csid
|
|
*/
|
|
PRIVATE uint16
|
|
GetCCCToCSID(CCCDataObject obj)
|
|
{
|
|
struct RealCCCDataObject *c = (struct RealCCCDataObject *)obj;
|
|
|
|
return c->to_csid;
|
|
}
|
|
|
|
PRIVATE void
|
|
SetCCCToCSID(CCCDataObject obj, uint16 to_csid)
|
|
{
|
|
struct RealCCCDataObject *c = (struct RealCCCDataObject *)obj;
|
|
|
|
c->to_csid = to_csid;
|
|
}
|
|
|
|
|
|
PUBLIC unsigned char *
|
|
INTL_CallCharCodeConverter(CCCDataObject obj, const unsigned char *buf,
|
|
int32 bufsz)
|
|
{
|
|
return (INTL_GetCCCCvtfunc(obj))(obj, buf, bufsz);
|
|
}
|
|
|
|
|
|
/* INTL_GetCharCodeConverter:
|
|
* RETURN: 1 if converter found, else 0
|
|
* Also, sets:
|
|
* obj->cvtfunc: function handle for chararcter
|
|
* code set streams converter
|
|
* obj->cvtflag: (Optional) flag to converter
|
|
* function
|
|
* obj->from_csid: Code set converting from
|
|
* obj->to_csid: Code set converting to
|
|
* If the arg to_csid==0, then use the the conversion for the
|
|
* first conversion entry that matches the from_csid.
|
|
*/
|
|
PUBLIC int
|
|
INTL_GetCharCodeConverter( register int16 from_csid,
|
|
register int16 to_csid,
|
|
CCCDataObject obj)
|
|
{
|
|
register cscvt_t *cscvtp;
|
|
|
|
if (from_csid == CS_DEFAULT)
|
|
INTL_SetCCCFromCSID(obj, INTL_GetCCCDefaultCSID(obj));
|
|
else
|
|
INTL_SetCCCFromCSID(obj, from_csid);
|
|
|
|
if(to_csid == 0) /* unknown TO codeset */
|
|
to_csid = INTL_DocToWinCharSetID(from_csid);
|
|
INTL_SetCCCToCSID(obj, to_csid);
|
|
|
|
/* Look-up conversion method given FROM and TO char. code sets */
|
|
cscvtp = cscvt_tbl;
|
|
|
|
while (cscvtp->from_csid) {
|
|
if ((cscvtp->from_csid == from_csid) && (cscvtp->to_csid == to_csid))
|
|
break;
|
|
cscvtp++;
|
|
}
|
|
INTL_SetCCCCvtflag(obj, cscvtp->cvtflag);
|
|
INTL_SetCCCCvtfunc(obj, cscvtp->cvtmethod);
|
|
|
|
return (INTL_GetCCCCvtfunc(obj)) ? 1 : 0;
|
|
}
|
|
|
|
/* WARNING: THIS TABLE AND THE STRUCT MUST BE IN SYNC WITH EACH OTHER */
|
|
PRIVATE struct INTL_CCCFuncs ccc_funcs = {
|
|
/* set_report_autodetect */ SetCCCReportAutoDetect,
|
|
/* call_report_autodetect */ CallCCCReportAutoDetect,
|
|
/* set_cvtfunc */ SetCCCCvtfunc,
|
|
/* get_cvtfunc */ GetCCCCvtfunc,
|
|
/* set_jismode */ SetCCCJismode,
|
|
/* get_jismode */ GetCCCJismode,
|
|
/* set_cvtflag */ SetCCCCvtflag,
|
|
/* get_cvtflag */ GetCCCCvtflag,
|
|
/* get_uncvtbuf */ GetCCCUncvtbuf,
|
|
/* set_default_doc_csid */ SetCCCDefaultCSID,
|
|
/* get_default_doc_csid */ GetCCCDefaultCSID,
|
|
/* set_from_csid */ SetCCCFromCSID,
|
|
/* get_from_csid */ GetCCCFromCSID,
|
|
/* set_to_csid */ SetCCCToCSID,
|
|
/* get_to_csid */ GetCCCToCSID,
|
|
/* set_retval */ SetCCCRetval,
|
|
/* get_retval */ GetCCCRetval,
|
|
/* set_len */ SetCCCLen,
|
|
/* get_len */ GetCCCLen
|
|
};
|
|
|
|
|
|
PUBLIC CCCDataObject
|
|
INTL_CreateCharCodeConverter()
|
|
{
|
|
struct RealCCCDataObject *obj;
|
|
obj = XP_NEW_ZAP(struct RealCCCDataObject);
|
|
obj->funcs_pointer = &ccc_funcs;
|
|
obj->default_doc_csid = INTL_DefaultDocCharSetID(0);
|
|
return (CCCDataObject) obj;
|
|
}
|
|
|
|
PUBLIC void
|
|
INTL_DestroyCharCodeConverter(CCCDataObject obj)
|
|
{
|
|
XP_FREE(obj);
|
|
}
|
|
|
|
PRIVATE unsigned char *intl_conv (int16 fromcsid, int16 tocsid, unsigned char *pSrc, uint32 block_size);
|
|
PRIVATE
|
|
unsigned char *intl_conv(int16 fromcsid, int16 tocsid, unsigned char *pSrc, uint32 block_size)
|
|
{
|
|
CCCDataObject obj;
|
|
unsigned char *pDest = NULL;
|
|
if (NULL != (obj = INTL_CreateCharCodeConverter()))
|
|
{
|
|
if(0 != INTL_GetCharCodeConverter(fromcsid, tocsid, obj))
|
|
{
|
|
CCCFunc cvtfunc;
|
|
if (NULL != (cvtfunc = INTL_GetCCCCvtfunc(obj)))
|
|
{
|
|
if(pSrc == (pDest = (unsigned char *)cvtfunc(obj, pSrc, block_size)) )
|
|
{
|
|
/* if it use the same buffer to do conversion, we return NULL */
|
|
pDest = NULL;
|
|
}
|
|
}
|
|
}
|
|
INTL_DestroyCharCodeConverter(obj);
|
|
}
|
|
return pDest ;
|
|
}
|
|
|
|
PUBLIC unsigned char *
|
|
INTL_ConvertLineWithoutAutoDetect (int16 fromcsid, int16 tocsid, unsigned char *pSrc, uint32 block_size)
|
|
{
|
|
#ifdef XP_OS2
|
|
if (fromcsid != tocsid)
|
|
{
|
|
return intl_conv(fromcsid, tocsid, pSrc, block_size);
|
|
else
|
|
{
|
|
return XP_STRDUP(pSrc);
|
|
}
|
|
#else
|
|
return intl_conv(fromcsid, tocsid, pSrc, block_size);
|
|
#endif /* XP_OS2 */
|
|
}
|
|
|
|
|