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/* knj.c: check for 2-Byte Kanji (CP 932, SJIS) codes.
Copyright 2010, 2011 Akira Kakuto.
Copyright 2013 TANAKA Takuji.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this library; if not, see <http://www.gnu.org/licenses/>. */
#include <kpathsea/config.h>
#include <kpathsea/debug.h>
int is_cp932_system, file_system_codepage;
int isknj(int c)
{
c &= 0xff;
switch (is_cp932_system) {
case 932:
return((c>=0x81 && c<=0x9f) || (c>=0xe0 && c<=0xfc));
case 936:
return(c>=0x81 && c<=0xfe);
case 950:
return((c>=0xa1 && c<=0xc6) || (c>=0xc9 && c<=0xf9));
default:
return(0);
}
}
int isknj2(int c)
{
c &= 0xff;
switch (is_cp932_system) {
case 932:
return(c>=0x40 && c<=0xfc && c!=0x7f);
case 936:
return(c>=0x40 && c<=0xfe && c!=0x7f);
case 950:
return((c>=0x40 && c<=0x7e) || (c>=0xa1 && c<=0xfe));
default:
return(0);
}
}
/*
Get wide string from multibyte string.
*/
wchar_t *
get_wstring_from_mbstring(int cp, const char *mbstr, wchar_t *wstr)
{
int len;
len = MultiByteToWideChar(cp, 0, mbstr, -1, wstr, 0);
if (len==0) {
FATAL("cannot convert string to wide string");
}
if (wstr==NULL) {
wstr = xmalloc(sizeof(wchar_t)*(len+1));
}
len = MultiByteToWideChar(cp, 0, mbstr, -1, wstr, len+1);
if (len==0) {
FATAL("cannot convert multibyte string to wide string");
}
return wstr;
}
/*
Get multibyte string from wide string.
*/
char *
get_mbstring_from_wstring(int cp, const wchar_t *wstr, char *mbstr)
{
int len;
len = WideCharToMultiByte(cp, 0, wstr, -1, mbstr, 0, NULL, NULL);
if (len==0) {
FATAL("cannot convert string to wide string");
}
if (mbstr==NULL) {
mbstr = xmalloc(len+1);
}
len = WideCharToMultiByte(cp, 0, wstr, -1, mbstr, len+1, NULL, NULL);
if (len==0) {
FATAL("cannot convert wide string to multibyte string");
}
return mbstr;
}
/*
xfopen by file system codepage
*/
FILE *
fsyscp_xfopen (const char *filename, const char *mode)
{
FILE *f;
wchar_t *fnamew, modew[4];
#if defined (KPSE_COMPAT_API)
kpathsea kpse = kpse_def;
#endif
assert(filename && mode);
fnamew = get_wstring_from_fsyscp(filename, fnamew=NULL);
get_wstring_from_fsyscp(mode, modew);
f = _wfopen(fnamew, modew);
if (f == NULL)
FATAL_PERROR(filename);
#if defined (KPSE_COMPAT_API)
if (KPATHSEA_DEBUG_P (KPSE_DEBUG_FOPEN)) {
DEBUGF_START ();
fprintf (stderr, "fsyscp_xfopen(%s [", filename);
WriteConsoleW( GetStdHandle( STD_ERROR_HANDLE ), fnamew, wcslen( fnamew ), NULL, NULL );
fprintf (stderr, "], %s) => 0x%lx\n", mode, (unsigned long) f);
DEBUGF_END ();
}
#endif
free(fnamew);
return f;
}
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