70 lines
1.4 KiB
C
70 lines
1.4 KiB
C
|
/* Copyright (c) 1998, 1999 Thai Open Source Software Center Ltd
|
||
|
|
See the file COPYING for copying permission.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "codepage.h"
|
||
|
|
#include "internal.h" /* for UNUSED_P only */
|
||
|
|
|
||
|
|
#if defined(_WIN32)
|
||
|
|
#define STRICT 1
|
||
|
|
#define WIN32_LEAN_AND_MEAN 1
|
||
|
|
|
||
|
|
#include <windows.h>
|
||
|
|
|
||
|
|
int
|
||
|
|
codepageMap(int cp, int *map)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
CPINFO info;
|
||
|
|
if (!GetCPInfo(cp, &info) || info.MaxCharSize > 2)
|
||
|
|
return 0;
|
||
|
|
for (i = 0; i < 256; i++)
|
||
|
|
map[i] = -1;
|
||
|
|
if (info.MaxCharSize > 1) {
|
||
|
|
for (i = 0; i < MAX_LEADBYTES; i+=2) {
|
||
|
|
int j, lim;
|
||
|
|
if (info.LeadByte[i] == 0 && info.LeadByte[i + 1] == 0)
|
||
|
|
break;
|
||
|
|
lim = info.LeadByte[i + 1];
|
||
|
|
for (j = info.LeadByte[i]; j <= lim; j++)
|
||
|
|
map[j] = -2;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
for (i = 0; i < 256; i++) {
|
||
|
|
if (map[i] == -1) {
|
||
|
|
char c = (char)i;
|
||
|
|
unsigned short n;
|
||
|
|
if (MultiByteToWideChar(cp, MB_PRECOMPOSED|MB_ERR_INVALID_CHARS,
|
||
|
|
&c, 1, &n, 1) == 1)
|
||
|
|
map[i] = n;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
int
|
||
|
|
codepageConvert(int cp, const char *p)
|
||
|
|
{
|
||
|
|
unsigned short c;
|
||
|
|
if (MultiByteToWideChar(cp, MB_PRECOMPOSED|MB_ERR_INVALID_CHARS,
|
||
|
|
p, 2, &c, 1) == 1)
|
||
|
|
return c;
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
#else /* not _WIN32 */
|
||
|
|
|
||
|
|
int
|
||
|
|
codepageMap(int UNUSED_P(cp), int *UNUSED_P(map))
|
||
|
|
{
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
int
|
||
|
|
codepageConvert(int UNUSED_P(cp), const char *UNUSED_P(p))
|
||
|
|
{
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* not _WIN32 */
|