freebsd-dev/contrib/expat/xmlwf/codepage.c
Coleman Kane 220ed979de Virgin import (trimmed) of eXpat v2.0.1. Discussed and tested with
sam and phk who are the two consumers of this library. If there is
any other fallout, email me and I will take care of it.

Approved by: sam, phk
2008-05-08 13:51:16 +00:00

69 lines
1.3 KiB
C
Executable File

/* Copyright (c) 1998, 1999 Thai Open Source Software Center Ltd
See the file COPYING for copying permission.
*/
#include "codepage.h"
#if (defined(WIN32) || (defined(__WATCOMC__) && defined(__NT__)))
#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 cp, int *map)
{
return 0;
}
int
codepageConvert(int cp, const char *p)
{
return -1;
}
#endif /* not WIN32 */