| /* 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 */ |