#include "config.h"
#include <string.h>
#ifdef TEST
#include <stdio.h>
#include <locale.h>
#include <langinfo.h>
#endif
#define digit(x) ((x) >= '0' && (x) <= '9')
static char buf[16];
const char *norm_charmap(const char *name)
{
char *p;
if (!name)
return name;
if (!strcmp(name, "UTF-8"))
return "UTF-8";
if (!strcmp(name, "EUC-JP"))
return "EUC-JP";
if (!strcmp(name, "EUC-KR"))
return "EUC-KR";
if (!strcmp(name, "EUC-TW"))
return "EUC-TW";
if (!strcmp(name, "KOI8-R"))
return "KOI8-R";
if (!strcmp(name, "KOI8-U"))
return "KOI8-U";
if (!strcmp(name, "GBK"))
return "GBK";
if (!strcmp(name, "GB2312"))
return "GB2312";
if (!strcmp(name, "GB18030"))
return "GB18030";
if (!strcmp(name, "VSCII"))
return "VSCII";
if (!strcmp(name, "ASCII") ||
!strcmp(name, "US-ASCII") ||
!strcmp(name, "ANSI_X3.4-1968") ||
!strcmp(name, "646") ||
!strcmp(name, "ISO646") ||
!strcmp(name, "ISO_646.IRV"))
return "US-ASCII";
if ((p = strstr(name, "8859-"))) {
memcpy(buf, "ISO-8859-\0\0", 12);
p += 5;
if (digit(*p)) {
buf[9] = *p++;
if (digit(*p)) buf[10] = *p++;
return buf;
}
}
if ((p = strstr(name, "CP12"))) {
memcpy(buf, "WINDOWS-12\0\0", 13);
p += 4;
if (digit(*p)) {
buf[10] = *p++;
if (digit(*p)) buf[11] = *p++;
return buf;
}
}
if (!strcmp(name, "TIS-620") ||
!strcmp(name, "TIS620.2533"))
return "ISO-8859-11";
if (!strcmp(name, "Big5") || !strcmp(name, "BIG5"))
return "Big5";
if (!strcmp(name, "Big5HKSCS") || !strcmp(name, "BIG5HKSCS"))
return "Big5HKSCS";
#ifdef TEST
printf("**** Unknown encoding name '%s'!\n", name);
#endif
return name;
}
#ifdef TEST
int main(int argc, char **argv)
{
char *s;
if (argc > 1)
s = argv[1];
else {
setlocale(LC_CTYPE, "");
s = nl_langinfo(CODESET);
}
printf("%s -> %s\n", s, norm_charmap(s));
return 0;
}
#endif