/*
* JAVA
* This is ISO 8859-1 with \uXXXX escape sequences, denoting Unicode characters.
*/
static int
java_mbtowc (conv_t conv, wchar_t *pwc, const unsigned char *s, int n)
{
unsigned char c;
wchar_t wc;
int i;
c = s[0];
if (c != '\\') {
*pwc = c;
return 1;
}
if (n < 2)
return RET_TOOFEW(0);
if (s[1] != 'u')
goto simply_backslash;
wc = 0;
for (i = 2; i < 6; i++) {
if (n <= i)
return RET_TOOFEW(0);
c = s[i];
if (c >= '0' && c <= '9')
c -= '0';
else if (c >= 'A' && c <= 'Z')
c -= 'A'-10;
else if (c >= 'a' && c <= 'z')
c -= 'a'-10;
else
goto simply_backslash;
wc |= (wchar_t) c << (4 * (5-i));
}
*pwc = wc;
return 6;
simply_backslash:
*pwc = '\\';
return 1;
}
static int
java_wctomb (conv_t conv, unsigned char *r, wchar_t wc, int n)
{
if (wc < 0x80) {
*r = wc;
return 1;
} else {
if (n >= 6) {
unsigned int i;
r[0] = '\\';
r[1] = 'u';
i = (wc >> 12) & 0x0f; r[2] = (i < 10 ? '0'+i : 'a'-10+i);
i = (wc >> 8) & 0x0f; r[3] = (i < 10 ? '0'+i : 'a'-10+i);
i = (wc >> 4) & 0x0f; r[4] = (i < 10 ? '0'+i : 'a'-10+i);
i = wc & 0x0f; r[5] = (i < 10 ? '0'+i : 'a'-10+i);
return 6;
} else
return RET_TOOSMALL;
}
}
