////////////////////////////////////////////////////////////////////////////////
// Note: Assumes 4-digit hex codepoints:
// xxxx
// \uxxxx
// U+xxxx
unsigned int utf8_codepoint (const std::string& input)
{
unsigned int codepoint = 0;
int length = input.length ();
// U+xxxx, \uxxxx
if (length >= 6 &&
((input[0] == 'U' && input[1] == '+') ||
(input[0] == '\\' && input[1] == 'u')))
{
codepoint = XDIGIT (input[2]) << 12 |
XDIGIT (input[3]) << 8 |
XDIGIT (input[4]) << 4 |
XDIGIT (input[5]);
}
else if (length >= 4)
{
codepoint = XDIGIT (input[0]) << 12 |
XDIGIT (input[1]) << 8 |
XDIGIT (input[2]) << 4 |
XDIGIT (input[3]);
}
else
throw std::string (STRING_UTF8_INVALID_CP_REP);
return codepoint;
}
////////////////////////////////////////////////////////////////////////////////
// Note: Assumes 4-digit hex codepoints:
// xxxx
// \uxxxx
// U+xxxx
unsigned int utf8_codepoint (const std::string& input)
{
unsigned int codepoint = 0;
int length = input.length ();
// U+xxxx, \uxxxx
if (length >= 6 &&
((input[0] == 'U' && input[1] == '+') ||
(input[0] == '\\' && input[1] == 'u')))
{
codepoint = XDIGIT (input[2]) << 12 |
XDIGIT (input[3]) << 8 |
XDIGIT (input[4]) << 4 |
XDIGIT (input[5]);
}
else if (length >= 4)
{
codepoint = XDIGIT (input[0]) << 12 |
XDIGIT (input[1]) << 8 |
XDIGIT (input[2]) << 4 |
XDIGIT (input[3]);
}
else
throw std::string ("ERROR: Invalid codepoint representation.");
return codepoint;
}
/**
* camel_url_decode:
* @part: a URL part
*
* %-decodes the passed-in URL *in place*. The decoded version is
* never longer than the encoded version, so there does not need to
* be any additional space at the end of the string.
*/
void
camel_url_decode (gchar *part)
{
guchar *s, *d;
g_return_if_fail (part != NULL);
#define XDIGIT(c) ((c) <= '9' ? (c) - '0' : ((c) & 0x4F) - 'A' + 10)
s = d = (guchar *) part;
do {
if (*s == '%' && isxdigit (s[1]) && isxdigit (s[2])) {
*d++ = (XDIGIT (s[1]) << 4) + XDIGIT (s[2]);
s += 2;
} else
*d++ = *s;
} while (*s++);
}
