/* Get length of next grapheme
*/
size_t linenoiseUtf8NextCharLen(const char* buf, size_t buf_len, size_t pos, size_t *col_len) {
size_t beg = pos;
int cp;
size_t len = utf8BytesToCodePoint(buf + pos, buf_len - pos, &cp);
if (isCombiningChar(cp)) {
/* NOTREACHED */
return 0;
}
if (col_len != NULL) *col_len = isWideChar(cp) ? 2 : 1;
pos += len;
while (pos < buf_len) {
int cp;
len = utf8BytesToCodePoint(buf + pos, buf_len - pos, &cp);
if (!isCombiningChar(cp)) return pos - beg;
pos += len;
}
return pos - beg;
}
/*!
\internal
Determines whether \a c is a valid instance of
production [4]NameChar in the XML 1.0 specification. If it
is, true is returned, otherwise false.
\sa \l {http://www.w3.org/TR/REC-xml/#NT-NameChar}
{Extensible Markup Language (XML) 1.0 (Fourth Edition), [4] NameChar}
*/
bool QXmlUtils::isNameChar(const QChar c)
{
return isBaseChar(c)
|| isDigit(c)
|| c.unicode() == '.'
|| c.unicode() == '-'
|| c.unicode() == '_'
|| c.unicode() == ':'
|| isCombiningChar(c)
|| isIdeographic(c)
|| isExtender(c);
}
/****************************************************************************
Desc: Returns TRUE if the character is a valid XML naming character
****************************************************************************/
FLMBOOL FLMAPI F_XML::isNCNameChar(
FLMUNICODE uChar)
{
if( isLetter( uChar) ||
isDigit( uChar) ||
uChar == FLM_UNICODE_PERIOD ||
uChar == FLM_UNICODE_HYPHEN ||
uChar == FLM_UNICODE_UNDERSCORE ||
isCombiningChar( uChar) || isExtender( uChar))
{
return( TRUE);
}
return( FALSE);
}
/* Get length of previous grapheme
*/
size_t linenoiseUtf8PrevCharLen(const char* buf, size_t buf_len, size_t pos, size_t *col_len) {
UNUSED(buf_len);
size_t end = pos;
while (pos > 0) {
size_t len = prevUtf8CharLen(buf, pos);
pos -= len;
int cp;
utf8BytesToCodePoint(buf + pos, len, &cp);
if (!isCombiningChar(cp)) {
if (col_len != NULL) *col_len = isWideChar(cp) ? 2 : 1;
return end - pos;
}
}
/* NOTREACHED */
return 0;
}
bool XQCharType::isNameChar(uint32_t cp)
{
return (cp == '.') || (cp == '-') || (cp == '_') || (cp == ':') ||
isLetter(cp) || isDigit(cp) || isCombiningChar(cp) || isExtender(cp);
}
