inline void to_lower_case_ascii(dom::DOMString &s)
{
typedef dom::DOMString::const_iterator iter;
typedef dom::DOMString::value_type char_type;
typedef dom::DOMString::traits_type traits;
iter const b = s.begin();
iter const e = s.end();
iter i = b;
traits::int_type v;
for (;;) {
if (i == e) return; // Nothing needs to be done
v = traits::to_int_type(*i);
if (0x7F < v) {
s = dom::to_lower_case(s); // Full Unicode upper casing
return;
}
if (0x41 <= v && v <= 0x5A) break; // Detect upper case ASCII
++i;
}
dom::DOMString s2;
s2.reserve(s.size());
s2.append(b, i);
s2.append(1, traits::to_char_type(v + 0x20)); // Convert detected character
for (;;) {
if (++i == e) break;
char_type c = *i;
v = traits::to_int_type(c);
if (0x7F < v) {
s = dom::to_lower_case(s); // Full Unicode upper casing
return;
}
if (0x41 <= v && v <= 0x5A) c = traits::to_char_type(v + 0x20);
s2.append(1, c);
}
s = s2;
}
inline bool validate_xml_1_0_name(dom::DOMString const &name)
{
typedef dom::DOMString::const_iterator iter;
typedef dom::DOMString::traits_type traits;
typedef traits::int_type int_type;
iter const begin = name.begin(), end = name.end();
for (iter i=begin; i!=end; ++i) {
int_type const v = traits::to_int_type(*i);
if (v < 0xC0) { // 0x0 <= v < 0xC0
if (v < 0x5B) { // 0x0 <= v < 0x5B
if (v < 0x41) { // 0x0 <= v < 0x41
if (v < 0x30) { // 0x0 <= v < 0x30
if (v != 0x2D && v != 0x2E) return 0;
// '-' or '.' --> good unless first char!
if (i == begin) return 0;
}
else if (0x3A <= v) { // 0x3A <= v < 0x41
if (v != 0x3A) return 0;
// ':' --> good!
}
else { // '0' <= v <= '9' --> good unless first char!
if (i == begin) return 0;
}
}
else {} // 'A' <= v <= 'Z' --> good!
}
else if (v < 0x7B) { // 0x5B <= v < 0x7B
if (v < 0x61) { // 0x5B <= v < 0x61
if (v != 0x5F) return 0;
// '_' --> good!
}
else {} // 'a' <= v <= 'z' --> good!
}
else { // 0x7B <= v < 0xC0
if (v != 0xB7) return 0;
// 0xB7 --> good unless first char!
if (i == begin) return 0;
}
}
else if (v <= 0x3000) { // 0xC0 <= v <= 0x3000
if (v < 0x2000) { // 0xC0 <= v < 0x2000
if (v <= 0x37E) { // 0xC0 <= v <= 0x37E
if (v < 0x300) { // 0xC0 <= v < 0x300
if (v <= 0xF7) { // 0xC0 <= v <= 0xF7
if (v == 0xD7 || v == 0xF7) return 0;
// 0xC0 <= v < 0xD7 or 0xD7 < v < 0xF7 --> good!
}
else {} // 0xF7 < v < 0x300 --> good!
}
else { // 0x300 <= v <= 0x37E
if (v < 0x370) { // 0x300 <= v < 0x370 --> good unless first char!
if (i == begin) return 0;
}
else { // 0x370 <= v <= 0x37E
if (v == 0x37E) return 0;
// 0x370 <= v < 0x37E --> good!
}
}
}
else {} // 0x37E < v < 0x2000 --> good!
}
else { // 0x2000 <= v <= 0x3000
if (v < 0x2190) { // 0x2000 <= v < 0x2190
if (v < 0x2070) { // 0x2000 <= v < 0x2070
if (v <= 0x203E) { // 0x2000 <= v <= 0x203E
if (v < 0x200E) { // 0x2000 <= v < 0x200E
if (v <= 0x200B) return 0; // 0x2000 <= v <= 0x200B --> bad!
// 0x200B < v < 0x200E --> good!
}
else return 0; // 0x200E <= v <= 0x203E --> bad!
}
else { // 0x203E < v < 0x2070
if (v <= 0x2040) { // 0x203E < v <= 0x2040 --> good unless first char!
if (i == begin) return 0;
}
else return 0; // 0x2040 < v < 0x2070 --> bad!
}
}
else {} // 0x2070 <= v < 0x2190 --> good!
}
else { // 0x2190 <= v <= 0x3000
if (v < 0x2C00) return 0; // 0x2190 <= v < 0x2C00 --> bad!
if (0x2FF0 <= v) return 0; // 0x2FF0 <= v <= 0x3000 --> bad!
// 0x2C00 <= v < 0x2FF0 --> good!
}
}
}
else { // 0x3000 < v <= 0xFFFF
if (0xD800 <= v) { // 0xD800 <= v <= 0xFFFF
if (v < 0xDC00) { // 0xD800 <= v < 0xDC00
// Combine UTF-16 surrogates
if (++i == end) return 0; // Incomplete surrogate pair
int_type const v2 = traits::to_int_type(*i);
if (v2 < 0xDC00 || 0xE000 <= v2) return 0; // Invalid high surrogate
core::UIntFast32 w = 0x10000 + (core::UIntFast32(v-0xD800)<<10) + (v2-0xDC00);
if (0xF0000 <= w) return 0; // 0xF0000 <= w --> bad!
// 0x10000 <= w < 0xF0000 --> good!
}
else { // 0xDC00 <= v <= 0xFFFF
if (v < 0xFDD0) { // 0xDC00 <= v < 0xFDD0
if (v < 0xF900) return 0; // 0xDC00 <= v < 0xF900 --> bad!
// 0xF900 <= v < 0xFDD0 --> good!
}
else { // 0xFDD0 <= v <= 0xFFFF
if (v < 0xFDF0) return 0; // 0xFDD0 <= v < 0xFDF0 --> bad!
if (0xFFFE <= v) return 0; // 0xFFFE or 0xFFFF --> bad!
// 0xFDF0 <= v < 0xFFFE --> good!
}
}
}
else {} // 0x3000 < v < 0xD800 --> good!
}
}
return 1;
}