void DOMTokenListImp::add(Variadic<std::u16string> tokens)
{
for (size_t i = 0; i < tokens.size(); ++i) {
std::u16string token = tokens[i];
stripLeadingAndTrailingWhitespace(token);
if (token.empty())
continue; // TODO: throw
if (!contains(token))
this->tokens.push_back(token);
}
update();
}
bool HTMLElementImp::toUnsigned(std::u16string& value)
{
stripLeadingAndTrailingWhitespace(value);
if (value.empty())
return false;
const char16_t* s = value.c_str();
while (*s) {
if (!isDigit(*s))
return false;
++s;
}
return true;
}
void DOMTokenListImp::remove(Variadic<std::u16string> tokens)
{
for (size_t i = 0; i < tokens.size(); ++i) {
std::u16string token = tokens[i];
stripLeadingAndTrailingWhitespace(token);
if (token.empty())
continue; // TODO: throw
auto found = std::find(this->tokens.begin(), this->tokens.end(), token);
if (found != this->tokens.end())
this->tokens.erase(found);
}
update();
}
bool DOMTokenListImp::toggle(const std::u16string& token)
{
std::u16string t(token);
stripLeadingAndTrailingWhitespace(t);
if (t.empty())
return false; // TODO: throw
auto found = std::find(tokens.begin(), tokens.end(), t);
if (found != tokens.end()) {
tokens.erase(found);
update();
return false;
} else {
tokens.push_back(t);
update();
return true;
}
}
bool HTMLElementImp::toPxOrPercentage(std::u16string& value)
{
stripLeadingAndTrailingWhitespace(value);
if (value.empty())
return false;
const char16_t* s = value.c_str();
while (*s) {
if (*s == '%')
break;
if (!isDigit(*s))
return false;
++s;
}
if (!*s) {
value += u"px";
return true;
}
assert(*s == '%');
if (!s[1] && 1 < value.length())
return true;
return false;
}
