bool KURL::setProtocol(const String& protocol)
{
// Firefox and IE remove everything after the first ':'.
int separatorPosition = protocol.find(':');
String newProtocol = protocol.substring(0, separatorPosition);
// If KURL is given an invalid scheme, it returns failure without modifying
// the URL at all. This is in contrast to most other setters which modify
// the URL and set "m_isValid."
url_canon::RawCanonOutputT<char> canonProtocol;
url_parse::Component protocolComponent;
if (!url_canon::CanonicalizeScheme(newProtocol.characters(),
url_parse::Component(0, newProtocol.length()),
&canonProtocol, &protocolComponent)
|| !protocolComponent.is_nonempty())
return false;
KURLGooglePrivate::Replacements replacements;
replacements.SetScheme(CharactersOrEmpty(newProtocol),
url_parse::Component(0, newProtocol.length()));
m_url.replaceComponents(replacements);
// isValid could be false but we still return true here. This is because
// WebCore or JS scripts can build up a URL by setting individual
// components, and a JS exception is based on the return value of this
// function. We want to throw the exception and stop the script only when
// its trying to set a bad protocol, and not when it maybe just hasn't
// finished building up its final scheme.
return true;
}
void KURL::setProtocol(const String& protocol)
{
KURLGooglePrivate::Replacements replacements;
replacements.SetScheme(CharactersOrEmpty(protocol),
url_parse::Component(0, protocol.length()));
m_url.replaceComponents(replacements);
}