void HTMLAnchorElement::setHost(const String& value)
{
if (value.isEmpty())
return;
KURL url = href();
if (!url.canSetHostOrPort())
return;
size_t separator = value.find(':');
if (!separator)
return;
if (separator == notFound)
url.setHostAndPort(value);
else {
unsigned portEnd;
unsigned port = parsePortFromStringPosition(value, separator + 1, portEnd);
if (!port) {
// http://dev.w3.org/html5/spec/infrastructure.html#url-decomposition-idl-attributes
// specifically goes against RFC 3986 (p3.2) and
// requires setting the port to "0" if it is set to empty string.
url.setHostAndPort(value.substring(0, separator + 1) + "0");
} else {
if (isDefaultPortForProtocol(port, url.protocol()))
url.setHostAndPort(value.substring(0, separator));
else
url.setHostAndPort(value.substring(0, portEnd));
}
}
setHref(url.string());
}
void HTMLAnchorElement::setPort(const String& value)
{
KURL url = href();
if (!url.canSetHostOrPort())
return;
// http://dev.w3.org/html5/spec/infrastructure.html#url-decomposition-idl-attributes
// specifically goes against RFC 3986 (p3.2) and
// requires setting the port to "0" if it is set to empty string.
unsigned port = value.toUInt();
if (isDefaultPortForProtocol(port, url.protocol()))
url.removePort();
else
url.setPort(port);
setHref(url.string());
}
void HTMLAnchorElement::setHostname(const String& value)
{
// Before setting new value:
// Remove all leading U+002F SOLIDUS ("/") characters.
unsigned i = 0;
unsigned hostLength = value.length();
while (value[i] == '/')
i++;
if (i == hostLength)
return;
KURL url = href();
if (!url.canSetHostOrPort())
return;
url.setHost(value.substring(i));
setHref(url.string());
}