/**
* Returns an Net_URL2 instance representing an absolute URL relative to
* this URL.
*
* @param Net_URL2|string $reference relative URL
*
* @throws Exception
* @return $this
*/
public function resolve($reference)
{
if (!$reference instanceof Net_URL2) {
$reference = new self($reference);
}
if (!$reference->_isFragmentOnly() && !$this->isAbsolute()) {
throw new Exception('Base-URL must be absolute if reference is not fragment-only');
}
// A non-strict parser may ignore a scheme in the reference if it is
// identical to the base URI's scheme.
if (!$this->getOption(self::OPTION_STRICT) && $reference->_scheme == $this->_scheme) {
$reference->_scheme = false;
}
$target = new self('');
if ($reference->_scheme !== false) {
$target->_scheme = $reference->_scheme;
$target->setAuthority($reference->getAuthority());
$target->_path = self::removeDotSegments($reference->_path);
$target->_query = $reference->_query;
} else {
$authority = $reference->getAuthority();
if ($authority !== false) {
$target->setAuthority($authority);
$target->_path = self::removeDotSegments($reference->_path);
$target->_query = $reference->_query;
} else {
if ($reference->_path == '') {
$target->_path = $this->_path;
if ($reference->_query !== false) {
$target->_query = $reference->_query;
} else {
$target->_query = $this->_query;
}
} else {
if (substr($reference->_path, 0, 1) == '/') {
$target->_path = self::removeDotSegments($reference->_path);
} else {
// Merge paths (RFC 3986, section 5.2.3)
if ($this->_host !== false && $this->_path == '') {
$target->_path = '/' . $reference->_path;
} else {
$i = strrpos($this->_path, '/');
if ($i !== false) {
$target->_path = substr($this->_path, 0, $i + 1);
}
$target->_path .= $reference->_path;
}
$target->_path = self::removeDotSegments($target->_path);
}
$target->_query = $reference->_query;
}
$target->setAuthority($this->getAuthority());
}
$target->_scheme = $this->_scheme;
}
$target->_fragment = $reference->_fragment;
return $target;
}
