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<?php |
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namespace GoetasWebservices\XML\XSDReader\Utils; |
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class UrlUtils |
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{ |
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/** |
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* @param string $base |
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* @param string $rel |
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* |
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* @return string |
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*/ |
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public static function resolveRelativeUrl($base, $rel) |
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{ |
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if (!$rel) { |
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return $base; |
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} |
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/* return if already absolute URL */ |
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if (parse_url($rel, PHP_URL_SCHEME) !== null || substr($rel, 0, 2) === '//') { |
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return $rel; |
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} |
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/* queries and anchors */ |
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if ($rel[0] === '#' || $rel[0] === '?') { |
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return $base.$rel; |
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} |
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return static::resolveRelativeUrlAfterEarlyChecks($base, $rel); |
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} |
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/** |
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* @param string $base |
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* @param string $rel |
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* |
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* @return string |
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*/ |
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protected static function resolveRelativeUrlAfterEarlyChecks($base, $rel) |
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{ |
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$re = array( |
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'#(/\.?/)#', |
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'#/(?!\.\.)[^/]+/\.\./#' |
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); |
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/* fix url file for Windows */ |
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$base = preg_replace('#^file:\/\/([^/])#', 'file:///\1', $base); |
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/* |
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* parse base URL and convert to local variables: |
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* $scheme, $host, $path |
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*/ |
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$parts = parse_url($base); |
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/* remove non-directory element from path */ |
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$path = isset($parts['path']) ? preg_replace('#/[^/]*$#', '', $parts["path"]) : ''; |
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/* destroy path if relative url points to root */ |
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if ($rel[0] === '/') { |
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$path = ''; |
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} |
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/* Build absolute URL */ |
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$abs = ''; |
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if (isset($parts["host"])) { |
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$abs .= $parts['host']; |
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} |
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if (isset($parts["port"])) { |
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$abs .= ":".$parts["port"]; |
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} |
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$abs .= $path."/".$rel; |
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/* |
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* replace superfluous slashes with a single slash. |
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* covers: |
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* // |
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* /./ |
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* /foo/../ |
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*/ |
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$n = 1; |
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do { |
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$abs = preg_replace($re, '/', $abs, -1, $n); |
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} while ($n > 0); |
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if (isset($parts["scheme"])) { |
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$abs = $parts["scheme"].'://'.$abs; |
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} |
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return $abs; |
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} |
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} |
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SignpostMarv /
xsd-reader
