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Diffstat (limited to 'plugins/openid/Auth/Yadis/XML.php')
| -rw-r--r-- | plugins/openid/Auth/Yadis/XML.php | 352 |
1 files changed, 0 insertions, 352 deletions
diff --git a/plugins/openid/Auth/Yadis/XML.php b/plugins/openid/Auth/Yadis/XML.php deleted file mode 100644 index cf1f5c41..00000000 --- a/plugins/openid/Auth/Yadis/XML.php +++ /dev/null @@ -1,352 +0,0 @@ -<?php - -/** - * XML-parsing classes to wrap the domxml and DOM extensions for PHP 4 - * and 5, respectively. - * - * @package OpenID - */ - -/** - * The base class for wrappers for available PHP XML-parsing - * extensions. To work with this Yadis library, subclasses of this - * class MUST implement the API as defined in the remarks for this - * class. Subclasses of Auth_Yadis_XMLParser are used to wrap - * particular PHP XML extensions such as 'domxml'. These are used - * internally by the library depending on the availability of - * supported PHP XML extensions. - * - * @package OpenID - */ -class Auth_Yadis_XMLParser { - /** - * Initialize an instance of Auth_Yadis_XMLParser with some - * XML and namespaces. This SHOULD NOT be overridden by - * subclasses. - * - * @param string $xml_string A string of XML to be parsed. - * @param array $namespace_map An array of ($ns_name => $ns_uri) - * to be registered with the XML parser. May be empty. - * @return boolean $result True if the initialization and - * namespace registration(s) succeeded; false otherwise. - */ - function init($xml_string, $namespace_map) - { - if (!$this->setXML($xml_string)) { - return false; - } - - foreach ($namespace_map as $prefix => $uri) { - if (!$this->registerNamespace($prefix, $uri)) { - return false; - } - } - - return true; - } - - /** - * Register a namespace with the XML parser. This should be - * overridden by subclasses. - * - * @param string $prefix The namespace prefix to appear in XML tag - * names. - * - * @param string $uri The namespace URI to be used to identify the - * namespace in the XML. - * - * @return boolean $result True if the registration succeeded; - * false otherwise. - */ - function registerNamespace($prefix, $uri) - { - // Not implemented. - } - - /** - * Set this parser object's XML payload. This should be - * overridden by subclasses. - * - * @param string $xml_string The XML string to pass to this - * object's XML parser. - * - * @return boolean $result True if the initialization succeeded; - * false otherwise. - */ - function setXML($xml_string) - { - // Not implemented. - } - - /** - * Evaluate an XPath expression and return the resulting node - * list. This should be overridden by subclasses. - * - * @param string $xpath The XPath expression to be evaluated. - * - * @param mixed $node A node object resulting from a previous - * evalXPath call. This node, if specified, provides the context - * for the evaluation of this xpath expression. - * - * @return array $node_list An array of matching opaque node - * objects to be used with other methods of this parser class. - */ - function &evalXPath($xpath, $node = null) - { - // Not implemented. - } - - /** - * Return the textual content of a specified node. - * - * @param mixed $node A node object from a previous call to - * $this->evalXPath(). - * - * @return string $content The content of this node. - */ - function content($node) - { - // Not implemented. - } - - /** - * Return the attributes of a specified node. - * - * @param mixed $node A node object from a previous call to - * $this->evalXPath(). - * - * @return array $attrs An array mapping attribute names to - * values. - */ - function attributes($node) - { - // Not implemented. - } -} - -/** - * This concrete implementation of Auth_Yadis_XMLParser implements - * the appropriate API for the 'domxml' extension which is typically - * packaged with PHP 4. This class will be used whenever the 'domxml' - * extension is detected. See the Auth_Yadis_XMLParser class for - * details on this class's methods. - * - * @package OpenID - */ -class Auth_Yadis_domxml extends Auth_Yadis_XMLParser { - function Auth_Yadis_domxml() - { - $this->xml = null; - $this->doc = null; - $this->xpath = null; - $this->errors = array(); - } - - function setXML($xml_string) - { - $this->xml = $xml_string; - $this->doc = @domxml_open_mem($xml_string, DOMXML_LOAD_PARSING, - $this->errors); - - if (!$this->doc) { - return false; - } - - $this->xpath = $this->doc->xpath_new_context(); - - return true; - } - - function registerNamespace($prefix, $uri) - { - return xpath_register_ns($this->xpath, $prefix, $uri); - } - - function &evalXPath($xpath, $node = null) - { - if ($node) { - $result = @$this->xpath->xpath_eval($xpath, $node); - } else { - $result = @$this->xpath->xpath_eval($xpath); - } - - if (!$result) { - $n = array(); - return $n; - } - - if (!$result->nodeset) { - $n = array(); - return $n; - } - - return $result->nodeset; - } - - function content($node) - { - if ($node) { - return $node->get_content(); - } - } - - function attributes($node) - { - if ($node) { - $arr = $node->attributes(); - $result = array(); - - if ($arr) { - foreach ($arr as $attrnode) { - $result[$attrnode->name] = $attrnode->value; - } - } - - return $result; - } - } -} - -/** - * This concrete implementation of Auth_Yadis_XMLParser implements - * the appropriate API for the 'dom' extension which is typically - * packaged with PHP 5. This class will be used whenever the 'dom' - * extension is detected. See the Auth_Yadis_XMLParser class for - * details on this class's methods. - * - * @package OpenID - */ -class Auth_Yadis_dom extends Auth_Yadis_XMLParser { - function Auth_Yadis_dom() - { - $this->xml = null; - $this->doc = null; - $this->xpath = null; - $this->errors = array(); - } - - function setXML($xml_string) - { - $this->xml = $xml_string; - $this->doc = new DOMDocument; - - if (!$this->doc) { - return false; - } - - if (!@$this->doc->loadXML($xml_string)) { - return false; - } - - $this->xpath = new DOMXPath($this->doc); - - if ($this->xpath) { - return true; - } else { - return false; - } - } - - function registerNamespace($prefix, $uri) - { - return $this->xpath->registerNamespace($prefix, $uri); - } - - function &evalXPath($xpath, $node = null) - { - if ($node) { - $result = @$this->xpath->query($xpath, $node); - } else { - $result = @$this->xpath->query($xpath); - } - - $n = array(); - - if (!$result) { - return $n; - } - - for ($i = 0; $i < $result->length; $i++) { - $n[] = $result->item($i); - } - - return $n; - } - - function content($node) - { - if ($node) { - return $node->textContent; - } - } - - function attributes($node) - { - if ($node) { - $arr = $node->attributes; - $result = array(); - - if ($arr) { - for ($i = 0; $i < $arr->length; $i++) { - $node = $arr->item($i); - $result[$node->nodeName] = $node->nodeValue; - } - } - - return $result; - } - } -} - -global $__Auth_Yadis_defaultParser; -$__Auth_Yadis_defaultParser = null; - -/** - * Set a default parser to override the extension-driven selection of - * available parser classes. This is helpful in a test environment or - * one in which multiple parsers can be used but one is more - * desirable. - * - * @param Auth_Yadis_XMLParser $parser An instance of a - * Auth_Yadis_XMLParser subclass. - */ -function Auth_Yadis_setDefaultParser($parser) -{ - global $__Auth_Yadis_defaultParser; - $__Auth_Yadis_defaultParser = $parser; -} - -function Auth_Yadis_getSupportedExtensions() -{ - return array('dom' => 'Auth_Yadis_dom', - 'domxml' => 'Auth_Yadis_domxml'); -} - -/** - * Returns an instance of a Auth_Yadis_XMLParser subclass based on - * the availability of PHP extensions for XML parsing. If - * Auth_Yadis_setDefaultParser has been called, the parser used in - * that call will be returned instead. - */ -function Auth_Yadis_getXMLParser() -{ - global $__Auth_Yadis_defaultParser; - - if (isset($__Auth_Yadis_defaultParser)) { - return $__Auth_Yadis_defaultParser; - } - - foreach(Auth_Yadis_getSupportedExtensions() as $extension => $classname) - { - if (extension_loaded($extension)) - { - $p = new $classname(); - Auth_Yadis_setDefaultParser($p); - return $p; - } - } - - return false; -} - - |