313 lines
		
	
	
		
			9.5 KiB
		
	
	
	
		
			PHP
		
	
	
	
			
		
		
	
	
			313 lines
		
	
	
		
			9.5 KiB
		
	
	
	
		
			PHP
		
	
	
	
| <?php
 | |
| 
 | |
| /* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
 | |
| 
 | |
| /**
 | |
|  * This file is part of the PEAR Console_CommandLine package.
 | |
|  *
 | |
|  * PHP version 5
 | |
|  *
 | |
|  * LICENSE: This source file is subject to the MIT license that is available
 | |
|  * through the world-wide-web at the following URI:
 | |
|  * http://opensource.org/licenses/mit-license.php
 | |
|  *
 | |
|  * @category  Console
 | |
|  * @package   Console_CommandLine
 | |
|  * @author    David JEAN LOUIS <izimobil@gmail.com>
 | |
|  * @copyright 2007 David JEAN LOUIS
 | |
|  * @license   http://opensource.org/licenses/mit-license.php MIT License
 | |
|  * @version   CVS: $Id$
 | |
|  * @link      http://pear.php.net/package/Console_CommandLine
 | |
|  * @since     File available since release 0.1.0
 | |
|  * @filesource
 | |
|  */
 | |
| 
 | |
| /**
 | |
|  * Required file
 | |
|  */
 | |
| require_once 'Console/CommandLine.php';
 | |
| 
 | |
| /**
 | |
|  * Parser for command line xml definitions.
 | |
|  *
 | |
|  * @category  Console
 | |
|  * @package   Console_CommandLine
 | |
|  * @author    David JEAN LOUIS <izimobil@gmail.com>
 | |
|  * @copyright 2007 David JEAN LOUIS
 | |
|  * @license   http://opensource.org/licenses/mit-license.php MIT License
 | |
|  * @version   Release: @package_version@
 | |
|  * @link      http://pear.php.net/package/Console_CommandLine
 | |
|  * @since     Class available since release 0.1.0
 | |
|  */
 | |
| class Console_CommandLine_XmlParser
 | |
| {
 | |
|     // parse() {{{
 | |
| 
 | |
|     /**
 | |
|      * Parses the given xml definition file and returns a
 | |
|      * Console_CommandLine instance constructed with the xml data.
 | |
|      *
 | |
|      * @param string $xmlfile The xml file to parse
 | |
|      *
 | |
|      * @return Console_CommandLine A parser instance
 | |
|      */
 | |
|     public static function parse($xmlfile)
 | |
|     {
 | |
|         if (!is_readable($xmlfile)) {
 | |
|             Console_CommandLine::triggerError('invalid_xml_file',
 | |
|                 E_USER_ERROR, array('{$file}' => $xmlfile));
 | |
|         }
 | |
|         $doc = new DomDocument();
 | |
|         $doc->load($xmlfile);
 | |
|         self::validate($doc);
 | |
|         $nodes = $doc->getElementsByTagName('command');
 | |
|         $root  = $nodes->item(0);
 | |
|         return self::_parseCommandNode($root, true);
 | |
|     }
 | |
| 
 | |
|     // }}}
 | |
|     // parseString() {{{
 | |
| 
 | |
|     /**
 | |
|      * Parses the given xml definition string and returns a
 | |
|      * Console_CommandLine instance constructed with the xml data.
 | |
|      *
 | |
|      * @param string $xmlstr The xml string to parse
 | |
|      *
 | |
|      * @return Console_CommandLine A parser instance
 | |
|      */
 | |
|     public static function parseString($xmlstr)
 | |
|     {
 | |
|         $doc = new DomDocument();
 | |
|         $doc->loadXml($xmlstr);
 | |
|         self::validate($doc);
 | |
|         $nodes = $doc->getElementsByTagName('command');
 | |
|         $root  = $nodes->item(0);
 | |
|         return self::_parseCommandNode($root, true);
 | |
|     }
 | |
| 
 | |
|     // }}}
 | |
|     // validate() {{{
 | |
| 
 | |
|     /**
 | |
|      * Validates the xml definition using Relax NG.
 | |
|      *
 | |
|      * @param DomDocument $doc The document to validate
 | |
|      *
 | |
|      * @return boolean Whether the xml data is valid or not.
 | |
|      * @throws Console_CommandLine_Exception
 | |
|      * @todo use exceptions
 | |
|      */
 | |
|     public static function validate($doc)
 | |
|     {
 | |
|         if (is_dir('@data_dir@' . DIRECTORY_SEPARATOR . 'Console_CommandLine')) {
 | |
|             $rngfile = '@data_dir@' . DIRECTORY_SEPARATOR
 | |
|                 . 'Console_CommandLine' . DIRECTORY_SEPARATOR . 'data'
 | |
|                 . DIRECTORY_SEPARATOR . 'xmlschema.rng';
 | |
|         } else {
 | |
|             $rngfile = dirname(__FILE__) . DIRECTORY_SEPARATOR . '..'
 | |
|                 . DIRECTORY_SEPARATOR . '..' . DIRECTORY_SEPARATOR . 'data'
 | |
|                 . DIRECTORY_SEPARATOR . 'xmlschema.rng';
 | |
|         }
 | |
|         if (!is_readable($rngfile)) {
 | |
|             Console_CommandLine::triggerError('invalid_xml_file',
 | |
|                 E_USER_ERROR, array('{$file}' => $rngfile));
 | |
|         }
 | |
|         return $doc->relaxNGValidate($rngfile);
 | |
|     }
 | |
| 
 | |
|     // }}}
 | |
|     // _parseCommandNode() {{{
 | |
| 
 | |
|     /**
 | |
|      * Parses the root command node or a command node and returns the
 | |
|      * constructed Console_CommandLine or Console_CommandLine_Command instance.
 | |
|      *
 | |
|      * @param DomDocumentNode $node       The node to parse
 | |
|      * @param bool            $isRootNode Whether it is a root node or not
 | |
|      *
 | |
|      * @return mixed Console_CommandLine or Console_CommandLine_Command
 | |
|      */
 | |
|     private static function _parseCommandNode($node, $isRootNode = false)
 | |
|     {
 | |
|         if ($isRootNode) {
 | |
|             $obj = new Console_CommandLine();
 | |
|         } else {
 | |
|             include_once 'Console/CommandLine/Command.php';
 | |
|             $obj = new Console_CommandLine_Command();
 | |
|         }
 | |
|         foreach ($node->childNodes as $cNode) {
 | |
|             $cNodeName = $cNode->nodeName;
 | |
|             switch ($cNodeName) {
 | |
|             case 'name':
 | |
|             case 'description':
 | |
|             case 'version':
 | |
|                 $obj->$cNodeName = trim($cNode->nodeValue);
 | |
|                 break;
 | |
|             case 'add_help_option':
 | |
|             case 'add_version_option':
 | |
|             case 'force_posix':
 | |
|                 $obj->$cNodeName = self::_bool(trim($cNode->nodeValue));
 | |
|                 break;
 | |
|             case 'option':
 | |
|                 $obj->addOption(self::_parseOptionNode($cNode));
 | |
|                 break;
 | |
|             case 'argument':
 | |
|                 $obj->addArgument(self::_parseArgumentNode($cNode));
 | |
|                 break;
 | |
|             case 'command':
 | |
|                 $obj->addCommand(self::_parseCommandNode($cNode));
 | |
|                 break;
 | |
|             case 'aliases':
 | |
|                 if (!$isRootNode) {
 | |
|                     foreach ($cNode->childNodes as $subChildNode) {
 | |
|                         if ($subChildNode->nodeName == 'alias') {
 | |
|                             $obj->aliases[] = trim($subChildNode->nodeValue);
 | |
|                         }
 | |
|                     }
 | |
|                 }
 | |
|                 break;
 | |
|             case 'messages':
 | |
|                 $obj->messages = self::_messages($cNode);
 | |
|                 break;
 | |
|             default:
 | |
|                 break;
 | |
|             }
 | |
|         }
 | |
|         return $obj;
 | |
|     }
 | |
| 
 | |
|     // }}}
 | |
|     // _parseOptionNode() {{{
 | |
| 
 | |
|     /**
 | |
|      * Parses an option node and returns the constructed
 | |
|      * Console_CommandLine_Option instance.
 | |
|      *
 | |
|      * @param DomDocumentNode $node The node to parse
 | |
|      *
 | |
|      * @return Console_CommandLine_Option The built option
 | |
|      */
 | |
|     private static function _parseOptionNode($node)
 | |
|     {
 | |
|         include_once 'Console/CommandLine/Option.php';
 | |
|         $obj = new Console_CommandLine_Option($node->getAttribute('name'));
 | |
|         foreach ($node->childNodes as $cNode) {
 | |
|             $cNodeName = $cNode->nodeName;
 | |
|             switch ($cNodeName) {
 | |
|             case 'choices':
 | |
|                 foreach ($cNode->childNodes as $subChildNode) {
 | |
|                     if ($subChildNode->nodeName == 'choice') {
 | |
|                         $obj->choices[] = trim($subChildNode->nodeValue);
 | |
|                     }
 | |
|                 }
 | |
|                 break;
 | |
|             case 'messages':
 | |
|                 $obj->messages = self::_messages($cNode);
 | |
|                 break;
 | |
|             default:
 | |
|                 if (property_exists($obj, $cNodeName)) {
 | |
|                     $obj->$cNodeName = trim($cNode->nodeValue);
 | |
|                 }
 | |
|                 break;
 | |
|             }
 | |
|         }
 | |
|         if ($obj->action == 'Password') {
 | |
|             $obj->argument_optional = true;
 | |
|         }
 | |
|         return $obj;
 | |
|     }
 | |
| 
 | |
|     // }}}
 | |
|     // _parseArgumentNode() {{{
 | |
| 
 | |
|     /**
 | |
|      * Parses an argument node and returns the constructed
 | |
|      * Console_CommandLine_Argument instance.
 | |
|      *
 | |
|      * @param DomDocumentNode $node The node to parse
 | |
|      *
 | |
|      * @return Console_CommandLine_Argument The built argument
 | |
|      */
 | |
|     private static function _parseArgumentNode($node)
 | |
|     {
 | |
|         include_once 'Console/CommandLine/Argument.php';
 | |
|         $obj = new Console_CommandLine_Argument($node->getAttribute('name'));
 | |
|         foreach ($node->childNodes as $cNode) {
 | |
|             $cNodeName = $cNode->nodeName;
 | |
|             switch ($cNodeName) {
 | |
|             case 'description':
 | |
|             case 'help_name':
 | |
|             case 'default':
 | |
|                 $obj->$cNodeName = trim($cNode->nodeValue);
 | |
|                 break;
 | |
|             case 'multiple':
 | |
|                 $obj->multiple = self::_bool(trim($cNode->nodeValue));
 | |
|                 break;
 | |
|             case 'optional':
 | |
|                 $obj->optional = self::_bool(trim($cNode->nodeValue));
 | |
|                 break;
 | |
|             case 'choices':
 | |
|                 foreach ($cNode->childNodes as $subChildNode) {
 | |
|                     if ($subChildNode->nodeName == 'choice') {
 | |
|                         $obj->choices[] = trim($subChildNode->nodeValue);
 | |
|                     }
 | |
|                 }
 | |
|                 break;
 | |
|             case 'messages':
 | |
|                 $obj->messages = self::_messages($cNode);
 | |
|                 break;
 | |
|             default:
 | |
|                 break;
 | |
|             }
 | |
|         }
 | |
|         return $obj;
 | |
|     }
 | |
| 
 | |
|     // }}}
 | |
|     // _bool() {{{
 | |
| 
 | |
|     /**
 | |
|      * Returns a boolean according to true/false possible strings.
 | |
|      *
 | |
|      * @param string $str The string to process
 | |
|      *
 | |
|      * @return boolean
 | |
|      */
 | |
|     private static function _bool($str)
 | |
|     {
 | |
|         return in_array(strtolower((string)$str), array('true', '1', 'on', 'yes'));
 | |
|     }
 | |
| 
 | |
|     // }}}
 | |
|     // _messages() {{{
 | |
| 
 | |
|     /**
 | |
|      * Returns an array of custom messages for the element
 | |
|      *
 | |
|      * @param DOMNode $node The messages node to process
 | |
|      *
 | |
|      * @return array an array of messages
 | |
|      *
 | |
|      * @see Console_CommandLine::$messages
 | |
|      * @see Console_CommandLine_Element::$messages
 | |
|      */
 | |
|     private static function _messages(DOMNode $node)
 | |
|     {
 | |
|         $messages = array();
 | |
| 
 | |
|         foreach ($node->childNodes as $cNode) {
 | |
|             if ($cNode->nodeType == XML_ELEMENT_NODE) {
 | |
|                 $name  = $cNode->getAttribute('name');
 | |
|                 $value = trim($cNode->nodeValue);
 | |
| 
 | |
|                 $messages[$name] = $value;
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         return $messages;
 | |
|     }
 | |
| 
 | |
|     // }}}
 | |
| }
 |