/**
  * Gets a tag representation instance
  *
  * @param CMS_XMLTag $tag The xml tag from which to build the representation
  * @param array(mixed) $args The arguments needed to build
  * @return object The module tag representation instance
  * @access public
  */
 function getTagRepresentation($tag, $args)
 {
     switch ($tag->getName()) {
         case "atm-clientspace":
             if ($tag->getAttribute("type")) {
                 $clientSpaceClassName = 'CMS_moduleClientspace_' . $this->getCodename();
                 $instance = new $clientSpaceClassName($tag->getAttributes());
                 return $instance;
             } else {
                 return false;
             }
             break;
     }
 }
Exemple #2
0
 /**
  * Constructor.
  *
  * @param string $name The name of the tag
  * @param array(string) $attributes The tag attributes.
  * @return void
  * @access public
  */
 function __construct($name, $attributes, $children, $parameters)
 {
     if (isset($parameters['context']) && $parameters['context']) {
         $this->_context = $parameters['context'];
     }
     parent::__construct($name, $attributes, $children, $parameters);
 }
 /**
  * Test to see if a page passes the condition
  *
  * @param CMS_page $page The parsed page : the one which contains the linx tag
  * @param CMS_page $page The page to test
  * @param boolean $publicTree Is the test conducted inside the public or edited tree ?
  * @param integer $rank The rank of the page in the pre-condition targets
  * @return boolean true if the page passes the condition, false otherwise
  * @access public
  */
 function pagePasses(&$parsedPage, &$page, $publicTree, $rank)
 {
     //set the condition value
     if ($this->_valueIsScalar) {
         $condition_value = $this->_valueScalar;
     } else {
         $condition_target = $this->_valueNodespec->getTarget($parsedPage, $publicTree);
         $condition_value = $this->_getPageProperty($condition_target, $this->_valueNodespecProperty, $publicTree);
     }
     if (is_null($condition_value)) {
         return false;
     }
     //build the body of the test function
     if ($this->_pageProperty == "rank") {
         $func_body = sprintf('return (\'%s\' %s \'%s\');', $rank, $this->_operator, $condition_value);
     } else {
         $page_value = $this->_getPageProperty($page, $this->_pageProperty, $publicTree);
         if (is_null($page_value)) {
             return false;
         }
         $func_body = sprintf('return (\'%s\' %s \'%s\');', $page_value, $this->_operator, $condition_value);
     }
     $func = @create_function('', $func_body);
     if (!$func) {
         return false;
     }
     return @$func();
 }
Exemple #4
0
 /**
  * Constructor.
  *
  * @param string $name The name of the tag
  * @param array(string) $attributes The tag attributes.
  * @return void
  * @access public
  */
 function __construct($name, $attributes, $children, $parameters)
 {
     parent::__construct($name, $attributes, $children, $parameters);
     //check tags requirements
     if (!$this->checkTagRequirements(array('for' => 'alphanum'))) {
         return;
     }
 }
Exemple #5
0
 /**
  * Constructor.
  *
  * @param string $name The name of the tag
  * @param array(string) $attributes The tag attributes.
  * @return void
  * @access public
  */
 function __construct($name, $attributes, $children, $parameters)
 {
     parent::__construct($name, $attributes, $children, $parameters);
     //check tags requirements
     if (!$this->checkTagRequirements(array('varname' => 'alphanum', 'vartype' => 'request|session|var'))) {
         return;
     }
 }
Exemple #6
0
 /**
  * Gets a tag representation instance
  *
  * @param CMS_XMLTag $tag The xml tag from which to build the representation
  * @param array(mixed) $args The arguments needed to build
  * @return object The module tag representation instance
  * @access public
  */
 function getTagRepresentation($tag, $args)
 {
     switch ($tag->getName()) {
         case "block":
             //try to guess the class to instanciate
             $class_name = "CMS_block_cms_forms";
             if (class_exists($class_name)) {
                 $instance = new $class_name();
             } else {
                 $this->raiseError("Unknown block type : CMS_block_cms_forms");
                 return false;
             }
             $instance->initializeFromTag($tag->getAttributes(), $tag->getInnerContent());
             return $instance;
             break;
         case "atm-clientspace":
             if ($tag->getAttribute("type")) {
                 $instance = new CMS_moduleClientspace($tag->getAttributes());
                 return $instance;
             } else {
                 return false;
             }
             break;
     }
 }
Exemple #7
0
 /**
  * Constructor.
  *
  * @param string $name The name of the tag
  * @param array(string) $attributes The tag attributes.
  * @return void
  * @access public
  */
 function __construct($name, $attributes, $children, $parameters)
 {
     parent::__construct($name, $attributes, $children, $parameters);
     //check tags requirements
     if (!$this->checkTagRequirements(array('what' => true))) {
         return;
     }
     if (isset($this->_attributes['name']) && $this->_attributes['name']) {
         if (!$this->checkTagRequirements(array('name' => 'alphanum'))) {
             return;
         }
     }
 }
Exemple #8
0
 /**
  * Constructor.
  *
  * @param string $name The name of the tag
  * @param array(string) $attributes The tag attributes.
  * @return void
  * @access public
  */
 function __construct($name, $attributes, $children, $parameters)
 {
     parent::__construct($name, $attributes, $children, $parameters);
     //check tags requirements
     if (!$this->checkTagRequirements(array('url' => 'alphanum'))) {
         return;
     }
     if (isset($this->_attributes['type']) && $this->_attributes['type']) {
         if (!$this->checkTagRequirements(array('type' => 'alphanum', 'vartype' => '301|302'))) {
             return;
         }
     }
 }
Exemple #9
0
    /**
     * Compute the tag
     *
     * @return string the PHP / HTML content computed
     * @access private
     */
    protected function _compute()
    {
        $headCode = '';
        if ($this->_parameters['context'] == CMS_XMLTag::HTML_CONTEXT) {
            $headCode .= 'ob_start();';
            $xml = new CMS_xml2Array($this->_computeChilds());
            $headCode .= $xml->toXML($xml->getParsedArray(), false, true) . '<?php ';
            $headCode .= '$content = ob_get_contents();
			ob_end_clean();
			$replace=array();';
            $footcode = 'if (trim($content)) {echo $content;}' . "\n";
        } else {
            $headCode .= $this->_computeChilds() . '
			if (trim($content)) {echo $content;}';
        }
        if ($this->_parameters['context'] == CMS_XMLTag::HTML_CONTEXT) {
            $code = array('code' => CMS_XMLTag::indentPHP(CMS_XMLTag::cleanComputedDefinition($this->_returnComputedDatas($headCode))));
            CMS_module::moduleUsage($this->_computeParams['object']->getID(), MOD_STANDARD_CODENAME, array('headCallback' => array($code)));
        } else {
            $this->_tagHeaderCode = array('code' => CMS_XMLTag::indentPHP(CMS_XMLTag::cleanComputedDefinition($headCode)));
        }
        return '';
    }
    /**
     * Compute an atm-object-link tag
     *
     * @param array $tag : the reference atm-object-link tag to compute
     * @return string the PHP / HTML content computed
     * @access private
     */
    protected function _linkObject(&$tag)
    {
        if (!$this->checkTagRequirements($tag, array('field' => 'field', 'objectId' => true))) {
            return;
        }
        $uniqueID = CMS_XMLTag::getUniqueID();
        $return = '
		//OBJECT-LINK TAG START ' . $uniqueID . '
		$error_' . $uniqueID . ' = false;
		if (strtolower(get_class("' . $tag['attributes']['field'] . '")) != \'cms_multi_poly_object\') {
			CMS_grandFather::raiseError("Malformed atm-object-link tag : field attribute must be a valid multi object field");
			$error_' . $uniqueID . ' = true;
		}
		if (!io::isPositiveInteger("' . $tag['attributes']['objectId'] . '")) {
			CMS_grandFather::raiseError("Malformed atm-object-link tag : objectId attribute must be a valid object Id : ' . $tag['attributes']['objectId'] . '");
			$error_' . $uniqueID . ' = true;
		}
		//load object to add
		$object_' . $uniqueID . ' = CMS_poly_object_catalog::getObjectByID("' . $tag['attributes']['objectId'] . '");
		if (!is_object($object_' . $uniqueID . ') || $object_' . $uniqueID . '->hasError() || !$object_' . $uniqueID . '->getID()) {
			CMS_grandFather::raiseError("Malformed atm-object-link tag : objectId attribute must be a valid object Id : ' . $tag['attributes']['objectId'] . '");
			$error_' . $uniqueID . ' = true;
		}
		//check object type and field object type
		if (!$error_' . $uniqueID . ' && "' . $tag['attributes']['field'] . '"->getObjectID() != $object_' . $uniqueID . '->getObjectID()) {
			CMS_grandFather::raiseError("Malformed atm-object-link tag : field object type ("."' . $tag['attributes']['field'] . '"->getObjectID().") and objectId type (".$object_' . $uniqueID . '->getObjectID().") does not match ...");
			$error_' . $uniqueID . ' = true;
		}
		//if no error append object into field ids
		if (!$error_' . $uniqueID . ') {
			$ids_' . $uniqueID . ' = "' . $tag['attributes']['field'] . '"->getValue(\'ids\');
			//$ids_' . $uniqueID . '[$object_' . $uniqueID . '->getID()] = $object_' . $uniqueID . '->getID();
			array_unshift($ids_' . $uniqueID . ', $object_' . $uniqueID . '->getID());
			"' . $tag['attributes']['field'] . '"->setValues(array(\'list\'."' . $tag['attributes']['field'] . '"->getValue(\'fieldID\').\'_0\' => implode(\';\', $ids_' . $uniqueID . ')), \'\');
			$object[CMS_poly_object_catalog::getObjectIDForField("' . $tag['attributes']['field'] . '"->getValue(\'fieldID\'))]->writeToPersistence();
			unset($ids_' . $uniqueID . ');
		} else {
			return false;
		}
		unset($error_' . $uniqueID . ');
		unset($object_' . $uniqueID . ');
		//OBJECT-LINK TAG END ' . $uniqueID . '
		';
        return $return;
    }
Exemple #11
0
 /**
  * Constructor.
  * initializes the linx.
  *
  * @param string $type The linx type
  * @param string $tagContent The tag content.
  * @param CMS_page $page The page we're parsing
  * @param boolean $publicTree Does the linx must be calculated in the public or edited tree ?
  * @return void
  * @access public
  */
 function __construct($type, $tagContent, $page, $publicTree = false, $args = array())
 {
     if (!SensitiveIO::isInSet($type, CMS_linxesCatalog::getAllTypes())) {
         $this->raiseError("Constructor has an unknown type : " . $type);
         return;
     } elseif (!is_a($page, "CMS_page")) {
         $this->raiseError("Constructor was not given a valid CMS_page");
         return;
     } else {
         $this->_args = $args;
         $this->_type = $type;
         //Hack for shorthand writing of atm-linx
         //<atm-linx type="direct" node="pageID"> ... </atm-linx>
         //<atm-linx type="direct" codename="pageCodename"> ... </atm-linx>
         if ((isset($this->_args['node']) || isset($this->_args['codename'])) && $this->_type == 'direct') {
             $tag = new CMS_XMLTag('atm-linx', $this->_args);
             $tag->setTextContent($tagContent);
             $tagContent = '<atm-linx type="direct">' . '<selection ' . (isset($this->_args['crosswebsite']) ? ' crosswebsite="' . $this->_args['crosswebsite'] . '"' : '') . '>';
             if (isset($this->_args['node'])) {
                 $tagContent .= '<start><nodespec type="node" value="' . $this->_args['node'] . '" /></start>';
                 //remove useless node argument
                 unset($this->_args['node']);
             } else {
                 $tagContent .= '<start><nodespec type="codename" value="' . $this->_args['codename'] . '" /></start>';
                 //remove useless node argument
                 unset($this->_args['codename']);
             }
             $tagContent .= '</selection>' . '<display>' . '<htmltemplate>' . $tag->getInnerContent() . '</htmltemplate>' . '</display>' . '</atm-linx>';
         }
         $this->_page = $page;
         $this->_publicTree = $publicTree;
         $domdocument = new CMS_DOMDocument();
         try {
             $domdocument->loadXML($tagContent);
         } catch (DOMException $e) {
             $this->raiseError('Malformed atm-linx content in page ' . $page->getID() . ' : ' . $e->getMessage() . "\n" . $tagContent, true);
             return false;
         }
         $selections = $domdocument->getElementsByTagName('selection');
         if ($selections->length > 0) {
             $selection = $selections->item(0);
             //parse the selection for nodespecs and condition
             if (!$this->_parseSelection($selection)) {
                 $this->raiseError();
                 return;
             }
         }
         $noselections = $domdocument->getElementsByTagName('noselection');
         if ($noselections->length > 0) {
             $this->_noselection = $noselections->item(0);
         }
         $displays = $domdocument->getElementsByTagName('display');
         //get the displays objects
         $unsortedDisplays = array();
         foreach ($displays as $display) {
             $unsortedDisplays[] = new CMS_linxDisplay($display);
         }
         //put the default display (the one with no condition) at the end of the array
         $default = false;
         foreach ($unsortedDisplays as $dsp) {
             if ($dsp->hasCondition() && !$default) {
                 $this->_displays[] = $dsp;
             } else {
                 $default = $dsp;
             }
         }
         if ($default) {
             $this->_displays[] = $default;
         }
     }
 }
Exemple #12
0
 function toXML(&$definition, $part = false, $replaceVars = false)
 {
     //return back xml
     $result = "";
     if (!$definition && is_object($this)) {
         $definition = $this->_arrOutput;
     }
     if (!$definition) {
         parent::raiseError("No definition found");
         return '';
     }
     $c = 0;
     while (isset($definition[$c])) {
         //assign node value
         if (isset($definition[$c]["textnode"])) {
             //replacements on text nodes
             if ($replaceVars) {
                 $dummyTag = new CMS_XMLTag('html', array(), array(), array('context' => CMS_XMLTag::HTML_CONTEXT));
                 $result .= $dummyTag->replaceVars((string) $definition[$c]["textnode"]);
             } else {
                 $result .= (string) $definition[$c]["textnode"];
             }
         } elseif (isset($definition[$c]["phpnode"])) {
             //replacements on text nodes
             if ($replaceVars) {
                 $dummyTag = new CMS_XMLTag('html', array(), array(), array('context' => CMS_XMLTag::HTML_TAG_CONTEXT));
                 $result .= '<?php ' . $dummyTag->replaceVars($definition[$c]["phpnode"]) . ' ?>';
             } else {
                 $result .= '<?php ' . $definition[$c]["phpnode"] . ' ?>';
             }
         } else {
             $autoclosed = in_array($definition[$c]["nodename"], CMS_xml2Array::$autoClosedTagsList) || substr($definition[$c]["nodename"], 0, 3) == 'atm' && !isset($definition[$c]["childrens"]);
             if (!$part || $part == self::ARRAY2XML_START_TAG) {
                 $tagOpening = '<' . $definition[$c]["nodename"];
                 if (is_array($definition[$c]["attributes"])) {
                     while (list($key, $value) = each($definition[$c]["attributes"])) {
                         $tagOpening .= ' ' . $key . '="' . $value . '"';
                     }
                 }
                 $tagOpening .= $autoclosed ? ' />' : '>';
                 $tagOpenReplaced = false;
                 if ($replaceVars) {
                     $dummyTag = new CMS_XMLTag('html', array(), array(), array('context' => CMS_XMLTag::HTML_TAG_CONTEXT));
                     $prepared = addcslashes($tagOpening, '"');
                     $replaced = $dummyTag->replaceVars($prepared);
                     if ($replaced != $prepared) {
                         $tagOpening = '<?php echo "' . $replaced . '"; ?>';
                         $tagOpenReplaced = true;
                     }
                 }
                 $result .= $tagOpening;
             }
             if (!$part) {
                 if (isset($definition[$c]["childrens"])) {
                     $result .= $this->toXML($definition[$c]["childrens"], $part);
                 }
             }
             if ((!$part || $part == self::ARRAY2XML_END_TAG) && !$autoclosed) {
                 $tagClose = '</' . $definition[$c]["nodename"] . '>';
                 if (isset($tagOpenReplaced) && $tagOpenReplaced) {
                     $tagClose = '<?php echo "' . $tagClose . '"; ?>';
                 }
                 $result .= $tagClose;
             }
         }
         $c++;
     }
     return $result;
 }
Exemple #13
0
 /**
  * Gets a tag representation instance
  *
  * @param CMS_XMLTag $tag The xml tag from which to build the representation
  * @param array(mixed) $args The arguments needed to build
  * @return object The module tag representation instance
  * @access public
  */
 function getTagRepresentation($tag, $args)
 {
     switch ($tag->getName()) {
         case "block":
             //try to guess the class to instanciate
             $class_name = "CMS_block_polymod";
             if (class_exists($class_name)) {
                 $instance = new $class_name();
             } else {
                 $this->raiseError("Unknown block type : CMS_block_polymod");
                 return false;
             }
             //pr(io::htmlspecialchars($tag->getInnerContent()));
             $instance->initializeFromTag($tag->getAttributes(), $tag->getInnerContent());
             return $instance;
             break;
     }
 }
Exemple #14
0
 /**
  * Replace vars like {object:field:type} or {var|session|request|page:name:type}. Called during definition compilation
  *
  * @param string $text : the text which need to be replaced
  * @param boolean reverse : reverse single and double quotes useage (default is false : double quotes)
  * @param boolean $cleanNotMatches : remove vars without matches
  * @param mixed $matchCallback : function name or array(object classname, object method) which represent a valid callback function to execute on matches
  * @return text : the text replaced
  * @access public
  * @static
  */
 function replaceVars($text, $reverse = false, $cleanNotMatches = false, $matchCallback = null, $returnMatchedVarsArray = false)
 {
     static $replacements;
     $enclosePHP = false;
     if ($matchCallback === null) {
         $matchCallback = array($this, 'encloseString');
         if ($this->_context == self::HTML_CONTEXT && $this->_parameters['context'] != self::HTML_TAG_CONTEXT) {
             $enclosePHP = true;
         }
     }
     //if no text => return
     if (!$text || !trim($text)) {
         return $text;
     }
     //substitute simple replacement values
     $preReplaceCount = 0;
     $text = preg_replace("#{([a-zA-Z]+)}#", '@@@\\1@@@', $text, -1, $preReplaceCount);
     $count = 1;
     //loop on text for vars to replace if any
     while (preg_match_all("#{[^{}\n]+}#", $text, $matches) && $count) {
         $matches = array_unique($matches[0]);
         //get all tags handled by modules
         if (!$replacements) {
             //create replacement array
             $replacements = array();
             $modules = CMS_modulesCatalog::getAll("id");
             foreach ($modules as $codename => $aModule) {
                 $moduleReplacements = $aModule->getModuleReplacements();
                 if (is_array($moduleReplacements) && $moduleReplacements) {
                     foreach ($moduleReplacements as $pattern => $replacement) {
                         $replacements[$pattern] = $replacement;
                     }
                 }
             }
         }
         $replace = $replacements;
         if ($reverse) {
             $reversedReplace = array();
             foreach ($replace as $key => $value) {
                 $reversedReplace[str_replace("'", "\\\\'", $key)] = $value;
             }
             $replace = $reversedReplace;
         }
         $count = 0;
         $matchesValues = preg_replace(array_keys($replace), $replace, $matches, -1, $count);
         //create vars conversion table
         $replace = array();
         if ($matchesValues) {
             if (isset($this->_parameters['module'])) {
                 $externalReferences = CMS_poly_object_catalog::getFieldsReferencesUsage($this->_parameters['module']);
             } else {
                 $externalReferences = CMS_poly_object_catalog::getFieldsReferencesUsage();
             }
             foreach ($matches as $key => $match) {
                 //record external references for cache reference
                 if ($externalReferences) {
                     foreach ($externalReferences as $id => $type) {
                         if (strpos($match, '[\'fields\'][' . $id . ']') !== false || strpos($match, '[\\\'fields\\\'][' . $id . ']') !== false) {
                             //CMS_grandFather::log(print_r($this->_tagReferences, true));
                             $this->_tagReferences = array_merge_recursive($type, (array) $this->_tagReferences);
                             //CMS_grandFather::log(print_r($this->_tagReferences, true));
                         }
                     }
                 }
                 //record used pages for cache reference
                 if (strpos($match, '{page:') !== false) {
                     $this->_tagReferences['module'][] = MOD_STANDARD_CODENAME;
                 }
                 //record used users for cache reference
                 if (strpos($match, '{user:'******'resource'][] = 'users';
                 }
                 if ($match != $matchesValues[$key]) {
                     $matchValue = $matchesValues[$key];
                 } else {
                     $matchValue = null;
                 }
                 //apply callback if any to value
                 if (isset($matchValue)) {
                     if ($matchCallback) {
                         if (is_callable($matchCallback)) {
                             $replace[$match] = call_user_func($matchCallback, $matchValue, $reverse);
                         } else {
                             CMS_grandFather::raiseError("Unknown callback function : " . $matchCallback);
                             return false;
                         }
                     } else {
                         $replace[$match] = $matchValue;
                     }
                 } elseif ($cleanNotMatches) {
                     $replace[$match] = '';
                 }
             }
         }
         //return matched vars if needed
         if ($returnMatchedVarsArray) {
             //substitute simple replacement values
             if ($preReplaceCount) {
                 $replace = preg_replace("#\\@\\@\\@([a-zA-Z]+)\\@\\@\\@#", '{\\1}', $replace);
             }
             return $replace;
         } else {
             //then replace variables in text and return it
             $text = str_replace(array_keys($replace), $replace, $text);
             if ($enclosePHP && $replace) {
                 //save last replacements
                 $lastReplace = $replace;
             }
         }
     }
     if ($enclosePHP && isset($lastReplace) && $lastReplace) {
         //use last replacements to enclose replacement values with php tags
         $replace = array();
         foreach ($lastReplace as $replacement) {
             $replace[$replacement] = '<?php echo "' . $replacement . '"; ?>';
         }
         $text = CMS_XMLTag::cleanComputedDefinition(str_replace(array_keys($replace), $replace, $text));
     }
     //substitute simple replacement values
     if ($preReplaceCount) {
         $text = preg_replace("#\\@\\@\\@([a-zA-Z]+)\\@\\@\\@#", '{\\1}', $text);
     }
     return $text;
 }
Exemple #15
0
    /**
     * Compute the tag
     *
     * @return string the PHP / HTML content computed
     * @access private
     */
    protected function _compute()
    {
        //return code
        $return = $this->_computeChilds();
        $strict = isset($this->_attributes['strict']) && ($this->_attributes['strict'] == 'true' || $this->_attributes['strict'] == true || $this->_attributes['strict'] == 1) ? true : false;
        //Ajax code
        $ajaxCode = '
		if(io::request(\'out\') == \'xml\') {
			$xmlCondition = CMS_polymod_definition_parsing::replaceVars("' . $this->replaceVars($this->_attributes['what'], false, false, array($this, 'encloseWithPrepareVar')) . '", $replace);
			if ($xmlCondition) {
				$func = create_function("","return (".$xmlCondition.");");
				if ($func && $func()) {
					$cms_view = CMS_view::getInstance();
					$content = $replace = \'\';';
        if ($this->_parameters['context'] == CMS_XMLTag::HTML_CONTEXT) {
            $ajaxCode .= 'ob_start();';
            $xml = new CMS_xml2Array($return);
            $ajaxCode .= $xml->toXML($xml->getParsedArray(), false, true) . '<?php ';
            $ajaxCode .= '$content = ob_get_contents();
			ob_end_clean();
			$replace=array();';
        } else {
            $ajaxCode .= $return;
        }
        $ajaxCode .= '$content = CMS_polymod_definition_parsing::replaceVars($content, $replace);
					$cms_view->setDisplayMode(' . ($strict ? 'CMS_view::SHOW_XML' : 'CMS_view::SHOW_RAW') . ');
					$cms_view->setContent($content);
					//output empty XML response
					unset($content);
					unset($replace);
					$cms_view->setContentTag(\'data\');
					$cms_view->show();
				}
			}
			unset($xmlCondition);
		}';
        if ($this->_parameters['context'] == CMS_XMLTag::HTML_CONTEXT) {
            $code = array('code' => CMS_XMLTag::indentPHP(CMS_XMLTag::cleanComputedDefinition($this->_returnComputedDatas($ajaxCode))));
            CMS_module::moduleUsage($this->_computeParams['object']->getID(), MOD_STANDARD_CODENAME, array('headCallback' => array($code)));
        } else {
            $this->_tagHeaderCode = array('code' => CMS_XMLTag::indentPHP(CMS_XMLTag::cleanComputedDefinition($ajaxCode)));
        }
        return $return;
    }
Exemple #16
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 /**
  * Gets a tag representation instance
  *
  * @param CMS_XMLTag $tag The xml tag from which to build the representation
  * @param array(mixed) $args The arguments needed to build
  * @return object The module tag representation instance
  * @access public
  */
 function getTagRepresentation($tag, $args)
 {
     switch ($tag->getName()) {
         case "atm-clientspace":
             if ($args["template"] && $tag->getAttribute("id")) {
                 $args["editedMode"] = isset($args["editedMode"]) ? $args["editedMode"] : null;
                 $instance = new CMS_moduleClientspace_standard($args["template"], $tag->getAttribute("id"), $args["editedMode"]);
                 return $instance;
             } else {
                 return false;
             }
             break;
         case "block":
             if ($tag->getAttribute("type")) {
                 //try to guess the class to instanciate
                 $class_name = "CMS_block_" . $tag->getAttribute("type");
                 if (class_exists($class_name)) {
                     $instance = new $class_name();
                 } else {
                     //not found. Place here block types requiring special attention
                     switch ($tag->getAttribute("type")) {
                         default:
                             $this->raiseError("Unknown block type : " . $tag->getAttribute("type"));
                             return false;
                             break;
                     }
                 }
                 $instance->initializeFromTag($tag->getAttributes(), $tag->getInnerContent());
                 return $instance;
             } else {
                 return false;
             }
             break;
     }
 }