/**
* @license http://nucleuscms.org/license.txt GNU General Public License
* @copyright Copyright (C) 2002-2009 The Nucleus Group
- * @version $Id: PARSER.php 1529 2011-06-21 11:07:14Z sakamocchi $
+ * @version $Id: PARSER.php 1879 2012-06-17 07:45:09Z sakamocchi $
*/
-if ( !function_exists('requestVar') ) exit;
+if ( !function_exists('requestVar') )
+{
+ exit;
+}
require_once dirname(__FILE__) . '/BaseActions.php';
/**
- * This is the parser class of Nucleus. It is used for various things (skin parsing,
- * form generation, ...)
+ * This is the parser class of Nucleus. It is used for various things
+ * (skin parsing, form generation, ...)
*/
-class PARSER {
-
+class Parser
+{
// array with the names of all allowed actions
- var $actions;
-
+ public $actions;
+
// reference to actions handler
- var $handler;
-
+ public $handler;
+
+ // reference to an instance of Skin class
+ public $skin = NULL;
+
// delimiters that can be used for skin/templatevars
- var $delim;
-
+ public $delim;
+
// parameter delimiter (to separate skinvar params)
- var $pdelim;
-
+ public $pdelim;
+
// usually set to 0. When set to 1, all skinvars are allowed regardless of $actions
- var $norestrictions;
-
+ public $norestrictions;
+
/**
+ * Parset::__construct()
* Creates a new parser object with the given allowed actions
* and the given handler
*
- * @param $allowedActions array
* @param $handler class object with functions for each action (reference)
* @param $delim optional delimiter
* @param $paramdelim optional parameterdelimiter
*/
- function PARSER($allowedActions, &$handler, $delim = '(<%|%>)', $pdelim = ',') {
- $this->actions = $allowedActions;
- $this->handler =& $handler;
- $this->delim = $delim;
- $this->pdelim = $pdelim;
+ public function __construct( &$handler, $delim = '(<%|%>)', $pdelim = ',')
+ {
+ $this->handler = &$handler;
+ $this->actions = $handler->getAvailableActions();
+ $this->delim = $delim;
+ $this->pdelim = $pdelim;
$this->norestrictions = 0; // set this to 1 to disable checking for allowedActions
+
+ $handler->setParser($this);
+
+ return;
}
-
+
/**
* Parses the given contents and outputs it
*/
- function parse(&$contents) {
-
- $pieces = preg_split('/'.$this->delim.'/',$contents);
-
+ public function parse(&$contents)
+ {
+ /* escaping only pcre delimiter */
+ $pcre = preg_replace('#\##', '#', $this->delim);
+
+ $pieces = preg_split("#{$pcre}#", $contents);
+
$maxidx = sizeof($pieces);
- for ($idx = 0; $idx < $maxidx; $idx++) {
+ for ( $idx = 0; $idx < $maxidx; $idx++ )
+ {
echo $pieces[$idx];
$idx++;
- if ($idx < $maxidx) {
+ if ( $idx < $maxidx )
+ {
$this->doAction($pieces[$idx]);
}
}
+ return;
}
/**
- * Called from the parser to handle an action
- *
- * @param $action name of the action (e.g. blog, image ...)
- */
- function doAction($action) {
+ * Parset::doAction()
+ * Called from the parser to handle an action
+ *
+ * @param string $action name of the action (e.g. blog, image ...)
+ * @return void
+ */
+ public function doAction($action)
+ {
global $manager, $CONF;
- if (!$action) return;
-
+ if ( !$action )
+ {
+ return;
+ }
+
// split into action name + arguments
- if (strstr($action,'(')) {
- $paramStartPos = i18n::strpos($action, '(');
- $params = i18n::substr($action, $paramStartPos + 1, i18n::strlen($action) - $paramStartPos - 2);
- $action = i18n::substr($action, 0, $paramStartPos);
- $params = preg_split ('#' . $this->pdelim . '#', $params);
-
- // trim parameters
- // for PHP versions lower than 4.0.6:
- // - add // before '$params = ...'
- // - remove // before 'foreach'
- $params = array_map('trim',$params);
- // foreach ($params as $key => $value) { $params[$key] = trim($value); }
- } else {
+ if ( i18n::strpos($action, '(') != FALSE )
+ {
+ $paramStartPos = i18n::strpos($action, '(');
+ $params = i18n::substr($action, $paramStartPos + 1, i18n::strlen($action) - $paramStartPos - 2);
+ $action = i18n::substr($action, 0, $paramStartPos);
+ $params = preg_split ('#' . preg_quote($this->pdelim, '#') . '#', $params);
+ $params = array_map('trim', $params);
+ }
+ else
+ {
// no parameters
$params = array();
}
-
+
$actionlc = strtolower($action);
-
+
// skip execution of skinvars while inside an if condition which hides this part of the page
- if (!$this->handler->if_currentlevel && ($actionlc != 'else') && ($actionlc != 'elseif') && ($actionlc != 'endif') && ($actionlc != 'ifnot') && ($actionlc != 'elseifnot') && (i18n::substr($actionlc,0,2) != 'if'))
+ $if_tags = array('else', 'elseif', 'endif', 'ifnot', 'elseifnot');
+ if ( !$this->handler->getTopIfCondition()
+ && !in_array($actionlc, $if_tags)
+ && (i18n::substr($actionlc, 0, 2) != 'if') )
+ {
return;
-
- if (in_array($actionlc, $this->actions) || $this->norestrictions ) {
- // when using PHP versions lower than 4.0.5, uncomment the line before
- // and comment the call_user_func_array call
- //$this->call_using_array($action, $this->handler, $params);
- call_user_func_array(array(&$this->handler,'parse_' . $actionlc), $params);
- } else {
- // redirect to plugin action if possible
- if (in_array('plugin', $this->actions) && $manager->pluginInstalled('NP_'.$action)) {
- $this->doAction('plugin('.$action.$this->pdelim.implode($this->pdelim,$params).')');
- } else {
- if ($CONF['DebugVars']==true) {
- echo '<%' , $action , '(', implode($this->pdelim, $params), ')%>';
}
+
+ if ( in_array($actionlc, $this->actions) || $this->norestrictions )
+ {
+ call_user_func_array(array($this->handler, "parse_{$actionlc}"), $params);
+ }
+ else
+ {
+ // redirect to plugin action if possible
+ if ( in_array('plugin', $this->actions) && $manager->pluginInstalled("NP_{$action}") )
+ {
+ $this->doAction('plugin(' . $action . $this->pdelim . implode($this->pdelim,$params) . ')');
+ }
+ else
+ {
+ if ( $CONF['DebugVars']==true )
+ {
+ echo '<%' , $action , '(', implode($this->pdelim, $params), ')%>';
+ }
}
-
}
-
+ return;
}
-
+
/**
- * Calls a method using an array of parameters (for use with PHP versions lower than 4.0.5)
- * ( = call_user_func_array() function )
- */
- function call_using_array($methodname, &$handler, $paramarray) {
-
- $methodname = 'parse_' . $methodname;
-
- if (!method_exists($handler, $methodname)) {
- return;
- }
-
- $command = 'call_user_func(array(&$handler,$methodname)';
- for ($i = 0; $i<count($paramarray); $i++)
- $command .= ',$paramarray[' . $i . ']';
- $command .= ');';
- eval($command); // execute the correct method
+ * Parser::setSkin()
+ * Set the skin
+ * @param object $skin an instance of Skin class
+ * @return void
+ */
+ public function setSkin(&$skin)
+ {
+ $this->skin = &$skin;
+ return;
}
-
+
/**
+ * Parser::setProperty()
* Set a property of the parser in the manager
*
- * @param $property additional parser property (e.g. include prefix of the skin)
- * @param $value new value
+ * @static
+ * @param string $property additional parser property (e.g. include prefix of the skin)
+ * @param string $value new value
+ * @return void
*/
- function setProperty($property, $value) {
+ static public function setProperty($property, $value)
+ {
global $manager;
$manager->setParserProperty($property, $value);
+ return;
}
/**
+ * Parser::getProperty()
* Get a property of the parser from the manager
*
- * @param $name name of the property
+ * @static
+ * @param string $name name of the property
+ * @return string value of the property
*/
- function getProperty($name) {
+ static public function getProperty($name)
+ {
global $manager;
return $manager->getParserProperty($name);
}
-
-
}
-
-?>
\ No newline at end of file
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