diff -r 5b37998e522e -r 162c1de6545a web/lib/Zend/Markup/Renderer/RendererAbstract.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/Zend/Markup/Renderer/RendererAbstract.php	Fri Mar 11 15:05:35 2011 +0100
@@ -0,0 +1,702 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Markup
+ * @subpackage Renderer
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id: RendererAbstract.php 22197 2010-05-19 13:32:25Z kokx $
+ */
+
+/**
+ * @see Zend_config
+ */
+require_once 'Zend/Config.php';
+/**
+ * @see Zend_Filter
+ */
+require_once 'Zend/Filter.php';
+/**
+ * @see Zend_Markup_Renderer_TokenConverterInterface
+ */
+require_once 'Zend/Markup/Renderer/TokenConverterInterface.php';
+
+/**
+ * Defines the basic rendering functionality
+ *
+ * @category   Zend
+ * @package    Zend_Markup
+ * @subpackage Renderer
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+abstract class Zend_Markup_Renderer_RendererAbstract
+{
+    const TYPE_CALLBACK = 4;
+    const TYPE_REPLACE  = 8;
+    const TYPE_ALIAS    = 16;
+
+    /**
+     * Tag info
+     *
+     * @var array
+     */
+    protected $_markups = array();
+
+    /**
+     * Parser
+     *
+     * @var Zend_Markup_Parser_ParserInterface
+     */
+    protected $_parser;
+
+    /**
+     * What filter to use
+     *
+     * @var bool
+     */
+    protected $_filter;
+
+    /**
+     * Filter chain
+     *
+     * @var Zend_Filter
+     */
+    protected $_defaultFilter;
+
+    /**
+     * The current group
+     *
+     * @var string
+     */
+    protected $_group;
+
+    /**
+     * Groups definition
+     *
+     * @var array
+     */
+    protected $_groups = array();
+
+    /**
+     * Plugin loader for tags
+     *
+     * @var Zend_Loader_PluginLoader
+     */
+    protected $_pluginLoader;
+
+    /**
+     * The current token
+     *
+     * @var Zend_Markup_Token
+     */
+    protected $_token;
+
+    /**
+     * Encoding
+     *
+     * @var string
+     */
+    protected static $_encoding = 'UTF-8';
+
+
+    /**
+     * Constructor
+     *
+     * @param array|Zend_Config $options
+     *
+     * @return void
+     */
+    public function __construct($options = array())
+    {
+        if ($options instanceof Zend_Config) {
+            $options = $options->toArray();
+        }
+
+        if (isset($options['encoding'])) {
+            $this->setEncoding($options['encoding']);
+        }
+        if (isset($options['parser'])) {
+            $this->setParser($options['parser']);
+        }
+        if (!isset($options['useDefaultFilters']) || ($options['useDefaultFilters'] === true)) {
+            $this->addDefaultFilters();
+        }
+        if (isset($options['defaultFilter'])) {
+            $this->addDefaultFilter($options['defaultFilter']);
+        }
+    }
+
+    /**
+     * Set the parser
+     *
+     * @param  Zend_Markup_Parser_ParserInterface $parser
+     * @return Zend_Markup_Renderer_RendererAbstract
+     */
+    public function setParser(Zend_Markup_Parser_ParserInterface $parser)
+    {
+        $this->_parser = $parser;
+        return $this;
+    }
+
+    /**
+     * Get the parser
+     *
+     * @return Zend_Markup_Parser_ParserInterface
+     */
+    public function getParser()
+    {
+        return $this->_parser;
+    }
+
+    /**
+     * Get the plugin loader
+     *
+     * @return Zend_Loader_PluginLoader
+     */
+    public function getPluginLoader()
+    {
+        return $this->_pluginLoader;
+    }
+
+    /**
+     * Set the renderer's encoding
+     *
+     * @param string $encoding
+     *
+     * @return void
+     */
+    public static function setEncoding($encoding)
+    {
+        self::$_encoding = $encoding;
+    }
+
+    /**
+     * Get the renderer's encoding
+     *
+     * @return string
+     */
+    public static function getEncoding()
+    {
+        return self::$_encoding;
+    }
+
+    /**
+     * Add a new markup
+     *
+     * @param string $name
+     * @param string $type
+     * @param array $options
+     *
+     * @return Zend_Markup_Renderer_RendererAbstract
+     */
+    public function addMarkup($name, $type, array $options)
+    {
+        if (!isset($options['group']) && ($type ^ self::TYPE_ALIAS)) {
+            require_once 'Zend/Markup/Renderer/Exception.php';
+            throw new Zend_Markup_Renderer_Exception("There is no render group defined.");
+        }
+
+        // add the filter
+        if (isset($options['filter'])) {
+            if ($options['filter'] instanceof Zend_Filter_Interface) {
+                $filter = $options['filter'];
+            } elseif ($options['filter'] === true) {
+                $filter = $this->getDefaultFilter();
+            } else {
+                $filter = false;
+            }
+        } else {
+            $filter = $this->getDefaultFilter();
+        }
+
+        // check the type
+        if ($type & self::TYPE_CALLBACK) {
+            // add a callback tag
+            if (isset($options['callback'])) {
+                if (!($options['callback'] instanceof Zend_Markup_Renderer_TokenConverterInterface)) {
+                    require_once 'Zend/Markup/Renderer/Exception.php';
+                    throw new Zend_Markup_Renderer_Exception("Not a valid tag callback.");
+                }
+                if (method_exists($options['callback'], 'setRenderer')) {
+                    $options['callback']->setRenderer($this);
+                }
+            } else {
+                $options['callback'] = null;
+            }
+
+            $options['type'] = $type;
+            $options['filter'] = $filter;
+
+            $this->_markups[$name] = $options;
+        } elseif ($type & self::TYPE_ALIAS) {
+            // add an alias
+            if (empty($options['name'])) {
+                require_once 'Zend/Markup/Renderer/Exception.php';
+                throw new Zend_Markup_Renderer_Exception(
+                        'No alias was provided but tag was defined as such');
+            }
+
+            $this->_markups[$name] = array(
+                'type' => self::TYPE_ALIAS,
+                'name' => $options['name']
+            );
+        } else {
+            if ($type && array_key_exists('empty', $options) && $options['empty']) {
+                // add a single replace markup
+                $options['type']   = $type;
+                $options['filter'] = $filter;
+
+                $this->_markups[$name] = $options;
+            } else {
+                // add a replace markup
+                $options['type']   = $type;
+                $options['filter'] = $filter;
+
+                $this->_markups[$name] = $options;
+            }
+        }
+        return $this;
+    }
+
+    /**
+     * Remove a markup
+     *
+     * @param string $name
+     *
+     * @return void
+     */
+    public function removeMarkup($name)
+    {
+        unset($this->_markups[$name]);
+    }
+
+    /**
+     * Remove the default tags
+     *
+     * @return void
+     */
+    public function clearMarkups()
+    {
+        $this->_markups = array();
+    }
+
+    /**
+     * Render function
+     *
+     * @param  Zend_Markup_TokenList|string $tokenList
+     * @return string
+     */
+    public function render($value)
+    {
+        if ($value instanceof Zend_Markup_TokenList) {
+            $tokenList = $value;
+        } else {
+            $tokenList = $this->getParser()->parse($value);
+        }
+
+        $root = $tokenList->current();
+
+        $this->_filter = $this->getDefaultFilter();
+
+        return $this->_render($root);
+    }
+
+    /**
+     * Render a single token
+     *
+     * @param  Zend_Markup_Token $token
+     * @return string
+     */
+    protected function _render(Zend_Markup_Token $token)
+    {
+        $return    = '';
+
+        $this->_token = $token;
+
+        // if this tag has children, execute them
+        if ($token->hasChildren()) {
+            foreach ($token->getChildren() as $child) {
+                $return .= $this->_execute($child);
+            }
+        }
+
+        return $return;
+    }
+
+    /**
+     * Get the group of a token
+     *
+     * @param  Zend_Markup_Token $token
+     * @return string|bool
+     */
+    protected function _getGroup(Zend_Markup_Token $token)
+    {
+        if (!isset($this->_markups[$token->getName()])) {
+            return false;
+        }
+
+        $tag = $this->_markups[$token->getName()];
+
+        // alias processing
+        while ($tag['type'] & self::TYPE_ALIAS) {
+            $tag = $this->_markups[$tag['name']];
+        }
+
+        return isset($tag['group']) ? $tag['group'] : false;
+    }
+
+    /**
+     * Execute the token
+     *
+     * @param  Zend_Markup_Token $token
+     * @return string
+     */
+    protected function _execute(Zend_Markup_Token $token)
+    {
+        // first return the normal text tags
+        if ($token->getType() == Zend_Markup_Token::TYPE_NONE) {
+            return $this->_filter($token->getTag());
+        }
+
+        // if the token doesn't have a notation, return the plain text
+        if (!isset($this->_markups[$token->getName()])) {
+            $oldToken  = $this->_token;
+            $return = $this->_filter($token->getTag()) . $this->_render($token) . $token->getStopper();
+            $this->_token = $oldToken;
+            return $return;
+        }
+
+        $name   = $this->_getMarkupName($token);
+        $markup = (!$name) ? false : $this->_markups[$name];
+        $empty  = (is_array($markup) && array_key_exists('empty', $markup) && $markup['empty']);
+
+        // check if the tag has content
+        if (!$empty && !$token->hasChildren()) {
+            return '';
+        }
+
+        // check for the context
+        if (is_array($markup) && !in_array($markup['group'], $this->_groups[$this->_group])) {
+            $oldToken = $this->_token;
+            $return   = $this->_filter($token->getTag()) . $this->_render($token) . $token->getStopper();
+            $this->_token = $oldToken;
+            return $return;
+        }
+
+        // check for the filter
+        if (!isset($markup['filter'])
+            || (!($markup['filter'] instanceof Zend_Filter_Interface) && ($markup['filter'] !== false))) {
+            $this->_markups[$name]['filter'] = $this->getDefaultFilter();
+        }
+
+        // save old values to reset them after the work is done
+        $oldFilter = $this->_filter;
+        $oldGroup  = $this->_group;
+
+        $return = '';
+
+        // set the filter and the group
+        $this->_filter = $this->getFilter($name);
+
+        if ($group = $this->_getGroup($token)) {
+            $this->_group = $group;
+        }
+
+        // callback
+        if (is_array($markup) && ($markup['type'] & self::TYPE_CALLBACK)) {
+            // load the callback if the tag doesn't exist
+            if (!($markup['callback'] instanceof Zend_Markup_Renderer_TokenConverterInterface)) {
+                $class = $this->getPluginLoader()->load($name);
+
+                $markup['callback'] = new $class;
+
+                if (!($markup['callback'] instanceof Zend_Markup_Renderer_TokenConverterInterface)) {
+                    require_once 'Zend/Markup/Renderer/Exception.php';
+                    throw new Zend_Markup_Renderer_Exception("Callback for tag '$name' found, but it isn't valid.");
+                }
+
+                if (method_exists($markup['callback'], 'setRenderer')) {
+                    $markup['callback']->setRenderer($this);
+                }
+            }
+            if ($markup['type'] && !$empty) {
+                $return = $markup['callback']->convert($token, $this->_render($token));
+            } else {
+                $return = $markup['callback']->convert($token, null);
+            }
+        } else {
+            // replace
+            if ($markup['type'] && !$empty) {
+                $return = $this->_executeReplace($token, $markup);
+            } else {
+                $return = $this->_executeSingleReplace($token, $markup);
+            }
+        }
+
+        // reset to the old values
+        $this->_filter = $oldFilter;
+        $this->_group  = $oldGroup;
+
+        return $return;
+    }
+
+    /**
+     * Filter method
+     *
+     * @param string $value
+     *
+     * @return string
+     */
+    protected function _filter($value)
+    {
+        if ($this->_filter instanceof Zend_Filter_Interface) {
+            return $this->_filter->filter($value);
+        }
+        return $value;
+    }
+
+    /**
+     * Get the markup name
+     *
+     * @param Zend_Markup_Token
+     *
+     * @return string
+     */
+    protected function _getMarkupName(Zend_Markup_Token $token)
+    {
+        $name = $token->getName();
+        if (empty($name)) {
+            return false;
+        }
+
+        return $this->_resolveMarkupName($name);
+    }
+
+    /**
+     * Resolve aliases for a markup name
+     *
+     * @param string $name
+     *
+     * @return string
+     */
+    protected function _resolveMarkupName($name)
+    {
+        while (($type = $this->_getMarkupType($name))
+               && ($type & self::TYPE_ALIAS)
+        ) {
+            $name = $this->_markups[$name]['name'];
+        }
+
+        return $name;
+    }
+
+    /**
+     * Retrieve markup type
+     *
+     * @param  string $name
+     * @return false|int
+     */
+    protected function _getMarkupType($name)
+    {
+        if (!isset($this->_markups[$name])) {
+            return false;
+        }
+        if (!isset($this->_markups[$name]['type'])) {
+            return false;
+        }
+        return $this->_markups[$name]['type'];
+    }
+
+    /**
+     * Execute a replace token
+     *
+     * @param  Zend_Markup_Token $token
+     * @param  array $tag
+     * @return string
+     */
+    protected function _executeReplace(Zend_Markup_Token $token, $tag)
+    {
+        return $tag['start'] . $this->_render($token) . $tag['end'];
+    }
+
+    /**
+     * Execute a single replace token
+     *
+     * @param  Zend_Markup_Token $token
+     * @param  array $tag
+     * @return string
+     */
+    protected function _executeSingleReplace(Zend_Markup_Token $token, $tag)
+    {
+        return $tag['replace'];
+    }
+
+    /**
+     * Get the default filter
+     *
+     * @return void
+     */
+    public function getDefaultFilter()
+    {
+        if (null === $this->_defaultFilter) {
+            $this->addDefaultFilters();
+        }
+
+        return $this->_defaultFilter;
+    }
+
+    /**
+     * Add a default filter
+     *
+     * @param string $filter
+     *
+     * @return void
+     */
+    public function addDefaultFilter(Zend_Filter_Interface $filter, $placement = Zend_Filter::CHAIN_APPEND)
+    {
+        if (!($this->_defaultFilter instanceof Zend_Filter)) {
+            $defaultFilter = new Zend_Filter();
+            $defaultFilter->addFilter($filter);
+            $this->_defaultFilter = $defaultFilter;
+        }
+
+        $this->_defaultFilter->addFilter($filter, $placement);
+    }
+
+    /**
+     * Set the default filter
+     *
+     * @param Zend_Filter_Interface $filter
+     *
+     * @return void
+     */
+    public function setDefaultFilter(Zend_Filter_Interface $filter)
+    {
+        $this->_defaultFilter = $filter;
+    }
+
+    /**
+     * Get the filter for an existing markup
+     *
+     * @param string $markup
+     *
+     * @return Zend_Filter_Interface
+     */
+    public function getFilter($markup)
+    {
+        $markup = $this->_resolveMarkupName($markup);
+
+        if (!isset($this->_markups[$markup]['filter'])
+            || !($this->_markups[$markup]['filter'] instanceof Zend_Filter_Interface)
+        ) {
+            if (isset($this->_markups[$markup]['filter']) && $this->_markups[$markup]['filter']) {
+                $this->_markups[$markup]['filter'] = $this->getDefaultFilter();
+            } else {
+                return false;
+            }
+        }
+
+        return $this->_markups[$markup]['filter'];
+    }
+
+    /**
+     * Add a filter for an existing markup
+     *
+     * @param Zend_Filter_Interface $filter
+     * @param string $markup
+     * @param string $placement
+     *
+     * @return Zend_Markup_Renderer_RendererAbstract
+     */
+    public function addFilter(Zend_Filter_Interface $filter, $markup, $placement = Zend_Filter::CHAIN_APPEND)
+    {
+        $markup = $this->_resolveMarkupName($markup);
+
+        $oldFilter = $this->getFilter($markup);
+
+        // if this filter is the default filter, clone it first
+        if ($oldFilter === $this->getDefaultFilter()) {
+            $oldFilter = clone $oldFilter;
+        }
+
+        if (!($oldFilter instanceof Zend_Filter)) {
+            $this->_markups[$markup]['filter'] = new Zend_Filter();
+
+            if ($oldFilter instanceof Zend_Filter_Interface) {
+                $this->_markups[$markup]['filter']->addFilter($oldFilter);
+            }
+        } else {
+            $this->_markups[$markup]['filter'] = $oldFilter;
+        }
+
+        $this->_markups[$markup]['filter']->addFilter($filter, $placement);
+
+        return $this;
+    }
+
+    /**
+     * Set the filter for an existing
+     *
+     * @param Zend_Filter_Interface $filter
+     * @param string $markup
+     *
+     * @return Zend_Markup_Renderer_RendererAbstract
+     */
+    public function setFilter(Zend_Filter_Interface $filter, $markup)
+    {
+        $markup = $this->_resolveMarkupName($markup);
+
+        $this->_markups[$markup]['filter'] = $filter;
+
+        return $this;
+    }
+
+    /**
+     * Add a render group
+     *
+     * @param string $name
+     * @param array $allowedInside
+     * @param array $allowsInside
+     *
+     * @return void
+     */
+    public function addGroup($name, array $allowedInside = array(), array $allowsInside = array())
+    {
+        $this->_groups[$name] = $allowsInside;
+
+        foreach ($allowedInside as $group) {
+            $this->_groups[$group][] = $name;
+        }
+    }
+
+    /**
+     * Get group definitions
+     *
+     * @return array
+     */
+    public function getGroups()
+    {
+        return $this->_groups;
+    }
+
+    /**
+     * Set the default filters
+     *
+     * @return void
+     */
+    abstract public function addDefaultFilters();
+
+}