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Diffstat (limited to 'lib/htmlpurifier/library/HTMLPurifier/HTMLModule.php')
| -rw-r--r-- | lib/htmlpurifier/library/HTMLPurifier/HTMLModule.php | 244 |
1 files changed, 0 insertions, 244 deletions
diff --git a/lib/htmlpurifier/library/HTMLPurifier/HTMLModule.php b/lib/htmlpurifier/library/HTMLPurifier/HTMLModule.php deleted file mode 100644 index 072cf6808..000000000 --- a/lib/htmlpurifier/library/HTMLPurifier/HTMLModule.php +++ /dev/null @@ -1,244 +0,0 @@ -<?php - -/** - * Represents an XHTML 1.1 module, with information on elements, tags - * and attributes. - * @note Even though this is technically XHTML 1.1, it is also used for - * regular HTML parsing. We are using modulization as a convenient - * way to represent the internals of HTMLDefinition, and our - * implementation is by no means conforming and does not directly - * use the normative DTDs or XML schemas. - * @note The public variables in a module should almost directly - * correspond to the variables in HTMLPurifier_HTMLDefinition. - * However, the prefix info carries no special meaning in these - * objects (include it anyway if that's the correspondence though). - * @todo Consider making some member functions protected - */ - -class HTMLPurifier_HTMLModule -{ - - // -- Overloadable ---------------------------------------------------- - - /** - * Short unique string identifier of the module - */ - public $name; - - /** - * Informally, a list of elements this module changes. Not used in - * any significant way. - */ - public $elements = array(); - - /** - * Associative array of element names to element definitions. - * Some definitions may be incomplete, to be merged in later - * with the full definition. - */ - public $info = array(); - - /** - * Associative array of content set names to content set additions. - * This is commonly used to, say, add an A element to the Inline - * content set. This corresponds to an internal variable $content_sets - * and NOT info_content_sets member variable of HTMLDefinition. - */ - public $content_sets = array(); - - /** - * Associative array of attribute collection names to attribute - * collection additions. More rarely used for adding attributes to - * the global collections. Example is the StyleAttribute module adding - * the style attribute to the Core. Corresponds to HTMLDefinition's - * attr_collections->info, since the object's data is only info, - * with extra behavior associated with it. - */ - public $attr_collections = array(); - - /** - * Associative array of deprecated tag name to HTMLPurifier_TagTransform - */ - public $info_tag_transform = array(); - - /** - * List of HTMLPurifier_AttrTransform to be performed before validation. - */ - public $info_attr_transform_pre = array(); - - /** - * List of HTMLPurifier_AttrTransform to be performed after validation. - */ - public $info_attr_transform_post = array(); - - /** - * List of HTMLPurifier_Injector to be performed during well-formedness fixing. - * An injector will only be invoked if all of it's pre-requisites are met; - * if an injector fails setup, there will be no error; it will simply be - * silently disabled. - */ - public $info_injector = array(); - - /** - * Boolean flag that indicates whether or not getChildDef is implemented. - * For optimization reasons: may save a call to a function. Be sure - * to set it if you do implement getChildDef(), otherwise it will have - * no effect! - */ - public $defines_child_def = false; - - /** - * Boolean flag whether or not this module is safe. If it is not safe, all - * of its members are unsafe. Modules are safe by default (this might be - * slightly dangerous, but it doesn't make much sense to force HTML Purifier, - * which is based off of safe HTML, to explicitly say, "This is safe," even - * though there are modules which are "unsafe") - * - * @note Previously, safety could be applied at an element level granularity. - * We've removed this ability, so in order to add "unsafe" elements - * or attributes, a dedicated module with this property set to false - * must be used. - */ - public $safe = true; - - /** - * Retrieves a proper HTMLPurifier_ChildDef subclass based on - * content_model and content_model_type member variables of - * the HTMLPurifier_ElementDef class. There is a similar function - * in HTMLPurifier_HTMLDefinition. - * @param $def HTMLPurifier_ElementDef instance - * @return HTMLPurifier_ChildDef subclass - */ - public function getChildDef($def) {return false;} - - // -- Convenience ----------------------------------------------------- - - /** - * Convenience function that sets up a new element - * @param $element Name of element to add - * @param $type What content set should element be registered to? - * Set as false to skip this step. - * @param $contents Allowed children in form of: - * "$content_model_type: $content_model" - * @param $attr_includes What attribute collections to register to - * element? - * @param $attr What unique attributes does the element define? - * @note See ElementDef for in-depth descriptions of these parameters. - * @return Created element definition object, so you - * can set advanced parameters - */ - public function addElement($element, $type, $contents, $attr_includes = array(), $attr = array()) { - $this->elements[] = $element; - // parse content_model - list($content_model_type, $content_model) = $this->parseContents($contents); - // merge in attribute inclusions - $this->mergeInAttrIncludes($attr, $attr_includes); - // add element to content sets - if ($type) $this->addElementToContentSet($element, $type); - // create element - $this->info[$element] = HTMLPurifier_ElementDef::create( - $content_model, $content_model_type, $attr - ); - // literal object $contents means direct child manipulation - if (!is_string($contents)) $this->info[$element]->child = $contents; - return $this->info[$element]; - } - - /** - * Convenience function that creates a totally blank, non-standalone - * element. - * @param $element Name of element to create - * @return Created element - */ - public function addBlankElement($element) { - if (!isset($this->info[$element])) { - $this->elements[] = $element; - $this->info[$element] = new HTMLPurifier_ElementDef(); - $this->info[$element]->standalone = false; - } else { - trigger_error("Definition for $element already exists in module, cannot redefine"); - } - return $this->info[$element]; - } - - /** - * Convenience function that registers an element to a content set - * @param Element to register - * @param Name content set (warning: case sensitive, usually upper-case - * first letter) - */ - public function addElementToContentSet($element, $type) { - if (!isset($this->content_sets[$type])) $this->content_sets[$type] = ''; - else $this->content_sets[$type] .= ' | '; - $this->content_sets[$type] .= $element; - } - - /** - * Convenience function that transforms single-string contents - * into separate content model and content model type - * @param $contents Allowed children in form of: - * "$content_model_type: $content_model" - * @note If contents is an object, an array of two nulls will be - * returned, and the callee needs to take the original $contents - * and use it directly. - */ - public function parseContents($contents) { - if (!is_string($contents)) return array(null, null); // defer - switch ($contents) { - // check for shorthand content model forms - case 'Empty': - return array('empty', ''); - case 'Inline': - return array('optional', 'Inline | #PCDATA'); - case 'Flow': - return array('optional', 'Flow | #PCDATA'); - } - list($content_model_type, $content_model) = explode(':', $contents); - $content_model_type = strtolower(trim($content_model_type)); - $content_model = trim($content_model); - return array($content_model_type, $content_model); - } - - /** - * Convenience function that merges a list of attribute includes into - * an attribute array. - * @param $attr Reference to attr array to modify - * @param $attr_includes Array of includes / string include to merge in - */ - public function mergeInAttrIncludes(&$attr, $attr_includes) { - if (!is_array($attr_includes)) { - if (empty($attr_includes)) $attr_includes = array(); - else $attr_includes = array($attr_includes); - } - $attr[0] = $attr_includes; - } - - /** - * Convenience function that generates a lookup table with boolean - * true as value. - * @param $list List of values to turn into a lookup - * @note You can also pass an arbitrary number of arguments in - * place of the regular argument - * @return Lookup array equivalent of list - */ - public function makeLookup($list) { - if (is_string($list)) $list = func_get_args(); - $ret = array(); - foreach ($list as $value) { - if (is_null($value)) continue; - $ret[$value] = true; - } - return $ret; - } - - /** - * Lazy load construction of the module after determining whether - * or not it's needed, and also when a finalized configuration object - * is available. - * @param $config Instance of HTMLPurifier_Config - */ - public function setup($config) {} - -} - -// vim: et sw=4 sts=4 |