vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule.php

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<?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.
     * @type string
     */
    public $name;

    /**
     * Informally, a list of elements this module changes.
     * Not used in any significant way.
     * @type array
     */
    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.
     * @type array
     */
    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.
     * @type array
     */
    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.
     * @type array