<?php

/**
 * Mocks the AMP_Base_Sanitizer class.
 *
 * @package AdPlugg
 * @since 1.7
 */
class AMP_Base_Sanitizer {
	
	/**
	 * Value used with the height attribute in an $attributes parameter is empty.
	 *
	 * @since 0.3.3
	 *
	 * @const int
	 */
	const FALLBACK_HEIGHT = 400;

	/**
	 * Placeholder for default args, to be set in child classes.
	 *
	 * @since 0.2
	 *
	 * @var array
	 */
	protected $DEFAULT_ARGS = array();
	
	/**
	 * The root element used for sanitization. Either html or body.
	 *
	 * @var DOMElement
	 */
	protected $root_element;

	/**
	 * DOM.
	 * @var DOMDocument A standard PHP representation of an HTML document in object form.
	 */
	protected $dom;
	
	/**
	 * Array of flags used to control sanitization.
	 *
	 * @var array {
	 *      @type int $content_max_width
	 *      @type bool $add_placeholder
	 *      @type bool $use_document_element
	 *      @type bool $require_https_src
	 *      @type string[] $amp_allowed_tags
	 *      @type string[] $amp_globally_allowed_attributes
	 *      @type string[] $amp_layout_allowed_attributes
	 * }
	 */
	protected $args;
	
	/**
	 * AMP_Base_Sanitizer constructor.
	 *
	 * @since 0.2
	 *
	 * @param DOMDocument $dom Represents the HTML document to sanitize.
	 * @param array       $args {
	 *      Args.
	 *
	 *      @type int $content_max_width
	 *      @type bool $add_placeholder
	 *      @type bool $require_https_src
	 *      @type string[] $amp_allowed_tags
	 *      @type string[] $amp_globally_allowed_attributes
	 *      @type string[] $amp_layout_allowed_attributes
	 * }
	 */
	public function __construct( $dom, $args = array() ) {
		$this->dom  = $dom;
		$this->args = array_merge( $this->DEFAULT_ARGS, $args );

		if ( ! empty( $this->args['use_document_element'] ) ) {
			$this->root_element = $this->dom->documentElement;
		} else {
			$this->root_element = $this->dom->getElementsByTagName( 'body' )->item( 0 );
		}
	}
	
}