76 lines
2.6 KiB
PHP
76 lines
2.6 KiB
PHP
<?php defined("SYSPATH") or die("No direct script access.");
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/**
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* Gallery - a web based photo album viewer and editor
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* Copyright (C) 2000-2013 Bharat Mediratta
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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class Atom_Base_Core {
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protected $dom;
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protected $element;
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protected $children = array();
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protected $element_name;
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function __construct($element_name, $dom=null) {
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if ($dom) {
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$this->dom = $dom;
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$this->element = $dom->createElement($element_name);
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} else {
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$this->dom = new DOMDocument('1.0', 'utf-8');
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$this->element = $this->dom->createElementNS("http://www.w3.org/2005/Atom", $element_name);
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}
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$this->dom->appendChild($this->element);
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$this->element_name = $element_name;
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return $this;
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}
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public function get_element() {
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$this->add_children_to_base_element();
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return $this->element;
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}
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public function as_xml() {
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$this->add_children_to_base_element();
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$this->dom->formatOutput = true;
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return $this->dom->saveXML();
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}
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public function as_json() {
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$this->add_children_to_base_element();
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/* Both Google and Yahoo generate their JSON from XML. We could do that, too. */
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return null;
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}
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public function load_xml($xml) {
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/* Load XML into our DOM. We can also validate against the RELAX NG schema from the Atom RFC. */
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}
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protected function add_child($element_type, $element_name) {
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// @todo check if element_type is of Atom_Base; this can also be done with no magic
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$element = new $element_type($element_name, $this->dom);
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$this->children[$element_name][] = $element;
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return end($this->children[$element_name]);
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}
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protected function add_children_to_base_element() {
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foreach ($this->children as $element_type => $elements) {
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$base_element = $this->element;
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foreach ($elements as $id => $element) {
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$base_element->appendChild($element->get_element());
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}
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}
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}
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} |