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122 lines
2.6 KiB
PHP
122 lines
2.6 KiB
PHP
<?php
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/**
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* ARC2 Resource object
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*
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* @author Benjamin Nowack <bnowack@semsol.com>
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* @license http://arc.semsol.org/license
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* @homepage <http://arc.semsol.org/>
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* @package ARC2
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* @version 2009-11-26
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*/
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ARC2::inc('Class');
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class ARC2_Resource extends ARC2_Class {
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function __construct($a = '', &$caller) {
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parent::__construct($a, $caller);
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}
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function ARC2_Resource($a = '', &$caller) {
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$this->__construct($a, $caller);
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}
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function __init() {
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parent::__init();
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$this->uri = '';
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$this->index = array();
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$this->fetched = array();
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$this->store = '';
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}
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/* */
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function setURI($uri) {
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$this->uri = $uri;
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}
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function setIndex($index) {
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$this->index = $index;
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}
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function setProps($props, $s = '') {
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if (!$s) $s = $this->uri;
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$this->index[$s] = $props;
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}
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function setProp($p, $os, $s = '') {
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if (!$s) $s = $this->uri;
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/* single plain value */
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if (!is_array($os)) $os = array('value' => $os, 'type' => 'literal');
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/* single array value */
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if (isset($os['value'])) $os = array($os);
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/* list of values */
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foreach ($os as $i => $o) {
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if (!is_array($o)) $os[i] = array('value' => $o, 'type' => 'literal');
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}
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$this->index[$s][$this->expandPName($p)] = $os;
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}
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function setStore($store) {
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$this->store = $store;
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}
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/* */
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function fetchData($uri = '') {
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if (!$uri) $uri = $this->uri;
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if (!$uri) return 0;
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if (in_array($uri, $this->fetched)) return 0;
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$this->index[$uri] = array();
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if ($this->store) {
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$index = $this->store->query('DESCRIBE <' . $uri . '>', 'raw');
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}
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else {
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$index = $this->toIndex($uri);
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}
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$this->index = ARC2::getMergedIndex($this->index, $index);
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$this->fetched[] = $uri;
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}
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/* */
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function getProps($p = '', $s = '') {
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if (!$s) $s = $this->uri;
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if (!$s) return array();
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if (!isset($this->index[$s])) $this->fetchData($s);
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if (!$p) return $this->index[$s];
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return $this->v($this->expandPName($p), array(), $this->index[$s]);
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}
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function getProp($p, $s = '') {
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$props = $this->getProps($p, $s);
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return $props ? $props[0] : '';
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}
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function getPropValue($p, $s = '') {
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$prop = $this->getProp($p, $s);
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return $prop ? $prop['value'] : '';
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}
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function getPropValues($p, $s = '') {
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$r = array();
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$props = $this->getProps($p, $s);
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foreach ($props as $prop) {
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$r[] = $prop['value'];
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}
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return $r;
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}
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function hasPropValue($p, $o, $s = '') {
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$props = $this->getProps($p, $s);
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$o = $this->expandPName($o);
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foreach ($props as $prop) {
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if ($prop['value'] == $o) return 1;
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}
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return 0;
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}
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/* */
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}
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