<?php
/**
* Template parsing class.
*
* @package QueryTemplates
* @author Tobiasz Cudnik <tobiasz.cudnik/gmail.com>
* @license http://www.opensource.org/licenses/mit-license.php MIT License
* @link http://code.google.com/p/querytemplates/
*/
class QueryTemplatesParse
extends QueryTemplatesPhpQuery
implements IQueryTemplatesParse {
public $dependencies = array();
public $collected = array();
/**
* Vars avaible in template scope AFTER template parsing process.
*
* @var unknown_type
*/
public $vars = array();
/**
* Enter description here...
*
* @var QueryTemplatesTemplate
*/
public $parent;
public function __construct($parent, $docId = null) {
if ( $parent instanceof self ) {
// new instance call from phpQuery
// link all important vars to new object
$this->parent =& $parent->parent;
$this->collected =& $parent->collected;
$this->dependencies =& $parent->dependencies;
parent::__construct($docId);
} else {
$this->parent = $parent;
$this->collectAll();
}
}
private function collectAll() {
$s = DIRECTORY_SEPARATOR;
QueryTemplates::$sourcesPath = rtrim(QueryTemplates::$sourcesPath, $s).$s;
// repeat all method calls stored in replicator to QueryTemplatesFetch object
foreach($this->parent->toFetch['parts'] as $r) {
// FIXME check if path is valid
// QueryTemplates::$sourcesPath.$r[0]
if ($r[0] instanceof Callback) {
$content = phpQuery::callbackRun($r[0]);
} else {
$content = file_get_contents(QueryTemplates::$sourcesPath.$r[0]);
}
// PHP file
if ($r[2])
$content = phpQuery::markupToPHP($content);
$fetch = new QueryTemplatesSourceQuery($this, $content);
foreach($r[1]->calls as $call) {
$fetch = call_user_method_array($call[0], $fetch, $call[1]);
}
$this->dependencies[] = QueryTemplates::$sourcesPath.$r[0];
}
foreach($this->parent->toFetch['full'] as $r) {
if ($r[0] instanceof Callback) {
$content = phpQuery::callbackRun($r[0]);
$name = $r[1];
if (! $name)
throw new Exception('Name needed when using Callback as source');
} else {
$name = $r[1]
? $r[1]
: $r[0];
$content = file_get_contents(QueryTemplates::$sourcesPath.$r[0]);
$this->dependencies[] = QueryTemplates::$sourcesPath.$r[0];
}
$this->collected[$name] = $content;
if ($r[2]) {
$this->collected[$name] = phpQuery::markupToPHP(
$this->collected[$name]
);
}
}
}
/**
* Save template and return file path ready to include.
*
* @return string
*/
public function save($unloadDocument = true) {
if (! $this->parent->cache) {
$cacheTimeout = QueryTemplates::$cacheTimeout;
QueryTemplates::$cacheTimeout = -1;
}
$return = QueryTemplates::saveTemplate(
$this->toRoot(),
$this->dependencies,
$this->parent->name,
$this->vars,
null, $unloadDocument
);
if (! $this->parent->cache) {
QueryTemplates::$cacheTimeout = $cacheTimeout;
}
return $return;
}
public function documentCreate($source) {
$id = phpQuery::newDocument($source->markup())->getDocumentId();
parent::__construct($id);
}
/**
* Saves outerHtml() as value of variable $var avaible in template scope.
*
* @param unknown_type $name
*/
public function saveAsVar($name) {
$object = $this;
while($object->previous)
$object = $object->previous;
$object->vars[$name] = $this->markupOuter();
return $this;
}
/**
* Saves text() as value of variable $var avaible in template scope.
*
* @param unknown_type $name
*/
public function saveTextAsVar($name) {
$object = $this;
while($object->previous)
$object = $object->previous;
$object->vars[$name] = $this->text();
return $this;
}
public function __toString() {
try {
return $this->save();
} catch(Exception $e) {
return '';
}
}
/**
* Iterator override to return extended phpQuery object insted of DOMNode.
*
* @return unknown
* @access private
*/
public function current(){
return $this->newInstance(
array(parent::current())
);
}
/**
* Return collected source as phpQuery object. Returned object is a separate document.
* Method must be ended with one of followings:
* - QueryTemplatesSource::returnReplace()
* - QueryTemplatesSource::returnAppend()
* - QueryTemplatesSource::returnPrepend()
* - QueryTemplatesSource::returnAfter()
* - QueryTemplatesSource::returnBefore()
*
* @param String $name
* @return QueryTemplatesSource
* @see QueryTemplatesSource
*/
public function source($name) {
$this->debug("Source pickup: {$name}");
if (! isset($this->collected[$name]))
throw new Exception("Source '{$name}' isn\'t loaded.");
// $this->elements = array($this->root);
return new QueryTemplatesSource($this, $this->collected[$name]);
}
/**
* @see QueryTemplatesTemplate::templateCache()
* @return QueryTemplatesParse
*/
public function templateCache($state = null) {
$this->parent->templateCache($state);
return $this;
}
/**
* @see QueryTemplatesTemplate::templateName()
* @return QueryTemplatesParse
*/
public function templateName($newName = null) {
$this->parent->templateName($state);
return $this;
}
}
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