function Dwoo_Plugin_rss(Dwoo_Core $dwoo, $feed, $assign = 'rss_items', $limit = 5, $cacheTime = 60)
{
$cacheKey = 'rss:' . $feed;
if (false === ($rss = Cache::fetch($cacheKey))) {
$rss = new RssReader();
$rss->load($feed);
Cache::store($cacheKey, $rss, $cacheTime);
}
if ($limit) {
$dwoo->assignInScope(array_slice($rss->getItems(), 0, $limit), $assign);
} else {
$dwoo->assignInScope($rss->getItems(), $assign);
}
return '';
}
/**
* Reads a file
* <pre>
* * file : path or URI of the file to read (however reading from another website is not recommended for performance reasons)
* * assign : if set, the file will be saved in this variable instead of being output
* </pre>
* This software is provided 'as-is', without any express or implied warranty.
* In no event will the authors be held liable for any damages arising from the use of this software.
*
* @author Jordi Boggiano <*****@*****.**>
* @copyright Copyright (c) 2008, Jordi Boggiano
* @license http://dwoo.org/LICENSE Modified BSD License
* @link http://dwoo.org/
* @version 1.1.0
* @date 2009-07-18
* @package Dwoo
*/
function Dwoo_Plugin_fetch(Dwoo_Core $dwoo, $file, $assign = null)
{
if ($file === '') {
return;
}
if ($policy = $dwoo->getSecurityPolicy()) {
while (true) {
if (preg_match('{^([a-z]+?)://}i', $file)) {
return $dwoo->triggerError('The security policy prevents you to read files from external sources.', E_USER_WARNING);
}
$file = realpath($file);
$dirs = $policy->getAllowedDirectories();
foreach ($dirs as $dir => $dummy) {
if (strpos($file, $dir) === 0) {
break 2;
}
}
return $dwoo->triggerError('The security policy prevents you to read <em>' . $file . '</em>', E_USER_WARNING);
}
}
$file = str_replace(array("\t", "\n", "\r"), array('\\t', '\\n', '\\r'), $file);
$out = file_get_contents($file);
if ($assign === null) {
return $out;
}
$dwoo->assignInScope($out, $assign);
}
/**
* Inserts another template into the current one
* <pre>
* * file : the resource name of the template
* * cache_time : cache length in seconds
* * cache_id : cache identifier for the included template
* * compile_id : compilation identifier for the included template
* * data : data to feed into the included template, it can be any array and will default to $_root (the current data)
* * assign : if set, the output of the included template will be saved in this variable instead of being output
* * rest : any additional parameter/value provided will be added to the data array
* </pre>
* This software is provided 'as-is', without any express or implied warranty.
* In no event will the authors be held liable for any damages arising from the use of this software.
*
* @author Jordi Boggiano <*****@*****.**>
* @copyright Copyright (c) 2008, Jordi Boggiano
* @license http://dwoo.org/LICENSE Modified BSD License
* @link http://dwoo.org/
* @version 1.1.0
* @date 2009-07-18
* @package Dwoo
*/
function Dwoo_Plugin_include(Dwoo_Core $dwoo, $file, $cache_time = null, $cache_id = null, $compile_id = null, $data = '_root', $assign = null, array $rest = array())
{
if ($file === '') {
return;
}
if (preg_match('#^([a-z]{2,}):(.*)$#i', $file, $m)) {
// resource:identifier given, extract them
$resource = $m[1];
$identifier = $m[2];
} else {
// get the current template's resource
$resource = $dwoo->getTemplate()->getResourceName();
$identifier = $file;
}
try {
$include = $dwoo->templateFactory($resource, $identifier, $cache_time, $cache_id, $compile_id);
} catch (Dwoo_Security_Exception $e) {
return $dwoo->triggerError('Include : Security restriction : ' . $e->getMessage(), E_USER_WARNING);
} catch (Dwoo_Exception $e) {
return $dwoo->triggerError('Include : ' . $e->getMessage(), E_USER_WARNING);
}
if ($include === null) {
return $dwoo->triggerError('Include : Resource "' . $resource . ':' . $identifier . '" not found.', E_USER_WARNING);
} elseif ($include === false) {
return $dwoo->triggerError('Include : Resource "' . $resource . '" does not support includes.', E_USER_WARNING);
}
if (is_string($data)) {
$vars = $dwoo->readVar($data);
} else {
$vars = $data;
}
if (count($rest)) {
$vars = $rest + $vars;
}
$clone = clone $dwoo;
$out = $clone->get($include, $vars);
if ($assign !== null) {
$dwoo->assignInScope($out, $assign);
}
foreach ($clone->getReturnValues() as $name => $value) {
$dwoo->assignInScope($value, $name);
}
if ($assign === null) {
return $out;
}
}
function Dwoo_Plugin_twitter(Dwoo_Core $dwoo, $username = false, $query = false, $assign = 'tweets', $count = 5, $cacheTime = 60)
{
if ($query) {
$cacheKey = sprintf('twitter?query=%s', urlencode($query));
$feedURL = sprintf('http://search.twitter.com/search.json?q=%s', urlencode($query));
$twitterData = Twitter::getFeedData($feedURL, $cacheKey, $cacheTime);
$results = $twitterData['results'];
} elseif ($username) {
$cacheKey = sprintf('twitter?username=%s', urlencode($username));
$feedURL = sprintf('http://api.twitter.com/1/statuses/user_timeline/%s.json', urlencode($username));
$twitterData = Twitter::getFeedData($feedURL, $cacheKey, $cacheTime);
$results = $twitterData;
}
if (!empty($results) && is_array($results)) {
$dwoo->assignInScope(array_slice($results, 0, $count), $assign);
} else {
$dwoo->assignInScope(array(), $assign);
}
return '';
}
/**
* Evaluates the given string as if it was a template
*
* Although this plugin is kind of optimized and will
* not recompile your string each time, it is still not
* a good practice to use it. If you want to have templates
* stored in a database or something you should probably use
* the Dwoo_Template_String class or make another class that
* extends it
* <pre>
* * var : the string to use as a template
* * assign : if set, the output of the template will be saved in this variable instead of being output
* </pre>
* This software is provided 'as-is', without any express or implied warranty.
* In no event will the authors be held liable for any damages arising from the use of this software.
*
* @author Jordi Boggiano <*****@*****.**>
* @copyright Copyright (c) 2008, Jordi Boggiano
* @license http://dwoo.org/LICENSE Modified BSD License
* @link http://dwoo.org/
* @version 1.0.0
* @date 2008-10-23
* @package Dwoo
*/
function Dwoo_Plugin_eval(Dwoo_Core $dwoo, $var, $assign = null)
{
if ($var == '') {
return;
}
$tpl = new Dwoo_Template_String($var);
$clone = clone $dwoo;
$out = $clone->get($tpl, $dwoo->readVar('_parent'));
if ($assign !== null) {
$dwoo->assignInScope($out, $assign);
} else {
return $out;
}
}
