<?php
/**
* Collections and management of callbacks from plugin-filter and plugin-actions
*
* PHP version 5
*
* @category Runnable
* @package Core
* @author Henrik Roos <henrik.roos@afternoon.se>
* copyright 2013 Henrik Roos
* @license http://opensource.org/licenses/gpl-3.0.html GPL-3.0
* Link https://github.com/HenrikRoos/imdb-markup-syntax imdb-markup-syntax
*/
require_once 'Tag_Processing.php';
require_once 'PCRE_Exception.php';
/**
* Collections and management of callbacks from plugin-filter and plugin-actions
*
* @category Runnable
* @package Core
* @author Henrik Roos <henrik.roos@afternoon.se>
* copyright 2013 Henrik Roos
* @license http://opensource.org/licenses/gpl-3.0.html GPL-3.0
* Link https://github.com/HenrikRoos/imdb-markup-syntax imdb-markup-syntax
*/
class Callback_Management
{
/** @var string Localization for data, standard RFC 4646 */
public $locale;
/**
* Create an intsans and set localization for data
*
* Param string $locale Localization for data, standard RFC 4646
*/
public function __construct($locale = '')
{
$this->locale = $locale;
}
/**
* Replace **[imdb:id(ttxxxxxxx)]** and **[imdb:xxx]** with imdb data
* Call by *wp_insert_post_data* filter hook.
*
* Param array $data Sanitized post data
* Param array $postarr Raw post data.
*
* @return array Update $data
*/
public function filterImdbTags($data, $postarr)
{
$post_id = $postarr['ID'];
$content = $data['post_content'];
$data['post_content'] = $this->tagsReplace($content, 'imdb', $post_id);
$title = $data['post_title'];
$data['post_title'] = $this->tagsReplace($title, 'imdb', $post_id);
return $data;
}
/**
* Replace **[xxx:id(ttyyyy)]** and **[xxx:yyy]** with imdb data
*
* Param string $content Content widh tags
* Param string $prefix Starting tagname
* Param int $post_id Current post_id use by poster
*
* @return string content with replaced tags
*/
protected function tagsReplace($content, $prefix, $post_id = 0)
{
$content = $this->convertOneOffToSubPrefix($content, $prefix);
$prefixsubs = $this->getSubPrefixHints($content, $prefix);
foreach ($prefixsubs as $prefixsub) {
$imdb = new Tag_Processing($content, $post_id);
$imdb->locale = $this->locale;
$imdb->prefix = $prefixsub;
$imdb->tagsReplace();
$content = $imdb->getReplacementContent();
}
return $content;
}
/**
* Seek for tags with multi prefix syntax e.g imdb-a, imdb- , ... imdb-z.
* **SubPrefix Syntax: xxx-[a-z]**
*
* Param string $content Content widh tags
* Param string $prefix Starting tagname
*
* @throws PCRE_Exception
* @since 2.0
*
* @return array list of all sub prefix
*/
public function getSubPrefixHints($content, $prefix)
{
$match = array();
$pattern = '/\[(' . $prefix . '(-[a-z][a-z0-9]*)?):/i';
$isOk = @preg_match_all($pattern, $content, $match);
if ($isOk === false) {
throw new PCRE_Exception();
}
return array_values(array_unique(array_map('strtolower', $match[1])));
}
/**
* Convert one-off tags (with IDs embedded into the tag directly) to subprefixed tags
*
* Param string $content Content widh tags
* Param string $prefix Starting tagname
*
* @throws PCRE_Exception
* @since 2.1
*
* @return string content with one-off tags converted
*/
public function convertOneOffToSubPrefix($content, $prefix)
{
$match = array();
$pattern = '/\[' . $prefix . ':([a-z0-9_]{1,40})\((tt\d{7,20})\)\]/i';
$isOk = @preg_match_all($pattern, $content, $match);
if ($isOk === false) {
throw new PCRE_Exception();
}
$tagList = array_map('strtolower', $match[1]);
foreach (array_keys($tagList, 'id') as $idIndex) {
unset($match[2][$idIndex]);
}
$idList = array_values(array_unique(array_map('strtolower', $match[2])));
foreach ($idList as $id) {
$pattern = '/\[' . $prefix . ':([a-z0-9_]{1,40})\(' . $id . '\)\]/i';
$replace = '[' . $prefix . '-' . $id . ':$1]';
$replaceResult = preg_replace($pattern, $replace, $content);
if ($replaceResult === null) {
throw new PCRE_Exception();
}
else {
$content = $replaceResult;
}
$content = "[{$prefix}-{$id}:id({$id})]" . $content;
}
return str_ireplace('[' . $prefix . ':id]', '', $content);
}
/**
* Replace **[imdblive:id(ttxxxxxxx)]** and **[imdblive:xxx]** with imdb data
* Call by *the_content* or *the_title* filter hook
*
* Param string $content content widh tags
*
* @return string content with replaced tags
*/
public function liveFilterImdbTags($content)
{
return $this->tagsReplace($content, 'imdblive');
}
}
