<?php
/**
 * 金魚屋 Smarty プラグイン
 *
 * 金魚屋開発支援シリーズ
 *
 * @package Joomla
 * @subpackage plugin_kingyoya_smarty
 * @author 金魚屋・Ｊ・龍角
 * @copyright (C) 2008 www.kingyoya.org</copyright>
 * @license http://www.gnu.org/copyleft/gpl.html GNU/GPL
 * @version 1.0.0
 */

// no direct access
defined( '_JEXEC' ) or die( 'Restricted access' );

jimport( 'joomla.plugin.plugin' );

/**
 * 金魚屋 Smarty プラグイン
 */
class plgSystemKingyoyaSmarty extends JPlugin {

	/**
	 * Constructor
	 *
	 * For php4 compatability we must not use the __constructor as a constructor for plugins
	 * because func_get_args ( void ) returns a copy of all passed arguments NOT references.
	 * This causes problems with cross-referencing necessary for the observer design pattern.
	 *
	 * @access	protected
	 * @param	object	$subject The object to observe
	 * @param 	array   $config  An array that holds the plugin configuration
	 * @since	1.0
	 */
	function plgSystemKingyoyaSmarty( &$subject, $params ) {
		parent::__construct($subject, $params);
	}

	/**
	 * 初期化後処理
	 */
	function onAfterInitialise() {
		$smarty_dir = $this->params->get('smarty_dir', 'smarty');
		$smarty_path = realpath(JPATH_SITE.DS.$smarty_dir);
		$smarty_path or $smarty_path = realpath($smarty_dir);
		if (!$smarty_path) {
			trigger_error("Smarty dir not exists: {$smarty_dir}", E_USER_WARNING);
			return;
		}
		$smarty_path .= DS;
		$smarty_class_path = realpath($smarty_path.'Smarty.class.php');
		if (!$smarty_class_path) {
			trigger_error("Smarty class not exists: {$smarty_dir}", E_USER_WARNING);
			return;
		}
		define('SMARTY_DIR', $smarty_path);

		if ($smarty_core_dir = $this->params->get('smarty_core_dir')) {
			$smarty_core_path = realpath(JPATH_SITE.DS.$smarty_core_dir);
			$smarty_core_path or $smarty_core_path = realpath($smarty_core_path);
			if (!$smarty_core_path) {
				trigger_error("Smarty core dir not exists: {$smarty_core_dir}", E_USER_WARNING);
				return;
			}
			define('SMARTY_CORE_DIR', $smarty_core_path);
		}

		require_once $smarty_class_path;

		$smarty =& getKingyoyaSmarty();

		$keys = array(
			'pathes' => array(
				 'template_dir'
				,'compile_dir'
				,'config_dir'
				,'cache_dir'
			)
			,'list' => array(
				 'plugins_dir'
				,'secure_dir'
				,'trusted_dir'
				,'default_modifiers'
				)
			,'default' => array(
				 'left_delimiter'
				,'right_delimiter'
				,'debug_tpl'
				,'debugging_ctl'
				,'caching'
				,'cache_lifetime'
				,'cache_handler_func'
				,'default_template_handler_func'
				,'php_handling'
				,'compiler_class'
				,'error_reporting'
				,'compile_id'
				,'default_resource_type'
			)
			,'boolean' => array(
				 'debugging'
				,'compile_check'
				,'force_compile'
				,'cache_modified_check'
				,'security'
				,'request_use_auto_globals'
				,'use_sub_dirs'
				,'config_overwrite'
				,'config_booleanize'
				,'config_read_hidden'
				,'config_fix_newlines'
				)
		);

		/*
		 * 基本設定
		 */
		foreach ($keys['default'] as $key) {
			$smarty->$key = $this->params->get($key);
		}

		/*
		 * 真偽設定
		 */
		foreach ($keys['boolean'] as $key) {
			$smarty->$key = (boolean) $this->params->get($key);
		}

		/*
		 * リスト設定
		 */
		foreach ($keys['list'] as $key) {
			if ($value = $this->params->get($key)) {
				$smarty->$key = explode("\n", $this->params->get($key));
			}
		}

		/*
		 * パス設定
		 */
		foreach ($keys['pathes'] as $key) {
			$value = $this->params->get($key);
			$path = realpath(JPATH_SITE.DS.$value);
			$path or $path = realpath($value);
			$path and $smarty->$key = $path;
		}

		/*
		 * セキュリティ設定
		 */
		if ($value = $this->params->get('security_settings_php_handling')) {
			$smarty->security_settings['PHP_HANDLING'] = (boolean) $value;
		}
		if ($value = $this->params->get('security_settings_if_funcs')) {
			$smarty->security_settings['IF_FUNCS'] = explode("\n", $value);
		}
		if ($value = $this->params->get('security_settings_include_any')) {
			$smarty->security_settings['INCLUDE_ANY'] = (boolean) $value;
		}
		if ($value = $this->params->get('security_settings_modifier_funcs')) {
			$smarty->security_settings['MODIFIER_FUNCS'] = explode("\n", $value);
		}
		if ($value = $this->params->get('security_settings_allow_constants')) {
			$smarty->security_settings['ALLOW_CONSTANTS'] = (boolean) $value;
		}

		/*
		 * その他設定
		 */
		if ($value = $this->params->get('request_vars_order')) {
			$smarty->request_vars_order = $value;
		}

		return;
	}
}

/**
 * Smarty オブジェクトを取得
 * @return Smarty
 */
function & getKingyoyaSmarty() {
	static $smarty;
	if ($smarty) return $smarty;
	$smarty = new Smarty();
	return $smarty;
}