/sop/2.0beta1/ThinkPHP/Mode/Compat/View.class.php

<?php

// +----------------------------------------------------------------------

// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]

// +----------------------------------------------------------------------

// | Copyright (c) 2009 http://thinkphp.cn All rights reserved.

// +----------------------------------------------------------------------

// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )

// +----------------------------------------------------------------------

// | Author: liu21st <liu21st@gmail.com>

// +----------------------------------------------------------------------

// $Id$



/**

 +------------------------------------------------------------------------------

 * ThinkPHP ????

 * ?????????

 +------------------------------------------------------------------------------

 * @category   Think

 * @package  Think

 * @subpackage  Core

 * @author liu21st <liu21st@gmail.com>

 * @version  $Id$

 +------------------------------------------------------------------------------

 */

class View extends Base

{

    /**

     +----------------------------------------------------------

     * ????????????????????????

     +----------------------------------------------------------

     * @var array

     * @access protected

     +----------------------------------------------------------

     */

    protected $tVar        =  array();



    protected $trace       = array();



    // ??????

    protected $template =  null;



   /**

     +----------------------------------------------------------

     * ????????

     +----------------------------------------------------------

     * @access public

     +----------------------------------------------------------

     * @return View

     +----------------------------------------------------------

     */

    static function getInstance() {

        return get_instance_of(__CLASS__);

    }



    // ????

    public function __construct() {

        $this->template   =  Template::getInstance();

    }



    /**

     +----------------------------------------------------------

     * ??????

     +----------------------------------------------------------

     * @access public

     +----------------------------------------------------------

     * @param mixed $name

     * @param mixed $value

     +----------------------------------------------------------

     */

    public function assign($name,$value=''){

        if(is_array($name)) {

            $this->tVar   =  array_merge($this->tVar,$name);

        }elseif(is_object($name)){

            foreach($name as $key =>$val)

            {

                $this->tVar[$key] = $val;

            }

        }else {

            $this->tVar[$name] = $value;

        }

    }



    /**

     +----------------------------------------------------------

     * Trace????

     +----------------------------------------------------------

     * @access public

     +----------------------------------------------------------

     * @param mixed $name

     * @param mixed $value

     +----------------------------------------------------------

     */

    public function trace($title,$value='') {

        if(is_array($title)) {

            $this->trace   =  array_merge($this->trace,$title);

        }else {

            $this->trace[$title] = $value;

        }

    }



    /**

     +----------------------------------------------------------

     * ????????

     +----------------------------------------------------------

     * @access public

     +----------------------------------------------------------

     * @param string $name

     +----------------------------------------------------------

     * @return mixed

     +----------------------------------------------------------

     * @throws ThinkExecption

     +----------------------------------------------------------

     */

    public function get($name){

        if(isset($this->tVar[$name])) {

            return $this->tVar[$name];

        }else {

            return false;

        }

    }



    public function __set($name,$value) {

        $this->assign($name,$value);

    }



    public function __get($name) {

        return $this->get($name);

    }



    protected function _init() {

        $GLOBALS['_viewStartTime'] = microtime(TRUE);

    }



    /**

     +----------------------------------------------------------

     * ????????? ????????

     +----------------------------------------------------------

     * @access public

     +----------------------------------------------------------

     * @param string $templateFile ????? ???????

     * @param string $charset ???????

     * @param string $contentType ????

     * @param string $varPrefix ??????

     +----------------------------------------------------------

     * @return mixed

     +----------------------------------------------------------

     * @throws ThinkExecption

     +----------------------------------------------------------

     */

    public function display($templateFile='',$charset='',$contentType='text/html',$varPrefix='')

    {

        $this->fetch($templateFile,$charset,$contentType,$varPrefix,true);

    }



    /**

     +----------------------------------------------------------

     * ?????????

     +----------------------------------------------------------

     * @access public

     +----------------------------------------------------------

     * @param string $templateFile ????? ???????

     * @param string $charset ???????

     * @param string $contentType ????

     * @param string $varPrefix ??????

     * @param integer $mode 0 ?? 1 ?? 2 ??

     +----------------------------------------------------------

     * @return mixed

     +----------------------------------------------------------

     */

    public function fetch($templateFile='',$charset='',$contentType='text/html',$varPrefix='',$display=false,$htmlCache=true)

    {

        $this->_init();

        if(null===$templateFile) {

            // ??null?????????????????

            return ;

        }

        if('layout::'==substr($templateFile,0,8)) {

            $this->layout(substr($templateFile,8));

            return ;

        }

        if(empty($charset)) {

            $charset = C('OUTPUT_CHARSET');

        }

        // ??????

        header("Content-Type:".$contentType."; charset=".$charset);

        header("Cache-control: private");  //??????



        // ??????

        ini_set('output_buffering',4096);

        $zlibCompress   =  ini_get('zlib.output_compression');

        if(empty($zlibCompress) && function_exists('ini_set')) {

            ini_set( 'zlib.output_compression', 1 );

        }

        $pluginOn   =  C('THINK_PLUGIN_ON');

        if($pluginOn) {

            // ???????

            apply_filter('ob_init');

        }

        //????

        ob_start();

        ob_implicit_flush(0);

        if($pluginOn) {

            // ??????????

            apply_filter('ob_start');

            // ???????

            $templateFile = apply_filter('template_file',$templateFile);

        }



        if(!file_exists_case($templateFile)){

            // ????????

            $templateFile   = $this->parseTemplateFile($templateFile);

        }



        if($pluginOn) {

            // ??????

            $this->tVar = apply_filter('template_var',$this->tVar);

        }

        // ?????????

        $this->template->fetch($templateFile,$this->tVar,$charset,$varPrefix);

        // ???????

        $content = ob_get_clean();

        // ????????

        $content = $this->parseTemplatePath($content);

        // ??????

        $content = auto_charset($content,C('TEMPLATE_CHARSET'),$charset);

        if($pluginOn) {

            // ????

            $content = apply_filter('ob_content',$content);

        }

        // ??????

        return $this->output($content,$display,$charset,$htmlCache);

    }



    /**

     +----------------------------------------------------------

     * ??????

     +----------------------------------------------------------

     * @access public

     +----------------------------------------------------------

     * @param string $layout ??????????

     * @param string $charset ????

     * @param string $contentType ????

     * @param string $varPrefix ??????

     * @param string $display ??????

     +----------------------------------------------------------

     * @return mixed

     +----------------------------------------------------------

     */

    public function layout($layoutFile='',$charset='',$contentType='text/html',$varPrefix='',$display=true)

    {

        $this->_init();

        if(empty($layoutFile)) {

            // ???????????????

            $layoutFile  =  C('DEFAULT_LAYOUT');

        }

        if(false === strpos($layoutFile,':')) {

            // ????layout???????

            // ?????????? ?? Public:index

            $layoutFile  =  'Layout:'.$layoutFile;

        }

        // ????????

        $content    =   $this->fetch($layoutFile,$charset,$contentType,$varPrefix,false,false);

        // ?????????

        $find = preg_match_all('/<!-- layout::(.+?)::(.+?) -->/is',$content,$matches);

        if($find) {

            for ($i=0; $i< $find; $i++) {

                // ???????????????

                if(0===strpos($matches[1][$i],'$')){

                    // ????

                    $matches[1][$i]  =  $this->get(substr($matches[1][$i],1));

                }

                if(0 != $matches[2][$i] ) {

                    // ???????

                    // ??????????

                    $guid =  md5($matches[1][$i]);

                    $cache  =  S($guid);

                    if($cache) {

                        $layoutContent = $cache;

                    }else{

                        $layoutContent = $this->fetch($matches[1][$i],$charset,$contentType,$varPrefix,false,false);

                        S($guid,$layoutContent,$matches[2][$i]);

                    }

                }else{

                    $layoutContent = $this->fetch($matches[1][$i],$charset,$contentType,$varPrefix,false,false);

                }

                $content    =   str_replace($matches[0][$i],$layoutContent,$content);

            }

        }



        // ??????

        return $this->output($content,$display,$charset);

    }



    /**

     +----------------------------------------------------------

     * ????

     +----------------------------------------------------------

     * @access public

     +----------------------------------------------------------

     * @param string $content ????

     * @param boolean $display ??????

     * @param string $charset ????

     +----------------------------------------------------------

     * @return mixed

     +----------------------------------------------------------

     */

    protected function output($content,$display,$charset,$htmlCache=true) {

        if(C('HTML_CACHE_ON') && $htmlCache) {

            // ??????

            HtmlCache::writeHTMLCache($content);

        }



        if($display) {

            $showTime   =   $this->showTime();

            echo $content;

            if(C('SHOW_RUN_TIME')) {

                echo '<div  id="think_run_time" class="think_run_time">'.$showTime.'</div>';

            }

            $this->showTrace($showTime,$charset);

            return null;

        }else {

            return $content;

        }

    }



    /**

     +----------------------------------------------------------

     * ????????????????

     +----------------------------------------------------------

     * @access private

     +----------------------------------------------------------

     * @param string $content ????

     +----------------------------------------------------------

     * @return string

     +----------------------------------------------------------

     */

    private function parseTemplatePath($content) {

        // ??????

        //??????

        $content = str_replace(

            array('../Public',   '__PUBLIC__',  '__TMPL__', '__ROOT__',  '__APP__',  '__URL__',   '__ACTION__', '__SELF__'),

            array(APP_PUBLIC_URL,WEB_PUBLIC_URL,APP_TMPL_URL,__ROOT__,__APP__,__URL__,__ACTION__,__SELF__),

            $content);

        if(C('THINK_PLUGIN_ON')) {

            // ????????

            $content =  apply_filter('tmpl_replace',$content);

        }

        return $content;

    }



    /**

     +----------------------------------------------------------

     * ????????

     +----------------------------------------------------------

     * @access private

     +----------------------------------------------------------

     * @param string $templateFile ???

     +----------------------------------------------------------

     * @return string

     +----------------------------------------------------------

     * @throws ThinkExecption

     +----------------------------------------------------------

     */

    private function parseTemplateFile($templateFile) {

        if(''==$templateFile) {

            // ????????? ????????

            $templateFile = C('TMPL_FILE_NAME');

        }elseif(strpos($templateFile,'#')){

            // ?????????????? ?? User#Info:add

            $templateFile   =   LIB_PATH.str_replace(array('#',':'),array('/'.TMPL_DIR.'/'.TEMPLATE_NAME.'/','/'),$templateFile).C('TEMPLATE_SUFFIX');

        }elseif(strpos($templateFile,'@')){

            // ??????????? ???????? ?? blue@User:add

            $templateFile   =   TMPL_PATH.str_replace(array('@',':'),'/',$templateFile).C('TEMPLATE_SUFFIX');

        }elseif(strpos($templateFile,':')){

            // ???????????

            $templateFile   =   TEMPLATE_PATH.'/'.str_replace(':','/',$templateFile).C('TEMPLATE_SUFFIX');

        }elseif(!is_file($templateFile))    {

            // ?????????????

            $templateFile =  dirname(C('TMPL_FILE_NAME')).'/'.$templateFile.C('TEMPLATE_SUFFIX');

        }

        if(!file_exists_case($templateFile)){

            throw_exception(L('_TEMPLATE_NOT_EXIST_').'['.$templateFile.']');

        }

        return $templateFile;

    }



    /**

     +----------------------------------------------------------

     * ????????????????????????

     +----------------------------------------------------------

     * @access protected

     +----------------------------------------------------------

     * @return string

     +----------------------------------------------------------

     */

    protected function showTime() {

        if(C('SHOW_RUN_TIME')) {

            // ??????

            $startTime =  $GLOBALS['_viewStartTime'];

            $endTime = microtime(TRUE);

            $total_run_time =   number_format(($endTime - $GLOBALS['_beginTime']), 3);

            $showTime   =   'Process: '.$total_run_time.'s ';

            if(C('SHOW_ADV_TIME')) {

                // ????????

                $_load_time =   number_format(($GLOBALS['_loadTime'] -$GLOBALS['_beginTime'] ), 3);

                $_init_time =   number_format(($GLOBALS['_initTime'] -$GLOBALS['_loadTime'] ), 3);

                $_exec_time =   number_format(($startTime  -$GLOBALS['_initTime'] ), 3);

                $_parse_time    =   number_format(($endTime - $startTime), 3);

                $showTime .= '( Load:'.$_load_time.'s Init:'.$_init_time.'s Exec:'.$_exec_time.'s Template:'.$_parse_time.'s )';

            }

            if(C('SHOW_DB_TIMES') && class_exists('Db',false) ) {

                // ?????????

                $db =   Db::getInstance();

                $showTime .= ' | DB :'.$db->Q().' queries '.$db->W().' writes ';

            }

            if(C('SHOW_CACHE_TIMES') && class_exists('Cache',false)) {

                // ????????

                $cache  =   Cache::getInstance();

                $showTime .= ' | Cache :'.$cache->Q().' gets '.$cache->W().' writes ';

            }

            if(MEMORY_LIMIT_ON && C('SHOW_USE_MEM')) {

                // ??????

                $startMem    =  array_sum(explode(' ', $GLOBALS['_startUseMems']));

                $endMem     =  array_sum(explode(' ', memory_get_usage()));

                $showTime .= ' | UseMem:'. number_format(($endMem - $startMem)/1024).' kb';

            }

            return $showTime;

        }

    }



    /**

     +----------------------------------------------------------

     * ????Trace??

     +----------------------------------------------------------

     * @access protected

     +----------------------------------------------------------

     * @param string $showTime ??????

     * @param string $charset ???????

     * @param boolean $compiler ??????

     +----------------------------------------------------------

     */

    protected function showTrace($showTime,$charset){

        if(C('SHOW_PAGE_TRACE')) {

            // ????Trace?? ??Trace????

            // ???? return array('????'=>$_SERVER['PHP_SELF'],'????'=>$_SERVER['SERVER_PROTOCOL'],...);

            $traceFile  =   CONFIG_PATH.'trace.php';

             if(file_exists_case($traceFile)) {

                $_trace =   include $traceFile;

             }else{

                $_trace =   array();

             }

             // ????????

            $this->trace('????',    $_SERVER['PHP_SELF']);

            $this->trace('????',    $_SERVER['REQUEST_METHOD']);

            $this->trace('????',    $_SERVER['SERVER_PROTOCOL']);

            $this->trace('????',    date('Y-m-d H:i:s',$_SERVER['REQUEST_TIME']));

            $this->trace('????',    $_SERVER['HTTP_USER_AGENT']);

            $this->trace('??ID'   ,   session_id());

            $this->trace('????',    $showTime);

            $this->trace('????',    $charset);

            $this->trace('????',    count(get_included_files()));

            $log    =   Log::$log;

            $this->trace('????',count($log)?count($log).'???<br/>'.implode('<br/>',$log):'?????');

            $_trace =   array_merge($_trace,$this->trace);

            $_trace = auto_charset($_trace,'utf-8',C('OUTPUT_CHARSET'));

            $_title =   auto_charset('??Trace??','utf-8',C('OUTPUT_CHARSET'));

            // ??Trace????

            include THINK_PATH.'/Tpl/PageTrace.tpl.php';

        }

    }

}//

?>