View.class.php | searchcode

/code/core/sociax/View.class.php

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PHP | 476 lines | 229 code | 19 blank | 228 comment | 38 complexity | ed77e0e5fe63c5f5b7f509fe753e5189 MD5 | raw file
Possible License(s): LGPL-2.1

<?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 Think

{

    protected $tVar        =  array(); // ??????

    protected $trace       = array();  // ??trace??

    protected $templateFile  = '';      // ?????



    /**

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

     * ??????

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

     * @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

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

     */

    public function get($name){

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

            return $this->tVar[$name];

        else

            return false;

    }



    /**

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

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

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

     * @access public

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

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

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

     * @param string $contentType ????

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

     * @return mixed

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

     */

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

    {

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

    }



    /**

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

     * ??????

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

     * @access protected

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

     * @param string $charset ????

     * @param string $contentType ????

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

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

     * @return mixed

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

     */

    protected function layout($content,$charset='',$contentType='text/html')

    {

        if(false !== strpos($content,'<!-- layout')) {

            // ?????????

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

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

                        }

                    }else{

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

                    }

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

                }

            }

        }

        return $content;

    }



    /**

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

     * ?????????

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

     * @access public

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

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

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

     * @param string $contentType ????

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

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

     * @return mixed

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

     */

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

    {

		//??????ts

		global	$ts;

		$this->tVar['ts'] = $ts;

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

        if(null===$templateFile)

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

            return ;

        if(empty($charset))  $charset = C('DEFAULT_CHARSET');

        // ??????

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

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

        //????

        ob_start();

        ob_implicit_flush(0);



        if(!file_exists_case($templateFile))

            // ????????

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



        $engine  = strtolower(C('TMPL_ENGINE_TYPE'));

        if('php'==$engine) {

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

            extract($this->tVar, EXTR_OVERWRITE);

            // ????PHP??

            include $templateFile;

        }elseif('think'==$engine && $this->checkCache($templateFile)) {

            // ???Think?????????? ???????????

            extract($this->tVar, EXTR_OVERWRITE);

            //????????

            include C('CACHE_PATH').md5($templateFile).C('TMPL_CACHFILE_SUFFIX');

        }else{

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

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

            $className   = 'Template'.ucwords($engine);

            require_cache(THINK_PATH.'/Util/Template/'.$className.'.class.php');

            $tpl   =  new $className;

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

        }

        $this->templateFile   =  $templateFile;

        // ???????

        $content = ob_get_clean();

        // ??????

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

        // ??????

        $content = $this->layout($content,$charset,$contentType);

        // ??????

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

    }



    /**

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

     * ??????????

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

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

     * @access public

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

     * @param string $tmplTemplateFile  ?????

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

     * @return boolen

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

     */

    protected function checkCache($tmplTemplateFile)

    {

        if (!C('TMPL_CACHE_ON')) // ?????????

            return false;

        $tmplCacheFile = C('CACHE_PATH').md5($tmplTemplateFile).C('TMPL_CACHFILE_SUFFIX');

        if(!is_file($tmplCacheFile)){

            return false;

        }elseif (filemtime($tmplTemplateFile) > filemtime($tmplCacheFile)) {

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

            return false;

        }elseif (C('TMPL_CACHE_TIME') != -1 && time() > filemtime($tmplCacheFile)+C('TMPL_CACHE_TIME')) {

            // ????????

            return false;

        }

        //????

        return true;

    }



    /**

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

     *  ??????

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

     * @access public

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

     * @htmlfile ?????????

     * @htmlpath ?????????

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

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

     * @param string $charset ????

     * @param string $contentType ????

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

     * @return string

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

     */

    public function buildHtml($htmlfile,$htmlpath='',$templateFile='',$charset='',$contentType='text/html') {

        $content = $this->fetch($templateFile,$charset,$contentType);

        $htmlpath   = !empty($htmlpath)?$htmlpath:HTML_PATH;

        $htmlfile =  $htmlpath.$htmlfile.C('HTML_FILE_SUFFIX');

        if(!is_dir(dirname($htmlfile)))

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

            mk_dir(dirname($htmlfile));

        if(false === file_put_contents($htmlfile,$content))

            throw_exception(L('_CACHE_WRITE_ERROR_'));

        return $content;

    }



    /**

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

     * ????

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

     * @access protected

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

     * @param string $content ????

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

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

     * @return mixed

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

     */

    protected function output($content,$display) {

        if(C('HTML_CACHE_ON'))  HtmlCache::writeHTMLCache($content);

        if($display) {

            if(C('SHOW_RUN_TIME')){

                $runtime = '<div  id="think_run_time" class="think_run_time">'.$this->showTime().'</div>';

                 if(strpos($content,'{__RUNTIME__}'))

                     $content   =  str_replace('{__RUNTIME__}',$runtime,$content);

                 else

                     $content   .=  $runtime;

            }

            echo $content;

            if(C('SHOW_PAGE_TRACE'))   $this->showTrace();

            return null;

        }else {

            return $content;

        }

    }



    /**

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

     * ??????

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

     * @access protected

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

     * @param string $content ????

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

     * @return string

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

     */

    protected function templateContentReplace($content) {

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

        $replace =  array(

            '../Public'		=>	APP_PUBLIC_PATH,// ??????

            '__PUBLIC__'	=>	WEB_PUBLIC_PATH,// ??????

            '__TMPL__'		=>	APP_TMPL_PATH,  // ??????

            '__ROOT__'		=>	__ROOT__,       // ??????

            '__APP__'		=>	__APP__,        // ??????

            '__URL__'		=>	__URL__,        // ??????

            '__ACTION__'	=>	__ACTION__,     // ??????

            '__SELF__'		=>	__SELF__,       // ??????

			'__THEME__'		=>	__THEME__,		// ??????

			'__UPLOAD__'	=>	__UPLOAD__,		// ??????

        );

        if(C('TOKEN_ON')) {

            if(strpos($content,'{__TOKEN__}')) {

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

                $replace['{__TOKEN__}'] =  $this->buildFormToken();

            }elseif(strpos($content,'{__NOTOKEN__}')){

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

                $replace['{__NOTOKEN__}'] =  '';

            }elseif(preg_match('/<\/form(\s*)>/is',$content,$match)) {

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

                $replace[$match[0]] = $this->buildFormToken().$match[0];

            }

        }

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

        if(is_array(C('TMPL_PARSE_STRING')) )

            $replace =  array_merge($replace,C('TMPL_PARSE_STRING'));

        $content = str_replace(array_keys($replace),array_values($replace),$content);

        return $content;

    }



    /**

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

     * ?????????

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

     * @access private

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

     * @return string

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

     */

    private function buildFormToken() {

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

        $tokenName   = C('TOKEN_NAME');

        $tokenType = C('TOKEN_TYPE');

        $tokenValue = $tokenType(microtime(TRUE));

        $token   =  '<input type="hidden" name="'.$tokenName.'" value="'.$tokenValue.'" />';

        $_SESSION[$tokenName]  =  $tokenValue;

        return $token;

    }



    /**

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

     * ????????

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

     * @access private

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

     * @param string $templateFile ???

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

     * @return string

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

     * @throws ThinkExecption

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

     */

    private function parseTemplateFile($templateFile) {

        if(''==$templateFile) {

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

            $templateFile = C('TMPL_FILE_NAME');

		//2009-06-02??

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

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

            $templateFile   =   str_replace('&','/',$templateFile).C('TMPL_TEMPLATE_SUFFIX');

		//????

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

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

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

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

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

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



        }elseif(!is_file($templateFile))    {

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

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

        }

        if(!file_exists_case($templateFile))

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

        return $templateFile;

    }



    /**

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

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

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

     * @access private

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

     * @return string

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

     */

    private function showTime() {

        // ??????

        $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 private

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

     */

    private function showTrace(){

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

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

        $traceFile  =   CONFIG_PATH.'trace.php';

        $_trace =   is_file($traceFile)? include $traceFile : array();

         // ????????

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

        $this->trace('????',    C('CACHE_PATH').md5($this->templateFile).C('TMPL_CACHFILE_SUFFIX'));

        $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());

        $log    =   Log::$log;

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

        $files =  get_included_files();

        $this->trace('????',    count($files).str_replace("\n",'<br/>',substr(substr(print_r($files,true),7),0,-2)));

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

        // ??Trace????

        include C('TMPL_TRACE_FILE');

    }



}//

?>