SmartyZip，一个Smarty的装载类-PHP源码-php.cn

AdodbZip1.1有更新，更新了下载地址。

SmartyZip，一个Smarty的装载类

// 设定参数
SmartyZip::$zip_url = 'http://www.smarty.net教程/distributions/Smarty-2.6.26.zip'; //［设置项］Smarty的Zip文件下载地址
SmartyZip::$zip_file = sys_get_temp_dir () . preg_replace ( '/^.*/(Smarty-.*.zip)$/i', 'smarty/$1', SmartyZip::$zip_url ); //［设置项］Smarty的Zip文件缓存位置
SmartyZip::$entry_dir = preg_replace ( '/^.*/(Smarty-.*).zip$/i', '$1/libs', SmartyZip::$zip_file );
SmartyZip::$extract_dir = sys_get_temp_dir () . 'smarty/' . SmartyZip::$entry_dir; //［设置项］Smarty程序文件缓存位置
SmartyZip::$template_dir = dirname ( realpath ( __FILE__ ) ); //［设置项］Smarty模板文件所在位置
SmartyZip::$compile_dir = sys_get_temp_dir () . 'smarty/template_c/' . md5 ( SmartyZip::$template_dir ); //［设置项］Smarty编译文件缓存位置

// 注册协议
if (! in_array ( 'SmartyZip', stream_get_wrappers () )) {
stream_wrapper_register ( 'SmartyZip', 'SmartyZip' );
}
// 定义常量
if (! defined ( 'SMARTY_DIR' )) {
define ( 'SMARTY_DIR', 'SmartyZip://' );
}
// 包含程序
require_once (SMARTY_DIR . 'Smarty.class.php');
// $smarty = SmartyZip::init(new Smarty); // ［选择项］引用即定义$smarty
// return SmartyZip::init(new Smarty); // ［选择项］引用即返回$smarty，注意只可引用一次。

/**
* SmartyZip类定义
*/
class SmartyZip {

/**
* Smarty变量
*/
public static $zip_url;
public static $zip_file;
public static $entry_dir;
public static $extract_dir;
public static $template_dir;
public static $compile_dir;

/**
* Stream变量
*/
private $handle;
public $context;

/**
* Smarty函数组
*/

/**
* init
* @param Smarty &$smarty
* @return Smarty
*/
public static function init(&$smarty) {
  $smarty->template_dir = self::$template_dir;
  if (! is_dir ( self::$compile_dir )) {
   if (mkdir ( self::$compile_dir, 0777, true ) === false) {
    header ( 'Content-type: text/html;charset=utf-8' );
    die ( '请创建目录 ' . self::$compile_dir );
   }
  }
  $smarty->compile_dir = self::$compile_dir;
  return $smarty;
}

/**
* Stream函数组
*/

/**
* __construct
*/
public function __construct() {
}

/**
* stream_cast
* @param int $cast_as
* @return resource
*/
public function stream_cast($cast_as) {
  return false;
}

/**
* stream_close
*/
public function stream_close() {
  fclose ( $this->handle );
}

/**
* stream_eof
* @return bool
*/
public function stream_eof() {
  return feof ( $this->handle );
}

/**
* stream_flush
* @return bool
*/
public function stream_flush() {
  return fflush ( $this->handle );
}

/**
* stream_lock
* @param mode $options
* @return bool
*/
public function stream_lock($options) {
  return flock ( $this->handle, $options );
}

/**
* stream_open
* @param string $path
* @param string $mode
* @param int $options
* @param string &$opend_path
* @return bool
*/
public function stream_open($path, $mode, $options, &$opend_path) {
  // 验证文件地址
  if (! preg_match ( '/^.*?://(.*)$/', $path, $matches )) {
   return false;
  }
  $tmp_file = self::$extract_dir . DIRECTORY_SEPARATOR . $matches [1];
  $entry_file = self::$entry_dir . '/' . str_replace ( '\', '/', $matches [1] );
  $zip_file = self::$zip_file;
  // 验证程序文件
  if (! file_exists ( $tmp_file ) || file_exists ( $zip_file ) && filectime ( $tmp_file )    // 下载文件
   if (! file_exists ( $zip_file )) {
    // 目录处理
    if (! is_dir ( dirname ( self::$zip_file ) )) {
     if (mkdir ( dirname ( self::$zip_file ), 0777, true ) === false) {
      header ( 'Content-type: text/html;charset=utf-8' );
      die ( '请创建目录 ' . $zip_dir );
     }
    }
    // 下载文件
    if (! file_exists ( self::$zip_file )) {
     $break = true;
     do {
      $url_arr = parse_url ( self::$zip_url );
      $fp = fsockopen ( $url_arr ['host'], isset ( $url_arr ['port'] ) ? ( int ) $url_arr ['port'] : 80, $errno, $errstr, 10 );
      if ($fp === false) {
       break;
      }
      $out = "GET " . $url_arr ['path'] . " HTTP/1.0rnHost: " . $url_arr ['host'] . " rnConnection: closernrn";
      fputs ( $fp, $out );
      if (feof ( $fp )) {
       break;
      }
      $buffer = fgets ( $fp, 1024 );
      if (! preg_match ( '/^HTTP/1.d 200 /i', $buffer )) {
       break;
      }
      $content_length = false;
      $content_start = false;
      while ( ! feof ( $fp ) ) {
       $buffer = fgets ( $fp, 1024 );
       if ($buffer === "rn") {
        $content_start = true;
        break;
       }
       if (preg_match ( '/^Content-Length:s*(d+)/i', $buffer, $matches )) {
        $content_length = ( int ) $matches [1];
       }
      }
      if ($content_length === false || $content_start === false) {
       break;
      }
      $content = stream_get_contents ( $fp );
      if ($content === false) {
       break;
      }
      $result = file_put_contents ( self::$zip_file, $content );
      unset ( $content );
      if ($result === false) {
       break;
      }
      fclose ( $fp );
     } while ( $break = false );
     if ($break) {
      header ( 'Content-type: text/html;charset=utf-8' );
      die ( '请下载文件 ' . self::$zip_url . ' 保存为 ' . self::$zip_file );
     }
    }
   }
   // 创建目录
   $tmp_dir = dirname ( $tmp_file );
   if (! is_dir ( $tmp_dir )) {
    if (mkdir ( $tmp_dir, 0777, true ) === false) {
     header ( 'Content-type: text/html;charset=utf-8' );
     die ( '请创建目录 ' . $tmp_dir );
    }
   }
   // 打开压缩文件
   $zip = zip_open ( $zip_file );
   if (! is_resource ( $zip )) {
    return false;
   }
   // 寻找解压文件
   do {
    $entry = zip_read ( $zip );
    if (! is_resource ( $entry )) {
     return false;
    }
    if (zip_entry_name ( $entry ) == $entry_file) {
     break;
    }
   } while ( true );
   // 转存压缩文件
   zip_entry_open ( $zip, $entry );
   file_put_contents ( $tmp_file, zip_entry_read ( $entry, zip_entry_filesize ( $entry ) ) );
   zip_entry_close ( $entry );
   zip_close ( $zip );
  }
  // 打开文件
  $this->handle = fopen ( $tmp_file, $mode );
  if (! is_resource ( $this->handle )) {
   return false;
  }
  return true;
}

/**
* stream_read
* @param int $count
* @return string
*/
public function stream_read($count) {
  return fread ( $this->handle, $count );
}

/**
* stream_seek
* @param int $offset
* @param int $whence=SEEK_SET
* @return bool
*/
public function stream_seek($offset, $whence = SEEK_SET) {
  return fseek ( $this->handle, $offset, $whence );
}

/**
* stream_set_option
* @param int $option
* @param int $arg1
* @param int $arg2
* @return bool
*/
public function stream_set_option($option, $arg1, $arg2) {
  return false;
}

/**
* stream_stat
* @return array
*/
public function stream_stat() {
  return fstat ( $this->handle );
}

/**
* stream_tell
* @return int
*/
public function stream_tell() {
  return ftell ( $this->handle );
}

/**
* stream_write
* @param string $data
* @return int
*/
public function stream_write($data) {
  return fwrite ( $this->handle, $data );
}

/**
* url_stat
* @param string $path
* @param int $flag
* @return array
*/
public function url_stat($path, $flag) {
  if (! preg_match ( '/^.*?://(.*)$/', $path, $matches )) {
   return false;
  }
  $tmp_file = self::$extract_dir . DIRECTORY_SEPARATOR . $matches [1];
  if (file_exists ( $tmp_file )) {
   if ($flag & STREAM_URL_STAT_LINK) {
    return lstat ( $tmp_file );
   } else {
    return stat ( $tmp_file );
   }
  }
  if ($flag & STREAM_URL_STAT_QUIET) {
   $file_stat = lstat ( __FILE__ );
   $mode = $file_stat ['mode'];
   // smarty plugins adjust
   if (strpos ( $matches [1], 'plugins' . DIRECTORY_SEPARATOR . 'compiler.' ) !== false) {
    if (strpos ( $matches [1], 'plugins' . DIRECTORY_SEPARATOR . 'compiler.assign.php' ) === false) {
     $mode = 0;
    }
   } elseif (strpos ( $matches [1], 'plugins' . DIRECTORY_SEPARATOR . 'block.' ) !== false) {
    if (strpos ( $matches [1], 'plugins' . DIRECTORY_SEPARATOR . 'block.textformat.php' ) === false) {
     $mode = 0;
    }
   }
   $arr = array ('dev' => 0, 'ino' => 0, 'mode' => $mode, 'nlink' => 0, 'uid' => 0, 'gid' => 0, 'rdev' => 0, 'size' => 0, 'atime' => 0, 'mtime' => 0, 'ctime' => 0, 'blksize' => 0, 'blocks' => 0 );
   return array_merge ( array_values ( $arr ), $arr );
  }
  return false;
}
}
?>