SmartyZip，一个Smarty的装载类-PHP源码

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;
}
}
?>

使用Smarty很简单：

1. 包含SmartyZip文件。
2. 使用SmartyZip::init(new Smarty)自动为smarty对象设置默认路径。

样例代码：view sourceprint?1

2 include_once 'SmartyZip.php';

3 $smarty = SmartyZip::init(new Smarty);

4 $smarty->assign ( 'name', 'SmartyZip' );

5 $smarty->display ( 'test.html' );

6 ?>