晒一上小弟我的模板引擎，欢迎拍砖

程序员文章站 2024-02-17 11:45:58

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晒一下我的模板引擎，欢迎拍砖

本帖最后由 xuzuning 于 2012-05-23 15:02:49 编辑别不多说，直接上代码
template.php（3.55K）

class template {
  protected $data = array();
  protected $drillmode = 0;
  function __construct($s) {
	if(file_exists($s)) $s = file_get_contents($s);
	$this->find_var($s);
	$this->data = explode('	$this->data[0] = '';
	$this->find_dsn();
  }
  //新增 run 方法，
  function run() {
	//include "data://," . join('data);
	eval('?>' . join('data));
  }
  function find($pattern) {
	$this->pattern = $pattern;
	return array_filter($this->data, array($this, 'find_callback'));
  }
  private function find_dsn() {
	foreach($this->find("#\bdsn\b#i") as $k=>$v) {
		$t = $this->find_tag($tag = strtok($v, ' '), $k);
		end($t);
		$dsn[] = array( $k, key($t) );
	}
	if($this->drillmode) {
		foreach($this->find("#\bdrill\b#i") as $k=>$t) {
			foreach($dsn as $i=>$v) if($k  $v[0]) $t = $i;
			$drill[] = $dsn[$t];
			unset($dsn[$t]);
		}
	}
	foreach($dsn as $v) {
		list($start, $end) = $v;
		preg_match('/\bdsn\s*=\s*([^\s>]+)/i', $this->data[$start], $reg);
		$this->data[$start] = str_replace(' '.$reg[0], '', $this->data[$start]);

		$m = explode(',', trim($reg[1], '\'"')) + array(0, 0, '');
		$code_start = "?php if(isset(\$_var))\$_st[]=\$_var;foreach((isset(\$_var['$m[0]'])?\$_var['$m[0]']:\$this->$m[0]('$m[1]','$m[2]')) as \$_key=>\$_var){?>";
		$code_end = "?php }\$_var=array_pop(\$_st);?>";
		switch($m[1]) {
			case 0:
				$t = explode('>', $this->data[$start]);
				$t[1] = "				$this->data[$start] = join('>', $t);
				$this->data[$end] = "$code_enddata[$end];
				break;
			case 1:
				$this->data[$end] .= "				$this->data[$start] = "$code_startdata[$start];
				break;
			default:
				$n = round(100/$m[1]);
				$this->data[$end] .= "				$this->data[$start] = "$code_start

data[$start];
break;
}
}
if($this->drillmode) foreach($drill as $v) {
list($start, $end) = $v;
preg_match('/\bdsn\s*=\s*([^\s>]+)/i', $this->data[$start], $reg);
$this->data[$start] = str_replace(' '.$reg[0], '', $this->data[$start]);
$m = explode(',', trim($reg[1], '\'"')) + array(0, 0, '');
$code = '';
for($i=$start; $i $code .= 'data[$i];
if($i > $start) unset($this->data[$i]);
}
$code = addslashes($code);