<?php
/**
* HTML template
* (C)Hiroshi Ayukawa.All rights reserved.
* License:BSD
* 2002.03.28   Ver. 1.3.1
* @access public
**/

class HtmlTemplate{
/**
* Interprit a file on memory and output the result.
* @access public
* @param String $file Filename
* @param Array $data a tree-like array
* @return void
*/
	function t_Include($file,$data){
		$val=$data;
		$all=fread(fopen($file,"rb"),filesize($file));
		$code=HtmlTemplate::_parsesrc($all);
		echo eval('?>' .$code);
	}
/**
* Interprit a file on memory and require the result as a string.
* @access public
* @param String $file Filename
* @param Array $data a tree-like array
* @return void
*/
	function t_Buffer($file,$data){
		$val=$data;
		$all=fread(fopen($file,"rb"),filesize($file));
		$code=HtmlTemplate::_parsesrc($all);
		ob_start();
		echo eval('?>' .$code);
		$ans=ob_get_contents();
		ob_end_clean();
		return $ans;
	}
	

/**
* Includes HTML file .
* @access public
* @param String $file filename
* @param Array $data tree-like array
* @param Array $dirname directoryname for .tmp file
* @return void
*/
	function t_Include_file($file,$data,$dirname="./"){
		HtmlTemplate::_htmltmp2($file,$data,$dirname);
	}


/**
* Require HTML file as a string.
* @access public
* @param String $file filename
* @param Array $data tree-like array
* @param Array $dirname directoryname for .tmp file
* @return String
*/
	function t_Buffer_file($file,$data,$dirname="./"){
		flush();
		ob_start();
		HtmlTemplate::_htmltmp2($file,$data,$dirname);
		$ans=ob_get_contents();
		ob_end_clean();
		return $ans;
	}

/**
* Compare the timestamp between .tmp & .html
* bug fixed by STam on 04/29/2002.thanks.
* @access private
* @param String $file filename
* @param Array $data tree-like array
* @param Array $dirname directoryname for .tmp file
* @return void
*/
	function _htmltmp2($file,$data,$dirname){
		$val=$data;
		$t=$file.".tmp";
		if(substr($dirname,0,1)!="/") $dirname="/".$dirname;
		if(substr($dirname,-1)!="/") $dirname.="/";
		$tmpfile=dirname($t).$dirname.basename($t);
		if(!file_exists(dirname($t).$dirname)) htmltemplate::_ForceDirectories(dirname($t).$dirname);
		if(file_exists($tmpfile)) {
		if(filemtime($file)>filemtime($tmpfile)) {
			htmltemplate::_compile($file,$dirname);
			include($tmpfile);
		} else {include($tmpfile);}
		} else {
			htmltemplate::_compile($file,$dirname);
			include($tmpfile);
		}
	}

/**
* Create directories for .tmp files
* @access private
* @param String $path path name
* @param Array $mode mode of the dir.
* @return void
*/
	function _ForceDirectories($path,$mode=0777) {
		if ( strlen($path) == 0) return 0;
		//
		if ( strlen($path) < 3) return 1; // avoid 'xyz:\' problem.
		elseif ( is_dir($path)) return 1; // avoid 'xyz:\' problem.
		elseif   ( dirname($path) == $path) return 1; // avoid 'xyz:\' problem.
		return ( HtmlTemplate::_ForceDirectories(dirname($path),$mode) and @mkdir( $path, $mode));
	}


/**
* Create .tmp file
* @access private
* @param String $tmpfile filename
* @return void
*/

	function _compile($tmpfile,$dirname="./"){
		$tm=split("/",$tmpfile);
		if(file_exists($tmpfile)){

			$newfile=$dirname.$tmpfile.".tmp";
			$all=fread(fopen($tmpfile,"rb"),filesize($tmpfile));
			$fp=fopen($newfile,"w");
			fwrite($fp,HtmlTemplate::_parsesrc($all));
			ftruncate($fp,ftell($fp));
			fclose($fp);
		}
	}

/**
* Parse HTML strings.
* @access private
* @param String $str HTML strings.
* @return String
*/
	function _parsesrc($str){
		#translate \r\n to \n
		$str=str_replace("\r\n","\n",$str);

		$kuri=array();
		$str2=$str;
		$acc=1;

		# interpretation of <!--{each }--><!--{/each}-->
		$kuri=array();
		preg_match_all("/\[loop ([^\]]+)\]/i",$str2,$k,PREG_SET_ORDER);
		while(list(,$x)=each($k)){
			$kuri[]=$x[1];
		}
		while(list(,$m)=each($kuri)){
			$ar=split("/",$m);
			$ind="";
			$rui=array();
			$mattan=0;
			$loopid1=1;
			while(list(,$x)=each($ar)){
				array_push($rui,$x);
				if($mattan!=count($ar)-1 && in_array(join("/",$rui),$kuri)) {$ind.="[\"$x\"][\$cnt[\"".join("_",$rui)."\"]]";}
				else {$ind.="[\"$x\"]";}
				$mattan++;
			}
			$n=str_replace("/","_",$m);
			$str2=str_replace("[loop $m]",
			"<?php
			for(\$cnt[\"$n\"]=0;\$cnt[\"$n\"]<count(\$val$ind);\$cnt[\"$n\"]++){
				?>",
			$str2);
		}
		reset($kuri);

		$str2=str_replace("[/loop]",
		"<?php
		}
		?>",$str2);

		# interpretation of {}
		while(preg_match('/\{\$([^\}]+)\}/',$str2,$match)){
			$m=$match[1];
			$ar=split("/",$m);
			$ind="";
			$rui=array();
			foreach($ar as $x){
				array_push($rui,$x);
				if(in_array(join("/",$rui),$kuri)){ $ind.="[\"".$x."\"][\$cnt[\"".join("_",$rui)."\"]]";}
				else {$ind.="[\"".$x."\"]";}
			}

			$str2=str_replace("{\$$m}",
			"<?php print \$val$ind; ?>",
			$str2);
		}

		# interpretation of <!--{def }--><!--{/def}-->
		while(preg_match('/\[if ([^\]]+)\]/i',$str2,$match)){
			$m=$match[1];
			$ar=split("/",$m);
			$ind="";
			$rui=array();
			$mattan=0;
			foreach($ar as $x){
				array_push($rui,$x);
				if($mattan!=count($ar)-1 && in_array(join("/",$rui),$kuri)) {$ind.="[\"".$x."\"][\$cnt[\"".join("_",$rui)."\"]]";}
				else {$ind.="[\"".$x."\"]";}
				$mattan++;
			}
			$str2=str_replace("[if $m]",
			"<?php
			if((gettype(\$val$ind)!='array' && \$val$ind!=\"\") or (gettype(\$val$ind)=='array' && count(\$val$ind)>0)){
				?>",
			$str2);
		}
		$str2=str_replace("[/if]",
		"<?php
		}
		?>",
		$str2);


		return $str2;
	}

}

?>