template.func.php

中观在线zol的后台管理代码

<?php
/**
 * 模板发布层　版本 V1.0.0
 * 版权所有:中关村在线 技术部
 * 最后修改时间：2008-7-29
 */
if(!defined('IN_GROUP')) {
	exit('Access Denied');
}

function parse_template($file,$dir='') {
	global $language;
	$nest = 5;
	$objdir = ADMIN_ROOT."/cachedata/templates/".$dir;
	
	if (!is_dir($objdir)) {
		mkdir($objdir,0777);
	}
	
	$tplfile = ADMIN_ROOT."/templates/$dir$file.htm";
	$objfile = $objdir.$file.".tpl.php";

	if(!@$fp = fopen($tplfile, 'r')) {
		exit("Current template file './templates/$dir$file.htm' not found or have no access!");
	}

	$template = fread($fp, filesize($tplfile));
	fclose($fp);

	$var_regexp = "((\\\$[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*)(\[[a-zA-Z0-9_\-\.\"\'\[\]\$\x7f-\xff]+\])*)";
	$const_regexp = "([a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*)";

	$template = preg_replace("/([\n\r]+)\t+/s", "\\1", $template);
	$template = preg_replace("/\<\!\-\-\{(.+?)\}\-\-\>/s", "{\\1}", $template);
	$template = preg_replace("/\{lang\s+(.+?)\}/ies", "languagevar('\\1')", $template);
	$template = str_replace("{LF}", "<?=\"\\n\"?>", $template);

	$template = preg_replace("/\{(\\\$[a-zA-Z0-9_\[\]\'\"\$\.\x7f-\xff]+)\}/s", "<?=\\1?>", $template);
	$template = preg_replace("/$var_regexp/es", "addquote('<?=\\1?>')", $template);
	$template = preg_replace("/\<\?\=\<\?\=$var_regexp\?\>\?\>/es", "addquote('<?=\\1?>')", $template);

	$template = "<? if(!defined('IN_GROUP')) exit('Access Denied'); ?>\n$template";
	$template = preg_replace("/[\n\r\t]*\{template\s+([a-z0-9_]+)\s+([a-z0-9_\/]+)\}[\n\r\t]*/is", "\n<? include template('\\1','\\2'); ?>\n", $template);
	$template = preg_replace("/[\n\r\t]*\{template\s+(.+?)\}[\n\r\t]*/is", "\n<? include template(\\1); ?>\n", $template);
	$template = preg_replace("/[\n\r\t]*\{eval\s+(.+?)\}[\n\r\t]*/ies", "stripvtags('\n<? \\1 ?>\n','')", $template);
	$template = preg_replace("/[\n\r\t]*\{echo\s+(.+?)\}[\n\r\t]*/ies", "stripvtags('\n<? echo \\1; ?>\n','')", $template);
	$template = preg_replace("/[\n\r\t]*\{elseif\s+(.+?)\}[\n\r\t]*/ies", "stripvtags('\n<? } elseif(\\1) { ?>\n','')", $template);
	$template = preg_replace("/[\n\r\t]*\{else\}[\n\r\t]*/is", "\n<? } else { ?>\n", $template);

	for($i = 0; $i < $nest; $i++) {
		$template = preg_replace("/[\n\r\t]*\{loop\s+(\S+)\s+(\S+)\}[\n\r]*(.+?)[\n\r]*\{\/loop\}[\n\r\t]*/ies", "stripvtags('\n<? if(is_array(\\1)) { foreach(\\1 as \\2) { ?>','\n\\3\n<? } } ?>\n')", $template);
		$template = preg_replace("/[\n\r\t]*\{loop\s+(\S+)\s+(\S+)\s+(\S+)\}[\n\r\t]*(.+?)[\n\r\t]*\{\/loop\}[\n\r\t]*/ies", "stripvtags('\n<? if(is_array(\\1)) { foreach(\\1 as \\2 => \\3) { ?>','\n\\4\n<? } } ?>\n')", $template);
		$template = preg_replace("/[\n\r\t]*\{if\s+(.+?)\}[\n\r]*(.+?)[\n\r]*\{\/if\}[\n\r\t]*/ies", "stripvtags('\n<? if(\\1) { ?>','\n\\2\n<? } ?>\n')", $template);
	}

	$template = preg_replace("/\{$const_regexp\}/s", "<?=\\1?>", $template);
	$template = preg_replace("/ \?\>[\n\r]*\<\? /s", " ", $template);

	if(!@$fp = fopen($objfile, 'w')) {
		exit("Directory './cachedata/templates/' not found or have no access!");
	}

	$template = preg_replace("/\"(http)?[\w\.\/:]+\?[^\"]+?&[^\"]+?\"/e", "transamp('\\0')", $template);
	flock($fp, 2);
	fwrite($fp, $template);
	fclose($fp);
}

function transamp($str) {
	$str = str_replace('&', '&amp;', $str);
	$str = str_replace('&amp;amp;', '&amp;', $str);
	$str = str_replace('\"', '"', $str);
	return $str;
}

function addquote($var) {
	return str_replace("\\\"", "\"", preg_replace("/\[([a-zA-Z0-9_\-\.\x7f-\xff]+)\]/s", "['\\1']", $var));
}

function languagevar($var) {
	if(isset($GLOBALS['lang'][$var])) {
		return $GLOBALS['lang'][$var];
	} else {
		return "!$var!";
	}
}

function stripvtags($expr, $statement) {
	$expr = str_replace("\\\"", "\"", preg_replace("/\<\?\=(\\\$.+?)\?\>/s", "\\1", $expr));
	$statement = str_replace("\\\"", "\"", $statement);
	return $expr.$statement;
}

?>