mirror of
https://gitee.com/fastadminnet/framework.git
synced 2026-07-01 20:52:48 +08:00
759 lines
29 KiB
PHP
759 lines
29 KiB
PHP
<?php
|
|
// +----------------------------------------------------------------------
|
|
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
|
|
// +----------------------------------------------------------------------
|
|
// | Copyright (c) 2006~2015 http://thinkphp.cn All rights reserved.
|
|
// +----------------------------------------------------------------------
|
|
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
|
|
// +----------------------------------------------------------------------
|
|
// | Author: liu21st <liu21st@gmail.com>
|
|
// +----------------------------------------------------------------------
|
|
|
|
namespace think;
|
|
|
|
/**
|
|
* ThinkPHP分离出来的模板引擎
|
|
* 支持XML标签和普通标签的模板解析
|
|
* 编译型模板引擎 支持动态缓存
|
|
*/
|
|
class Template {
|
|
protected $data = []; // 模板变量
|
|
protected $config = [ // 引擎配置
|
|
'tpl_path' => VIEW_PATH, // 模板路径
|
|
'tpl_suffix' => '.html', // 默认模板文件后缀
|
|
'cache_suffix' => '.php', // 默认模板缓存后缀
|
|
'tpl_deny_func_list' => 'echo,exit', // 模板引擎禁用函数
|
|
'tpl_deny_php' => false, // 默认模板引擎是否禁用PHP原生代码
|
|
'tpl_begin' => '{', // 模板引擎普通标签开始标记
|
|
'tpl_end' => '}', // 模板引擎普通标签结束标记
|
|
'strip_space' => false, // 是否去除模板文件里面的html空格与换行
|
|
'tpl_cache' => true, // 是否开启模板编译缓存,设为false则每次都会重新编译
|
|
'compile_type' => 'file', // 模板编译类型
|
|
'cache_path' => CACHE_PATH, // 模板缓存目录
|
|
'cache_prefix' => '', // 模板缓存前缀标识，可以动态改变
|
|
'cache_time' => 0, // 模板缓存有效期 0 为永久，(以数字为值，单位:秒)
|
|
'layout_item' => '{__CONTENT__}', // 布局模板的内容替换标识
|
|
'taglib_begin' => '<', // 标签库标签开始标记
|
|
'taglib_end' => '>', // 标签库标签结束标记
|
|
'taglib_load' => true, // 是否使用内置标签库之外的其它标签库，默认自动检测
|
|
'taglib_build_in' => 'cx', // 内置标签库名称(标签使用不必指定标签库名称),以逗号分隔 注意解析顺序
|
|
'taglib_pre_load' => '', // 需要额外加载的标签库(须指定标签库名称)，多个以逗号分隔
|
|
'display_cache' => false, // 模板渲染缓存
|
|
];
|
|
|
|
private $literal = [];
|
|
private $block = [];
|
|
protected $storage = null;
|
|
|
|
/**
|
|
* 架构函数
|
|
* @access public
|
|
*/
|
|
public function __construct($config=[]){
|
|
if(!empty($config)) {
|
|
$this->config = array_merge($this->config,$config);
|
|
}
|
|
$this->config['taglib_begin'] = $this->stripPreg($this->config['taglib_begin']);
|
|
$this->config['taglib_end'] = $this->stripPreg($this->config['taglib_end']);
|
|
$this->config['tpl_begin'] = $this->stripPreg($this->config['tpl_begin']);
|
|
$this->config['tpl_end'] = $this->stripPreg($this->config['tpl_end']);
|
|
|
|
// 初始化模板编译存储器
|
|
$type = $this->config['compile_type']?$this->config['compile_type']:'File';
|
|
$class = '\\think\\template\\driver\\'.strtolower($type);
|
|
$this->storage = new $class();
|
|
}
|
|
|
|
/**
|
|
* 字符串替换 避免正则混淆
|
|
* @access private
|
|
* @param string $str
|
|
*/
|
|
private function stripPreg($str) {
|
|
return str_replace(
|
|
['{','}','(',')','|','[',']','-','+','*','.','^','?'],
|
|
['\{','\}','\(','\)','\|','\[','\]','\-','\+','\*','\.','\^','\?'],
|
|
$str);
|
|
}
|
|
|
|
/**
|
|
* 模板变量赋值
|
|
* @access public
|
|
* @param mixed $name
|
|
* @param mixed $value
|
|
*/
|
|
public function assign($name,$value=''){
|
|
if(is_array($name)) {
|
|
$this->data = array_merge($this->data,$name);
|
|
}else {
|
|
$this->data[$name] = $value;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 模板引擎参数赋值
|
|
* @access public
|
|
* @param mixed $name
|
|
* @param mixed $value
|
|
*/
|
|
public function __set($name,$value){
|
|
$this->config[$name] = $value;
|
|
}
|
|
|
|
public function config($config){
|
|
$this->config = array_merge($this->config,$config);
|
|
}
|
|
|
|
public function get($name){
|
|
return $this->data[$name];
|
|
}
|
|
|
|
/**
|
|
* 渲染模板文件
|
|
* @access public
|
|
* @param string $template 模板文件
|
|
* @param array $vars 模板变量
|
|
* @param array $config 模板参数
|
|
* @return void
|
|
*/
|
|
public function display($template,$vars=[],$config=[]) {
|
|
if($vars){
|
|
$this->data = $vars;
|
|
}
|
|
if($config){
|
|
$this->config($config);
|
|
}
|
|
$template = $this->parseTemplateFile($template);
|
|
$cacheFile = $this->config['cache_path'].$this->config['cache_prefix'].md5($template).$this->config['cache_suffix'];
|
|
if(!$this->checkCache($template,$cacheFile)) { // 缓存无效
|
|
// 模板编译
|
|
$this->compiler(file_get_contents($template),$cacheFile);
|
|
}
|
|
// 页面缓存
|
|
ob_start();
|
|
ob_implicit_flush(0);
|
|
// 读取编译存储
|
|
$this->storage->read($cacheFile,$this->data);
|
|
// 获取并清空缓存
|
|
$content = ob_get_clean();
|
|
if(!empty($this->config['cache_id']) && $this->config['display_cache']) {
|
|
// 缓存页面输出
|
|
Cache::set($this->config['cache_id'],$content,$this->config['cache_time']);
|
|
}
|
|
echo $content;
|
|
}
|
|
|
|
/**
|
|
* 渲染模板内容
|
|
* @access public
|
|
* @param string $content 模板内容
|
|
* @param array $vars 模板变量
|
|
* @return void
|
|
*/
|
|
public function fetch($content,$vars=[]) {
|
|
if($vars){
|
|
$this->data = $vars;
|
|
}
|
|
$cacheFile = $this->config['cache_path'].$this->config['cache_prefix'].md5($content).$this->config['cache_suffix'];
|
|
if(!$this->checkCache($content,$cacheFile)) { // 缓存无效
|
|
// 模板编译
|
|
$this->compiler($content,$cacheFile);
|
|
}
|
|
// 读取编译存储
|
|
$this->storage->read($cacheFile,$this->data);
|
|
}
|
|
|
|
/**
|
|
* 检查编译缓存是否有效
|
|
* 如果无效则需要重新编译
|
|
* @access private
|
|
* @param string $template 模板文件名
|
|
* @param string $cacheFile 缓存文件名
|
|
* @return boolen
|
|
*/
|
|
private function checkCache($template,$cacheFile) {
|
|
if (!$this->config['tpl_cache']) // 优先对配置设定检测
|
|
return false;
|
|
// 检查编译存储是否有效
|
|
return $this->storage->check($template,$cacheFile,$this->config['cache_time']);
|
|
}
|
|
|
|
public function isCache($cacheId){
|
|
if($cacheId && $this->config['display_cache']) {
|
|
// 缓存页面输出
|
|
return Cache::get($cacheId)?true:false;
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* 编译模板文件内容
|
|
* @access private
|
|
* @param string $content 模板内容
|
|
* @param string $cacheFile 缓存文件名
|
|
* @return void
|
|
*/
|
|
private function compiler($content,$cacheFile) {
|
|
// 模板解析
|
|
$content = $this->parse($content);
|
|
// 还原被替换的Literal标签
|
|
$content = preg_replace_callback('/<!--###literal(\d+)###-->/is', function($matches){
|
|
return $this->restoreLiteral($matches[1]);
|
|
},$content);
|
|
// 添加安全代码
|
|
$content = '<?php if (!defined(\'THINK_PATH\')) exit();?>'.$content;
|
|
if($this->config['strip_space']) {
|
|
/* 去除html空格与换行 */
|
|
$find = ['~>\s+<~','~>(\s+\n|\r)~'];
|
|
$replace = ['><','>'];
|
|
$content = preg_replace($find, $replace, $content);
|
|
}
|
|
// 优化生成的php代码
|
|
$content = str_replace('?><?php','',$content);
|
|
// 编译存储
|
|
$this->storage->write($cacheFile,$content);
|
|
return ;
|
|
}
|
|
|
|
/**
|
|
* 模板解析入口
|
|
* 支持普通标签和TagLib解析 支持自定义标签库
|
|
* @access public
|
|
* @param string $content 要解析的模板内容
|
|
* @return string
|
|
*/
|
|
public function parse($content) {
|
|
// 内容为空不解析
|
|
if(empty($content)) return '';
|
|
$begin = $this->config['taglib_begin'];
|
|
$end = $this->config['taglib_end'];
|
|
// 检查include语法
|
|
$content = $this->parseInclude($content);
|
|
// 检查PHP语法
|
|
$content = $this->parsePhp($content);
|
|
// 首先替换literal标签内容
|
|
$content = preg_replace_callback('/'.$begin.'literal'.$end.'(.*?)'.$begin.'\/literal'.$end.'/is', function($matches){
|
|
return $this->parseLiteral($matches[1]);
|
|
},$content);
|
|
|
|
// 获取需要引入的标签库列表
|
|
// 标签库只需要定义一次，允许引入多个一次
|
|
// 一般放在文件的最前面
|
|
// 格式：<taglib name="html,mytag..." />
|
|
// 当TAGLIB_LOAD配置为true时才会进行检测
|
|
if($this->config['taglib_load']) {
|
|
$tagLibs = $this->getIncludeTagLib($content);
|
|
if(!empty($tagLibs)) {
|
|
// 对导入的TagLib进行解析
|
|
foreach($tagLibs as $tagLibName) {
|
|
$this->parseTagLib($tagLibName,$content);
|
|
}
|
|
}
|
|
}
|
|
// 预先加载的标签库 无需在每个模板中使用taglib标签加载 但必须使用标签库XML前缀
|
|
if($this->config['taglib_pre_load']) {
|
|
$tagLibs = explode(',',$this->config['taglib_pre_load']);
|
|
foreach ($tagLibs as $tag){
|
|
$this->parseTagLib($tag,$content);
|
|
}
|
|
}
|
|
// 内置标签库 无需使用taglib标签导入就可以使用 并且不需使用标签库XML前缀
|
|
$tagLibs = explode(',',$this->config['taglib_build_in']);
|
|
foreach ($tagLibs as $tag){
|
|
$this->parseTagLib($tag,$content,true);
|
|
}
|
|
// 解析普通模板标签 {tagName}
|
|
$content = preg_replace_callback('/('.$this->config['tpl_begin'].')([^\d\s'.$this->config['tpl_begin'].$this->config['tpl_end'].'].+?)('.$this->config['tpl_end'].')/is',function($matches){
|
|
return $this->parseTag($matches[2], $matches[0]);
|
|
},$content);
|
|
return $content;
|
|
}
|
|
|
|
// 检查PHP语法
|
|
private function parsePhp($content) {
|
|
if(ini_get('short_open_tag')){
|
|
// 开启短标签的情况要将<?标签用echo方式输出 否则无法正常输出xml标识
|
|
$content = preg_replace('/(<\?(?!php|=|$))/i', '<?php echo \'\\1\'; ?>'."\n", $content );
|
|
}
|
|
// PHP语法检查
|
|
if($this->config['tpl_deny_php'] && false !== strpos($content,'<?php')) {
|
|
exit('_NOT_ALLOW_PHP_');
|
|
}
|
|
return $content;
|
|
}
|
|
|
|
// 解析模板中的include标签
|
|
private function parseInclude($content) {
|
|
// 解析继承
|
|
$content = $this->parseExtend($content);
|
|
// 解析布局
|
|
$content = $this->parseLayout($content);
|
|
// 读取模板中的include标签
|
|
$find = preg_match_all('/'.$this->config['taglib_begin'].'include\s(.+?)\s*?\/'.$this->config['taglib_end'].'/is',$content,$matches);
|
|
if($find) {
|
|
for($i=0;$i<$find;$i++) {
|
|
$include = $matches[1][$i];
|
|
$array = $this->parseXmlAttrs($include);
|
|
$file = $array['file'];
|
|
unset($array['file']);
|
|
$content = str_replace($matches[0][$i],$this->parseIncludeItem($file,$array),$content);
|
|
}
|
|
}
|
|
return $content;
|
|
}
|
|
|
|
// 解析模板中的布局标签
|
|
private function parseLayout($content) {
|
|
// 读取模板中的布局标签
|
|
$find = preg_match('/'.$this->config['taglib_begin'].'layout\s(.+?)\s*?\/'.$this->config['taglib_end'].'/is',$content,$matches);
|
|
if($find) {
|
|
//替换Layout标签
|
|
$content = str_replace($matches[0],'',$content);
|
|
//解析Layout标签
|
|
$array = $this->parseXmlAttrs($matches[1]);
|
|
// 读取布局模板
|
|
$layoutFile = $this->config['tpl_path'].$array['name'].$this->config['tpl_suffix'];
|
|
$replace = isset($array['replace'])?$array['replace']:$this->config['layout_item'];
|
|
// 替换布局的主体内容
|
|
$content = str_replace($replace,$content,file_get_contents($layoutFile));
|
|
}else{
|
|
$content = str_replace('{__NOLAYOUT__}','',$content);
|
|
}
|
|
return $content;
|
|
}
|
|
|
|
// 解析模板中的extend标签
|
|
private function parseExtend($content) {
|
|
$begin = $this->config['taglib_begin'];
|
|
$end = $this->config['taglib_end'];
|
|
// 读取模板中的继承标签
|
|
$find = preg_match('/'.$begin.'extend\s(.+?)\s*?\/'.$end.'/is',$content,$matches);
|
|
if($find) {
|
|
//替换extend标签
|
|
$content = str_replace($matches[0],'',$content);
|
|
// 记录页面中的block标签
|
|
preg_replace_callback('/'.$begin.'block\sname=(.+?)\s*?'.$end.'(.*?)'.$begin.'\/block'.$end.'/is',function($matches){
|
|
return $this->parseBlock($matches[1],$matches[2]);
|
|
},$content);
|
|
// 读取继承模板
|
|
$array = $this->parseXmlAttrs($matches[1]);
|
|
$content = $this->parseTemplateName($array['name']);
|
|
// 替换block标签
|
|
$content = preg_replace_callback('/'.$begin.'block\sname=(.+?)\s*?'.$end.'(.*?)'.$begin.'\/block'.$end.'/is',function($matches){
|
|
return $this->replaceBlock($matches[1],$matches[2]);
|
|
},$content);
|
|
}else{
|
|
$content = preg_replace_callback('/'.$begin.'block\sname=(.+?)\s*?'.$end.'(.*?)'.$begin.'\/block'.$end.'/is',function($matches){
|
|
return stripslashes($matches[2]);
|
|
},$content);
|
|
}
|
|
return $content;
|
|
}
|
|
|
|
/**
|
|
* 分析XML属性
|
|
* @access private
|
|
* @param string $attrs XML属性字符串
|
|
* @return array
|
|
*/
|
|
private function parseXmlAttrs($attrs) {
|
|
$xml = '<tpl><tag '.$attrs.' /></tpl>';
|
|
$xml = simplexml_load_string($xml);
|
|
if(!$xml)
|
|
exit('_XML_TAG_ERROR_');
|
|
$xml = (array)($xml->tag->attributes());
|
|
$array = array_change_key_case($xml['@attributes']);
|
|
return $array;
|
|
}
|
|
|
|
/**
|
|
* 替换页面中的literal标签
|
|
* @access private
|
|
* @param string $content 模板内容
|
|
* @return string
|
|
*/
|
|
private function parseLiteral($content) {
|
|
if(trim($content)=='') return '';
|
|
$content = stripslashes($content);
|
|
$i = count($this->literal);
|
|
$parseStr = "<!--###literal{$i}###-->";
|
|
$this->literal[$i] = $content;
|
|
return $parseStr;
|
|
}
|
|
|
|
/**
|
|
* 还原被替换的literal标签
|
|
* @access private
|
|
* @param string $tag literal标签序号
|
|
* @return string
|
|
*/
|
|
private function restoreLiteral($tag) {
|
|
// 还原literal标签
|
|
$parseStr = $this->literal[$tag];
|
|
// 销毁literal记录
|
|
unset($this->literal[$tag]);
|
|
return $parseStr;
|
|
}
|
|
|
|
/**
|
|
* 记录当前页面中的block标签
|
|
* @access private
|
|
* @param string $name block名称
|
|
* @param string $content 模板内容
|
|
* @return string
|
|
*/
|
|
private function parseBlock($name,$content) {
|
|
$this->block[$name] = $content;
|
|
return '';
|
|
}
|
|
|
|
/**
|
|
* 替换继承模板中的block标签
|
|
* @access private
|
|
* @param string $name block名称
|
|
* @param string $content 模板内容
|
|
* @return string
|
|
*/
|
|
private function replaceBlock($name,$content) {
|
|
// 替换block标签 没有重新定义则使用原来的
|
|
$replace = isset($this->block[$name])? $this->block[$name] : $content;
|
|
return stripslashes($replace);
|
|
}
|
|
|
|
/**
|
|
* 搜索模板页面中包含的TagLib库
|
|
* 并返回列表
|
|
* @access private
|
|
* @param string $content 模板内容
|
|
* @return array
|
|
*/
|
|
private function getIncludeTagLib(& $content) {
|
|
//搜索是否有TagLib标签
|
|
$find = preg_match('/'.$this->config['taglib_begin'].'taglib\s(.+?)(\s*?)\/'.$this->config['taglib_end'].'\W/is',$content,$matches);
|
|
if($find) {
|
|
//替换TagLib标签
|
|
$content = str_replace($matches[0],'',$content);
|
|
//解析TagLib标签
|
|
$array = $this->parseXmlAttrs($matches[1]);
|
|
return explode(',',$array['name']);
|
|
}
|
|
return [];
|
|
}
|
|
|
|
/**
|
|
* TagLib库解析
|
|
* @access private
|
|
* @param string $tagLib 要解析的标签库
|
|
* @param string $content 要解析的模板内容
|
|
* @param boolen $hide 是否隐藏标签库前缀
|
|
* @return void
|
|
*/
|
|
protected function parseTagLib($tagLib,&$content,$hide=false) {
|
|
$begin = $this->config['taglib_begin'];
|
|
$end = $this->config['taglib_end'];
|
|
$className = '\\think\\template\\taglib\\'.strtolower($tagLib);
|
|
$tLib = new $className($this);
|
|
foreach ($tLib->getTags() as $name=>$val){
|
|
$tags = [$name];
|
|
if(isset($val['alias'])) {// 别名设置
|
|
$tags = explode(',',$val['alias']);
|
|
$tags[] = $name;
|
|
}
|
|
$level = isset($val['level'])?$val['level']:1;
|
|
$closeTag = isset($val['close'])?$val['close']:true;
|
|
foreach ($tags as $tag){
|
|
$parseTag = !$hide? $tagLib.':'.$tag: $tag;// 实际要解析的标签名称
|
|
if(!method_exists($tLib,'_'.$tag)) {
|
|
// 别名可以无需定义解析方法
|
|
$tag = $name;
|
|
}
|
|
$n1 = empty($val['attr'])?'(\s*?)':'\s([^'.$end.']*)';
|
|
if (!$closeTag){
|
|
$patterns = '/'.$begin.$parseTag.$n1.'\/(\s*?)'.$end.'/is';
|
|
$content = preg_replace_callback($patterns, function($matches){
|
|
return $this->parseXmlTag($tLib, $tagLib, $tag, $matches[0], $matches[1]);
|
|
}, $content);
|
|
}else{
|
|
$patterns = '/'.$begin.$parseTag.$n1.$end.'(.*?)'.$begin.'\/'.$parseTag.'(\s*?)'.$end.'/is';
|
|
for($i=0;$i<$level;$i++){
|
|
$content = preg_replace_callback($patterns, function($matches){
|
|
return $this->parseXmlTag($tLib, $tagLib, $tag, $matches[0], $matches[1]);
|
|
}, $content);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 解析标签库的标签
|
|
* 需要调用对应的标签库文件解析类
|
|
* @access private
|
|
* @param object $tLib 模板引擎实例
|
|
* @param string $tagLib 标签库名称
|
|
* @param string $tag 标签名
|
|
* @param string $attr 标签属性
|
|
* @param string $content 标签内容
|
|
* @return string
|
|
*/
|
|
private function parseXmlTag($tLib,$tagLib,$tag,$attr,$content) {
|
|
$attr = stripslashes($attr);
|
|
$content= stripslashes($content);
|
|
if(ini_get('magic_quotes_sybase'))
|
|
$attr = str_replace('\"','\'',$attr);
|
|
$parse = '_'.$tag;
|
|
$content = trim($content);
|
|
$tags = $tLib->parseXmlAttr($attr,$tag);
|
|
$tLib->tpl = $this;
|
|
return $tLib->$parse($tags,$content);
|
|
}
|
|
|
|
/**
|
|
* 模板标签解析
|
|
* 格式： {TagName:args [|content] }
|
|
* @access private
|
|
* @param string $tagStr 标签内容
|
|
* @param string $content 原始内容
|
|
* @return string
|
|
*/
|
|
private function parseTag($tagStr,$content){
|
|
$tagStr = stripslashes($tagStr);
|
|
|
|
//还原非模板标签
|
|
if(!preg_match('/^[\s|\d]/is',$tagStr)){
|
|
$flag = substr($tagStr,0,1);
|
|
$flag2 = substr($tagStr,1,1);
|
|
$name = substr($tagStr,1);
|
|
if('$' == $flag && '.' != $flag2 && '(' != $flag2){ //解析模板变量 格式 {$varName}
|
|
return $this->parseVar($name);
|
|
}elseif('-' == $flag || '+'== $flag){ // 输出计算
|
|
return '<?php echo '.$flag.$name.';?>';
|
|
}elseif(':' == $flag){ // 输出某个函数的结果
|
|
return '<?php echo '.$name.';?>';
|
|
}elseif('~' == $flag){ // 执行某个函数
|
|
return '<?php '.$name.';?>';
|
|
}elseif(substr($tagStr,0,2)=='//' || (substr($tagStr,0,2)=='/*' && substr($tagStr,-2)=='*/')){
|
|
//注释标签
|
|
return '';
|
|
}
|
|
}
|
|
// 非法标签直接返回
|
|
return $content;
|
|
}
|
|
|
|
/**
|
|
* 模板变量解析,支持使用函数
|
|
* 格式： {$varname|function1|function2=arg1,arg2}
|
|
* @access private
|
|
* @param string $varStr 变量数据
|
|
* @return string
|
|
*/
|
|
private function parseVar($varStr){
|
|
$varStr = trim($varStr);
|
|
static $_varParseList = [];
|
|
//如果已经解析过该变量字串，则直接返回变量值
|
|
if(isset($_varParseList[$varStr])) return $_varParseList[$varStr];
|
|
$parseStr = '';
|
|
if(!empty($varStr)){
|
|
$varArray = explode('|',$varStr);
|
|
//取得变量名称
|
|
$var = array_shift($varArray);
|
|
if('Think.' == substr($var,0,6)){
|
|
// 所有以Think.打头的以特殊变量对待 无需模板赋值就可以输出
|
|
$name = $this->parseThinkVar($var);
|
|
}elseif( false !== strpos($var,'.')) {
|
|
//支持 {$var.property}
|
|
$vars = explode('.',$var);
|
|
$var = array_shift($vars);
|
|
$name = '$'.$var;
|
|
foreach ($vars as $key=>$val)
|
|
$name .= '["'.$val.'"]';
|
|
}elseif(false !== strpos($var,'[')) {
|
|
//支持 {$var['key']} 方式输出数组
|
|
$name = "$".$var;
|
|
}elseif(false !==strpos($var,':') && false ===strpos($var,'(') && false ===strpos($var,'::') && false ===strpos($var,'?')){
|
|
//支持 {$var:property} 方式输出对象的属性
|
|
$vars = explode(':',$var);
|
|
$var = str_replace(':','->',$var);
|
|
$name = "$".$var;
|
|
}else {
|
|
$name = "$$var";
|
|
}
|
|
//对变量使用函数
|
|
if(count($varArray)>0)
|
|
$name = $this->parseVarFunction($name,$varArray);
|
|
$parseStr = '<?php echo ('.$name.'); ?>';
|
|
}
|
|
$_varParseList[$varStr] = $parseStr;
|
|
return $parseStr;
|
|
}
|
|
|
|
/**
|
|
* 对模板变量使用函数
|
|
* 格式 {$varname|function1|function2=arg1,arg2}
|
|
* @access private
|
|
* @param string $name 变量名
|
|
* @param array $varArray 函数列表
|
|
* @return string
|
|
*/
|
|
private function parseVarFunction($name,$varArray){
|
|
//对变量使用函数
|
|
$length = count($varArray);
|
|
//取得模板禁止使用函数列表
|
|
$template_deny_funs = explode(',',$this->config['tpl_deny_func_list']);
|
|
for($i=0;$i<$length ;$i++ ){
|
|
$args = explode('=',$varArray[$i],2);
|
|
//模板函数过滤
|
|
$fun = strtolower(trim($args[0]));
|
|
switch($fun) {
|
|
case 'default': // 特殊模板函数
|
|
$name = '('.$name.')?('.$name.'):'.$args[1];
|
|
break;
|
|
default: // 通用模板函数
|
|
if(!in_array($fun,$template_deny_funs)){
|
|
if(isset($args[1])){
|
|
if(strstr($args[1],'###')){
|
|
$args[1] = str_replace('###',$name,$args[1]);
|
|
$name = "$fun($args[1])";
|
|
}else{
|
|
$name = "$fun($name,$args[1])";
|
|
}
|
|
}else if(!empty($args[0])){
|
|
$name = "$fun($name)";
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return $name;
|
|
}
|
|
|
|
/**
|
|
* 特殊模板变量解析
|
|
* 格式 以 $Think. 打头的变量属于特殊模板变量
|
|
* @access private
|
|
* @param string $varStr 变量字符串
|
|
* @return string
|
|
*/
|
|
private function parseThinkVar($varStr){
|
|
$vars = explode('.',$varStr);
|
|
$vars[1] = strtoupper(trim($vars[1]));
|
|
$parseStr = '';
|
|
if(count($vars)>=3){
|
|
$vars[2] = trim($vars[2]);
|
|
switch($vars[1]){
|
|
case 'SERVER':
|
|
$parseStr = '$_SERVER[\''.strtoupper($vars[2]).'\']';
|
|
break;
|
|
case 'GET':
|
|
$parseStr = '$_GET[\''.$vars[2].'\']';
|
|
break;
|
|
case 'POST':
|
|
$parseStr = '$_POST[\''.$vars[2].'\']';
|
|
break;
|
|
case 'COOKIE':
|
|
if(isset($vars[3])) {
|
|
$parseStr = '$_COOKIE[\''.$vars[2].'\'][\''.$vars[3].'\']';
|
|
}else{
|
|
$parseStr = '\\think\\cookie::get(\''.$vars[2].'\')';
|
|
}
|
|
break;
|
|
case 'SESSION':
|
|
if(isset($vars[3])) {
|
|
$parseStr = '$_SESSION[\''.$vars[2].'\'][\''.$vars[3].'\']';
|
|
}else{
|
|
$parseStr = '\\think\\session::get(\''.$vars[2].'\')';
|
|
}
|
|
break;
|
|
case 'ENV':
|
|
$parseStr = '$_ENV[\''.strtoupper($vars[2]).'\']';
|
|
break;
|
|
case 'REQUEST':
|
|
$parseStr = '$_REQUEST[\''.$vars[2].'\']';
|
|
break;
|
|
case 'CONST':
|
|
$parseStr = strtoupper($vars[2]);
|
|
break;
|
|
case 'LANG':
|
|
$parseStr = '\\think\\lang::get("'.$vars[2].'")';
|
|
break;
|
|
case 'CONFIG':
|
|
if(isset($vars[3])) {
|
|
$vars[2] .= '.'.$vars[3];
|
|
}
|
|
$parseStr = '\\think\\config::get("'.$vars[2].'")';
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}else if(count($vars)==2){
|
|
switch($vars[1]){
|
|
case 'NOW':
|
|
$parseStr = "date('Y-m-d g:i a',time())";
|
|
break;
|
|
case 'VERSION':
|
|
$parseStr = 'THINK_TEMPLATE_VERSION';
|
|
break;
|
|
case 'LDELIM':
|
|
$parseStr = $this->config['tpl_begin'];
|
|
break;
|
|
case 'RDELIM':
|
|
$parseStr = $this->config['tpl_end'];
|
|
break;
|
|
default:
|
|
if(defined($vars[1])){
|
|
$parseStr = $vars[1];
|
|
}
|
|
}
|
|
}
|
|
return $parseStr;
|
|
}
|
|
|
|
/**
|
|
* 加载公共模板并缓存 和当前模板在同一路径，否则使用相对路径
|
|
* @access private
|
|
* @param string $tmplPublicName 公共模板文件名
|
|
* @param array $vars 要传递的变量列表
|
|
* @return string
|
|
*/
|
|
private function parseIncludeItem($tmplPublicName,$vars=[]){
|
|
// 分析模板文件名并读取内容
|
|
$parseStr = $this->parseTemplateName($tmplPublicName);
|
|
// 替换变量
|
|
foreach ($vars as $key=>$val) {
|
|
if(strpos($val,'['.$key.']')) {
|
|
$parseStr = str_replace('['.$key.']',$val,$parseStr);
|
|
}
|
|
}
|
|
// 再次对包含文件进行模板分析
|
|
return $this->parseInclude($parseStr);
|
|
}
|
|
|
|
/**
|
|
* 分析加载的模板文件并读取内容 支持多个模板文件读取
|
|
* @access private
|
|
* @param string $tmplPublicName 模板文件名
|
|
* @return string
|
|
*/
|
|
private function parseTemplateName($templateName){
|
|
if(substr($templateName,0,1)=='$')
|
|
//支持加载变量文件名
|
|
$templateName = $this->get(substr($templateName,1));
|
|
$array = explode(',',$templateName);
|
|
$parseStr = '';
|
|
foreach ($array as $templateName){
|
|
$template = $this->parseTemplateFile($templateName);
|
|
// 获取模板文件内容
|
|
$parseStr .= file_get_contents($template);
|
|
}
|
|
return $parseStr;
|
|
}
|
|
|
|
private function parseTemplateFile($template) {
|
|
if(false === strpos($template,'.')) {
|
|
return $this->config['tpl_path'].$template.$this->config['tpl_suffix'];
|
|
}else{
|
|
return $template;
|
|
}
|
|
}
|
|
}
|