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614 lines
22 KiB
PHP
614 lines
22 KiB
PHP
<?php
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// +----------------------------------------------------------------------
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// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2006-2012 http://thinkphp.cn All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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// +----------------------------------------------------------------------
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// | Author: liu21st <liu21st@gmail.com>
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// +----------------------------------------------------------------------
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namespace Think\Template\Driver;
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use Think\TagLib;
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/**
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* CX标签库解析类
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* @category Think
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* @package Think
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* @subpackage Driver.Taglib
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* @author liu21st <liu21st@gmail.com>
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*/
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class Cx extends TagLib {
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// 标签定义
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protected $tags = array(
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// 标签定义： attr 属性列表 close 是否闭合（0 或者1 默认1） alias 标签别名 level 嵌套层次
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'php' => array(),
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'volist' => array('attr'=>'name,id,offset,length,key,mod','level'=>3,'alias'=>'iterate'),
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'foreach' => array('attr'=>'name,item,key','level'=>3),
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'if' => array('attr'=>'condition','level'=>2),
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'elseif' => array('attr'=>'condition','close'=>0),
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'else' => array('attr'=>'','close'=>0),
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'switch' => array('attr'=>'name','level'=>2),
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'case' => array('attr'=>'value,break'),
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'default' => array('attr'=>'','close'=>0),
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'compare' => array('attr'=>'name,value,type','level'=>3,'alias'=>'eq,equal,notequal,neq,gt,lt,egt,elt,heq,nheq'),
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'range' => array('attr'=>'name,value,type','level'=>3,'alias'=>'in,notin,between,notbetween'),
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'empty' => array('attr'=>'name','level'=>3),
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'notempty' => array('attr'=>'name','level'=>3),
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'present' => array('attr'=>'name','level'=>3),
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'notpresent'=> array('attr'=>'name','level'=>3),
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'defined' => array('attr'=>'name','level'=>3),
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'notdefined'=> array('attr'=>'name','level'=>3),
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'import' => array('attr'=>'file,href,type,value,basepath','close'=>0,'alias'=>'load,css,js'),
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'assign' => array('attr'=>'name,value','close'=>0),
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'define' => array('attr'=>'name,value','close'=>0),
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'for' => array('attr'=>'start,end,name,comparison,step', 'level'=>3),
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);
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/**
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* php标签解析
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* @access public
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* @param array $tag 标签属性
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* @param string $content 标签内容
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* @return string
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*/
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public function _php($tag,$content) {
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$parseStr = '<?php '.$content.' ?>';
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return $parseStr;
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}
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/**
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* volist标签解析 循环输出数据集
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* 格式：
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* <volist name="userList" id="user" empty="" >
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* {user.username}
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* {user.email}
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* </volist>
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* @access public
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* @param array $tag 标签属性
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* @param string $content 标签内容
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* @return string|void
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*/
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public function _volist($tag,$content) {
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$name = $tag['name'];
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$id = $tag['id'];
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$empty = isset($tag['empty'])?$tag['empty']:'';
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$key = !empty($tag['key'])?$tag['key']:'i';
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$mod = isset($tag['mod'])?$tag['mod']:'2';
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// 允许使用函数设定数据集 <volist name=":fun('arg')" id="vo">{$vo.name}</volist>
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$parseStr = '<?php ';
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if(0===strpos($name,':')) {
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$parseStr .= '$_result='.substr($name,1).';';
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$name = '$_result';
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}else{
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$name = $this->autoBuildVar($name);
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}
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$parseStr .= 'if(is_array('.$name.')): $'.$key.' = 0;';
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if(isset($tag['length']) && '' !=$tag['length'] ) {
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$parseStr .= ' $__LIST__ = array_slice('.$name.','.$tag['offset'].','.$tag['length'].',true);';
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}elseif(isset($tag['offset']) && '' !=$tag['offset']){
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$parseStr .= ' $__LIST__ = array_slice('.$name.','.$tag['offset'].',null,true);';
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}else{
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$parseStr .= ' $__LIST__ = '.$name.';';
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}
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$parseStr .= 'if( count($__LIST__)==0 ) : echo "'.$empty.'" ;';
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$parseStr .= 'else: ';
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$parseStr .= 'foreach($__LIST__ as $key=>$'.$id.'): ';
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$parseStr .= '$mod = ($'.$key.' % '.$mod.' );';
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$parseStr .= '++$'.$key.';?>';
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$parseStr .= ($content);
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$parseStr .= '<?php endforeach; endif; else: echo "'.$empty.'" ;endif; ?>';
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if(!empty($parseStr)) {
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return $parseStr;
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}
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return ;
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}
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/**
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* foreach标签解析 循环输出数据集
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* @access public
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* @param array $tag 标签属性
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* @param string $content 标签内容
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* @return string|void
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*/
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public function _foreach($tag,$content) {
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$name = $tag['name'];
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$item = $tag['item'];
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$key = !empty($tag['key'])?$tag['key']:'key';
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$name = $this->autoBuildVar($name);
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$parseStr = '<?php if(is_array('.$name.')): foreach('.$name.' as $'.$key.'=>$'.$item.'): ?>';
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$parseStr .= ($content);
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$parseStr .= '<?php endforeach; endif; ?>';
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if(!empty($parseStr)) {
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return $parseStr;
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}
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return ;
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}
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/**
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* if标签解析
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* 格式：
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* <if condition=" $a eq 1" >
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* <elseif condition="$a eq 2" />
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* <else />
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* </if>
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* 表达式支持 eq neq gt egt lt elt == > >= < <= or and || &&
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* @access public
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* @param array $tag 标签属性
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* @param string $content 标签内容
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* @return string
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*/
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public function _if($tag,$content) {
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$condition = $this->parseCondition($tag['condition']);
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$parseStr = '<?php if('.$condition.'): ?>'.$content.'<?php endif; ?>';
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return $parseStr;
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}
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/**
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* else标签解析
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* 格式：见if标签
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* @access public
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* @param array $tag 标签属性
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* @param string $content 标签内容
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* @return string
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*/
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public function _elseif($tag,$content) {
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$condition = $this->parseCondition($tag['condition']);
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$parseStr = '<?php elseif('.$condition.'): ?>';
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return $parseStr;
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}
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/**
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* else标签解析
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* @access public
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* @param array $tag 标签属性
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* @return string
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*/
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public function _else($tag) {
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$parseStr = '<?php else: ?>';
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return $parseStr;
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}
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/**
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* switch标签解析
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* 格式：
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* <switch name="a.name" >
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* <case value="1" break="false">1</case>
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* <case value="2" >2</case>
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* <default />other
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* </switch>
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* @access public
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* @param array $tag 标签属性
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* @param string $content 标签内容
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* @return string
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*/
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public function _switch($tag,$content) {
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$name = $tag['name'];
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$varArray = explode('|',$name);
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$name = array_shift($varArray);
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$name = $this->autoBuildVar($name);
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if(count($varArray)>0)
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$name = $this->parseVarFunction($name,$varArray);
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$parseStr = '<?php switch('.$name.'): ?>'.$content.'<?php endswitch;?>';
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return $parseStr;
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}
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/**
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* case标签解析 需要配合switch才有效
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* @access public
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* @param array $tag 标签属性
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* @param string $content 标签内容
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* @return string
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*/
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public function _case($tag,$content) {
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$value = $tag['value'];
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if('$' == substr($value,0,1)) {
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$varArray = explode('|',$value);
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$value = array_shift($varArray);
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$value = $this->autoBuildVar(substr($value,1));
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if(count($varArray)>0)
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$value = $this->parseVarFunction($value,$varArray);
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$value = 'case '.$value.': ';
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}elseif(strpos($value,'|')){
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$values = explode('|',$value);
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$value = '';
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foreach ($values as $val){
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$value .= 'case "'.addslashes($val).'": ';
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}
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}else{
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$value = 'case "'.$value.'": ';
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}
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$parseStr = '<?php '.$value.' ?>'.$content;
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$isBreak = isset($tag['break']) ? $tag['break'] : '';
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if('' ==$isBreak || $isBreak) {
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$parseStr .= '<?php break;?>';
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}
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return $parseStr;
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}
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/**
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* default标签解析 需要配合switch才有效
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* 使用： <default />ddfdf
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* @access public
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* @param array $tag 标签属性
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* @param string $content 标签内容
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* @return string
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*/
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public function _default($tag) {
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$parseStr = '<?php default: ?>';
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return $parseStr;
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}
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/**
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* compare标签解析
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* 用于值的比较 支持 eq neq gt lt egt elt heq nheq 默认是eq
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* 格式： <compare name="" type="eq" value="" >content</compare>
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* @access public
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* @param array $tag 标签属性
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* @param string $content 标签内容
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* @return string
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*/
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public function _compare($tag,$content,$type='eq') {
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$name = $tag['name'];
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$value = $tag['value'];
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$type = isset($tag['type'])?$tag['type']:$type;
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$type = $this->parseCondition(' '.$type.' ');
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$varArray = explode('|',$name);
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$name = array_shift($varArray);
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$name = $this->autoBuildVar($name);
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if(count($varArray)>0)
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$name = $this->parseVarFunction($name,$varArray);
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if('$' == substr($value,0,1)) {
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$value = $this->autoBuildVar(substr($value,1));
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}else {
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$value = '"'.$value.'"';
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}
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$parseStr = '<?php if(('.$name.') '.$type.' '.$value.'): ?>'.$content.'<?php endif; ?>';
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return $parseStr;
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}
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public function _eq($tag,$content) {
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return $this->_compare($tag,$content,'eq');
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}
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public function _equal($tag,$content) {
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return $this->_compare($tag,$content,'eq');
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}
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public function _neq($tag,$content) {
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return $this->_compare($tag,$content,'neq');
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}
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public function _notequal($tag,$content) {
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return $this->_compare($tag,$content,'neq');
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}
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public function _gt($tag,$content) {
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return $this->_compare($tag,$content,'gt');
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}
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public function _lt($tag,$content) {
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return $this->_compare($tag,$content,'lt');
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}
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public function _egt($tag,$content) {
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return $this->_compare($tag,$content,'egt');
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}
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public function _elt($tag,$content) {
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return $this->_compare($tag,$content,'elt');
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}
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public function _heq($tag,$content) {
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return $this->_compare($tag,$content,'heq');
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}
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public function _nheq($tag,$content) {
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return $this->_compare($tag,$content,'nheq');
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}
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/**
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* range标签解析
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* 如果某个变量存在于某个范围 则输出内容 type= in 表示在范围内 否则表示在范围外
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* 格式： <range name="var|function" value="val" type='in|notin' >content</range>
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* example: <range name="a" value="1,2,3" type='in' >content</range>
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* @access public
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* @param array $tag 标签属性
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* @param string $content 标签内容
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* @param string $type 比较类型
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* @return string
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*/
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public function _range($tag,$content,$type='in') {
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$name = $tag['name'];
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$value = $tag['value'];
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$varArray = explode('|',$name);
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$name = array_shift($varArray);
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$name = $this->autoBuildVar($name);
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if(count($varArray)>0)
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$name = $this->parseVarFunction($name,$varArray);
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$type = isset($tag['type'])?$tag['type']:$type;
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if('$' == substr($value,0,1)) {
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$value = $this->autoBuildVar(substr($value,1));
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$str = 'is_array('.$value.')?'.$value.':explode(\',\','.$value.')';
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}else{
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$value = '"'.$value.'"';
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$str = 'explode(\',\','.$value.')';
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}
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if($type=='between') {
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$parseStr = '<?php $_RANGE_VAR_='.$str.';if('.$name.'>= $_RANGE_VAR_[0] && '.$name.'<= $_RANGE_VAR_[1]):?>'.$content.'<?php endif; ?>';
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}elseif($type=='notbetween'){
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$parseStr = '<?php $_RANGE_VAR_='.$str.';if('.$name.'<$_RANGE_VAR_[0] && '.$name.'>$_RANGE_VAR_[1]):?>'.$content.'<?php endif; ?>';
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}else{
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$fun = ($type == 'in')? 'in_array' : '!in_array';
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$parseStr = '<?php if('.$fun.'(('.$name.'), '.$str.')): ?>'.$content.'<?php endif; ?>';
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}
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return $parseStr;
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}
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// range标签的别名 用于in判断
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public function _in($tag,$content) {
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return $this->_range($tag,$content,'in');
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}
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// range标签的别名 用于notin判断
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public function _notin($tag,$content) {
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return $this->_range($tag,$content,'notin');
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}
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public function _between($tag,$content){
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return $this->_range($tag,$content,'between');
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}
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public function _notbetween($tag,$content){
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return $this->_range($tag,$content,'notbetween');
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}
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/**
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* present标签解析
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* 如果某个变量已经设置 则输出内容
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* 格式： <present name="" >content</present>
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* @access public
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* @param array $tag 标签属性
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* @param string $content 标签内容
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* @return string
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*/
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public function _present($tag,$content) {
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$name = $tag['name'];
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$name = $this->autoBuildVar($name);
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$parseStr = '<?php if(isset('.$name.')): ?>'.$content.'<?php endif; ?>';
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return $parseStr;
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}
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/**
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* notpresent标签解析
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* 如果某个变量没有设置，则输出内容
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* 格式： <notpresent name="" >content</notpresent>
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* @access public
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* @param array $tag 标签属性
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* @param string $content 标签内容
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* @return string
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*/
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public function _notpresent($tag,$content) {
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$name = $tag['name'];
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$name = $this->autoBuildVar($name);
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$parseStr = '<?php if(!isset('.$name.')): ?>'.$content.'<?php endif; ?>';
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return $parseStr;
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}
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/**
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* empty标签解析
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* 如果某个变量为empty 则输出内容
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* 格式： <empty name="" >content</empty>
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* @access public
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* @param array $tag 标签属性
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* @param string $content 标签内容
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* @return string
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*/
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public function _empty($tag,$content) {
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$name = $tag['name'];
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$name = $this->autoBuildVar($name);
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$parseStr = '<?php if(empty('.$name.')): ?>'.$content.'<?php endif; ?>';
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return $parseStr;
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}
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public function _notempty($tag,$content) {
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$name = $tag['name'];
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$name = $this->autoBuildVar($name);
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$parseStr = '<?php if(!empty('.$name.')): ?>'.$content.'<?php endif; ?>';
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return $parseStr;
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}
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/**
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* 判断是否已经定义了该常量
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* <defined name='TXT'>已定义</defined>
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* @param <type> $tag
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* @param <type> $content
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* @return string
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*/
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public function _defined($tag,$content) {
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$name = $tag['name'];
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$parseStr = '<?php if(defined("'.$name.'")): ?>'.$content.'<?php endif; ?>';
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return $parseStr;
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}
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public function _notdefined($tag,$content) {
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$name = $tag['name'];
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$parseStr = '<?php if(!defined("'.$name.'")): ?>'.$content.'<?php endif; ?>';
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return $parseStr;
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}
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/**
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* import 标签解析 <import file="Js.Base" />
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* <import file="Css.Base" type="css" />
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* @access public
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* @param array $tag 标签属性
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* @param string $content 标签内容
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* @param boolean $isFile 是否文件方式
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* @param string $type 类型
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* @return string
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*/
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public function _import($tag,$content,$isFile=false,$type='') {
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$file = isset($tag['file'])?$tag['file']:$tag['href'];
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$parseStr = '';
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$endStr = '';
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// 判断是否存在加载条件 允许使用函数判断(默认为isset)
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if (isset($tag['value'])) {
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$varArray = explode('|',$tag['value']);
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$name = array_shift($varArray);
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$name = $this->autoBuildVar($name);
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if (!empty($varArray))
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$name = $this->parseVarFunction($name,$varArray);
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else
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$name = 'isset('.$name.')';
|
||
$parseStr .= '<?php if('.$name.'): ?>';
|
||
$endStr = '<?php endif; ?>';
|
||
}
|
||
if($isFile) {
|
||
// 根据文件名后缀自动识别
|
||
$type = $type?$type:(!empty($tag['type'])?strtolower($tag['type']):null);
|
||
// 文件方式导入
|
||
$array = explode(',',$file);
|
||
foreach ($array as $val){
|
||
if (!$type || isset($reset)) {
|
||
$type = $reset = strtolower(substr(strrchr($val, '.'),1));
|
||
}
|
||
switch($type) {
|
||
case 'js':
|
||
$parseStr .= '<script type="text/javascript" src="'.$val.'"></script>';
|
||
break;
|
||
case 'css':
|
||
$parseStr .= '<link rel="stylesheet" type="text/css" href="'.$val.'" />';
|
||
break;
|
||
case 'php':
|
||
$parseStr .= '<?php require_cache("'.$val.'"); ?>';
|
||
break;
|
||
}
|
||
}
|
||
}else{
|
||
// 命名空间导入模式 默认是js
|
||
$type = $type?$type:(!empty($tag['type'])?strtolower($tag['type']):'js');
|
||
$basepath = !empty($tag['basepath'])?$tag['basepath']:__ROOT__.'/Public';
|
||
// 命名空间方式导入外部文件
|
||
$array = explode(',',$file);
|
||
foreach ($array as $val){
|
||
list($val,$version) = explode('?',$val);
|
||
switch($type) {
|
||
case 'js':
|
||
$parseStr .= '<script type="text/javascript" src="'.$basepath.'/'.str_replace(array('.','#'), array('/','.'),$val).'.js'.($version?'?'.$version:'').'"></script>';
|
||
break;
|
||
case 'css':
|
||
$parseStr .= '<link rel="stylesheet" type="text/css" href="'.$basepath.'/'.str_replace(array('.','#'), array('/','.'),$val).'.css'.($version?'?'.$version:'').'" />';
|
||
break;
|
||
case 'php':
|
||
$parseStr .= '<?php import("'.$val.'"); ?>';
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
return $parseStr.$endStr;
|
||
}
|
||
|
||
// import别名 采用文件方式加载(要使用命名空间必须用import) 例如 <load file="__PUBLIC__/Js/Base.js" />
|
||
public function _load($tag,$content) {
|
||
return $this->_import($tag,$content,true);
|
||
}
|
||
|
||
// import别名使用 导入css文件 <css file="__PUBLIC__/Css/Base.css" />
|
||
public function _css($tag,$content) {
|
||
return $this->_import($tag,$content,true,'css');
|
||
}
|
||
|
||
// import别名使用 导入js文件 <js file="__PUBLIC__/Js/Base.js" />
|
||
public function _js($tag,$content) {
|
||
return $this->_import($tag,$content,true,'js');
|
||
}
|
||
|
||
/**
|
||
* assign标签解析
|
||
* 在模板中给某个变量赋值 支持变量赋值
|
||
* 格式： <assign name="" value="" />
|
||
* @access public
|
||
* @param array $tag 标签属性
|
||
* @param string $content 标签内容
|
||
* @return string
|
||
*/
|
||
public function _assign($tag,$content) {
|
||
$name = $this->autoBuildVar($tag['name']);
|
||
if('$'==substr($tag['value'],0,1)) {
|
||
$value = $this->autoBuildVar(substr($tag['value'],1));
|
||
}else{
|
||
$value = '\''.$tag['value']. '\'';
|
||
}
|
||
$parseStr = '<?php '.$name.' = '.$value.'; ?>';
|
||
return $parseStr;
|
||
}
|
||
|
||
/**
|
||
* define标签解析
|
||
* 在模板中定义常量 支持变量赋值
|
||
* 格式： <define name="" value="" />
|
||
* @access public
|
||
* @param array $tag 标签属性
|
||
* @param string $content 标签内容
|
||
* @return string
|
||
*/
|
||
public function _define($tag,$content) {
|
||
$name = '\''.$tag['name']. '\'';
|
||
if('$'==substr($tag['value'],0,1)) {
|
||
$value = $this->autoBuildVar(substr($tag['value'],1));
|
||
}else{
|
||
$value = '\''.$tag['value']. '\'';
|
||
}
|
||
$parseStr = '<?php define('.$name.', '.$value.'); ?>';
|
||
return $parseStr;
|
||
}
|
||
|
||
/**
|
||
* for标签解析
|
||
* 格式： <for start="" end="" comparison="" step="" name="" />
|
||
* @access public
|
||
* @param array $tag 标签属性
|
||
* @param string $content 标签内容
|
||
* @return string
|
||
*/
|
||
public function _for($tag, $content){
|
||
//设置默认值
|
||
$start = 0;
|
||
$end = 0;
|
||
$step = 1;
|
||
$comparison = 'lt';
|
||
$name = 'i';
|
||
$rand = rand(); //添加随机数，防止嵌套变量冲突
|
||
//获取属性
|
||
foreach ($tag as $key => $value){
|
||
$value = trim($value);
|
||
if(':'==substr($value,0,1))
|
||
$value = substr($value,1);
|
||
elseif('$'==substr($value,0,1))
|
||
$value = $this->autoBuildVar(substr($value,1));
|
||
switch ($key){
|
||
case 'start':
|
||
$start = $value; break;
|
||
case 'end' :
|
||
$end = $value; break;
|
||
case 'step':
|
||
$step = $value; break;
|
||
case 'comparison':
|
||
$comparison = $value; break;
|
||
case 'name':
|
||
$name = $value; break;
|
||
}
|
||
}
|
||
|
||
$parseStr = '<?php $__FOR_START_'.$rand.'__='.$start.';$__FOR_END_'.$rand.'__='.$end.';';
|
||
$parseStr .= 'for($'.$name.'=$__FOR_START_'.$rand.'__;'.$this->parseCondition('$'.$name.' '.$comparison.' $__FOR_END_'.$rand.'__').';$'.$name.'+='.$step.'){ ?>';
|
||
$parseStr .= $content;
|
||
$parseStr .= '<?php } ?>';
|
||
return $parseStr;
|
||
}
|
||
|
||
} |