Volist标签 bug改善
jerry thinkphp 2015年11月18日
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mod 有点小问题，第103行
见下面代码
见下面代码
<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006-2012 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <liu21st@gmail.com>
// +----------------------------------------------------------------------
defined('THINK_PATH') or exit();
/**
* CX标签库解析类
* @category Think
* @package Think
* @subpackage Driver.Taglib
* @author liu21st <liu21st@gmail.com>
*/
class TagLibCx extends TagLib {
// 标签定义
protected $tags = array(
// 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
'php' => array(),
'volist' => array('attr'=>'name,id,offset,length,key,mod','level'=>3,'alias'=>'iterate'),
'foreach' => array('attr'=>'name,item,key','level'=>3),
'if' => array('attr'=>'condition','level'=>2),
'elseif' => array('attr'=>'condition','close'=>0),
'else' => array('attr'=>'','close'=>0),
'switch' => array('attr'=>'name','level'=>2),
'case' => array('attr'=>'value,break'),
'default' => array('attr'=>'','close'=>0),
'compare' => array('attr'=>'name,value,type','level'=>3,'alias'=>'eq,equal,notequal,neq,gt,lt,egt,elt,heq,nheq'),
'range' => array('attr'=>'name,value,type','level'=>3,'alias'=>'in,notin,between,notbetween'),
'empty' => array('attr'=>'name','level'=>3),
'notempty' => array('attr'=>'name','level'=>3),
'present' => array('attr'=>'name','level'=>3),
'notpresent'=> array('attr'=>'name','level'=>3),
'defined' => array('attr'=>'name','level'=>3),
'notdefined'=> array('attr'=>'name','level'=>3),
'import' => array('attr'=>'file,href,type,value,basepath','close'=>0,'alias'=>'load,css,js'),
'assign' => array('attr'=>'name,value','close'=>0),
'define' => array('attr'=>'name,value','close'=>0),
'for' => array('attr'=>'start,end,name,comparison,step', 'level'=>3),
);
/**
* php标签解析
* @access public
* @param string $attr 标签属性
* @param string $content 标签内容
* @return string
*/
public function _php($attr,$content) {
$parseStr = '<?php '.$content.' ?>';
return $parseStr;
}
/**
* volist标签解析 循环输出数据集
* 格式：
* <volist name="userList" id="user" empty="" >
* {user.username}
* {user.email}
* </volist>
* @access public
* @param string $attr 标签属性
* @param string $content 标签内容
* @return string|void
*/
public function _volist($attr,$content) {
static $_iterateParseCache = array();
//如果已经解析过，则直接返回变量值
$cacheIterateId = md5($attr.$content);
if(isset($_iterateParseCache[$cacheIterateId]))
return $_iterateParseCache[$cacheIterateId];
$tag = $this->parseXmlAttr($attr,'volist');
$name = $tag['name'];
$id = $tag['id'];
$empty = isset($tag['empty'])?$tag['empty']:'';
$key = !empty($tag['key'])?$tag['key']:'i';
$mod = isset($tag['mod'])?$tag['mod']:'2';
// 允许使用函数设定数据集 <volist name=":fun('arg')" id="vo">{$vo.name}</volist>
$parseStr = '<?php ';
if(0===strpos($name,':')) {
$parseStr .= '$_result='.substr($name,1).';';
$name = '$_result';
}else{
$name = $this->autoBuildVar($name);
}
$parseStr .= 'if(is_array('.$name.')): $'.$key.' = 0;';
if(isset($tag['length']) && '' !=$tag['length'] ) {
$parseStr .= ' $__LIST__ = array_slice('.$name.','.$tag['offset'].','.$tag['length'].',true);';
}elseif(isset($tag['offset']) && '' !=$tag['offset']){
$parseStr .= ' $__LIST__ = array_slice('.$name.','.$tag['offset'].',null,true);';
}else{
$parseStr .= ' $__LIST__ = '.$name.';';
}
$parseStr .= 'if( count($__LIST__)==0 ) : echo "'.$empty.'" ;';
$parseStr .= 'else: ';
$parseStr .= 'foreach($__LIST__ as $key=>$'.$id.'): ';
//改善后
$parseStr .= '++$'.$key.';';
$parseStr .= '$mod = ($'.$key.' % '.$mod.' );';
$parseStr .= '?>';
/*改善前
$parseStr .= '$mod = ($'.$key.' % '.$mod.' );';
$parseStr .= '++$'.$key.';?>';*/
$parseStr .= $this->tpl->parse($content);
$parseStr .= '<?php endforeach; endif; else: echo "'.$empty.'" ;endif; ?>';
$_iterateParseCache[$cacheIterateId] = $parseStr;
if(!empty($parseStr)) {
return $parseStr;
}
return ;
}
/**
* foreach标签解析 循环输出数据集
* @access public
* @param string $attr 标签属性
* @param string $content 标签内容
* @return string|void
*/
public function _foreach($attr,$content) {
static $_iterateParseCache = array();
//如果已经解析过，则直接返回变量值
$cacheIterateId = md5($attr.$content);
if(isset($_iterateParseCache[$cacheIterateId]))
return $_iterateParseCache[$cacheIterateId];
$tag = $this->parseXmlAttr($attr,'foreach');
$name = $tag['name'];
$item = $tag['item'];
$key = !empty($tag['key'])?$tag['key']:'key';
$name = $this->autoBuildVar($name);
$parseStr = '<?php if(is_array('.$name.')): foreach('.$name.' as $'.$key.'=>$'.$item.'): ?>';
$parseStr .= $this->tpl->parse($content);
$parseStr .= '<?php endforeach; endif; ?>';
$_iterateParseCache[$cacheIterateId] = $parseStr;
if(!empty($parseStr)) {
return $parseStr;
}
return ;
}
/**
* if标签解析
* 格式：
* <if condition=" $a eq 1" >
* <elseif condition="$a eq 2" />
* <else />
* </if>
* 表达式支持 eq neq gt egt lt elt == > >= < <= or and || &&
* @access public
* @param string $attr 标签属性
* @param string $content 标签内容
* @return string
*/
public function _if($attr,$content) {
$tag = $this->parseXmlAttr($attr,'if');
$condition = $this->parseCondition($tag['condition']);
$parseStr = '<?php if('.$condition.'): ?>'.$content.'<?php endif; ?>';
return $parseStr;
}
/**
* else标签解析
* 格式：见if标签
* @access public
* @param string $attr 标签属性
* @param string $content 标签内容
* @return string
*/
public function _elseif($attr,$content) {
$tag = $this->parseXmlAttr($attr,'elseif');
$condition = $this->parseCondition($tag['condition']);
$parseStr = '<?php elseif('.$condition.'): ?>';
return $parseStr;
}
/**
* else标签解析
* @access public
* @param string $attr 标签属性
* @return string
*/
public function _else($attr) {
$parseStr = '<?php else: ?>';
return $parseStr;
}
/**
* switch标签解析
* 格式：
* <switch name="a.name" >
* <case value="1" break="false">1</case>
* <case value="2" >2</case>
* <default />other
* </switch>
* @access public
* @param string $attr 标签属性
* @param string $content 标签内容
* @return string
*/
public function _switch($attr,$content) {
$tag = $this->parseXmlAttr($attr,'switch');
$name = $tag['name'];
$varArray = explode('|',$name);
$name = array_shift($varArray);
$name = $this->autoBuildVar($name);
if(count($varArray)>0)
$name = $this->tpl->parseVarFunction($name,$varArray);
$parseStr = '<?php switch('.$name.'): ?>'.$content.'<?php endswitch;?>';
return $parseStr;
}
/**
* case标签解析 需要配合switch才有效
* @access public
* @param string $attr 标签属性
* @param string $content 标签内容
* @return string
*/
public function _case($attr,$content) {
$tag = $this->parseXmlAttr($attr,'case');
$value = $tag['value'];
if('$' == substr($value,0,1)) {
$varArray = explode('|',$value);
$value = array_shift($varArray);
$value = $this->autoBuildVar(substr($value,1));
if(count($varArray)>0)
$value = $this->tpl->parseVarFunction($value,$varArray);
$value = 'case '.$value.': ';
}elseif(strpos($value,'|')){
$values = explode('|',$value);
$value = '';
foreach ($values as $val){
$value .= 'case "'.addslashes($val).'": ';
}
}else{
$value = 'case "'.$value.'": ';
}
$parseStr = '<?php '.$value.' ?>'.$content;
$isBreak = isset($tag['break']) ? $tag['break'] : '';
if('' ==$isBreak || $isBreak) {
$parseStr .= '<?php break;?>';
}
return $parseStr;
}
/**
* default标签解析 需要配合switch才有效
* 使用： <default />ddfdf
* @access public
* @param string $attr 标签属性
* @param string $content 标签内容
* @return string
*/
public function _default($attr) {
$parseStr = '<?php default: ?>';
return $parseStr;
}
/**
* compare标签解析
* 用于值的比较 支持 eq neq gt lt egt elt heq nheq 默认是eq
* 格式： <compare name="" type="eq" value="" >content</compare>
* @access public
* @param string $attr 标签属性
* @param string $content 标签内容
* @return string
*/
public function _compare($attr,$content,$type='eq') {
$tag = $this->parseXmlAttr($attr,'compare');
$name = $tag['name'];
$value = $tag['value'];
$type = isset($tag['type'])?$tag['type']:$type;
$type = $this->parseCondition(' '.$type.' ');
$varArray = explode('|',$name);
$name = array_shift($varArray);
$name = $this->autoBuildVar($name);
if(count($varArray)>0)
$name = $this->tpl->parseVarFunction($name,$varArray);
if('$' == substr($value,0,1)) {
$value = $this->autoBuildVar(substr($value,1));
}else {
$value = '"'.$value.'"';
}
$parseStr = '<?php if(('.$name.') '.$type.' '.$value.'): ?>'.$content.'<?php endif; ?>';
return $parseStr;
}
public function _eq($attr,$content) {
return $this->_compare($attr,$content,'eq');
}
public function _equal($attr,$content) {
return $this->_compare($attr,$content,'eq');
}
public function _neq($attr,$content) {
return $this->_compare($attr,$content,'neq');
}
public function _notequal($attr,$content) {
return $this->_compare($attr,$content,'neq');
}
public function _gt($attr,$content) {
return $this->_compare($attr,$content,'gt');
}
public function _lt($attr,$content) {
return $this->_compare($attr,$content,'lt');
}
public function _egt($attr,$content) {
return $this->_compare($attr,$content,'egt');
}
public function _elt($attr,$content) {
return $this->_compare($attr,$content,'elt');
}
public function _heq($attr,$content) {
return $this->_compare($attr,$content,'heq');
}
public function _nheq($attr,$content) {
return $this->_compare($attr,$content,'nheq');
}
/**
* range标签解析
* 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
* 格式： <range name="var|function" value="val" type='in|notin' >content</range>
* example: <range name="a" value="1,2,3" type='in' >content</range>
* @access public
* @param string $attr 标签属性
* @param string $content 标签内容
* @param string $type 比较类型
* @return string
*/
public function _range($attr,$content,$type='in') {
$tag = $this->parseXmlAttr($attr,'range');
$name = $tag['name'];
$value = $tag['value'];
$varArray = explode('|',$name);
$name = array_shift($varArray);
$name = $this->autoBuildVar($name);
if(count($varArray)>0)
$name = $this->tpl->parseVarFunction($name,$varArray);
$type = isset($tag['type'])?$tag['type']:$type;
if('$' == substr($value,0,1)) {
$value = $this->autoBuildVar(substr($value,1));
$str = 'is_array('.$value.')?'.$value.':explode(\',\','.$value.')';
}else{
$value = '"'.$value.'"';
$str = 'explode(\',\','.$value.')';
}
if($type=='between') {
$parseStr = '<?php $_RANGE_VAR_='.$str.';if('.$name.'>= $_RANGE_VAR_[0] && '.$name.'<= $_RANGE_VAR_[1]):?>'.$content.'<?php endif; ?>';
}elseif($type=='notbetween'){
$parseStr = '<?php $_RANGE_VAR_='.$str.';if('.$name.'<$_RANGE_VAR_[0] || '.$name.'>$_RANGE_VAR_[1]):?>'.$content.'<?php endif; ?>';
}else{
$fun = ($type == 'in')? 'in_array' : '!in_array';
$parseStr = '<?php if('.$fun.'(('.$name.'), '.$str.')): ?>'.$content.'<?php endif; ?>';
}
return $parseStr;
}
// range标签的别名 用于in判断
public function _in($attr,$content) {
return $this->_range($attr,$content,'in');
}
// range标签的别名 用于notin判断
public function _notin($attr,$content) {
return $this->_range($attr,$content,'notin');
}
public function _between($attr,$content){
return $this->_range($attr,$content,'between');
}
public function _notbetween($attr,$content){
return $this->_range($attr,$content,'notbetween');
}
/**
* present标签解析
* 如果某个变量已经设置 则输出内容
* 格式： <present name="" >content</present>
* @access public
* @param string $attr 标签属性
* @param string $content 标签内容
* @return string
*/
public function _present($attr,$content) {
$tag = $this->parseXmlAttr($attr,'present');
$name = $tag['name'];
$name = $this->autoBuildVar($name);
$parseStr = '<?php if(isset('.$name.')): ?>'.$content.'<?php endif; ?>';
return $parseStr;
}
/**
* notpresent标签解析
* 如果某个变量没有设置，则输出内容
* 格式： <notpresent name="" >content</notpresent>
* @access public
* @param string $attr 标签属性
* @param string $content 标签内容
* @return string
*/
public function _notpresent($attr,$content) {
$tag = $this->parseXmlAttr($attr,'notpresent');
$name = $tag['name'];
$name = $this->autoBuildVar($name);
$parseStr = '<?php if(!isset('.$name.')): ?>'.$content.'<?php endif; ?>';
return $parseStr;
}
/**
* empty标签解析
* 如果某个变量为empty 则输出内容
* 格式： <empty name="" >content</empty>
* @access public
* @param string $attr 标签属性
* @param string $content 标签内容
* @return string
*/
public function _empty($attr,$content) {
$tag = $this->parseXmlAttr($attr,'empty');
$name = $tag['name'];
$name = $this->autoBuildVar($name);
$parseStr = '<?php if(empty('.$name.')): ?>'.$content.'<?php endif; ?>';
return $parseStr;
}
public function _notempty($attr,$content) {
$tag = $this->parseXmlAttr($attr,'notempty');
$name = $tag['name'];
$name = $this->autoBuildVar($name);
$parseStr = '<?php if(!empty('.$name.')): ?>'.$content.'<?php endif; ?>';
return $parseStr;
}
/**
* 判断是否已经定义了该常量
* <defined name='TXT'>已定义</defined>
* @param <type> $attr
* @param <type> $content
* @return string
*/
public function _defined($attr,$content) {
$tag = $this->parseXmlAttr($attr,'defined');
$name = $tag['name'];
$parseStr = '<?php if(defined("'.$name.'")): ?>'.$content.'<?php endif; ?>';
return $parseStr;
}
public function _notdefined($attr,$content) {
$tag = $this->parseXmlAttr($attr,'_notdefined');
$name = $tag['name'];
$parseStr = '<?php if(!defined("'.$name.'")): ?>'.$content.'<?php endif; ?>';
return $parseStr;
}
/**
* import 标签解析 <import file="Js.Base" />
* <import file="Css.Base" type="css" />
* @access public
* @param string $attr 标签属性
* @param string $content 标签内容
* @param boolean $isFile 是否文件方式
* @param string $type 类型
* @return string
*/
public function _import($attr,$content,$isFile=false,$type='') {
$tag = $this->parseXmlAttr($attr,'import');
$file = isset($tag['file'])?$tag['file']:$tag['href'];
$parseStr = '';
$endStr = '';
// 判断是否存在加载条件 允许使用函数判断(默认为isset)
if (isset($tag['value'])) {
$varArray = explode('|',$tag['value']);
$name = array_shift($varArray);
$name = $this->autoBuildVar($name);
if (!empty($varArray))
$name = $this->tpl->parseVarFunction($name,$varArray);
else
$name = 'isset('.$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($attr,$content) {
return $this->_import($attr,$content,true);
}
// import别名使用 导入css文件 <css file="__PUBLIC__/Css/Base.css" />
public function _css($attr,$content) {
return $this->_import($attr,$content,true,'css');
}
// import别名使用 导入js文件 <js file="__PUBLIC__/Js/Base.js" />
public function _js($attr,$content) {
return $this->_import($attr,$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 string $attr 标签属性
* @param string $content 标签内容
* @return string
*/
public function _assign($attr,$content) {
$tag = $this->parseXmlAttr($attr,'assign');
$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 string $attr 标签属性
* @param string $content 标签内容
* @return string
*/
public function _define($attr,$content) {
$tag = $this->parseXmlAttr($attr,'define');
$name = '\''.$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 string $attr 标签属性
* @param string $content 标签内容
* @return string
*/
public function _for($attr, $content){
//设置默认值
$start = 0;
$end = 0;
$step = 1;
$comparison = 'lt';
$name = 'i';
$rand = rand(); //添加随机数，防止嵌套变量冲突
//获取属性
foreach ($this->parseXmlAttr($attr, 'for') 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;
}
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