<?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) 2006-2016 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\taglib;
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use think\template\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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{
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// 标签定义
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protected $tags = [
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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' => ['attr' => ''],
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'volist' => ['attr' => 'name,id,offset,length,key,mod', 'alias' => 'iterate'],
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'foreach' => ['attr' => 'name,id,item,key,offset,length,mod', 'expression' => true],
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'if' => ['attr' => 'condition', 'expression' => true],
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'elseif' => ['attr' => 'condition', 'close' => 0, 'expression' => true],
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'else' => ['attr' => '', 'close' => 0],
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'switch' => ['attr' => 'name', 'expression' => true],
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'case' => ['attr' => 'value,break', 'expression' => true],
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'default' => ['attr' => '', 'close' => 0],
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'compare' => ['attr' => 'name,value,type', 'alias' => ['eq,equal,notequal,neq,gt,lt,egt,elt,heq,nheq', 'type']],
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'range' => ['attr' => 'name,value,type', 'alias' => ['in,notin,between,notbetween', 'type']],
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'empty' => ['attr' => 'name'],
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'notempty' => ['attr' => 'name'],
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'present' => ['attr' => 'name'],
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'notpresent' => ['attr' => 'name'],
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'defined' => ['attr' => 'name'],
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'notdefined' => ['attr' => 'name'],
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'load' => ['attr' => 'file,href,type,value,basepath', 'close' => 0, 'alias' => ['import,css,js', 'type']],
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'assign' => ['attr' => 'name,value', 'close' => 0],
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'define' => ['attr' => 'name,value', 'close' => 0],
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'for' => ['attr' => 'start,end,name,comparison,step'],
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'url' => ['attr' => 'link,vars,suffix,domain', 'close' => 0, 'expression' => true],
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'function' => ['attr' => 'name,vars,use,call'],
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];
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/**
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* php标签解析
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* 格式：
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* {php}echo $name{/php}
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* @access public
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* @param array $tag 标签属性
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* @param string $content 标签内容
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* @return string
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*/
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public function tagPhp($tag, $content)
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{
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$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 $content 标签内容
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* @return string|void
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*/
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public function tagVolist($tag, $content)
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{
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$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']) ? $tag['mod'] : '2';
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$offset = !empty($tag['offset']) && is_numeric($tag['offset']) ? intval($tag['offset']) : 0;
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$length = !empty($tag['length']) && is_numeric($tag['length']) ? intval($tag['length']) : 'null';
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// 允许使用函数设定数据集 <volist name=":fun('arg')" id="vo">{$vo.name}</volist>
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$parseStr = '<?php ';
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$flag = substr($name, 0, 1);
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if (':' == $flag) {
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$name = $this->autoBuildVar($name);
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$parseStr .= '$_result=' . $name . ';';
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$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 . ') || ' . $name . ' instanceof \think\Collection || ' . $name . ' instanceof \think\Paginator): $' . $key . ' = 0;';
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// 设置了输出数组长度
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if (0 != $offset || 'null' != $length) {
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$parseStr .= '$__LIST__ = is_array(' . $name . ') ? array_slice(' . $name . ',' . $offset . ',' . $length . ', true) : ' . $name . '->slice(' . $offset . ',' . $length . ', true); ';
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} else {
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$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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* 格式：
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* {foreach name="userList" id="user" key="key" index="i" mod="2" offset="3" length="5" empty=""}
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* {user.username}
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* {/foreach}
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* @access public
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* @param array $tag 标签属性
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* @param string $content 标签内容
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* @return string|void
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*/
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public function tagForeach($tag, $content)
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{
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// 直接使用表达式
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if (!empty($tag['expression'])) {
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$expression = ltrim(rtrim($tag['expression'], ')'), '(');
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$expression = $this->autoBuildVar($expression);
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$parseStr = '<?php foreach(' . $expression . '): ?>';
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$parseStr .= $content;
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$parseStr .= '<?php endforeach; ?>';
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return $parseStr;
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}
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$name = $tag['name'];
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$key = !empty($tag['key']) ? $tag['key'] : 'key';
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$item = !empty($tag['id']) ? $tag['id'] : $tag['item'];
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$empty = isset($tag['empty']) ? $tag['empty'] : '';
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$offset = !empty($tag['offset']) && is_numeric($tag['offset']) ? intval($tag['offset']) : 0;
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$length = !empty($tag['length']) && is_numeric($tag['length']) ? intval($tag['length']) : 'null';
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$parseStr = '<?php ';
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// 支持用函数传数组
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if (':' == substr($name, 0, 1)) {
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$var = '$_' . uniqid();
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$name = $this->autoBuildVar($name);
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$parseStr .= $var . '=' . $name . '; ';
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$name = $var;
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} else {
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$name = $this->autoBuildVar($name);
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}
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$parseStr .= 'if(is_array(' . $name . ') || ' . $name . ' instanceof \think\Collection || ' . $name . ' instanceof \think\Paginator): ';
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// 设置了输出数组长度
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if (0 != $offset || 'null' != $length) {
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if (!isset($var)) {
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$var = '$_' . uniqid();
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}
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$parseStr .= $var . ' = is_array(' . $name . ') ? array_slice(' . $name . ',' . $offset . ',' . $length . ', true) : ' . $name . '->slice(' . $offset . ',' . $length . ', true); ';
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} else {
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$var = &$name;
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}
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$parseStr .= 'if( count(' . $var . ')==0 ) : echo "' . $empty . '" ;';
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$parseStr .= 'else: ';
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// 设置了索引项
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if (isset($tag['index'])) {
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$index = $tag['index'];
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$parseStr .= '$' . $index . '=0; ';
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}
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$parseStr .= 'foreach(' . $var . ' as $' . $key . '=>$' . $item . '): ';
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// 设置了索引项
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if (isset($tag['index'])) {
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$index = $tag['index'];
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if (isset($tag['mod'])) {
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$mod = (int) $tag['mod'];
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$parseStr .= '$mod = ($' . $index . ' % ' . $mod . '); ';
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}
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$parseStr .= '++$' . $index . '; ';
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}
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$parseStr .= '?>';
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// 循环体中的内容
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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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* 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 $content 标签内容
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* @return string
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*/
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public function tagIf($tag, $content)
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{
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$condition = !empty($tag['expression']) ? $tag['expression'] : $tag['condition'];
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$condition = $this->parseCondition($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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* elseif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 $content 标签内容
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* @return string
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*/
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public function tagElseif($tag, $content)
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{
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$condition = !empty($tag['expression']) ? $tag['expression'] : $tag['condition'];
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$condition = $this->parseCondition($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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* 格式：见if标签
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* @access public
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* @param array $tag 标签属性
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* @return string
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*/
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public function tagElse($tag)
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{
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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 $content 标签内容
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* @return string
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*/
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public function tagSwitch($tag, $content)
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{
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$name = !empty($tag['expression']) ? $tag['expression'] : $tag['name'];
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$name = $this->autoBuildVar($name);
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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 $content 标签内容
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* @return string
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*/
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public function tagCase($tag, $content)
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{
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$value = isset($tag['expression']) ? $tag['expression'] : $tag['value'];
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$flag = substr($value, 0, 1);
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if ('$' == $flag || ':' == $flag) {
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$value = $this->autoBuildVar($value);
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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 $content 标签内容
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* @return string
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*/
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public function tagDefault($tag)
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{
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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 $content 标签内容
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* @return string
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*/
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public function tagCompare($tag, $content)
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{
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$name = $tag['name'];
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$value = $tag['value'];
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$type = isset($tag['type']) ? $tag['type'] : 'eq'; // 比较类型
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$name = $this->autoBuildVar($name);
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$flag = substr($value, 0, 1);
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if ('$' == $flag || ':' == $flag) {
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$value = $this->autoBuildVar($value);
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} else {
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$value = '\'' . $value . '\'';
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}
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switch ($type) {
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case 'equal':
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$type = 'eq';
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break;
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case 'notequal':
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$type = 'neq';
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break;
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}
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$type = $this->parseCondition(' ' . $type . ' ');
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$parseStr = '<?php if(' . $name . ' ' . $type . ' ' . $value . '): ?>' . $content . '<?php endif; ?>';
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return $parseStr;
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}
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/**
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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 $content 标签内容
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* @return string
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*/
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public function tagRange($tag, $content)
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{
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$name = $tag['name'];
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$value = $tag['value'];
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$type = isset($tag['type']) ? $tag['type'] : 'in'; // 比较类型
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$name = $this->autoBuildVar($name);
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$flag = substr($value, 0, 1);
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if ('$' == $flag || ':' == $flag) {
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$value = $this->autoBuildVar($value);
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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 ('between' == $type) {
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$parseStr = '<?php $_RANGE_VAR_=' . $str . ';if(' . $name . '>= $_RANGE_VAR_[0] && ' . $name . '<= $_RANGE_VAR_[1]):?>' . $content . '<?php endif; ?>';
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} elseif ('notbetween' == $type) {
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$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 = ('in' == $type) ? 'in_array' : '!in_array';
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$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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/**
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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 $content 标签内容
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* @return string
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*/
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public function tagPresent($tag, $content)
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{
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$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 $content 标签内容
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* @return string
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*/
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public function tagNotpresent($tag, $content)
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{
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$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 $content 标签内容
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* @return string
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*/
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public function tagEmpty($tag, $content)
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{
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$name = $tag['name'];
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$name = $this->autoBuildVar($name);
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$parseStr = '<?php if(empty(' . $name . ') || ((' . $name . ' instanceof \think\Collection || ' . $name . ' instanceof \think\Paginator ) && ' . $name . '->isEmpty())): ?>' . $content . '<?php endif; ?>';
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return $parseStr;
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}
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/**
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* notempty标签解析
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* 如果某个变量不为empty 则输出内容
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* 格式： {notempty name="" }content{/notempty}
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* @access public
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* @param array $tag 标签属性
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* @param string $content 标签内容
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* @return string
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*/
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public function tagNotempty($tag, $content)
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{
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$name = $tag['name'];
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$name = $this->autoBuildVar($name);
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$parseStr = '<?php if(!(empty(' . $name . ') || ((' . $name . ' instanceof \think\Collection || ' . $name . ' instanceof \think\Paginator ) && ' . $name . '->isEmpty()))): ?>' . $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 array $tag
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* @param string $content
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* @return string
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*/
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public function tagDefined($tag, $content)
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{
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$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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* 判断是否没有定义了该常量
|
* {notdefined name='TXT'}已定义{/notdefined}
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* @param array $tag
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* @param string $content
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* @return string
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*/
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public function tagNotdefined($tag, $content)
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{
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$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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* load 标签解析 {load file="/static/js/base.js" /}
|
* 格式：{load file="/static/css/base.css" /}
|
* @access public
|
* @param array $tag 标签属性
|
* @param string $content 标签内容
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* @return string
|
*/
|
public function tagLoad($tag, $content)
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{
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$file = isset($tag['file']) ? $tag['file'] : $tag['href'];
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$type = isset($tag['type']) ? strtolower($tag['type']) : '';
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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($tag['value'])) {
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$name = $tag['value'];
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$name = $this->autoBuildVar($name);
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$name = 'isset(' . $name . ')';
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$parseStr .= '<?php if(' . $name . '): ?>';
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$endStr = '<?php endif; ?>';
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}
|
|
// 文件方式导入
|
$array = explode(',', $file);
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foreach ($array as $val) {
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$type = strtolower(substr(strrchr($val, '.'), 1));
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switch ($type) {
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case 'js':
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$parseStr .= '<script type="text/javascript" src="' . $val . '"></script>';
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break;
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case 'css':
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$parseStr .= '<link rel="stylesheet" type="text/css" href="' . $val . '" />';
|
break;
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case 'php':
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$parseStr .= '<?php include "' . $val . '"; ?>';
|
break;
|
}
|
}
|
return $parseStr . $endStr;
|
}
|
|
/**
|
* 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 $content 标签内容
|
* @return string
|
*/
|
public function tagAssign($tag, $content)
|
{
|
$name = $this->autoBuildVar($tag['name']);
|
$flag = substr($tag['value'], 0, 1);
|
if ('$' == $flag || ':' == $flag) {
|
$value = $this->autoBuildVar($tag['value']);
|
} 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 $content 标签内容
|
* @return string
|
*/
|
public function tagDefine($tag, $content)
|
{
|
$name = '\'' . $tag['name'] . '\'';
|
$flag = substr($tag['value'], 0, 1);
|
if ('$' == $flag || ':' == $flag) {
|
$value = $this->autoBuildVar($tag['value']);
|
} else {
|
$value = '\'' . $tag['value'] . '\'';
|
}
|
$parseStr = '<?php define(' . $name . ', ' . $value . '); ?>';
|
return $parseStr;
|
}
|
|
/**
|
* for标签解析
|
* 格式：
|
* {for start="" end="" comparison="" step="" name=""}
|
* content
|
* {/for}
|
* @access public
|
* @param array $tag 标签属性
|
* @param string $content 标签内容
|
* @return string
|
*/
|
public function tagFor($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);
|
$flag = substr($value, 0, 1);
|
if ('$' == $flag || ':' == $flag) {
|
$value = $this->autoBuildVar($value);
|
}
|
|
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;
|
}
|
|
/**
|
* url函数的tag标签
|
* 格式：{url link="模块/控制器/方法" vars="参数" suffix="true或者false 是否带有后缀" domain="true或者false 是否携带域名" /}
|
* @access public
|
* @param array $tag 标签属性
|
* @param string $content 标签内容
|
* @return string
|
*/
|
public function tagUrl($tag, $content)
|
{
|
$url = isset($tag['link']) ? $tag['link'] : '';
|
$vars = isset($tag['vars']) ? $tag['vars'] : '';
|
$suffix = isset($tag['suffix']) ? $tag['suffix'] : 'true';
|
$domain = isset($tag['domain']) ? $tag['domain'] : 'false';
|
return '<?php echo url("' . $url . '","' . $vars . '",' . $suffix . ',' . $domain . ');?>';
|
}
|
|
/**
|
* function标签解析 匿名函数，可实现递归
|
* 使用：
|
* {function name="func" vars="$data" call="$list" use="&$a,&$b"}
|
* {if is_array($data)}
|
* {foreach $data as $val}
|
* {~func($val) /}
|
* {/foreach}
|
* {else /}
|
* {$data}
|
* {/if}
|
* {/function}
|
* @access public
|
* @param array $tag 标签属性
|
* @param string $content 标签内容
|
* @return string
|
*/
|
public function tagFunction($tag, $content)
|
{
|
$name = !empty($tag['name']) ? $tag['name'] : 'func';
|
$vars = !empty($tag['vars']) ? $tag['vars'] : '';
|
$call = !empty($tag['call']) ? $tag['call'] : '';
|
$use = ['&$' . $name];
|
if (!empty($tag['use'])) {
|
foreach (explode(',', $tag['use']) as $val) {
|
$use[] = '&' . ltrim(trim($val), '&');
|
}
|
}
|
$parseStr = '<?php $' . $name . '=function(' . $vars . ') use(' . implode(',', $use) . ') {';
|
$parseStr .= ' ?>' . $content . '<?php }; ';
|
$parseStr .= $call ? '$' . $name . '(' . $call . '); ?>' : '?>';
|
return $parseStr;
|
}
|
}
|
