thinkphp/library/think/template/taglib/Cx.php

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<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006-2016 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <liu21st@gmail.com>
// +----------------------------------------------------------------------

namespace think\template\taglib;

use think\template\TagLib;

/**
 * CX标签库解析类
 * @category   Think
 * @package  Think
 * @subpackage  Driver.Taglib
 * @author    liu21st <liu21st@gmail.com>
 */
class Cx extends Taglib
{

    // 标签定义
    protected $tags = [
        // 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'        => ['attr' => ''],
        'volist'     => ['attr' => 'name,id,offset,length,key,mod', 'alias' => 'iterate'],
        'foreach'    => ['attr' => 'name,id,item,key,offset,length,mod', 'expression' => true],
        'if'         => ['attr' => 'condition', 'expression' => true],
        'elseif'     => ['attr' => 'condition', 'close' => 0, 'expression' => true],
        'else'       => ['attr' => '', 'close' => 0],
        'switch'     => ['attr' => 'name', 'expression' => true],
        'case'       => ['attr' => 'value,break', 'expression' => true],
        'default'    => ['attr' => '', 'close' => 0],
        'compare'    => ['attr' => 'name,value,type', 'alias' => ['eq,equal,notequal,neq,gt,lt,egt,elt,heq,nheq', 'type']],
        'range'      => ['attr' => 'name,value,type', 'alias' => ['in,notin,between,notbetween', 'type']],
        'empty'      => ['attr' => 'name'],
        'notempty'   => ['attr' => 'name'],
        'present'    => ['attr' => 'name'],
        'notpresent' => ['attr' => 'name'],
        'defined'    => ['attr' => 'name'],
        'notdefined' => ['attr' => 'name'],
        'load'       => ['attr' => 'file,href,type,value,basepath', 'close' => 0, 'alias' => ['import,css,js', 'type']],
        'assign'     => ['attr' => 'name,value', 'close' => 0],
        'define'     => ['attr' => 'name,value', 'close' => 0],
        'for'        => ['attr' => 'start,end,name,comparison,step'],
        'url'        => ['attr' => 'link,vars,suffix,domain', 'close' => 0, 'expression' => true],
        'function'   => ['attr' => 'name,vars,use,call'],
    ];

    /**
     * php标签解析
     * 格式：
     * {php}echo $name{/php}
     * @access public
     * @param array $tag 标签属性
     * @param string $content 标签内容