ThinkPHP/Library/Vendor/Smarty/sysplugins/smarty_internal_templateparser.php

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<?php
/**
* Smarty Internal Plugin Templateparser
*
* This is the template parser.
* It is generated from the internal.templateparser.y file
* @package Smarty
* @subpackage Compiler
* @author Uwe Tews
*/

class TP_yyToken implements ArrayAccess
{
    public $string = '';
    public $metadata = array();

    function __construct($s, $m = array())
    {
        if ($s instanceof TP_yyToken) {
            $this->string = $s->string;
            $this->metadata = $s->metadata;
        } else {
            $this->string = (string) $s;
            if ($m instanceof TP_yyToken) {
                $this->metadata = $m->metadata;
            } elseif (is_array($m)) {
                $this->metadata = $m;
            }
        }
    }

    function __toString()
    {
        return $this->_string;
    }

    function offsetExists($offset)
    {
        return isset($this->metadata[$offset]);
    }

    function offsetGet($offset)
    {
        return $this->metadata[$offset];
    }

    function offsetSet($offset, $value)
    {
        if ($offset === null) {
            if (isset($value[0])) {
                $x = ($value instanceof TP_yyToken) ?
                    $value->metadata : $value;
                $this->metadata = array_merge($this->metadata, $x);
                return;
            }
            $offset = count($this->metadata);
        }
        if ($value === null) {
            return;
        }