1: <?php
 2: 
 3: /**
 4:  * This file is part of the Nette Framework (https://nette.org)
 5:  * Copyright (c) 2004 David Grudl (http://davidgrudl.com)
 6:  */
 7: 
 8: namespace Nette\Latte;
 9: 
10: use Nette;
11: 
12: 
13: /**
14:  * Macro tag tokenizer.
15:  *
16:  * @author     David Grudl
17:  */
18: class MacroTokenizer extends Nette\Utils\Tokenizer
19: {
20:     const T_WHITESPACE = 1,
21:         T_COMMENT = 2,
22:         T_SYMBOL = 3,
23:         T_NUMBER = 4,
24:         T_VARIABLE = 5,
25:         T_STRING = 6,
26:         T_CAST = 7,
27:         T_KEYWORD = 8,
28:         T_CHAR = 9;
29: 
30: 
31:     public function __construct($input)
32:     {
33:         parent::__construct(array(
34:             self::T_WHITESPACE => '\s+',
35:             self::T_COMMENT => '(?s)/\*.*?\*/',
36:             self::T_STRING => Parser::RE_STRING,
37:             self::T_KEYWORD => '(?:true|false|null|and|or|xor|clone|new|instanceof|return|continue|break|endif|endforeach|endwhile|endswitch|[A-Z_][A-Z0-9_]{2,})(?![\w\pL_])', // keyword or const
38:             self::T_CAST => '\((?:expand|string|array|int|integer|float|bool|boolean|object)\)', // type casting
39:             self::T_VARIABLE => '\$[\w\pL_]+',
40:             self::T_NUMBER => '[+-]?[0-9]+(?:\.[0-9]+)?(?:e[0-9]+)?',
41:             self::T_SYMBOL => '[\w\pL_]+(?:-[\w\pL_]+)*',
42:             self::T_CHAR => '::|=>|->|\+\+|--|<<|>>|<=|>=|===|!==|==|!=|<>|&&|\|\||[^"\']', // =>, any char except quotes
43:         ), 'u');
44:         $this->ignored = array(self::T_COMMENT, self::T_WHITESPACE);
45:         $this->tokenize($input);
46:     }
47: 
48: 
49:     /**
50:      * Reads single token (optionally delimited by comma) from string.
51:      * @param  string
52:      * @return string
53:      */
54:     public function fetchWord()
55:     {
56:         $word = $this->fetchUntil(self::T_WHITESPACE, ',');
57:         $this->fetch(',');
58:         $this->fetchAll(self::T_WHITESPACE, self::T_COMMENT);
59:         return $word;
60:     }
61: 
62: }
63: