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:  * @package Nette\Latte
 7:  */
 8: 
 9: 
10: 
11: /**
12:  * Macro tag tokenizer.
13:  *
14:  * @author     David Grudl
15:  * @package Nette\Latte
16:  */
17: class NMacroTokenizer extends NTokenizer
18: {
19:     const T_WHITESPACE = 1,
20:         T_COMMENT = 2,
21:         T_SYMBOL = 3,
22:         T_NUMBER = 4,
23:         T_VARIABLE = 5,
24:         T_STRING = 6,
25:         T_CAST = 7,
26:         T_KEYWORD = 8,
27:         T_CHAR = 9;
28: 
29: 
30:     public function __construct($input)
31:     {
32:         parent::__construct(array(
33:             self::T_WHITESPACE => '\s+',
34:             self::T_COMMENT => '(?s)/\*.*?\*/',
35:             self::T_STRING => NParser::RE_STRING,
36:             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
37:             self::T_CAST => '\((?:expand|string|array|int|integer|float|bool|boolean|object)\)', // type casting
38:             self::T_VARIABLE => '\$[\w\pL_]+',
39:             self::T_NUMBER => '[+-]?[0-9]+(?:\.[0-9]+)?(?:e[0-9]+)?',
40:             self::T_SYMBOL => '[\w\pL_]+(?:-[\w\pL_]+)*',
41:             self::T_CHAR => '::|=>|->|\+\+|--|<<|>>|<=|>=|===|!==|==|!=|<>|&&|\|\||[^"\']', // =>, any char except quotes
42:         ), 'u');
43:         $this->ignored = array(self::T_COMMENT, self::T_WHITESPACE);
44:         $this->tokenize($input);
45:     }
46: 
47: 
48:     /**
49:      * Reads single token (optionally delimited by comma) from string.
50:      * @param  string
51:      * @return string
52:      */
53:     public function fetchWord()
54:     {
55:         $word = $this->fetchUntil(self::T_WHITESPACE, ',');
56:         $this->fetch(',');
57:         $this->fetchAll(self::T_WHITESPACE, self::T_COMMENT);
58:         return $word;
59:     }
60: 
61: }
62: