diff options
Diffstat (limited to 'inc/3rdparty/Twig/Extensions/SimpleTokenParser.php')
-rw-r--r-- | inc/3rdparty/Twig/Extensions/SimpleTokenParser.php | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/inc/3rdparty/Twig/Extensions/SimpleTokenParser.php b/inc/3rdparty/Twig/Extensions/SimpleTokenParser.php new file mode 100644 index 00000000..49546487 --- /dev/null +++ b/inc/3rdparty/Twig/Extensions/SimpleTokenParser.php | |||
@@ -0,0 +1,132 @@ | |||
1 | <?php | ||
2 | |||
3 | /* | ||
4 | * This file is part of Twig. | ||
5 | * | ||
6 | * (c) 2010 Fabien Potencier | ||
7 | * | ||
8 | * For the full copyright and license information, please view the LICENSE | ||
9 | * file that was distributed with this source code. | ||
10 | */ | ||
11 | abstract class Twig_Extensions_SimpleTokenParser extends Twig_TokenParser | ||
12 | { | ||
13 | /** | ||
14 | * Parses a token and returns a node. | ||
15 | * | ||
16 | * @param Twig_Token $token A Twig_Token instance | ||
17 | * | ||
18 | * @return Twig_NodeInterface A Twig_NodeInterface instance | ||
19 | */ | ||
20 | public function parse(Twig_Token $token) | ||
21 | { | ||
22 | $grammar = $this->getGrammar(); | ||
23 | if (!is_object($grammar)) { | ||
24 | $grammar = self::parseGrammar($grammar); | ||
25 | } | ||
26 | |||
27 | $grammar->setParser($this->parser); | ||
28 | $values = $grammar->parse($token); | ||
29 | |||
30 | return $this->getNode($values, $token->getLine()); | ||
31 | } | ||
32 | |||
33 | /** | ||
34 | * Gets the grammar as an object or as a string. | ||
35 | * | ||
36 | * @return string|Twig_Extensions_Grammar A Twig_Extensions_Grammar instance or a string | ||
37 | */ | ||
38 | abstract protected function getGrammar(); | ||
39 | |||
40 | /** | ||
41 | * Gets the nodes based on the parsed values. | ||
42 | * | ||
43 | * @param array $values An array of values | ||
44 | * @param integer $line The parser line | ||
45 | */ | ||
46 | abstract protected function getNode(array $values, $line); | ||
47 | |||
48 | protected function getAttribute($node, $attribute, $arguments = array(), $type = Twig_Node_Expression_GetAttr::TYPE_ANY, $line = -1) | ||
49 | { | ||
50 | return new Twig_Node_Expression_GetAttr( | ||
51 | $node instanceof Twig_NodeInterface ? $node : new Twig_Node_Expression_Name($node, $line), | ||
52 | $attribute instanceof Twig_NodeInterface ? $attribute : new Twig_Node_Expression_Constant($attribute, $line), | ||
53 | $arguments instanceof Twig_NodeInterface ? $arguments : new Twig_Node($arguments), | ||
54 | $type, | ||
55 | $line | ||
56 | ); | ||
57 | } | ||
58 | |||
59 | protected function call($node, $attribute, $arguments = array(), $line = -1) | ||
60 | { | ||
61 | return $this->getAttribute($node, $attribute, $arguments, Twig_Node_Expression_GetAttr::TYPE_METHOD, $line); | ||
62 | } | ||
63 | |||
64 | protected function markAsSafe(Twig_NodeInterface $node, $line = -1) | ||
65 | { | ||
66 | return new Twig_Node_Expression_Filter( | ||
67 | $node, | ||
68 | new Twig_Node_Expression_Constant('raw', $line), | ||
69 | new Twig_Node(), | ||
70 | $line | ||
71 | ); | ||
72 | } | ||
73 | |||
74 | protected function output(Twig_NodeInterface $node, $line = -1) | ||
75 | { | ||
76 | return new Twig_Node_Print($node, $line); | ||
77 | } | ||
78 | |||
79 | protected function getNodeValues(array $values) | ||
80 | { | ||
81 | $nodes = array(); | ||
82 | foreach ($values as $value) { | ||
83 | if ($value instanceof Twig_NodeInterface) { | ||
84 | $nodes[] = $value; | ||
85 | } | ||
86 | } | ||
87 | |||
88 | return $nodes; | ||
89 | } | ||
90 | |||
91 | static public function parseGrammar($str, $main = true) | ||
92 | { | ||
93 | static $cursor; | ||
94 | |||
95 | if (true === $main) { | ||
96 | $cursor = 0; | ||
97 | $grammar = new Twig_Extensions_Grammar_Tag(); | ||
98 | } else { | ||
99 | $grammar = new Twig_Extensions_Grammar_Optional(); | ||
100 | } | ||
101 | |||
102 | while ($cursor < strlen($str)) { | ||
103 | if (preg_match('/\s+/A', $str, $match, null, $cursor)) { | ||
104 | $cursor += strlen($match[0]); | ||
105 | } elseif (preg_match('/<(\w+)(?:\:(\w+))?>/A', $str, $match, null, $cursor)) { | ||
106 | $class = sprintf('Twig_Extensions_Grammar_%s', ucfirst(isset($match[2]) ? $match[2] : 'Expression')); | ||
107 | if (!class_exists($class)) { | ||
108 | throw new Twig_Error_Runtime(sprintf('Unable to understand "%s" in grammar (%s class does not exist)', $match[0], $class)); | ||
109 | } | ||
110 | $grammar->addGrammar(new $class($match[1])); | ||
111 | $cursor += strlen($match[0]); | ||
112 | } elseif (preg_match('/\w+/A', $str, $match, null, $cursor)) { | ||
113 | $grammar->addGrammar(new Twig_Extensions_Grammar_Constant($match[0])); | ||
114 | $cursor += strlen($match[0]); | ||
115 | } elseif (preg_match('/,/A', $str, $match, null, $cursor)) { | ||
116 | $grammar->addGrammar(new Twig_Extensions_Grammar_Constant($match[0], Twig_Token::PUNCTUATION_TYPE)); | ||
117 | $cursor += strlen($match[0]); | ||
118 | } elseif (preg_match('/\[/A', $str, $match, null, $cursor)) { | ||
119 | $cursor += strlen($match[0]); | ||
120 | $grammar->addGrammar(self::parseGrammar($str, false)); | ||
121 | } elseif (true !== $main && preg_match('/\]/A', $str, $match, null, $cursor)) { | ||
122 | $cursor += strlen($match[0]); | ||
123 | |||
124 | return $grammar; | ||
125 | } else { | ||
126 | throw new Twig_Error_Runtime(sprintf('Unable to parse grammar "%s" near "...%s..."', $str, substr($str, $cursor, 10))); | ||
127 | } | ||
128 | } | ||
129 | |||
130 | return $grammar; | ||
131 | } | ||
132 | } | ||