|
1
|
|
|
<?php |
|
2
|
|
|
namespace TYPO3Fluid\Fluid\Core\Parser\SyntaxTree; |
|
3
|
|
|
|
|
4
|
|
|
/* |
|
5
|
|
|
* This file belongs to the package "TYPO3 Fluid". |
|
6
|
|
|
* See LICENSE.txt that was shipped with this package. |
|
7
|
|
|
*/ |
|
8
|
|
|
|
|
9
|
|
|
use TYPO3Fluid\Fluid\Core\Parser; |
|
10
|
|
|
use TYPO3Fluid\Fluid\Core\Rendering\RenderingContextInterface; |
|
11
|
|
|
|
|
12
|
|
|
/** |
|
13
|
|
|
* Abstract node in the syntax tree which has been built. |
|
14
|
|
|
*/ |
|
15
|
|
|
abstract class AbstractNode implements NodeInterface |
|
16
|
|
|
{ |
|
17
|
|
|
|
|
18
|
|
|
/** |
|
19
|
|
|
* List of Child Nodes. |
|
20
|
|
|
* |
|
21
|
|
|
* @var NodeInterface[] |
|
22
|
|
|
*/ |
|
23
|
|
|
protected $childNodes = []; |
|
24
|
|
|
|
|
25
|
|
|
/** |
|
26
|
|
|
* @var boolean |
|
27
|
|
|
*/ |
|
28
|
|
|
protected $escapeOutput = false; |
|
29
|
|
|
|
|
30
|
|
|
/** |
|
31
|
|
|
* Evaluate all child nodes and return the evaluated results. |
|
32
|
|
|
* |
|
33
|
|
|
* @param RenderingContextInterface $renderingContext |
|
34
|
|
|
* @return mixed Normally, an object is returned - in case it is concatenated with a string, a string is returned. |
|
35
|
|
|
* @throws Parser\Exception |
|
36
|
|
|
*/ |
|
37
|
|
|
public function evaluateChildNodes(RenderingContextInterface $renderingContext) |
|
38
|
|
|
{ |
|
39
|
|
|
$numberOfChildNodes = count($this->childNodes); |
|
40
|
|
|
if ($numberOfChildNodes === 0) { |
|
41
|
|
|
return null; |
|
42
|
|
|
} |
|
43
|
|
|
if ($numberOfChildNodes === 1) { |
|
44
|
|
|
return $this->evaluateChildNode($this->childNodes[0], $renderingContext, false); |
|
45
|
|
|
} |
|
46
|
|
|
$output = ''; |
|
47
|
|
|
/** @var $subNode NodeInterface */ |
|
48
|
|
|
foreach ($this->childNodes as $subNode) { |
|
49
|
|
|
$output .= $this->evaluateChildNode($subNode, $renderingContext, true); |
|
50
|
|
|
} |
|
51
|
|
|
return $output; |
|
52
|
|
|
} |
|
53
|
|
|
|
|
54
|
|
|
/** |
|
55
|
|
|
* @param NodeInterface $node |
|
56
|
|
|
* @param RenderingContextInterface $renderingContext |
|
57
|
|
|
* @param boolean $cast |
|
58
|
|
|
* @return mixed |
|
59
|
|
|
*/ |
|
60
|
|
|
protected function evaluateChildNode(NodeInterface $node, RenderingContextInterface $renderingContext, $cast) |
|
61
|
|
|
{ |
|
62
|
|
|
$output = $node->evaluate($renderingContext); |
|
63
|
|
|
if ($cast && is_object($output)) { |
|
64
|
|
|
if (!method_exists($output, '__toString')) { |
|
65
|
|
|
throw new Parser\Exception('Cannot cast object of type "' . get_class($output) . '" to string.', 1273753083); |
|
66
|
|
|
} |
|
67
|
|
|
$output = (string) $output; |
|
68
|
|
|
} |
|
69
|
|
|
if ($cast && is_array($output)) { |
|
70
|
|
|
$output = 'Array'; |
|
71
|
|
|
} |
|
72
|
|
|
return $output; |
|
73
|
|
|
} |
|
74
|
|
|
|
|
75
|
|
|
/** |
|
76
|
|
|
* Returns all child nodes for a given node. |
|
77
|
|
|
* This is especially needed to implement the boolean expression language. |
|
78
|
|
|
* |
|
79
|
|
|
* @return NodeInterface[] A list of nodes |
|
80
|
|
|
*/ |
|
81
|
|
|
public function getChildNodes() |
|
82
|
|
|
{ |
|
83
|
|
|
return $this->childNodes; |
|
84
|
|
|
} |
|
85
|
|
|
|
|
86
|
|
|
/** |
|
87
|
|
|
* Appends a sub node to this node. Is used inside the parser to append children |
|
88
|
|
|
* |
|
89
|
|
|
* @param NodeInterface $childNode The sub node to add |
|
90
|
|
|
* @return void |
|
91
|
|
|
*/ |
|
92
|
|
|
public function addChildNode(NodeInterface $childNode) |
|
93
|
|
|
{ |
|
94
|
|
|
$this->childNodes[] = $childNode; |
|
95
|
|
|
} |
|
96
|
|
|
|
|
97
|
|
|
/** |
|
98
|
|
|
* Specifies, if this node's output should be escaped |
|
99
|
|
|
* |
|
100
|
|
|
* @return bool |
|
101
|
|
|
*/ |
|
102
|
|
|
public function isEscapeOutputEnabled() |
|
103
|
|
|
{ |
|
104
|
|
|
return $this->escapeOutput; |
|
105
|
|
|
} |
|
106
|
|
|
|
|
107
|
|
|
/** |
|
108
|
|
|
* @param bool $escapeOutput |
|
109
|
|
|
*/ |
|
110
|
|
|
public function setEscapeOutput($escapeOutput) |
|
111
|
|
|
{ |
|
112
|
|
|
$this->escapeOutput = $escapeOutput; |
|
113
|
|
|
} |
|
114
|
|
|
|
|
115
|
|
|
} |
|
116
|
|
|
|
TYPO3 /
Fluid
