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authorNicolas LÅ“uillet <nicolas.loeuillet@gmail.com>2013-08-02 22:40:51 +0200
committerNicolas LÅ“uillet <nicolas.loeuillet@gmail.com>2013-08-02 22:40:51 +0200
commita4565e88edbc8e3bd092a475469769c86a4c350c (patch)
treea6a3c935b03a23ff87575c8c315cf8ba78fe68c2 /inc/Twig/Loader/Chain.php
parentf6c9baab3efeec1d0efa151e276fc08d5b58f9e9 (diff)
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add Twig & refactor poche
Diffstat (limited to 'inc/Twig/Loader/Chain.php')
-rw-r--r--inc/Twig/Loader/Chain.php139
1 files changed, 139 insertions, 0 deletions
diff --git a/inc/Twig/Loader/Chain.php b/inc/Twig/Loader/Chain.php
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1<?php
2
3/*
4 * This file is part of Twig.
5 *
6 * (c) 2011 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
12/**
13 * Loads templates from other loaders.
14 *
15 * @author Fabien Potencier <fabien@symfony.com>
16 */
17class Twig_Loader_Chain implements Twig_LoaderInterface, Twig_ExistsLoaderInterface
18{
19 private $hasSourceCache = array();
20 protected $loaders;
21
22 /**
23 * Constructor.
24 *
25 * @param Twig_LoaderInterface[] $loaders An array of loader instances
26 */
27 public function __construct(array $loaders = array())
28 {
29 $this->loaders = array();
30 foreach ($loaders as $loader) {
31 $this->addLoader($loader);
32 }
33 }
34
35 /**
36 * Adds a loader instance.
37 *
38 * @param Twig_LoaderInterface $loader A Loader instance
39 */
40 public function addLoader(Twig_LoaderInterface $loader)
41 {
42 $this->loaders[] = $loader;
43 $this->hasSourceCache = array();
44 }
45
46 /**
47 * {@inheritdoc}
48 */
49 public function getSource($name)
50 {
51 $exceptions = array();
52 foreach ($this->loaders as $loader) {
53 if ($loader instanceof Twig_ExistsLoaderInterface && !$loader->exists($name)) {
54 continue;
55 }
56
57 try {
58 return $loader->getSource($name);
59 } catch (Twig_Error_Loader $e) {
60 $exceptions[] = $e->getMessage();
61 }
62 }
63
64 throw new Twig_Error_Loader(sprintf('Template "%s" is not defined (%s).', $name, implode(', ', $exceptions)));
65 }
66
67 /**
68 * {@inheritdoc}
69 */
70 public function exists($name)
71 {
72 $name = (string) $name;
73
74 if (isset($this->hasSourceCache[$name])) {
75 return $this->hasSourceCache[$name];
76 }
77
78 foreach ($this->loaders as $loader) {
79 if ($loader instanceof Twig_ExistsLoaderInterface) {
80 if ($loader->exists($name)) {
81 return $this->hasSourceCache[$name] = true;
82 }
83
84 continue;
85 }
86
87 try {
88 $loader->getSource($name);
89
90 return $this->hasSourceCache[$name] = true;
91 } catch (Twig_Error_Loader $e) {
92 }
93 }
94
95 return $this->hasSourceCache[$name] = false;
96 }
97
98 /**
99 * {@inheritdoc}
100 */
101 public function getCacheKey($name)
102 {
103 $exceptions = array();
104 foreach ($this->loaders as $loader) {
105 if ($loader instanceof Twig_ExistsLoaderInterface && !$loader->exists($name)) {
106 continue;
107 }
108
109 try {
110 return $loader->getCacheKey($name);
111 } catch (Twig_Error_Loader $e) {
112 $exceptions[] = get_class($loader).': '.$e->getMessage();
113 }
114 }
115
116 throw new Twig_Error_Loader(sprintf('Template "%s" is not defined (%s).', $name, implode(' ', $exceptions)));
117 }
118
119 /**
120 * {@inheritdoc}
121 */
122 public function isFresh($name, $time)
123 {
124 $exceptions = array();
125 foreach ($this->loaders as $loader) {
126 if ($loader instanceof Twig_ExistsLoaderInterface && !$loader->exists($name)) {
127 continue;
128 }
129
130 try {
131 return $loader->isFresh($name, $time);
132 } catch (Twig_Error_Loader $e) {
133 $exceptions[] = get_class($loader).': '.$e->getMessage();
134 }
135 }
136
137 throw new Twig_Error_Loader(sprintf('Template "%s" is not defined (%s).', $name, implode(' ', $exceptions)));
138 }
139}