|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* Copyright (c) 2013-2017 |
|
4
|
|
|
* |
|
5
|
|
|
* @category Library |
|
6
|
|
|
* @package Dwoo\Plugins\Functions |
|
7
|
|
|
* @author Jordi Boggiano <[email protected]> |
|
8
|
|
|
* @author David Sanchez <[email protected]> |
|
9
|
|
|
* @copyright 2008-2013 Jordi Boggiano |
|
10
|
|
|
* @copyright 2013-2017 David Sanchez |
|
11
|
|
|
* @license http://dwoo.org/LICENSE LGPLv3 |
|
12
|
|
|
* @version 1.3.6 |
|
13
|
|
|
* @date 2017-03-21 |
|
14
|
|
|
* @link http://dwoo.org/ |
|
15
|
|
|
*/ |
|
16
|
|
|
|
|
17
|
|
|
namespace Dwoo\Plugins\Functions; |
|
18
|
|
|
|
|
19
|
|
|
use Dwoo\Compiler; |
|
20
|
|
|
use Dwoo\ICompilable; |
|
21
|
|
|
use Dwoo\Plugin; |
|
22
|
|
|
use Dwoo\Exception as Exception; |
|
23
|
|
|
use Dwoo\Security\Exception as SecurityException; |
|
24
|
|
|
use Dwoo\Compilation\Exception as CompilationException; |
|
25
|
|
|
|
|
26
|
|
|
/** |
|
27
|
|
|
* Extends another template, read more about template inheritance at {@link |
|
28
|
|
|
* http://wiki.dwoo.org/index.php/TemplateInheritance} |
|
29
|
|
|
* <pre> |
|
30
|
|
|
* * file : the template to extend |
|
31
|
|
|
* </pre> |
|
32
|
|
|
* This software is provided 'as-is', without any express or implied warranty. |
|
33
|
|
|
* In no event will the authors be held liable for any damages arising from the use of this software. |
|
34
|
|
|
*/ |
|
35
|
|
|
class PluginExtends extends Plugin implements ICompilable |
|
36
|
|
|
{ |
|
37
|
|
|
protected static $childSource; |
|
38
|
|
|
protected static $regex; |
|
39
|
|
|
protected static $l; |
|
40
|
|
|
protected static $r; |
|
41
|
|
|
protected static $lastReplacement; |
|
42
|
|
|
|
|
43
|
|
|
public function process() |
|
44
|
|
|
{ |
|
45
|
|
|
} |
|
46
|
|
|
|
|
47
|
|
|
/** |
|
48
|
|
|
* @param Compiler $compiler |
|
49
|
|
|
* @param $file |
|
50
|
|
|
* |
|
51
|
|
|
* @throws CompilationException |
|
52
|
|
|
*/ |
|
53
|
|
|
public static function compile(Compiler $compiler, $file) |
|
54
|
|
|
{ |
|
55
|
|
|
list($l, $r) = $compiler->getDelimiters(); |
|
56
|
|
|
self::$l = preg_quote($l, '/'); |
|
57
|
|
|
self::$r = preg_quote($r, '/'); |
|
58
|
|
|
self::$regex = '/ |
|
59
|
|
|
' . self::$l . 'block\s(["\']?)(.+?)\1' . self::$r . '(?:\r?\n?) |
|
60
|
|
|
((?: |
|
61
|
|
|
(?R) |
|
62
|
|
|
| |
|
63
|
|
|
[^' . self::$l . ']* |
|
64
|
|
|
(?: |
|
65
|
|
|
(?! ' . self::$l . '\/?block\b ) |
|
66
|
|
|
' . self::$l . ' |
|
67
|
|
|
[^' . self::$l . ']*+ |
|
68
|
|
|
)* |
|
69
|
|
|
)*) |
|
70
|
|
|
' . self::$l . '\/block' . self::$r . ' |
|
71
|
|
|
/six'; |
|
72
|
|
|
|
|
73
|
|
|
if ($compiler->getLooseOpeningHandling()) { |
|
74
|
|
|
self::$l .= '\s*'; |
|
75
|
|
|
self::$r = '\s*' . self::$r; |
|
76
|
|
|
} |
|
77
|
|
|
$inheritanceTree = array(array('source' => $compiler->getTemplateSource())); |
|
78
|
|
|
$curPath = dirname($compiler->getCore()->getTemplate()->getResourceIdentifier()) . DIRECTORY_SEPARATOR; |
|
|
|
|
|
|
79
|
|
|
$curTpl = $compiler->getCore()->getTemplate(); |
|
80
|
|
|
|
|
81
|
|
|
while (!empty($file)) { |
|
82
|
|
|
if ($file === '""' || $file === "''" || (substr($file, 0, 1) !== '"' && substr($file, 0, 1) !== '\'')) { |
|
83
|
|
|
throw new CompilationException($compiler, 'Extends : The file name must be a non-empty string'); |
|
84
|
|
|
} |
|
85
|
|
|
|
|
86
|
|
|
if (preg_match('#^["\']([a-z]{2,}):(.*?)["\']$#i', $file, $m)) { |
|
87
|
|
|
// resource:identifier given, extract them |
|
88
|
|
|
$resource = $m[1]; |
|
89
|
|
|
$identifier = $m[2]; |
|
90
|
|
|
} else { |
|
91
|
|
|
// get the current template's resource |
|
92
|
|
|
$resource = $curTpl->getResourceName(); |
|
93
|
|
|
$identifier = substr($file, 1, - 1); |
|
94
|
|
|
} |
|
95
|
|
|
|
|
96
|
|
|
try { |
|
97
|
|
|
$parent = $compiler->getCore()->templateFactory($resource, $identifier, null, null, null, $curTpl); |
|
98
|
|
|
} |
|
99
|
|
|
catch (SecurityException $e) { |
|
100
|
|
|
throw new CompilationException($compiler, 'Extends : Security restriction : ' . $e->getMessage()); |
|
101
|
|
|
} |
|
102
|
|
|
catch (Exception $e) { |
|
103
|
|
|
throw new CompilationException($compiler, 'Extends : ' . $e->getMessage()); |
|
104
|
|
|
} |
|
105
|
|
|
|
|
106
|
|
View Code Duplication |
if ($parent === null) { |
|
|
|
|
|
|
107
|
|
|
throw new CompilationException($compiler, 'Extends : Resource "' . $resource . ':' . $identifier . '" not found.'); |
|
108
|
|
|
} elseif ($parent === false) { |
|
109
|
|
|
throw new CompilationException($compiler, 'Extends : Resource "' . $resource . '" does not support extends.'); |
|
110
|
|
|
} |
|
111
|
|
|
|
|
112
|
|
|
$curTpl = $parent; |
|
113
|
|
|
$newParent = array( |
|
114
|
|
|
'source' => $parent->getSource(), |
|
115
|
|
|
'resource' => $resource, |
|
116
|
|
|
'identifier' => $parent->getResourceIdentifier(), |
|
117
|
|
|
'uid' => $parent->getUid() |
|
118
|
|
|
); |
|
119
|
|
|
if (array_search($newParent, $inheritanceTree, true) !== false) { |
|
120
|
|
|
throw new CompilationException($compiler, 'Extends : Recursive template inheritance detected'); |
|
121
|
|
|
} |
|
122
|
|
|
$inheritanceTree[] = $newParent; |
|
123
|
|
|
|
|
124
|
|
|
if (preg_match('/^' . self::$l . 'extends(?:\(?\s*|\s+)(?:file=)?\s*((["\']).+?\2|\S+?)\s*\)?\s*?' . self::$r . '/i', $parent->getSource(), $match)) { |
|
125
|
|
|
$curPath = dirname($identifier) . DIRECTORY_SEPARATOR; |
|
|
|
|
|
|
126
|
|
|
if (isset($match[2]) && $match[2] == '"') { |
|
127
|
|
|
$file = '"' . str_replace('"', '\\"', substr($match[1], 1, - 1)) . '"'; |
|
128
|
|
|
} elseif (isset($match[2]) && $match[2] == "'") { |
|
129
|
|
|
$file = '"' . substr($match[1], 1, - 1) . '"'; |
|
130
|
|
|
} else { |
|
131
|
|
|
$file = '"' . $match[1] . '"'; |
|
132
|
|
|
} |
|
133
|
|
|
} else { |
|
134
|
|
|
$file = false; |
|
135
|
|
|
} |
|
136
|
|
|
} |
|
137
|
|
|
|
|
138
|
|
|
while (true) { |
|
139
|
|
|
$parent = array_pop($inheritanceTree); |
|
140
|
|
|
$child = end($inheritanceTree); |
|
141
|
|
|
self::$childSource = $child['source']; |
|
142
|
|
|
self::$lastReplacement = count($inheritanceTree) === 1; |
|
143
|
|
|
if (!isset($newSource)) { |
|
144
|
|
|
$newSource = $parent['source']; |
|
145
|
|
|
} |
|
146
|
|
|
$newSource = preg_replace_callback(self::$regex, array( |
|
147
|
|
|
'Dwoo\Plugins\Functions\PluginExtends', |
|
148
|
|
|
'replaceBlock' |
|
149
|
|
|
), $newSource); |
|
150
|
|
|
$newSource = $l . 'do extendsCheck(' . var_export($parent['resource'] . ':' . $parent['identifier'], true) . ')' . $r . $newSource; |
|
151
|
|
|
|
|
152
|
|
|
if (self::$lastReplacement) { |
|
153
|
|
|
break; |
|
154
|
|
|
} |
|
155
|
|
|
} |
|
156
|
|
|
$compiler->setTemplateSource($newSource); |
|
|
|
|
|
|
157
|
|
|
$compiler->recompile(); |
|
158
|
|
|
} |
|
159
|
|
|
|
|
160
|
|
|
/** |
|
161
|
|
|
* @param array $matches |
|
162
|
|
|
* |
|
163
|
|
|
* @return mixed|string |
|
164
|
|
|
*/ |
|
165
|
|
|
protected static function replaceBlock(array $matches) |
|
166
|
|
|
{ |
|
167
|
|
|
$matches[3] = self::removeTrailingNewline($matches[3]); |
|
168
|
|
|
|
|
169
|
|
|
if (preg_match_all(self::$regex, self::$childSource, $override) && in_array($matches[2], $override[2])) { |
|
170
|
|
|
$key = array_search($matches[2], $override[2]); |
|
171
|
|
|
$override = self::removeTrailingNewline($override[3][$key]); |
|
172
|
|
|
|
|
173
|
|
|
$l = stripslashes(self::$l); |
|
174
|
|
|
$r = stripslashes(self::$r); |
|
175
|
|
|
|
|
176
|
|
|
if (self::$lastReplacement) { |
|
177
|
|
|
return preg_replace('/' . self::$l . '\$dwoo\.parent' . self::$r . '/is', $matches[3], $override); |
|
178
|
|
|
} |
|
179
|
|
|
|
|
180
|
|
|
return $l . 'block ' . $matches[1] . $matches[2] . $matches[1] . $r . preg_replace('/' . self::$l . '\$dwoo\.parent' . self::$r . '/is', $matches[3], $override) . $l . '/block' . $r; |
|
181
|
|
|
} |
|
182
|
|
|
|
|
183
|
|
|
if (preg_match(self::$regex, $matches[3])) { |
|
184
|
|
|
return preg_replace_callback(self::$regex, array( |
|
185
|
|
|
'Dwoo\Plugins\Functions\PluginExtends', |
|
186
|
|
|
'replaceBlock' |
|
187
|
|
|
), $matches[3]); |
|
188
|
|
|
} |
|
189
|
|
|
|
|
190
|
|
|
if (self::$lastReplacement) { |
|
191
|
|
|
return $matches[3]; |
|
192
|
|
|
} |
|
193
|
|
|
|
|
194
|
|
|
return $matches[0]; |
|
195
|
|
|
} |
|
196
|
|
|
|
|
197
|
|
|
/** |
|
198
|
|
|
* @param $text |
|
199
|
|
|
* |
|
200
|
|
|
* @return string |
|
201
|
|
|
*/ |
|
202
|
|
|
protected static function removeTrailingNewline($text) |
|
203
|
|
|
{ |
|
204
|
|
|
return substr($text, - 1) === "\n" ? substr($text, - 2, 1) === "\r" ? substr($text, 0, - 2) : substr($text, 0, - 1) : $text; |
|
205
|
|
|
} |
|
206
|
|
|
} |
|
207
|
|
|
|
This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently.
Both the
$myVarassignment in line 1 and the$higherassignment in line 2 are dead. The first because$myVaris never used and the second because$higheris always overwritten for every possible time line.