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authorNicolas LÅ“uillet <nicolas.loeuillet@gmail.com>2013-08-03 19:26:54 +0200
committerNicolas LÅ“uillet <nicolas.loeuillet@gmail.com>2013-08-03 19:26:54 +0200
commit4f5b44bd3bd490309eb2ba7b44df4769816ba729 (patch)
tree6cefe170dfe0a5a361cb1e2d1fc4d580a3316d02 /inc/3rdparty/Twig/Error.php
parent2b840e0cfb63a453bea67a98541f3df9c273c5f5 (diff)
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twig implementation
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diff --git a/inc/3rdparty/Twig/Error.php b/inc/3rdparty/Twig/Error.php
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1<?php
2
3/*
4 * This file is part of Twig.
5 *
6 * (c) 2009 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 * Twig base exception.
14 *
15 * This exception class and its children must only be used when
16 * an error occurs during the loading of a template, when a syntax error
17 * is detected in a template, or when rendering a template. Other
18 * errors must use regular PHP exception classes (like when the template
19 * cache directory is not writable for instance).
20 *
21 * To help debugging template issues, this class tracks the original template
22 * name and line where the error occurred.
23 *
24 * Whenever possible, you must set these information (original template name
25 * and line number) yourself by passing them to the constructor. If some or all
26 * these information are not available from where you throw the exception, then
27 * this class will guess them automatically (when the line number is set to -1
28 * and/or the filename is set to null). As this is a costly operation, this
29 * can be disabled by passing false for both the filename and the line number
30 * when creating a new instance of this class.
31 *
32 * @author Fabien Potencier <fabien@symfony.com>
33 */
34class Twig_Error extends Exception
35{
36 protected $lineno;
37 protected $filename;
38 protected $rawMessage;
39 protected $previous;
40
41 /**
42 * Constructor.
43 *
44 * Set both the line number and the filename to false to
45 * disable automatic guessing of the original template name
46 * and line number.
47 *
48 * Set the line number to -1 to enable its automatic guessing.
49 * Set the filename to null to enable its automatic guessing.
50 *
51 * By default, automatic guessing is enabled.
52 *
53 * @param string $message The error message
54 * @param integer $lineno The template line where the error occurred
55 * @param string $filename The template file name where the error occurred
56 * @param Exception $previous The previous exception
57 */
58 public function __construct($message, $lineno = -1, $filename = null, Exception $previous = null)
59 {
60 if (version_compare(PHP_VERSION, '5.3.0', '<')) {
61 $this->previous = $previous;
62 parent::__construct('');
63 } else {
64 parent::__construct('', 0, $previous);
65 }
66
67 $this->lineno = $lineno;
68 $this->filename = $filename;
69
70 if (-1 === $this->lineno || null === $this->filename) {
71 $this->guessTemplateInfo();
72 }
73
74 $this->rawMessage = $message;
75
76 $this->updateRepr();
77 }
78
79 /**
80 * Gets the raw message.
81 *
82 * @return string The raw message
83 */
84 public function getRawMessage()
85 {
86 return $this->rawMessage;
87 }
88
89 /**
90 * Gets the filename where the error occurred.
91 *
92 * @return string The filename
93 */
94 public function getTemplateFile()
95 {
96 return $this->filename;
97 }
98
99 /**
100 * Sets the filename where the error occurred.
101 *
102 * @param string $filename The filename
103 */
104 public function setTemplateFile($filename)
105 {
106 $this->filename = $filename;
107
108 $this->updateRepr();
109 }
110
111 /**
112 * Gets the template line where the error occurred.
113 *
114 * @return integer The template line
115 */
116 public function getTemplateLine()
117 {
118 return $this->lineno;
119 }
120
121 /**
122 * Sets the template line where the error occurred.
123 *
124 * @param integer $lineno The template line
125 */
126 public function setTemplateLine($lineno)
127 {
128 $this->lineno = $lineno;
129
130 $this->updateRepr();
131 }
132
133 public function guess()
134 {
135 $this->guessTemplateInfo();
136 $this->updateRepr();
137 }
138
139 /**
140 * For PHP < 5.3.0, provides access to the getPrevious() method.
141 *
142 * @param string $method The method name
143 * @param array $arguments The parameters to be passed to the method
144 *
145 * @return Exception The previous exception or null
146 *
147 * @throws BadMethodCallException
148 */
149 public function __call($method, $arguments)
150 {
151 if ('getprevious' == strtolower($method)) {
152 return $this->previous;
153 }
154
155 throw new BadMethodCallException(sprintf('Method "Twig_Error::%s()" does not exist.', $method));
156 }
157
158 protected function updateRepr()
159 {
160 $this->message = $this->rawMessage;
161
162 $dot = false;
163 if ('.' === substr($this->message, -1)) {
164 $this->message = substr($this->message, 0, -1);
165 $dot = true;
166 }
167
168 if ($this->filename) {
169 if (is_string($this->filename) || (is_object($this->filename) && method_exists($this->filename, '__toString'))) {
170 $filename = sprintf('"%s"', $this->filename);
171 } else {
172 $filename = json_encode($this->filename);
173 }
174 $this->message .= sprintf(' in %s', $filename);
175 }
176
177 if ($this->lineno && $this->lineno >= 0) {
178 $this->message .= sprintf(' at line %d', $this->lineno);
179 }
180
181 if ($dot) {
182 $this->message .= '.';
183 }
184 }
185
186 protected function guessTemplateInfo()
187 {
188 $template = null;
189
190 if (version_compare(phpversion(), '5.3.6', '>=')) {
191 $backtrace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS | DEBUG_BACKTRACE_PROVIDE_OBJECT);
192 } else {
193 $backtrace = debug_backtrace();
194 }
195
196 foreach ($backtrace as $trace) {
197 if (isset($trace['object']) && $trace['object'] instanceof Twig_Template && 'Twig_Template' !== get_class($trace['object'])) {
198 if (null === $this->filename || $this->filename == $trace['object']->getTemplateName()) {
199 $template = $trace['object'];
200 }
201 }
202 }
203
204 // update template filename
205 if (null !== $template && null === $this->filename) {
206 $this->filename = $template->getTemplateName();
207 }
208
209 if (null === $template || $this->lineno > -1) {
210 return;
211 }
212
213 $r = new ReflectionObject($template);
214 $file = $r->getFileName();
215
216 $exceptions = array($e = $this);
217 while (($e instanceof self || method_exists($e, 'getPrevious')) && $e = $e->getPrevious()) {
218 $exceptions[] = $e;
219 }
220
221 while ($e = array_pop($exceptions)) {
222 $traces = $e->getTrace();
223 while ($trace = array_shift($traces)) {
224 if (!isset($trace['file']) || !isset($trace['line']) || $file != $trace['file']) {
225 continue;
226 }
227
228 foreach ($template->getDebugInfo() as $codeLine => $templateLine) {
229 if ($codeLine <= $trace['line']) {
230 // update template line
231 $this->lineno = $templateLine;
232
233 return;
234 }
235 }
236 }
237 }
238 }
239}