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- 06.01.2017
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DumpDataCollector.php
001 <?php
002
003 /*
004 * This file is part of the Symfony package.
005 *
006 * (c) Fabien Potencier <fabien@symfony.com>
007 *
008 * For the full copyright and license information, please view the LICENSE
009 * file that was distributed with this source code.
010 */
011
012 namespace Symfony\Component\HttpKernel\DataCollector;
013
014 use Symfony\Component\HttpFoundation\Request;
015 use Symfony\Component\HttpFoundation\RequestStack;
016 use Symfony\Component\HttpFoundation\Response;
017 use Symfony\Component\Stopwatch\Stopwatch;
018 use Symfony\Component\VarDumper\Cloner\Data;
019 use Symfony\Component\VarDumper\Cloner\VarCloner;
020 use Symfony\Component\VarDumper\Dumper\CliDumper;
021 use Symfony\Component\VarDumper\Dumper\HtmlDumper;
022 use Symfony\Component\VarDumper\Dumper\DataDumperInterface;
023
024 /**
025 * @author Nicolas Grekas <p@tchwork.com>
026 */
027 class DumpDataCollector extends DataCollector implements DataDumperInterface
028 {
029 private $stopwatch;
030 private $fileLinkFormat;
031 private $dataCount = 0;
032 private $isCollected = true;
033 private $clonesCount = 0;
034 private $clonesIndex = 0;
035 private $rootRefs;
036 private $charset;
037 private $requestStack;
038 private $dumper;
039 private $dumperIsInjected;
040
041 public function __construct(Stopwatch $stopwatch = null, $fileLinkFormat = null, $charset = null, RequestStack $requestStack = null, DataDumperInterface $dumper = null)
042 {
043 $this->stopwatch = $stopwatch;
044 $this->fileLinkFormat = $fileLinkFormat ?: ini_get('xdebug.file_link_format') ?: get_cfg_var('xdebug.file_link_format');
045 $this->charset = $charset ?: ini_get('php.output_encoding') ?: ini_get('default_charset') ?: 'UTF-8';
046 $this->requestStack = $requestStack;
047 $this->dumper = $dumper;
048 $this->dumperIsInjected = null !== $dumper;
049
050 // All clones share these properties by reference:
051 $this->rootRefs = array(
052 &$this->data,
053 &$this->dataCount,
054 &$this->isCollected,
055 &$this->clonesCount,
056 );
057 }
058
059 public function __clone()
060 {
061 $this->clonesIndex = ++$this->clonesCount;
062 }
063
064 public function dump(Data $data)
065 {
066 if ($this->stopwatch) {
067 $this->stopwatch->start('dump');
068 }
069 if ($this->isCollected) {
070 $this->isCollected = false;
071 }
072
073 $trace = DEBUG_BACKTRACE_PROVIDE_OBJECT | DEBUG_BACKTRACE_IGNORE_ARGS;
074 if (PHP_VERSION_ID >= 50400) {
075 $trace = debug_backtrace($trace, 7);
076 } else {
077 $trace = debug_backtrace($trace);
078 }
079
080 $file = $trace[0]['file'];
081 $line = $trace[0]['line'];
082 $name = false;
083 $fileExcerpt = false;
084
085 for ($i = 1; $i < 7; ++$i) {
086 if (isset($trace[$i]['class'], $trace[$i]['function'])
087 && 'dump' === $trace[$i]['function']
088 && 'Symfony\Component\VarDumper\VarDumper' === $trace[$i]['class']
089 ) {
090 $file = $trace[$i]['file'];
091 $line = $trace[$i]['line'];
092
093 while (++$i < 7) {
094 if (isset($trace[$i]['function'], $trace[$i]['file']) && empty($trace[$i]['class']) && 0 !== strpos($trace[$i]['function'], 'call_user_func')) {
095 $file = $trace[$i]['file'];
096 $line = $trace[$i]['line'];
097
098 break;
099 } elseif (isset($trace[$i]['object']) && $trace[$i]['object'] instanceof \Twig_Template) {
100 $template = $trace[$i]['object'];
101 $name = $template->getTemplateName();
102 $src = method_exists($template, 'getSourceContext') ? $template->getSourceContext()->getCode() : (method_exists($template, 'getSource') ? $template->getSource() : false);
103 $info = $template->getDebugInfo();
104 if (isset($info[$trace[$i - 1]['line']])) {
105 $line = $info[$trace[$i - 1]['line']];
106 $file = method_exists($template, 'getSourceContext') ? $template->getSourceContext()->getPath() : null;
107
108 if ($src) {
109 $src = explode("\n", $src);
110 $fileExcerpt = array();
111
112 for ($i = max($line - 3, 1), $max = min($line + 3, count($src)); $i <= $max; ++$i) {
113 $fileExcerpt[] = '<li'.($i === $line ? ' class="selected"' : '').'><code>'.$this->htmlEncode($src[$i - 1]).'</code></li>';
114 }
115
116 $fileExcerpt = '<ol start="'.max($line - 3, 1).'">'.implode("\n", $fileExcerpt).'</ol>';
117 }
118 }
119 break;
120 }
121 }
122 break;
123 }
124 }
125
126 if (false === $name) {
127 $name = str_replace('\\', '/', $file);
128 $name = substr($name, strrpos($name, '/') + 1);
129 }
130
131 if ($this->dumper) {
132 $this->doDump($data, $name, $file, $line);
133 }
134
135 $this->data[] = compact('data', 'name', 'file', 'line', 'fileExcerpt');
136 ++$this->dataCount;
137
138 if ($this->stopwatch) {
139 $this->stopwatch->stop('dump');
140 }
141 }
142
143 public function collect(Request $request, Response $response, \Exception $exception = null)
144 {
145 // Sub-requests and programmatic calls stay in the collected profile.
146 if ($this->dumper || ($this->requestStack && $this->requestStack->getMasterRequest() !== $request) || $request->isXmlHttpRequest() || $request->headers->has('Origin')) {
147 return;
148 }
149
150 // In all other conditions that remove the web debug toolbar, dumps are written on the output.
151 if (!$this->requestStack
152 || !$response->headers->has('X-Debug-Token')
153 || $response->isRedirection()
154 || ($response->headers->has('Content-Type') && false === strpos($response->headers->get('Content-Type'), 'html'))
155 || 'html' !== $request->getRequestFormat()
156 || false === strripos($response->getContent(), '</body>')
157 ) {
158 if ($response->headers->has('Content-Type') && false !== strpos($response->headers->get('Content-Type'), 'html')) {
159 $this->dumper = new HtmlDumper('php://output', $this->charset);
160 } else {
161 $this->dumper = new CliDumper('php://output', $this->charset);
162 }
163
164 foreach ($this->data as $dump) {
165 $this->doDump($dump['data'], $dump['name'], $dump['file'], $dump['line']);
166 }
167 }
168 }
169
170 public function serialize()
171 {
172 if ($this->clonesCount !== $this->clonesIndex) {
173 return 'a:0:{}';
174 }
175
176 $this->data[] = $this->fileLinkFormat;
177 $this->data[] = $this->charset;
178 $ser = serialize($this->data);
179 $this->data = array();
180 $this->dataCount = 0;
181 $this->isCollected = true;
182 if (!$this->dumperIsInjected) {
183 $this->dumper = null;
184 }
185
186 return $ser;
187 }
188
189 public function unserialize($data)
190 {
191 parent::unserialize($data);
192 $charset = array_pop($this->data);
193 $fileLinkFormat = array_pop($this->data);
194 $this->dataCount = count($this->data);
195 self::__construct($this->stopwatch, $fileLinkFormat, $charset);
196 }
197
198 public function getDumpsCount()
199 {
200 return $this->dataCount;
201 }
202
203 public function getDumps($format, $maxDepthLimit = -1, $maxItemsPerDepth = -1)
204 {
205 $data = fopen('php://memory', 'r+b');
206
207 if ('html' === $format) {
208 $dumper = new HtmlDumper($data, $this->charset);
209 } else {
210 throw new \InvalidArgumentException(sprintf('Invalid dump format: %s', $format));
211 }
212 $dumps = array();
213
214 foreach ($this->data as $dump) {
215 if (method_exists($dump['data'], 'withMaxDepth')) {
216 $dumper->dump($dump['data']->withMaxDepth($maxDepthLimit)->withMaxItemsPerDepth($maxItemsPerDepth));
217 } else {
218 // getLimitedClone is @deprecated, to be removed in 3.0
219 $dumper->dump($dump['data']->getLimitedClone($maxDepthLimit, $maxItemsPerDepth));
220 }
221 $dump['data'] = stream_get_contents($data, -1, 0);
222 ftruncate($data, 0);
223 rewind($data);
224 $dumps[] = $dump;
225 }
226
227 return $dumps;
228 }
229
230 public function getName()
231 {
232 return 'dump';
233 }
234
235 public function __destruct()
236 {
237 if (0 === $this->clonesCount-- && !$this->isCollected && $this->data) {
238 $this->clonesCount = 0;
239 $this->isCollected = true;
240
241 $h = headers_list();
242 $i = count($h);
243 array_unshift($h, 'Content-Type: '.ini_get('default_mimetype'));
244 while (0 !== stripos($h[$i], 'Content-Type:')) {
245 --$i;
246 }
247
248 if ('cli' !== PHP_SAPI && stripos($h[$i], 'html')) {
249 $this->dumper = new HtmlDumper('php://output', $this->charset);
250 } else {
251 $this->dumper = new CliDumper('php://output', $this->charset);
252 }
253
254 foreach ($this->data as $i => $dump) {
255 $this->data[$i] = null;
256 $this->doDump($dump['data'], $dump['name'], $dump['file'], $dump['line']);
257 }
258
259 $this->data = array();
260 $this->dataCount = 0;
261 }
262 }
263
264 private function doDump($data, $name, $file, $line)
265 {
266 if (PHP_VERSION_ID >= 50400 && $this->dumper instanceof CliDumper) {
267 $contextDumper = function ($name, $file, $line, $fileLinkFormat) {
268 if ($this instanceof HtmlDumper) {
269 if ($file) {
270 $s = $this->style('meta', '%s');
271 $name = strip_tags($this->style('', $name));
272 $file = strip_tags($this->style('', $file));
273 if ($fileLinkFormat) {
274 $link = strtr(strip_tags($this->style('', $fileLinkFormat)), array('%f' => $file, '%l' => (int) $line));
275 $name = sprintf('<a href="%s" title="%s">'.$s.'</a>', $link, $file, $name);
276 } else {
277 $name = sprintf('<abbr title="%s">'.$s.'</abbr>', $file, $name);
278 }
279 } else {
280 $name = $this->style('meta', $name);
281 }
282 $this->line = $name.' on line '.$this->style('meta', $line).':';
283 } else {
284 $this->line = $this->style('meta', $name).' on line '.$this->style('meta', $line).':';
285 }
286 $this->dumpLine(0);
287 };
288 $contextDumper = $contextDumper->bindTo($this->dumper, $this->dumper);
289 $contextDumper($name, $file, $line, $this->fileLinkFormat);
290 } else {
291 $cloner = new VarCloner();
292 $this->dumper->dump($cloner->cloneVar($name.' on line '.$line.':'));
293 }
294 $this->dumper->dump($data);
295 }
296
297 private function htmlEncode($s)
298 {
299 $html = '';
300
301 $dumper = new HtmlDumper(function ($line) use (&$html) {$html .= $line;}, $this->charset);
302 $dumper->setDumpHeader('');
303 $dumper->setDumpBoundaries('', '');
304
305 $cloner = new VarCloner();
306 $dumper->dump($cloner->cloneVar($s));
307
308 return substr(strip_tags($html), 1, -1);
309 }
310 }
311