/SafeForKids/vendor/symfony/var-dumper/Caster/ExceptionCaster.php
PHP | 248 lines | 203 code | 32 blank | 13 comment | 41 complexity | 5d18fb03d8c0e99d27b65f6d09bebe6f MD5 | raw file
- <?php
- /*
- * This file is part of the Symfony package.
- *
- * (c) Fabien Potencier <fabien@symfony.com>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
- namespace Symfony\Component\VarDumper\Caster;
- use Symfony\Component\VarDumper\Exception\ThrowingCasterException;
- use Symfony\Component\VarDumper\Cloner\Stub;
- /**
- * Casts common Exception classes to array representation.
- *
- * @author Nicolas Grekas <p@tchwork.com>
- */
- class ExceptionCaster
- {
- public static $srcContext = 1;
- public static $traceArgs = true;
- public static $errorTypes = array(
- E_DEPRECATED => 'E_DEPRECATED',
- E_USER_DEPRECATED => 'E_USER_DEPRECATED',
- E_RECOVERABLE_ERROR => 'E_RECOVERABLE_ERROR',
- E_ERROR => 'E_ERROR',
- E_WARNING => 'E_WARNING',
- E_PARSE => 'E_PARSE',
- E_NOTICE => 'E_NOTICE',
- E_CORE_ERROR => 'E_CORE_ERROR',
- E_CORE_WARNING => 'E_CORE_WARNING',
- E_COMPILE_ERROR => 'E_COMPILE_ERROR',
- E_COMPILE_WARNING => 'E_COMPILE_WARNING',
- E_USER_ERROR => 'E_USER_ERROR',
- E_USER_WARNING => 'E_USER_WARNING',
- E_USER_NOTICE => 'E_USER_NOTICE',
- E_STRICT => 'E_STRICT',
- );
- public static function castError(\Error $e, array $a, Stub $stub, $isNested, $filter = 0)
- {
- return self::filterExceptionArray($stub->class, $a, "\0Error\0", $filter);
- }
- public static function castException(\Exception $e, array $a, Stub $stub, $isNested, $filter = 0)
- {
- return self::filterExceptionArray($stub->class, $a, "\0Exception\0", $filter);
- }
- public static function castErrorException(\ErrorException $e, array $a, Stub $stub, $isNested)
- {
- if (isset($a[$s = Caster::PREFIX_PROTECTED.'severity'], self::$errorTypes[$a[$s]])) {
- $a[$s] = new ConstStub(self::$errorTypes[$a[$s]], $a[$s]);
- }
- return $a;
- }
- public static function castThrowingCasterException(ThrowingCasterException $e, array $a, Stub $stub, $isNested)
- {
- $prefix = Caster::PREFIX_PROTECTED;
- $xPrefix = "\0Exception\0";
- if (isset($a[$xPrefix.'previous'], $a[$xPrefix.'trace'])) {
- $b = (array) $a[$xPrefix.'previous'];
- array_unshift($b[$xPrefix.'trace'], array(
- 'function' => 'new '.get_class($a[$xPrefix.'previous']),
- 'file' => $b[$prefix.'file'],
- 'line' => $b[$prefix.'line'],
- ));
- $a[$xPrefix.'trace'] = new TraceStub($b[$xPrefix.'trace'], false, 0, -1 - count($a[$xPrefix.'trace']->value));
- }
- unset($a[$xPrefix.'previous'], $a[$prefix.'code'], $a[$prefix.'file'], $a[$prefix.'line']);
- return $a;
- }
- public static function castTraceStub(TraceStub $trace, array $a, Stub $stub, $isNested)
- {
- if (!$isNested) {
- return $a;
- }
- $stub->class = '';
- $stub->handle = 0;
- $frames = $trace->value;
- $a = array();
- $j = count($frames);
- if (0 > $i = $trace->sliceOffset) {
- $i = max(0, $j + $i);
- }
- if (!isset($trace->value[$i])) {
- return array();
- }
- $lastCall = isset($frames[$i]['function']) ? ' ==> '.(isset($frames[$i]['class']) ? $frames[0]['class'].$frames[$i]['type'] : '').$frames[$i]['function'].'()' : '';
- for ($j += $trace->numberingOffset - $i++; isset($frames[$i]); ++$i, --$j) {
- $call = isset($frames[$i]['function']) ? (isset($frames[$i]['class']) ? $frames[$i]['class'].$frames[$i]['type'] : '').$frames[$i]['function'].'()' : '???';
- $a[Caster::PREFIX_VIRTUAL.$j.'. '.$call.$lastCall] = new FrameStub(
- array(
- 'object' => isset($frames[$i]['object']) ? $frames[$i]['object'] : null,
- 'class' => isset($frames[$i]['class']) ? $frames[$i]['class'] : null,
- 'type' => isset($frames[$i]['type']) ? $frames[$i]['type'] : null,
- 'function' => isset($frames[$i]['function']) ? $frames[$i]['function'] : null,
- ) + $frames[$i - 1],
- $trace->keepArgs,
- true
- );
- $lastCall = ' ==> '.$call;
- }
- $a[Caster::PREFIX_VIRTUAL.$j.'. {main}'.$lastCall] = new FrameStub(
- array(
- 'object' => null,
- 'class' => null,
- 'type' => null,
- 'function' => '{main}',
- ) + $frames[$i - 1],
- $trace->keepArgs,
- true
- );
- if (null !== $trace->sliceLength) {
- $a = array_slice($a, 0, $trace->sliceLength, true);
- }
- return $a;
- }
- public static function castFrameStub(FrameStub $frame, array $a, Stub $stub, $isNested)
- {
- if (!$isNested) {
- return $a;
- }
- $f = $frame->value;
- $prefix = Caster::PREFIX_VIRTUAL;
- if (isset($f['file'], $f['line'])) {
- if (preg_match('/\((\d+)\)(?:\([\da-f]{32}\))? : (?:eval\(\)\'d code|runtime-created function)$/', $f['file'], $match)) {
- $f['file'] = substr($f['file'], 0, -strlen($match[0]));
- $f['line'] = (int) $match[1];
- }
- if (file_exists($f['file']) && 0 <= self::$srcContext) {
- $src[$f['file'].':'.$f['line']] = self::extractSource(explode("\n", file_get_contents($f['file'])), $f['line'], self::$srcContext);
- if (!empty($f['class']) && is_subclass_of($f['class'], 'Twig_Template') && method_exists($f['class'], 'getDebugInfo')) {
- $template = isset($f['object']) ? $f['object'] : unserialize(sprintf('O:%d:"%s":0:{}', strlen($f['class']), $f['class']));
- $templateName = $template->getTemplateName();
- $templateSrc = method_exists($template, 'getSourceContext') ? $template->getSourceContext()->getCode() : (method_exists($template, 'getSource') ? $template->getSource() : '');
- $templateInfo = $template->getDebugInfo();
- if (isset($templateInfo[$f['line']])) {
- if (method_exists($template, 'getSourceContext')) {
- $templateName = $template->getSourceContext()->getPath() ?: $templateName;
- }
- if ($templateSrc) {
- $templateSrc = explode("\n", $templateSrc);
- $src[$templateName.':'.$templateInfo[$f['line']]] = self::extractSource($templateSrc, $templateInfo[$f['line']], self::$srcContext);
- } else {
- $src[$templateName] = $templateInfo[$f['line']];
- }
- }
- }
- } else {
- $src[$f['file']] = $f['line'];
- }
- $a[$prefix.'src'] = new EnumStub($src);
- }
- unset($a[$prefix.'args'], $a[$prefix.'line'], $a[$prefix.'file']);
- if ($frame->inTraceStub) {
- unset($a[$prefix.'class'], $a[$prefix.'type'], $a[$prefix.'function']);
- }
- foreach ($a as $k => $v) {
- if (!$v) {
- unset($a[$k]);
- }
- }
- if ($frame->keepArgs && isset($f['args'])) {
- $a[$prefix.'args'] = $f['args'];
- }
- return $a;
- }
- private static function filterExceptionArray($xClass, array $a, $xPrefix, $filter)
- {
- if (isset($a[$xPrefix.'trace'])) {
- $trace = $a[$xPrefix.'trace'];
- unset($a[$xPrefix.'trace']); // Ensures the trace is always last
- } else {
- $trace = array();
- }
- if (!($filter & Caster::EXCLUDE_VERBOSE)) {
- array_unshift($trace, array(
- 'function' => $xClass ? 'new '.$xClass : null,
- 'file' => $a[Caster::PREFIX_PROTECTED.'file'],
- 'line' => $a[Caster::PREFIX_PROTECTED.'line'],
- ));
- $a[$xPrefix.'trace'] = new TraceStub($trace, self::$traceArgs);
- }
- if (empty($a[$xPrefix.'previous'])) {
- unset($a[$xPrefix.'previous']);
- }
- unset($a[$xPrefix.'string'], $a[Caster::PREFIX_DYNAMIC.'xdebug_message'], $a[Caster::PREFIX_DYNAMIC.'__destructorException']);
- return $a;
- }
- private static function extractSource(array $srcArray, $line, $srcContext)
- {
- $src = array();
- for ($i = $line - 1 - $srcContext; $i <= $line - 1 + $srcContext; ++$i) {
- $src[] = (isset($srcArray[$i]) ? $srcArray[$i] : '')."\n";
- }
- $ltrim = 0;
- do {
- $pad = null;
- for ($i = $srcContext << 1; $i >= 0; --$i) {
- if (isset($src[$i][$ltrim]) && "\r" !== ($c = $src[$i][$ltrim]) && "\n" !== $c) {
- if (null === $pad) {
- $pad = $c;
- }
- if ((' ' !== $c && "\t" !== $c) || $pad !== $c) {
- break;
- }
- }
- }
- ++$ltrim;
- } while (0 > $i && null !== $pad);
- if (--$ltrim) {
- foreach ($src as $i => $line) {
- $src[$i] = isset($line[$ltrim]) && "\r" !== $line[$ltrim] ? substr($line, $ltrim) : ltrim($line, " \t");
- }
- }
- return implode('', $src);
- }
- }