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- <?php
-
- /*
- * This file is part of Twig.
- *
- * (c) 2009 Fabien Potencier
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-
- /**
- * Twig base exception.
- *
- * @package twig
- * @author Fabien Potencier <fabien@symfony.com>
- */
- class Twig_Error extends Exception
- {
- protected $lineno;
- protected $filename;
- protected $rawMessage;
- protected $previous;
-
- /**
- * Constructor.
- *
- * @param string $message The error message
- * @param integer $lineno The template line where the error occurred
- * @param string $filename The template file name where the error occurred
- * @param Exception $previous The previous exception
- */
- public function __construct($message, $lineno = -1, $filename = null, Exception $previous = null)
- {
- if (-1 === $lineno || null === $filename) {
- list($lineno, $filename) = $this->findTemplateInfo(null !== $previous ? $previous : $this, $lineno, $filename);
- }
-
- $this->lineno = $lineno;
- $this->filename = $filename;
- $this->rawMessage = $message;
-
- $this->updateRepr();
-
- if (version_compare(PHP_VERSION, '5.3.0', '<')) {
- $this->previous = $previous;
- parent::__construct($this->message);
- } else {
- parent::__construct($this->message, 0, $previous);
- }
- }
-
- /**
- * Gets the raw message.
- *
- * @return string The raw message
- */
- public function getRawMessage()
- {
- return $this->rawMessage;
- }
-
- /**
- * Gets the filename where the error occurred.
- *
- * @return string The filename
- */
- public function getTemplateFile()
- {
- return $this->filename;
- }
-
- /**
- * Sets the filename where the error occurred.
- *
- * @param string $filename The filename
- */
- public function setTemplateFile($filename)
- {
- $this->filename = $filename;
-
- $this->updateRepr();
- }
-
- /**
- * Gets the template line where the error occurred.
- *
- * @return integer The template line
- */
- public function getTemplateLine()
- {
- return $this->lineno;
- }
-
- /**
- * Sets the template line where the error occurred.
- *
- * @param integer $lineno The template line
- */
- public function setTemplateLine($lineno)
- {
- $this->lineno = $lineno;
-
- $this->updateRepr();
- }
-
- /**
- * For PHP < 5.3.0, provides access to the getPrevious() method.
- *
- * @param string $method The method name
- * @param array $arguments The parameters to be passed to the method
- *
- * @return Exception The previous exception or null
- */
- public function __call($method, $arguments)
- {
- if ('getprevious' == strtolower($method)) {
- return $this->previous;
- }
-
- throw new BadMethodCallException(sprintf('Method "Twig_Error::%s()" does not exist.', $method));
- }
-
- protected function updateRepr()
- {
- $this->message = $this->rawMessage;
-
- $dot = false;
- if ('.' === substr($this->message, -1)) {
- $this->message = substr($this->message, 0, -1);
- $dot = true;
- }
-
- if (null !== $this->filename) {
- $this->message .= sprintf(' in %s', is_string($this->filename) ? '"'.$this->filename.'"' : json_encode($this->filename));
- }
-
- if ($this->lineno >= 0) {
- $this->message .= sprintf(' at line %d', $this->lineno);
- }
-
- if ($dot) {
- $this->message .= '.';
- }
- }
-
- protected function findTemplateInfo(Exception $e, $currentLine, $currentFile)
- {
- if (!function_exists('token_get_all')) {
- return array($currentLine, $currentFile);
- }
-
- $traces = $e->getTrace();
- foreach ($traces as $i => $trace) {
- if (!isset($trace['class']) || 'Twig_Template' === $trace['class']) {
- continue;
- }
-
- $r = new ReflectionClass($trace['class']);
- if (!$r->implementsInterface('Twig_TemplateInterface')) {
- continue;
- }
-
- if (!is_file($r->getFilename())) {
- // probably an eval()'d code
- return array($currentLine, $currentFile);
- }
-
- if (0 === $i) {
- $line = $e->getLine();
- } else {
- $line = isset($traces[$i - 1]['line']) ? $traces[$i - 1]['line'] : -log(0);
- }
-
- $tokens = token_get_all(file_get_contents($r->getFilename()));
- $templateline = -1;
- $template = null;
- foreach ($tokens as $token) {
- if (isset($token[2]) && $token[2] >= $line) {
- return array($templateline, $template);
- }
-
- if (T_COMMENT === $token[0] && null === $template && preg_match('#/\* +(.+) +\*/#', $token[1], $match)) {
- $template = $match[1];
- } elseif (T_COMMENT === $token[0] && preg_match('#^//\s*line (\d+)\s*$#', $token[1], $match)) {
- $templateline = $match[1];
- }
- }
-
- return array($currentLine, $template);
- }
-
- return array($currentLine, $currentFile);
- }
- }
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