<?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\Yaml\Exception;

/**

 * Exception class thrown when an error occurs during parsing.

 *

 * @author Fabien Potencier <fabien@symfony.com>

 *

 * @api

 */

class ParseException extends \RuntimeException implements ExceptionInterface

{

    private $parsedFile;

    private $parsedLine;

    private $snippet;

    private $rawMessage;

    /**

     * Constructor.

     *

     * @param string    $message  The error message

     * @param integer   $lineno   The line where the error occurred

     * @param integer   $snippet  The snippet of code near the problem

     * @param string    $filename The file name where the error occurred

     * @param Exception $previous The previous exception

     */

    public function __construct($message, $parsedLine = -1, $snippet = null, $parsedFile = null, Exception $previous = null)

    {

        $this->parsedFile = $parsedFile;

        $this->parsedLine = $parsedLine;

        $this->snippet = $snippet;

        $this->rawMessage = $message;

        $this->updateRepr();

        parent::__construct($this->message, 0, $previous);

    }

    /**

     * Gets the snippet of code near the error.

     *

     * @return string The snippet of code

     */

    public function getSnippet()

    {

        return $this->snippet;

    }

    /**

     * Sets the snippet of code near the error.

     *

     * @param string $parsedFile The filename

     */

    public function setSnippet($snippet)

    {

        $this->snippet = $snippet;

        $this->updateRepr();

    }

    /**

     * Gets the filename where the error occurred.

     *

     * This method returns null if a string is parsed.

     *

     * @return string The filename

     */

    public function getParsedFile()

    {

        return $this->parsedFile;

    }

    /**

     * Sets the filename where the error occurred.

     *

     * @param string $parsedFile The filename

     */

    public function setParsedFile($parsedFile)

    {

        $this->parsedFile = $parsedFile;

        $this->updateRepr();

    }

    /**

     * Gets the line where the error occurred.

     *

     * @return integer The file line

     */

    public function getParsedLine()

    {

        return $this->parsedLine;

    }

    /**

     * Sets the line where the error occurred.

     *

     * @param integer $parsedLine The file line

     */

    public function setParsedLine($parsedLine)

    {

        $this->parsedLine = $parsedLine;

        $this->updateRepr();

    }

    private 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->parsedFile) {

            $this->message .= sprintf(' in %s', json_encode($this->parsedFile));

        }

        if ($this->parsedLine >= 0) {

            $this->message .= sprintf(' at line %d', $this->parsedLine);

        }

        if ($this->snippet) {

            $this->message .= sprintf(' (near "%s")', $this->snippet);

        }

        if ($dot) {

            $this->message .= '.';

        }

    }

}