<?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>
*/
class ParseException extends RuntimeException
{
private $parsedFile;
private $parsedLine;
private $snippet;
private $rawMessage;

/**
* @param string $message The error message
* @param int $parsedLine The line where the error occurred
* @param string|null $snippet The snippet of code near the problem
* @param string|null $parsedFile The file name where the error occurred
*/
public function __construct(string $message, int $parsedLine = -1, string $snippet = null, string $parsedFile = null, \Throwable $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.
*/
public function setSnippet(string $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.
*/
public function setParsedFile(string $parsedFile)
{
$this->parsedFile = $parsedFile;

$this->updateRepr();
}

/**
* Gets the line where the error occurred.
*
* @return int The file line
*/
public function getParsedLine()
{
return $this->parsedLine;
}

/**
* Sets the line where the error occurred.
*/
public function setParsedLine(int $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, \JSON_UNESCAPED_SLASHES | \JSON_UNESCAPED_UNICODE));
}

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 .= '.';
}
}
}