<?php
/**
* This file is part of Soloproyectos common library.
*
* @author Gonzalo Chumillas <[email protected]>
* @license https://github.com/soloproyectos/php.common-libs/blob/master/LICENSE BSD 2-Clause License
* @link https://github.com/soloproyectos/php.common-libs
*/
namespace com\soloproyectos\common\text\parser\exception;
use com\soloproyectos\common\text\parser\TextParser;
use com\soloproyectos\common\text\exception\TextException;
/**
* class TextParserException
*
* @package Text\Parser\Exception
* @author Gonzalo Chumillas <[email protected]>
* @license https://github.com/soloproyectos/php.common-libs/blob/master/LICENSE BSD 2-Clause License
* @link https://github.com/soloproyectos/php.common-libs
*/
class TextParserException extends TextException
{
/**
* The parser instance that threw the exception.
* @var TextParser
*/
private $_parser;
/**
* Constructor.
*
* @param string $message The exception message
* @param TextParser $parser The parser object (default is null)
*/
public function __construct($message, $parser = null)
{
$this->_parser = $parser;
parent::__construct($message);
}
/**
* Gets a printable message.
*
* This function provides a method to get printable messages.
*
* @return string
*/
public function getPrintableMessage()
{
$ret = $this->message;
if ($this->_parser != null) {
$string = rtrim($this->_parser->getString());
$offset = $this->_parser->getOffset();
$rightStr = substr($string, $offset);
$offset0 = $offset + strlen($rightStr) - strlen(ltrim($rightStr));
$str1 = substr($string, 0, $offset0);
$offset1 = strrpos($str1, "\n");
if ($offset1 !== false) {
$offset1++;
}
$str2 = substr($string, $offset1);
$offset2 = strpos($str2, "\n");
if ($offset2 === false) {
$offset2 = strlen($str2);
}
$str3 = substr($str2, 0, $offset2);
$line = $offset0 > 0? substr_count($string, "\n", 0, $offset0) : 0;
$column = $offset0 - $offset1;
$ret = "$str3\n" . str_repeat(" ", $column) . "^" . $this->message;
if ($line > 0) {
$ret .= " (line " . ($line + 1) . ")";
}
}
return $ret;
}
/**
* Gets a string representation of the instance.
*
* @return string
*/
public function __toString()
{
return __CLASS__ . ":\n\n" . $this->getPrintableMessage() . "\n";
}
}
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