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<?php
/**
* Error related utilities.
*
* @package SqlParser
* @subpackage Utils
*/
namespace SqlParser\Utils;
use SqlParser\Lexer;
use SqlParser\Parser;
/**
* Error related utilities.
*
* @category Exceptions
* @package SqlParser
* @subpackage Utils
* @author Dan Ungureanu <udan1107@gmail.com>
* @license http://opensource.org/licenses/GPL-2.0 GNU Public License
*/
class Error
{
/**
* Gets the errors of a lexer and a parser.
*
* @param array $objs Objects from where the errors will be extracted.
*
* @return array Each element of the array represents an error.
* `$err[0]` holds the error message.
* `$err[1]` holds the error code.
* `$err[2]` holds the string that caused the issue.
* `$err[3]` holds the position of the string.
* (i.e. `array($msg, $code, $str, $pos)`)
*/
public static function get($objs)
{
$ret = array();
foreach ($objs as $obj) {
if ($obj instanceof Lexer) {
foreach ($obj->errors as $err) {
$ret[] = array(
$err->getMessage(),
$err->getCode(),
$err->ch,
$err->pos
);
}
} elseif ($obj instanceof Parser) {
foreach ($obj->errors as $err) {
$ret[] = array(
$err->getMessage(),
$err->getCode(),
$err->token->token,
$err->token->position
);
}
}
}
return $ret;
}
/**
* Formats the specified errors
*
* @param array $errors The errors to be formatted.
* @param string $format The format of an error.
* '$1$d' is replaced by the position of this error.
* '$2$s' is replaced by the error message.
* '$3$d' is replaced by the error code.
* '$4$s' is replaced by the string that caused the
* issue.
* '$5$d' is replaced by the position of the string.
* @return array
*/
public static function format(
$errors,
$format = '#%1$d: %2$s (near "%4$s" at position %5$d)'
) {
$ret = array();
$i = 0;
foreach ($errors as $key => $err) {
$ret[$key] = sprintf(
$format,
++$i,
$err[0],
$err[1],
$err[2],
$err[3]
);
}
return $ret;
}
}
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