Modern DOM library written in PHP for HTML documents
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<?php
/** @license MIT
* Copyright 2017 , Dustin Wilson, J. King et al.
* See LICENSE and AUTHORS files for details */
declare(strict_types=1);
namespace MensBeam\HTML;
class DOMException extends \Exception {
// From PHP's DOMException; keeping error codes consistent
const HIERARCHY_REQUEST_ERROR = 3;
const WRONG_DOCUMENT = 4;
const INVALID_CHARACTER = 5;
const NO_MODIFICATION_ALLOWED = 7;
const NOT_FOUND = 8;
const SYNTAX_ERROR = 12;
const DOCUMENT_ELEMENT_DOCUMENTFRAG_EXPECTED = 100;
const STRING_EXPECTED = 101;
const OUTER_HTML_FAILED_NOPARENT = 102;
protected static $messages = [
3 => 'Hierarchy request error; supplied node is not allowed here',
4 => 'Supplied node does not belong to this document',
5 => 'Invalid character',
7 => 'Modification not allowed here',
8 => 'Not found error',
12 => 'Syntax error',
100 => 'Document, Element, or DocumentFragment expected; found %s',
101 => 'The "%s" argument should be a string; found %s',
102 => 'Failed to set the "outerHTML" property; the element does not have a parent node'
];
public function __construct(int $code, ...$args) {
if (!isset(self::$messages[$code])) {
throw new Exception(Exception::INVALID_CODE);
}
$message = self::$messages[$code];
$previous = null;
if ($args) {
// Grab a previous exception if there is one.
if ($args[0] instanceof \Throwable) {
$previous = array_shift($args);
} elseif (end($args) instanceof \Throwable) {
$previous = array_pop($args);
}
}
// Count the number of replacements needed in the message.
preg_match_all('/(\%(?:\d+\$)?s)/', $message, $matches);
$count = count($matches[1]);
// If the number of replacements don't match the arguments then oops.
if (count($args) !== $count) {
throw new Exception(Exception::INCORRECT_PARAMETERS_FOR_MESSAGE, $count);
}
if ($count > 0) {
// Go through each of the arguments and run sprintf on the strings.
$message = call_user_func_array('sprintf', array_merge([$message], $args));
}
parent::__construct($message, $code, $previous);
}
}