1/*
2 * This file is part of the WebKit project.
3 *
4 * Copyright (C) 2009 Michelangelo De Simone <micdesim@gmail.com>
5 * Copyright (C) 2010 Google Inc. All rights reserved.
6 * Copyright (C) 2018 Apple Inc. All rights reserved.
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Library General Public License for more details.
17 *
18 * You should have received a copy of the GNU Library General Public License
19 * along with this library; see the file COPYING.LIB. If not, write to
20 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
21 * Boston, MA 02110-1301, USA.
22 *
23 */
24
25#include "config.h"
26#include "BaseTextInputType.h"
27
28#include "HTMLInputElement.h"
29#include "HTMLNames.h"
30#include <JavaScriptCore/RegularExpression.h>
31
32namespace WebCore {
33
34using namespace HTMLNames;
35
36bool BaseTextInputType::isTextType() const
37{
38 return true;
39}
40
41bool BaseTextInputType::patternMismatch(const String& value) const
42{
43 ASSERT(element());
44 // FIXME: We should execute RegExp parser first to check validity instead of creating an actual RegularExpression.
45 // https://bugs.webkit.org/show_bug.cgi?id=183361
46 const AtomicString& rawPattern = element()->attributeWithoutSynchronization(patternAttr);
47 if (rawPattern.isNull() || value.isEmpty() || !JSC::Yarr::RegularExpression(rawPattern, JSC::Yarr::TextCaseSensitive, JSC::Yarr::MultilineDisabled, JSC::Yarr::UnicodeAwareMode).isValid())
48 return false;
49 String pattern = "^(?:" + rawPattern + ")$";
50 int matchLength = 0;
51 int valueLength = value.length();
52 int matchOffset = JSC::Yarr::RegularExpression(pattern, JSC::Yarr::TextCaseSensitive, JSC::Yarr::MultilineDisabled, JSC::Yarr::UnicodeAwareMode).match(value, 0, &matchLength);
53 return matchOffset || matchLength != valueLength;
54}
55
56bool BaseTextInputType::supportsPlaceholder() const
57{
58 return true;
59}
60
61bool BaseTextInputType::supportsSelectionAPI() const
62{
63 return true;
64}
65
66} // namespace WebCore
67