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 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15 * Library General Public License for more details.
16 *
17 * You should have received a copy of the GNU Library General Public License
18 * along with this library; see the file COPYING.LIB.  If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 * Boston, MA 02110-1301, USA.
21 *
22 */
23
24#include "config.h"
25#include "core/html/BaseTextInputType.h"
26
27#include "HTMLNames.h"
28#include "core/html/HTMLInputElement.h"
29#include "core/platform/text/RegularExpression.h"
30
31namespace WebCore {
32
33using namespace HTMLNames;
34
35bool BaseTextInputType::isTextType() const
36{
37    return true;
38}
39
40bool BaseTextInputType::patternMismatch(const String& value) const
41{
42    const AtomicString& rawPattern = element()->fastGetAttribute(patternAttr);
43    // Empty values can't be mismatched
44    if (rawPattern.isNull() || value.isEmpty() || !RegularExpression(rawPattern, TextCaseSensitive).isValid())
45        return false;
46    String pattern = "^(?:" + rawPattern + ")$";
47    int matchLength = 0;
48    int valueLength = value.length();
49    int matchOffset = RegularExpression(pattern, TextCaseSensitive).match(value, 0, &matchLength);
50    return matchOffset || matchLength != valueLength;
51}
52
53bool BaseTextInputType::supportsPlaceholder() const
54{
55    return true;
56}
57
58bool BaseTextInputType::supportsSelectionAPI() const
59{
60    return true;
61}
62
63} // namespace WebCore
64