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BaseTextInputType.cpp
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61 lines (53 loc) · 2.25 KB
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/*
* This file is part of the WebKit project.
*
* Copyright (C) 2009 Michelangelo De Simone <micdesim@gmail.com>
* Copyright (C) 2010 Google Inc. All rights reserved.
* Copyright (C) 2018 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#include "config.h"
#include "BaseTextInputType.h"
#include "HTMLInputElement.h"
#include "HTMLNames.h"
#include <JavaScriptCore/RegularExpression.h>
namespace WebCore {
using namespace HTMLNames;
bool BaseTextInputType::patternMismatch(const String& value) const
{
ASSERT(element());
// FIXME: We should execute RegExp parser first to check validity instead of creating an actual RegularExpression.
// https://bugs.webkit.org/show_bug.cgi?id=183361
const AtomString& rawPattern = element()->attributeWithoutSynchronization(patternAttr);
if (rawPattern.isNull() || value.isEmpty() || !JSC::Yarr::RegularExpression(rawPattern, JSC::Yarr::TextCaseSensitive, JSC::Yarr::MultilineDisabled, JSC::Yarr::UnicodeAwareMode).isValid())
return false;
String pattern = "^(?:" + rawPattern + ")$";
int matchLength = 0;
int valueLength = value.length();
int matchOffset = JSC::Yarr::RegularExpression(pattern, JSC::Yarr::TextCaseSensitive, JSC::Yarr::MultilineDisabled, JSC::Yarr::UnicodeAwareMode).match(value, 0, &matchLength);
return matchOffset || matchLength != valueLength;
}
bool BaseTextInputType::supportsPlaceholder() const
{
return true;
}
bool BaseTextInputType::supportsSelectionAPI() const
{
return true;
}
} // namespace WebCore