/* * 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