diff options
Diffstat (limited to 'src/xmlpatterns/functions/qcomparestringfns.cpp')
-rw-r--r-- | src/xmlpatterns/functions/qcomparestringfns.cpp | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/src/xmlpatterns/functions/qcomparestringfns.cpp b/src/xmlpatterns/functions/qcomparestringfns.cpp new file mode 100644 index 0000000..79fa0ea --- /dev/null +++ b/src/xmlpatterns/functions/qcomparestringfns.cpp @@ -0,0 +1,102 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtXmlPatterns module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qcommonnamespaces_p.h" + +#include "qboolean_p.h" +#include "qcommonvalues_p.h" +#include "qinteger_p.h" +#include "qatomicstring_p.h" + +#include "qcomparestringfns_p.h" + +QT_BEGIN_NAMESPACE + +using namespace QPatternist; + +Item CodepointEqualFN::evaluateSingleton(const DynamicContext::Ptr &context) const +{ + const Item op1(m_operands.first()->evaluateSingleton(context)); + if(!op1) + return Item(); + + const Item op2(m_operands.last()->evaluateSingleton(context)); + if(!op2) + return Item(); + + if(caseSensitivity() == Qt::CaseSensitive) + return Boolean::fromValue(op1.stringValue() == op2.stringValue()); + else + { + const QString s1(op1.stringValue()); + const QString s2(op2.stringValue()); + + return Boolean::fromValue(s1.length() == s2.length() && + s1.startsWith(s2, Qt::CaseInsensitive)); + } +} + +Item CompareFN::evaluateSingleton(const DynamicContext::Ptr &context) const +{ + const Item op1(m_operands.first()->evaluateSingleton(context)); + if(!op1) + return Item(); + + const Item op2(m_operands.at(1)->evaluateSingleton(context)); + if(!op2) + return Item(); + + const int retval = caseSensitivity() == Qt::CaseSensitive + ? op1.stringValue().compare(op2.stringValue()) + : op1.stringValue().toLower().compare(op2.stringValue().toLower()); + + if(retval > 0) + return CommonValues::IntegerOne; + else if(retval < 0) + return CommonValues::IntegerOneNegative; + else + { + Q_ASSERT(retval == 0); + return CommonValues::IntegerZero; + } +} + +QT_END_NAMESPACE |