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authorLars Knoll <lars.knoll@nokia.com>2009-03-23 09:18:55 (GMT)
committerSimon Hausmann <simon.hausmann@nokia.com>2009-03-23 09:18:55 (GMT)
commite5fcad302d86d316390c6b0f62759a067313e8a9 (patch)
treec2afbf6f1066b6ce261f14341cf6d310e5595bc1 /src/xmlpatterns/functions/qsubstringfns.cpp
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Long live Qt 4.5!
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qboolean_p.h"
+#include "qcommonvalues_p.h"
+#include "qliteral_p.h"
+#include "qatomicstring_p.h"
+
+#include "qsubstringfns_p.h"
+
+QT_BEGIN_NAMESPACE
+
+using namespace QPatternist;
+
+Item ContainsFN::evaluateSingleton(const DynamicContext::Ptr &context) const
+{
+ const Item op1(m_operands.first()->evaluateSingleton(context));
+ QString str1;
+
+ if(op1)
+ str1 = op1.stringValue();
+
+ const Item op2(m_operands.at(1)->evaluateSingleton(context));
+ QString str2;
+
+ if(op2)
+ str2 = op2.stringValue();
+
+ if(str2.isEmpty())
+ return CommonValues::BooleanTrue;
+
+ if(str1.isEmpty())
+ return CommonValues::BooleanFalse;
+
+ return Boolean::fromValue(str1.contains(str2, caseSensitivity()));
+}
+
+Item StartsWithFN::evaluateSingleton(const DynamicContext::Ptr &context) const
+{
+ const Item op1(m_operands.first()->evaluateSingleton(context));
+ QString str1;
+
+ if(op1)
+ str1 = op1.stringValue();
+
+ const Item op2(m_operands.at(1)->evaluateSingleton(context));
+ QString str2;
+
+ if(op2)
+ str2 = op2.stringValue();
+
+ if(str2.isEmpty())
+ return CommonValues::BooleanTrue;
+
+ if(str1.isEmpty())
+ return CommonValues::BooleanFalse;
+
+ return Boolean::fromValue(str1.startsWith(str2, caseSensitivity()));
+}
+
+Item EndsWithFN::evaluateSingleton(const DynamicContext::Ptr &context) const
+{
+ const Item op1(m_operands.first()->evaluateSingleton(context));
+ QString str1;
+
+ if(op1)
+ str1 = op1.stringValue();
+
+ const Item op2(m_operands.at(1)->evaluateSingleton(context));
+ QString str2;
+
+ if(op2)
+ str2 = op2.stringValue();
+
+ if(str2.isEmpty())
+ return CommonValues::BooleanTrue;
+
+ if(str1.isEmpty())
+ return CommonValues::BooleanFalse;
+
+ return Boolean::fromValue(str1.endsWith(str2, caseSensitivity()));
+}
+
+Item SubstringBeforeFN::evaluateSingleton(const DynamicContext::Ptr &context) const
+{
+ const Item op1(m_operands.first()->evaluateSingleton(context));
+ QString str1;
+
+ if(op1)
+ str1 = op1.stringValue();
+
+ const Item op2(m_operands.at(1)->evaluateSingleton(context));
+ QString str2;
+
+ if(op2)
+ str2 = op2.stringValue();
+
+ const int pos = str1.indexOf(str2);
+ if(pos == -1)
+ return CommonValues::EmptyString;
+
+ return AtomicString::fromValue(QString(str1.left(pos)));
+}
+
+Item SubstringAfterFN::evaluateSingleton(const DynamicContext::Ptr &context) const
+{
+ const Item op1(m_operands.first()->evaluateSingleton(context));
+ QString str1;
+
+ if(op1)
+ str1 = op1.stringValue();
+
+ const Item op2(m_operands.at(1)->evaluateSingleton(context));
+ QString str2;
+
+ if(op2)
+ str2 = op2.stringValue();
+
+ if(str2.isEmpty())
+ {
+ if(op1)
+ return op1;
+ else
+ return CommonValues::EmptyString;
+ }
+
+ const int pos = str1.indexOf(str2);
+
+ if(pos == -1)
+ return CommonValues::EmptyString;
+
+ return AtomicString::fromValue(QString(str1.right(str1.length() - (pos + str2.length()))));
+}
+
+QT_END_NAMESPACE