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Diffstat (limited to 'src/xmlpatterns/functions/qaccessorfns.cpp')
-rw-r--r-- | src/xmlpatterns/functions/qaccessorfns.cpp | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/src/xmlpatterns/functions/qaccessorfns.cpp b/src/xmlpatterns/functions/qaccessorfns.cpp new file mode 100644 index 0000000..f789cd9 --- /dev/null +++ b/src/xmlpatterns/functions/qaccessorfns.cpp @@ -0,0 +1,159 @@ +/**************************************************************************** +** +** 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 "qanyuri_p.h" +#include "qboolean_p.h" +#include "qbuiltintypes_p.h" +#include "qcommonvalues_p.h" +#include "qliteral_p.h" +#include "qitem_p.h" +#include "qqnamevalue_p.h" +#include "qatomicstring_p.h" + +#include "qaccessorfns_p.h" + +QT_BEGIN_NAMESPACE + +using namespace QPatternist; + +Item NodeNameFN::evaluateSingleton(const DynamicContext::Ptr &context) const +{ + const Item item(m_operands.first()->evaluateSingleton(context)); + + if(item) + { + const QXmlName name(item.asNode().name()); + + if(name.isNull()) + return Item(); + else + return toItem(QNameValue::fromValue(context->namePool(), name)); + } + else + return Item(); +} + +Item NilledFN::evaluateSingleton(const DynamicContext::Ptr &context) const +{ + const Item item(m_operands.first()->evaluateSingleton(context)); + + if(item && item.asNode().kind() == QXmlNodeModelIndex::Element) + { + /* We have no access to the PSVI -- always return false. */ + return CommonValues::BooleanFalse; + } + else + return Item(); +} + +Item StringFN::evaluateSingleton(const DynamicContext::Ptr &context) const +{ + const Item item(m_operands.first()->evaluateSingleton(context)); + + if(item) + return AtomicString::fromValue(item.stringValue()); + else + return CommonValues::EmptyString; +} + +Expression::Ptr StringFN::typeCheck(const StaticContext::Ptr &context, + const SequenceType::Ptr &reqType) +{ + const Expression::Ptr me(FunctionCall::typeCheck(context, reqType)); + if(me != this) + return me; + + if(BuiltinTypes::xsString->xdtTypeMatches(m_operands.first()->staticType()->itemType())) + return m_operands.first(); /* No need for string(), it's already a string. */ + else + return me; +} + +Item BaseURIFN::evaluateSingleton(const DynamicContext::Ptr &context) const +{ + const Item node(m_operands.first()->evaluateSingleton(context)); + + if(node) + { + const QUrl base(node.asNode().baseUri()); + + if(base.isEmpty()) + return Item(); + else if(base.isValid()) + { + Q_ASSERT_X(!base.isRelative(), Q_FUNC_INFO, + "The base URI must be absolute."); + return toItem(AnyURI::fromValue(base)); + } + else + return Item(); + } + else + return Item(); +} + +Item DocumentURIFN::evaluateSingleton(const DynamicContext::Ptr &context) const +{ + const Item node(m_operands.first()->evaluateSingleton(context)); + + if(node) + { + const QUrl documentURI(node.asNode().documentUri()); + + if(documentURI.isValid()) + { + if(documentURI.isEmpty()) + return Item(); + else + { + Q_ASSERT_X(!documentURI.isRelative(), Q_FUNC_INFO, + "The document URI must be absolute."); + return toItem(AnyURI::fromValue(documentURI)); + } + } + else + return Item(); + } + else + return Item(); +} + +QT_END_NAMESPACE |