src/xmlpatterns/expr/qattributenamevalidator.cpp
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/xmlpatterns/expr/qattributenamevalidator.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,109 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 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 "qbuiltintypes_p.h"
+#include "qcommonnamespaces_p.h"
+#include "qcommonsequencetypes_p.h"
+#include "qpatternistlocale_p.h"
+#include "qqnamevalue_p.h"
+#include "qatomicstring_p.h"
+
+#include "qattributenamevalidator_p.h"
+
+QT_BEGIN_NAMESPACE
+
+using namespace QPatternist;
+
+AttributeNameValidator::AttributeNameValidator(const Expression::Ptr &source) : SingleContainer(source)
+{
+}
+
+Item AttributeNameValidator::evaluateSingleton(const DynamicContext::Ptr &context) const
+{
+    const Item name(m_operand->evaluateSingleton(context));
+    const QXmlName qName(name.as<QNameValue>()->qName());
+
+    if(qName.namespaceURI() == StandardNamespaces::xmlns)
+    {
+        context->error(QtXmlPatterns::tr("The namespace URI in the name for a "
+                                         "computed attribute cannot be %1.")
+                       .arg(formatURI(CommonNamespaces::XMLNS)),
+                       ReportContext::XQDY0044, this);
+        return Item(); /* Silence warning. */
+    }
+    else if(qName.namespaceURI() == StandardNamespaces::empty &&
+            qName.localName() == StandardLocalNames::xmlns)
+    {
+        context->error(QtXmlPatterns::tr("The name for a computed attribute "
+                                         "cannot have the namespace URI %1 "
+                                         "with the local name %2.")
+                          .arg(formatURI(CommonNamespaces::XMLNS))
+                          .arg(formatKeyword("xmlns")),
+                       ReportContext::XQDY0044, this);
+        return Item(); /* Silence warning. */
+    }
+    else if(!qName.hasPrefix() && qName.hasNamespace())
+    {
+        return Item(QNameValue::fromValue(context->namePool(),
+                                          QXmlName(qName.namespaceURI(), qName.localName(), StandardPrefixes::ns0)));
+    }
+    else
+        return name;
+}
+
+SequenceType::Ptr AttributeNameValidator::staticType() const
+{
+    return m_operand->staticType();
+}
+
+SequenceType::List AttributeNameValidator::expectedOperandTypes() const
+{
+    SequenceType::List result;
+    result.append(CommonSequenceTypes::ExactlyOneQName);
+    return result;
+}
+
+ExpressionVisitorResult::Ptr AttributeNameValidator::accept(const ExpressionVisitor::Ptr &visitor) const
+{
+    return visitor->visit(this);
+}
+
+QT_END_NAMESPACE