src/xmlpatterns/schema/qnamespacesupport.cpp
changeset 0 1918ee327afb
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/xmlpatterns/schema/qnamespacesupport.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,160 @@
+/****************************************************************************
+**
+** Copyright (C) 2008 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+
+#include "qnamespacesupport_p.h"
+
+QT_BEGIN_NAMESPACE
+
+using namespace QPatternist;
+
+NamespaceSupport::NamespaceSupport()
+{
+}
+
+NamespaceSupport::NamespaceSupport(const NamePool::Ptr &namePool)
+    : m_namePool(namePool)
+{
+    // the XML namespace
+    m_ns.insert(StandardPrefixes::xml, StandardNamespaces::xml);
+}
+
+void NamespaceSupport::setPrefix(const QXmlName::PrefixCode prefixCode, const QXmlName::NamespaceCode namespaceCode)
+{
+    m_ns.insert(prefixCode, namespaceCode);
+}
+
+void NamespaceSupport::setPrefixes(const QXmlStreamNamespaceDeclarations &declarations)
+{
+    for (int i = 0; i < declarations.count(); i++) {
+        const QXmlStreamNamespaceDeclaration declaration = declarations.at(i);
+
+        const QXmlName::PrefixCode prefixCode = m_namePool->allocatePrefix(declaration.prefix().toString());
+        const QXmlName::NamespaceCode namespaceCode = m_namePool->allocateNamespace(declaration.namespaceUri().toString());
+        m_ns.insert(prefixCode, namespaceCode);
+    }
+}
+
+void NamespaceSupport::setTargetNamespace(const QXmlName::NamespaceCode namespaceCode)
+{
+    m_ns.insert(0, namespaceCode);
+}
+
+QXmlName::PrefixCode NamespaceSupport::prefix(const QXmlName::NamespaceCode namespaceCode) const
+{
+    NamespaceHash::const_iterator itc, it = m_ns.constBegin();
+    while ((itc=it) != m_ns.constEnd()) {
+        ++it;
+        if (*itc == namespaceCode)
+            return itc.key();
+    }
+    return 0;
+}
+
+QXmlName::NamespaceCode NamespaceSupport::uri(const QXmlName::PrefixCode prefixCode) const
+{
+    return m_ns.value(prefixCode);
+}
+
+bool NamespaceSupport::processName(const QString& qname, NameType type, QXmlName &name) const
+{
+    int len = qname.size();
+    const QChar *data = qname.constData();
+    for (int pos = 0; pos < len; ++pos) {
+        if (data[pos] == QLatin1Char(':')) {
+            const QXmlName::PrefixCode prefixCode = m_namePool->allocatePrefix(qname.left(pos));
+            if (!m_ns.contains(prefixCode))
+                return false;
+            const QXmlName::NamespaceCode namespaceCode = uri(prefixCode);
+            const QXmlName::LocalNameCode localNameCode = m_namePool->allocateLocalName(qname.mid(pos + 1));
+            name = QXmlName(namespaceCode, localNameCode, prefixCode);
+            return true;
+        }
+    }
+
+    // there was no ':'
+    QXmlName::NamespaceCode namespaceCode = 0;
+    // attributes don't take default namespace
+    if (type == ElementName && !m_ns.isEmpty()) {
+        namespaceCode = m_ns.value(0);   // get default namespace
+    }
+
+    const QXmlName::LocalNameCode localNameCode = m_namePool->allocateLocalName(qname);
+    name = QXmlName(namespaceCode, localNameCode, 0);
+
+    return true;
+}
+
+void NamespaceSupport::pushContext()
+{
+    m_nsStack.push(m_ns);
+}
+
+void NamespaceSupport::popContext()
+{
+    m_ns.clear();
+    if(!m_nsStack.isEmpty())
+        m_ns = m_nsStack.pop();
+}
+
+QList<QXmlName> NamespaceSupport::namespaceBindings() const
+{
+    QList<QXmlName> bindings;
+
+    QHashIterator<QXmlName::PrefixCode, QXmlName::NamespaceCode> it(m_ns);
+    while (it.hasNext()) {
+        it.next();
+        bindings.append(QXmlName(it.value(), StandardLocalNames::empty, it.key()));
+    }
+
+    return bindings;
+}
+
+QT_END_NAMESPACE