src/xmlpatterns/functions/qconstructorfunctionsfactory.cpp
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/xmlpatterns/functions/qconstructorfunctionsfactory.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,114 @@
+/****************************************************************************
+**
+** 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 "qatomictype_p.h"
+#include "qbuiltintypes_p.h"
+#include "qcastas_p.h"
+#include "qcommonnamespaces_p.h"
+#include "qcommonsequencetypes_p.h"
+#include "qfunctionargument_p.h"
+#include "qfunctioncall_p.h"
+#include "qgenericsequencetype_p.h"
+#include "qschematype_p.h"
+#include "qschematypefactory_p.h"
+
+#include "qconstructorfunctionsfactory_p.h"
+
+QT_BEGIN_NAMESPACE
+
+using namespace QPatternist;
+
+ConstructorFunctionsFactory::ConstructorFunctionsFactory(const NamePool::Ptr &np, const SchemaTypeFactory::Ptr &f) : m_typeFactory(f)
+{
+    Q_ASSERT(m_typeFactory);
+    Q_ASSERT(np);
+    SchemaType::Hash::const_iterator it(m_typeFactory->types().constBegin());
+    const SchemaType::Hash::const_iterator end(m_typeFactory->types().constEnd());
+
+    FunctionArgument::List args;
+    const QXmlName argName(StandardNamespaces::empty, StandardLocalNames::sourceValue);
+
+    args.append(FunctionArgument::Ptr(new FunctionArgument(argName,
+                                                           CommonSequenceTypes::ZeroOrOneAtomicType)));
+
+    while(it != end)
+    {
+        if(!BuiltinTypes::xsAnyAtomicType->wxsTypeMatches(*it) ||
+           *BuiltinTypes::xsAnyAtomicType == *static_cast<const AtomicType *>((*it).data()) ||
+           *BuiltinTypes::xsNOTATION == *static_cast<const AtomicType *>((*it).data()))
+        {
+            /* It's not a valid type for a constructor function -- skip it. */
+            ++it;
+            continue;
+        }
+
+        const QXmlName name((*it)->name(np));
+        FunctionSignature::Ptr s(new FunctionSignature(name, 1, 1,
+                                                       makeGenericSequenceType(AtomicType::Ptr(*it),
+                                                                               Cardinality::zeroOrOne())));
+        s->setArguments(args);
+        m_signatures.insert(name, s);
+        ++it;
+    }
+}
+
+Expression::Ptr ConstructorFunctionsFactory::retrieveExpression(const QXmlName name,
+                                                                const Expression::List &args,
+                                                                const FunctionSignature::Ptr &sign) const
+{
+    Q_UNUSED(sign);
+
+    /* This function is only called if the callsite is valid, so createSchemaType() will always
+     * return an AtomicType. */
+    const AtomicType::Ptr at(static_cast<AtomicType *>(m_typeFactory->createSchemaType(name).data()));
+
+    return Expression::Ptr(new CastAs(args.first(),
+                                      makeGenericSequenceType(at,
+                                                              Cardinality::zeroOrOne())));
+}
+
+FunctionSignature::Ptr ConstructorFunctionsFactory::retrieveFunctionSignature(const NamePool::Ptr &np, const QXmlName name)
+{
+    Q_UNUSED(np);
+    return functionSignatures().value(name);
+}
+
+QT_END_NAMESPACE