--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/xmlpatterns/functions/qabstractfunctionfactory_p.h Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,157 @@
+/****************************************************************************
+**
+** 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//
+// 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.
+
+#ifndef Patternist_AbstractFunctionFactory_H
+#define Patternist_AbstractFunctionFactory_H
+
+#include "qcommonnamespaces_p.h"
+#include "qfunctionfactory_p.h"
+#include "qfunctionsignature_p.h"
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+namespace QPatternist
+{
+
+ /**
+ * @short Supplies convenience code for the function factories.
+ *
+ * @ingroup Patternist_functions
+ * @see XPath10CoreFunctions
+ * @see XPath20CoreFunctions
+ * @see XSLT10CoreFunctions
+ * @author Vincent Ricard <magic@magicninja.org>
+ */
+ class AbstractFunctionFactory : public FunctionFactory
+ {
+ public:
+ virtual Expression::Ptr createFunctionCall(const QXmlName name,
+ const Expression::List &arguments,
+ const StaticContext::Ptr &context,
+ const SourceLocationReflection *const r);
+
+ virtual FunctionSignature::Hash functionSignatures() const;
+
+ protected:
+ /**
+ * This function is responsible for creating the actual Expression, corresponding
+ * to @p localName and the function signature @p sign. It is called by
+ * createFunctionCall(), once it have been determined the function actually
+ * exists and have the correct arity.
+ *
+ * This function will only be called for names in the @c fn namespace.
+ */
+ virtual Expression::Ptr retrieveExpression(const QXmlName name,
+ const Expression::List &args,
+ const FunctionSignature::Ptr &sign) const = 0;
+
+ inline
+ FunctionSignature::Ptr addFunction(const QXmlName::LocalNameCode localName,
+ const FunctionSignature::Arity minArgs,
+ const FunctionSignature::Arity maxArgs,
+ const SequenceType::Ptr &returnType,
+ const Expression::Properties props)
+ {
+ return addFunction(localName,
+ minArgs,
+ maxArgs,
+ returnType,
+ Expression::IDIgnorableExpression,
+ props);
+ }
+
+ FunctionSignature::Ptr addFunction(const QXmlName::LocalNameCode &localName,
+ const FunctionSignature::Arity minArgs,
+ const FunctionSignature::Arity maxArgs,
+ const SequenceType::Ptr &returnType,
+ const Expression::ID id = Expression::IDIgnorableExpression,
+ const Expression::Properties props = Expression::Properties(),
+ const StandardNamespaces::ID ns = StandardNamespaces::fn)
+ {
+ const QXmlName name(ns, localName);
+
+ const FunctionSignature::Ptr s(new FunctionSignature(name, minArgs, maxArgs,
+ returnType, props, id));
+
+ m_signatures.insert(name, s);
+ return s;
+ }
+
+ static inline QXmlName::LocalNameCode argument(const NamePool::Ptr &np, const char *const name)
+ {
+ return np->allocateLocalName(QLatin1String(name));
+ }
+
+ FunctionSignature::Hash m_signatures;
+
+ private:
+ /**
+ * @short Determines whether @p arity is a valid number of
+ * arguments for the function with signature @p sign.
+ *
+ * If it is not, a static error with error code ReportContext::XPST0017
+ * is issued via @p context.
+ */
+ void verifyArity(const FunctionSignature::Ptr &sign,
+ const StaticContext::Ptr &context,
+ const xsInteger arity,
+ const SourceLocationReflection *const r) const;
+
+ };
+}
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif