src/xmlpatterns/functions/qfunctionfactorycollection.cpp
author Alex Gilkes <alex.gilkes@nokia.com>
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/****************************************************************************
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**
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtXmlPatterns module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file.  Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights.  These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "qbasictypesfactory_p.h"
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#include "qconstructorfunctionsfactory_p.h"
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#include "qfunctioncall_p.h"
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#include "qxpath10corefunctions_p.h"
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#include "qxpath20corefunctions_p.h"
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#include "qxslt20corefunctions_p.h"
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#include "qfunctionfactorycollection_p.h"
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QT_BEGIN_NAMESPACE
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using namespace QPatternist;
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Expression::Ptr FunctionFactoryCollection::createFunctionCall(const QXmlName name,
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                                                              const Expression::List &arguments,
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                                                              const StaticContext::Ptr &context,
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                                                              const SourceLocationReflection *const r)
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{
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    const_iterator it;
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    const_iterator e(constEnd());
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    Expression::Ptr function;
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    for(it = constBegin(); it != e; ++it)
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    {
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        function = (*it)->createFunctionCall(name, arguments, context, r);
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        if(function)
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            break;
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    }
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    return function;
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}
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bool FunctionFactoryCollection::isAvailable(const NamePool::Ptr &np, const QXmlName name, const xsInteger arity)
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{
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    const_iterator it;
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    const_iterator e(constEnd());
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    for(it = constBegin(); it != e; ++it)
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        if((*it)->isAvailable(np, name, arity))
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            return true;
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    return false;
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}
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FunctionSignature::Hash FunctionFactoryCollection::functionSignatures() const
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{
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    /* We simply grab the function signatures for each library, and
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     * put them all in one list. */
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    const const_iterator e(constEnd());
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    FunctionSignature::Hash result;
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    for(const_iterator it(constBegin()); it != e; ++it)
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    {
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        const FunctionSignature::Hash::const_iterator e2((*it)->functionSignatures().constEnd());
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        FunctionSignature::Hash::const_iterator sit((*it)->functionSignatures().constBegin());
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        for(; sit != e2; ++sit)
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            result.insert(sit.key(), sit.value());
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    }
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    return result;
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}
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FunctionSignature::Ptr FunctionFactoryCollection::retrieveFunctionSignature(const NamePool::Ptr &, const QXmlName name)
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{
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    return functionSignatures().value(name);
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}
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FunctionFactory::Ptr FunctionFactoryCollection::xpath10Factory()
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{
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    /* We don't use a global static for caching this, because AbstractFunctionFactory
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     * stores state specific to the NamePool, when being used. */
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    return  FunctionFactory::Ptr(new XPath10CoreFunctions());
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}
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FunctionFactory::Ptr FunctionFactoryCollection::xpath20Factory(const NamePool::Ptr &np)
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{
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    /* We don't use a global static for caching this, because AbstractFunctionFactory
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     * stores state specific to the NamePool, when being used. */
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    const FunctionFactoryCollection::Ptr fact(new FunctionFactoryCollection());
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    fact->append(xpath10Factory());
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    fact->append(FunctionFactory::Ptr(new XPath20CoreFunctions()));
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    fact->append(FunctionFactory::Ptr(
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                            new ConstructorFunctionsFactory(np, BasicTypesFactory::self(np))));
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    return fact;
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}
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FunctionFactory::Ptr FunctionFactoryCollection::xslt20Factory(const NamePool::Ptr &np)
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{
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    const FunctionFactory::Ptr retval(xpath20Factory(np));
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    static_cast<FunctionFactoryCollection *>(retval.data())->append(FunctionFactory::Ptr(new XSLT20CoreFunctions()));
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    return retval;
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}
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QT_END_NAMESPACE