/****************************************************************************+
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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 qt3to4 porting application 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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+
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#include "codemodelattributes.h"+
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#include "tokenengine.h"+
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+
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QT_BEGIN_NAMESPACE+
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+
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using namespace CodeModel;+
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using namespace TokenEngine;+
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+
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/*+
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     Walk the codemodel.+
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*/+
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void CodeModelAttributes::createAttributes(TranslationUnit translationUnit)+
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{+
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    m_translationUnit = translationUnit;+
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    parseScope(const_cast<CodeModel::NamespaceScope *>(translationUnit.codeModel()));+
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}+
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+
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/*+
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    Create attributes for each name use and assign to the token.+
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*/+
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void CodeModelAttributes::parseNameUse(CodeModel::NameUse *nameUse)+
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{+
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    // Get the container for this token.+
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    TokenRef ref = nameUse->nameToken();+
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    const int containerIndex = ref.containerIndex();+
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    TokenAttributes *attributes = ref.tokenContainer().tokenAttributes();+
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+
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    if (!areAttributesEnabled(attributes))+
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        return;+
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+
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    // Test if the nameUse refers to a UnknownType. If so we add and+
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    // "unknown" attribute.+
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    if (TypeMember *typeMember =  nameUse->declaration()->toTypeMember()) {+
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        if (typeMember->type()->toUnknownType()) {+
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            attributes->addAttribute(containerIndex, "unknown", nameUse->name());+
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            return;+
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        }+
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    }+
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+
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    // Add attributes this namnUse.+
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    attributes->addAttribute(containerIndex, "nameUse", nameUse->name());+
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    attributes->addAttribute(containerIndex, "parentScope",+
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                             nameUse->declaration()->parent()->name() );+
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    if (CodeModel::Scope * skop = nameUse->declaration()->parent()->parent()) {+
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        attributes->addAttribute(containerIndex, "grandParentScope", skop->name());+
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    }+
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+
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    createNameTypeAttribute(nameUse);+
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}+
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+
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/*+
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    Create attributes for members and assign to token.+
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*/+
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void CodeModelAttributes::parseMember(CodeModel::Member *member)+
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{+
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    if(!member || member->name() == QByteArray())+
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        return;+
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+
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    //get the container for this token+
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    TokenRef ref = member->nameToken();+
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    const int containerIndex = ref.containerIndex();+
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    TokenAttributes *attributes = ref.tokenContainer().tokenAttributes();+
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+
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    if (areAttributesEnabled(attributes)) {+
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        //add attributes for this declaration+
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        static const QByteArray textDeclaration = "declaration";+
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        attributes->addAttribute(containerIndex, textDeclaration, member->name());+
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        createNameTypeAttribute(member);+
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    }+
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    CodeModelWalker::parseMember(member);+
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}+
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    +
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void CodeModelAttributes::parseFunctionMember(CodeModel::FunctionMember *member)+
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{+
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    CodeModel::ArgumentCollection arguments = member->arguments();+
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    CodeModel::ArgumentCollection::ConstIterator it = arguments.constBegin();+
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    TokenRef ref = member->nameToken();+
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    TokenAttributes *attributes = ref.tokenContainer().tokenAttributes();+
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    +
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    if (areAttributesEnabled(attributes)) {+
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        while (it != arguments.constEnd()) {+
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            const int containerIndex = (*it)->nameToken().containerIndex();+
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            const QByteArray name = (*it)->name();+
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            attributes->addAttribute(containerIndex, "declaration", name);+
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            attributes->addAttribute(containerIndex, "nameType", "variable");+
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            ++it;+
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        }+
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    }+
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    CodeModelWalker::parseFunctionMember(member);+
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}+
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+
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/*+
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    NameType attributes gives information on what kind of member this is.+
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*/+
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void CodeModelAttributes::createNameTypeAttribute(CodeModel::Member *member)+
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{+
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    if(!member)+
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        return;+
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    //get the container for the token accosiated with this member.+
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    TokenRef ref = member->nameToken();+
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    const int containerIndex = ref.containerIndex();+
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    TokenAttributes *attributes = ref.tokenContainer().tokenAttributes();+
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+
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    createNameTypeAttributeAtIndex(attributes, containerIndex, member);+
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}+
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+
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/*+
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    A NameUse has the same NameType as the declaration it is referring to.+
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*/+
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void CodeModelAttributes::createNameTypeAttribute(CodeModel::NameUse *nameUse)+
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{+
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    if(!nameUse)+
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        return;+
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+
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    //get the container for the token accosiated with this NameUse.+
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    TokenRef ref = nameUse->nameToken();+
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    const int containerIndex = ref.containerIndex();+
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    TokenAttributes *attributes = ref.tokenContainer().tokenAttributes();+
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+
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    createNameTypeAttributeAtIndex(attributes, containerIndex, nameUse->declaration());+
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}+
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+
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void CodeModelAttributes::createNameTypeAttributeAtIndex(TokenEngine::TokenAttributes *attributes,+
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                                        int index, CodeModel::Member *member)+
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{+
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    QByteArray nameType = "unknown";+
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    if (member->toFunctionMember()) {+
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        nameType = "function";+
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    } else if (CodeModel::VariableMember *variableMember = member->toVariableMember()) {+
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        if (variableMember->type()->toEnumType())+
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            nameType = "enumerator";+
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        else+
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            nameType = "variable";+
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    } else if (CodeModel::TypeMember *typeMember =  member->toTypeMember()) {+
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        if (CodeModel::Type *type = typeMember->type()) {+
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            if (type->toClassType()) {+
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                nameType = "class";+
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            } else if (type->toEnumType()) {+
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                nameType = "enum";+
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            }+
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        }+
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    }+
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    attributes->addAttribute(index, "nameType", nameType);+
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}+
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+
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bool CodeModelAttributes::areAttributesEnabled(const TokenAttributes *attributes) const+
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{+
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    static const QByteArray tstCreateAttributes("CreateAttributes");+
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    static const QByteArray tstTrue("True");+
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    return (attributes->attribute(tstCreateAttributes) == tstTrue);+
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}+
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+
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+
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QT_END_NAMESPACE+
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