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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef _CONFIGMGR_TREE_VALUENODE_HXX
#define _CONFIGMGR_TREE_VALUENODE_HXX
#include "attributes.hxx"
#include "anypair.hxx"
#include <com/sun/star/uno/Any.h>
#include <rtl/ustring.hxx>
#include <string.h>
#ifndef INCLUDED_MEMORY
#include <memory>
#define INCLUDED_MEMORY
#endif
namespace configmgr
{
namespace css = com::sun::star;
namespace uno = css::uno;
class INode;
class ISubtree;
class ValueNode;
// helper (tag) class
namespace treeop { struct NoChildCopy {}; struct DeepChildCopy {}; enum { ALL_LEVELS = -1 }; }
//==========================================================================
//= Visitors
//==========================================================================
struct NodeAction
{
virtual void handle(ValueNode const&) = 0;
virtual void handle(ISubtree const&) = 0;
void applyToNode(INode const&);
void applyToChildren(ISubtree const&);
protected:
virtual ~NodeAction() {}
};
struct NodeModification
{
virtual void handle(ValueNode&) = 0;
virtual void handle(ISubtree&) = 0;
void applyToNode(INode&);
void applyToChildren(ISubtree&);
protected:
virtual ~NodeModification() {}
};
class INode
{
rtl::OUString m_aName;
node::Attributes m_aAttributes;
protected:
INode(){}
void markAsDefault(bool _bDefault = true)
{
m_aAttributes.markAsDefault(_bDefault);
}
public:
explicit
INode(rtl::OUString const& aName, node::Attributes);
virtual ~INode();
virtual std::auto_ptr<INode> clone() const = 0;
public:
const rtl::OUString& getName() const { return m_aName; }
node::Attributes getAttributes() const { return m_aAttributes; }
bool isDefault() const { return m_aAttributes.isDefault(); }
bool isLocalized() const { return m_aAttributes.isLocalized(); }
void modifyState(node::State _eNewState);
void modifyAccess(node::Access _aAccessLevel);
void markMandatory();
void markRemovable();
void promoteAccessToDefault();
// to be used with caution. If the node is referenced from somewhere else under it's old name,
// you may have problems with this inconsistence
void setName(const rtl::OUString& _rNewName) { m_aName = _rNewName; }
virtual ValueNode* asValueNode();
virtual ValueNode const* asValueNode() const;
virtual ISubtree* asISubtree();
virtual ISubtree const* asISubtree() const;
// double dispatch support
virtual void dispatch(NodeAction&) const = 0;
virtual void dispatch(NodeModification&) = 0;
};
// -----------------------------------------------------------------------------
//==========================================================================
//= ISubtree
//==========================================================================
class ISubtree : public INode
{
sal_Int16 m_nLevel; /// determines if everything is read
sal_Int16 m_nDefaultLevels; /// determines if defaults are read
rtl::OUString m_sId;
rtl::OUString m_sTemplateName; /// path of the template for child instantiation
rtl::OUString m_sTemplateModule; /// module of the template for child instantiation
virtual INode* doGetChild(rtl::OUString const& name) const = 0;
protected:
ISubtree():m_nLevel(0){}
ISubtree(ISubtree const& other)
:INode(other)
,m_nLevel(other.m_nLevel)
,m_nDefaultLevels(other.m_nDefaultLevels)
,m_sId() // do not copy ID while cloning !
,m_sTemplateName(other.m_sTemplateName)
,m_sTemplateModule(other.m_sTemplateModule)
{}
public:
// Ctor for group trees
ISubtree(const rtl::OUString& aName, const node::Attributes& _rAttrs)
:INode(aName, _rAttrs)
,m_nLevel(0)
,m_nDefaultLevels(0)
{}
// Ctor for set trees
ISubtree(const rtl::OUString& aName,
const rtl::OUString& _rTemplateName,
const rtl::OUString& _rTemplateModule,
const node::Attributes& _rAttrs)
:INode(aName, _rAttrs)
,m_nLevel(0)
,m_nDefaultLevels(0)
,m_sTemplateName(_rTemplateName)
,m_sTemplateModule(_rTemplateModule){}
INode* getChild(rtl::OUString const& name) { return doGetChild(name); }
INode const* getChild(rtl::OUString const& name) const { return doGetChild(name); }
ISubtree* asISubtree();
ISubtree const* asISubtree() const;
using INode::markAsDefault;
sal_Int16 getLevel() const { return m_nLevel; }
void setLevels(sal_Int16 _nLevel,sal_Int16 _nDefaultsLevel);
bool isSetNode() const { return m_sTemplateName.getLength() != 0; }
void makeSetNode(rtl::OUString const& _sTemplateName, rtl::OUString const& _sTemplateModule)
{ m_sTemplateName = _sTemplateName; m_sTemplateModule = _sTemplateModule; }
rtl::OUString const& getElementTemplateName() const { return m_sTemplateName; }
rtl::OUString const& getElementTemplateModule() const { return m_sTemplateModule; }
virtual INode* addChild(std::auto_ptr<INode> node) =0; // takes ownership
virtual ::std::auto_ptr<INode> removeChild(rtl::OUString const& name) =0; // releases ownership
// Iteration support, stop if (action returns true)
virtual void forEachChild(NodeAction& anAction) const = 0;
virtual void forEachChild(NodeModification& anAction) = 0;
// double dispatch support
virtual void dispatch(NodeAction& anAction) const { anAction.handle(*this); }
virtual void dispatch(NodeModification& anAction) { anAction.handle(*this); }
};
//==========================================================================
//= ValueNode
//==========================================================================
class ValueNode : public INode
{
AnyPair m_aValuePair;
// uno::Type m_aType;
// uno::Any m_aValue;
// uno::Any m_aDefaultValue;
public:
//ValueNode(){}
//explicit ValueNode(node::Attributes _aAttrs):INode(_aAttrs){}
/*
ValueNode(rtl::OUString const& aName, node::Attributes _aAttrs)
: INode(aName, _aAttrs)
, m_aValuePair()
{}
*/
ValueNode(rtl::OUString const& aName,uno::Type const& aType, node::Attributes _aAttrs)
: INode(aName, _aAttrs)
, m_aValuePair(aType)
{
}
ValueNode(rtl::OUString const& aName,uno::Any const& anAny, node::Attributes _aAttrs)
: INode(aName, _aAttrs)
, m_aValuePair(anAny, selectMember(_aAttrs.isDefault()))
{
}
ValueNode(rtl::OUString const& aName,uno::Any const& anAny,uno::Any const& aDefault, node::Attributes _aAttrs)
: INode(aName, _aAttrs)
, m_aValuePair(anAny, aDefault)
{
}
bool isEmpty() const {return m_aValuePair.isEmpty();}
bool isValid() const {return !m_aValuePair.isEmpty();}
bool isNull() const {return m_aValuePair.isNull();}
bool hasUsableDefault() const {return getAttributes().isNullable() || m_aValuePair.hasSecond();}
uno::Type getValueType() const {return m_aValuePair.getValueType();}
uno::Any getValue() const {return m_aValuePair.getValue( selectMember(this->isDefault()) );}
uno::Any getUserValue() const {return m_aValuePair.getFirst();}
uno::Any getDefault() const {return m_aValuePair.getSecond();}
bool setValueType(uno::Type const& _aType);
bool setValue(uno::Any const& _aValue);
void setDefault();
bool changeDefault(uno::Any const& _aValue);
void promoteToDefault();
virtual std::auto_ptr<INode> clone() const;
ValueNode* asValueNode();
ValueNode const* asValueNode() const;
// double dispatch support
virtual void dispatch(NodeAction& anAction) const { anAction.handle(*this); }
virtual void dispatch(NodeModification& anAction) { anAction.handle(*this); }
private:
static AnyPair::SelectMember selectValue() { return AnyPair::SELECT_FIRST; }
static AnyPair::SelectMember selectDeflt() { return AnyPair::SELECT_SECOND; }
static AnyPair::SelectMember selectMember(bool bDeflt)
{ return bDeflt ? AnyPair::SELECT_SECOND : AnyPair::SELECT_FIRST; }
};
//==========================================================================
extern bool isLocalizedValueSet(ISubtree const& _aSubtree);
//==========================================================================
//= inlines
//==========================================================================
inline void NodeAction::applyToNode(INode const& aNode)
{ aNode.dispatch(*this); }
inline void NodeAction::applyToChildren(ISubtree const& aSubtree)
{ aSubtree.forEachChild(*this); }
inline void NodeModification::applyToNode(INode& aNode)
{ aNode.dispatch(*this); }
inline void NodeModification::applyToChildren(ISubtree& aSubtree)
{ aSubtree.forEachChild(*this); }
} // namespace configmgr
#endif
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