142 lines
5 KiB
C++
142 lines
5 KiB
C++
// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
|
|
// Copyright (C) 2010 Winch Gate Property Limited
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Affero General Public License as
|
|
// published by the Free Software Foundation, either version 3 of the
|
|
// License, or (at your option) any later version.
|
|
//
|
|
// This program 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 Affero General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Affero General Public License
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
#ifndef PERSISTENT_DATA_TREE_H
|
|
#define PERSISTENT_DATA_TREE_H
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Includes
|
|
//-----------------------------------------------------------------------------
|
|
|
|
#include "nel/misc/smart_ptr.h"
|
|
#include "persistent_data.h"
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// class CPersistentDataTreeNode
|
|
//-----------------------------------------------------------------------------
|
|
|
|
class CPersistentDataTreeNode: public NLMISC::CRefCount
|
|
{
|
|
public:
|
|
// typedefs
|
|
typedef NLMISC::CSString TValue;
|
|
typedef NLMISC::CSmartPtr<CPersistentDataTreeNode> TNodePtr;
|
|
typedef NLMISC::CRefPtr<CPersistentDataTreeNode> TNodeRefPtr;
|
|
typedef std::vector<TNodePtr> TChildren;
|
|
typedef std::map<NLMISC::CSString,TNodePtr> TChildIndex;
|
|
typedef std::map<NLMISC::CSString,int> TNextPoundValue;
|
|
|
|
// ctor
|
|
CPersistentDataTreeNode(const NLMISC::CSString& name=NLMISC::CSString(),CPersistentDataTreeNode* parent=NULL);
|
|
CPersistentDataTreeNode(const NLMISC::CSString& name,CPersistentDataTreeNode* parent,uint32 idx);
|
|
|
|
// attaching a node to a parent node
|
|
// - note: it is not possible to detach a node once attached
|
|
bool attachToParent(CPersistentDataTreeNode* parent);
|
|
bool attachToParent(CPersistentDataTreeNode* parent,uint32 idx);
|
|
|
|
// reading / writing pdr objects
|
|
bool readFromPdr(CPersistentDataRecord& pdr);
|
|
bool writeToPdr(CPersistentDataRecord& pdr) const;
|
|
|
|
// writing to a text buffer
|
|
bool writeToBuffer(NLMISC::CSString& buffer) const;
|
|
|
|
// 'name' accessors
|
|
const NLMISC::CSString& getName() const;
|
|
NLMISC::CSString getNodeName() const;
|
|
|
|
// accessor to find out whether this is a standard property or a map entry
|
|
bool isMapEntry() const;
|
|
// flag a branch as being a map (children are map entries)
|
|
// returns true on success, false if the branch
|
|
// contains a value or if the branch contains children that are not map entries
|
|
bool flagAsMap();
|
|
|
|
// 'value' accessors
|
|
void setValue(const TValue& value);
|
|
const TValue& getValue() const;
|
|
const TValue& getValue(const NLMISC::CSString& nameList) const;
|
|
|
|
// 'child' accessors
|
|
const CPersistentDataTreeNode* getChild(const NLMISC::CSString& name) const;
|
|
CPersistentDataTreeNode* getChild(const NLMISC::CSString& name);
|
|
const TChildren& getChildren() const;
|
|
CPersistentDataTreeNode* getDescendant(const NLMISC::CSString& nameList,bool createIfNotExist=false);
|
|
|
|
// compare two tree nodes (verify that their contents are eqivalent)
|
|
bool operator==(const CPersistentDataTreeNode& other) const;
|
|
|
|
private:
|
|
// private data common to all nodes
|
|
NLMISC::CSString _Name;
|
|
TNodeRefPtr _Parent;
|
|
bool _IsValue;
|
|
|
|
// value for leaf nodes
|
|
TValue _Value;
|
|
|
|
// containers for children and associated indexes etc for branch nodes
|
|
TChildren _Children;
|
|
TChildIndex _ChildIndex;
|
|
TNextPoundValue _NextPoundValue;
|
|
bool _IsMap;
|
|
};
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// class CPersistentDataTree
|
|
//-----------------------------------------------------------------------------
|
|
|
|
class CPersistentDataTree
|
|
{
|
|
public:
|
|
// typedefs
|
|
typedef CPersistentDataTreeNode::TValue TValue;
|
|
typedef CPersistentDataTreeNode::TNodePtr TNodePtr;
|
|
|
|
// ctor
|
|
CPersistentDataTree();
|
|
|
|
// reading from different sources
|
|
bool readFromBuffer(const NLMISC::CSString& buffer);
|
|
bool readFromFile(const NLMISC::CSString& fileName);
|
|
bool readFromPdr(CPersistentDataRecord& pdr);
|
|
|
|
// writing to different sources
|
|
bool writeToBuffer(NLMISC::CSString& buffer) const;
|
|
bool writeToFile(const NLMISC::CSString& fileName) const;
|
|
bool writeToPdr(CPersistentDataRecord& pdr) const;
|
|
|
|
// 'value' accessors
|
|
void setValue(const TValue& nodeName,const NLMISC::CSString& value);
|
|
const TValue& getValue(const NLMISC::CSString& nodeName) const;
|
|
|
|
// accessors for navigaiting in the tree
|
|
CPersistentDataTreeNode* getNode(const NLMISC::CSString& nodeName);
|
|
|
|
// compare two data trees (verify that their contents are eqivalent)
|
|
bool operator==(const CPersistentDataTree& other) const;
|
|
|
|
private:
|
|
// private data
|
|
TNodePtr _Child;
|
|
};
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
#endif
|