565 lines
14 KiB
C++
565 lines
14 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 R2_OBJECT_H
|
|
#define R2_OBJECT_H
|
|
|
|
|
|
#include "nel/misc/types_nl.h"
|
|
#include "nel/misc/smart_ptr.h"
|
|
#include "nel/misc/time_nl.h"
|
|
#include "nel/misc/mem_stream.h"
|
|
|
|
#include <string>
|
|
#include <vector>
|
|
#include <list>
|
|
#include <map>
|
|
#include <queue>
|
|
|
|
namespace R2
|
|
{
|
|
|
|
|
|
class CObject;
|
|
class CObjectTable;
|
|
class CObjectString;
|
|
class CObjectRefId;
|
|
class CObjectNumber;
|
|
class CSerializeContext;
|
|
|
|
|
|
// vistor triggered at traversal of object tree. see CObject::visit
|
|
struct IObjectVisitor
|
|
{
|
|
virtual void visit(CObjectRefId &/* obj */) {}
|
|
virtual void visit(CObjectString &/* obj */) {}
|
|
virtual void visit(CObjectNumber &/* obj */) {}
|
|
virtual void visit(CObjectTable &/* obj */) {}
|
|
};
|
|
|
|
|
|
class CObject : public NLMISC::CRefCount
|
|
{
|
|
public:
|
|
typedef NLMISC::CRefPtr<CObject> TRefPtr;
|
|
typedef NLMISC::CSmartPtr<CObject> TSmartPtr;
|
|
|
|
// recursively visit hierarchy of objects
|
|
void visit(IObjectVisitor &visitor);
|
|
|
|
virtual ~CObject();
|
|
|
|
virtual CObject* clone() const;
|
|
|
|
void serialize(std::string& out) const;
|
|
|
|
virtual void doSerialize(std::string& out, CSerializeContext& context) const = 0;
|
|
|
|
virtual const char *getTypeAsString() const = 0;
|
|
|
|
CObject* findAttr(const std::string & first) const;
|
|
|
|
CObject* findAttr(const std::string & first, const std::string & second) const;
|
|
|
|
CObject* findAttr(const std::string & first, const std::string & second, const std::string & third) const;
|
|
|
|
CObject* findAttr(const std::vector<std::string>& attrName ) const;
|
|
// test type
|
|
bool isNumber(const std::string & prop="") const;
|
|
|
|
bool isString(const std::string & prop="") const;
|
|
|
|
bool isTable(const std::string & prop="") const;
|
|
|
|
bool isRefId(const std::string & prop="") const;
|
|
|
|
virtual bool insert(const std::string & key, CObject * value, sint32 position = -1);
|
|
|
|
// to Value
|
|
double toNumber(const std::string & prop="") const;
|
|
|
|
std::string toString(const std::string & prop="") const;
|
|
|
|
CObjectTable* toTable(const std::string & prop="") const;
|
|
|
|
|
|
virtual sint32 findIndex(const CObject* child) const;
|
|
|
|
// find index from a key, or -1 if not found
|
|
virtual sint32 findIndex(const std::string &key) const;
|
|
|
|
// as table
|
|
virtual CObject* getAttr(const std::string & name) const;
|
|
|
|
virtual std::string getKey(uint32 pos) const;
|
|
|
|
virtual CObject* getValue(uint32 pos) const;
|
|
|
|
virtual uint32 getSize() const;
|
|
|
|
virtual CObject* take(sint32 pos);
|
|
|
|
virtual bool canTake(sint32 pos) const;
|
|
|
|
|
|
// add Value
|
|
|
|
void add(const std::string & key, CObject* value);
|
|
|
|
void add(CObject* value);
|
|
|
|
void add(const std::string& key, const std::string & value);
|
|
|
|
void add(const std::string& key, double value);
|
|
|
|
|
|
// set Value
|
|
virtual bool set(const std::string& key, const std::string & value);
|
|
|
|
virtual bool set(const std::string& key, double value);
|
|
|
|
virtual bool setObject(const std::string& key, CObject* value);
|
|
|
|
CObject* getParent() const;
|
|
|
|
void setParent(CObject* parent);
|
|
|
|
// tmp for debug
|
|
virtual void dump(const std::string prefix = "", uint depth = 0) const = 0;
|
|
|
|
/** In place copy of object "src" into this object
|
|
* Type and fields must match, otherwise error msg are printed
|
|
*/
|
|
void inPlaceCopy(const CObject &src);
|
|
|
|
virtual bool equal(const CObject* /* other */) const { return false; }
|
|
|
|
static std::string uint32ToInstanceId(uint32 id);
|
|
|
|
static uint32 instanceIdToUint32(const std::string& instanceId);
|
|
|
|
// set / get the 'ghost' flag, meaning that this objet only exist for the client
|
|
bool getGhost() const;
|
|
virtual void setGhost(bool ghost);
|
|
|
|
virtual void checkIntegrity() const {}
|
|
|
|
/** Find the shortest name for this object as a (instanceId, attrName, position) triplet
|
|
* \return false if such a name could not be found
|
|
*/
|
|
bool getShortestName(std::string &instanceId, std::string &attrName, sint32 &position) const;
|
|
bool getNameInParent(std::string &instanceId, std::string &attrName, sint32 &position) const;
|
|
|
|
|
|
|
|
protected:
|
|
explicit CObject();
|
|
|
|
virtual bool doIsNumber() const;
|
|
|
|
virtual bool doIsString() const;
|
|
|
|
virtual bool doIsTable() const;
|
|
|
|
virtual bool doIsRefId() const;
|
|
|
|
virtual double doToNumber() const;
|
|
|
|
virtual std::string doToString() const;
|
|
|
|
virtual CObjectTable* doToTable() const;
|
|
|
|
|
|
public:
|
|
virtual void previsit(std::vector<TRefPtr> &sons);
|
|
|
|
public:
|
|
virtual void inPlaceCopyTo(CObject &dest) const = 0;
|
|
virtual void inPlaceCopy(const CObjectString &src);
|
|
virtual void inPlaceCopy(const CObjectNumber &src);
|
|
virtual void inPlaceCopy(const CObjectTable &src);
|
|
protected:
|
|
void copyMismatchMsg(const CObject &src);
|
|
virtual void visitInternal(IObjectVisitor &visitor) = 0;
|
|
|
|
private:
|
|
CObject* _Parent;
|
|
|
|
protected:
|
|
bool _Ghost;
|
|
|
|
uint32 _Validation;
|
|
};
|
|
|
|
/*inline std::ostream& operator<<( std::ostream& os,
|
|
const CObject& c ) {
|
|
|
|
c.serialize(os);
|
|
return os;
|
|
}*/
|
|
|
|
class CObjectString : public CObject
|
|
{
|
|
public:
|
|
explicit CObjectString(const std::string & value);
|
|
|
|
virtual const char *getTypeAsString() const;
|
|
|
|
virtual CObject* clone() const;
|
|
|
|
virtual bool set(const std::string& key, const std::string & value);
|
|
|
|
virtual bool setObject(const std::string& key, CObject* value);
|
|
|
|
const std::string &getValue() const { return _Value; }
|
|
|
|
virtual void dump(const std::string prefix = "", uint depth = 0) const;
|
|
|
|
virtual bool equal(const CObject* other) const;
|
|
|
|
protected:
|
|
virtual void visitInternal(IObjectVisitor &visitor);
|
|
|
|
virtual void doSerialize(std::string& out, CSerializeContext& context) const;
|
|
|
|
virtual std::string doToString() const;
|
|
|
|
virtual bool doIsString() const;
|
|
|
|
virtual void inPlaceCopyTo(CObject &dest) const;
|
|
virtual void inPlaceCopy(const CObjectString &src);
|
|
|
|
private:
|
|
std::string _Value;
|
|
|
|
};
|
|
|
|
|
|
// A single string from the server viewpoint
|
|
// From client viewpoint, derived class 'observes' a target object and tells when it has been deleted
|
|
// or created
|
|
class CObjectRefId : public CObjectString
|
|
{
|
|
public:
|
|
explicit CObjectRefId(const std::string & value);
|
|
~CObjectRefId();
|
|
virtual const char *getTypeAsString() const;
|
|
virtual CObject* clone() const;
|
|
virtual bool equal(const CObject* other) const;
|
|
protected:
|
|
virtual void visitInternal(IObjectVisitor &visitor);
|
|
virtual bool doIsRefId() const;
|
|
virtual void doSerialize(std::string& out, CSerializeContext& context) const;
|
|
};
|
|
|
|
|
|
class CObjectNumber : public CObject
|
|
{
|
|
|
|
public:
|
|
explicit CObjectNumber(double value);
|
|
|
|
virtual const char *getTypeAsString() const;
|
|
|
|
virtual bool set(const std::string& key, double value);
|
|
virtual bool set(const std::string& key, const std::string&value);
|
|
|
|
virtual bool setObject(const std::string& key, CObject* value);
|
|
|
|
virtual CObject* clone() const;
|
|
|
|
double getValue() const { return _Value; }
|
|
|
|
virtual void dump(const std::string prefix = "", uint depth = 0) const;
|
|
|
|
virtual bool equal(const CObject* other) const;
|
|
|
|
protected:
|
|
virtual void doSerialize(std::string& out, CSerializeContext& context) const;
|
|
|
|
virtual bool doIsNumber() const;
|
|
|
|
virtual double doToNumber() const;
|
|
|
|
virtual std::string doToString() const;
|
|
|
|
virtual void inPlaceCopyTo(CObject &dest) const;
|
|
virtual void inPlaceCopy(const CObjectNumber &src);
|
|
|
|
virtual void visitInternal(IObjectVisitor &visitor);
|
|
|
|
private:
|
|
double _Value;
|
|
|
|
};
|
|
|
|
class CObjectTable: public CObject
|
|
{
|
|
|
|
public:
|
|
typedef NLMISC::CRefPtr<CObjectTable> TRefPtr;
|
|
typedef NLMISC::CRefPtr<const CObjectTable> TRefPtrConst;
|
|
|
|
explicit CObjectTable();
|
|
|
|
virtual ~CObjectTable();
|
|
|
|
virtual const char *getTypeAsString() const;
|
|
|
|
virtual bool insert(const std::string & key, CObject * value, sint32 pos);
|
|
|
|
virtual CObject* clone() const;
|
|
|
|
virtual void doSerialize(std::string& out, CSerializeContext& context) const;
|
|
|
|
virtual CObject* getAttr(const std::string & name) const;
|
|
|
|
|
|
virtual std::string getKey(uint32 pos) const;
|
|
|
|
virtual CObject* getValue(uint32 pos) const;
|
|
|
|
virtual sint32 findIndex(const CObject* child) const;
|
|
|
|
// find index from a key, or -1 if not found
|
|
virtual sint32 findIndex(const std::string &key) const;
|
|
|
|
virtual uint32 getSize() const;
|
|
|
|
virtual bool set(const std::string& key, const std::string & value);
|
|
|
|
virtual bool set(const std::string& key, double value);
|
|
|
|
virtual bool setObject(const std::string& key, CObject* value);
|
|
|
|
virtual CObject* take(sint32 pos);
|
|
|
|
virtual bool canTake(sint32 pos) const;
|
|
|
|
void clear();
|
|
|
|
void sort();
|
|
|
|
virtual void dump(const std::string prefix = "", uint depth = 0) const;
|
|
|
|
virtual bool equal(const CObject* other) const;
|
|
|
|
virtual void setGhost(bool ghost);
|
|
|
|
virtual void checkIntegrity() const;
|
|
|
|
protected:
|
|
virtual void visitInternal(IObjectVisitor &visitor);
|
|
|
|
virtual bool doIsTable() const;
|
|
|
|
virtual CObjectTable* doToTable() const;
|
|
|
|
virtual void inPlaceCopyTo(CObject &dest) const;
|
|
virtual void inPlaceCopy(const CObjectTable &src);
|
|
|
|
|
|
virtual void previsit(std::vector<CObject::TRefPtr> &sons);
|
|
|
|
/** Compute absolute position, return true if index is valid
|
|
* A negative index indicate an offset from the end of the table (-1 for the last element)
|
|
*/
|
|
protected:
|
|
typedef std::vector< std::pair<std::string, CObject*> > TContainer;
|
|
|
|
protected:
|
|
TContainer _Value;
|
|
|
|
};
|
|
|
|
|
|
class CTypedObject : public CObjectTable
|
|
{
|
|
public:
|
|
|
|
CTypedObject(const std::string & type);
|
|
virtual bool isOk() const;
|
|
};
|
|
|
|
class CNameGiver
|
|
{
|
|
public:
|
|
CNameGiver();
|
|
sint32 getNewId(const std::string& type="") ;
|
|
std::string getNewName(const std::string& type="", sint32 id = -1);
|
|
void setMaxId(const std::string& eid,sint32 id);
|
|
sint32 getMaxId(const std::string& eid);
|
|
void clear();
|
|
private:
|
|
std::map< std::string, sint32> _Value;
|
|
|
|
};
|
|
|
|
class CObjectGenerator;
|
|
|
|
// NB nico : added 'virtual' because client derives its own factory
|
|
class CObjectFactory
|
|
{
|
|
public:
|
|
CObjectFactory(const std::string & prefix);
|
|
void registerGenerator(CObject* classObject);
|
|
virtual ~CObjectFactory();
|
|
virtual CObject* newBasic(const std::string & type);
|
|
CObject* newAvanced(const std::string & type);
|
|
CObject* newComponent(const std::string & type);
|
|
CObjectGenerator* getGenerator(const std::string & type);
|
|
std::string getNewName(const std::string& type="") const;
|
|
void setMaxId(const std::string& eid,sint32 id);
|
|
void setPrefix(const std::string & prefix);
|
|
sint32 getMaxId(const std::string& eid) const;
|
|
void clear();
|
|
private:
|
|
CNameGiver* _NameGiver;
|
|
std::string _Prefix;
|
|
std::map<std::string, CObjectGenerator*> _Map;
|
|
};
|
|
|
|
|
|
class CObjectGenerator
|
|
{
|
|
public:
|
|
CObject* instanciate(CObjectFactory* factory) const;
|
|
CObjectGenerator(CObject* objectClass, CObjectFactory* factory):
|
|
_ObjectClass(objectClass){ createDefaultValues(factory);}
|
|
~CObjectGenerator();
|
|
CObject* getDefaultValue(const std::string & propName) const;
|
|
std::string getBaseClass() const;
|
|
protected:
|
|
void createDefaultValues(CObjectFactory* factory);
|
|
private:
|
|
typedef std::map<std::string, CObject* > TDefaultValues;
|
|
private:
|
|
CObject* _ObjectClass;
|
|
TDefaultValues _DefaultValues;
|
|
};
|
|
|
|
class CClass : public CObjectTable
|
|
{
|
|
public:
|
|
CClass(const std::string & classType);
|
|
void addAttribute(const std::string & name, const std::string & type);
|
|
void addAttribute(const std::string & name, const std::string & type, const std::string & defaultValue);
|
|
|
|
private:
|
|
std::string _ClassType;
|
|
};
|
|
|
|
class CClassAttribute: public CObjectTable
|
|
{
|
|
public:
|
|
|
|
CClassAttribute(const std::string & propName, const std::string& propType)
|
|
{
|
|
add("Name", propName);
|
|
add("Type", propType);
|
|
}
|
|
CClassAttribute(const std::string & propName, const std::string& propType, const std::string & defaultValue)
|
|
{
|
|
add("Name", propName);
|
|
add("Type", propType);
|
|
add("DefaultValue", defaultValue);
|
|
}
|
|
//virtual CObject* instanciate() const = 0;
|
|
|
|
virtual bool verify(CObject* /* prop */) const { return true;}
|
|
};
|
|
|
|
// Don't take ownership
|
|
class CObjectSerializer
|
|
{
|
|
public:
|
|
// for client : factory to use when reading objects
|
|
CObjectFactory *Factory;
|
|
|
|
// to force static serializer memory cleanup
|
|
static void releaseInstance();
|
|
protected:
|
|
CObjectSerializer(CObjectFactory *factory, CObject* data = 0);
|
|
|
|
public:
|
|
void serial(NLMISC::IStream& stream);
|
|
CObject* getData() const;
|
|
// make a copy of data (the caller must handle data)
|
|
void setData(CObject* data);
|
|
// :XXX: don't delete _Data
|
|
~CObjectSerializer();
|
|
static void serialStringInstanceId( NLMISC::IStream& stream, std::string& data);
|
|
|
|
bool isCompresed() const { return _Compressed;}
|
|
|
|
void compress();
|
|
|
|
void uncompress() const;
|
|
|
|
void swap(CObjectSerializer& other);
|
|
void setVersion(uint32 version) { _Version = version; }
|
|
uint32 getVersion() const { return _Version; }
|
|
|
|
|
|
private:
|
|
CObjectSerializer(const CObjectSerializer& lh);
|
|
CObjectSerializer& operator=(const CObjectSerializer& rh);
|
|
void uncompressImpl();
|
|
|
|
|
|
private:
|
|
CObject* _Data;
|
|
bool _Compressed;
|
|
bool _MustUncompress;
|
|
uint8* _CompressedBuffer;
|
|
uint32 _CompressedLen;
|
|
uint32 _UncompressedLen;
|
|
uint32 _Version;
|
|
public:
|
|
uint32 Level;
|
|
bool Log;
|
|
};
|
|
|
|
class CObjectSerializerClient : public CObjectSerializer
|
|
{
|
|
static CObjectFactory *_ClientObjecFactory;
|
|
public:
|
|
// constructor for client side serializer, we use the client side factory
|
|
CObjectSerializerClient(CObject *data=0)
|
|
: CObjectSerializer(_ClientObjecFactory, data)
|
|
{
|
|
nlassert(_ClientObjecFactory != NULL);
|
|
}
|
|
|
|
static void setClientObjectFactory(CObjectFactory *factory)
|
|
{
|
|
_ClientObjecFactory = factory;
|
|
}
|
|
};
|
|
|
|
class CObjectSerializerServer: public CObjectSerializer
|
|
{
|
|
public:
|
|
// constructor for server side serializer, we don't use object factory
|
|
CObjectSerializerServer(CObject *data=0)
|
|
: CObjectSerializer(NULL, data)
|
|
{}
|
|
};
|
|
|
|
|
|
} // namespace R2
|
|
|
|
#endif //R2_OBJECT_H
|