mirror of
https://port.numenaute.org/aleajactaest/khanat-opennel-code.git
synced 2024-12-02 00:26:01 +00:00
366 lines
9.9 KiB
C++
366 lines
9.9 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 CDB_H
|
|
#define CDB_H
|
|
|
|
// misc
|
|
#include "nel/misc/types_nl.h"
|
|
#include "nel/misc/smart_ptr.h"
|
|
#include "nel/misc/string_mapper.h"
|
|
|
|
#include <libxml/parser.h>
|
|
|
|
namespace NLMISC
|
|
{
|
|
class IProgressCallback;
|
|
class CBitMemStream;
|
|
}
|
|
|
|
class CCDBNodeLeaf;
|
|
class CCDBNodeBranch;
|
|
|
|
///global bool, must be set to true if we want to display database modification. See displayDBModifs in commands.cpp
|
|
extern bool VerboseDatabase;
|
|
|
|
|
|
|
|
|
|
/**
|
|
* Interface to manage a database node, can contain a unique property or a set of property
|
|
* \author Stephane Coutelas
|
|
* \author Nevrax France
|
|
* \date 2002
|
|
*/
|
|
|
|
class ICDBNode : public NLMISC::CRefCount
|
|
{
|
|
//-----------------------------------------------------------------------
|
|
// end of IDBNode interface
|
|
// start of CDB sub-class definitions
|
|
|
|
public:
|
|
enum EPropType
|
|
{
|
|
UNKNOWN = 0,
|
|
// Unsigned
|
|
I1, I2, I3, I4, I5, I6, I7, I8, I9, I10, I11, I12, I13, I14, I15, I16,
|
|
I17, I18, I19, I20, I21, I22, I23, I24, I25, I26, I27, I28, I29, I30, I31, I32,
|
|
I33, I34, I35, I36, I37, I38, I39, I40, I41, I42, I43, I44, I45, I46, I47, I48,
|
|
I49, I50, I51, I52, I53, I54, I55, I56, I57, I58, I59, I60, I61, I62, I63, I64,
|
|
// Signed
|
|
S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S13, S14, S15, S16,
|
|
S17, S18, S19, S20, S21, S22, S23, S24, S25, S26, S27, S28, S29, S30, S31, S32,
|
|
S33, S34, S35, S36, S37, S38, S39, S40, S41, S42, S43, S44, S45, S46, S47, S48,
|
|
S49, S50, S51, S52, S53, S54, S55, S56, S57, S58, S59, S60, S61, S62, S63, S64,
|
|
TEXT, Nb_Prop_Type
|
|
};
|
|
|
|
|
|
/**
|
|
* observer interface to a database property
|
|
* \author Nicolas Brigand
|
|
* \author Nevrax France
|
|
* \date 2002
|
|
*/
|
|
class IPropertyObserver : public NLMISC::CRefCount
|
|
{
|
|
public :
|
|
virtual ~IPropertyObserver() {}
|
|
virtual void update(ICDBNode* node ) = 0;
|
|
};
|
|
|
|
|
|
|
|
/**
|
|
* Text id
|
|
* \author Stephane Coutelas
|
|
* \author Nevrax France
|
|
* \date 2002
|
|
*/
|
|
class CTextId
|
|
{
|
|
public:
|
|
/**
|
|
* Default constructor
|
|
*/
|
|
CTextId(): _Idx(0) {}
|
|
|
|
/**
|
|
* Init this text id from a string
|
|
*/
|
|
explicit CTextId( const std::string& str ): _Idx(0)
|
|
{
|
|
const std::string &s = str;
|
|
uint32 i, j;
|
|
for (i=0,j=0; i+j<s.size(); j++)
|
|
if (s[i+j]==':')
|
|
{
|
|
_Ids.push_back(s.substr(i,j));
|
|
i+=j+1; // +1 to skip the ':'
|
|
j=0;
|
|
}
|
|
// deal with the last id in the string (terminated by a '\x0' and not a ':')
|
|
_Ids.push_back(s.substr(i,j));
|
|
}
|
|
|
|
/**
|
|
* Build a string from this text id
|
|
*/
|
|
std::string toString() const
|
|
{
|
|
if (_Ids.size()==0) return std::string("");
|
|
std::string str=_Ids[0];
|
|
for (unsigned i=1; i<_Ids.size(); i++)
|
|
str +=std::string(":")+ _Ids[i];
|
|
return str;
|
|
}
|
|
|
|
/**
|
|
* Push back a sub name id to this id
|
|
*/
|
|
void push( const std::string &str ) { _Ids.push_back( str ); }
|
|
|
|
/**
|
|
* Remove the last sub name id to this id
|
|
*/
|
|
void pop() { _Ids.pop_back(); }
|
|
|
|
/**
|
|
* Return the next sub id
|
|
*/
|
|
const std::string &readNext() const
|
|
{
|
|
nlassert( _Idx < _Ids.size() );
|
|
return _Ids[_Idx++];
|
|
}
|
|
|
|
/** return true if a call to readNext can be performed
|
|
*/
|
|
bool hasElements() const { return _Idx < _Ids.size(); }
|
|
|
|
/**
|
|
* Get the current index in Id
|
|
*/
|
|
uint getCurrentIndex() const { return _Idx; }
|
|
|
|
/**
|
|
* Return the count of strings composing this id
|
|
*/
|
|
uint size() const { return _Ids.size(); }
|
|
|
|
/** Return an element. empty if bad index
|
|
*/
|
|
const std::string &getElement(uint idx)
|
|
{
|
|
static std::string empty;
|
|
if(idx>=size())
|
|
return empty;
|
|
else
|
|
return _Ids[idx];
|
|
}
|
|
|
|
private:
|
|
std::vector<std::string> _Ids;
|
|
mutable uint _Idx;
|
|
};
|
|
|
|
//-----------------------------------------------------------------------
|
|
// end of CDB sub-class definitions
|
|
|
|
|
|
//-----------------------------------------------------------------------
|
|
// IDBNode interface definition
|
|
|
|
public :
|
|
|
|
/**
|
|
* destructor
|
|
*/
|
|
virtual ~ICDBNode() {}
|
|
|
|
/**
|
|
* Build the structure of the database from a file
|
|
* \param f is the stream
|
|
*/
|
|
virtual void init( xmlNodePtr node, NLMISC::IProgressCallback &progressCallBack, bool mapBanks=false ) = 0;
|
|
|
|
/**
|
|
* Save a backup of the database
|
|
* \param id is the text id of the property/grp
|
|
* \param f is the stream
|
|
*/
|
|
virtual void write( CTextId& id, FILE * f) = 0;
|
|
|
|
/**
|
|
* Update the database from a stream coming from the FE
|
|
* \param gc the server gameCycle of this update. Any outdated update are aborted
|
|
* \param f : the stream.
|
|
*/
|
|
virtual void readDelta( NLMISC::TGameCycle gc, NLMISC::CBitMemStream & f ) = 0;
|
|
|
|
/**
|
|
* Get a node . Create it if it does not exist yet
|
|
* \param id : the CTextId identifying the node
|
|
*/
|
|
virtual ICDBNode * getNode( const CTextId& id, bool bCreate = true )=0 ;
|
|
|
|
/**
|
|
* Get a node
|
|
* \param idx is the node index
|
|
*/
|
|
virtual ICDBNode * getNode( uint16 idx ) = 0;
|
|
|
|
/**
|
|
* Get a node index
|
|
* \param node is a pointer to the node
|
|
* \param index is a reference that receive the result
|
|
* \return true if the node was found
|
|
*/
|
|
virtual bool getNodeIndex( ICDBNode* node , uint & index) = 0;
|
|
|
|
/**
|
|
* Return the value of a property (the update flag is set to false)
|
|
* \param id is the text id of the property/grp
|
|
* \param name is the name of the property
|
|
* \return the value of the property
|
|
*/
|
|
virtual sint64 getProp( CTextId& id ) = 0;
|
|
|
|
/**
|
|
* Set the value of a property (the update flag is set to true)
|
|
* \param id is the text id of the property/grp
|
|
* \param name is the name of the property
|
|
* \param value is the value of the property
|
|
* \return bool : 'true' if property found.
|
|
*/
|
|
virtual bool setProp( CTextId& id, sint64 value ) = 0;
|
|
|
|
/// Reset all leaf data from this point
|
|
virtual void resetData(NLMISC::TGameCycle gc, bool forceReset=false) = 0;
|
|
|
|
/**
|
|
* Clear the node and his children
|
|
*/
|
|
virtual void clear() = 0;
|
|
|
|
/**
|
|
* add an observer to a property
|
|
* \param observer : pointer to an observer
|
|
* \param id text id identifying the property
|
|
* \return false if the node doesn't exist
|
|
*/
|
|
virtual bool addObserver(IPropertyObserver* observer, CTextId& id) = 0;
|
|
|
|
/** remove an obsever
|
|
* \param observer : pointer to an observer
|
|
* \param id text id identifying the property
|
|
* \return false if the node or observer doesn t exist
|
|
*/
|
|
virtual bool removeObserver(IPropertyObserver* observer, CTextId& id) = 0;
|
|
|
|
/**
|
|
* Inform a node of its parenthood
|
|
*/
|
|
virtual void setParent(CCDBNodeBranch * /* parent */) { nlassertex(0,("setParent() not overloaded for given node type!")); }
|
|
|
|
/**
|
|
* get the parent of a node
|
|
*/
|
|
virtual CCDBNodeBranch* getParent() { nlassertex(0,("getParent() not overloaded for given node type!")); return NULL; }
|
|
|
|
/**
|
|
* get the name of this node
|
|
*/
|
|
const std::string * getName() const { return &_DBSM->localUnmap(_Name); }
|
|
|
|
/**
|
|
* get the full name of this node separator is ':' (ie UI:INTERFACE:REDSTUFF)
|
|
* This will not return the fullname with the ROOT !
|
|
*/
|
|
std::string getFullName();
|
|
|
|
/// Count the leaves
|
|
virtual uint countLeaves() const = 0;
|
|
|
|
/// Find the leaf which count is specified (if found, the returned value is non-null and count is 0)
|
|
virtual CCDBNodeLeaf *findLeafAtCount( uint& count ) = 0;
|
|
|
|
/// Set the atomic branch flag (when all the modified nodes of a branch should be tranmitted at the same time)
|
|
void setAtomic( bool atomicBranch ) { _Atomic = atomicBranch; }
|
|
|
|
/// Return true if the branch has the atomic flag
|
|
bool isAtomic() const { return _Atomic; }
|
|
|
|
// test if the node is a leaf
|
|
virtual bool isLeaf() const = 0;
|
|
|
|
/// Debug purpose
|
|
virtual void display (const std::string &/* prefix */){}
|
|
|
|
/// Return the string id corresponding to the argument
|
|
static NLMISC::TStringId getStringId(const std::string& nodeName)
|
|
{
|
|
if (_DBSM == NULL) _DBSM = NLMISC::CStringMapper::createLocalMapper();
|
|
return _DBSM->localMap(nodeName);
|
|
}
|
|
|
|
/// Return a pointer to the string corresponding to the argument
|
|
static const std::string *getStringFromId(NLMISC::TStringId nodeStringId)
|
|
{
|
|
if (_DBSM == NULL) _DBSM = NLMISC::CStringMapper::createLocalMapper();
|
|
return &_DBSM->localUnmap(nodeStringId);
|
|
}
|
|
|
|
/// release string mapper
|
|
static void releaseStringMapper();
|
|
|
|
protected:
|
|
|
|
/// Constructor
|
|
ICDBNode() : _Atomic(false)
|
|
{
|
|
if (_DBSM == NULL) _DBSM = NLMISC::CStringMapper::createLocalMapper();
|
|
_Name = NLMISC::CStringMapper::emptyId();
|
|
}
|
|
|
|
/// Constructor
|
|
ICDBNode (const std::string &name) : _Atomic(false)
|
|
{
|
|
if (_DBSM == NULL) _DBSM = NLMISC::CStringMapper::createLocalMapper();
|
|
_Name = _DBSM->localMap(name);
|
|
//_NameDbg = name;
|
|
}
|
|
|
|
// utility to build full name efficiently (without reallocating the string at each parent level)
|
|
void _buildFullName(NLMISC::CSString &fullName);
|
|
|
|
/// Atomic flag: is the branch an atomic group, or is the leaf a member of an atomic group
|
|
bool _Atomic : 1;
|
|
|
|
/// Name of the node
|
|
NLMISC::TStringId _Name;
|
|
//std::string _NameDbg;
|
|
|
|
static NLMISC::CStringMapper *_DBSM;
|
|
|
|
};
|
|
|
|
|
|
|
|
#endif // CDB_H
|