source: svn/trunk/Utilities/frog/Base.h@ 899

#ifndef _FROG_Base_H__
#define _FROG_Base_H__

#include "Utils.h"

namespace FROG{

class Base{
protected :
        std::vector<Base*> daughters_;
        Base* mother_;
        unsigned int detId_;
        char* Name_;
        unsigned short NameLength_;

public :
        virtual unsigned int chunkId(){ return 55556;}
        virtual bool         isCompactible() { return true; }

        class cmp {
        public:
                bool operator () (Base* a, Base* b) {return (a->chunkId() < b->chunkId());}
        };

        Base(){
                mother_        = NULL;
        }

        virtual ~Base(){                
                for(unsigned int i=0;i<daughters_.size();i++){if(daughters_[i]){
                        delete daughters_[i];
                        daughters_[i]=NULL;}
                }
        }

        virtual ByteBuffer writeData(){         
                return ByteBuffer(0);
        }       
        
        virtual ByteBuffer writeDaughtersData(){                
                if(daughters_.size()==0)return ByteBuffer(0);
                                
                ByteBuffer* daughterBuffer = new ByteBuffer[daughters_.size()];
                int daughterBufferSize = 0;
                for(unsigned int i=0;i<daughters_.size();i++){
                        daughterBuffer[i]   = (daughters_[i])->write();
                        daughterBufferSize += daughterBuffer[i].position(); 
                }
                
                ByteBuffer toReturn = ByteBuffer(daughterBufferSize);
                unsigned int PreviousChunkId = -1;  int PreviousSizeBlock = 2; 
                int Size = 0;  
                for(unsigned int i=0;i<daughters_.size();i++){
                        bool Compacting = daughters_[i]->chunkId() == PreviousChunkId && daughters_[i]->isCompactible();                        
                        //printf("Compacting = %i\n",(int)Compacting);
                        //printf("pos = %i\n",(int)daughterBuffer[i].position());
                        daughterBuffer[i].flip();
                        //printf("pos = %i\n",(int)daughterBuffer[i].position());
                        if(Compacting){ daughterBuffer[i].position(6);  
                        }else{                  PreviousSizeBlock = toReturn.position()+2;              }
                        Size += daughterBuffer[i].remaining();
                        //printf("ToReturnpos = %i  (%i)\n",toReturn.position(), daughterBuffer[i].position()); 
                        toReturn.put(daughterBuffer[i]);
                        //printf("ToReturnpos = %i  (%i)\n",toReturn.position(), daughterBuffer[i].position()); 
                        if(Compacting)toReturn.putInt(PreviousSizeBlock, Size );
                        PreviousChunkId = daughters_[i]->chunkId();
                }
                //printf("DaughtersData size = %i - position =%i\n",toReturn.capacity(), toReturn.position());
                return toReturn;
        }                       

        ByteBuffer write(){             
                ByteBuffer data                 = writeData();
                ByteBuffer daughterData = writeDaughtersData(); 
                ByteBuffer toReturn = ByteBuffer(6 + data.position() + daughterData.position());
                toReturn.putUShort(chunkId());
                toReturn.putInt(0);
                data.flip();
                toReturn.put(data);
                data.clear();
                daughterData.flip();
                toReturn.put(daughterData);
                daughterData.clear();
                toReturn.putInt(2,toReturn.position());
                return toReturn;
        }

        void save(std::string fileName){
                ByteBuffer data = write();
                FILE* pFile = fopen(fileName.c_str(), "wb");
                fwrite(data.buffer,data.position(),1,pFile);
                fclose(pFile);
                data.clear();
        }


        const std::vector<Base*>& daughters() const { return daughters_; }
        void setMother(Base* mother){ mother_ = mother;}
    Base* getMother(){
        return mother_;
    }
        
    void addDaughter( Base* dau){
                dau->setMother(this);
        daughters_.push_back(dau);
    }

    Base* getDaughter(unsigned int i){          
        return daughters_[i];
    }

    unsigned int getDaughterSize(){
        return daughters_.size();
    }

        void deleteDaughter(unsigned int i){
                if(i>=daughters_.size())return;

                daughters_[i]->deleteDaughters();
                delete daughters_[i];           
                daughters_.erase(daughters_.begin()+i);
        }

        void deleteDaughters(){
                for(unsigned int i=0;i<daughters_.size();i++){
                        daughters_[i]->deleteDaughters();
                        delete daughters_[i];
                }
                daughters_.clear();
        }

    unsigned int DetId(){return detId_;}
    Base* getDaughterWithDetId(unsigned int detid) const {
                for(unsigned int i=0;i<daughters_.size();i++){
                   if(daughters_[i]->DetId()==detid)return daughters_[i];
                }
                return NULL;
    }

};

}//FROG Namespace
#endif