source: svn/trunk/Utilities/frog/Utils.h@ 796

// FROG_Element_Base.h: Contains everything related to an element to be written in a file :
//                     type, size, data
//                     And a vector of daughters
//////////////////////////////////////////////////////////////////////

#ifndef _FROG_UTILS_H__
#define _FROG_UTILS_H__

#define _CRT_SECURE_NO_WARNINGS 1

#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <vector>
#include <map>
#include <algorithm>
#include <iostream>
#include <math.h>



struct ByteBuffer{
        unsigned char* buffer;
        unsigned int capacity_;
        unsigned int position_;

        ByteBuffer(){
                buffer = NULL;
                capacity_ = 0;
                position_ = 0;
        }

        ByteBuffer(int size){
                buffer = new unsigned char[size];
                capacity_ = size;
                position_ = 0;
        }

        ~ByteBuffer(){
                //printf("Destructor called\n");
        }

        void clear(){if(buffer!=NULL)delete [] buffer;}

        unsigned int remaining(){return capacity_-position_;}
        unsigned int capacity(){return capacity_;}
        unsigned int position(){return position_;}
        void position(unsigned int pos){position_ = pos;}
        void flip(){position_ = 0;}

        unsigned char get(unsigned int pos){return buffer[pos];}
        unsigned char get(){unsigned char data=get(position_); position_++; return data;}

        void put(unsigned int pos, unsigned char data){buffer[pos] = data;}
        void put(unsigned char data){put(position_, data); position_++;}

        void putByte(unsigned int pos, unsigned char data){put(pos, data);}
        void putByte(unsigned char data){put(data);}

        void putUShort(unsigned int pos, unsigned short data){memcpy(buffer+pos, (void*)&data, sizeof(data));}
        void putUShort(unsigned short data){putUShort(position_, data); position_+=sizeof(data);}

        void putInt(unsigned int pos, int data){memcpy(buffer+pos, (void*)&data, sizeof(data));}
        void putInt(int data){putInt(position_, data); position_+=sizeof(data);}

        void putUInt(unsigned int pos, unsigned int data){memcpy(buffer+pos, (void*)&data, sizeof(data));}
        void putUInt(unsigned int data){putUInt(position_, data); position_+=sizeof(data);}

        void putULong(unsigned int pos, unsigned long long data){memcpy(buffer+pos, (void*)&data, sizeof(data));}
        void putULong(unsigned long long data){putULong(position_, data); position_+=sizeof(data);}

        void putFloat(unsigned int pos, float data){memcpy(buffer+pos, (void*)&data, sizeof(data));}
        void putFloat(float data){putFloat(position_, data); position_+=sizeof(data);}

        void put(ByteBuffer& obj){
                for(unsigned int i=obj.position();i<obj.capacity() && i-obj.position()+position_<capacity_;i++){
                        put(obj.get());         
                }
        }
};

#endif