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00001 #pragma once
00002 #include <core/global_definitions.hpp>
00003 #include <iostream>
00004 #include <fstream>
00005 #include <boost/any.hpp>
00006 
00007 namespace CoGaDB{
00008 
00009 inline std::ostream& operator << (std::ostream& os, const boost::any& v) 
00010 {
00011     if(v.empty()) return os;
00012     //os << 
00013     if(typeid(int)==v.type()){
00014         os << boost::any_cast<int>(v);
00015     }else if(typeid(unsigned int)==v.type()){ 
00016         os << boost::any_cast<unsigned int>(v);
00017     }else if(typeid(unsigned long)==v.type()){ 
00018         os << boost::any_cast<unsigned long>(v);   
00019     }else if(typeid(float)==v.type()){ 
00020         os << boost::any_cast<float>(v); 
00021     }else if(typeid(double)==v.type()){ 
00022         os << boost::any_cast<double>(v);         
00023     }else if(typeid(std::string)==v.type()){ 
00024         os << boost::any_cast<std::string>(v);      
00025     }else if(typeid(bool)==v.type()){ 
00026         os << boost::any_cast<bool>(v);         
00027     }else{
00028         std::cout << "FATAL ERROR! In std::ostream& operator << (std::ostream& os, const boost::any& v)" << std::endl;
00029         std::cout << "Unkown Type stored in boost::any, cannot print value!" << std::endl;
00030         std::cout << "In File " << __FILE__ << ":" << __LINE__ << std::endl;
00031         std::exit(-1);
00032                
00033     }    
00034     return os;
00035 }
00036     
00037     
00039 template < class T >
00040 inline std::ostream& operator << (std::ostream& os, const std::vector<T>& v) 
00041 {
00042     os << "[";
00043     for (typename std::vector<T>::const_iterator ii = v.begin(); ii != v.end(); ++ii)
00044     {
00045         os << " " << *ii;
00046     }
00047     os << " ]";
00048     return os;
00049 }
00050 
00052 template <>
00053 inline std::ostream& operator << (std::ostream& os, const Tuple& v) 
00054 {
00055       //ofs.write((char*)(a.array), 20*sizeof(int));
00056                 os << "Tuple: (";
00057                 for(unsigned int i=0;i<v.size();i++){
00058                         if(v[i].type()==typeid(int)){
00059                                 os << boost::any_cast<int>(v[i]);
00060                         }else if(v[i].type()==typeid(float)){
00061                                 os << boost::any_cast<float>(v[i]);
00062                         }else if(v[i].type()==typeid(std::string)){
00063                                 os << boost::any_cast<std::string>(v[i]);
00064                         }else if(v[i].type()==typeid(bool)){
00065                                 os << boost::any_cast<bool>(v[i]);
00066                         }else{
00067                                 std::cout << "Found Invalid Type in Tuple: " << v[i].type().name() << std::endl;
00068                                 std::exit(-1);
00069                         }
00070                         if(i<v.size()-1) os << ",";
00071                 }
00072                 os << ")"; // << std::endl;
00073       return os;
00074     return os;
00075 }
00076 
00077 }; //end namespace CogaDB
00078