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Geant4/externals/g4tools/include/tools/sg/sf

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  1 // Copyright (C) 2010, Guy Barrand. All rights reserved.
  2 // See the file tools.license for terms.
  3 
  4 #ifndef tools_sg_sf
  5 #define tools_sg_sf
  6 
  7 // sf for simple field.
  8 
  9 #include "bsf"
 10 
 11 //#include "../sto"
 12 
 13 #include "../io/iwbuf"
 14 #include "../io/irbuf"
 15 #include "../stype"
 16 
 17 #include <sstream>
 18 #include <istream>
 19 
 20 namespace tools {
 21 namespace sg {
 22 
 23 template <class T>
 24 class sf : public bsf<T> {
 25   typedef bsf<T> parent;
 26 public:
 27   static const std::string& s_class() {
 28     static const std::string s_v("tools::sg::sf<"+stype(T())+">");
 29     return s_v;
 30   }
 31   virtual void* cast(const std::string& a_class) const {
 32     if(void* p = cmp_cast< sf<T> >(this,a_class)) {return p;}
 33     return parent::cast(a_class);
 34   }
 35   virtual const std::string& s_cls() const {return s_class();}
 36 public:
 37   virtual bool write(io::iwbuf& a_buffer) {
 38     return a_buffer.write(parent::m_value);
 39   }
 40   virtual bool read(io::irbuf& a_buffer) {
 41     return a_buffer.read(parent::m_value);
 42   }
 43   virtual bool dump(std::ostream& a_out) {
 44     a_out << parent::m_value << std::endl;
 45     return true;
 46   }
 47   virtual bool s_value(std::string& a_s) const {
 48     std::ostringstream strm;
 49     strm << parent::m_value;
 50     a_s = strm.str();
 51     return true;
 52   }
 53   virtual bool s2value(const std::string& a_s) {
 54     std::istringstream strm(a_s.c_str());
 55     T v;
 56     strm >> v;
 57     if(strm.fail()) return false;
 58     parent::value(v);
 59     return true;
 60   }
 61 public:
 62   sf(){}
 63   sf(const T& a_value):parent(a_value){}
 64   virtual ~sf(){}
 65 public:
 66   sf(const sf& a_from)
 67   :parent(a_from)
 68   {}
 69   sf& operator=(const sf& a_from){
 70     parent::operator=(a_from);
 71     return *this;
 72   }
 73 public:
 74   sf& operator=(const T& a_value){
 75     parent::operator=(a_value);
 76     return *this;
 77   }
 78 };
 79 
 80 /*
 81 template <class T>
 82 class sf_no_io : public bsf<T> {
 83 public:
 84   virtual bool write(io::iwbuf&) {return true;}
 85   virtual bool read(io::irbuf&) {return true;}
 86   virtual bool dump(std::ostream& a_out) {
 87     a_out << parent::m_value << std::endl;
 88     return true;
 89   }
 90 public:
 91   sf_no_io(){}
 92   sf_no_io(const T& a_value):parent(a_value){}
 93 public:
 94   sf_no_io(const sf_no_io& a_from)
 95   :parent(a_from)
 96   {}
 97   sf_no_io& operator=(const sf_no_io& a_from){
 98     parent::operator=(a_from);
 99     return *this;
100   }
101 public:
102   sf_no_io& operator=(const T& a_value){
103     parent::operator=(a_value);
104     return *this;
105   }
106 };
107 */
108 
109 }}
110 
111 #endif