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Geant4/externals/g4tools/include/tools/sg/bsf

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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_bsf
  5 #define tools_sg_bsf
  6 
  7 // sf for simple field.
  8 
  9 // bsf is intended to have no implementation of :
 10 //   virtual bool write(io::iwbuf&)
 11 //   virtual bool read(io::irbuf&)
 12 
 13 #include "field"
 14 
 15 namespace tools {
 16 namespace sg {
 17 
 18 template <class T>
 19 class bsf : public field {
 20   typedef field parent;
 21 public:
 22   static const std::string& s_class() {
 23     //we do not use stype(T()).
 24     static const std::string s_v("tools::sg::bsf");
 25     return s_v;
 26   }
 27   virtual void* cast(const std::string& a_class) const {
 28     if(void* p = cmp_cast< bsf<T> >(this,a_class)) {return p;}
 29     return parent::cast(a_class);
 30   }
 31   virtual const std::string& s_cls() const {return s_class();}
 32 /*
 33   virtual bool equal(const field& a_field) const {
 34     bsf<T>* fld = safe_cast<field,bsf<T>>(a_field);
 35     if(!fld) return false;
 36     return operator==(*fld);
 37   }
 38 */
 39 protected:
 40   bsf():m_value(T()){}
 41 public:
 42   bsf(const T& a_value):m_value(a_value){}
 43   virtual ~bsf(){}
 44 public:
 45   bsf(const bsf& a_from)
 46   :parent(a_from)
 47   ,m_value(a_from.m_value){}
 48 
 49   bsf& operator=(const bsf& a_from){
 50     parent::operator=(a_from);
 51     if(a_from.m_value!=m_value) m_touched = true;
 52     m_value = a_from.m_value;
 53     return *this;
 54   }
 55 public:
 56   bsf& operator=(const T& a_value){
 57     if(a_value!=m_value) m_touched = true;
 58     m_value = a_value;
 59     return *this;
 60   }
 61   bool operator==(const bsf& a_from) const {
 62     return m_value==a_from.m_value;
 63   }
 64   bool operator!=(const bsf& a_from) const {
 65     return !operator==(a_from);
 66   }
 67 
 68   bool operator==(const T& a_value) const {
 69     return m_value==a_value;
 70   }
 71   bool operator!=(const T& a_value) const {
 72     return !operator==(a_value);
 73   }
 74 
 75   operator const T& () const {return m_value;}
 76   operator T() {return m_value;}
 77 
 78 /* does not work with qrot
 79   bsf& operator+=(const T& a_value){
 80     m_value += a_value;
 81     m_touched = true;
 82     return *this;
 83   }
 84 */
 85 /* does not work with T=std::string
 86   bsf& operator-=(const T& a_value){
 87     m_value -= a_value;
 88     m_touched = true;
 89     return *this;
 90   }
 91   bsf& operator*=(const T& a_value){
 92     m_value *= a_value;
 93     m_touched = true;
 94     return *this;
 95   }
 96 */
 97 public:
 98   T& value() {return m_value;}
 99   const T& value() const {return m_value;}
100   void value(const T& a_value) {
101     if(a_value!=m_value) m_touched = true;
102     m_value = a_value;
103   }
104   void value_no_cmp(const T& a_value) {
105     //if(a_value!=m_value) m_touched = true;
106     m_value = a_value;
107   }
108 //public: //for style.
109 //  bool s2v(const std::string& a_s) {
110 //    T v;
111 //    if(!to<T>(a_s,v)) return false;
112 //    if(v!=m_value) m_touched = true;
113 //    m_value = v;
114 //    return true;
115 //  }
116 public: //for iv2sg
117   void setValue(const T& a_value) {value(a_value);}
118   const T& getValue() const {return m_value;}
119 protected:
120   T m_value;
121 };
122 
123 }}
124 
125 #endif