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G4AttUtils.hh
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26 // $Id: G4AttUtils.hh 78955 2014-02-05 09:45:46Z gcosmo $
27 //
28 // Jane Tinslay September 2006
29 //
30 // Visualisation attribute utility functions.
31 //
32 #ifndef G4ATTUTILS_HH
33 #define G4ATTUTILS_HH
34 
35 #include "globals.hh"
36 #include "G4AttDef.hh"
37 #include "G4AttValue.hh"
38 #include "G4String.hh"
39 #include "G4TypeKey.hh"
40 #include <map>
41 #include <vector>
42 
43 namespace G4AttUtils {
44 
45  namespace {
46 
47  // Utility class
48  template <typename T>
49  class HasName {
50  public:
51  HasName(const G4String& name): fName(name) {};
52  bool operator()(const T& value) const
53  {return value.GetName() == fName;}
54  private:
56  };
57 
58  }
59 
60  // Extract attribute definition with given name
61  template <typename T>
62  G4bool ExtractAttDef(const T& object, const G4String& name, G4AttDef& def)
63  {
64  const std::map<G4String, G4AttDef>* attDefs = object.GetAttDefs();
65 
66  std::map<G4String, G4AttDef>::const_iterator iter = attDefs->find(name);
67  if (iter == attDefs->end()) return false;
68 
69  def = iter->second;
70 
71  return true;
72  }
73 
74  // Extract attribute value with given name
75  template <typename T>
76  G4bool ExtractAttValue(const T& object, const G4String& name, G4AttValue& attVal)
77  {
78  std::vector<G4AttValue>* attValues = object.CreateAttValues();
79 
80  std::vector<G4AttValue>::iterator iter = std::find_if(attValues->begin(), attValues->end(),
81  HasName<G4AttValue>(name));
82  if (iter == attValues->end()) return false;
83 
84  attVal = *iter;
85 
86  // Clean up
87  delete attValues;
88 
89  return true;
90  }
91 
92  // Get G4TypeKey information for old style G4AttDef's
93  G4TypeKey GetKey(const G4AttDef& def);
94 
95 }
96 
97 #endif
const XML_Char * name
Definition: expat.h:151
G4TypeKey GetKey(const G4AttDef &def)
Definition: G4AttUtils.cc:41
bool G4bool
Definition: G4Types.hh:79
const XML_Char int const XML_Char * value
Definition: expat.h:331
G4String fName
Definition: G4AttUtils.hh:55
G4bool ExtractAttValue(const T &object, const G4String &name, G4AttValue &attVal)
Definition: G4AttUtils.hh:76
G4bool ExtractAttDef(const T &object, const G4String &name, G4AttDef &def)
Definition: G4AttUtils.hh:62