| Geant4 Cross Reference |
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25 //
26 //
27 // Jane Tinslay September 2006
28 //
29 // Visualisation attribute utility functions.
30 //
31 #ifndef G4ATTUTILS_HH
32 #define G4ATTUTILS_HH
33
34 #include "globals.hh"
35 #include "G4AttDef.hh"
36 #include "G4AttValue.hh"
37 #include "G4String.hh"
38 #include "G4TypeKey.hh"
39 #include <map>
40 #include <vector>
41
42 namespace G4AttUtils {
43
44 namespace {
45
46 // Utility class
47 template <typename T>
48 class HasName {
49 public:
50 HasName(const G4String& name): fName(name) {};
51 bool operator()(const T& value) const
52 {return value.GetName() == fName;}
53 private:
54 G4String fName;
55 };
56
57 }
58
59 // Extract attribute definition with given name
60 template <typename T>
61 G4bool ExtractAttDef(const T& object, const G4String& name, G4AttDef& def)
62 {
63 const std::map<G4String, G4AttDef>* attDefs = object.GetAttDefs();
64
65 // NOLINTNEXTLINE(modernize-use-auto): Explicitly want a const_iterator despite attDefs being const
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 auto iter = std::find_if(attValues->cbegin(), attValues->cend(),
81 HasName<G4AttValue>(name));
82 if (iter == attValues->cend()) 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
98