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category.h
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2 // Copyright 2018 Pixar
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24 
25 #ifndef TRACE_CATEGORY_H
26 #define TRACE_CATEGORY_H
27 
29 
30 #include "pxr/pxr.h"
31 
32 #include "pxr/base/trace/api.h"
33 #include "pxr/base/tf/singleton.h"
34 #include "pxr/base/trace/stringHash.h"
35 
36 #include <cstdint>
37 #include <map>
38 #include <string>
39 #include <vector>
40 
41 PXR_NAMESPACE_OPEN_SCOPE
42 
44 using TraceCategoryId = uint32_t;
45 
55 public:
57  template <int N>
59  const char (&str)[N]) {
60  return TraceStringHash::Hash(str);
61  }
62 
65  enum : TraceCategoryId { Default = 0 };
66 
69  TRACE_API void RegisterCategory(TraceCategoryId id, const std::string& name);
70 
72  TRACE_API std::vector<std::string> GetCategories(TraceCategoryId id) const;
73 
75  TRACE_API static TraceCategory& GetInstance();
76 
77 private:
78  friend class TfSingleton<TraceCategory>;
79 
80  TraceCategory();
81 
82  // Mapping of ids to names.
83  std::multimap<TraceCategoryId, std::string> _idToNames;
84 };
85 
86 TRACE_API_TEMPLATE_CLASS(TfSingleton<TraceCategory>);
87 
88 PXR_NAMESPACE_CLOSE_SCOPE
89 
90 #endif // TRACE_CATEGORY_H
static constexpr TraceCategoryId CreateTraceCategoryId(const char(&str)[N])
Computes an id for the given a string literal str.
Definition: category.h:58
Manage a single instance of an object (see.
Definition: singleton.h:122
static TRACE_API TraceCategory & GetInstance()
Singleton accessor.
TRACE_API void RegisterCategory(TraceCategoryId id, const std::string &name)
Associates the id with name.
This singleton class provides a way to mark TraceEvent instances with category Ids which can be used ...
Definition: category.h:54
TRACE_API std::vector< std::string > GetCategories(TraceCategoryId id) const
Returns all names associated with the id.
static constexpr std::uint32_t Hash(const char(&str)[N])
Computes a compile time hash of str.
Definition: stringHash.h:46
uint32_t TraceCategoryId
Categories that a TraceReporter can use to filter events.
Definition: category.h:44