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GLTF_Cache.h
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27 
28 #ifndef __SOP_GLTFCACHE_H__
29 #define __SOP_GLTFCACHE_H__
30 
31 #include "GLTF_API.h"
32 
33 #include <UT/UT_Lock.h>
34 #include <UT/UT_Map.h>
35 #include <UT/UT_SharedPtr.h>
36 
37 namespace GLTF_NAMESPACE
38 {
39 
40 class GLTF_Loader;
41 
42 ///
43 /// A singleton responsible for storing a cached GLTF_Loader.
44 ///
46 {
47 public:
48  static GLTF_Cache &GetInstance();
49 
50  ///
51  /// Creates a new loader with the given filepath, calls Load()
52  /// and returns a pointer. If we were unable to load, then
53  /// the loader is evicted and null is returned
54  ///
55  const UT_SharedPtr<const GLTF_Loader> LoadLoader(const UT_StringHolder &path);
56 
57  // Removes the loader from the cache, does not destroy any existing
58  // instances as loaders are UT_SharedPtr's
59  bool EvictLoader(const UT_StringHolder &path);
60 
61 private:
62  // Gets an existing loader from the cache, returns false
63  // if the loader does not exist
64  const UT_SharedPtr<const GLTF_Loader> GetLoader(const UT_StringHolder &path);
65 
66 
67  void AutomaticEvict();
68 
70 };
71 
72 } // end GLTF_NAMESPACE
73 
74 #endif
#define GLTF_API
Definition: GLTF_API.h:37
Unsorted map container.
Definition: UT_Map.h:83
#define GLTF_NAMESPACE
Definition: GLTF_API.h:42
std::shared_ptr< T > UT_SharedPtr
Wrapper around std::shared_ptr.
Definition: UT_SharedPtr.h:28
GLsizei const GLchar *const * path
Definition: glew.h:6461