1 | #ifndef ENGINE_SHARED_UUID_MANAGER_H |
2 | #define ENGINE_SHARED_UUID_MANAGER_H |
3 | |
4 | #include <vector> |
5 | |
6 | enum |
7 | { |
8 | UUID_MAXSTRSIZE = 37, // 12345678-0123-5678-0123-567890123456 |
9 | |
10 | UUID_INVALID = -2, |
11 | UUID_UNKNOWN = -1, |
12 | |
13 | OFFSET_UUID = 1 << 16, |
14 | }; |
15 | |
16 | struct CUuid |
17 | { |
18 | unsigned char m_aData[16]; |
19 | |
20 | bool operator==(const CUuid &Other) const; |
21 | bool operator!=(const CUuid &Other) const; |
22 | bool operator<(const CUuid &Other) const; |
23 | }; |
24 | |
25 | extern const CUuid UUID_ZEROED; |
26 | |
27 | CUuid RandomUuid(); |
28 | CUuid CalculateUuid(const char *pName); |
29 | // The buffer length should be at least UUID_MAXSTRSIZE. |
30 | void FormatUuid(CUuid Uuid, char *pBuffer, unsigned BufferLength); |
31 | // Returns nonzero on failure. |
32 | int ParseUuid(CUuid *pUuid, const char *pBuffer); |
33 | |
34 | struct CName |
35 | { |
36 | CUuid m_Uuid; |
37 | const char *m_pName; |
38 | }; |
39 | |
40 | struct CNameIndexed |
41 | { |
42 | CUuid m_Uuid; |
43 | int m_Id; |
44 | |
45 | bool operator<(const CNameIndexed &Other) const { return m_Uuid < Other.m_Uuid; } |
46 | bool operator==(const CNameIndexed &Other) const { return m_Uuid == Other.m_Uuid; } |
47 | }; |
48 | |
49 | class CPacker; |
50 | class CUnpacker; |
51 | |
52 | class CUuidManager |
53 | { |
54 | std::vector<CName> m_vNames; |
55 | std::vector<CNameIndexed> m_vNamesSorted; |
56 | |
57 | public: |
58 | void RegisterName(int Id, const char *pName); |
59 | CUuid GetUuid(int Id) const; |
60 | const char *GetName(int Id) const; |
61 | int LookupUuid(CUuid Uuid) const; |
62 | int NumUuids() const; |
63 | |
64 | int UnpackUuid(CUnpacker *pUnpacker) const; |
65 | int UnpackUuid(CUnpacker *pUnpacker, CUuid *pOut) const; |
66 | void PackUuid(int Id, CPacker *pPacker) const; |
67 | |
68 | void DebugDump() const; |
69 | }; |
70 | |
71 | extern CUuidManager g_UuidManager; |
72 | |
73 | #endif // ENGINE_SHARED_UUID_MANAGER_H |
74 | |