sdk_uuid.h

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#ifndef SDK_UUID_H_
#define SDK_UUID_H_
 
#if defined(__cplusplus)
#if defined(SDK_ARCH_32BITS) && defined(SDK_ARCH_ARM)
#include <string.h>
#endif
#endif
 
#include <base/inc/platform.h>
#include <base/inc/base_types.h>
 
#if defined(__cplusplus)
SDK_BEGIN_NAMESPACE
#endif
 
#define SDK_DECLARE_IID(name) \
  static const SDK_NAMESPACE::Uuid name##_uuid_ = #name; \
  inline const SDK_NAMESPACE::Uuid& name::IID() { return name##_uuid_; }
 
#define SDK_IMPLEMENT_IID(name) public: \
  static const SDK_NAMESPACE::Uuid& IID();
 
// #define SDK_END_INTERFACE(name) protected: virtual ~name() {}
#define SDK_END_INTERFACE(name)
 
 
typedef char UuidChar[48];
typedef UuidChar Uuid;
 
typedef Uuid ComponentId;
typedef Uuid InterfaceId;
 
static Uuid UuidNull = {'\0'};
 
#define UuidUInt64(uuid) (reinterpret_cast<SDKUInt64*>(uuid))
#define UuidConstUInt64(uuid) (reinterpret_cast<const SDKUInt64*>(uuid))
 
#if defined(__cplusplus)
 
#if defined(SDK_ARCH_32BITS) && defined(SDK_ARCH_ARM)
  inline bool IsEqualUuid(const Uuid& uuid1, const Uuid& uuid2) {
    return memcmp(&uuid1, &uuid2, SDK_ARRAY_LENGTH(uuid1)) == 0;
  }
 
  inline bool IsNullUuid(const Uuid & uuid) {
    return memcmp(&uuid, &UuidNull, SDK_ARRAY_LENGTH(uuid)) == 0;
  }
 
  inline void CopyUuid(const Uuid& uuid1, Uuid& uuid2) {
    memcpy(&uuid2, &uuid1, SDK_ARRAY_LENGTH(uuid1));
  }
#else
  inline bool IsEqualUuid(const Uuid& uuid1, const Uuid& uuid2) {
    return ((UuidConstUInt64(uuid1)[0] == UuidConstUInt64(uuid2)[0]) && 
            (UuidConstUInt64(uuid1)[1] == UuidConstUInt64(uuid2)[1]) && 
            (UuidConstUInt64(uuid1)[2] == UuidConstUInt64(uuid2)[2]) && 
            (UuidConstUInt64(uuid1)[3] == UuidConstUInt64(uuid2)[3]) && 
            (UuidConstUInt64(uuid1)[4] == UuidConstUInt64(uuid2)[4]) &&
            (UuidConstUInt64(uuid1)[5] == UuidConstUInt64(uuid2)[5]));
  }
  inline bool IsNullUuid(const Uuid& uuid) {
    return ((UuidConstUInt64(uuid)[0] == 0) && 
            (UuidConstUInt64(uuid)[1] == 0) && 
            (UuidConstUInt64(uuid)[2] == 0) && 
            (UuidConstUInt64(uuid)[3] == 0) && 
            (UuidConstUInt64(uuid)[4] == 0) && 
            (UuidConstUInt64(uuid)[5] == 0));
  }
  
  inline void CopyUuid(const Uuid& uuid1, Uuid& uuid2) {
    UuidUInt64(uuid2)[0] = UuidConstUInt64(uuid1)[0];
    UuidUInt64(uuid2)[1] = UuidConstUInt64(uuid1)[1];
    UuidUInt64(uuid2)[2] = UuidConstUInt64(uuid1)[2];
    UuidUInt64(uuid2)[3] = UuidConstUInt64(uuid1)[3];
    UuidUInt64(uuid2)[4] = UuidConstUInt64(uuid1)[4];
    UuidUInt64(uuid2)[5] = UuidConstUInt64(uuid1)[5];
  }
 
#endif
#endif
 
#if defined(__cplusplus)
SDK_END_NAMESPACE
#endif
 
#endif // SDK_UUID_H_