diff options
Diffstat (limited to 'src/Platform.cpp')
| -rw-r--r-- | src/Platform.cpp | 50 |
1 files changed, 22 insertions, 28 deletions
diff --git a/src/Platform.cpp b/src/Platform.cpp index dd81667..b011d93 100644 --- a/src/Platform.cpp +++ b/src/Platform.cpp @@ -3,27 +3,29 @@ namespace sibs { - static int countSetBits(u32 value) + static std::unordered_map<Platform, const char*> platformNames; + static bool platformNamesSet = false; + static int countSetBits(u64 value) { int count = 0; while(value) { - count += (value & 1U); - value >>= 1U; + count += (value & 1ULL); + value >>= 1ULL; } return count; } // Returns -1 if no bit is set - static int getLeastSignificantBitSetPosition(u32 value) + static u64 getLeastSignificantBitSetPosition(u64 value) { - for(u32 i = 0; i < sizeof(u32); ++i) + for(u64 i = 0; i < sizeof(u64); ++i) { - if(value & 1U) + if(value & 1ULL) return i; - value >>= 1U; + value >>= 1ULL; } - return -1; + return -1ULL; } bool containsPlatform(const std::vector<Platform> &platforms, Platform platform) @@ -38,27 +40,19 @@ namespace sibs const char* asString(Platform platform) { - switch (platform) + if(!platformNamesSet) { - case PLATFORM_ANY: return "any"; - case PLATFORM_LINUX: return "linux"; - case PLATFORM_LINUX32: return "linux32"; - case PLATFORM_LINUX64: return "linux64"; - case PLATFORM_WIN: return "win"; - case PLATFORM_WIN32: return "win32"; - case PLATFORM_WIN64: return "win64"; - case PLATFORM_MACOS: return "macos"; - case PLATFORM_MACOS32: return "macos32"; - case PLATFORM_MACOS64: return "macos64"; - case PLATFORM_BSD: return "bsd"; - case PLATFORM_OPENBSD: return "openbsd"; - case PLATFORM_OPENBSD32: return "openbsd32"; - case PLATFORM_OPENBSD64: return "openbsd64"; - case PLATFORM_HAIKU: return "haiku"; - case PLATFORM_HAIKU32: return "haiku32"; - case PLATFORM_HAIKU64: return "haiku64"; - default: assert(false); return nullptr; + platformNamesSet = true; + for(auto &it : PLATFORM_BY_NAME) + { + platformNames[it.second] = it.first.data; + } } + + auto it = platformNames.find(platform); + if(it != platformNames.end()) + return it->second; + return nullptr; } Platform getPlatformByName(StringView name) @@ -83,6 +77,6 @@ namespace sibs { if(platform == PLATFORM_INVALID || platform == PLATFORM_ANY) return PLATFORM_INVALID; - return (Platform)(1U << (u32)getLeastSignificantBitSetPosition(platform)); + return (Platform)(1ULL << (u64)getLeastSignificantBitSetPosition(platform)); } } |