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034d0a2 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 | // Copyright 2023 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <string>
namespace Common {
class DynamicLibrary {
public:
explicit DynamicLibrary();
explicit DynamicLibrary(void* handle);
explicit DynamicLibrary(std::string_view name, int major = -1, int minor = -1);
~DynamicLibrary();
/// Returns true if the library is loaded, otherwise false.
[[nodiscard]] bool IsLoaded() const noexcept {
return handle != nullptr;
}
/// Loads (or replaces) the handle with the specified library file name.
/// Returns true if the library was loaded and can be used.
[[nodiscard]] bool Load(std::string_view filename);
/// Returns a string containing the last generated load error, if it occured.
[[nodiscard]] std::string_view GetLoadError() const {
return load_error;
}
/// Obtains the address of the specified symbol, automatically casting to the correct type.
template <typename T>
[[nodiscard]] T GetSymbol(std::string_view name) const {
return reinterpret_cast<T>(GetRawSymbol(name));
}
/// Returns the specified library name in platform-specific format.
/// Major/minor versions will not be included if set to -1.
/// If libname already contains the "lib" prefix, it will not be added again.
[[nodiscard]] static std::string GetLibraryName(std::string_view name, int major = -1,
int minor = -1);
private:
void* GetRawSymbol(std::string_view name) const;
void* handle;
std::string load_error;
};
} // namespace Common
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