mirror of https://git.h3cjp.net/H3cJP/citra.git
52 lines
1.6 KiB
C++
52 lines
1.6 KiB
C++
// Copyright 2023 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <string>
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namespace Common {
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class DynamicLibrary {
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public:
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explicit DynamicLibrary();
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explicit DynamicLibrary(void* handle);
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explicit DynamicLibrary(std::string_view name, int major = -1, int minor = -1);
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~DynamicLibrary();
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/// Returns true if the library is loaded, otherwise false.
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[[nodiscard]] bool IsLoaded() {
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return handle != nullptr;
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}
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/// Loads (or replaces) the handle with the specified library file name.
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/// Returns true if the library was loaded and can be used.
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[[nodiscard]] bool Load(std::string_view filename);
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/// Returns a string containing the last generated load error, if it occured.
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[[nodiscard]] std::string_view GetLoadError() const {
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return load_error;
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}
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/// Obtains the address of the specified symbol, automatically casting to the correct type.
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template <typename T>
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[[nodiscard]] T GetSymbol(std::string_view name) const {
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return reinterpret_cast<T>(GetRawSymbol(name));
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}
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/// Returns the specified library name in platform-specific format.
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/// Major/minor versions will not be included if set to -1.
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/// If libname already contains the "lib" prefix, it will not be added again.
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[[nodiscard]] static std::string GetLibraryName(std::string_view name, int major = -1,
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int minor = -1);
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private:
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void* GetRawSymbol(std::string_view name) const;
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void* handle;
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std::string load_error;
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};
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} // namespace Common
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