FileInputStream.hpp

#pragma once
 
#include "..\..\Common\Platform.hpp"
#include <fstream>
 
#include "InputStream.hpp"
 
#include <EASTL/string_view.h>
 
#ifdef MCE_PLATFORM_WINDOWS
#ifdef INVALID_FILE_SIZE
#undef INVALID_FILE_SIZE
#endif
#endif
 
namespace mce {
    class FileInputStream final : public InputStream {
    public:
        FileInputStream();
        ~FileInputStream();
        //explicit FileInputStream(eastl::string_view file);

        bool open(const std::string& file);

        bool isOpen() const;

        void close();

        size_t read(void* buffer, size_t size) override;

        size_t seek(size_t position) override;

        size_t tell() override;

        size_t getSize() override;
 
        static inline constexpr size_t FILE_NOT_FOUND = 0;
        static inline constexpr size_t INVALID_FILE_SIZE = ~(0);
        static inline constexpr size_t INVALID_FILE_POSITION = ~(0);
    private:
#ifdef MCE_PLATFORM_WINDOWS
        void* __ptr64 hFile = nullptr;
#elif defined(MCE_PLATFORM_LINUX) || defined(MCE_PLATFORM_MACOS)
        std::FILE* file;
#endif
    };
}