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#pragma once
#include "deimos/core/base.h"
#include "deimos/core/id_name.h"
#include "deimos/core/io.h"
namespace deimos
{
enum class OsConsoleType : uint8_t
{
kStdOut,
kStdErr,
};
class OsConsoleApi
{
public:
OsConsoleApi() = default;
deimos_NO_COPY_MOVE(OsConsoleApi);
virtual ~OsConsoleApi() = default;
virtual void Write(OsConsoleType, Span<const std::byte> data) = 0;
};
struct OsDll;
class OsDllApi
{
public:
OsDllApi() = default;
deimos_NO_COPY_MOVE(OsDllApi);
virtual ~OsDllApi() = default;
virtual gsl::owner<OsDll*> Open(gsl::czstring) = 0;
virtual void* GetSymbol(OsDll*, gsl::czstring) = 0;
};
class OsVirtualMemoryApi
{
public:
OsVirtualMemoryApi() = default;
deimos_NO_COPY_MOVE(OsVirtualMemoryApi);
virtual ~OsVirtualMemoryApi() = default;
virtual gsl::owner<void*> Map(int64_t size) = 0;
virtual void Unmap(gsl::owner<void*>) = 0;
virtual gsl::owner<void*> Reserve(int64_t size) = 0;
virtual void Commit(void* ptr, int64_t size) = 0;
};
class OsApi
{
public:
static constexpr IdName kApiName{"deimos::OsApi"};
OsConsoleApi* console{};
OsDllApi* dll{};
OsVirtualMemoryApi* virtual_memory{};
};
class OsConsoleWriter : public IWriter
{
OsConsoleApi* m_api;
OsConsoleType m_type;
public:
constexpr OsConsoleWriter(OsConsoleApi* api, OsConsoleType type) :
m_api{api}, m_type{type}
{}
constexpr void Write(Span<const std::byte> data) override
{
m_api->Write(m_type, data);
}
};
} // namespace deimos
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