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Core/Stream: Add MemoryMapped stream options (allowing for direct memory access)

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This commit is contained in:
SirLynix
2023-03-03 13:18:51 +01:00
parent 3000345eab
commit 34abeeb7bd
9 changed files with 103 additions and 72 deletions
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14
include/Nazara/Core/Stream.hpp
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@@ -17,6 +17,7 @@
namespace Nz
{
class AbstractHash;
class ByteArray;
class NAZARA_CORE_API Stream
@@ -33,18 +34,20 @@ namespace Nz
inline void Flush();
virtual std::filesystem::path GetDirectory() const;
virtual std::filesystem::path GetPath() const;
inline OpenModeFlags GetOpenMode() const;
inline StreamOptionFlags GetStreamOptions() const;
UInt64 GetCursorPos() const;
virtual std::filesystem::path GetDirectory() const;
inline const void* GetMappedPointer() const;
inline void* GetMappedPointerMutable();
inline OpenModeFlags GetOpenMode() const;
virtual std::filesystem::path GetPath() const;
virtual UInt64 GetSize() const = 0;
inline StreamOptionFlags GetStreamOptions() const;
std::size_t Read(void* buffer, std::size_t size);
virtual std::string ReadLine(unsigned int lineSize = 0);
inline bool IsBufferingEnabled() const;
inline bool IsMemoryMapped() const;
inline bool IsReadable() const;
inline bool IsSequential() const;
inline bool IsTextModeEnabled() const;
@@ -65,6 +68,7 @@ namespace Nz
inline Stream(StreamOptionFlags streamOptions = StreamOption::None, OpenModeFlags openMode = OpenMode::NotOpen);
virtual void FlushStream() = 0;
virtual void* GetMemoryMappedPointer() const;
virtual std::size_t ReadBlock(void* buffer, std::size_t size) = 0;
virtual bool SeekStreamCursor(UInt64 offset) = 0;
virtual UInt64 TellStreamCursor() const = 0;