meta(kernel): Reworked repository's filesystem structure.

Removing useless parts of the project too.

Signed-off-by: Amlal El Mahrouss <amlal.elmahrouss@icloud.com>

1 files changed, 0 insertions, 392 deletions

diff --git a/dev/Kernel/KernelKit/FileMgr.h b/dev/Kernel/KernelKit/FileMgr.h
deleted file mode 100644
index 543a9ae4..00000000
--- a/dev/Kernel/KernelKit/FileMgr.h
+++ /dev/null
@@ -1,392 +0,0 @@
-/* -------------------------------------------
-
-	Copyright (C) 2024-2025, Amlal EL Mahrouss Labs, all rights reserved.
-
-	File: FileMgr.h
-	Purpose: Kernel file manager.
-
-------------------------------------------- */
-
-/* -------------------------------------------
-
- Revision History:
-
-	 31/01/24: Update documentation (amlel)
-	 05/07/24: NeFS support, and fork support, updated constants and specs
-		as well.
-	18/01/25: Patches to FileStream class.
-
- ------------------------------------------- */
-
-#ifndef INC_FILEMGR_H
-#define INC_FILEMGR_H
-
-#ifdef __FSKIT_INCLUDES_NEFS__
-#include <FSKit/NeFS.h>
-#endif // __FSKIT_INCLUDES_NEFS__
-
-#ifdef __FSKIT_INCLUDES_HPFS__
-#include <FSKit/HPFS.h>
-#endif // __FSKIT_INCLUDES_HPFS__
-
-#include <CompilerKit/CompilerKit.h>
-#include <Hints/CompilerHint.h>
-#include <KernelKit/LPC.h>
-#include <KernelKit/DebugOutput.h>
-#include <NewKit/Stream.h>
-#include <NewKit/ErrorOr.h>
-#include <KernelKit/MemoryMgr.h>
-#include <NewKit/Ref.h>
-
-/// @brief Filesystem manager, abstraction over mounted filesystem.
-/// Works like the VFS or IFS.
-
-#define kRestrictR	 "r"
-#define kRestrictRB	 "rb"
-#define kRestrictW	 "w"
-#define kRestrictWB	 "rw"
-#define kRestrictRWB "rwb"
-
-#define kRestrictMax (5U)
-
-#define node_cast(PTR) reinterpret_cast<NeOS::NodePtr>(PTR)
-
-/**
-	@note Refer to first enum.
-*/
-#define kFileOpsCount	 (4U)
-#define kFileMimeGeneric "n-application-kind/all"
-
-/** @brief invalid position. (n-pos) */
-#define kNPos (SizeT)(-1);
-
-namespace NeOS
-{
-	enum
-	{
-		kFileWriteAll	= 100,
-		kFileReadAll	= 101,
-		kFileReadChunk	= 102,
-		kFileWriteChunk = 103,
-		kFileIOCnt		= (kFileWriteChunk - kFileWriteAll) + 1,
-		// file flags
-		kFileFlagRsrc = 104,
-		kFileFlagData = 105,
-	};
-
-	typedef VoidPtr NodePtr;
-
-	/**
-	@brief Filesystem Mgr Interface class
-	@brief Used to provide common I/O for a specific filesystem.
-*/
-	class IFilesystemMgr
-	{
-	public:
-		explicit IFilesystemMgr() = default;
-		virtual ~IFilesystemMgr() = default;
-
-	public:
-		NE_COPY_DEFAULT(IFilesystemMgr);
-
-	public:
-		/// @brief Mounts a new filesystem into an active state.
-		/// @param interface the filesystem interface
-		/// @return
-		static bool Mount(IFilesystemMgr* interface);
-
-		/// @brief Unmounts the active filesystem
-		/// @return
-		static IFilesystemMgr* Unmount();
-
-		/// @brief Getter, gets the active filesystem.
-		/// @return
-		static IFilesystemMgr* GetMounted();
-
-	public:
-		virtual NodePtr Create(_Input const Char* path)			 = 0;
-		virtual NodePtr CreateAlias(_Input const Char* path)	 = 0;
-		virtual NodePtr CreateDirectory(_Input const Char* path) = 0;
-		virtual NodePtr CreateSwapFile(const Char* path)		 = 0;
-
-	public:
-		virtual bool Remove(_Input const Char* path) = 0;
-
-	public:
-		virtual NodePtr Open(_Input const Char* path, _Input const Char* r) = 0;
-
-	public:
-		virtual Void Write(_Input NodePtr node, _Input VoidPtr data, _Input Int32 flags, _Input SizeT size) = 0;
-
-		virtual _Output VoidPtr Read(_Input NodePtr node,
-									 _Input Int32	flags,
-									 _Input SizeT	sz) = 0;
-
-		virtual Void Write(_Input const Char* name,
-						   _Input NodePtr	  node,
-						   _Input VoidPtr	  data,
-						   _Input Int32		  flags,
-						   _Input SizeT		  size) = 0;
-
-		virtual _Output VoidPtr Read(_Input const Char* name,
-									 _Input NodePtr		node,
-									 _Input Int32		flags,
-									 _Input SizeT		sz) = 0;
-
-	public:
-		virtual bool Seek(_Input NodePtr node, _Input SizeT off) = 0;
-
-	public:
-		virtual SizeT Tell(_Input NodePtr node)	  = 0;
-		virtual bool  Rewind(_Input NodePtr node) = 0;
-	};
-
-#ifdef __FSKIT_INCLUDES_NEFS__
-	/**
-	 * @brief Based of IFilesystemMgr, takes care of managing NeFS
-	 * disks.
-	 */
-	class NeFileSystemMgr final : public IFilesystemMgr
-	{
-	public:
-		explicit NeFileSystemMgr();
-		~NeFileSystemMgr() override;
-
-	public:
-		NE_COPY_DEFAULT(NeFileSystemMgr);
-
-	public:
-		NodePtr Create(const Char* path) override;
-		NodePtr CreateAlias(const Char* path) override;
-		NodePtr CreateDirectory(const Char* path) override;
-		NodePtr CreateSwapFile(const Char* path) override;
-
-	public:
-		bool	Remove(_Input const Char* path) override;
-		NodePtr Open(_Input const Char* path, _Input const Char* r) override;
-		Void	Write(_Input NodePtr node, _Input VoidPtr data, _Input Int32 flags, _Input SizeT sz) override;
-		VoidPtr Read(_Input NodePtr node, _Input Int32 flags, _Input SizeT sz) override;
-		bool	Seek(_Input NodePtr node, _Input SizeT off) override;
-		SizeT	Tell(_Input NodePtr node) override;
-		bool	Rewind(_Input NodePtr node) override;
-
-		Void Write(_Input const Char* name,
-				   _Input NodePtr	  node,
-				   _Input VoidPtr	  data,
-				   _Input Int32		  flags,
-				   _Input SizeT		  size) override;
-
-		_Output VoidPtr Read(_Input const Char* name,
-							 _Input NodePtr		node,
-							 _Input Int32		flags,
-							 _Input SizeT		sz) override;
-
-	public:
-		/// @brief Get NeFS parser class.
-		/// @return The filesystem parser class.
-		NeFileSystemParser* GetParser() noexcept;
-
-	private:
-		NeFileSystemParser* mParser{nullptr};
-	};
-
-#endif // ifdef __FSKIT_INCLUDES_NEFS__
-
-	/**
-	 * FileStream class.
-	 * @tparam Encoding file encoding (char, wchar_t...)
-	 * @tparam FSClass Filesystem contract who takes care of it.
-	 */
-	template <typename Encoding = Char,
-			  typename FSClass	= IFilesystemMgr>
-	class FileStream final
-	{
-	public:
-		explicit FileStream(const Encoding* path, const Encoding* restrict_type);
-		~FileStream();
-
-	public:
-		FileStream& operator=(const FileStream&);
-		FileStream(const FileStream&);
-
-	public:
-		ErrorOr<Int64> Write(const SizeT offset, const VoidPtr data, SizeT len) noexcept
-		{
-			if (this->fFileRestrict != kFileMgrRestrictReadWrite &&
-				this->fFileRestrict != kFileMgrRestrictReadWriteBinary &&
-				this->fFileRestrict != kFileMgrRestrictWrite &&
-				this->fFileRestrict != kFileMgrRestrictWriteBinary)
-				return ErrorOr<Int64>(kErrorInvalidData);
-
-			if (data == nullptr)
-				return ErrorOr<Int64>(kErrorInvalidData);
-
-			auto man = FSClass::GetMounted();
-
-			if (man)
-			{
-				man->Write(offset, fFile, data, len);
-				return ErrorOr<Int64>(0);
-			}
-
-			return ErrorOr<Int64>(kErrorInvalidData);
-		}
-
-		ErrorOr<Int64> Write(const Char* name, const VoidPtr data, SizeT len) noexcept
-		{
-			if (this->fFileRestrict != kFileMgrRestrictReadWrite &&
-				this->fFileRestrict != kFileMgrRestrictReadWriteBinary &&
-				this->fFileRestrict != kFileMgrRestrictWrite &&
-				this->fFileRestrict != kFileMgrRestrictWriteBinary)
-				return ErrorOr<Int64>(kErrorInvalidData);
-
-			if (data == nullptr)
-				return ErrorOr<Int64>(kErrorInvalidData);
-
-			auto man = FSClass::GetMounted();
-
-			if (man)
-			{
-				man->Write(name, fFile, data, 0, len);
-				return ErrorOr<Int64>(0);
-			}
-
-			return ErrorOr<Int64>(kErrorInvalidData);
-		}
-
-		VoidPtr Read(const Char* name, const SizeT sz) noexcept
-		{
-			if (this->fFileRestrict != kFileMgrRestrictReadWrite &&
-				this->fFileRestrict != kFileMgrRestrictReadWriteBinary &&
-				this->fFileRestrict != kFileMgrRestrictRead &&
-				this->fFileRestrict != kFileMgrRestrictReadBinary)
-				return nullptr;
-
-			auto man = FSClass::GetMounted();
-
-			if (man)
-			{
-				VoidPtr ret = man->Read(name, fFile, kFileReadAll, 0);
-				return ret;
-			}
-
-			return nullptr;
-		}
-
-		VoidPtr Read(SizeT offset, const SizeT sz)
-		{
-			if (this->fFileRestrict != kFileMgrRestrictReadWrite &&
-				this->fFileRestrict != kFileMgrRestrictReadWriteBinary &&
-				this->fFileRestrict != kFileMgrRestrictRead &&
-				this->fFileRestrict != kFileMgrRestrictReadBinary)
-				return nullptr;
-
-			auto man = FSClass::GetMounted();
-
-			if (man)
-			{
-				man->Seek(fFile, offset);
-				auto ret = man->Read(fFile, kFileReadChunk, sz);
-
-				return ret;
-			}
-
-			return nullptr;
-		}
-
-	public:
-		/// @brief Leak node pointer.
-		/// @return The node pointer.
-		NodePtr Leak()
-		{
-			return fFile;
-		}
-
-		/// @brief Leak MIME.
-		/// @return The MIME.
-		Char* MIME() noexcept
-		{
-			return const_cast<Char*>(fMime);
-		}
-
-		enum
-		{
-			kFileMgrRestrictRead,
-			kFileMgrRestrictReadBinary,
-			kFileMgrRestrictWrite,
-			kFileMgrRestrictWriteBinary,
-			kFileMgrRestrictReadWrite,
-			kFileMgrRestrictReadWriteBinary,
-		};
-
-	private:
-		NodePtr		fFile{nullptr};
-		Int32		fFileRestrict{kFileMgrRestrictReadBinary};
-		const Char* fMime{kFileMimeGeneric};
-	};
-
-	using FileStreamUTF8  = FileStream<Char>;
-	using FileStreamUTF16 = FileStream<WideChar>;
-
-	typedef UInt64 CursorType;
-
-	inline static const auto kRestrictStrLen = 8U;
-
-	/// @brief restrict information about the file descriptor.
-	struct FileRestrictKind final
-	{
-		Char  fRestrict[kRestrictStrLen];
-		Int32 fMappedTo;
-	};
-
-	/// @brief constructor
-	template <typename Encoding, typename Class>
-	inline FileStream<Encoding, Class>::FileStream(const Encoding* path,
-												   const Encoding* restrict_type)
-		: fFile(Class::GetMounted()->Open(path, restrict_type))
-	{
-		const SizeT			   kRestrictCount  = kRestrictMax;
-		const FileRestrictKind kRestrictList[] = {
-			{
-				.fRestrict = kRestrictR,
-				.fMappedTo = kFileMgrRestrictRead,
-			},
-			{
-				.fRestrict = kRestrictRB,
-				.fMappedTo = kFileMgrRestrictReadBinary,
-			},
-			{
-				.fRestrict = kRestrictRWB,
-				.fMappedTo = kFileMgrRestrictReadWriteBinary,
-			},
-			{
-				.fRestrict = kRestrictW,
-				.fMappedTo = kFileMgrRestrictWrite,
-			},
-			{
-				.fRestrict = kRestrictWB,
-				.fMappedTo = kFileMgrRestrictReadWrite,
-			}};
-
-		for (SizeT index = 0; index < kRestrictCount; ++index)
-		{
-			if (rt_string_cmp(restrict_type, kRestrictList[index].fRestrict,
-							  rt_string_len(kRestrictList[index].fRestrict)) == 0)
-			{
-				fFileRestrict = kRestrictList[index].fMappedTo;
-				break;
-			}
-		}
-
-		kout << "new file: " << path << ".\r";
-	}
-
-	/// @brief destructor of the file stream.
-	template <typename Encoding, typename Class>
-	inline FileStream<Encoding, Class>::~FileStream()
-	{
-		mm_delete_heap(fFile);
-	}
-} // namespace NeOS
-
-#endif // ifndef INC_FILEMGR_H