Added memoryfilesystem and working on c wrapper

include/TessesFramework/Filesystem/MemoryFilesystem.hpp

@@ -0,0 +1,99 @@
+#pragma once
+#include "VFS.hpp"
+#include "VFSFix.hpp"
+#include "../Threading/Mutex.hpp"
+#include <atomic>
+namespace Tesses::Framework::Filesystem
+{
+    class MemoryEntry {
+        public:
+            std::string name;
+            virtual ~MemoryEntry();
+    };
+    class MemoryFileData {
+        public:
+            MemoryFileData();
+            time_t lastWrite;
+            
+            bool canAccess;
+            size_t readers;
+            std::vector<uint8_t> file;
+    };
+
+    class MemoryFile : public MemoryEntry
+    {
+        public:
+            std::shared_ptr<MemoryFileData> data;
+            ~MemoryFile();
+    };
+
+    class MemoryDirectory : public MemoryEntry
+    {
+        public:
+            MemoryDirectory();
+            time_t lastWrite;
+            std::vector<MemoryEntry*> entries;
+            ~MemoryDirectory();
+    };
+
+    class MemorySymlink : public MemoryEntry
+    {
+        public:
+            time_t lastWrite;
+            VFSPath linkedTo;
+    };
+
+    class MemoryFilesystemStream : public Streams::Stream
+    {
+        public:
+            std::shared_ptr<Tesses::Framework::Threading::Mutex> mtx;
+            std::shared_ptr<MemoryFileData> data;
+            bool canRead;
+            bool canWrite;
+            bool canSeek;
+            int64_t pos;
+            MemoryFilesystemStream(std::shared_ptr<Tesses::Framework::Threading::Mutex> mtx, std::shared_ptr<MemoryFileData> data,bool canRead, bool canWrite, bool canSeek);
+            size_t Read(uint8_t* buff, size_t sz);
+            size_t Write(const uint8_t* buff, size_t sz);
+            bool CanRead();
+            bool CanWrite();
+            bool CanSeek();
+            int64_t GetPosition();
+            void Flush();
+            void Seek(int64_t pos, Streams::SeekOrigin whence);
+            ~MemoryFilesystemStream();
+    };
+
+
+    class MemoryFilesystem : public VFS
+    {
+        std::shared_ptr<Tesses::Framework::Threading::Mutex> mtx;
+        MemoryDirectory root;
+
+        MemoryEntry* GetEntry(VFSPath path,bool followSymlink);
+        public:
+            MemoryFilesystem();
+            Tesses::Framework::Streams::Stream* OpenFile(VFSPath path, std::string mode);
+            
+            void CreateDirectory(VFSPath path);
+            void DeleteDirectory(VFSPath path);
+            bool RegularFileExists(VFSPath path);
+            bool SymlinkExists(VFSPath path);
+            bool DirectoryExists(VFSPath path);
+           
+            void DeleteFile(VFSPath path);
+            void CreateSymlink(VFSPath existingFile, VFSPath symlinkFile);
+            VFSPathEnumerator EnumeratePaths(VFSPath path);
+            void CreateHardlink(VFSPath existingFile, VFSPath newName);
+            
+            void MoveFile(VFSPath src, VFSPath dest);
+            
+            void MoveDirectory(VFSPath src, VFSPath dest);
+            VFSPath ReadLink(VFSPath path);
+            std::string VFSPathToSystem(VFSPath path);
+            VFSPath SystemToVFSPath(std::string path);
+            void GetDate(VFSPath path, time_t& lastWrite, time_t& lastAccess);
+            void SetDate(VFSPath path, time_t lastWrite, time_t lastAccess);
+            ~MemoryFilesystem();
+    };
+};