Started working on the VFS

1 files changed, 83 insertions, 0 deletions

diff --git a/Source/Kernel/VFS/FSNode.proto.h b/Source/Kernel/VFS/FSNode.proto.h
new file mode 100644
index 0000000..bc350f9
--- /dev/null
+++ b/Source/Kernel/VFS/FSNode.proto.h
@@ -0,0 +1,83 @@
+#ifndef DEF_FSNODE_PROTO_H
+#define DEF_FSNODE_PROTO_H
+
+#include <Core/common.wtf.h>
+#include <Library/String.class.h>
+
+class FileSystem;
+
+enum {
+	NT_FILE = 1,
+	NT_DIRECTORY = 2,
+	NT_SYMLINK = 3,
+	NT_MOUNTPOINT = 4
+};
+
+class FSNode {
+	protected:
+	String m_name;
+	u32int m_length;
+	u32int m_permissions, m_uid, m_gid;
+	FileSystem *m_fs;
+	FSNode *m_parent;
+	u32int m_inode;
+
+	public:
+	FSNode(String name, FileSystem* fs, FSNode* parent, u32int inode, u32int length = 0, u32int permissions = 0777, 
+			u32int uid = 0, u32int gid = 0) :
+		m_name(name), m_fs(fs), m_parent(parent), m_inode(inode), m_length(length), m_premissions(permissions),
+		m_uid(uid), m_gid(gid) {}
+
+	virtual u8int type() = 0;
+	
+	String getName() { return m_name; }
+	u32int getLength() { return m_length; }
+	u32int getPermissions() { return m_permissions; }
+	u32int getUid() { return m_uid; }
+	u32int getGid() { return m_gid; }
+	FileSystem *getFS() { return m_fs; }
+	FSNode* getParent() { return m_parent; }
+	u32int getInode() { return m_inode; }
+
+	//Must be implemented by *FSNode
+	virtual bool FSSetName(String name) = 0;
+	virtual bool FSTruncate() = 0;
+	virtual bool FSSetPermissions(u32int permissions) = 0;
+	virtual bool FSSetUid(u32int uid) = 0;
+	virtual bool FSSetGid(u32int gid) = 0;
+	virtual bool FSSetParent(FSNode* parent) = 0;
+
+	bool setName(String name) { 
+		bool b = FSSetName(name);
+		if (b) m_name = name;
+		return b;
+   	}
+	bool truncate() {
+		bool b = FSTruncate();
+		if (b) m_length = 0;
+		return b;
+	}
+	bool setPermissions(u32int permissions) {
+		bool b = FSSetPermissions(permissions);
+		if (b) m_permissions = permissions;
+		return b;
+   	}
+	bool setUid(u32int uid) {
+		bool b = FSSetUid(uid);
+		if (b) m_uid = uid;
+		return b;
+   	}
+	bool setGid(u32int gid) {
+		bool b = FSSetGid(gid);
+		if (b) m_gid = gid;
+		return b;
+	}
+	bool setParent(FSNode* parent) {
+		bool b = FSSetParent(parent);	//FSSetParent is only expected to move files/directories in the same filesystem
+		if (b) m_parent = parent;
+		return b;
+   	}
+	void setInode(u32int inode) { m_inode = inode; }
+};
+
+#endif