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include/platform/filesystem/io_base.h

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+/* -----------------------------------------------------------------------------
+	GSFramework
+	Copyright 2001-2013 Emmanuel Julien. All Rights Reserved.
+----------------------------------------------------------------------------- */
+
+
+#ifndef	__NIOBASE__
+#define	__NIOBASE__
+
+
+		#include <stddef.h>
+		#include "filesystem/io_mode.h"
+		#include "memory/nshared_ptr.h"
+		#include "container/narray.h"
+		#include "alloc/ialloc.h"
+
+
+namespace GS {
+	class String;
+
+	namespace IO {
+		class Handle;
+
+/*!
+	@short	I/O base.
+	@author	Emmanuel Julien (ejulien@nworks.fr)
+*/
+struct	Base : public SharedObject
+{
+		NPLACEMENT_NEW(Filesystem)
+
+enum	SeekRef
+{
+	SeekStart		=	0,
+	SeekCurrent,
+	SeekEnd
+};
+
+enum	Caps
+{
+	IsCaseSensitive	=	(1 << 0),
+	CanRead			=	(1 << 1),
+	CanWrite		=	(1 << 2),
+	CanSeek			=	(1 << 3),
+	CanDelete		=	(1 << 4),
+	CanMkDir		=	(1 << 5)
+};
+
+		bool		FileLoad(const char *uri, Array <char> &buffer);
+		bool		FileSave(const char *uri, const Array <char> &buffer);
+
+		String		FileHash(const char *uri);
+
+virtual	bool		Exists(const char *);
+virtual	String		Hash(const char *);
+
+virtual	String		MapToAbsolute(const char *uri) const;
+virtual	String		MapToRelative(const char *path) const;
+
+virtual	uint		GetCaps() const = 0;
+
+virtual	Handle		*Open(const char *, Mode = ModeRead) = 0;
+virtual	void		Close(Handle *) = 0;
+
+virtual	bool		Delete(const char *) = 0;
+
+virtual	size_t		Tell(Handle *) = 0;
+virtual	size_t		Seek(Handle *, ptrdiff_t offset, SeekRef = SeekCurrent) = 0;
+
+virtual	size_t		Read(Handle *, void *, size_t) = 0;
+virtual	size_t		Write(Handle *, const void *, size_t) = 0;
+
+virtual	bool		MkDir(const char *) = 0;
+};
+
+	} // IO
+} // GS
+
+
+#endif	// __NIOBASE__