87 lines
1.6 KiB
C++
87 lines
1.6 KiB
C++
/* -----------------------------------------------------------------------------
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GSFramework
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Copyright 2001-2013 Emmanuel Julien. All Rights Reserved.
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----------------------------------------------------------------------------- */
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#ifndef __NIOMEMORY__
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#define __NIOMEMORY__
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#include "filesystem/io_handle.h"
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#include "container/nlist.h"
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#include "nstring/nstring.h"
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namespace GS {
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namespace IO {
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//
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class MemoryFile
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{
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friend class Memory;
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String uri;
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Array <char> data;
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size_t size; //< Might be != data.GetSize()
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MemoryFile(const char *_uri = 0) : uri(_uri), size(0) {}
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public:
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const String &GetUri() const { return uri; }
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const Array <char> &GetData() const { return data; }
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size_t GetSize() const { return size; }
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};
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//
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class MemoryHandle : public Handle
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{
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friend class Memory;
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MemoryFile *file;
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size_t cursor;
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Mode mode;
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MemoryHandle(Base *, MemoryFile *, Mode = ModeRead);
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public:
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~MemoryHandle();
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};
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/*!
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@short Memory I/O.
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@author Emmanuel Julien (ejulien@nworks.fr)
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*/
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class Memory : public Base
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{
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AutoList <MemoryFile *> fat;
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public:
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/// Return the system file allocation table.
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const List <MemoryFile *> &GetFat() const { return fat; }
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virtual uint GetCaps() const;
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virtual Handle *Open(const char *, Mode = ModeRead);
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virtual void Close(Handle *);
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virtual bool Delete(const char *);
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virtual size_t Tell(Handle *);
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virtual size_t Seek(Handle *, ptrdiff_t offset, SeekRef = SeekCurrent);
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virtual size_t Read(Handle *, void *, size_t);
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virtual size_t Write(Handle *, const void *, size_t);
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virtual bool MkDir(const char *) { return false; }
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};
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} // IO
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} // GS
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#endif // __NIOMEMORY__
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