view tango/tango/io/protocol/model/IProtocol.d @ 132:1700239cab2e trunk

[svn r136] MAJOR UNSTABLE UPDATE!!! Initial commit after moving to Tango instead of Phobos. Lots of bugfixes... This build is not suitable for most things.
author lindquist
date Fri, 11 Jan 2008 17:57:40 +0100
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/*******************************************************************************

        copyright:      Copyright (c) 2004 Kris Bell. All rights reserved

        license:        BSD style: $(LICENSE)

        version:        Jan 2007: initial release
        
        author:         Kris 

*******************************************************************************/

module tango.io.protocol.model.IProtocol;

private import tango.io.model.IBuffer;

/*******************************************************************************
        
*******************************************************************************/

abstract class IProtocol
{
        enum Type
        {
                Void = 0,
                Utf8, 
                Bool,
                Byte,
                UByte,
                Utf16,
                Short,
                UShort,
                Utf32,
                Int,
                UInt,
                Float,
                Long,
                ULong,
                Double,
                Real,
                Obj,
                Pointer,
        }
        
        /***********************************************************************

        ***********************************************************************/

        alias void   delegate (void* src, uint bytes, Type type) Writer;
        alias void   delegate (void* src, uint bytes, Type type) ArrayWriter;

        alias void[] delegate (void* dst, uint bytes, Type type) Reader;
        alias void[] delegate (Reader reader, uint bytes, Type type) Allocator;

        alias void[] delegate (void* dst, uint bytes, Type type, Allocator) ArrayReader;
        
        /***********************************************************************

        ***********************************************************************/

        abstract IBuffer buffer ();

        /***********************************************************************

        ***********************************************************************/

        abstract void[] read (void* dst, uint bytes, Type type);

        /***********************************************************************

        ***********************************************************************/

        abstract void write (void* src, uint bytes, Type type);

        /***********************************************************************

        ***********************************************************************/

        abstract void[] readArray (void* dst, uint bytes, Type type, Allocator alloc);
        
        /***********************************************************************

        ***********************************************************************/

        abstract void writeArray (void* src, uint bytes, Type type);
}


/*******************************************************************************

*******************************************************************************/

abstract class IAllocator
{
        /***********************************************************************
        
        ***********************************************************************/

        abstract void reset ();
        
        /***********************************************************************

        ***********************************************************************/

        abstract IProtocol protocol ();

        /***********************************************************************

        ***********************************************************************/

        abstract void[] allocate (IProtocol.Reader, uint bytes, IProtocol.Type);
}