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c31c32a186
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@7189 72102866-910b-0410-8b05-ffd578937521
141 lines
4.3 KiB
Objective-C
141 lines
4.3 KiB
Objective-C
/* Interface for GNU Objective-C coder object for use serializing
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Copyright (C) 1994, 1995, 1996 Free Software Foundation, Inc.
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Written by: Andrew Kachites McCallum <mccallum@gnu.ai.mit.edu>
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Date: July 1994
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This file is part of the GNUstep Base Library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA.
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*/
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#ifndef __Coder_h_GNUSTEP_BASE_INCLUDE
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#define __Coder_h_GNUSTEP_BASE_INCLUDE
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#include <base/Coding.h>
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#include <base/Streaming.h>
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#include <Foundation/NSHashTable.h>
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#include <Foundation/NSMapTable.h>
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@class CStream;
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/* The root abstract class for archiving */
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@interface Coder : NSObject
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{
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@public
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int format_version;
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CStream *cstream;
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NSMapTable *classname_2_classname; /* for changing class names on r/w */
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int interconnect_stack_height; /* number of nested root objects */
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}
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+ setDebugging: (BOOL)f;
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@end
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/* An abstract class for writing an archive */
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@interface Encoder : Coder
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{
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@public
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/* xxx in_progress_table should actually be an NSHashTable,
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but we are working around a bug right now. */
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NSMapTable *in_progress_table; /* objects begun writing, but !finished */
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NSMapTable *object_2_xref; /* objects already written */
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NSMapTable *object_2_fref; /* table of forward references */
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NSMapTable *const_ptr_2_xref; /* const pointers already written */
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unsigned fref_counter; /* Keep track of unused fref numbers */
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}
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- initForWritingToFile: (NSString*) filename;
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- initForWritingToFile: (NSString*) filename
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withCStreamClass: (Class) cStreamClass;
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- initForWritingToFile: (NSString*) filename
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withFormatVersion: (int) version
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cStreamClass: (Class)scc
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cStreamFormatVersion: (int) cStreamFormatVersion;
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- initForWritingToStream: (id <Streaming>) s;
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- initForWritingToStream: (id <Streaming>) s
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withCStreamClass: (Class) cStreamClass;
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- initForWritingToStream: (id <Streaming>) s
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withFormatVersion: (int) version
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cStreamClass: (Class) cStreamClass
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cStreamFormatVersion: (int) cStreamFormatVersion;
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+ (BOOL) encodeRootObject: anObject
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withName: (NSString*) name
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toFile: (NSString*) filename;
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+ (BOOL) encodeRootObject: anObject
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withName: (NSString*) name
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toStream: (id <Streaming>)stream;
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/* Defaults */
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+ (void) setDefaultStreamClass: sc;
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+ defaultStreamClass;
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+ (void) setDefaultCStreamClass: sc;
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+ defaultCStreamClass;
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+ (void) setDefaultFormatVersion: (int)fv;
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+ (int) defaultFormatVersion;
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@end
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@interface Encoder (Encoding) <Encoding>
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@end
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/* An abstract class for reading an archive. */
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@interface Decoder : Coder
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{
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NSZone *zone; /* zone in which to create objects */
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id xref_2_object; /* objects already read */
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id xref_2_object_root; /* objs read since last -startDecodoingI.. */
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NSMapTable *xref_2_const_ptr; /* const pointers already written */
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NSMapTable *fref_2_object; /* table of forward references */
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NSMapTable *address_2_fref; /* table of forward references */
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}
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/* These are class methods (and not instance methods) because the
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header of the file or stream determines which subclass of Decoder
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is created. */
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+ newReadingFromFile: (NSString*) filename;
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+ newReadingFromStream: (id <Streaming>)stream;
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+ decodeObjectWithName: (NSString* *) name
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fromFile: (NSString*) filename;
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+ decodeObjectWithName: (NSString* *) name
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fromStream: (id <Streaming>)stream;
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@end
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@interface Decoder (Decoding) <Decoding>
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@end
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/* Extensions to NSObject for encoding and decoding. */
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@interface NSObject (OptionalNewWithCoder)
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+ newWithCoder: (Coder*)aDecoder;
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@end
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GS_EXPORT id CoderSignatureMalformedException;
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#endif /* __Coder_h_GNUSTEP_BASE_INCLUDE */
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