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where appropriate. git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@893 72102866-910b-0410-8b05-ffd578937521
157 lines
3.5 KiB
Objective-C
157 lines
3.5 KiB
Objective-C
/* Implementation of NSMutableData for GNUStep
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Copyright (C) 1995, 1996 Free Software Foundation, Inc.
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Written by: R. Andrew McCallum <mccallum@gnu.ai.mit.edu>
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Date: April 1995
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This file is part of the GNU Objective C Class 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., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <foundation/NSData.h>
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/* xxx Pretty messy. Needs work. */
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@implementation NSMutableData
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+ (id) dataWithCapacity: (unsigned int)numBytes
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{
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return [[[[NSGMutableData class] alloc] initWithCapacity:numBytes]
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autorelease];
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}
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+ (id) dataWithLength: (unsigned int)length
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{
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return [[[[NSGMutableData class] alloc] initWithLength:length]
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autorelease];
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}
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- (id) initWithCapacity: (unsigned int)capacity
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{
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return [self initWithBytesNoCopy:(*objc_malloc)(capacity)
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length:capacity];
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}
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/* This is the designated initializer */
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- (id) initWithBytesNoCopy: (void*)bytes
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length: (unsigned int)length
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{
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/* xxx Eventually we'll have to be aware of malloc'ed memory
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vs vm_allocate'd memory, etc. */
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[self subclassResponsibility:_cmd];
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return nil;
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}
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- (id) initWithLength: (unsigned int)length
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{
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[self initWithCapacity:length];
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memset([self bytes], 0, length);
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return self;
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}
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/* This method not in OpenStep */
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- (unsigned) capacity
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{
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[self subclassResponsibility:_cmd];
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return 0;
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}
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// Adjusting Capacity
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- (void) increaseLengthBy: (unsigned int)extraLength
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{
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[self setLength:[self length]+extraLength];
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}
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- (void) setLength: (unsigned int)length
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{
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[self subclassResponsibility:_cmd];
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}
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- (void*) mutableBytes
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{
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[self subclassResponsibility:_cmd];
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return NULL;
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}
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// Appending Data
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- (void) appendBytes: (const void*)bytes
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length: (unsigned int)length
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{
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[self subclassResponsibility:_cmd];
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}
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- (void) appendData: (NSData*)other
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{
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[self appendBytes:[other bytes]
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length:[other length]];
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}
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// Modifying Data
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- (void) replaceBytesInRange: (NSRange)aRange
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withBytes: (const void*)bytes
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{
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memcpy([self bytes] + aRange.location, bytes, aRange.length);
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}
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- (void) resetBytesInRange: (NSRange)aRange
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{
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memset([self bytes] + aRange.location, 0, aRange.length);
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}
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// Serializing Data
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- (void) serializeAlignedBytesLength: (unsigned int)length
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{
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[self notImplemented:_cmd];
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}
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- (void) serializeDataAt: (const void*)data
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ofObjCType: (const char*)type
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context: (id <NSObjCTypeSerializationCallBack>)callback
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{
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[self notImplemented:_cmd];
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}
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- (void) serializeInt: (int)value
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{
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[self notImplemented:_cmd];
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}
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- (void) serializeInt: (int)value
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atIndex: (unsigned int)location
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{
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[self notImplemented:_cmd];
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}
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- (void) serializeInts: (int*)intBuffer
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count: (unsigned int)numInts
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{
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[self notImplemented:_cmd];
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}
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- (void) serializeInts: (int*)intBuffer
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count: (unsigned int)numInts
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atIndex: (unsigned int)location
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{
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[self notImplemented:_cmd];
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}
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@end
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