mirror of
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55 lines
1.6 KiB
Objective-C
55 lines
1.6 KiB
Objective-C
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/*
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* CSBlockStreamHandle.h
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*
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* Copyright (c) 2017-present, MacPaw Inc. All rights reserved.
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*
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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 Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301 USA
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*/
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#import "CSStreamHandle.h"
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#define CSBlockStreamHandle XADBlockStreamHandle
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@interface CSBlockStreamHandle:CSStreamHandle
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{
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uint8_t *_currblock;
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off_t _blockstartpos;
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int _blocklength;
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BOOL _endofblocks;
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}
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// Intializers
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//-(id)initWithName:(NSString *)descname length:(off_t)length;
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-(id)initWithInputBufferForHandle:(CSHandle *)handle length:(off_t)length bufferSize:(int)buffersize;
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-(id)initAsCopyOf:(CSBlockStreamHandle *)other;
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// Implemented by this class
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-(void)seekToFileOffset:(off_t)offs;
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-(void)resetStream;
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-(int)streamAtMost:(int)num toBuffer:(void *)buffer;
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// Internal methods
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-(void)_readNextBlock;
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// Implemented by subclasses
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-(void)resetBlockStream;
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-(int)produceBlockAtOffset:(off_t)pos;
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// Called by subclasses
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-(void)setBlockPointer:(uint8_t *)blockpointer;
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-(void)endBlockStream;
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@end
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