ITByteStream.h

   1 /*
   2  *      ITFoundation
   3  *      ITByteStream.h
   4  *
   5  *      Copyright (c) 2005 by iThink Software.
   6  *      All Rights Reserved.
   7  *
   8  *      $Id$
   9  *
  10  */
  11
  12 #import <Foundation/Foundation.h>
  13
  14 @protocol ITDataReceiver;
  15
  16 @protocol ITDataProvider <NSObject>
  17 - (id <ITDataReceiver>)setDelegate:(id <ITDataReceiver>)delegate;
  18 - (id <ITDataReceiver>)delegate;
  19 @end
  20
  21 @protocol ITDataReceiver <NSObject>
  22 -(oneway void)newDataAdded:(id <ITDataProvider>)sender;
  23 @end
  24
  25 @interface ITByteStream : NSObject <ITDataProvider> {
  26         @public
  27         NSMutableData *data;
  28         @private
  29         NSLock *lock;
  30         id <ITDataReceiver> delegate;
  31 }
  32
  33 - (id)initWithDelegate:(id <ITDataReceiver>)delegate;
  34 - (id)initWithStream:(ITByteStream *)stream delegate:(id <ITDataReceiver>)d;
  35 - (int)availableDataLength;
  36 - (NSData*)readDataOfLength:(int)length;
  37 - (NSData*)readAllData;
  38 - (void)writeData:(in NSData *)data;
  39 - (void)writeBytes:(in char *)b len:(long)length;
  40 - (void)lockStream;
  41 - (void)unlockStream;
  42 - (void)shortenData:(long)length;
  43 - (id <ITDataReceiver>)setDelegate:(id <ITDataReceiver>)delegate;
  44 - (id <ITDataReceiver>)delegate;
  45
  46 @end