ITByteStream.h

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