ReadWriteStream.st
author claus
Wed, 13 Oct 1993 03:14:32 +0100
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 COPYRIGHT (c) 1989 by Claus Gittinger
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	      All Rights Reserved
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 This software is furnished under a license and may be used
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 only in accordance with the terms of that license and with the
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 inclusion of the above copyright notice.   This software may not
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 be provided or otherwise made available to, or used by, any
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 other person.  No title to or ownership of the software is
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 hereby transferred.
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"
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WriteStream subclass:#ReadWriteStream
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       instanceVariableNames:''
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       classVariableNames:''
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       poolDictionaries:''
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       category:'Streams'
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!
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ReadWriteStream comment:'
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COPYRIGHT (c) 1989 by Claus Gittinger
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	      All Rights Reserved
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$Header: /cvs/stx/stx/libbasic/ReadWriteStream.st,v 1.4 1993-10-13 02:13:21 claus Exp $
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'!
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!ReadWriteStream methodsFor: 'access-reading'!
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peek
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    (position > readLimit) ifTrue: [ ^ nil ].
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    ^ collection at:position
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!
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next
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    |p|
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    (position > readLimit) ifTrue: [ ^ nil ].
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    p := position.
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    position := position + 1.
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    ^ collection at:p
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! !