"

 COPYRIGHT (c) 2004 by eXept Software AG

              All Rights Reserved

 This software is furnished under a license and may be used

 only in accordance with the terms of that license and with the

 inclusion of the above copyright notice.   This software may not

 be provided or otherwise made available to, or used by, any

 other person.  No title to or ownership of the software is

 hereby transferred.

"

"{ Package: 'stx:libbasic' }"

PeekableStream subclass:#EncodedStream

	instanceVariableNames:'encoder stream'

	classVariableNames:''

	poolDictionaries:''

	category:'Collections-Text-Encodings'

!

!EncodedStream class methodsFor:'documentation'!

copyright

"

 COPYRIGHT (c) 2004 by eXept Software AG

              All Rights Reserved

 This software is furnished under a license and may be used

 only in accordance with the terms of that license and with the

 inclusion of the above copyright notice.   This software may not

 be provided or otherwise made available to, or used by, any

 other person.  No title to or ownership of the software is

 hereby transferred.

"

! !

!EncodedStream class methodsFor:'instance creation'!

stream:streamArg encoder:encoder

    ^ (self basicNew) stream:streamArg; encoder:encoder

! !

!EncodedStream methodsFor:'accessing'!

encoder

    ^ encoder

!

encoder:something

    encoder := something.

!

readStream

    ^ self

!

stream

    ^ stream

!

stream:something

    stream := something.

! !

!EncodedStream methodsFor:'stream protocol'!

atEnd

    ^ stream atEnd

!

close

    stream close

!

cr

    self nextPutAll:(Character cr asString)

!

next

    "that is a bad kludge - should care for the decoding here.

     Added to be able to show the classDefinition of SOAP::SoXmlUtil,

     which reads the comment from an encoded file."

    ^ stream next

!

nextChunk

    |chunk|

    chunk := stream nextChunk.

    chunk isNil ifTrue:[^ chunk].

    ^ encoder decodeString:chunk

!

nextChunkPut:chunk

    stream nextChunkPut:(encoder encodeString:chunk)

!

nextPut:aCharacter

    self nextPutAll:(aCharacter asString).

!

nextPutAll:aCollection

    stream nextPutAll:(encoder encodeString:aCollection).

!

peek

    ^ stream peek

!

peekFor:aCharacter

    ^ stream peekFor:aCharacter

!

position

    ^ stream position

!

position0Based

    ^ stream position0Based

!

position0Based:newPosition

    stream position0Based:newPosition

!

position1Based

    ^ stream position1Based

!

position1Based:newPosition

    stream position1Based:newPosition

!

position:newPosition

    stream position:newPosition

!

setToEnd

    stream setToEnd

!

skipSeparators

    ^ stream skipSeparators

! !

!EncodedStream methodsFor:'utilities'!

skipEncodingChunk

    |pos chunk tree|

    pos := self position.

    chunk := self nextChunk.

    tree := (Parser parseExpression:chunk).

    "/ if this is a valid chunk (i.e. not a comment or encoding-directive),

    "/ then position back, so it will be processed as usual.

    tree notNil ifTrue:[

        self position:pos

    ]

! !

!EncodedStream class methodsFor:'documentation'!

version

    ^ '$Header: /cvs/stx/stx/libbasic/EncodedStream.st,v 1.12 2009-06-12 13:37:31 mb Exp $'

! !