CharacterEncoderImplementations__TwoByteEncoder.st
author Jan Vrany <jan.vrany@fit.cvut.cz>
Sun, 18 Dec 2016 11:19:27 +0000
branchjv
changeset 21242 19fabe339f8b
parent 19861 95c7068e30ba
parent 21141 7781e9897d93
child 21387 e3865533e6a6
permissions -rw-r--r--
Merge

"
 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' }"

"{ NameSpace: CharacterEncoderImplementations }"

CharacterEncoder subclass:#TwoByteEncoder
	instanceVariableNames:''
	classVariableNames:''
	poolDictionaries:''
	category:'Collections-Text-Encodings'
!

!TwoByteEncoder 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.
"
! !

!TwoByteEncoder class methodsFor:'queries'!

maxCode
    ^ 16rFFFF 
!

minCode
    ^ 0 
! !

!TwoByteEncoder methodsFor:'queries'!

characterSize:codePoint
    "return the number of bytes required to encode codePoint"

    ^2

    "Created: / 15-06-2005 / 15:12:01 / janfrog"
! !

!TwoByteEncoder methodsFor:'stream support'!

readNextCharacterFrom:aStream
    | c |

    c := aStream nextUnsignedInt16MSB:false.
    ^ c isNil 
        ifTrue: [nil]
        ifFalse: [(self decode:c) asCharacter]
!

readNextInputCharacterFrom:aStream
    ^ aStream nextUnsignedInt16MSB:false
! !

!TwoByteEncoder class methodsFor:'documentation'!

version
    ^ '$Header$'
!

version_CVS
    ^ '$Header$'
! !