FourByteString.st
author Stefan Vogel <sv@exept.de>
Wed, 12 Dec 2012 23:55:08 +0100
changeset 2865 6f8b04862cc9
parent 1415 3ef6a2c42611
child 3533 1465b5fed73e
permissions -rw-r--r--
class: FourByteString added: #isWideString
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"
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 COPYRIGHT (c) 2004 by eXept Software AG
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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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"{ Package: 'stx:libbasic2' }"
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CharacterArray variableLongSubclass:#FourByteString
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	instanceVariableNames:''
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	classVariableNames:''
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	poolDictionaries:''
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	category:'Collections-Text'
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!
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!FourByteString class methodsFor:'documentation'!
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copyright
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"
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 COPYRIGHT (c) 2004 by eXept Software AG
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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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!
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documentation
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"
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    FourByteStrings are like strings, but storing 32bits per character.
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    The integration of them into the system is not completed ....
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    [author:]
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        Claus Gittinger
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    [see also:]
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        Text TwoByteString UnicodeEncodedString
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        StringCollection
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"
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! !
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!FourByteString class methodsFor:'initialization'!
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initialize
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    "initialize the class - private"
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    self flags:(Behavior flagLongs)
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    "
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     FourByteString initialize
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    "
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    "Modified: 22.4.1996 / 16:14:14 / cg"
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! !
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!FourByteString class methodsFor:'instance creation'!
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basicNew:anInteger
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    "return a new empty string with anInteger characters"
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    ^ (super basicNew:anInteger) atAllPut:(Character space)
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    "Modified: 26.2.1996 / 14:38:47 / cg"
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! !
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!FourByteString methodsFor:'accessing'!
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basicAt:index
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    "return the character at position index, an Integer
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     - reimplemented here since we return 32-bit characters"
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    |val|
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    val := super basicAt:index.
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    ^ Character value:val
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!
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basicAt:index put:aCharacter
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    "store the argument, aCharacter at position index, an Integer.
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     Returns aCharacter (sigh).
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     - reimplemented here since we store 32-bit characters"
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    |val|
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    val := aCharacter codePoint.
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    super basicAt:index put:val.
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    ^ aCharacter
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! !
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!FourByteString methodsFor:'queries'!
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bitsPerCharacter
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    "return the number of bits each character has.
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     Here, 32 is returned (storing quad byte characters)."
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    ^ 32
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!
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isWideString
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    ^ true
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! !
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!FourByteString class methodsFor:'documentation'!
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version
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    ^ '$Header: /cvs/stx/stx/libbasic2/FourByteString.st,v 1.3 2012-12-12 22:55:08 stefan Exp $'
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! !
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FourByteString initialize!