Class: SingleByteEncoder (in CharacterEncoderImplementations)

• Inheritance
• Description
• Class protocol
  • queries
• Instance protocol
  • encoding & decoding
  • queries
  • stream support

Inheritance:

   Object
   |
   +--CharacterEncoder
      |
      +--CharacterEncoderImplementations::FixedBytesEncoder
         |
         +--CharacterEncoderImplementations::SingleByteEncoder
            |
            +--CharacterEncoderImplementations::ASCII
            |
            +--CharacterEncoderImplementations::CP437
            |
            +--CharacterEncoderImplementations::EBCDIC
            |
            +--CharacterEncoderImplementations::ISO8859_1
            |
            +--CharacterEncoderImplementations::ISO8859_10
            |
            +--CharacterEncoderImplementations::ISO8859_11
            |
            +--CharacterEncoderImplementations::ISO8859_13
            |
            +--CharacterEncoderImplementations::ISO8859_14
            |
            +--CharacterEncoderImplementations::ISO8859_15
            |
            +--CharacterEncoderImplementations::ISO8859_16
            |
            +--CharacterEncoderImplementations::ISO8859_2
            |
            +--CharacterEncoderImplementations::ISO8859_3
            |
            +--CharacterEncoderImplementations::ISO8859_4
            |
            +--CharacterEncoderImplementations::ISO8859_5
            |
            +--CharacterEncoderImplementations::ISO8859_6
            |
            +--CharacterEncoderImplementations::ISO8859_7
            |
            +--CharacterEncoderImplementations::ISO8859_8
            |
            +--CharacterEncoderImplementations::KOI8_R
            |
            +--CharacterEncoderImplementations::MAC_Roman
            |
            +--CharacterEncoderImplementations::MS_Arabic
            |
            +--CharacterEncoderImplementations::MS_Baltic
            |
            +--CharacterEncoderImplementations::MS_CP1252
            |
            +--CharacterEncoderImplementations::MS_Cyrillic
            |
            +--CharacterEncoderImplementations::MS_EastEuropean
            |
            +--CharacterEncoderImplementations::MS_Greek
            |
            +--CharacterEncoderImplementations::MS_Hebrew
            |
            +--CharacterEncoderImplementations::MS_Symbol
            |
            +--CharacterEncoderImplementations::MS_Turkish

Package:

stx:libbasic

Category:

Collections-Text-Encodings

Version:

rev: 1.14 date: 2018/01/19 13:44:22

user: stefan

file: CharacterEncoderImplementations__SingleByteEncoder.st directory: libbasic

module: stx stc-classLibrary: libbasic

Author:

Claus Gittinger

Description:

Common abstract superclass for all single-byte encodings.

Class protocol:

 isAbstract

Return if this class is an abstract class.
True is returned here; false for subclasses.
Abstract subclasses must redefine this again.

 maxCode

Instance protocol:

 decodeString: anEncodedStringOrByteCollection

given a string in my encoding, return a unicode-string for it

usage example(s):

CharacterEncoderImplementations::ISO8859_1 decodeString:'hello'

 encodeString: aUnicodeString

given a string in unicode, return a string in my encoding for it

 characterSize: charOrCodePoint

return the number of bytes required to encode codePoint

 encodeCharacter: aUnicodeCharacterOrCodePoint on: aStream

given a character in unicode, encode it onto aStream.
Subclasses can redefine this to avoid allocating many new string instances.

usage example(s):

CharacterEncoderImplementations::ISO8859_10 new encodeCharacter:260 on:Transcript CharacterEncoderImplementations::ISO8859_10 new encodeCharacter:$Ą on:Transcript

 readNext: charactersToRead charactersFrom: stream

 readNextCharacterFrom: aStream