prolog
XML data types » XML data classes

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Vocabulary
xml.data

Class description
Represents an XML prolog, with the following slots:

version	containing "1.0" or "1.1"
encoding	a string representing the encoding type
standalone	a boolean, whether the document is standalone without external entities

See also
<prolog>

Definition

USING: kernel strings ;

IN: xml.data

TUPLE: prolog
    { version string initial: "" }
    { encoding string initial: "" }
    { standalone boolean initial: f } ;

Methods

USING: kernel namespaces sequences xml.data xml.errors
xml.private xml.state ;

M: prolog process
    xml-stack get { V{ { f V{ "" } } } V{ { f V{ } } } } member?
    [ bad-prolog ] unless add-child ;


USING: accessors io kernel xml.data xml.writer
xml.writer.private ;

M: prolog write-xml
    "<?xml version=" write
    [ version>> write-quoted ]
    [ drop " encoding=\"UTF-8\"" write ]
    [ standalone>> [ " standalone=\"yes\"" write ] when ] tri
    "?>" write ;