prolog
XML data types » XML data classes

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Vocabulary
xml.data

Class description
represents an XML prolog, with the tuple fields version (containing "1.0" or "1.1"), encoding (a string representing the encoding type), and standalone (t or f, whether the document is standalone without external entities)

See also
<prolog>, xml

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 ;