parseDocumentSource

XmlDocument parseDocumentSource(
       XmlByteSource source,
       XmlParseOptions options =  XmlParseOptions.init,
       string systemId =  "")

@safe

Parses a complete XML document from a user-provided byte source.

`source`	Byte source callback.
`options`	Parsing options.
`systemId`	Optional identifier used for error reporting.

Parsed DOM XmlDocument.