[XML-SIG] SAX2: Parser properties
Lars Marius Garshol
09 Apr 1999 22:43:58 +0200
The first three properties come from the JavaSAX proposal, while the
last one was invented by yours truly.
http://xml.org/sax/properties/namespace-sep <String> (write-only)
Set the separator to be used between the URI part of a name and the
local part of a name when namespace processing is being performed
(see the http://xml.org/sax/features/namespaces feature). By
default, the separator is a single space. This property may not be
set while a parse is in progress (throws a SAXNotSupportedException).
http://xml.org/sax/properties/dom-node <Node> (read-only)
Get the DOM node currently being visited, if the SAX parser is
iterating over a DOM tree. If the parser recognises and supports
this property but is not currently visiting a DOM node, it should
return null (this is a good way to check for availability before the
This property doesn't make much sense for Python, but I see no point
in leaving it out, either.
http://xml.org/sax/properties/xml-string <String> (read-only)
Get the literal string of characters associated with the current
event. If the parser recognises and supports this property but is
not currently parsing text, it should return null (this is a good
way to check for availability before the parse begins). I stole
this idea from Expat.
In addition, I think PySAX needs the following property:
http://python.org/sax/properties/data-encoding <String> (read/write)
This property can be used to control which character encoding is
used for data events that come from the parser. In Java this is not
an issue since all strings are Unicode, but in Python it is. Expat
reports UTF-8, while xmlproc/xmllib just pass on whatever they're
Do we need a special SAXEncodingNotSupportedException for this?
Otherwise it may be impossible to tell whether the parser doesn't
support this at all or whether it just doesn't support this