libxml-ruby's SAX parser interface is only of limited use currently. The reason is that the document to be parsed must be passed as a whole. This is somewhat contrary to the actual reason for the use of a SAX parser. The attached patch adds a new constructor to use the parser in the so-called "push mode" where it won't complain about the document to be unfinished when parsing subsequent parts of it.My goal was the parsing of a network XML stream (XMPP). Here, the document is being provided continually over time and I need the SAX events long before the document ends. :-) Unfortunately, the libxml parser seems to buffer a lot and I don't receive all events of the current string immediately. This behaviour renders it unsuitable for XMPP and I will stick to the apparently antique expat binding unless someone comes up with a better idea.
Does the underlying libxml library support this usage? If yes, then I'm sure we can figure out how to support it.
I do wonder though - if you're parsing xml as it is streamed in, how do you avoid ill-formed xml (say only partially finished elements "</f?
Charlie
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