SAX2: pull interface

[Lars Marius Garshol]

* Steinar Bang
| 
| Doesn't recursive descent parsers have a problem with partial input
| received from the net?  Don't you have to buffer up the entire file
| before you start parsing?

No. There are many recursive-descent parsers that support incremental
parsing (where data is pushed into the parser by the application).
xmllib (Python), xmlproc (Python) and expat (C, provided it is RD) do
this, at least. 

My unreleased Common Lisp parser also does this, but is not
incremental, instead it requires a stream from which it can read.

--Lars M.


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