: Interesting if you are not going to use an analyser... what then ? I'm
: thinking of using javacc, because I oversimplified somewhat the 3 field
: string structure, so I need a kind of small grammar for that.
Well, the specifics of "what else" is in your files is going to be the
biggest factor in deciding how to find the bits of info you need.
Let me try to put in perspective for you how your question sounded to me,
as someone unfamiliar with your specific problem. the question sounded
equivilent to if someone had asked;
"I have a bunch of XML files, some of these XML files contain syntax that
loks like this...
<property name="${keyword}" min="${x}" max="${y}" />
where ${x} and ${y} are small numbers, and ${keyword} is from a fixed list
of words. My idea is to simply build a TokenFilter that will look for
those... do I have it right ?"
...and i would say: "Not really. Use an XML parser to parse your XML and
extract your structured data, then add them to your Lucene Document."
You're files may not be XML, but the basic premise is the same; use
whatever code makes the most sense to parse whatever file format you are
dealing with given what you know aboutthe files (not just the parts you
want, but the other parts as well)
Where an Analyzer might make sense is if you want to do processing on
those bits of data after you find them ... stemming your keywords, or
mapping them to synonyms, etc...
-Hoss
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