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Date: Tue, 28 Nov 2006 14:22:09 -0500
From: Steven Rowe <sarowe@syr.edu>
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To: java-dev@lucene.apache.org
Subject: Re: I want to develop an analyzer based on StandardAnalyzer
References: <20061125100659.64590.qmail@web25410.mail.ukl.yahoo.com>
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Hello Cristophe,

christophe leroy wrote:
> I need an Analyzer which doesn't separate the
> underscored words and with the StandardAnalyzer
> functionnalities.
> So, the solution is to create a new Analyzer .
> 
> I have seen several mails about that. I tried to apply
> the proposed solutions but I have a problem.
[...]
> C:\Documents and
> Settings\CLEROY\Bureau\pb_lucene2\lucene-1.4.3-src\lucene-1.4.3
> \src\java\org\apache\lucene\analysis\standard>"C:\Documents
> and Settings\CLEROY\
> Bureau\pb_lucene2\javacc-4.0\javacc-4.0\bin\javacc"
> StandardTokenizer.jj
[...]

I don't know if your problem is being caused by this (though I suspect
it is -- see below), but the standard way to rebuild the JavaCC-based
parsers is via an ant target -- from Lucene's BUILD.txt:

  - After JavaCC is installed, create a build.properties file
    [...] and add the line

        javacc.home=/javacc

    where this points to the root directory of your javacc
    installation (the directory that contains bin/lib/javacc.jar).

  - To rebuild any of the JavaCC-based parsers, run "ant javacc".

So, your build.properties should contain (all on one line):

   javacc.home = C:/Documents and
Settings/CLEROY/Bureau/pb_lucene2/javacc-4.0/javacc-4.0

----

The "javacc" ant target calls the "javacc-StandardAnalyzer" target,
which generates the source files in a temporary directory, then copies
them back where they need to be for compilation, in the process getting
rid of ParseException.java:

  <target name="javacc-StandardAnalyzer"
          depends="init,javacc-check"
          if="javacc.present">
    <!-- generate this in a build directory so we can exclude
         ParseException -->
    <mkdir dir="${build.dir}/gen/org/apache/lucene/analysis/standard"/>

    <invoke-javacc
target="src/java/org/apache/lucene/analysis/standard/StandardTokenizer.jj"
     outputDir="${build.dir}/gen/org/apache/lucene/analysis/standard"/>

    <copy todir="src/java/org/apache/lucene/analysis/standard">
      <fileset
          dir="${build.dir}/gen/org/apache/lucene/analysis/standard">
        <include name="*.java"/>
        <exclude name="ParseException.java"/>
      </fileset>
    </copy>
  </target>

Good luck,
Steve

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