PerlAnalyzer.java revision ff5eba819da0cf7964d884630fb13262ef12c505
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* See LICENSE.txt included in this distribution for the specific
* language governing permissions and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at LICENSE.txt.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
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/*
* Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
*/
package org.opensolaris.opengrok.analysis.perl;
import java.io.IOException;
import java.io.Reader;
import java.io.StringReader;
import java.io.Writer;
import org.apache.lucene.analysis.TokenStream;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.opensolaris.opengrok.analysis.Definitions;
import org.opensolaris.opengrok.analysis.FileAnalyzerFactory;
import org.opensolaris.opengrok.analysis.plain.PlainAnalyzer;
import org.opensolaris.opengrok.configuration.Project;
import org.opensolaris.opengrok.history.Annotation;
/**
*
* @author Lubos Kosco
*/
public class PerlAnalyzer extends PlainAnalyzer {
PerlSymbolTokenizer cref;
PerlXref xref;
Reader dummy = new StringReader("");
/** Creates a new instance of PerlAnalyzer */
protected PerlAnalyzer(FileAnalyzerFactory factory) {
super(factory);
cref = new PerlSymbolTokenizer(dummy);
xref = new PerlXref(dummy);
}
@Override
public void analyze(Document doc, Reader in) throws IOException {
super.analyze(doc, in);
doc.add(new Field("refs", dummy));
}
@Override
public TokenStream tokenStream(String fieldName, Reader reader) {
if("refs".equals(fieldName)) {
cref.reInit(super.content, super.len);
return cref;
}
return super.tokenStream(fieldName, reader);
}
/**
* Write a cross referenced HTML file.
* @param out Writer to write HTML cross-reference
*/
@Override
public void writeXref(Writer out) throws IOException {
xref.reInit(content, len);
xref.setDefs(defs);
xref.project = project;
xref.write(out);
}
/**
* Write a cross referenced HTML file reads the source from in
* @param in Input source
* @param out Output xref writer
* @param defs definitions for the file (could be null)
* @param annotation annotation for the file (could be null)
*/
static void writeXref(Reader in, Writer out, Definitions defs, Annotation annotation, Project project) throws IOException {
PerlXref xref = new PerlXref(in);
xref.annotation = annotation;
xref.project = project;
xref.setDefs(defs);
xref.write(out);
}
}