/*
* 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]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved.
*/
package org.opensolaris.opengrok.analysis.c;
import java.io.IOException;
import java.io.Reader;
import java.io.StringReader;
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.XrefWriter;
import org.opensolaris.opengrok.analysis.plain.PlainAnalyzer;
import org.opensolaris.opengrok.configuration.Project;
import org.opensolaris.opengrok.history.Annotation;
/**
* An Analyzer for C/C++/Java type of files
*
* Created on September 21, 2005
* @author Chandan
*/
public class CAnalyzer extends PlainAnalyzer {
/** Creates a new instance of CAnalyzer */
CSymbolTokenizer cref;
CXref xref;
Reader dummy = new StringReader("");
protected CAnalyzer(FileAnalyzerFactory factory) {
super(factory);
cref = new CSymbolTokenizer(dummy);
xref = new CXref(dummy);
}
@Override
public void analyze(Document doc, Reader in) throws IOException {
super.analyze(doc, in);
doc.add(new Field("refs", dummy));
}
@Override
public TokenStream overridableTokenStream(String fieldName, Reader reader) {
if("refs".equals(fieldName)) {
cref.reInit(super.content, super.len);
return cref;
}
return super.overridableTokenStream(fieldName, reader);
}
/**
* Write a cross referenced HTML file.
* @param out Writer to write HTML cross-reference
*/
public void writeXref(XrefWriter out) throws IOException {
xref.reInit(content, len);
xref.project = project;
xref.setDefs(defs);
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, XrefWriter out, Definitions defs,
Annotation annotation, Project project) throws IOException {
CXref xref = new CXref(in);
xref.annotation = annotation;
xref.project = project;
xref.setDefs(defs);
xref.write(out);
}
}