/*
* 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) 2008, 2014, Oracle and/or its affiliates. All rights reserved.
*/
package org.opensolaris.opengrok.search;
import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.InputStreamReader;
import java.text.ParseException;
import java.util.ArrayList;
import java.util.List;
import org.opensolaris.opengrok.configuration.RuntimeEnvironment;
import org.opensolaris.opengrok.util.Getopt;
/**
* Search and list the matching files
*/
@SuppressWarnings({"PMD.AvoidPrintStackTrace", "PMD.SystemPrintln"})
final class Search {
private static final String usage = "USAGE: Search -R <configuration.xml> [-d | -r | -p | -h | -f | -t] 'query string' ..\n" +
"\t -R <configuration.xml> Read configuration from the specified file\n" +
"\t -d Symbol Definitions\n" +
"\t -r Symbol References\n" +
"\t -p Path\n" +
"\t -h History\n" +
"\t -f Full text\n" +
"\t -t Type";
private SearchEngine engine;
final List<Hit> results = new ArrayList<>();
int totalResults = 0;
int nhits = 0;
@SuppressWarnings({"PMD.SwitchStmtsShouldHaveDefault"})
protected boolean parseCmdLine(String[] argv) {
engine = new SearchEngine();
Getopt getopt = new Getopt(argv, "R:d:r:p:h:f:t:");
try {
getopt.parse();
} catch (ParseException e) {
System.err.println(e.getMessage());
System.err.println(usage);
return false;
}
int cmd;
while ((cmd = getopt.getOpt()) != -1) {
switch (cmd) {
case 'R':
try {
RuntimeEnvironment.getInstance().readConfiguration(new File(getopt.getOptarg()));
} catch (IOException e) {
System.err.println("Failed to read config file: ");
System.err.println(e.getMessage());
return false;
}
break;
case 'd':
engine.setDefinition(getopt.getOptarg());
break;
case 'r':
engine.setSymbol(getopt.getOptarg());
break;
case 'p':
engine.setFile(getopt.getOptarg());
break;
case 'h':
engine.setHistory(getopt.getOptarg());
break;
case 'f':
engine.setFreetext(getopt.getOptarg());
break;
case 't':
engine.setType(getopt.getOptarg());
break;
}
}
return true;
}
protected boolean search() {
if (RuntimeEnvironment.getInstance().getDataRootPath() == null) {
System.err.println("You must specify a configuration file");
System.err.println(usage);
return false;
}
if (engine == null || !engine.isValidQuery()) {
System.err.println("You did not specify a valid query");
System.err.println(usage);
return false;
}
results.clear();
nhits = engine.search();
if (nhits > 0) {
engine.results(0, nhits, results);
}
totalResults = engine.totalHits;
engine.destroy();
return true;
}
protected void dumpResults() {
if (results.isEmpty()) {
System.err.println("Your search \"" + engine.getQuery() + "\" did not match any files.");
} else {
String root = RuntimeEnvironment.getInstance().getSourceRootPath();
System.out.println("Printing results 1 - " + nhits +" of " + totalResults + " total matching documents collected.");
for (Hit hit : results) {
File file = new File(root, hit.getPath());
System.out.println(file.getAbsolutePath() + ":"+hit.getLineno()+" [" + hit.getLine() + "]");
}
if (nhits<totalResults) {
System.out.println("Printed results 1 - " + nhits +" of " + totalResults + " total matching documents collected.");
System.out.println("Collect the rest (y/n) ?");
BufferedReader in;
try {
in = new BufferedReader(new InputStreamReader(System.in, "UTF-8"));
String line = in.readLine();
if (null == line || line.length() == 0 || line.charAt(0) == 'n') {
return;
}
} catch (IOException ex) {
System.err.println(ex.getMessage());
}
engine.results(nhits, totalResults, results);
for (Hit hit : results) {
File file = new File(root, hit.getPath());
System.out.println(file.getAbsolutePath() + ":"+hit.getLineno()+" [" + hit.getLine() + "]");
}
}
}
}
/**
* usage Search index "query" prune path
* @param argv command line arguments
*/
public static void main(String[] argv) {
Search searcher = new Search();
boolean success = false;
if (searcher.parseCmdLine(argv) && searcher.search()) {
success = true;
searcher.dumpResults();
}
if (!success) {
System.exit(1);
}
}
}