sloc.java

openmap java写的开源数字地图程序. 用applet实现,可以像google map 那样放大缩小地图.

// **********************************************************************
// 
// <copyright>
// 
//  BBN Technologies
//  10 Moulton Street
//  Cambridge, MA 02138
//  [phone]
// 
//  Copyright (C) BBNT Solutions LLC. All rights reserved.
// 
// </copyright>
// **********************************************************************
// 
// $Source: /cvs/distapps/openmap/src/openmap/com/bbn/openmap/util/wanderer/SLOC.java,v $
// $RCSfile: SLOC.java,v $
// $Revision: 1.2.2.2 $
// $Date: 2004/10/14 18:27:48 $
// $Author: dietrick $
// 
// **********************************************************************

package com.bbn.openmap.util.wanderer;

import java.io.EOFException;
import java.io.File;
import java.io.IOException;

import com.bbn.openmap.io.BinaryBufferedFile;
import com.bbn.openmap.io.FormatException;
import com.bbn.openmap.util.ArgParser;
import com.bbn.openmap.util.Debug;

/**
 * Count the source lines of code but going through the directory and
 * counting ; and }.
 */
public class SLOC implements WandererCallback {

    int sloc = 0;
    boolean DETAIL = false;

    public void setSLOC(int num) {
        sloc = num;
        DETAIL = Debug.debugging("sloc");
    }

    public int getSLOC() {
        return sloc;
    }

    // do nothing on directories
    public void handleDirectory(File directory) {}

    // count the ; and } in each file.
    public void handleFile(File file) {
        if (!file.getName().endsWith(".java")) {
            return;
        }

        if (DETAIL)
            Debug.output("Counting code in " + file.getName());

        int count = 0;

        try {
            BinaryBufferedFile bbf = new BinaryBufferedFile(file);

            try {
                while (true) {
                    char c = bbf.readChar();
                    if (c == ';' || c == '}') {
                        count++;
                    }
                }
            } catch (EOFException eofe) {
            } catch (FormatException fe) {
            }
            bbf.close();

            if (DETAIL)
                Debug.output(file.getName() + " has " + count + " LOC");

            sloc += count;

        } catch (IOException ioe) {
        }
    }

    /**
     * Given a set of files or directories, parade through them to
     * change their case.
     * 
     * @param argv paths to files or directories, use -h to get a
     *        usage statement.
     */
    public static void main(String[] argv) {
        Debug.init();

        ArgParser ap = new ArgParser("SLOC");

        if (argv.length == 0) {
            ap.bail("Counts ';' and '}' to sum up Source Lines Of Code\nUsage: java com.bbn.openmap.util.wanderer.SLOC <dir>",
                    false);
        }

        ap.parse(argv);

        String[] dirs = argv;

        SLOC sloc = new SLOC();
        Wanderer wanderer = new Wanderer(sloc);

        int runningTotal = 0;

        // Assume that the arguments are paths to directories or
        // files.
        for (int i = 0; i < dirs.length; i++) {
            sloc.setSLOC(0);
            wanderer.handleEntry(new File(dirs[i]));
            Debug.output("Source Lines of Code in " + dirs[i] + " = "
                    + sloc.getSLOC());
            runningTotal += sloc.getSLOC();
        }

        if (dirs.length > 1) {
            Debug.output("Total Source Lines of Code in all directories = "
                    + runningTotal);
        }
    }
}