Catalog.java

/*
  Catalog.java

  (c) 2013-2015 Ed Swartz

  All rights reserved. This program and the accompanying materials
  are made available under the terms of the Eclipse Public License v1.0
  which accompanies this distribution, and is available at
  http://www.eclipse.org/legal/epl-v10.html
 */
package v9t9.tools;

import java.io.IOException;
import java.io.PrintStream;

import v9t9.common.files.CatalogEntry;
import v9t9.common.files.IEmulatedDisk;
import v9t9.common.files.NativeTextFile;
import v9t9.common.machine.IMachine;
import v9t9.tools.utils.BaseDiskUtil;
import v9t9.tools.utils.Category;
import v9t9.tools.utils.ToolUtils;
import ejs.base.logging.LoggingUtils;
import ejs.base.utils.Pair;
import gnu.getopt.Getopt;

/**
 * @author ejs
 *
 */
@Category(Category.DISKUTILS)
public class Catalog extends BaseDiskUtil {
	private static final String PROGNAME = Catalog.class.getSimpleName();
	
	private static final String entryFormat = "%-10s  %5s  %7s %3s  %s %s\n";
	
	private boolean showTextFiles;

	private static void help() {
        System.out.println("\n"
                        + "V9t9 Disk Catalog\n"
                        + "\n"
                        + "Shows the listing of files, types, and sizes in a disk or directory\n"
                        + "\n" 
                        + PROGNAME + " [options] {disk|dir}[:namePattern]\n"+
                        "\n"+
                        "Options:\n"+
                        "-t: show native files as DIS/VAR 80 files (e.g. to see FIAD name)\n"+
           			 "\n"+
           			 "where 'disk' is a path to a *.dsk or *.trk image and\n"+
           			 "'dir' is a disk directory or 'file' is a file, and\n"+
           			 "'namePattern' is a emulated file (or regex) in that disk or directory"
           			 );
    }

	public static void main(String[] args) {
		LoggingUtils.setupNullLogging();
		
        if (args.length == 0) {
        	help();
        	System.exit(0);
        }

        IMachine machine = ToolUtils.createMachine();
        
        Catalog catalog = new Catalog(machine, System.out);
        		
		Getopt getopt;
		getopt = new Getopt(PROGNAME, args, "?t");        

		int opt;
		while ((opt = getopt.getopt()) != -1) {
			switch (opt) {
            case '?':
                help();
                break;
            case 't': 
            	catalog.setShowTextFiles(true);
            	break;
			}
        }
		
        try {
            // leftover files are FIAD
            int idx = getopt.getOptind();
            while (idx < args.length) {
            	String name = args[idx++];
            	catalog.catalog(name);
            }
        } catch (IOException e) {
        	e.printStackTrace();
        }
	}

	/**
	 * @param showTextFiles
	 */
	private void setShowTextFiles(boolean showTextFiles) {
		this.showTextFiles = showTextFiles;
		
	}

	public Catalog(IMachine machine, PrintStream out) {
		super(machine, out);
	}

	private void catalog(String arg) throws IOException {
		v9t9.common.files.Catalog catalog;
		Pair<IEmulatedDisk, String> info = decode(arg);
		catalog = info.first.readCatalog();
		dumpCatalog(catalog, info.second);
	}

	private void dumpCatalog(v9t9.common.files.Catalog catalog, String pattern) {
		if (pattern == null) {
			out.println("Catalog of " + catalog.getDisk().getPath() + "\n");
			out.printf("Volume name:  %-10s  Used sectors: %5d  Total sectors: %5d\n\n",
					catalog.volumeName, catalog.usedSectors, catalog.totalSectors);
			out.printf(entryFormat,
					"Name", "Secs", "Type", "Len", "P", "Comment");
		}
		for (CatalogEntry entry : catalog.getEntries()) {
			if (pattern != null 
					&& !entry.getFile().getFileName().matches("(?i)"+pattern))
				continue;

			if (!showTextFiles && entry.getFile() instanceof NativeTextFile) {
				if (pattern != null)
					System.err.println("skipping matching entry '" + entry.fileName + "' since it is a non-V9t9 file (use -t to see)");
				continue;
			}

			String reclen = entry.typeCode != CatalogEntry.TYPE_PROGRAM ? 
					String.valueOf(entry.recordLength) : "";
			out.printf(entryFormat,
					entry.fileName, entry.secs, entry.type, reclen, entry.isProtected ? "Y" : " ",
							(entry.comment != null ? entry.comment : "")) ;
		}
		out.println();
	}

}