Need help compiling v4l cvs
I just bought myself a new tv card that needs the cvs version of v4l... I've tried to compile it but always fails... I did this:
cvs -d :pserver:[email protected]:/cvs/video4linux login
cvs -d :pserver:[email protected]:/cvs/video4linux co video4linux
cvs -d :pserver:[email protected]:/cvs/linuxtv login
cvs -z3 -d :pserver:[email protected]:/cvs/linuxtv co -P dvb-kernel
cd video4linux
./scripts/merge-trees.sh
make
And as a result I get only errors... Files not being found and errors about incomplete types... I think this is the right way to compile the cvs, according to their wiki, so maybe it's an arch thing? I've never tried to compile any modules before so this is a totally new thing for me... Please help!
yeah, I know! it was my intension from the start but I had problem cutting and pasting from a terminal into firefox... but I found out a way now!
make gives this output:
make -C /lib/modules/2.6.12-ARCH/build SUBDIRS=/root/video4linux modules
make[1]: Entering directory `/usr/src/linux-2.6.12-ARCH'
CC [M] /root/video4linux/video-buf.o
/root/video4linux/video-buf.c:36:29: media/video-buf.h: No such file or directory
fixdep: /root/video4linux/.video-buf.o.d is empty
CC [M] /root/video4linux/v4l1-compat.o
CC [M] /root/video4linux/v4l2-common.o
CC [M] /root/video4linux/btcx-risc.o
CC [M] /root/video4linux/ir-common.o
/root/video4linux/ir-common.c:27:29: media/ir-common.h: No such file or directory
fixdep: /root/video4linux/.ir-common.o.d is empty
CC [M] /root/video4linux/bttv-driver.o
CC [M] /root/video4linux/bttv-cards.o
CC [M] /root/video4linux/bttv-risc.o
CC [M] /root/video4linux/bttv-if.o
In file included from /root/video4linux/bttv-if.c:35:
/root/video4linux/bttvp.h:52:29: media/video-buf.h: No such file or directory
/root/video4linux/bttvp.h:53:29: media/audiochip.h: No such file or directory
/root/video4linux/bttvp.h:54:25: media/tuner.h: No such file or directory
/root/video4linux/bttvp.h:55:28: media/tveeprom.h: No such file or directory
/root/video4linux/bttvp.h:56:29: media/ir-common.h: No such file or directory
fixdep: /root/video4linux/.bttv-if.o.d is empty
CC [M] /root/video4linux/bttv-vbi.o
CC [M] /root/video4linux/bttv-i2c.o
CC [M] /root/video4linux/bttv-gpio.o
In file included from /root/video4linux/bttv-gpio.c:36:
/root/video4linux/bttvp.h:52:29: media/video-buf.h: No such file or directory
/root/video4linux/bttvp.h:53:29: media/audiochip.h: No such file or directory
/root/video4linux/bttvp.h:54:25: media/tuner.h: No such file or directory
/root/video4linux/bttvp.h:55:28: media/tveeprom.h: No such file or directory
/root/video4linux/bttvp.h:56:29: media/ir-common.h: No such file or directory
fixdep: /root/video4linux/.bttv-gpio.o.d is empty
CC [M] /root/video4linux/cx88-video.o
In file included from /root/video4linux/media/video-buf-dvb.h:3,
from /root/video4linux/cx88.h:33,
from /root/video4linux/cx88-video.c:37:
/root/video4linux/dmxdev.h:38:19: demux.h: No such file or directory
In file included from /root/video4linux/media/video-buf-dvb.h:4,
from /root/video4linux/cx88.h:33,
from /root/video4linux/cx88-video.c:37:
/root/video4linux/dvb_demux.h:46: error: field `filter' has incomplete type
/root/video4linux/dvb_demux.h:47: error: `DMX_MAX_FILTER_SIZE' undeclared here (not in a function)
/root/video4linux/dvb_demux.h:65: error: field `ts' has incomplete type
/root/video4linux/dvb_demux.h:66: error: field `sec' has incomplete type
/root/video4linux/dvb_demux.h:70: error: parse error before "dmx_ts_cb"
/root/video4linux/dvb_demux.h:70: warning: no semicolon at end of struct or union
/root/video4linux/dvb_demux.h:70: warning: no semicolon at end of struct or union
/root/video4linux/dvb_demux.h:71: warning: type defaults to `int' in declaration of `sec'
/root/video4linux/dvb_demux.h:71: warning: data definition has no type or storage class
/root/video4linux/dvb_demux.h:72: warning: type defaults to `int' in declaration of `cb'
/root/video4linux/dvb_demux.h:72: warning: data definition has no type or storage class
/root/video4linux/dvb_demux.h:95: error: parse error before '}' token
/root/video4linux/dvb_demux.h:98: error: field `dmx' has incomplete type
/root/video4linux/dvb_demux.h:118: error: `DMX_TS_PES_OTHER' undeclared here (not in a function)
In file included from /root/video4linux/cx88.h:33,
from /root/video4linux/cx88-video.c:37:
/root/video4linux/media/video-buf-dvb.h:27: error: field `fe_hw' has incomplete type
/root/video4linux/media/video-buf-dvb.h:28: error: field `fe_mem' has incomplete type
/root/video4linux/dvb_demux.h:86: error: storage size of `pes_type' isn't known
make[2]: *** [/root/video4linux/cx88-video.o] Error 1
make[1]: *** [_module_/root/video4linux] Error 2
make[1]: Leaving directory `/usr/src/linux-2.6.12-ARCH'
make: *** [default] Error 2
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import java.io.*;
import java.sql.*;
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String dbUserID;
String dbLastName;
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if(getUser(dbUserID) != null)
dbLastName = user.getLastName();
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pStmt.setString(1, dbLastName);
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pStmt.setBytes(3, serializeObj(pswd));
pStmt.setBoolean(4, isAdmin);
pStmt.setString(5, dbUserID);
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result = true;
else
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}// Methods for deleting a record from a table
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private void delStock(String stockSymbol) throws SQLException,IOException,ClassNotFoundException
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String stockSymbol;
Statement stmt = con.createStatement();
try
con.setAutoCommit(false);
dbUserID = user.getUserID();
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ResultSet rs1 = stmt.executeQuery("SELECT userID, symbol "
+"FROM UserStocks WHERE userID = '"+dbUserID+"'");
while(rs1.next())
try
stockSymbol = rs1.getString("symbol");
delUserStocks(dbUserID, stockSymbol);
catch(SQLException ex)
throw new SQLException("Deletion of user stock holding failed: " +ex.getMessage());
} // end of loop thru UserStocks
try
{ // holdings deleted, now delete user
stmt.executeUpdate("DELETE FROM Users WHERE "
+"userID = '"+dbUserID+"'");
catch(SQLException ex)
throw new SQLException("User deletion failed: "+ex.getMessage());
else
throw new IOException("User not found in database - cannot delete.");
try
con.commit();
catch(SQLException ex)
throw new SQLException("Transaction commit failed: "+ex.getMessage());
catch (SQLException ex)
try
con.rollback();
catch (SQLException sqx)
throw new SQLException("Transaction failed then rollback failed: " +sqx.getMessage());
// Transaction failed, was rolled back
throw new SQLException("Transaction failed; was rolled back: " +ex.getMessage());
stmt.close();
// delete a record from the UserStocks table
public void delUserStocks(String userID, String stockSymbol) throws SQLException,IOException,ClassNotFoundException
Statement stmt = con.createStatement();
ResultSet rs;
stmt.executeUpdate("DELETE FROM UserStocks WHERE "
+"userID = '"+userID+"'"
+"AND symbol = '"+stockSymbol+"'");
rs = stmt.executeQuery("SELECT symbol FROM UserStocks "
+"WHERE symbol = '"+stockSymbol+"'");
if(!rs.next()) // no users have this stock
delStock(stockSymbol);
stmt.close();
// Methods for listing record data from a table
// Ordered by:
// methods that obtain individual field(s),
// methods that obtain a complete record, and
// methods that obtain multiple records
// Methods to access one or more individual fields
// get a stock description from the Stocks table
public String getStockDesc(String stockSymbol) throws SQLException, IOException, ClassNotFoundException
Statement stmt = con.createStatement();
String stockDesc = null;
ResultSet rs = stmt.executeQuery("SELECT symbol, name FROM Stocks "
+"WHERE symbol = '"+stockSymbol+"'");
if(rs.next())
stockDesc = rs.getString("name");
rs.close();
stmt.close();
return stockDesc;
// Methods to access a complete record
// get User data from the Users table
public User getUser(String userID) throws SQLException,IOException,ClassNotFoundException
Statement stmt = con.createStatement();
String dbUserID;
String dbLastName;
String dbFirstName;
Password dbPswd;
boolean isAdmin;
byte[] buf = null;
User user = null;
ResultSet rs = stmt.executeQuery("SELECT * FROM Users WHERE userID = '" +userID+"'");
if(rs.next())
dbUserID = rs.getString("userID");
dbLastName = rs.getString("lastName");
dbFirstName = rs.getString("firstName");
// Do NOT use with JDK 1.2.2 using JDBC-ODBC bridge as
// SQL NULL data value is not handled correctly.
buf = rs.getBytes("pswd");
dbPswd=(Password)deserializeObj(buf);
isAdmin = rs.getBoolean("admin");
user = new User(dbUserID,dbFirstName,dbLastName,dbPswd,isAdmin);
rs.close();
stmt.close();
return user; // User object created for userID
// Methods to access a list of records
// get a list of selected fields for all records from the Users Table
public ArrayList listUsers() throws SQLException,IOException,ClassNotFoundException
ArrayList<String> aList = new ArrayList<String>();
Statement stmt = con.createStatement();
ResultSet rs = stmt.executeQuery("SELECT userID, firstName, lastName, admin "
+"FROM Users ORDER BY userID");
while(rs.next())
aList.add(rs.getString("userID"));
aList.add(rs.getString("firstName"));
aList.add(rs.getString("lastName"));
aList.add(new Boolean(rs.getBoolean("admin")));
rs.close();
stmt.close();
return aList;
// get all fields in all records for a given user from the UserStocks table
public ArrayList listUserStocks(String userID) throws SQLException, IOException, ClassNotFoundException
ArrayList<String> aList = new ArrayList<String>();
Statement stmt = con.createStatement();
ResultSet rs = stmt.executeQuery("SELECT * FROM UserStocks "
+"WHERE userID = '"+userID+"' ORDER BY symbol");
while(rs.next())
aList.add(rs.getString("symbol"));
rs.close();
stmt.close();
return aList;
} -
Error when compiling AppleScript for CS2, need help
I've recently started learning AppleScript, and while I'm no stranger to programming I'm a little lost when it comes to errors like this one. I have both InDesign CS2 and InDesign CS3 installed so I'm not sure if my problem is caused by that, they were installed before I started working on this mac. I've also been recently upgraded from Tiger to Leopard, in case that might be a probable cause.
Basically, my problem stems from this:
tell application "Adobe InDesign CS2"
get active document
end tell
When I try to compile this I get a Syntax Error that says "Expected end of line but found class name." and highlights "document". I've also had problems trying to use things like "page 1" or "view preferences" with similar errors. With the case of things like "page 1" I've had to replace it with "item 1 of pages" to get it to compile.
If I change it to "Adobe InDesign CS3" it works fine, but I need to compile for CS2 for backwards compatability. Strangely, this method works:
set indesign to application "Adobe InDesign CS2"
tell indesign
using terms from application "Adobe InDesign CS3"
get active document
end using terms from
end tell
Does this mean my CS2 dictionary is broken? I can view it fine from the Script Editor, and I've seen things like "active document" used in example scripts, so this syntax error is confusing me.I'm not sure why you're getting that error, but a couple of things:
Using "document 1" instead of "active document" is not a bad habit,
because there are cases where active document doesn't work.
When you compile the scripts, the version is somewhat irrelevant -- when
you go to run them, they look for a running application of the same creator
code, and use that. It's a bit like when you double-click on a document in
the Finder -- it doesn't matter what version of ID you made it in, it will
try to open in whatever version is running first.
Shane Stanley <[email protected]>
AppleScript Pro Sessions <http://scriptingmatters.com/aspro -
Urgent help please - What files needed to compile servlets
I am trying to compile some servlets but can't. I recently reformatted and forgot how I had configured Tomcat previously.
What files do I need to compile servlets, and where do I have to save them etc.
Thanksu will require jsdk.jar..
put this in classpath and then compile ..it will surely compile
and for compiling ...there is no configuration reqd in tomcat -
Need help with Math related operations...
I'm learning JAVA for more than 3 weeks and I really need help...
I'm using SDK1.4 with Elixir IDE Lite (+patch installed).
In the following screenshot <http://www.geocities.com/jonny_fyy/pics/java1.png>, I've got this error (when I right-click -> Compile) . Do you know what it means & how can I solve it?
Here's how it should look if correct (pic scan from lab worksheet)... <http://www.geocities.com/jonny_fyy/pics/lab.jpg>
Here's my java file... <http://www.geocities.com/jonny_fyy/FahToCeltxt.java>
Thanks for helping :>Hi jonny
One step ahead:
import java.awt.*;
import java.applet.*;
import java.awt.event.*;
public class FahToCeltxt extends Applet implements ActionListener {
TextField msgField ;
String msg = null;
int msgValue;
Label title;
Button b;
public void init() {
title = new Label("Enter degrees in Fahrenheit: ");
add(title);
msgField = new TextField (10);
add(msgField);
// msgField.addTextListener(this);
b = new Button("Convert");
b.addActionListener(this);
add(b);
// public void textValueChanged(TextEvent event) {
// msgValue = Integer.parseInt(msgField.getText());
// repaint();
public void paint (Graphics g) {
int result = (msgValue - 32) * 5/9 ;
g.drawString("Degree Centigrade is " + result , 50, 50);
public void actionPerformed(ActionEvent e) {
msgValue = Integer.parseInt(msgField.getText());
repaint();
}Regards. -
Need help with a currently "in-use" form we want to switch to Adobes hosting service
Hi, I am in desperate need of help with some issues concerning several forms which we currently use a paid third party (not Adobe) to host and "re-distribute through email"...Somehow I got charged $14.95 for YOUR service, (signed up for a trial, but never used it)..and now I am paying for a year of use of the similar service which Adobe is in control of. I might want to port my form distribution through Adobe in the hopes of reducing the errors, problems and hassles my customers are experiencing when some of them push our "submit button". (and I guess I am familiar with these somewhat from reading what IS available in here, and I also know that, Adobe is working to alleviate some of these " submit" issues, so let's don't start by going backwards, here) I need solutions now for my issues or I can leave it as is, If Adobe's solution will be no better for my end users...
We used FormsCentral to code these forms and it works for the most part (if the end-user can co-operate, and thats iffy, sometimes), but I need help with how to make it go through your servers (and not the third party folks we use now), Not being cruel or racist here, but your over the phone "support techs" are about horrible & I cannot understand them or work with any of them, so I would definitely need someone who speaks English and can understand the nuances of programming these forms, to please contact me back. (Sorry, but both those attributes will be required to be able to help me, so, no "newbie-interns" or first week trainees are gonna cut it).... If you have anyone who fits the bill on those items and would be willing to help us, please contact me back at your earliest convenience. If we have to communicate here, I will do that & I can submit whatever we need to & to whoever we need to.
I need to get this right and working for the majority of my users and on any platform and OS.
You may certainly call me to talk about this, and I have given my number numerous times to your (expletive deleted) time wasting - recording message thingy. So, If it's not available look it up under [email protected]
(and you will probably get right to me, unlike my and I'm sure most other folks', "Adobe phone-in experiences")
Thank You,
Michael Corman
VinylCouture
Phenix City, Alabama 36869Well, thanks for writing back...just so you know...I started using Adobe products in 1987, ...yeah...back then...like Illustrator 1 & 9" B&W Macs ...John Warnock's Helvetica's....stuff like that...8.5 x 11 LaserWriters...all that good stuff...I still have some of it working on a mac...much of it was stuff I bought. some stuff I did not...I'm not a big fan of this "cloud" thing Adobe has foisted upon the creatives of the world...which I'm sure you can tell...but the functionality and usefulness of your software can not be disputed, so feel free to do whatever we will continue to pay for, ...I am very impressed with CC PS on the 64 bit PC and perhaps I will end up paying you the stipend that you demand for the other services.
So I guess that brings us to our problem.. a few years back and at the height of the recession and near bankruptcy myself, I was damn lucky and hit on something and began a small arts and crafts supply service to sell my products online to a very "niche market" ...I had a unique product and still sell that product (plus others) online...My website is www.vinylcouture.com...Strange? Yes...but there is a market it seems, for everything now, and this is the market I service...Catagorically, these are 99%+ women that use these "adhesive, sticky backed vinyl products" to make different "craft items" that are just way too various and numerous to go into... generally older women, women who are computer illiterate for the most part...and all this is irrelevant to my problem, but I want you to have every bit of background on this and especially the demographic we are dealing with, so we can get right to the meat of the problem.
OK...So about two years ago, I decided to offer a "plain sheet" product of a plain colored "stick back" vinyl... it is available in multiple quantities of packs ( like 5 pieces, 10 pieces, 15 pieces, in a packi & so on)...and if you are still on my site.. go to any "GO RIGHT TO OUR ORDER PAGE" button, scroll down a little...and then to the "PLAIN VINYL" section...you will see the Weebly website order process.) You can back out from here, I think,..but, anyway this product is available in 63 colors + or - a few. So then the problem is, how do they select their individual colors within that (whatever) pack?... .
So my initial idea was to enable a "selection form" for these "colors" that would be transmitted to me via email as 'part" of the "order process".. We tried getting our customers to submit a " a list" ( something my competitiors still do, lol, poor bastards)......but that..is just unbelievable..I can't even begin to tell you what a freakin' nightmare that was...these people cannot even count to 10, much less any higher... figuring out what colors to list and send me... well, lets just say, it wasn't working......I had to figure out a better way...Something had to be done.
So after thinking this all out, and yeah...due to my total ignorance, i figured that we could make a form with Live Cycle Designer (Now Forms Central)...(back then something that was bundled with Adobe Acrobat Pro), I believe, and thats what this thing was authored in... and it would be all good...LOL!
Well not so simple...as you well know, Adobe Acrobat would NOT LET YOU EMAIL anything from itself.....it just wouldn't work (and I know why, and all that hooey), but not being one to take NO for answer,.I started looking for a way to make my little gizmo work.. So I found this company that said they can "hijack" (re-direct actually) the request to email, bypass the wah-wah, and re-transmit it to the proper parties.....for less than $100 a year, I think...its called http://pdf-fillableforms.com/.
A nice gentleman named Joseph Silva helped us program the thing to go to his servers and back out. Please dont hassle them...I need them...for now..it basically does work...try it...you should get back a copy of the form that you filled out...good luck however, if you're on MAC OSX or similar...
I have included a copy of both of our forms (and feel free to fill it out and play with it)...just put test somewhere on it...(and you must include YOUR email or it will balk)..they are supposed to be mostly identical, except one seems to be twice as large....generating a 1.7 meg file upon submission, while the other one only generates a 600K file or so...thats another issue for another day or maybe you can advise on that also...
OK so far so good......In our shop, once Grandma buys a 10 pack (or whatever), Only then she gets to the link on her receipt page ro the relevant "selection form" ,(this prevents "Filling and Sending" with "no order" and "no payment", another early problem we had)... which they can click on and it will usually download and open up on their device if all goes well...Then our little form is supposed to be fillable and is supposed to ADD UP all the quantities, so grandma knows how many she is buying and so forth right on the fly, and even while she changes her mind..., and IT'S LARGE so grandma can see it, and then it TOTALS it all up for them, ( cause remember, they can NOT add).., except there is a programming bug (mouse-click should be a mouse-up probably or something..) which makes you click in the blank spaces to get to a correct TOTAL...about 70-80% of our customers can enable all these features and usually the process completes without problems for them especially on PC's running Windows OS and Acrobat Reader X or XI...at least for most... Unfortunately it is still not the "seamless process" I would like or had envisioned for the other folks out there that do have trouble using our form.... Many folks report to us the following issues that we know of. First of all it takes too much time to load up...We know its HUGE...is there anyway that you can see, to streamline this thing? I would love for it to be more compact...this really helps on the phones and pads as I'm sure you well know.
Some just tell us,"it WON'T work"....I believe this is because they are totally out of it and dont even have Adobe Reader on their machine, & don't know how to get it ( yes, we provide the links).....or it's some ancient version....no one can stop this one...
It almost always generates some kind ( at least one time) of "error message" which we do warn them about..., telling one, basically that "Acrobat doesnt even like this happening at all, and it could be detrimental to ones computer files", blah-blah...(this freaks grandma out really bad)...& usually they end up not even trying to send it... and then I get calls that even you wouldn't believe...& If they DO nut up and push the Red "Submit Form" button, it will usually send the thing to us (and also back to them at the "required email address" they furnished on the form, thats what the folks at the "fillable forms place" do) so, if it's performing it's functions, why it is having to complain?. What are we doing wrong?....and how can I fix it?...Will re-compiling it or saving it as a newer version of "FormsCentral" correct any of these problems ?
Ok, so that should keep you busy for a minute and we can start out with those problems...but the next thing is, how can I take advantage of YOUR re-direct & hosting services?, And will it get rid of the error messages, and the slowness, and the iOS incompatibilities ? (amazingly, the last iOS Reader version worked almost OK.. but the newest version doesnt seem to work with my form on my iphone4) If it will enable any version of the iOS to send my form correctly and more transparently, then it might be worth the money...$14.95 a MONTH you say. hmmmmm...Better be good.
Another problem is, that I really don't need 5000 forms a month submitted. I think its like 70-100 or less....Got any plans for that? Maybe I'm just not BIG ENOUGH to use Adobe's services, however in this case, I really don't care whose I do use as long as the product works most correctly for my customers as well as us. Like I said, If I'm doing the best I can, I won't change anything, and still use the other third party, If Adobe has a better solution, then i'm all for that as well. In the meantime, Thanks for any help you can provide on this...
Michael Corman
VinylCouture.com
(706) 326-7911 -
first of all, who has heard of the game called zuul? It is a very boring text based game I am currently having the pleasure of improving.
Basically, you are in a room, that is connected to a bunch of other rooms and depending on the room you are in, you have different exists and different items in the room.
The goal is to navigate through the collection of Rooms and there is no real win condition, It is more for learning then for actually playing.
You navigate by a series of commands such as: go (direction)( as in "direction of exit", NSEW), quit, a few other odd bits.
ex: go south, quit, go west etc
The game has several classes: Game, Command, CommandWords, Item, Parser, Room.
Obviously Game is the main central head conch, (it is not the super class.)
Game makes use of Item, Room, Parser, and Command.
Item is the class that deals with the number of items in the Room.
Room is the class that deals with the rooms the player will navigate to and from.
Command reads in the commands such as "go-(direction)" or "quit".
Parser makes everybody understand each other by using both Command and CommandWords.
CommandWords is a list of commands such as "go", "quit" etc.
The problem I am having right now is to allow a player to move through the rooms while holding a certain item. The item has to come from the rooms and the player should be able to drop it.
So I have to add two new commands: take and drop. The problem is that I have been asked to do this without creating a new class. Otherwise I would have just created class Player and be done with it. So I am trying to figure out whose responsibility should it be to take care of the take and drop command. I have done some preliminary work in class Game, it is the take(Command command) and drop() methods.
I have also a few questions concerning other aspects of the project, I have listed their locations here:
1. The take() method in class Game, the for-each loop, a complier error with ArrayList
2. class Parser, a general question about the string tokenzier
If you want to see how the game is suppose to run, just comment out the bodies of take() and drop(). Not the declaration. Everything else works.
I shall now provide the code to all classes. I wish there were an option to upload a zip file, then you don't have to read through all the codes and copy&paste all the codes. The complier I am using is BlueJ. And the SDK version is 1.6. With the exception of class Game, everything else can be assumed to be error free.
Thank you for your time,
Davy
class Game
import java.util.*;
* This class is the main class of the "World of Zuul" application.
* "World of Zuul" is a very simple, text based adventure game. Users
* can walk around some scenery. That's all. It should really be extended
* to make it more interesting!
* To play this game, create an instance of this class and call the "play"
* method.
* This main class creates and initialises all the others: it creates all
* rooms, creates the parser and starts the game. It also evaluates and
* executes the commands that the parser returns.
* @author Michael Kolling and David J. Barnes
* @version 2006.03.30
public class Game
private Parser parser;
private Room currentRoom;
private Room previousRoom;
private Stack<Room> previousRooms;
* Create the game and initialise its internal map.
public Game()
createRooms();
parser = new Parser();
* Create all the rooms and link their exits together.
private void createRooms()
Room outside, theatre, pub, lab, office;
// create the rooms
outside = new Room("outside the main entrance of the university");
theatre = new Room("in a lecture theatre");
pub = new Room("in the campus pub");
lab = new Room("in a computing lab");
office = new Room("in the computing admin office");
// create some items
Item desk, chair, beer, podium, tree;
desk = new Item("desk", "student desk",10);
chair = new Item("chair", "student chair",5);
beer = new Item("beer", "glass of beer", 0.5);
podium = new Item("podium", "lecture podium", 100);
tree = new Item("tree", "a tree", 500.5);
// put items in some of the rooms
outside.addItem(tree);
theatre.addItem(desk);
theatre.addItem(chair);
theatre.addItem(podium);
pub.addItem(beer);
pub.addItem(beer);
office.addItem(desk);
lab.addItem(chair);
lab.addItem(beer);
// initialise room exits
outside.setExit("east", theatre);
outside.setExit("south", lab);
outside.setExit("west", pub);
theatre.setExit("west", outside);
pub.setExit("east", outside);
lab.setExit("north", outside);
lab.setExit("east", office);
office.setExit("west", lab);
currentRoom = outside; // start game outside
previousRooms = new Stack<Room>(); // no rooms on the stack
previousRoom = null;
* Main play routine. Loops until end of play.
public void play()
printWelcome();
// Enter the main command loop. Here we repeatedly read commands and
// execute them until the game is over.
boolean finished = false;
while (! finished) {
Command command = parser.getCommand();
finished = processCommand(command);
System.out.println("Thank you for playing. Good bye.");
* Print out the opening message for the player.
private void printWelcome()
System.out.println();
System.out.println("Welcome to the World of Zuul!");
System.out.println("World of Zuul is a new, incredibly boring adventure game.");
System.out.println("Type 'help' if you need help.");
System.out.println();
System.out.println(currentRoom.getLongDescription());
* Given a command, process (that is: execute) the command.
* @param command The command to be processed.
* @return true If the command ends the game, false otherwise.
private boolean processCommand(Command command)
boolean wantToQuit = false;
if(command.isUnknown()) {
System.out.println("I don't know what you mean...");
return false;
String commandWord = command.getCommandWord();
if (commandWord.equals("help")) {
printHelp();
else if (commandWord.equals("go")) {
goRoom(command);
else if (commandWord.equals("look")) {
look(command);
else if (commandWord.equals("eat")) {
eat(command);
else if (commandWord.equals("back")) {
back(command);
else if (commandWord.equals("stackBack")) {
stackBack(command);
else if (commandWord.equals("take")){
take(command);
else if (commandWord.equals("drop")) {
drop(command);
else if (commandWord.equals("quit")) {
wantToQuit = quit(command);
// else command not recognised.
return wantToQuit;
// implementations of user commands:
* Print out some help information.
* Here we print some stupid, cryptic message and a list of the
* command words.
private void printHelp()
System.out.println("You are lost. You are alone. You wander");
System.out.println("around at the university.");
System.out.println();
System.out.println("Your command words are:");
System.out.println(parser.getCommands());
* Try to go to one direction. If there is an exit, enter the new
* room, otherwise print an error message.
* @param command The command entered.
private void goRoom(Command command)
if(!command.hasSecondWord()) {
// if there is no second word, we don't know where to go...
System.out.println("Go where?");
return;
String direction = command.getSecondWord();
// Try to leave current room.
Room nextRoom = currentRoom.getExit(direction);
if (nextRoom == null) {
System.out.println("There is no door!");
else {
previousRooms.push(currentRoom);
previousRoom = currentRoom;
currentRoom = nextRoom;
System.out.println(currentRoom.getLongDescription());
* "Look" was entered.
* @param command The command entered.
private void look(Command command)
if(command.hasSecondWord()) {
System.out.println("Look what?");
return;
System.out.println(currentRoom.getLongDescription());
* "Eat" was entered.
* @param command The command entered.
private void eat(Command command)
if(command.hasSecondWord()) {
System.out.println("Eat what?");
return;
System.out.println("You have eaten and are no longer hungry!");
* "Back" was entered.
* @param command The command entered.
private void back(Command command)
if(command.hasSecondWord()) {
System.out.println("Back what?");
return;
if (previousRoom==null) {
System.out.println("Can't go back.");
return;
// push current room on stack (for stackBack)
previousRooms.push(currentRoom);
// swap current and previous rooms (for back)
Room temp = currentRoom;
currentRoom = previousRoom;
previousRoom = temp;
// You could replace the previous three lines with the following
// which use the stack to get the previous room
// but note that this makes "back" dependent on "stackBack".
// (If you do it this way you no longer need "temp".
// currentRoom = previousRoom;
// previousRoom = previousRooms.peek();
System.out.println("You have gone back:");
System.out.println(currentRoom.getLongDescription());
* "StackBack" was entered.
* @param command The command entered.
private void stackBack(Command command)
if(command.hasSecondWord()) {
System.out.println("StackBack what?");
return;
if (previousRooms.isEmpty()) {
System.out.println("Can't go StackBack.");
return;
// set previous room (for "back")
previousRoom = currentRoom;
// set new current room (using stack)
currentRoom = previousRooms.pop();
System.out.println("You have gone StackBack:");
System.out.println(currentRoom.getLongDescription());
* allows a player to take something from the room
* @param command
private void take(Command command){
String a;
a=command.getSecondWord();
for (Item i:currentRoom.items()) { //a for each loop, since the room's items are kept in a list, but this gives a //compiler error, it doesn't work because items is an ArrayList, but I need a way to pick up the item. I thought that if //given the item's name, I could run a check through the room's ArrayList of items via a for-each loop
if (a==i.getName()) {
removeItem (i);
return;
* allows a player to drop an item in the room
* @param command
private void drop(Command command) {
if(command.hasSecondWord()) {
System.out.println("drop what?");
return;
//add item method is suppose to be used here
* "Quit" was entered. Check the rest of the command to see
* whether we really quit the game.
* @param command The command entered.
* @return true, if this command quits the game, false otherwise.
private boolean quit(Command command)
if(command.hasSecondWord()) {
System.out.println("Quit what?");
return false;
else {
return true; // signal that we want to quit
}class Room
import java.util.*;
* Class Room - a room in an adventure game.
* This class is part of the "World of Zuul" application.
* "World of Zuul" is a very simple, text based adventure game.
* A "Room" represents one location in the scenery of the game. It is
* connected to other rooms via exits. For each existing exit, the room
* stores a reference to the neighboring room.
* @author Michael Kolling and David J. Barnes
* @version 2006.03.30
* @author L.S. Marshall
* @version 1.03 October 25, 2007
public class Room
private String description;
private HashMap<String, Room> exits; // stores exits of this room.
// The items in the room
private ArrayList<Item> items;
* Create a room described "description". Initially, it has
* no exits. "description" is something like "a kitchen" or
* "an open court yard".
* @param description The room's description.
public Room(String description)
this.description = description;
exits = new HashMap<String, Room>();
items = new ArrayList<Item>();
* Define an exit from this room.
* @param direction The direction of the exit.
* @param neighbor The room to which the exit leads.
public void setExit(String direction, Room neighbor)
exits.put(direction, neighbor);
* Gives a short description of the room.
* @return The short description of the room
* (the one that was defined in the constructor).
public String getShortDescription()
return description;
* Return a description of the items in the room
* (Note that this could be combined with getLongDescription, but
* this way shows better cohesion, and could avoid code duplication
* for future enhancements.)
* @return A description of the items in this room
public String getItemsDescription()
String s = new String();
if (items.size()==0)
s += "There are no items in this room.\n";
else {
s += "The item(s) in the room are:\n";
for (Item item : items ) {
s += item.getInfo() + "\n";
return s;
* Return a description of the room in the form:
* You are in the kitchen.
* Exits: north west
* and information on the items in the room
* @return A long description of this room
public String getLongDescription()
String s = "You are " + description + ".\n" + getExitString() + "\n";
s += getItemsDescription();
return s;
* Return a string describing the room's exits, for example
* "Exits: north west".
* @return Details of the room's exits.
private String getExitString()
String returnString = "Exits:";
Set<String> keys = exits.keySet();
for(String exit : keys) {
returnString += " " + exit;
return returnString;
* Return the room that is reached if we go from this room in direction
* "direction". If there is no room in that direction, return null.
* @param direction The exit's direction.
* @return The room in the given direction.
public Room getExit(String direction)
return exits.get(direction);
* Adds the given item to the room.
* @param item The item to be added
public void addItem(Item item)
items.add(item);
* Removes an item if the person picks it up
* @param item the item to be removed
public void removeItem (Item item)
items.remove(item);
}class Item
* This represents an item in a room in zuul.
* @author L.S. Marshall
* @version 1.00 October 9, 2007
public class Item
// The description of the item
private String description;
// The weight of the item
private double weight;
private String name;
* Constructor for objects of class Item
* @param desc description of the item
* @param weight the weight of the item
public Item(String name, String desc, double weight)
description = desc;
this.weight = weight;
this.name=name;
* Returns a string representing this item
* @return string representing this item
public String getInfo()
return ("Item: " + description + ", weighs " + weight + ".");
* returns the name of the string
* @ return the name in a string
public String getName()
return ( name );
}class Command
* This class is part of the "World of Zuul" application.
* "World of Zuul" is a very simple, text based adventure game.
* This class holds information about a command that was issued by the user.
* A command currently consists of two strings: a command word and a second
* word (for example, if the command was "take map", then the two strings
* obviously are "take" and "map").
* The way this is used is: Commands are already checked for being valid
* command words. If the user entered an invalid command (a word that is not
* known) then the command word is <null>.
* If the command had only one word, then the second word is <null>.
* @author Michael Kolling and David J. Barnes
* @version 2006.03.30
public class Command
private String commandWord;
private String secondWord;
* Create a command object. First and second word must be supplied, but
* either one (or both) can be null.
* @param firstWord The first word of the command. Null if the command
* was not recognised.
* @param secondWord The second word of the command.
public Command(String firstWord, String secondWord)
commandWord = firstWord;
this.secondWord = secondWord;
* Return the command word (the first word) of this command. If the
* command was not understood, the result is null.
* @return The command word.
public String getCommandWord()
return commandWord;
* @return The second word of this command. Returns null if there was no
* second word.
public String getSecondWord()
return secondWord;
* @return true if this command was not understood.
public boolean isUnknown()
return (commandWord == null);
* @return true if the command has a second word.
public boolean hasSecondWord()
return (secondWord != null);
}class Parser
import java.util.Scanner;
import java.util.StringTokenizer;
//I read the documentation for String Tokenizer, and I have a few questions relating to a pet project of mine. The //project is to build a boolean algebra simplifer. I would give it a boolean expression and it will simplify it for me.
//Which is very similar to what this class does. The documentation mentioned a delimiter for separating the tokens.
//yet I see none here, is the delimiter at default, the space between the words? and if I were to set manually //delimiters, how do I do that?
//Once I read in the string, should it be Parser's job to execute the boolean simplification part? According the RDD,
//it shouldn't, but doing so would keep everything in fewer classes and therefore easier to manage, wouldn't it?
* This class is part of the "World of Zuul" application.
* "World of Zuul" is a very simple, text based adventure game.
* This parser reads user input and tries to interpret it as an "Adventure"
* command. Every time it is called it reads a line from the terminal and
* tries to interpret the line as a two word command. It returns the command
* as an object of class Command.
* The parser has a set of known command words. It checks user input against
* the known commands, and if the input is not one of the known commands, it
* returns a command object that is marked as an unknown command.
* @author Michael Kolling and David J. Barnes
* @version 2006.03.30
* @author L.S. Marshall
* @version 1.01 October 9, 2007
public class Parser
private CommandWords commands; // holds all valid command words
private Scanner reader; // source of command input
* Create a parser to read from the terminal window.
public Parser()
commands = new CommandWords();
reader = new Scanner(System.in);
* Command returns the command typed by the user.
* @return The next command from the user.
public Command getCommand()
String inputLine; // will hold the full input line
String word1 = null;
String word2 = null;
System.out.print("> "); // print prompt
inputLine = reader.nextLine();
// Find up to two words on the line.
Scanner tokenizer = new Scanner(inputLine);
if(tokenizer.hasNext()) {
word1 = tokenizer.next(); // get first word
if(tokenizer.hasNext()) {
word2 = tokenizer.next(); // get second word
// note: we just ignore the rest of the input line.
// Now check whether this word is known. If so, create a command
// with it. If not, create a "null" command (for unknown command).
if(commands.isCommand(word1)) {
return new Command(word1, word2);
else {
return new Command(null, word2);
* Returns a list of valid command words.
* @string list of valid command words
public String getCommands()
return commands.getCommandList();
}class CommandWords
* This class is part of the "World of Zuul" application.
* "World of Zuul" is a very simple, text based adventure game.
* This class holds an enumeration of all command words known to the game.
* It is used to recognise commands as they are typed in.
* @author Michael Kolling and David J. Barnes
* @version 2006.03.30
* @author L.S. Marshall
* @version 1.01 October 9, 2007
public class CommandWords
// a constant array that holds all valid command words
private static final String[] validCommands = {
"go", "quit", "help", "look", "eat", "back", "stackBack",
"take", "drop",
* Constructor - initialise the command words.
public CommandWords()
// nothing to do at the moment...
* Check whether a given String is a valid command word.
* @param aString the command word
* @return true if it is, false if it isn't.
public boolean isCommand(String aString)
for(int i = 0; i < validCommands.length; i++) {
if(validCommands.equals(aString))
return true;
// if we get here, the string was not found in the commands
return false;
* Return a string containing all valid commands.
* @return string of all valid commands
public String getCommandList()
String s="";
for(String command: validCommands) {
s += command + " ";
return s;
right, sorry, that was thoughtless of me.
class Parser
import java.util.Scanner;
import java.util.StringTokenizer;
//I read the documentation for String Tokenizer, and I have a few questions relating to a pet project of mine. The //project is to build a boolean algebra simplifer. I would give it a boolean expression and it will simplify it for me.
//Which is very similar to what this class does. The documentation mentioned a delimiter for separating the tokens.
//yet I see none here, is the delimiter at default, the space between the words? and if I were to set manually //delimiters, how do I do that?
//Once I read in the string, should it be Parser's job to execute the boolean simplification part? According the RDD,
//it shouldn't, but doing so would keep everything in fewer classes and therefore easier to manage, wouldn't it?
* This class is part of the "World of Zuul" application.
* "World of Zuul" is a very simple, text based adventure game.
* This parser reads user input and tries to interpret it as an "Adventure"
* command. Every time it is called it reads a line from the terminal and
* tries to interpret the line as a two word command. It returns the command
* as an object of class Command.
* The parser has a set of known command words. It checks user input against
* the known commands, and if the input is not one of the known commands, it
* returns a command object that is marked as an unknown command.
* @author Michael Kolling and David J. Barnes
* @version 2006.03.30
* @author L.S. Marshall
* @version 1.01 October 9, 2007
public class Parser
private CommandWords commands; // holds all valid command words
private Scanner reader; // source of command input
* Create a parser to read from the terminal window.
public Parser()
commands = new CommandWords();
reader = new Scanner(System.in);
* Command returns the command typed by the user.
* @return The next command from the user.
public Command getCommand()
String inputLine; // will hold the full input line
String word1 = null;
String word2 = null;
System.out.print("> "); // print prompt
inputLine = reader.nextLine();
// Find up to two words on the line.
Scanner tokenizer = new Scanner(inputLine);
if(tokenizer.hasNext()) {
word1 = tokenizer.next(); // get first word
if(tokenizer.hasNext()) {
word2 = tokenizer.next(); // get second word
// note: we just ignore the rest of the input line.
// Now check whether this word is known. If so, create a command
// with it. If not, create a "null" command (for unknown command).
if(commands.isCommand(word1)) {
return new Command(word1, word2);
else {
return new Command(null, word2);
* Returns a list of valid command words.
* @string list of valid command words
public String getCommands()
return commands.getCommandList();
} -
I need help putting Classical Music CDs into iTunes
I need help - this question has lots of subquestions, sorry.
I have found just a few discussions that deal with this but I am still confused. Forgive me if I get wordy and misuse technical terms - I am trying to learn this thing...
I'm an iPod newbie and haven't a clue on the best way to organize my many, many classical CDs that I'd like to put onto my iPod Classic 160G. I'd also like to do this with as little fussing around as possible since there are lots of CDs I've got to deal with.
If each CD is a separate entry [album?] in the playlist and titled with composer name first [ex Bach, Brandenburg Concertos, Titov conductor] I'll have several playlist entries with the same titles, but different contents. No problem really.
But, should I separate it further, by having each concerto [say] be a separate entry in the playlist - without having to download the CD again. [I've just practiced on a few CDs but I imagine it being a problem if I had to download each CD several times - once for each work] Does it make sense to leave gaps between movements? [I'm not finding a way to remove gaps, though I have seen that suggested somewhere]
And when I come to play the pieces, if I start playing a work in a playlist, will the iPod keep going from one movement to the next as it makes its way through the playlist - or will it stop at each movement and wait for me to tell it what to do next?
Advanced Settings - are these the best? I'll be listening to music on an airplane using noise cancelling headphones and at destination attaching iPod to portable speakers to listen to music in hotel rooms.
General: Keep iTunes Music folder organized - unchecked? [not sure what this means or does or doesn't do]
Copy files to iTunes Music folder when adding to library - checked?
Importing: AAC encoder? High quality -128 kbps?
Thanks for all your help - I know this is a multiple set of questions and perhaps should have been broken up...
Mrs H
Message was edited by: Mrs H to fix typos
Message was edited by: Mrs HThank you so much for your help. You have sorted out a lot of problems for me. I've tried to go through what you wrote, add some more info and I have asked a few more questions below-
I re-ripped at 256. I too have the 160GB classic so it's good to know that it will take 10,000 tracks as lossless - now I have to re-rip again! I actually hadn't anticipated using the iPod with anything other than our high quality noise canceling airplane headphones, our cheap, portable travel speakers for hotel rooms and our Cambridge sound speakers for our cabin. It's that last set of speakers that makes me think I should follow you advice and go with lossless.
QUESTION #1 - When I re-rip and do an automatic sync, will the tracks at 256 automatically be replaced by the bigger lossless ones with the same name or should I delete everything from the iPod and begin anew?
"I create a playlist for each work, using a systematic naming convention..." What I did on my test was create a playlist for each composer breaking it down - ex- Bach:concertos, Bach:sonatas, etc. I have the Album column highlighted and it appears as if the movements stay together in the correct order. I fear that the task might be too large to create a playlist for each work, though that certainly is appealing.
QUESTION #2 If the Album column is highlighted and the movements are in the correct order in iTunes in the playlist, will they stay that way in the iPod?
"I tend to use just surnames for composers for example, or at least "surname, firstname"." I finally found in settings on the iPod the way to change sort by composer to last name, first name. In iTunes, the composer column which is imported from the internet search for info on the CDs gives composer with first name first and I can't find a place in iTunes to reverse this. Typing it or erasing the first name will be a huge chore.
QUESTION #3 Is there a place in iTunes to change the order of the composers' name in the composer column?
"For compilations etc I still create one for the whole CD or box set"
I figured this out on my own before you corroborated my idea - I think I'm getting the hang of this...
"The option iTunes has to "organise your music" is a good one"
QUESTION #4 - are you referring to the preferences > advanced check box "Keep iTunes Music Folder Organized" ? If not, what are you referring to?
"I have my library in its own dedicated disk. Wherever you put it, its important to then never change it or doing anything else with it: leave it for iTunes."
QUESTION #5 "dedicated disk"? as in hard drive? I have been using SuperDuper to back up my Mac to an external HD; I plan to put a copy of the iTunes folder onto yet another HD where I keep copies of all our photos as well.
"never change it"? I noticed a misspelling "Haendel" from the on-line CD/track info - no problem in fixing that - right? Since you later say you do change info, what is it you are never changing?
QUESTION #6 - "Disk N of M capability" - what? Where do I find this option? And when you say "for multiple CD albums, don't include the cd number in the album name." Where? when you put the CD into a playlist entry? or just in the list of music in the album column - do you change the listing?
ONE FINAL QUESTION - when I turn on the iPod when it's not attached to headphones or speakers, and I'm just looking at the screen to see settings or how the syncing worked, the iPod appears to begin playing something as soon as I turn it on. THIS IS A STUPID QUESTION, but I can't find the answer, how to I get it to stop playing without turning the iPod itself off???
"I hope that helps a little. " A little?? It helps a lot - and I'll award those points as soon as I get it all resolved.
Thanks again,
Mrs H
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