/**
* NOTE: this used to have an exception, because I'd like to properly report an invalid/
* non-existent channel... unless a failed add means that there is no such channel?
*
* <p>NOTE2: elsewhere the messages claim that a failed add is a restricted channel, while
*
* <p>NOTE3: an unsuccessful add, without a thrown exception, implies a restriction failure.
*
* @param player
* @param channelName
* @param password
* @return
* @throws NoSuchChannelException
*/
public Result add(final Player player, final String channelName, final String password) {
Result result = Result.NIL;
boolean valid = false;
final ChatChannel channel = channels.get(channelName);
if (channel != null) {
if (!channel.isListener(player)) {
// do we pass the restriction?
if (player.getAccess() >= channel.getRestrict()) {
if (channel.isProtected()) {
if (channel.checkPassword(password) || MudUtils.checkAccess(player, Constants.ADMIN)) {
valid = true;
} else result = Result.WRONG_PASS; // message about incorrect password
} else valid = true;
} else result = Result.RESTRICTED; // message about channel restriction
if (valid) {
if (channel.addListener(player)) {
result = Result.JOIN;
}
}
} else result = Result.CURR_LISTEN; // message about already listening to that channel
} else {
// test to see whether a mapping to null exists...
if (channels.containsKey(channelName)) {
channels.remove(channelName); // explicit remove a mapping to a null value
}
result = Result.NO_CHANNEL;
}
return result;
}
public boolean send(final String channelName, final Player player, final String message) {
boolean success = false;
final ChatChannel channel = channels.get(channelName);
if (channel != null) {
if (player.getAccess() >= channel.getRestrict()) {
channel.write(player, message); // add message to ChatChannel message queue
// mud.debug("(" + channelName + ") <" + player.getName() + "> " + message + "\n");
success = true;
}
}
return success;
}
private String evaluate(final String functionName, final String[] params, final Client client) {
System.out.println("Params: " + params.length);
if (params.length > 0) {
if (params.length == 1) {
System.out.println("Parameter (1): " + params[0]);
if (functionName.equals("create_item")) {
final Item item = parent.createItem(params[0]);
if (item != null) {
return "" + item.getDBRef();
} else {
return "-1";
}
} else if (functionName.equals("dbref")) {
return "" + parent.getObject(params[0]).getDBRef();
} else if (functionName.equals("rainbow")) {
System.out.println(params[0]);
return parent.rainbow(params[0]) + parent.colorCode("white");
} else {
return "PGM: No such function!";
}
// else { return "Incomplete function statement, no parameters!"; }
// else { return "PGM: Error!"; }
} else if (params.length == 2) {
System.out.println("Parameter (1): " + params[0]);
System.out.println("Parameter (2): " + params[1]);
if (functionName.equals("colors")) {
if (params.length >= 2) {
parent.debug("Color: " + params[0]);
parent.debug("Text: " + params[1]);
return parent.colorCode(params[0]) + params[1] + parent.colorCode("white");
} else {
return "PGM: Error!";
}
} else if (functionName.equals("add")) { // {add:5,5} -> 10
if (params[0].startsWith("{") && params[0].endsWith(")")) {
params[0] = interpret(params[0], client);
}
if (params[1].startsWith("{") && params[1].endsWith(")")) {
params[1] = interpret(params[1], client);
}
Integer first = null;
Integer second = null;
try {
first = Integer.parseInt(params[0]);
second = Integer.parseInt(params[1]);
} catch (NumberFormatException nfe) {
System.out.println("-- Stack Trace --");
nfe.printStackTrace();
return "";
}
return "" + (first + second);
} else if (functionName.equals("sub")) { // {sub:5,3} -> 2
if (params[0].startsWith("{") && params[0].endsWith(")")) {
params[0] = interpret(params[0], client);
}
if (params[1].startsWith("{") && params[1].endsWith(")")) {
params[1] = interpret(params[1], client);
}
Integer first = null;
Integer second = null;
try {
first = Integer.parseInt(params[0]);
second = Integer.parseInt(params[1]);
} catch (NumberFormatException nfe) {
System.out.println("-- Stack Trace --");
nfe.printStackTrace();
return "";
}
return "" + (first - second);
} else if (functionName.equals(
"eq")) { // {eq:<string 1>,<string 2>} -> {eq:test,test} -> :true
if (params[0].startsWith("{") && params[0].endsWith(")")) {
params[0] = interpret(params[0], client);
}
if (params[1].startsWith("{") && params[1].endsWith(")")) {
params[1] = interpret(params[1], client);
}
if (params[0].equals(params[1])) {
return ":true";
} else {
Integer first = null;
Integer second = null;
try {
first = Integer.parseInt(params[0]);
second = Integer.parseInt(params[1]);
} catch (NumberFormatException nfe) {
System.out.println("-- Stack Trace --");
nfe.printStackTrace();
return ":false";
}
// System.out.println("first: " + first);
// System.out.println("Second: " + second);
if (first == second) {
return ":true";
} else {
return ":false";
}
}
}
// else { return "Incomplete function statement, no parameters!"; }
else if (functionName.equals("give")) {
final Player p = parent.getPlayer(Utils.toInt(params[0], -1));
final Item i = parent.getItem(Utils.toInt(params[1], -1));
if (p != null && i != null) {
i.setLocation(p.getDBRef());
p.getInventory().add(i);
}
return "";
} else if (functionName.equals(
"prop")) { // {prop:<property name>,<dbref of object to get property from>}
final String property = params[0];
final int dbref = Utils.toInt(params[1], -1);
final MUDObject object = parent.getObject(dbref);
if (object != null) {
System.out.println("Object: " + object.getName());
return "" + object.getProperty(property);
} else return "";
// else { return "Incomplete function statement, no parameters!"; }
} else if (functionName.equals("tell")) {
final String message = params[0];
final Player p = parent.getPlayer(Utils.toInt(params[1], -1));
if (message != null && p != null) {
// parent.addMessage( new Message(message, p) );
return message;
}
return "";
} else {
return "PGM: No such function!";
}
} else if (params.length == 3) {
if (functionName.equals("if")) {
final String result = interpret(params[0], client);
System.out.println("result: " + result);
if (result.equals(":true")) {
return interpret(params[1], client);
} else if (result.equals(":false")) {
return interpret(params[2], client);
}
}
return "";
} else {
if (functionName.equals("distance")) {
/*
* parameters:
* 2d/3d
* one or two points
*/
System.out.println("PGM -distance-");
List<Point> ptList = Utils.toPoints(Utils.join(params, ","));
if (ptList != null) {
return String.format("%.1f", Utils.distance(ptList.get(0), ptList.get(1)));
// return ptList + "; distance is " + String.format("%.1f",
// Utils.distance(ptList.get(0), ptList.get(1)));
} else {
return "PGM: Error!";
}
// else { return "Incomplete function statement, no parameters!"; }
} else if (functionName.equals("exec")) {
if (params != null) {
if (params.length == 1) {
} else if (params.length == 2) {
} else {
}
} else {
}
;
return "";
} else if (functionName.equals("with")) {
List<String> params1 = new ArrayList<String>(params.length);
boolean function_found = false;
boolean var_defined = false;
String last_var = "";
int index = 0;
// resolve all sub functions
for (String param : params) {
if (!isFunction(param) && !function_found) {
function_found = true;
if (!use_vars) {
use_vars = true;
vars = new Hashtable<String, String>();
vars.put(param, "");
last_var = param;
}
} else {
if (!var_defined) vars.put(last_var, interpret(param, client));
else params1.set(index, interpret(param, client));
}
index++;
}
// do things
// vars to null
vars = null;
// use_vars to false
use_vars = false;
return Utils.join(params1, " ");
} else if (functionName.equals("do")) {
for (String param : params) {
interpret(param, client);
}
return "";
} else {
return "PGM: No such function!";
}
// else { return "PGM: Error!"; }
}
} else {
switch (functionName) {
case "{&arg}":
return "";
case "{&cmd}":
return "";
case "{&how}":
return "";
case "{&player}":
return "" + parent.getPlayer(client).getDBRef();
case "{name}":
return parent.getServerName();
case "{version}":
// return "-Result: " + MUDServer.getName() + " " + MUDServer.getVersion();
return MUDServer.getVersion();
case "{colors}":
return "Incomplete function statement, no inputs!";
default:
if (use_vars) {
String temp = functionName.replace("{", "").replace("}", "");
String temp1 = vars.get(temp);
if (temp1 != null) return temp1;
else return "";
} else return functionName;
}
/*if( !script.contains("{") && !script.contains("}") ) { // not a script...
return script;
}
else { // malformed script?
return "PGM: No such function! (1)";
}*/
}
}
