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IfCommand.java
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IfCommand.java
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package net.aufdemrand.denizen.scripts.commands.core;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import net.aufdemrand.denizen.exceptions.CommandExecutionException;
import net.aufdemrand.denizen.exceptions.InvalidArgumentsException;
import net.aufdemrand.denizen.exceptions.ScriptEntryCreationException;
import net.aufdemrand.denizen.scripts.ScriptEntry;
import net.aufdemrand.denizen.scripts.ScriptRegistry;
import net.aufdemrand.denizen.scripts.commands.AbstractCommand;
import net.aufdemrand.denizen.scripts.containers.core.TaskScriptContainer;
import net.aufdemrand.denizen.utilities.arguments.aH;
import net.aufdemrand.denizen.utilities.debugging.dB;
import net.citizensnpcs.api.CitizensAPI;
import org.bukkit.ChatColor;
import org.bukkit.entity.Player;
/**
* Core dScript IF command.
*
* @author Jeremy Schroeder
*/
public class IfCommand extends AbstractCommand {
enum Operator { EQUALS, MATCHES, ORMORE, ORLESS, MORE, LESS, CONTAINS, ISEMPTY }
enum Bridge { OR, AND, FIRST }
enum Logic { REGULAR, NEGATIVE }
private class Comparable {
Logic logic = Logic.REGULAR;
Bridge bridge = Bridge.OR;
Object comparable = null;
Operator operator = Operator.EQUALS;
Object comparedto = (boolean) true;
Boolean outcome = null;
@Override
public String toString() {
return (logic != Logic.REGULAR ? "Logic='" + logic.toString() + "', " : "")
+ "Comparable='" + (comparable == null ? "null'" : comparable.getClass().getSimpleName()
+ "(" + ChatColor.AQUA + comparable + ChatColor.WHITE + ")'")
+ ", Operator='" + operator.toString()
+ "', ComparedTo='" + (comparedto == null ? "null'" : comparedto.getClass().getSimpleName()
+ "(" + ChatColor.AQUA + comparedto + ChatColor.WHITE + ")' ")
+ ChatColor.YELLOW + "--> OUTCOME='" + outcome + "'";
}
}
@Override
public void parseArgs(ScriptEntry scriptEntry) throws InvalidArgumentsException {
// Initialize necessary fields
List<Comparable> comparables = new ArrayList<Comparable>();
String outcomeCommand = null;
ArrayList<String> outcomeArgs = new ArrayList<String>();
String elseCommand = null;
ArrayList<String> elseArgs = new ArrayList<String>();
comparables.add(new Comparable());
int index = 0;
// Iterate through the arguments, build comparables
for (String arg : scriptEntry.getArguments()) {
if (outcomeCommand == null) {
// Set logic (Optional, default is REGULAR)
if (arg.startsWith("!")) {
comparables.get(index).logic = Logic.NEGATIVE;
if ( arg.length() == 1)
continue;
if (arg.equals("!="))
arg = "==";
else
arg = arg.substring(1);
}
// Replace symbol-operators/bridges with ENUM value for matching
arg = arg.replace("==", "EQUALS").replace(">=", "ORMORE").replace("<=", "ORLESS")
.replace("<", "LESS").replace(">", "MORE")
.replace("||", "OR").replace("&&", "AND");
// Set bridge
if (aH.matchesArg("OR", arg) || aH.matchesArg("AND", arg)) {
index++;
// new Comparable to add to the list
comparables.add(new Comparable());
comparables.get(index).bridge = Bridge.valueOf(arg.toUpperCase());
}
// Set operator (Optional, default is EQUALS)
else if (aH.matchesArg("EQUALS", arg) || aH.matchesArg("MATCHES", arg) || aH.matchesArg("ISEMPTY", arg)
|| aH.matchesArg("ORMORE", arg) || aH.matchesArg("MORE", arg) || aH.matchesArg("LESS", arg)
|| aH.matchesArg("ORLESS", arg) || aH.matchesArg("CONTAINS", arg))
comparables.get(index).operator = Operator.valueOf(arg.toUpperCase());
// Set outcomeCommand
else if (denizen.getCommandRegistry().get(arg) != null)
outcomeCommand = arg;
// Set comparable
else if (comparables.get(index).comparable == null) {
// If using MATCHES operator, keep as string.
comparables.get(index).comparable = findObjectType(arg);
}
// Set compared-to
else {
comparables.get(index).comparedto = matchObjectType(comparables.get(index), arg);
}
// Set outcome command.
} else if (elseCommand == null) {
if (aH.matchesArg("ELSE", arg)) elseCommand = "";
else {
outcomeArgs.add(arg);
}
// Set ELSE command
} else {
// Specify ELSE command
if (elseCommand.equals("")) elseCommand = arg;
// Add elseArgs arguments
else {
elseArgs.add(arg);
}
}
}
// Stash objects required to execute() into the ScriptEntry
scriptEntry.addObject("comparables", comparables);
scriptEntry.addObject("outcome-command", outcomeCommand);
scriptEntry.addObject("outcome-command-args", outcomeArgs.toArray());
scriptEntry.addObject("else-command", elseCommand);
scriptEntry.addObject("else-command-args", elseArgs.toArray());
}
@SuppressWarnings({ "unchecked", "incomplete-switch" })
@Override
public void execute(ScriptEntry scriptEntry) throws CommandExecutionException {
// Grab comparables from the ScriptEntry
List<Comparable> comparables = (List<Comparable>) scriptEntry.getObject("comparables");
int counter = 1;
// Evaluate comparables
for (Comparable com : comparables) {
com.outcome = false;
//
// Comparable is a STRING
//
if (com.comparable instanceof String) {
String comparable = (String) com.comparable;
if (!(com.comparedto instanceof String) && com.operator != Operator.ISEMPTY) {
} else {
switch(com.operator) {
case ISEMPTY:
// For checking if a FLAG is empty.
if (comparable.equalsIgnoreCase("EMPTY")) com.outcome = true;
break;
case EQUALS:
// For checking straight up if comparable is equal to (ignoring case) comparedto
if (comparable.equalsIgnoreCase((String) com.comparedto)) com.outcome = true;
break;
case CONTAINS:
// For checking if the comparable contains comparedto
if (comparable.toUpperCase().contains(((String) com.comparedto).toUpperCase())) com.outcome = true;
break;
case MATCHES:
// This is a fun one! Can check if the STRING compareable matches a specific argument type, as specified by comparedto
if (((String) com.comparedto).equalsIgnoreCase("location")) {
if (aH.matchesLocation("location:" + comparable)) com.outcome = true;
}
else if (((String) com.comparedto).equalsIgnoreCase("pose")) {
com.outcome = true; // TODO: if (aH.matchesPose(comparable)) com.outcome = true;
}
else if (((String) com.comparedto).equalsIgnoreCase("double")) {
if (aH.matchesDouble(comparable)) com.outcome = true;
}
else if (((String) com.comparedto).equalsIgnoreCase("integer")) {
if (aH.matchesInteger(comparable)) com.outcome = true;
}
else if (((String) com.comparedto).equalsIgnoreCase("even integer")) {
if (aH.matchesInteger(comparable) && (aH.getIntegerFrom(comparable) % 2) == 0)
com.outcome = true;
}
else if (((String) com.comparedto).equalsIgnoreCase("odd integer")) {
if (aH.matchesInteger(comparable) && (aH.getIntegerFrom(comparable) % 2) == 1)
com.outcome = true;
}
else if (((String) com.comparedto).equalsIgnoreCase("duration")) {
if (aH.matchesDuration("duration:" + comparable)) com.outcome = true;
}
else if (((String) com.comparedto).equalsIgnoreCase("boolean")) {
if (comparable.equalsIgnoreCase("true")
|| comparable.equalsIgnoreCase("false")) com.outcome = true;
}
else if (((String) com.comparedto).equalsIgnoreCase("entitytype")) {
if (aH.matchesEntityType("entity:" + comparable)) com.outcome = true;
}
else if (((String) com.comparedto).equalsIgnoreCase("livingentity")) {
if (aH.getLivingEntityFrom(comparable) != null) com.outcome = true;
}
else if (((String) com.comparedto).equalsIgnoreCase("npc")) {
if (CitizensAPI.getNPCRegistry().getNPC(aH.getLivingEntityFrom(comparable)) != null) com.outcome = true;
}
else if (((String) com.comparedto).equalsIgnoreCase("player")) {
if (aH.getPlayerFrom(comparable) != null) com.outcome = true;
}
else if (((String) com.comparedto).equalsIgnoreCase("offlineplayer")) {
if (aH.getOfflinePlayerFrom(comparable) != null) com.outcome = true;
}
else if (((String) com.comparedto).equalsIgnoreCase("item")) {
if (aH.matchesItem("item:" + comparable)) com.outcome = true;
}
break;
// ORMORE/ORLESS/etc. deal with the LENGTH of the the comparable/comparedto strings
case ORMORE:
if (((String) com.comparable).length() >= ((String) com.comparedto).length()) com.outcome = true;
break;
case ORLESS:
if (((String) com.comparable).length() <= ((String) com.comparedto).length()) com.outcome = true;
break;
case MORE:
if (((String) com.comparable).length() > ((String) com.comparedto).length()) com.outcome = true;
break;
case LESS:
if (((String) com.comparable).length() < ((String) com.comparedto).length()) com.outcome = true;
break;
}
}
} else if (com.comparable instanceof List) {
switch(com.operator) {
case CONTAINS:
for (String string : ((List<String>) com.comparable)) {
if (com.comparedto instanceof Integer) {
if (aH.getIntegerFrom(string) == (Integer) com.comparedto) com.outcome = true;
} else if (com.comparedto instanceof Double) {
if (aH.getDoubleFrom(string) == (Double) com.comparedto) com.outcome = true;
} else if (com.comparedto instanceof Boolean) {
if (Boolean.valueOf(string).booleanValue() == ((Boolean) com.comparedto).booleanValue()) com.outcome = true;
} else if (com.comparedto instanceof String) {
if (string.equalsIgnoreCase((String) com.comparedto)) com.outcome = true;
}
}
break;
case ORMORE:
if (((List<String>) com.comparable).size() >= (Integer.parseInt(String.valueOf(com.comparedto)))) com.outcome = true;
break;
case ORLESS:
if (((List<String>) com.comparable).size() <= (Integer.parseInt(String.valueOf(com.comparedto)))) com.outcome = true;
break;
case MORE:
if (((List<String>) com.comparable).size() > (Integer.parseInt(String.valueOf(com.comparedto)))) com.outcome = true;
break;
case LESS:
if (((List<String>) com.comparable).size() < (Integer.parseInt(String.valueOf(com.comparedto)))) com.outcome = true;
break;
}
//
// COMPARABLE IS DOUBLE
//
} else if (com.comparable instanceof Double) {
// Check to make sure comparedto is Double
if (!(com.comparedto instanceof Double)) {
// Not comparing with a Double, outcome = false
} else {
switch(com.operator) {
case EQUALS:
if (((Double) com.comparable).compareTo((Double) com.comparedto) == 0) com.outcome = true;
break;
case ORMORE:
if (((Double) com.comparable).compareTo((Double) com.comparedto) >= 0) com.outcome = true;
break;
case ORLESS:
if (((Double) com.comparable).compareTo((Double) com.comparedto) <= 0) com.outcome = true;
break;
case MORE:
if (((Double) com.comparable).compareTo((Double) com.comparedto) > 0) com.outcome = true;
break;
case LESS:
if (((Double) com.comparable).compareTo((Double) com.comparedto) < 0) com.outcome = true;
break;
}
}
//
// COMPARABLE IS INTEGER
//
} else if (com.comparable instanceof Integer) {
// Check to make sure comparedto is Integer
if (!(com.comparedto instanceof Integer)) {
// Not comparing with an Integer, outcome = false;
} else {
// Comparing integers.. let's do the logic
switch(com.operator) {
case EQUALS:
if (((Integer) com.comparable).compareTo((Integer) com.comparedto) == 0) com.outcome = true;
break;
case ORMORE:
if (((Integer) com.comparable).compareTo((Integer) com.comparedto) >= 0) com.outcome = true;
break;
case ORLESS:
if (((Integer) com.comparable).compareTo((Integer) com.comparedto) <= 0) com.outcome = true;
break;
case MORE:
if (((Integer) com.comparable).compareTo((Integer) com.comparedto) > 0) com.outcome = true;
break;
case LESS:
if (((Integer) com.comparable).compareTo((Integer) com.comparedto) < 0) com.outcome = true;
break;
}
}
//
// COMPARABLE IS BOOLEAN
//
} else if (com.comparable instanceof Boolean) {
// Check to make sure comparedto is Boolean
if (!(com.comparedto instanceof Boolean)) {
// Not comparing with a Boolean, outcome = false;
} else {
// Comparing booleans.. let's do the logic
if ((Boolean) com.comparable.equals((Boolean) com.comparedto))
com.outcome = true;
else
com.outcome = false;
}
}
if (com.logic == Logic.NEGATIVE) com.outcome = !com.outcome;
// Show outcome of Comparable
dB.echoDebug(ChatColor.YELLOW + "Comparable " + counter + ": " + ChatColor.WHITE + com.toString());
counter++;
}
// Compare outcomes
int ormet = 0;
for (Comparable compareable : comparables) {
if (compareable.bridge == Bridge.OR)
if (compareable.outcome) ormet++;
}
int andcount = 0;
int andmet = 0;
for (Comparable compareable : comparables) {
if (compareable.bridge == Bridge.AND) {
if (compareable.outcome) andmet++;
andcount++;
}
}
// Determine outcome -- do, or else?
if (ormet > 0 && andcount == andmet) doCommand(scriptEntry);
else doElse(scriptEntry);
}
// Finds the object type of the String arg
private Object findObjectType(String arg) {
// If a Integer
if (aH.matchesInteger(arg))
return aH.getIntegerFrom(arg);
// If a Double
else if (aH.matchesDouble(arg))
return aH.getDoubleFrom(arg);
// If a Boolean
else if (arg.equalsIgnoreCase("true")) return true;
else if (arg.equalsIgnoreCase("false")) return false;
// If a List<Object>
else if (arg.contains("|")) {
return aH.getListFrom(arg);
}
// If none of the above, must be a String! :D
// 'arg' is already a String, so return it.
else return arg;
}
// Attempts to match a String arg with a Comparable's comparable
private Object matchObjectType(Comparable match, String arg) {
// If MATCHES, change comparable to String
if (match.operator == Operator.MATCHES)
match.comparable = String.valueOf(match.comparable);
Object comparable = match.comparable;
// Comparable is String, return String
if (comparable instanceof String)
return arg;
// Comparable is Double, return Double
else if (comparable instanceof Double) {
if (aH.matchesDouble(arg) || aH.matchesInteger(arg))
return aH.getDoubleFrom(arg);
else {
dB.echoDebug(ChatColor.YELLOW + "WARNING! " + ChatColor.WHITE + "Cannot compare DOUBLE("
+ match.comparable + ") with '" + arg + "'. Outcome for this Comparable will be false.");
return Double.NaN;
}
}
else if (comparable instanceof Integer) {
// If comparedTo is Double, convert comparable to double as well
if (aH.matchesDouble(arg)) {
match.comparable = Double.valueOf(String.valueOf(match.comparable));
return aH.getDoubleFrom(arg);
} else if (aH.matchesInteger(arg)) {
return aH.getIntegerFrom(arg);
} else {
dB.echoDebug(ChatColor.YELLOW + "WARNING! " + ChatColor.WHITE + "Cannot compare INTEGER("
+ match.comparable + ") with '" + arg + "'. Outcome for this Comparable will be false.");
return Double.NaN;
}
}
else if (comparable instanceof Boolean) {
return aH.getBooleanFrom(arg);
}
else if (comparable instanceof List) {
return arg;
}
return arg;
}
// Runs the outcome-command if the evaluation of the statement == true
private void doCommand(ScriptEntry scriptEntry) {
String outcomeCommand = ((String) scriptEntry.getObject("outcome-command")).toUpperCase();
String[] outcomeArgs = Arrays.copyOf((Object[]) scriptEntry.getObject("outcome-command-args"),
((Object[]) scriptEntry.getObject("outcome-command-args")).length, String[].class);
try { ScriptEntry entry = new ScriptEntry(outcomeCommand, outcomeArgs,
scriptEntry.getScript().getContainer())
.setPlayer(scriptEntry.getPlayer())
.setNPC(scriptEntry.getNPC()).setInstant(true)
.addObject("reqId", scriptEntry.getObject("reqId"));
scriptEntry.getResidingQueue().injectEntry(entry, 0);
} catch (ScriptEntryCreationException e) {
dB.echoError("There has been a problem running the Command. Check syntax.");
if (dB.showStackTraces) {
dB.echoDebug("STACKTRACE follows:");
e.printStackTrace();
}
else dB.echoDebug("Use '/denizen debug -s' for the nitty-gritty.");
}
}
// If ELSE command is specified, runs it if the evaluation of the statement == false
private void doElse(ScriptEntry scriptEntry) {
String elseCommand = null;
if (scriptEntry.getObject("else-command") != null)
elseCommand = ((String) scriptEntry.getObject("else-command")).toUpperCase();
String[] elseArgs = null;
if (scriptEntry.getObject("else-command-args") != null)
elseArgs = Arrays.copyOf((Object[]) scriptEntry.getObject("else-command-args"),
((Object[]) scriptEntry.getObject("else-command-args")).length, String[].class);
if (elseCommand == null) return;
try { ScriptEntry entry = new ScriptEntry(elseCommand, elseArgs,
scriptEntry.getScript().getContainer())
.setPlayer(scriptEntry.getPlayer())
.setNPC(scriptEntry.getNPC()).setInstant(true)
.addObject("reqId", scriptEntry.getObject("reqId"));
scriptEntry.getResidingQueue().injectEntry(entry, 0);
} catch (ScriptEntryCreationException e) {
dB.echoError("There has been a problem running the ELSE Command. Check syntax.");
if (dB.showStackTraces) {
dB.echoDebug("STACKTRACE follows:");
e.printStackTrace();
}
else dB.echoDebug("Use '/denizen debug -s' for the nitty-gritty.");
}
}
}