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add tab completion

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This commit is contained in:
dfsek
2021-03-08 02:27:35 -07:00
parent b1256427a2
commit 22d6fdf293
9 changed files with 77 additions and 10 deletions
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3
common/src/main/java/com/dfsek/terra/api/command/CommandManager.java
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@@ -1,6 +1,7 @@
package com.dfsek.terra.api.command;
import com.dfsek.terra.api.command.exception.CommandException;
import com.dfsek.terra.api.command.exception.MalformedCommandException;
import com.dfsek.terra.api.platform.CommandSender;
import java.util.List;
@@ -9,4 +10,6 @@ public interface CommandManager {
void execute(String command, CommandSender sender, List<String> args) throws CommandException;
void register(String name, Class<? extends CommandTemplate> clazz);
List<String> tabComplete(String command, CommandSender sender, List<String> args) throws MalformedCommandException, CommandException;
}

11
common/src/main/java/com/dfsek/terra/api/command/ExecutionState.java
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@@ -27,19 +27,18 @@ public final class ExecutionState {
@SuppressWarnings("unchecked")
public <T> T getArgument(String argument, Class<T> clazz) {
String value = args.get(argument);
Object value = args.get(argument);
if(value == null) throw new IllegalArgumentException("Argument \"" + argument + "\" does not exist!");
if(clazz == int.class || clazz == Integer.class) {
return (T) new Integer(Integer.parseInt(value));
}
if(clazz == double.class || clazz == Double.class) {
return (T) new Double(Double.parseDouble(value));
value = Integer.parseInt(value.toString());
} else if(clazz == double.class || clazz == Double.class) {
value = Double.parseDouble(value.toString());
}
// TODO: type loaders
return (T) value;
return clazz.cast(value);
}
public boolean hasSwitch(String flag) {

25
common/src/main/java/com/dfsek/terra/api/command/TerraCommandManager.java
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@@ -21,6 +21,7 @@ import com.dfsek.terra.world.TerraWorld;
import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
@@ -138,6 +139,26 @@ public class TerraCommandManager implements CommandManager {
commands.put(name, new CommandHolder(clazz));
}
@Override
public List<String> tabComplete(String command, CommandSender sender, List<String> args) throws CommandException {
if(args.isEmpty()) return new ArrayList<>(commands.keySet());
List<String> completions = new ArrayList<>();
if(args.size() == 1) {
completions.addAll(commands.get(command).subcommands.keySet());
}
if(args.size() <= commands.get(command).arguments.size()) {
try {
completions.addAll(commands.get(command).arguments.get(args.size()).tabCompleter().getConstructor().newInstance().complete(sender));
} catch(InstantiationException | IllegalAccessException | InvocationTargetException | NoSuchMethodException e) {
throw new MalformedCommandException("Unable to reflectively instantiate tab-completer: ", e);
}
}
return completions;
}
/**
* Pre-processes command metadata.
*/
@@ -145,6 +166,7 @@ public class TerraCommandManager implements CommandManager {
private final Class<? extends CommandTemplate> clazz;
private final Map<String, CommandHolder> subcommands = new HashMap<>();
private final Map<String, String> switches = new HashMap<>();
private final List<Argument> arguments;
private CommandHolder(Class<? extends CommandTemplate> clazz) {
this.clazz = clazz;
@@ -163,7 +185,8 @@ public class TerraCommandManager implements CommandManager {
switches.put(alias, aSwitch.value());
}
}
}
arguments = Arrays.asList(command.arguments());
} else arguments = Collections.emptyList();
}
}
}

5
common/src/main/java/com/dfsek/terra/api/command/annotation/Argument.java
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@@ -1,5 +1,8 @@
package com.dfsek.terra.api.command.annotation;
import com.dfsek.terra.api.command.tab.NothingCompleter;
import com.dfsek.terra.api.command.tab.TabCompleter;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
@@ -13,4 +16,6 @@ public @interface Argument {
boolean required() default true;
Class<?> type() default String.class;
Class<? extends TabCompleter> tabCompleter() default NothingCompleter.class;
}

13
common/src/main/java/com/dfsek/terra/api/command/tab/NothingCompleter.java Normal file
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@@ -0,0 +1,13 @@
package com.dfsek.terra.api.command.tab;
import com.dfsek.terra.api.platform.CommandSender;
import java.util.Collections;
import java.util.List;
public class NothingCompleter implements TabCompleter {
@Override
public List<String> complete(CommandSender sender) {
return Collections.emptyList();
}
}

9
common/src/main/java/com/dfsek/terra/api/command/tab/TabCompleter.java Normal file
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@@ -0,0 +1,9 @@
package com.dfsek.terra.api.command.tab;
import com.dfsek.terra.api.platform.CommandSender;
import java.util.List;
public interface TabCompleter {
List<String> complete(CommandSender sender);
}

2
common/src/main/java/com/dfsek/terra/commands/profiler/ProfileStopCommand.java
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@@ -24,6 +24,6 @@ public class ProfileStopCommand implements CommandTemplate {
Player player = (Player) state.getSender();
TerraWorld world = main.getWorld(player.getWorld());
world.getProfiler().setProfiling(false);
state.getSender().sendMessage("Profiling enabled.");
state.getSender().sendMessage("Profiling disabled.");
}
}