command utils

7 files changed, 103 insertions, 0 deletions

diff --git a/src/main/java/cc/polyfrost/oneconfig/utils/commands/arguments/ArgumentParser.java b/src/main/java/cc/polyfrost/oneconfig/utils/commands/arguments/ArgumentParser.java
new file mode 100644
index 0000000..d9d51b0
--- /dev/null
+++ b/src/main/java/cc/polyfrost/oneconfig/utils/commands/arguments/ArgumentParser.java
@@ -0,0 +1,12 @@
+package cc.polyfrost.oneconfig.utils.commands.arguments;
+
+import com.google.common.reflect.TypeToken;
+import org.jetbrains.annotations.Nullable;
+
+@SuppressWarnings("unstable")
+public abstract class ArgumentParser<T> {
+    private final TypeToken<T> type = new TypeToken<T>(getClass()) {};
+    public final Class<?> typeClass = type.getRawType();
+    @Nullable
+    public abstract T parse(Arguments arguments);
+}
diff --git a/src/main/java/cc/polyfrost/oneconfig/utils/commands/arguments/Arguments.java b/src/main/java/cc/polyfrost/oneconfig/utils/commands/arguments/Arguments.java
new file mode 100644
index 0000000..74a0840
--- /dev/null
+++ b/src/main/java/cc/polyfrost/oneconfig/utils/commands/arguments/Arguments.java
@@ -0,0 +1,33 @@
+package cc.polyfrost.oneconfig.utils.commands.arguments;
+
+public class Arguments {
+    private int position = 0;
+    public final String[] args;
+    public final boolean greedy;
+
+    public Arguments(String[] args, boolean greedy) {
+        this.args = args;
+        this.greedy = greedy;
+    }
+
+    public String poll() {
+        ++position;
+        return args[position - 1];
+    }
+
+    public String peek() {
+        if (hasNext()) {
+            return args[position];
+        } else {
+            return null;
+        }
+    }
+
+    public boolean hasNext() {
+        return position < args.length;
+    }
+
+    public int getPosition() {
+        return position;
+    }
+}
diff --git a/src/main/java/cc/polyfrost/oneconfig/utils/commands/arguments/BooleanParser.java b/src/main/java/cc/polyfrost/oneconfig/utils/commands/arguments/BooleanParser.java
new file mode 100644
index 0000000..dfdca2d
--- /dev/null
+++ b/src/main/java/cc/polyfrost/oneconfig/utils/commands/arguments/BooleanParser.java
@@ -0,0 +1,11 @@
+package cc.polyfrost.oneconfig.utils.commands.arguments;
+
+import org.jetbrains.annotations.Nullable;
+
+public class BooleanParser extends ArgumentParser<Boolean> {
+
+    @Override
+    public @Nullable Boolean parse(Arguments arguments) {
+        return Boolean.parseBoolean(arguments.poll());
+    }
+}
diff --git a/src/main/java/cc/polyfrost/oneconfig/utils/commands/arguments/DoubleParser.java b/src/main/java/cc/polyfrost/oneconfig/utils/commands/arguments/DoubleParser.java
new file mode 100644
index 0000000..8c85849
--- /dev/null
+++ b/src/main/java/cc/polyfrost/oneconfig/utils/commands/arguments/DoubleParser.java
@@ -0,0 +1,10 @@
+package cc.polyfrost.oneconfig.utils.commands.arguments;
+
+import org.jetbrains.annotations.Nullable;
+
+public class DoubleParser extends ArgumentParser<Double> {
+    @Override
+    public @Nullable Double parse(Arguments arguments) {
+        return Double.parseDouble(arguments.poll());
+    }
+}
diff --git a/src/main/java/cc/polyfrost/oneconfig/utils/commands/arguments/FloatParser.java b/src/main/java/cc/polyfrost/oneconfig/utils/commands/arguments/FloatParser.java
new file mode 100644
index 0000000..7053fcb
--- /dev/null
+++ b/src/main/java/cc/polyfrost/oneconfig/utils/commands/arguments/FloatParser.java
@@ -0,0 +1,11 @@
+package cc.polyfrost.oneconfig.utils.commands.arguments;
+
+import org.jetbrains.annotations.Nullable;
+
+public class FloatParser extends ArgumentParser<Float> {
+
+    @Override
+    public @Nullable Float parse(Arguments arguments) {
+        return Float.parseFloat(arguments.poll());
+    }
+}
diff --git a/src/main/java/cc/polyfrost/oneconfig/utils/commands/arguments/IntegerParser.java b/src/main/java/cc/polyfrost/oneconfig/utils/commands/arguments/IntegerParser.java
new file mode 100644
index 0000000..6910d4b
--- /dev/null
+++ b/src/main/java/cc/polyfrost/oneconfig/utils/commands/arguments/IntegerParser.java
@@ -0,0 +1,8 @@
+package cc.polyfrost.oneconfig.utils.commands.arguments;
+
+public class IntegerParser extends ArgumentParser<Integer> {
+    @Override
+    public Integer parse(Arguments arguments) {
+        return Integer.parseInt(arguments.poll());
+    }
+}
diff --git a/src/main/java/cc/polyfrost/oneconfig/utils/commands/arguments/StringParser.java b/src/main/java/cc/polyfrost/oneconfig/utils/commands/arguments/StringParser.java
new file mode 100644
index 0000000..6a34722
--- /dev/null
+++ b/src/main/java/cc/polyfrost/oneconfig/utils/commands/arguments/StringParser.java
@@ -0,0 +1,18 @@
+package cc.polyfrost.oneconfig.utils.commands.arguments;
+
+public class StringParser extends ArgumentParser<String> {
+
+    @Override
+    public String parse(Arguments arguments) {
+        if (arguments.greedy) {
+            StringBuilder builder = new StringBuilder();
+            while (arguments.hasNext()) {
+                String arg = arguments.poll();
+                builder.append(arg).append(" ");
+            }
+            return builder.toString().trim();
+        } else {
+            return arguments.poll();
+        }
+    }
+}