feat: Greedy argument

bot/src/main/kotlin/io/github/null2264/tsukumogami/bot/core/module/arguments/TestArguments.kt

@@ -6,6 +6,8 @@ import io.github.null2264.tsukumogami.core.commands.ext.user
 
 class TestArguments : Arguments() {
     val test by string("Test") {
+        isGreedy = true
+
         default("Lmao")
     }
 }

core/src/main/kotlin/io/github/null2264/tsukumogami/core/commands/Arguments.kt

@@ -17,12 +17,11 @@ abstract class Arguments {
     }
 
     suspend fun parse(context: Context) {
-        val currentValues = context.parseArguments()
+        val values = context.parseArguments()?.toMutableList() ?: return
 
         run {
             args.forEach { arg ->
-                val value = currentValues?.removeFirstOrNull() ?: return@run
-                arg.converter.parse(context, value)
+                arg.converter.consume(context, values)
             }
         }
     }

core/src/main/kotlin/io/github/null2264/tsukumogami/core/commands/converters/Converter.kt

@@ -7,11 +7,14 @@ import kotlin.reflect.KProperty
 
 abstract class Converter<OutputType: Any?> {
 
+    open var isGreedy = false
+
     lateinit var argumentObj: Argument<OutputType>
 
     abstract var parsed: OutputType
 
-    abstract suspend fun parse(context: Context, input: String): OutputType
+    // FIXME: Maybe change the output to a boolean, indicates whether or not it successfully consume the inputs
+    abstract suspend fun consume(context: Context, inputs: MutableList<String>): OutputType
 
     operator fun getValue(thisRef: Arguments, property: KProperty<*>): OutputType {
         return this.parsed

core/src/main/kotlin/io/github/null2264/tsukumogami/core/commands/converters/impl/StringConverter.kt

@@ -7,8 +7,19 @@ class StringConverter : Converter<String>() {
 
     override var parsed: String = ""
 
-    override suspend fun parse(context: Context, input: String): String {
-        this.parsed = input
-        return input
+    override suspend fun consume(context: Context, inputs: MutableList<String>): String {
+        this.parsed = if (isGreedy && inputs.size > 1) run {
+            val limit = inputs.size
+            var buffer = ""
+            var count = 0
+            for (i in (1..limit)) {
+                if (++count > 1) buffer += " "
+                if (count <= limit) {
+                    buffer += inputs.removeFirstOrNull() ?: ""
+                } else break
+            }
+            buffer
+        } else inputs.removeFirstOrNull().orEmpty()
+        return this.parsed
     }
 }

core/src/main/kotlin/io/github/null2264/tsukumogami/core/commands/converters/impl/UserConverter.kt

@@ -3,7 +3,6 @@ package io.github.null2264.tsukumogami.core.commands.converters.impl
 import dev.kord.common.entity.Snowflake
 import dev.kord.core.entity.User
 import io.github.null2264.tsukumogami.core.Context
-import io.github.null2264.tsukumogami.core.annotation.TsukumogamiInternalApi
 import io.github.null2264.tsukumogami.core.commands.converters.Converter
 import io.github.null2264.tsukumogami.core.exceptions.CommandException
 import io.github.null2264.tsukumogami.core.ext.users
@@ -11,9 +10,15 @@ import kotlinx.coroutines.flow.firstOrNull
 
 class UserConverter : Converter<User>() {
 
+    override var isGreedy: Boolean
+        get() = false
+        set(_) { error("UserConverter can't be greedy") }
+
     override lateinit var parsed: User
 
-    override suspend fun parse(context: Context, input: String): User {
+    override suspend fun consume(context: Context, inputs: MutableList<String>): User {
+        val input = inputs.removeFirstOrNull() ?: throw CommandException("User ID is null")
+
         if (input.equals("me", true)) {
             val user = context.author
             if (user != null) {