From 5d8818103bae002694fa0ceb7496f40105de2634 Mon Sep 17 00:00:00 2001
From: MattMX <mangrovethefox@outlook.com>
Date: Fri, 28 Jun 2024 13:50:48 +0100
Subject: [PATCH] Rewrite argument consumer

---
 .../commands/declarative/arg/Argument.kt      |  2 +-
 .../commands/declarative/arg/argTests.kt      | 46 +++-------------
 .../arg/consumers/ArgumentConsumer.kt         | 55 +++++++++++++++++++
 3 files changed, 64 insertions(+), 39 deletions(-)
 create mode 100644 api/src/main/kotlin/com/mattmx/ktgui/commands/declarative/arg/consumers/ArgumentConsumer.kt

diff --git a/api/src/main/kotlin/com/mattmx/ktgui/commands/declarative/arg/Argument.kt b/api/src/main/kotlin/com/mattmx/ktgui/commands/declarative/arg/Argument.kt
index 1bc4759..6063098 100644
--- a/api/src/main/kotlin/com/mattmx/ktgui/commands/declarative/arg/Argument.kt
+++ b/api/src/main/kotlin/com/mattmx/ktgui/commands/declarative/arg/Argument.kt
@@ -110,7 +110,7 @@ open class Argument<T : Any>(
 
     open fun validate(stringValue: String?) = true
 
-    fun getDefaultSuggestions(): List<String>? {
+    open fun getDefaultSuggestions(): List<String>? {
         val context = SuggestionInvocation(Optional.empty(), "", emptyList())
         return if (suggests.isPresent) {
             suggests.get().getSuggestion(context)
diff --git a/api/src/main/kotlin/com/mattmx/ktgui/commands/declarative/arg/argTests.kt b/api/src/main/kotlin/com/mattmx/ktgui/commands/declarative/arg/argTests.kt
index d8fd23f..deaea1a 100644
--- a/api/src/main/kotlin/com/mattmx/ktgui/commands/declarative/arg/argTests.kt
+++ b/api/src/main/kotlin/com/mattmx/ktgui/commands/declarative/arg/argTests.kt
@@ -1,12 +1,7 @@
 package com.mattmx.ktgui.commands.declarative.arg
 
-import com.google.gson.JsonParser
+import com.mattmx.ktgui.commands.declarative.arg.consumers.ArgumentConsumer
 import com.mattmx.ktgui.commands.declarative.arg.impl.*
-import com.mattmx.ktgui.commands.declarative.div
-import com.mattmx.ktgui.commands.declarative.invoke
-import com.mattmx.ktgui.utils.not
-import org.bukkit.entity.Player
-import kotlin.math.min
 
 class ArgumentProcessor(
     val args: List<String>
@@ -43,31 +38,6 @@ class ArgumentProcessor(
 
         return current()
     }
-
-    fun takeOne(argId: String) {
-        values[argId] = next() ?: return
-    }
-
-    fun takeWhile(argId: String, block: String.() -> Boolean) {
-        var current = next()
-        val list = arrayListOf<String>()
-
-        if (current != null) {
-            list.add(current)
-        }
-
-        while (current != null && block(current)) {
-            current = next()
-            if (current != null) {
-                list.add(current)
-            }
-        }
-        values[argId] = list.joinToString(" ")
-    }
-
-    fun takeRemaining(argId: String) {
-        takeWhile(argId) { pointer < args.size }
-    }
 }
 
 fun main() {
@@ -75,18 +45,18 @@ fun main() {
     val option by optionArgument<String>()
     val t by optionArgument<Int>()
 
-    val args = "msg MattMX foo bar --t 5 --ping --option 'hello world'".split(" ")
+    val args = "msg MattMX foo bar --t 5 --ping --option test".split(" ")
     val processor = ArgumentProcessor(args)
 
     processor.permittedFlags.add(ping)
 
     // We should abstract this using the `ArgumentConsumer` interface
-    processor.takeOne("username")
-    processor.takeRemaining("msg")
+    println("username" + ArgumentConsumer.single().consume(processor))
+    println("msg" + ArgumentConsumer.remaining().consume(processor))
 
-//    username consumes single()
-//    msg consumes until { false }
-//    msg consumes remaining()
+    println(processor.values)
 
-    println(processor)
+    val regexArgumentConsumer = ArgumentConsumer.until { _, s -> s.matches("\\{.+}".toRegex()) }
+    val regexProcessor = ArgumentProcessor("msg {hello world}".split(" "))
+    println(regexArgumentConsumer.consume(regexProcessor))
 }
\ No newline at end of file
diff --git a/api/src/main/kotlin/com/mattmx/ktgui/commands/declarative/arg/consumers/ArgumentConsumer.kt b/api/src/main/kotlin/com/mattmx/ktgui/commands/declarative/arg/consumers/ArgumentConsumer.kt
new file mode 100644
index 0000000..e84252a
--- /dev/null
+++ b/api/src/main/kotlin/com/mattmx/ktgui/commands/declarative/arg/consumers/ArgumentConsumer.kt
@@ -0,0 +1,55 @@
+package com.mattmx.ktgui.commands.declarative.arg.consumers
+
+import com.mattmx.ktgui.commands.declarative.arg.ArgumentProcessor
+
+fun interface ArgumentConsumer {
+    fun consume(processor: ArgumentProcessor): String?
+
+    companion object {
+        fun single() = ArgumentConsumer { processor -> processor.next() }
+
+        infix fun untilFalse(predicate: (ArgumentProcessor, String) -> Boolean) = ArgumentConsumer { processor ->
+            var current = processor.next()
+            val list = arrayListOf<String>()
+
+            if (current != null) {
+                list.add(current)
+            }
+
+            while (current != null && predicate(processor, current)) {
+                current = processor.next()
+                if (current != null) {
+                    list.add(current)
+                }
+            }
+            list.joinToString(" ")
+        }
+
+        infix fun until(predicate: (ArgumentProcessor, String) -> Boolean) = ArgumentConsumer { processor ->
+            var current = processor.next()
+            var fullString = current ?: ""
+
+            while (current != null) {
+                current = processor.next()
+
+                if (current == null) {
+                    return@ArgumentConsumer null
+                }
+
+                fullString += " $current"
+
+                if (predicate(processor, fullString)) {
+                    return@ArgumentConsumer fullString
+                }
+            }
+            null
+        }
+
+        fun remaining() = untilFalse { processor, _ -> processor.pointer < processor.args.size }
+
+        infix fun variable(amount: Int): ArgumentConsumer {
+            var i = amount
+            return untilFalse { _, _ -> i-- == 0 }
+        }
+    }
+}
\ No newline at end of file