From 55043d5a4eb60c023739544ae0454f093c89d372 Mon Sep 17 00:00:00 2001
From: "Claudius \"keldu\" Holeksa" <mail@keldu.de>
Date: Sat, 27 May 2023 19:51:40 +0200
Subject: c++: Added struct and support for pack interpretation

---
 src/codec/data.h     | 10 +++++++---
 src/core/templates.h | 16 ++++++++++++++++
 2 files changed, 23 insertions(+), 3 deletions(-)
 create mode 100644 src/core/templates.h

(limited to 'src')

diff --git a/src/codec/data.h b/src/codec/data.h
index 96345af..442fa26 100644
--- a/src/codec/data.h
+++ b/src/codec/data.h
@@ -1,6 +1,10 @@
 #pragma once
 
 #include <forstio/core/common.h>
+#include <forstio/core/templates.h>
+
+#include <vector>
+
 #include "schema.h"
 
 namespace saw {
@@ -69,14 +73,14 @@ private:
 	static_assert(always_false<T>, "Type not supported");
 };
 
-template<typename... T, string_literal... literal>
-class data<schema::Struct<Member<T, literal>...>, encode::Native> {
+template<typename... T, string_literal... literals>
+class data<schema::Struct<schema::Member<T, literals>...>, encode::Native> {
 private:
 	std::tuple<data<T,encode::Native>...> value_;
 public:
 	template<string_literal literal>
 	data<T, encode::Native>& get(){
-		
+		return std::get<parameter_packe_index<literal, literals...>::value>(value_);
 	}
 
 	constexpr size_t size() const {
diff --git a/src/core/templates.h b/src/core/templates.h
new file mode 100644
index 0000000..833bb5b
--- /dev/null
+++ b/src/core/templates.h
@@ -0,0 +1,16 @@
+#pragma once
+
+namespace saw {
+
+template <class T, class... TL> struct parameter_pack_index;
+
+template <class T, class... TL> struct parameter_pack_index<T, T, TL...> {
+	static constexpr size_t value = 0u;
+};
+
+template <class T, class TL0, class... TL>
+struct parameter_pack_index<T, TL0, TL...> {
+	static constexpr size_t value =
+		1u + parameter_pack_index<T, TL...>::value;
+};
+}
-- 
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