Arg decode simplification, but not ready

3 files changed, 23 insertions, 2 deletions

diff --git a/examples/poiseulle_particles_2d_bgk_gpu/sim.cpp b/examples/poiseulle_particles_2d_bgk_gpu/sim.cpp
index b8ac35e..1a9aa5b 100644
--- a/examples/poiseulle_particles_2d_bgk_gpu/sim.cpp
+++ b/examples/poiseulle_particles_2d_bgk_gpu/sim.cpp
@@ -6,6 +6,7 @@
 #include <forstio/remote/filesystem/easy.hpp>
 #include <forstio/codec/json/json.hpp>
 #include <forstio/codec/simple.hpp>
+#include <forstio/codec/args.hpp>
 
 namespace kel {
 namespace lbm {
@@ -242,6 +243,14 @@ template<typename T, typename Desc>
 saw::error_or<void> lbm_main(int argc, char** argv){
 	using namespace kel::lbm;
 
+	/*
+	auto eo_lbm_args = setup_lbm_env<sch::Args<sch::Struct<>,sch::Tuple<>>>(argc,argv);
+	if(eo_lbm_args.is_error()){
+		return std::move(eo_lbm_args.get_error());
+	}
+	auto& lbm_args = eo_lbm_args.get_value();
+	*/
+
 	using dfi = df_info<T,Desc>;
 
 	auto eo_lbm_dir = output_directory();
diff --git a/lib/core/c++/args.hpp b/lib/core/c++/args.hpp
index 01b4795..a0aa941 100644
--- a/lib/core/c++/args.hpp
+++ b/lib/core/c++/args.hpp
@@ -9,8 +9,19 @@ namespace sch {
 using namespace saw::schema;
 }
 
-saw::error_or<void> init_lbm_env(){
-	return saw::make_void();
+template<typename ArgSchema>
+saw::error_or<saw::data<ArgSchema>> setup_lbm_env(int argc, char** argv){
+	saw::data<ArgSchema,saw::encode::Args> args_data{argc,argv};
+
+	saw::codec<ArgSchema,saw::encode::Args> args_codec;
+
+	saw::data<ArgSchema> args_decoded;
+	auto eov = args_codec.decode(args_data,args_decoded);
+	if(eov.is_error()){
+		return eov;
+	}
+
+	return args_decoded;
 }
 }
 }
diff --git a/lib/core/c++/lbm.hpp b/lib/core/c++/lbm.hpp
index d6a0976..29de83e 100644
--- a/lib/core/c++/lbm.hpp
+++ b/lib/core/c++/lbm.hpp
@@ -1,5 +1,6 @@
 #pragma once
 
+#include "args.hpp"
 #include "schema.hpp"
 #include "flatten.hpp"
 #include "chunk.hpp"