1 files changed, 67 insertions, 0 deletions
diff --git a/modules/codec/examples/arg_parser.cpp b/modules/codec/examples/arg_parser.cpp
new file mode 100644
index 0000000..569c464
--- /dev/null
+++ b/modules/codec/examples/arg_parser.cpp
@@ -0,0 +1,67 @@
+#include "../c++/args.hpp"
+
+#include <iostream>
+
+namespace sch {
+using namespace saw::schema;
+
+using ExArgStruct = Struct<
+	Member<String, "file">,
+	Member<UInt64, "threads">
+>;
+
+using ExArgs = Args<
+	ExArgStruct,
+	Tuple<>
+>;
+}
+
+int main(int argc, char** argv){
+	using namespace saw;
+
+	data<sch::ExArgs, encode::Args> args_dat{argc, argv};
+	codec<sch::ExArgs, encode::Args> args_codec;
+
+	data<sch::ExArgs> nat_dat;
+
+	auto eov = args_codec.decode(args_dat, nat_dat);
+	if(eov.is_error()){
+		auto& err = eov.get_error();
+		std::cerr<<"\n[Error] "<<err.get_category();
+		auto err_msg = err.get_message();
+		if(not err_msg.empty()){
+			std::cerr<<" - "<<err_msg;
+		}
+		std::cerr<<std::endl;
+		return err.get_id();
+	}
+
+	std::cout<<"Success\n";
+	std::cout<<"=======\n";
+	std::cout<<"\nProgram: ";
+	auto& prog = nat_dat.template get<"program">();
+	for(uint64_t i = 0; i < prog.size(); ++i){
+		std::cout<<prog.at(i);
+	}
+	std::cout<<"\n";
+	
+	auto& str_val = nat_dat.template get<"args">();
+	{
+		std::cout<<"File: ";
+		auto& file_val = str_val.template get<"file">();
+		for(uint64_t i = 0; i < file_val.size(); ++i){
+			std::cout<<file_val.at(i);
+		}
+		std::cout<<"\n";
+	}
+	{
+		std::cout<<"Threads: ";
+		auto& threads_val = str_val.template get<"threads">();
+		std::cout<<threads_val.get();
+		std::cout<<"\n";
+	}
+	auto& tup_val = nat_dat.template get<"positionals">();
+
+	std::cout<<std::endl;
+	return 0;
+}