summaryrefslogtreecommitdiff
path: root/modules/codec/examples/csv_encode.cpp
blob: 2761ea3b58eed087d79e0f373706492bd1ae76de (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
#include "../c++/csv.hpp"

#include <iostream>

namespace sch {
using namespace saw::schema;

using TestStruct = Struct<
	Member<UInt32, "ufoo">,
	Member<Float64, "double">,
	Member<String, "brah">
>;
}

int main(){
	using namespace saw;

	using Schema = sch::Array<sch::TestStruct>;

	data<Schema> dat{4u};
	codec<Schema, encode::Csv> csv_codec;

	{
		auto& row = dat.at(0u);
		row.template get<"ufoo">().set(50u);
		row.template get<"double">().set(50.0);
		row.template get<"brah">().set("foo");
	}
	{
		auto& row = dat.at(1u);
		row.template get<"ufoo">().set(40u);
		row.template get<"double">().set(42.0);
		row.template get<"brah">().set("bleh");
	}
	{
		auto& row = dat.at(2u);
		row.template get<"ufoo">().set(42u);
		row.template get<"double">().set(40.0);
		row.template get<"brah">().set("arg");
	}
	{
		auto& row = dat.at(3u);
		row.template get<"ufoo">().set(10u);
		row.template get<"double">().set(20.1);
		row.template get<"brah">().set("ben and anna");
	}

	data<Schema, encode::Csv> csv_dat;

	auto eov = csv_codec.encode(dat, csv_dat);
	if(eov.is_error()){
		auto& err = eov.get_error();
		std::cerr<<"Error: "<<err.get_category()<<" - "<<err.get_message()<<std::endl;
		return -1;
	}

	auto str = convert_to_string(csv_dat.get_buffer());
	std::cout<<str;
	std::cout.flush();

	return 0;
}