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// Copyright 2015 MongoDB Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <cstdlib>
#include <iostream>
#include <bsoncxx/builder/stream/document.hpp>
#include <bsoncxx/decimal128.hpp>
#include <bsoncxx/exception/exception.hpp>
#include <bsoncxx/types.hpp>
using namespace bsoncxx;
int main(int, char**) {
// Convert a string to BSON Decimal128.
decimal128 d128;
try {
d128 = decimal128{"1.234E+3456"};
} catch (const bsoncxx::exception& e) {
// The example won't fail, but in general, arbitrary strings
// might not convert properly.
return EXIT_FAILURE;
}
// Add it to a BSON document.
builder::stream::document build_doc;
build_doc << "counter" << d128;
auto doc = document::value{build_doc.extract()};
// Extract a BSON Decimal128 from a document view.
auto view = doc.view();
auto d128copy = view["counter"].get_decimal128().value;
// Convert it back to a string.
std::cout << "Counter is " << d128copy.to_string() << std::endl;
return EXIT_SUCCESS;
}