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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; | |
} |