78 lines
2.7 KiB
C++
78 lines
2.7 KiB
C++
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/*
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* Copyright (C) 2019 YY Inc. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <iostream>
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#include <fstream>
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#include <string.h>
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#include "example.h"
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#include "bson_builder.h"
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using namespace std;
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using namespace x2struct;
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int main(int argc, char *argv[]) {
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// struct <--> string
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{
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bson_error_t err;
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memset(&err, 0, sizeof(err));
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std::ifstream fs("test.json", std::ifstream::binary);
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std::string json((std::istreambuf_iterator<char>(fs)), std::istreambuf_iterator<char>());
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bson_t * bson = bson_new_from_json((const uint8_t *)json.data(), json.length(), &err);
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cout<<"======== struct <-----> string ==========="<<endl;
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xstruct x;
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X::loadbson(bson_get_data(bson), 0, x);
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cout<<X::tojson(x)<<endl<<endl; // yes, tojson
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}
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{
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cout<<"======== builder ==========="<<endl;
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std::vector<std::string> vstr;
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vstr.push_back("s1");
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vstr.push_back("s2");
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#if __GXX_EXPERIMENTAL_CXX0X__ // if support c++11 build map by initializer_list
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bb::vp m{{"$set", bb::vp{{"_id",200}, {"date",bb::dt(1512828045000)}, {"vs", vstr}}}};
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bb::vp m1{{"_id", bb::vp{{"$in", vector<string>{"a"}}}}};
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#else
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bb::vp m;
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bb::vp up;
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up.push_back(std::make_pair<std::string, bb::intf>("_id", 200));
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up.push_back(std::make_pair<std::string, bb::intf>("date", bb::dt(1512828045000)));
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up.push_back(std::make_pair<std::string, bb::intf>("vs", vstr));
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m.push_back(std::make_pair<std::string, bb::intf>("$set", up));
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#endif
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cout<<bb::json(m, false)<<endl<<endl;
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}
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{
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cout<<"======== writer ==========="<<endl;
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BsonWriter sub = BsonWriter().convert("hello", 1).convert("good.abc.1", "nice");
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cout<<BsonWriter().convert("$set", sub).json()<<endl<<endl;
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}
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{
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cout<<"======== raw ==========="<<endl;
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map<string, int> m;
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m["hello"] = 1;
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m["good"] = 2;
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string bson = x2struct::X::tobson(m);
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map<string, int> n;
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x2struct::X::loadbson((uint8_t*)bson.data(), bson.length(), n);
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cout<<X::tojson(n)<<endl<<endl;
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}
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}
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