bson.h

Go to the documentation of this file.

/* NOTE: Standalone bson header for when not using MongoDB.
   See also: bsondemo.

   MongoDB includes ../db/jsobj.h instead. This file, however, pulls in much less code / dependencies.
*/

/*
 *    Copyright 2009 10gen 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.
 */

#pragma once

#if defined(MONGO_EXPOSE_MACROS)
#error this header is for client programs, not the mongo database itself. include jsobj.h instead.
/* because we define simplistic assert helpers here that don't pull in a bunch of util -- so that
   BSON can be used header only.
   */
#endif

#include <iostream>
#include <sstream>
#include <boost/utility.hpp>
#include "util/builder.h"

namespace bson {

    using std::string;
    using std::stringstream;

    class assertion : public std::exception {
    public:
        assertion( unsigned u , const string& s )
            : id( u ) , msg( s ) {
            mongo::StringBuilder ss;
            ss << "BsonAssertion id: " << u << " " << s;
            full = ss.str();
        }

        virtual ~assertion() throw() {}

        virtual const char* what() const throw() { return full.c_str(); }

        unsigned id;
        string msg;
        string full;
    };
}

namespace mongo {
#if !defined(assert)
    inline void assert(bool expr) {
        if(!expr) {
            throw bson::assertion( 0 , "assertion failure in bson library" );
        }
    }
#endif
#if !defined(uassert)
    inline void uasserted(unsigned msgid, std::string s) {
        throw bson::assertion( msgid , s );
    }

    inline void uassert(unsigned msgid, std::string msg, bool expr) {
        if( !expr )
            uasserted( msgid , msg );
    }
    inline void msgasserted(int msgid, const char *msg) {
        throw bson::assertion( msgid , msg );
    }
    inline void msgasserted(int msgid, const std::string &msg) { msgasserted(msgid, msg.c_str()); }
    inline void massert(unsigned msgid, std::string msg, bool expr) {
        if(!expr) {
            std::cout << "assertion failure in bson library: " << msgid << ' ' << msg << std::endl;
            throw bson::assertion( msgid , msg );
        }
    }
#endif
}

#include "../bson/bsontypes.h"
#include "../bson/oid.h"
#include "../bson/bsonelement.h"
#include "../bson/bsonobj.h"
#include "../bson/bsonmisc.h"
#include "../bson/bsonobjbuilder.h"
#include "../bson/bsonobjiterator.h"
#include "../bson/bson-inl.h"

namespace mongo {

    inline unsigned getRandomNumber() {
#if defined(_WIN32)
        return rand();
#else
        return random();
#endif
    }

}