mongo_buffer_interface.h

/*
MIT License Block

Copyright (c) 2016 Alex Barry

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/

#ifndef AOSSL_MONGO_INCLUDE_MONGO_BUFFER_INTERFACE_H_
#define AOSSL_MONGO_INCLUDE_MONGO_BUFFER_INTERFACE_H_

#include <bson.h>
#include <mongoc.h>
#include <exception>
#include <string>
#include <unordered_map>

#include "aossl/core/include/buffers.h"

namespace AOSSL {

const int MONGO_STRING_UTF8 = 0;

struct BsonException: public std::exception {
  std::string int_msg;
  const char * what_str;

  inline BsonException(std::string msg) {
    int_msg = "Error in Bson Document: " + msg;
    what_str = int_msg.c_str();
  }

  BsonException() {}
  ~BsonException() throw() {}

  const char * what() const throw() {
    return what_str;
  }
};


class MongoBufferInterface {
 public:
  virtual ~MongoBufferInterface() {}
  virtual bool successful() = 0;
  virtual std::string get_error_message() = 0;
  virtual bson_t* get_bson() = 0;
  virtual void add_oid(std::string value) = 0;
  virtual void get_oid(std::string key, std::string &value) = 0;
  virtual void add_string(std::string key, std::string value) = 0;
  virtual void add_string(std::string value, int encoding) = 0;
  virtual void add_string(std::string value) = 0;
  virtual void add_string(std::string key, std::string value, int encoding) = 0;
  virtual void get_string(std::string key, std::string &value) = 0;
  virtual void add_bool(std::string key, bool value) = 0;
  virtual void add_bool(bool value) = 0;
  virtual bool get_bool(std::string key) = 0;
  virtual void add_int(std::string key, int value) = 0;
  virtual void add_int(int value) = 0;
  virtual int get_int(std::string key) = 0;
  virtual void add_double(std::string key, double value) = 0;
  virtual void add_double(double value) = 0;
  virtual double get_double(std::string key) = 0;
  virtual void add_date(std::string key, int value) = 0;
  virtual void add_date(int value) = 0;
  virtual int get_date(std::string key) = 0;
  virtual void start_array(std::string key) = 0;
  virtual void end_array() = 0;
  virtual void start_object(std::string key) = 0;
  virtual void end_object() = 0;
  virtual int count_keys() = 0;
  virtual bool has_field(std::string key) = 0;

  virtual std::string to_json() = 0;

  virtual std::string to_json(int string_length) = 0;
};

}  // namespace AOSSL
#endif  // AOSSL_MONGO_INCLUDE_MONGO_BUFFER_INTERFACE_H_