.. _program_listing_file_falcon_context.hpp:

Program Listing for File context.hpp
====================================

|exhale_lsh| :ref:`Return to documentation for file <file_falcon_context.hpp>` (``falcon/context.hpp``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   // ---------------------------------------------------------------------
   // This file is part of falcon-core.
   //
   // Copyright (C) 2015, 2016, 2017 Neuro-Electronics Research Flanders
   //
   // Falcon-server is free software: you can redistribute it and/or modify
   // it under the terms of the GNU General Public License as published by
   // the Free Software Foundation, either version 3 of the License, or
   // (at your option) any later version.
   //
   // Falcon-server is distributed in the hope that it will be useful,
   // but WITHOUT ANY WARRANTY; without even the implied warranty of
   // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   // GNU General Public License for more details.
   //
   // You should have received a copy of the GNU General Public License
   // along with falcon-core. If not, see <http://www.gnu.org/licenses/>.
   // ---------------------------------------------------------------------
   
   #pragma once
   
   #include <atomic>
   #include <string>
   #include <map>
   #include <zmq.hpp>
   #include "utilities/string.hpp"
   
   class StorageContext {
    public:
     StorageContext(std::string default_context = "")
         : default_context_(default_context) {}
   
     std::map<std::string, std::string> storage_map() const {
       return storage_map_;
     }
   
     std::string default_context() const { return default_context_; }
     void set_default_context(std::string c) { default_context_ = c; }
   
     std::string storage_context(const std::string& c) { return storage_map_[c]; }
   
     std::string resolve_path(const std::string &p) const {
       return resolve_server_path(p, storage_map_, default_context_);
     }
     std::string resolve_path(const std::string &p,
                              std::string default_context) const {
       return resolve_server_path(p, storage_map_, default_context);
     }
   
    protected:
     void add_storage_context(std::string key, std::string value) {
       storage_map_[key] = value;
     }
   
    protected:
     std::string default_context_;
     std::map<std::string, std::string> storage_map_;
   };
   
   class GlobalContext : public StorageContext {
    public:
     GlobalContext(bool test_flag, const std::map<std::string, std::string> &uri)
         : StorageContext(""), default_test_flag_(test_flag) {
       zmq_context_ = zmq::context_t(1);
       for (auto &it : uri) {
         add_storage_context(it.first, it.second);
       }
     }
   
     zmq::context_t &zmq() { return zmq_context_; }
   
     bool test() const { return default_test_flag_.load(); }
     void set_test(bool value) { default_test_flag_ = value; }
   
    private:
     zmq::context_t zmq_context_;
     std::atomic<bool> default_test_flag_;
   };