.. _program_listing_file_src_serializers_util.h:

Program Listing for File util.h
===============================

|exhale_lsh| :ref:`Return to documentation for file <file_src_serializers_util.h>` (``src/serializers/util.h``)

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

.. code-block:: cpp

   /********************************************************************************
    *                                                                              *
    * This file is part of IfcOpenShell.                                           *
    *                                                                              *
    * IfcOpenShell is free software: you can redistribute it and/or modify         *
    * it under the terms of the Lesser GNU General Public License as published by  *
    * the Free Software Foundation, either version 3.0 of the License, or          *
    * (at your option) any later version.                                          *
    *                                                                              *
    * IfcOpenShell 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                 *
    * Lesser GNU General Public License for more details.                          *
    *                                                                              *
    * You should have received a copy of the Lesser GNU General Public License     *
    * along with this program. If not, see <http://www.gnu.org/licenses/>.         *
    *                                                                              *
    ********************************************************************************/
   
   #ifndef IFCCONVERT_UTIL_H
   #define IFCCONVERT_UTIL_H
   
   #include <sstream>
   #include <vector>
   
   #include <boost/shared_ptr.hpp>
   
   namespace util {
       class string_buffer {
       public:
           class item {
           public:
               virtual std::string str() const = 0;
               virtual ~item() {};
           };
           class string_item : public item {
               std::string s;
           public:
               string_item(const std::string& s) : s(s) {}
               void assign(const std::string& s) { this->s = s; }
               const std::string& value() const { return s; }
               std::string& value() { return s; }
               std::string str() const { return s; }
               virtual ~string_item() {};
           };
           class float_item : public item {
               double d;
           public:
               float_item(const double& d) : d(d) {}
               void assign(const double& d) { this->d = d; }
               const double& value() const { return d; }
               double& value() { return d; }
               std::string str() const { std::stringstream ss; ss << d; return ss.str(); }
               virtual ~float_item() {};
           };
       private:
           std::vector< boost::shared_ptr<item> > items;
           void clear();
           void assign(const std::vector< boost::shared_ptr<item> >& other);
       public:
           boost::shared_ptr<string_item> add(const std::string& s);
           boost::shared_ptr<float_item> add(const double& d);
           std::string str() const;
       };
   }
   
   #endif