.. _program_listing_file_src_ifcparse_IfcCharacterDecoder.h:

Program Listing for File IfcCharacterDecoder.h
==============================================

|exhale_lsh| :ref:`Return to documentation for file <file_src_ifcparse_IfcCharacterDecoder.h>` (``src/ifcparse/IfcCharacterDecoder.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/>.         *
   *                                                                              *
   ********************************************************************************/
   
   /********************************************************************************
   *                                                                               *
   * Implementation of character decoding as described in ISO 10303-21 table 2 and *
   * table 4                                                                       *
   *                                                                               *
   ********************************************************************************/
   
   #ifndef IFCCHARACTERDECODER_H
   #define IFCCHARACTERDECODER_H
   
   #include <string>
   #include <sstream>
   
   #include "../ifcparse/IfcSpfStream.h"
   
   namespace IfcUtil {
       std::wstring::value_type convert_codepage(int codepage, int c);
       std::string convert_utf8(const std::wstring& s);
       std::wstring convert_utf8(const std::string& s);
   }
   
   namespace IfcParse {
   
       class IFC_PARSE_API IfcCharacterDecoder {
       private:
           IfcParse::IfcSpfStream* file;
           int codepage_;
       public:
           enum ConversionMode {SUBSTITUTE, UTF8, ESCAPE};
           static ConversionMode mode;
           static char substitution_character;
           IfcCharacterDecoder(IfcParse::IfcSpfStream* file);
           ~IfcCharacterDecoder();
           // Only advances the underlying token stream read pointer
           // to the next token.
           void skip();
           // Gets a decoded string representation at the token stream
           // read pointer and advances the underlying token stream.
           operator std::string();
           // Gets a decoded string representation at the offset provided,
           // does not mutate the underlying token stream read pointer.
           std::string get(unsigned int&);
       };
   
   }
   
   namespace IfcWrite {
   
       class IFC_PARSE_API IfcCharacterEncoder {
       private:
           std::wstring str;
       public:
           IfcCharacterEncoder(const std::string& input);
           operator std::string();
       };
   
   }
   
   #endif