.. _program_listing_file_src_ifcparse_IfcSpfStream.h:

Program Listing for File IfcSpfStream.h
=======================================

|exhale_lsh| :ref:`Return to documentation for file <file_src_ifcparse_IfcSpfStream.h>` (``src/ifcparse/IfcSpfStream.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/>.         *
    *                                                                              *
    ********************************************************************************/
    
   /*********************************************************************************
    *                                                                               *
    * Reads a file and provides functions to access its                             *
    * contents randomly and character by character                                  *
    *                                                                               *
    ********************************************************************************/
    
   #ifndef IFCSPFSTREAM_H
   #define IFCSPFSTREAM_H
   
   #include <fstream>
   #include <string>
   
   #ifdef USE_MMAP
   #include <boost/iostreams/device/mapped_file.hpp>
   #endif
   
   #include "ifc_parse_api.h"
   
   namespace IfcParse {
       class IFC_PARSE_API IfcSpfStream {
       private:
   #ifdef USE_MMAP
           boost::iostreams::mapped_file_source mfs;
   #endif
           FILE* stream;
           const char* buffer;
           unsigned int ptr;
           unsigned int len;
       public:
           bool valid;
           bool eof;
           unsigned int size;
   #ifdef USE_MMAP
           IfcSpfStream(const std::string& fn, bool mmap=false);
   #else
           IfcSpfStream(const std::string& fn);
   #endif
           IfcSpfStream(std::istream& f, int len);
           IfcSpfStream(void* data, int len);
           ~IfcSpfStream();
           char Peek();
           char Read(unsigned int offset);
           void Inc();
           void Close();
           void Seek(unsigned int offset);
           unsigned int Tell();
   
           bool is_eof_at(unsigned int);
           void increment_at(unsigned int&);
           char peek_at(unsigned int);
       };
   }
   
   #endif