a_dxf_group.h

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/*
Copyright 2010 Pierre SMARS (smars@yuntech.edu.tw)
This program 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 2 of the License, or
(at your option) any later version.
 
This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _VE_DXF_GROUP_H_
#define _VE_DXF_GROUP_H_
 
#include <iostream>
#include <string>
 
class a_dxf_group
{
public:
        a_dxf_group(std::istream * file) : code_(0), data_() {file_ = file;}
        bool read();
        void write();
        void putback();
    int code()                  {return code_;}
        std::string data()      {return data_;}
        int data_int();
        double data_double();
        bool data_is(std::string s) {return s == data_;}
 
   class file_error {};
 
protected:
        std::istream *          file_;
        int                                     code_;
        std::string                     data_;
        static std::string      eof_;
};
 
#endif