mapnik/shape/dbffile.hpp
2005-06-14 15:06:59 +00:00

73 lines
2 KiB
C++

/* This file is part of Mapnik (c++ mapping toolkit)
* Copyright (C) 2005 Artem Pavlenko
*
* Mapnik 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 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef DBFFILE_HH
#define DBFFILE_HH
#include <vector>
#include <string>
#include <fstream>
#include <cassert>
#include "mapnik.hh"
using namespace mapnik;
struct field_descriptor
{
int index_;
std::string name_;
char type_;
int length_;
int dec_;
int offset_;
};
class dbf_file
{
private:
int num_records_;
int num_fields_;
int record_length_;
std::vector<field_descriptor> fields_;
std::ifstream file_;
char* record_;
public:
dbf_file();
dbf_file(const char* file_name);
dbf_file(const std::string& file_name);
~dbf_file();
bool open(const std::string& file_name);
bool is_open();
void close();
int num_records() const;
int num_fields() const;
const field_descriptor& descriptor(int col) const;
void move_to(int index);
std::string string_value(int col) const;
void add_attribute(int col,Feature* f) const throw();
private:
dbf_file(const dbf_file&);
dbf_file& operator=(const dbf_file&);
void read_header();
int read_short();
int read_int();
void skip(int bytes);
};
#endif //DBFFILE_HH