File: file_info.h

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/*
**      SWISH++
**      file_info.h
**
**      Copyright (C) 1998  Paul J. Lucas
**
**      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, write to the Free Software
**      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#ifndef file_info_H
#define file_info_H

// standard
#include <cstddef>                      /* for size_t */
#include <vector>

// local
#include "my_set.h"

//*****************************************************************************
//
// SYNOPSIS
//
        class file_info
//
// DESCRIPTION
//
//      This is used to contain information for every file encountered during
//      indexing.  A static data member keeps track of all dynamically
//      allocated instances so thay can be iterated over later.
//
//*****************************************************************************
{
public:
    typedef std::vector< file_info* > list_type;
    typedef list_type::const_iterator const_iterator;
    typedef PJL::char_ptr_set name_set_type;

    file_info(
        char const *path_name, int dir_index, size_t file_size,
        char const *title, int num_words = 0
    );
    file_info( unsigned char const *ptr_into_index_file );

    int                     dir_index() const   { return dir_index_; }
    char const*             file_name() const   { return file_name_; }
    int                     num_words() const   { return num_words_; }
    size_t                  size() const        { return size_; }
    char const*             title() const       { return title_; }

    static const_iterator   begin()             { return list_.begin();}
    static const_iterator   end()               { return list_.end(); }
    static int              current_index()     { return list_.size() - 1; }
    static void             inc_words()         { ++list_.back()->num_words_; }
    static file_info*       ith_info( int i )   { return list_[ i ]; }
    static int              num_files() { return list_.size(); }
    static bool             seen_file( char const *file_name ) {
                                return name_set_.contains( file_name );
                            }
private:
    int const               dir_index_;
    char const *const       file_name_;
    size_t const            size_;
    int                     num_words_;
    char const *const       title_;

    static list_type        list_;
    static name_set_type    name_set_;
};

#endif  /* file_info_H */
/* vim:set et sw=4 ts=4: */