resources/file.cpp

   1 /* Quarn OS
   2  *
   3  * File class
   4  *
   5  * Copyright (C) 2008-2009 Pawel Dziepak
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  */
  22
  23 #include "file.h"
  24 #include "fs.h"
  25 #include "manes/manec.h"
  26 using namespace resources;
  27
  28 void file::set(string name, p<fs> _fs) {
  29         file_name = name;
  30         filesystem = _fs;
  31
  32         metadata = filesystem->load_meta(file_name);
  33 }
  34
  35 file::operator const string() {
  36         if (!buf.valid()) {
  37                 buf = new buffer(metadata.size);
  38                 filesystem->load_file(file_name, *buf);
  39         }
  40         return string(reinterpret_cast<char*>(buf->get_address()));
  41 }
  42
  43 buffer file::get_buffer() {
  44         if (!buf.valid()) {
  45                 buf = new buffer(metadata.size);
  46                 filesystem->load_file(file_name, *buf);
  47         }
  48         return *buf;
  49 }
  50
  51 void file::register_type() {
  52         manes::manec::get()->register_type<file>("file", "fat");
  53 }