nucleus/library/filesystem/filename_tree.cpp

   1 /*****************************************************************************\
   2 *                                                                             *
   3 *  Name   : filename_tree                                                     *
   4 *  Author : Chris Koeritz                                                     *
   5 *                                                                             *
   6 *******************************************************************************
   7 * Copyright (c) 2004-$now By Author.  This program is free software; you can  *
   8 * redistribute it and/or modify it under the terms of the GNU General Public  *
   9 * License as published by the Free Software Foundation; either version 2 of   *
  10 * the License or (at your option) any later version.  This is online at:      *
  11 *     http://www.fsf.org/copyleft/gpl.html                                    *
  12 * Please send any updates to: fred@gruntose.com                               *
  13 \*****************************************************************************/
  14
  15 #include "filename_tree.h"
  16
  17 #include <structures/object_packers.h>
  18
  19 using namespace basis;
  20 using namespace nodes;
  21 using namespace structures;
  22
  23 namespace filesystem {
  24
  25 nodes::packable_tree *fname_tree_creator::create() { return new filename_tree; }
  26
  27 //////////////
  28
  29 filename_tree::filename_tree() : _depth(0) {}
  30
  31 filename_tree::~filename_tree() { _dirname = ""; _files.reset(); }
  32
  33 int filename_tree::packed_size() const {
  34   return PACKED_SIZE_INT32 + _dirname.packed_size() + _files.packed_size();
  35 }
  36
  37 void filename_tree::pack(byte_array &packed_form) const {
  38   structures::attach(packed_form, _depth);
  39   _dirname.pack(packed_form);
  40   _files.pack(packed_form);
  41 }
  42
  43 bool filename_tree::unpack(byte_array &packed_form) {
  44   if (!structures::detach(packed_form, _depth)) return false;
  45   if (!_dirname.unpack(packed_form)) return false;
  46   if (!_files.unpack(packed_form)) return false;
  47   return true;
  48 }
  49
  50 } //namespace.
  51
  52