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source: orxonox.OLD/trunk/src/lib/util/filesys/directory.cc @ 8501

Last change on this file since 8501 was 8332, checked in by bensch, 19 years ago

trunk: some more functionality

File size: 3.9 KB
Line 
1/*
2   orxonox - the future of 3D-vertical-scrollers
3
4   Copyright (C) 2004 orx
5
6   This program is free software; you can redistribute it and/or modify
7   it under the terms of the GNU General Public License as published by
8   the Free Software Foundation; either version 2, or (at your option)
9   any later version.
10
11### File Specific:
12   main-programmer: Benjamin Grauer
13   co-programmer: ...
14
15   Borrowed the Main code from 'Bart Vanhauwaert' (license below)
16   and adopted it to my likings.
17*/
18
19/**
20 * Copyright (C) 2002 Bart Vanhauwaert
21 *
22 * Permission to use, copy, modify, distribute and sell this software
23 * for any purpose is hereby granted without fee. This license
24 * includes (but is not limited to) standalone compilation or as part
25 * of a larger project.
26 *
27 * This software is provided "as is" without express or implied warranty.
28 *
29 * For a full statement on warranty and terms and conditions for
30 * copying, distribution and modification, please see the comment block
31 * at the end of this file.
32 *
33 * Version 1
34 *
35 */
36
37#include "directory.h"
38
39#if not defined (__WIN32__)
40#include <sys/types.h>
41#include <sys/stat.h>
42#include <dirent.h>
43#else
44#include <windows.h>
45#include <winbase.h>
46#endif
47
48#include <iostream>
49
50/**
51 * @brief Constructs a Directory handler.
52 * @param directoryName the name of the Directory to access.
53 */
54Directory::Directory(const std::string& directoryName)
55    : File(directoryName)
56{
57  this->_opened = false;
58}
59
60/**
61 * @brief construct a Copy of directory.
62 * @param directory the Directory to copy.
63 */
64Directory::Directory(const Directory& directory)
65  : File(directory)
66{
67  this->_opened = directory._opened;
68  this->_fileNames = directory._fileNames;
69}
70
71
72/**
73 * @brief destructs the Directory.
74 */
75Directory::~Directory()
76{
77  this->close();
78}
79
80
81/**
82 * @brief openes the Directory
83 * @returns true on success, false on error. (does not exist, no rights -> test with functions of File)
84 *
85 * Fills the List of Files, and sets the Directory to open state
86 */
87bool Directory::open()
88{
89  if (this->_opened)
90    this->close();
91
92  // Openes the Directory for reading:
93#if not defined(__WIN32__)
94  DIR* handle;
95  handle = opendir(this->name().c_str());
96  if (!handle)
97  {
98    std::cerr << "could not open directory " << this->name() << " for reading" << std::endl;
99    return false;
100  }
101#else
102  HANDLE handle;
103
104  // First check the attributes trying to access a non-Directory with
105  // FindFirstFile takes ages
106  DWORD attrs = GetFileAttributes(this->name().c_str());
107  if ( (attrs == 0xFFFFFFFF) || ((attrs && FILE_ATTRIBUTE_DIRECTORY) == 0) )
108  {
109    return false;
110  }
111  std::string Full(this->name());
112  // Circumvent a problem in FindFirstFile with c:\\* as parameter
113  if ( (Full.length() > 0) && (Full[Full.length()-1] != '\\') )
114    Full += "\\";
115  WIN32_FIND_DATA entry;
116  handle = FindFirstFile( (Full+"*").c_str(), &entry);
117  if (handle == INVALID_HANDLE_VALUE)
118  {
119    std::cerr << "could not open directory " << this->name() << " for reading" << std::endl;
120    return false;
121  }
122  else
123  {
124    this->_fileNames.push_back(entry.cFileName);
125  }
126#endif
127
128  // BUILDING the list of contained Files. (only the names)
129#if not defined(__WIN32__)
130  dirent* entry;
131  while ((entry = readdir(handle)) != NULL)
132    this->_fileNames.push_back(entry->d_name);
133  closedir(handle);
134#else
135  WIN32_FIND_DATA entry;
136  while ((int ok = FindNextFile(handle, &entry)) != 0)
137    this->_fileNames.push_back(entry.cFileName);
138  FindClose(handle);
139#endif
140  this->_opened = true;
141  return true;
142}
143
144/**
145 * @brief closes the directory
146 * @returns true.
147 *
148 * Clears the List of Files in the Directory.
149 */
150bool Directory::close()
151{
152  this->_opened = false;
153  this->_fileNames.clear();
154  return true;
155}
156
157
158/**
159 * @brief creates the directory
160 * @returns true on success, false on error
161 */
162bool Directory::create()
163{
164#if not defined (__WIN32__)
165  return (!mkdir(this->name().c_str(), 0777));
166#else
167  return (!CreateDirectory(this->name().c_str(), NULL));
168#endif
169}
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