summaryrefslogtreecommitdiff
path: root/src/dir.cpp
blob: 4fc06eaec0041bf085b6bbcb3c8ecff0918863a1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
/******************************************************************************
 *
 * Copyright (C) 1997-2021 by Dimitri van Heesch.
 *
 * Permission to use, copy, modify, and distribute this software and its
 * documentation under the terms of the GNU General Public License is hereby
 * granted. No representations are made about the suitability of this software
 * for any purpose. It is provided "as is" without express or implied warranty.
 * See the GNU General Public License for more details.
 *
 * Documents produced by Doxygen are derivative works derived from the
 * input used in their production; they are not affected by this license.
 *
 */

#define NOMINMAX
#define WIN32_LEAN_AND_MEAN
#include "filesystem.hpp"
#include "dir.h"

namespace fs = ghc::filesystem;

//-----------------------------------------------------------------------------------------------

struct DirEntry::Private
{
  fs::directory_entry entry;
};

DirEntry::DirEntry() : p(std::make_unique<Private>())
{
}

DirEntry::~DirEntry()
{
}

bool DirEntry::is_directory() const
{
  return p->entry.is_directory();
}

bool DirEntry::is_regular_file() const
{
  return p->entry.is_regular_file();
}

bool DirEntry::is_symlink() const
{
  return p->entry.is_symlink();
}

std::string DirEntry::path() const
{
  return p->entry.path().string();
}

//-----------------------------------------------------------------------------------------------

struct DirIterator::Private
{
  Private() : it() {}
  Private(const std::string &path) : it(path,ec) {}
  fs::directory_iterator it;
  std::error_code ec;
  mutable DirEntry current;
};

DirIterator::DirIterator() : p(std::make_unique<Private>())
{
}

DirIterator::DirIterator(const std::string &path) : p(std::make_unique<Private>(path))
{
}

DirIterator::DirIterator(const DirIterator &it) : p(std::make_unique<Private>())
{
  p->it = it.p->it;
}

DirIterator::~DirIterator()
{
}

DirIterator &DirIterator::operator=(const DirIterator &it)
{
  if (&it!=this)
  {
    p->it = it.p->it;
  }
  return *this;
}

DirIterator DirIterator::operator++()
{
  DirIterator result;
  result.p->it = ++p->it;
  return result;
}

const DirIterator::value_type &DirIterator::operator*() const
{
  p->current.p->entry = *p->it;
  return p->current;
}

const DirIterator::value_type *DirIterator::operator->() const
{
  p->current.p->entry = *p->it;
  return &p->current;
}

bool operator==(const DirIterator &it1,const DirIterator &it2)
{
  return it1.p->it == it2.p->it;
}

bool operator!=(const DirIterator &it1,const DirIterator &it2)
{
  return it1.p->it!=it2.p->it;
}

DirIterator begin(DirIterator it) noexcept
{
  return it;
}

DirIterator end(const DirIterator &) noexcept
{
  return DirIterator();
}


//-----------------------------------------------------------------------------------------------


struct Dir::Private
{
  fs::path path;
};

Dir::Dir() : p(std::make_unique<Private>())
{
  std::error_code ec;
  p->path = fs::current_path(ec);
}

Dir::Dir(const Dir &d) : p(std::make_unique<Private>())
{
  p->path = d.p->path;
}

Dir &Dir::operator=(const Dir &d)
{
  if (&d!=this)
  {
    p->path = d.p->path;
  }
  return *this;
}

Dir::Dir(const std::string &path) : p(std::make_unique<Private>())
{
  setPath(path);
}

Dir::~Dir()
{
}

void Dir::setPath(const std::string &path)
{
  p->path = path;
}

std::string Dir::path() const
{
  return p->path.string();
}

DirIterator Dir::iterator() const
{
  return DirIterator(p->path.string());
}

static void correctPath(std::string &s)
{
  std::replace( s.begin(), s.end(), '\\', '/' );
}

bool Dir::exists(const std::string &path,bool acceptsAbsPath) const
{
  std::string result = filePath(path,acceptsAbsPath);
  std::error_code ec;
  bool exist = fs::exists(fs::path(result),ec);
  return !ec && exist;
}

bool Dir::exists() const
{
  FileInfo fi(p->path.string());
  return fi.exists() && fi.isDir();
}

bool Dir::isEmpty(const std::string subdir) const
{
  fs::path pth = path();
  pth /= subdir;
  return fs::is_empty(pth);
}

bool Dir::isRelative() const
{
  return isRelativePath(p->path.string());
}

bool Dir::isRelativePath(const std::string &path)
{
  return fs::path(path).is_relative();
}

std::string Dir::filePath(const std::string &path,bool acceptsAbsPath) const
{
  std::string result;
  if (acceptsAbsPath && !isRelativePath(path))
  {
    result = path;
  }
  else
  {
    result = (p->path / path).string();
  }
  correctPath(result);
  return result;
}

bool Dir::mkdir(const std::string &path,bool acceptsAbsPath) const
{
  std::error_code ec;
  std::string result = filePath(path,acceptsAbsPath);
  if (exists(path,acceptsAbsPath))
  {
    return true;
  }
  else
  {
    return fs::create_directory(result,ec);
  }
}

bool Dir::rmdir(const std::string &path,bool acceptsAbsPath) const
{
  return remove(path,acceptsAbsPath);
}

bool Dir::remove(const std::string &path,bool acceptsAbsPath) const
{
  std::error_code ec;
  std::string result = filePath(path,acceptsAbsPath);
  return fs::remove(result,ec);
}

bool Dir::rename(const std::string &orgName,const std::string &newName,bool acceptsAbsPath) const
{
  std::error_code ec;
  std::string fn1 = filePath(orgName,acceptsAbsPath);
  std::string fn2 = filePath(newName,acceptsAbsPath);
  fs::rename(fn1,fn2,ec);
  return !ec;
}

bool Dir::copy(const std::string &srcName,const std::string &dstName,bool acceptsAbsPath) const
{
  const auto copyOptions = fs::copy_options::overwrite_existing;
  std::error_code ec;
  std::string sn = filePath(srcName,acceptsAbsPath);
  std::string dn = filePath(dstName,acceptsAbsPath);
  fs::copy(sn,dn,copyOptions,ec);
  return !ec;
}

std::string Dir::currentDirPath()
{
  std::error_code ec;
  std::string result = fs::current_path(ec).string();
  correctPath(result);
  return result;
}

bool Dir::setCurrent(const std::string &path)
{
  std::error_code ec;
  fs::current_path(path,ec);
  return !ec;
}

std::string Dir::cleanDirPath(const std::string &path)
{
  std::error_code ec;
  std::string result = fs::path(path).lexically_normal().string();
  correctPath(result);
  return result;
}

std::string Dir::absPath() const
{
  std::error_code ec;
  std::string result = fs::absolute(p->path,ec).string();
  correctPath(result);
  return result;
}