aboutsummaryrefslogtreecommitdiffhomepage
path: root/tdutils/td/utils/PathView.h
blob: 6526a70b0fdc3b01898d93fbec4496599dff131f (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
//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2026
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#pragma once

#include "td/utils/Slice.h"

namespace td {

class PathView {
 public:
  explicit PathView(Slice path);

  bool empty() const {
    return path_.empty();
  }

  bool is_dir() const {
    if (empty()) {
      return false;
    }
    return is_slash(path_.back());
  }

  Slice parent_dir() const {
    return path_.substr(0, last_slash_ + 1);
  }
  Slice parent_dir_noslash() const;

  Slice extension() const {
    if (last_dot_ == static_cast<int32>(path_.size())) {
      return Slice();
    }
    return path_.substr(last_dot_ + 1);
  }

  Slice without_extension() const {
    return path_.substr(0, last_dot_);
  }

  Slice file_stem() const {
    return path_.substr(last_slash_ + 1, last_dot_ - last_slash_ - 1);
  }

  Slice file_name() const {
    return path_.substr(last_slash_ + 1);
  }

  Slice file_name_without_extension() const {
    return path_.substr(last_slash_ + 1, last_dot_ - last_slash_ - 1);
  }

  Slice path() const {
    return path_;
  }

  bool is_absolute() const {
    return !empty() && (is_slash(path_[0]) || (path_.size() >= 3 && path_[1] == ':' && is_slash(path_[2])));
  }

  bool is_relative() const {
    return !is_absolute();
  }

  static Slice relative(Slice path, Slice dir, bool force = false);
  static Slice dir_and_file(Slice path);

 private:
  static bool is_slash(char c) {
    return c == '/' || c == '\\';
  }

  Slice path_;
  int32 last_slash_;
  int32 last_dot_;
};

}  // namespace td