xref: /freebsd/contrib/kyua/utils/fs/path.hpp (revision b0d29bc4)
1 // Copyright 2010 The Kyua Authors.
2 // All rights reserved.
3 //
4 // Redistribution and use in source and binary forms, with or without
5 // modification, are permitted provided that the following conditions are
6 // met:
7 //
8 // * Redistributions of source code must retain the above copyright
9 //   notice, this list of conditions and the following disclaimer.
10 // * Redistributions in binary form must reproduce the above copyright
11 //   notice, this list of conditions and the following disclaimer in the
12 //   documentation and/or other materials provided with the distribution.
13 // * Neither the name of Google Inc. nor the names of its contributors
14 //   may be used to endorse or promote products derived from this software
15 //   without specific prior written permission.
16 //
17 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 
29 /// \file utils/fs/path.hpp
30 /// Provides the utils::fs::path class.
31 ///
32 /// This is a poor man's reimplementation of the path class provided by
33 /// Boost.Filesystem, in the sense that it tries to follow the same API but is
34 /// much simplified.
35 
36 #if !defined(UTILS_FS_PATH_HPP)
37 #define UTILS_FS_PATH_HPP
38 
39 #include "utils/fs/path_fwd.hpp"
40 
41 #include <string>
42 #include <ostream>
43 
44 namespace utils {
45 namespace fs {
46 
47 
48 /// Representation and manipulation of a file system path.
49 ///
50 /// Application code should always use this class to represent a path instead of
51 /// std::string, because this class is more semantically representative, ensures
52 /// that the values are valid and provides some useful manipulation functions.
53 ///
54 /// Conversions to and from strings are always explicit.
55 class path {
56     /// Internal representation of the path.
57     std::string _repr;
58 
59 public:
60     explicit path(const std::string&);
61 
62     const char* c_str(void) const;
63     const std::string& str(void) const;
64 
65     path branch_path(void) const;
66     std::string leaf_name(void) const;
67     path to_absolute(void) const;
68 
69     bool is_absolute(void) const;
70     bool is_parent_of(path) const;
71     int ncomponents(void) const;
72 
73     bool operator<(const path&) const;
74     bool operator==(const path&) const;
75     bool operator!=(const path&) const;
76     path operator/(const std::string&) const;
77     path operator/(const path&) const;
78 };
79 
80 
81 std::ostream& operator<<(std::ostream&, const path&);
82 
83 
84 }  // namespace fs
85 }  // namespace utils
86 
87 #endif  // !defined(UTILS_FS_PATH_HPP)
88