Home | History | Annotate | Line # | Download | only in fs
      1 // Copyright 2010 Google Inc.
      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 <string>
     40 #include <ostream>
     41 
     42 namespace utils {
     43 namespace fs {
     44 
     45 
     46 /// Representation and manipulation of a file system path.
     47 ///
     48 /// Application code should always use this class to represent a path instead of
     49 /// std::string, because this class is more semantically representative, ensures
     50 /// that the values are valid and provides some useful manipulation functions.
     51 ///
     52 /// Conversions to and from strings are always explicit.
     53 class path {
     54     /// Internal representation of the path.
     55     std::string _repr;
     56 
     57 public:
     58     explicit path(const std::string&);
     59 
     60     const char* c_str(void) const;
     61     const std::string& str(void) const;
     62 
     63     path branch_path(void) const;
     64     std::string leaf_name(void) const;
     65     path to_absolute(void) const;
     66 
     67     bool is_absolute(void) const;
     68     bool is_parent_of(path) const;
     69     int ncomponents(void) const;
     70 
     71     bool operator<(const path&) const;
     72     bool operator==(const path&) const;
     73     bool operator!=(const path&) const;
     74     path operator/(const std::string&) const;
     75     path operator/(const path&) const;
     76 };
     77 
     78 
     79 std::ostream& operator<<(std::ostream&, const path&);
     80 
     81 
     82 }  // namespace fs
     83 }  // namespace utils
     84 
     85 #endif  // !defined(UTILS_FS_PATH_HPP)
     86