native_client_sdk/src/libraries/nacl_io/path.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef LIBRARIES_NACL_IO_PATH_H_
   6 #define LIBRARIES_NACL_IO_PATH_H_
   7
   8 #include <limits.h>
   9
  10 #include <string>
  11 #include <vector>
  12
  13 #include "sdk_util/macros.h"
  14
  15 namespace nacl_io {
  16
  17 class Path {
  18  public:
  19   Path();
  20   Path(const Path& path);
  21   explicit Path(const std::string& path);
  22
  23   // Return true of the first path item is '/'.
  24   bool IsAbsolute() const;
  25
  26   // Return true if this is the root path (i.e. it has no parent)
  27   bool IsRoot() const;
  28
  29   // Return a part of the path
  30   std::string Part(size_t index) const;
  31
  32   // Return the number of path parts
  33   size_t Size() const;
  34
  35   // Update the path.
  36   Path& Append(const Path& path);
  37   Path& Append(const std::string& path);
  38   Path& Set(const std::string& path);
  39   Path& MakeRelative();
  40
  41   // Return the parent path.
  42   Path Parent() const;
  43   std::string Basename() const;
  44
  45   std::string Join() const;
  46   std::string Range(size_t start, size_t end) const;
  47
  48   // Operator versions
  49   Path& operator=(const Path& p);
  50   Path& operator=(const std::string& str);
  51   bool operator==(const Path& other);
  52   bool operator!=(const Path& other);
  53
  54  private:
  55   // Collapse the string list removing extraneous '.', '..' path components
  56   void Normalize();
  57
  58   size_t len_;
  59   char path_[PATH_MAX];
  60 };
  61
  62 }  // namespace nacl_io
  63
  64 #endif  // PACKAGES_LIBRARIES_NACL_IO_PATH_H_