RealPath.h revision 5460a1f25d9ddecb5c70667267d66d51af177a99 
1//===- RealPath.h ---------------------------------------------------------===//
2//
3//                     The MCLinker Project
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9#ifndef MCLD_REAL_PATH_H
10#define MCLD_REAL_PATH_H
11#ifdef ENABLE_UNITTEST
12#include <gtest.h>
13#endif
14#include "mcld/Support/Path.h"
15#include <string>
16
17namespace mcld {
18namespace sys  {
19namespace fs   {
20
21/** \class RealPath
22 *  \brief The canonicalized absolute pathname.
23 *
24 */
25class RealPath : public Path
26{
27public:
28  typedef Path::ValueType  ValueType;
29  typedef Path::StringType StringType;
30
31public:
32  RealPath();
33  explicit RealPath(const ValueType* s );
34  explicit RealPath(const StringType &s );
35  explicit RealPath(const Path& pPath);
36
37  ~RealPath();
38
39  RealPath& assign(const Path& pPath);
40
41protected:
42  void initialize();
43};
44
45} // namespace of fs
46} // namespace of sys
47} // namespace of mcld
48
49//-------------------------------------------------------------------------//
50//                              STL compatible functions                   //
51//-------------------------------------------------------------------------//
52namespace std {
53
54template<>
55struct less<mcld::sys::fs::RealPath> : public binary_function<
56                                                     mcld::sys::fs::RealPath,
57                                                     mcld::sys::fs::RealPath,
58                                                     bool>
59{
60  bool operator() (const mcld::sys::fs::RealPath& pX,
61                   const mcld::sys::fs::RealPath& pY) const {
62    if (pX.native().size() < pY.native().size())
63      return true;
64    return (pX.native() < pY.native());
65  }
66};
67
68} // namespace of std
69
70
71#endif
72
73