summaryrefslogtreecommitdiff
path: root/Source/cmPathLabel.h
blob: 55dffabe03d31fa13ab3c9e8838def3618dc7a7d (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
/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
   file Copyright.txt or https://cmake.org/licensing for details.  */
#ifndef cmPathLabel_h
#define cmPathLabel_h

#include "cmConfigure.h" // IWYU pragma: keep

#include <string>

/** \class cmPathLabel
 * \brief Helper class for text based labels
 *
 * cmPathLabel is extended in different classes to act as an inheritable
 * enum.  Comparisons are done on a precomputed Jenkins hash of the string
 * label for indexing and searchig.
 */
class cmPathLabel
{
public:
  cmPathLabel(std::string label);

  // The comparison operators are only for quick sorting and searching and
  // in no way imply any lexicographical order of the label
  bool operator<(const cmPathLabel& l) const;
  bool operator==(const cmPathLabel& l) const;

  const std::string& GetLabel() const { return this->Label; }
  const unsigned int& GetHash() const { return this->Hash; }

protected:
  cmPathLabel();

  std::string Label;
  unsigned int Hash;
};

#endif