CMake/Source/cmPathLabel.h
2019-01-22 13:03:04 -05:00

38 lines
1016 B
C++

/* 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