CMake/Source/cmPathLabel.h

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/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
This software is distributed WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the License for more information.
============================================================================*/
#ifndef cmPathLabel_h
#define cmPathLabel_h
#include "cmStandardIncludes.h"
/** \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(const 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