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-rw-r--r--Source/cmFilePathUuid.h69
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diff --git a/Source/cmFilePathUuid.h b/Source/cmFilePathUuid.h
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--- a/Source/cmFilePathUuid.h
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-/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
- file Copyright.txt or https://cmake.org/licensing for details. */
-#ifndef cmFilePathUuid_h
-#define cmFilePathUuid_h
-
-#include <cmConfigure.h> // IWYU pragma: keep
-
-#include <stddef.h>
-#include <string>
-#include <utility>
-
-class cmMakefile;
-
-/** \class cmFilePathUuid
- * @brief Generates a unique pathless file name with a checksum component
- * calculated from the file path.
- *
- * The checksum is calculated from the relative file path to the
- * closest known project directory. This guarantees reproducibility
- * when source and build directory differ e.g. for different project
- * build directories.
- */
-class cmFilePathUuid
-{
-public:
- /// Maximum number of characters to use from the file name
- static const size_t partLengthName = 14;
- /// Maximum number of characters to use from the path checksum
- static const size_t partLengthCheckSum = 14;
-
- /// @brief Initilizes the parent directories from a makefile
- cmFilePathUuid(cmMakefile* makefile);
-
- /// @brief Initilizes the parent directories manually
- cmFilePathUuid(const std::string& currentSrcDir,
- const std::string& currentBinDir,
- const std::string& projectSrcDir,
- const std::string& projectBinDir);
-
- /* @brief Calculates and returns the uuid for a file path
- *
- * @arg outputPrefix optional string to prepend to the result
- * @arg outputSuffix optional string to append to the result
- */
- std::string get(const std::string& filePath,
- const char* outputPrefix = CM_NULLPTR,
- const char* outputSuffix = CM_NULLPTR);
-
-private:
- void initParentDirs(const std::string& currentSrcDir,
- const std::string& currentBinDir,
- const std::string& projectSrcDir,
- const std::string& projectBinDir);
-
- /// Returns the relative path and the parent directory key string (seed)
- void GetRelPathSeed(const std::string& filePath, std::string& sourceRelPath,
- std::string& sourceRelSeed);
-
- std::string GetChecksumString(const std::string& sourceFilename,
- const std::string& sourceRelPath,
- const std::string& sourceRelSeed);
-
- /// Size of the parent directory list
- static const size_t numParentDirs = 4;
- /// List of (directory name, seed name) pairs
- std::pair<std::string, std::string> parentDirs[numParentDirs];
-};
-
-#endif