mirror of
https://github.com/Kitware/CMake.git
synced 2025-05-09 23:08:18 +08:00
0b96ae1f6a
Run the `clang-format.bash` script to update all our C and C++ code to a new style defined by `.clang-format`, now with "east const" enforcement. Use `clang-format` version 18. * If you reached this commit for a line in `git blame`, re-run the blame operation starting at the parent of this commit to see older history for the content. * See the parent commit for instructions to rebase a change across this style transition commit. Issue: #26123
55 lines
1.5 KiB
C++
55 lines
1.5 KiB
C++
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
|
|
file Copyright.txt or https://cmake.org/licensing for details. */
|
|
#pragma once
|
|
|
|
#include "cmConfigure.h" // IWYU pragma: keep
|
|
|
|
#include <string>
|
|
#include <unordered_map>
|
|
|
|
#include "cmFileTime.h" // IWYU pragma: keep
|
|
|
|
/** \class cmFileTimeCache
|
|
* \brief Caches file modification times in an internal map for fast lookups.
|
|
*/
|
|
class cmFileTimeCache
|
|
{
|
|
public:
|
|
cmFileTimeCache();
|
|
~cmFileTimeCache();
|
|
|
|
cmFileTimeCache(cmFileTimeCache const&) = delete;
|
|
cmFileTimeCache& operator=(cmFileTimeCache const&) = delete;
|
|
|
|
/**
|
|
* @brief Loads the file time from the cache or the file system.
|
|
* @return true on success
|
|
*/
|
|
bool Load(std::string const& fileName, cmFileTime& fileTime);
|
|
|
|
/**
|
|
* @brief Removes a file time from the cache
|
|
* @return true if the file was found in the cache and removed
|
|
*/
|
|
bool Remove(std::string const& fileName);
|
|
|
|
/**
|
|
* @brief Compare file modification times.
|
|
* @return true for successful comparison and false for error.
|
|
*
|
|
* When true is returned, result has -1, 0, +1 for
|
|
* f1 older, same, or newer than f2.
|
|
*/
|
|
bool Compare(std::string const& f1, std::string const& f2, int* result);
|
|
|
|
/**
|
|
* @brief Compare file modification times.
|
|
* @return true unless both files exist and have modification times less
|
|
* than 1 second apart.
|
|
*/
|
|
bool DifferS(std::string const& f1, std::string const& f2);
|
|
|
|
private:
|
|
std::unordered_map<std::string, cmFileTime> Cache;
|
|
};
|