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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. */
#pragma once
#include "cmConfigure.h" // IWYU pragma: keep
#include <string>
/** \class cmWorkingDirectory
* \brief An RAII class to manipulate the working directory.
*
* The current working directory is set to the location given to the
* constructor. The working directory can be changed again as needed
* by calling SetDirectory(). When the object is destroyed, the destructor
* will restore the working directory to what it was when the object was
* created, regardless of any calls to SetDirectory() in the meantime.
*/
class cmWorkingDirectory
{
public:
cmWorkingDirectory(std::string const& newdir);
~cmWorkingDirectory();
cmWorkingDirectory(const cmWorkingDirectory&) = delete;
cmWorkingDirectory& operator=(const cmWorkingDirectory&) = delete;
bool SetDirectory(std::string const& newdir);
void Pop();
bool Failed() const { return this->ResultCode != 0; }
/** \return 0 if the last attempt to set the working directory was
* successful. If it failed, the value returned will be the
* \c errno value associated with the failure. A description
* of the error code can be obtained by passing the result
* to \c std::strerror().
*/
int GetLastResult() const { return this->ResultCode; }
std::string const& GetOldDirectory() const { return this->OldDir; }
private:
std::string OldDir;
int ResultCode;
};
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