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48 lines
1.5 KiB
48 lines
1.5 KiB
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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file Copyright.txt or https://cmake.org/licensing for details. */
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#ifndef cmWorkingDirectory_h
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#define cmWorkingDirectory_h
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#include "cmConfigure.h" // IWYU pragma: keep
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#include <string>
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/** \class cmWorkingDirectory
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* \brief An RAII class to manipulate the working directory.
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*
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* The current working directory is set to the location given to the
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* constructor. The working directory can be changed again as needed
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* by calling SetDirectory(). When the object is destroyed, the destructor
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* will restore the working directory to what it was when the object was
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* created, regardless of any calls to SetDirectory() in the meantime.
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*/
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class cmWorkingDirectory
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{
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public:
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cmWorkingDirectory(std::string const& newdir);
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~cmWorkingDirectory();
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cmWorkingDirectory(const cmWorkingDirectory&) = delete;
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cmWorkingDirectory& operator=(const cmWorkingDirectory&) = delete;
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bool SetDirectory(std::string const& newdir);
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void Pop();
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bool Failed() const { return ResultCode != 0; }
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/** \return 0 if the last attempt to set the working directory was
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* successful. If it failed, the value returned will be the
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* \c errno value associated with the failure. A description
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* of the error code can be obtained by passing the result
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* to \c std::strerror().
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*/
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int GetLastResult() const { return ResultCode; }
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std::string const& GetOldDirectory() const { return this->OldDir; }
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private:
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std::string OldDir;
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int ResultCode;
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};
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#endif
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