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/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file LICENSE.rst or https://cmake.org/licensing for details. */
#pragma once
#include "cmConfigure.h" // IWYU pragma: keep
#include "cmStdIoInit.h"
#ifdef _WIN32
# include <memory>
#endif
namespace cm {
namespace StdIo {
/**
* On Windows, enables I/O with `cin`, `cout`, and `cerr` in UTF-8 encoding.
* On non-Windows platforms, does nothing.
*
* Construct an instance of this at the beginning of `main`:
*
* * If `cin`, `cout`, or `cerr` is attached to a Windows Console whose
* input/output code page is not UTF-8, this replaces its `streambuf`
* with one that reads/writes from/to the console using wide-character
* Windows APIs to avoid limitations of the code page's narrow encoding.
*
* * If `cin`, `cout`, or `cerr` is not attached to a Windows Console,
* this sets its stream to binary mode for consistency with the case
* that it's attached to a console.
*
* Destroy the instance of this to restore the original `streambuf`s.
*/
class Console : private Init
{
#ifdef _WIN32
class Impl;
std::unique_ptr<Impl> Impl_;
#endif
public:
Console();
~Console(); // NOLINT(performance-trivially-destructible)
Console(Console&&) noexcept;
Console(Console const&) = delete;
Console& operator=(Console&&) noexcept;
Console& operator=(Console const&) = delete;
};
}
}
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