mirror of
https://github.com/wpilibsuite/allwpilib
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e2314f3528
- Provide an EventLoopRunner to run uv::Loop on a separate thread. - Add raw_ostream wrapper for uv::Buffer.
89 lines
2.5 KiB
C++
89 lines
2.5 KiB
C++
/*----------------------------------------------------------------------------*/
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/* Copyright (c) 2018 FIRST. All Rights Reserved. */
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/* Open Source Software - may be modified and shared by FRC teams. The code */
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/* must be accompanied by the FIRST BSD license file in the root directory of */
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/* the project. */
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/*----------------------------------------------------------------------------*/
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#ifndef WPIUTIL_WPI_UV_TTY_H_
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#define WPIUTIL_WPI_UV_TTY_H_
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#include <uv.h>
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#include <memory>
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#include <utility>
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#include "wpi/uv/Stream.h"
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namespace wpi {
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namespace uv {
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class Loop;
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class Tty;
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/**
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* TTY handle.
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* TTY handles represent a stream for the console.
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*/
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class Tty final : public StreamImpl<Tty, uv_tty_t> {
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struct private_init {};
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public:
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explicit Tty(const private_init&) {}
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~Tty() noexcept override = default;
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/**
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* Create a TTY handle.
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*
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* @param loop Loop object where this handle runs.
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* @param fd File descriptor, usually 0=stdin, 1=stdout, 2=stderr
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* @param readable Specifies if you plan on calling StartRead(). stdin is
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* readable, stdout is not.
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*/
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static std::shared_ptr<Tty> Create(Loop& loop, uv_file fd, bool readable);
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/**
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* Create a TTY handle.
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*
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* @param loop Loop object where this handle runs.
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* @param fd File descriptor, usually 0=stdin, 1=stdout, 2=stderr
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* @param readable Specifies if you plan on calling StartRead(). stdin is
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* readable, stdout is not.
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*/
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static std::shared_ptr<Tty> Create(const std::shared_ptr<Loop>& loop,
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uv_file fd, bool readable) {
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return Create(*loop, fd, readable);
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}
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/**
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* Set the TTY using the specified terminal mode.
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*
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* @param mode terminal mode
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*/
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void SetMode(uv_tty_mode_t mode) {
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int err = uv_tty_set_mode(GetRaw(), mode);
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if (err < 0) ReportError(err);
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}
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/**
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* Reset TTY settings to default values for the next process to take over.
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* Typically called when the program exits.
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*/
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void ResetMode() { Invoke(&uv_tty_reset_mode); }
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/**
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* Gets the current window size.
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* @return Window size (pair of width and height).
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*/
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std::pair<int, int> GetWindowSize() {
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int width = 0, height = 0;
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Invoke(&uv_tty_get_winsize, GetRaw(), &width, &height);
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return std::make_pair(width, height);
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}
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};
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} // namespace uv
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} // namespace wpi
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#endif // WPIUTIL_WPI_UV_TTY_H_
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