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vendor: github.com/moby/term v0.5.0

Browse Source 
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Sebastiaan van Stijn
2023-05-16 19:06:36 +01:00
parent 4429ccbcc2
commit 75b5c6560f
13 changed files with 221 additions and 207 deletions
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99
vendor/github.com/moby/term/term_windows.go generated vendored
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@ -1,6 +1,7 @@
package term
import (
"fmt"
"io"
"os"
"os/signal"
@ -9,22 +10,15 @@ import (
"golang.org/x/sys/windows"
)
// State holds the console mode for the terminal.
type State struct {
// terminalState holds the platform-specific state / console mode for the terminal.
type terminalState struct {
mode uint32
}
// Winsize is used for window size.
type Winsize struct {
Height uint16
Width uint16
}
// vtInputSupported is true if winterm.ENABLE_VIRTUAL_TERMINAL_INPUT is supported by the console
var vtInputSupported bool
// StdStreams returns the standard streams (stdin, stdout, stderr).
func StdStreams() (stdIn io.ReadCloser, stdOut, stdErr io.Writer) {
func stdStreams() (stdIn io.ReadCloser, stdOut, stdErr io.Writer) {
// Turn on VT handling on all std handles, if possible. This might
// fail, in which case we will fall back to terminal emulation.
var (
@ -87,16 +81,14 @@ func StdStreams() (stdIn io.ReadCloser, stdOut, stdErr io.Writer) {
stdErr = os.Stderr
}
return
return stdIn, stdOut, stdErr
}
// GetFdInfo returns the file descriptor for an os.File and indicates whether the file represents a terminal.
func GetFdInfo(in interface{}) (uintptr, bool) {
func getFdInfo(in interface{}) (uintptr, bool) {
return windowsconsole.GetHandleInfo(in)
}
// GetWinsize returns the window size based on the specified file descriptor.
func GetWinsize(fd uintptr) (*Winsize, error) {
func getWinsize(fd uintptr) (*Winsize, error) {
var info windows.ConsoleScreenBufferInfo
if err := windows.GetConsoleScreenBufferInfo(windows.Handle(fd), &info); err != nil {
return nil, err
@ -110,21 +102,21 @@ func GetWinsize(fd uintptr) (*Winsize, error) {
return winsize, nil
}
// IsTerminal returns true if the given file descriptor is a terminal.
func IsTerminal(fd uintptr) bool {
func setWinsize(fd uintptr, ws *Winsize) error {
return fmt.Errorf("not implemented on Windows")
}
func isTerminal(fd uintptr) bool {
var mode uint32
err := windows.GetConsoleMode(windows.Handle(fd), &mode)
return err == nil
}
// RestoreTerminal restores the terminal connected to the given file descriptor
// to a previous state.
func RestoreTerminal(fd uintptr, state *State) error {
func restoreTerminal(fd uintptr, state *State) error {
return windows.SetConsoleMode(windows.Handle(fd), state.mode)
}
// SaveState saves the state of the terminal connected to the given file descriptor.
func SaveState(fd uintptr) (*State, error) {
func saveState(fd uintptr) (*State, error) {
var mode uint32
if err := windows.GetConsoleMode(windows.Handle(fd), &mode); err != nil {
@ -134,9 +126,8 @@ func SaveState(fd uintptr) (*State, error) {
return &State{mode: mode}, nil
}
// DisableEcho disables echo for the terminal connected to the given file descriptor.
// -- See https://msdn.microsoft.com/en-us/library/windows/desktop/ms683462(v=vs.85).aspx
func DisableEcho(fd uintptr, state *State) error {
func disableEcho(fd uintptr, state *State) error {
// See https://msdn.microsoft.com/en-us/library/windows/desktop/ms683462(v=vs.85).aspx
mode := state.mode
mode &^= windows.ENABLE_ECHO_INPUT
mode |= windows.ENABLE_PROCESSED_INPUT | windows.ENABLE_LINE_INPUT
@ -150,69 +141,27 @@ func DisableEcho(fd uintptr, state *State) error {
return nil
}
// SetRawTerminal puts the terminal connected to the given file descriptor into
// raw mode and returns the previous state. On UNIX, this puts both the input
// and output into raw mode. On Windows, it only puts the input into raw mode.
func SetRawTerminal(fd uintptr) (*State, error) {
state, err := MakeRaw(fd)
func setRawTerminal(fd uintptr) (*State, error) {
oldState, err := MakeRaw(fd)
if err != nil {
return nil, err
}
// Register an interrupt handler to catch and restore prior state
restoreAtInterrupt(fd, state)
return state, err
restoreAtInterrupt(fd, oldState)
return oldState, err
}
// SetRawTerminalOutput puts the output of terminal connected to the given file
// descriptor into raw mode. On UNIX, this does nothing and returns nil for the
// state. On Windows, it disables LF -> CRLF translation.
func SetRawTerminalOutput(fd uintptr) (*State, error) {
state, err := SaveState(fd)
func setRawTerminalOutput(fd uintptr) (*State, error) {
oldState, err := saveState(fd)
if err != nil {
return nil, err
}
// Ignore failures, since winterm.DISABLE_NEWLINE_AUTO_RETURN might not be supported on this
// version of Windows.
_ = windows.SetConsoleMode(windows.Handle(fd), state.mode|windows.DISABLE_NEWLINE_AUTO_RETURN)
return state, err
}
// MakeRaw puts the terminal (Windows Console) connected to the given file descriptor into raw
// mode and returns the previous state of the terminal so that it can be restored.
func MakeRaw(fd uintptr) (*State, error) {
state, err := SaveState(fd)
if err != nil {
return nil, err
}
mode := state.mode
// See
// -- https://msdn.microsoft.com/en-us/library/windows/desktop/ms686033(v=vs.85).aspx
// -- https://msdn.microsoft.com/en-us/library/windows/desktop/ms683462(v=vs.85).aspx
// Disable these modes
mode &^= windows.ENABLE_ECHO_INPUT
mode &^= windows.ENABLE_LINE_INPUT
mode &^= windows.ENABLE_MOUSE_INPUT
mode &^= windows.ENABLE_WINDOW_INPUT
mode &^= windows.ENABLE_PROCESSED_INPUT
// Enable these modes
mode |= windows.ENABLE_EXTENDED_FLAGS
mode |= windows.ENABLE_INSERT_MODE
mode |= windows.ENABLE_QUICK_EDIT_MODE
if vtInputSupported {
mode |= windows.ENABLE_VIRTUAL_TERMINAL_INPUT
}
err = windows.SetConsoleMode(windows.Handle(fd), mode)
if err != nil {
return nil, err
}
return state, nil
_ = windows.SetConsoleMode(windows.Handle(fd), oldState.mode|windows.DISABLE_NEWLINE_AUTO_RETURN)
return oldState, err
}
func restoreAtInterrupt(fd uintptr, state *State) {