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authorMatthew Heon <matthew.heon@gmail.com>2017-11-01 11:24:59 -0400
committerMatthew Heon <matthew.heon@gmail.com>2017-11-01 11:24:59 -0400
commita031b83a09a8628435317a03f199cdc18b78262f (patch)
treebc017a96769ce6de33745b8b0b1304ccf38e9df0 /vendor/gopkg.in/cheggaaa/pb.v1/pb_win.go
parent2b74391cd5281f6fdf391ff8ad50fd1490f6bf89 (diff)
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Initial checkin from CRI-O repo
Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
Diffstat (limited to 'vendor/gopkg.in/cheggaaa/pb.v1/pb_win.go')
-rw-r--r--vendor/gopkg.in/cheggaaa/pb.v1/pb_win.go141
1 files changed, 141 insertions, 0 deletions
diff --git a/vendor/gopkg.in/cheggaaa/pb.v1/pb_win.go b/vendor/gopkg.in/cheggaaa/pb.v1/pb_win.go
new file mode 100644
index 000000000..72f682835
--- /dev/null
+++ b/vendor/gopkg.in/cheggaaa/pb.v1/pb_win.go
@@ -0,0 +1,141 @@
+// +build windows
+
+package pb
+
+import (
+ "errors"
+ "fmt"
+ "os"
+ "sync"
+ "syscall"
+ "unsafe"
+)
+
+var tty = os.Stdin
+
+var (
+ kernel32 = syscall.NewLazyDLL("kernel32.dll")
+
+ // GetConsoleScreenBufferInfo retrieves information about the
+ // specified console screen buffer.
+ // http://msdn.microsoft.com/en-us/library/windows/desktop/ms683171(v=vs.85).aspx
+ procGetConsoleScreenBufferInfo = kernel32.NewProc("GetConsoleScreenBufferInfo")
+
+ // GetConsoleMode retrieves the current input mode of a console's
+ // input buffer or the current output mode of a console screen buffer.
+ // https://msdn.microsoft.com/en-us/library/windows/desktop/ms683167(v=vs.85).aspx
+ getConsoleMode = kernel32.NewProc("GetConsoleMode")
+
+ // SetConsoleMode sets the input mode of a console's input buffer
+ // or the output mode of a console screen buffer.
+ // https://msdn.microsoft.com/en-us/library/windows/desktop/ms686033(v=vs.85).aspx
+ setConsoleMode = kernel32.NewProc("SetConsoleMode")
+
+ // SetConsoleCursorPosition sets the cursor position in the
+ // specified console screen buffer.
+ // https://msdn.microsoft.com/en-us/library/windows/desktop/ms686025(v=vs.85).aspx
+ setConsoleCursorPosition = kernel32.NewProc("SetConsoleCursorPosition")
+)
+
+type (
+ // Defines the coordinates of the upper left and lower right corners
+ // of a rectangle.
+ // See
+ // http://msdn.microsoft.com/en-us/library/windows/desktop/ms686311(v=vs.85).aspx
+ smallRect struct {
+ Left, Top, Right, Bottom int16
+ }
+
+ // Defines the coordinates of a character cell in a console screen
+ // buffer. The origin of the coordinate system (0,0) is at the top, left cell
+ // of the buffer.
+ // See
+ // http://msdn.microsoft.com/en-us/library/windows/desktop/ms682119(v=vs.85).aspx
+ coordinates struct {
+ X, Y int16
+ }
+
+ word int16
+
+ // Contains information about a console screen buffer.
+ // http://msdn.microsoft.com/en-us/library/windows/desktop/ms682093(v=vs.85).aspx
+ consoleScreenBufferInfo struct {
+ dwSize coordinates
+ dwCursorPosition coordinates
+ wAttributes word
+ srWindow smallRect
+ dwMaximumWindowSize coordinates
+ }
+)
+
+// terminalWidth returns width of the terminal.
+func terminalWidth() (width int, err error) {
+ var info consoleScreenBufferInfo
+ _, _, e := syscall.Syscall(procGetConsoleScreenBufferInfo.Addr(), 2, uintptr(syscall.Stdout), uintptr(unsafe.Pointer(&info)), 0)
+ if e != 0 {
+ return 0, error(e)
+ }
+ return int(info.dwSize.X) - 1, nil
+}
+
+func getCursorPos() (pos coordinates, err error) {
+ var info consoleScreenBufferInfo
+ _, _, e := syscall.Syscall(procGetConsoleScreenBufferInfo.Addr(), 2, uintptr(syscall.Stdout), uintptr(unsafe.Pointer(&info)), 0)
+ if e != 0 {
+ return info.dwCursorPosition, error(e)
+ }
+ return info.dwCursorPosition, nil
+}
+
+func setCursorPos(pos coordinates) error {
+ _, _, e := syscall.Syscall(setConsoleCursorPosition.Addr(), 2, uintptr(syscall.Stdout), uintptr(uint32(uint16(pos.Y))<<16|uint32(uint16(pos.X))), 0)
+ if e != 0 {
+ return error(e)
+ }
+ return nil
+}
+
+var ErrPoolWasStarted = errors.New("Bar pool was started")
+
+var echoLocked bool
+var echoLockMutex sync.Mutex
+
+var oldState word
+
+func lockEcho() (quit chan int, err error) {
+ echoLockMutex.Lock()
+ defer echoLockMutex.Unlock()
+ if echoLocked {
+ err = ErrPoolWasStarted
+ return
+ }
+ echoLocked = true
+
+ if _, _, e := syscall.Syscall(getConsoleMode.Addr(), 2, uintptr(syscall.Stdout), uintptr(unsafe.Pointer(&oldState)), 0); e != 0 {
+ err = fmt.Errorf("Can't get terminal settings: %v", e)
+ return
+ }
+
+ newState := oldState
+ const ENABLE_ECHO_INPUT = 0x0004
+ const ENABLE_LINE_INPUT = 0x0002
+ newState = newState & (^(ENABLE_LINE_INPUT | ENABLE_ECHO_INPUT))
+ if _, _, e := syscall.Syscall(setConsoleMode.Addr(), 2, uintptr(syscall.Stdout), uintptr(newState), 0); e != 0 {
+ err = fmt.Errorf("Can't set terminal settings: %v", e)
+ return
+ }
+ return
+}
+
+func unlockEcho() (err error) {
+ echoLockMutex.Lock()
+ defer echoLockMutex.Unlock()
+ if !echoLocked {
+ return
+ }
+ echoLocked = false
+ if _, _, e := syscall.Syscall(setConsoleMode.Addr(), 2, uintptr(syscall.Stdout), uintptr(oldState), 0); e != 0 {
+ err = fmt.Errorf("Can't set terminal settings")
+ }
+ return
+}