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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/github.com/Azure/go-ansiterm/winterm
parent2b74391cd5281f6fdf391ff8ad50fd1490f6bf89 (diff)
downloadpodman-a031b83a09a8628435317a03f199cdc18b78262f.tar.gz
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podman-a031b83a09a8628435317a03f199cdc18b78262f.zip
Initial checkin from CRI-O repo
Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
Diffstat (limited to 'vendor/github.com/Azure/go-ansiterm/winterm')
-rw-r--r--vendor/github.com/Azure/go-ansiterm/winterm/ansi.go182
-rw-r--r--vendor/github.com/Azure/go-ansiterm/winterm/api.go322
-rw-r--r--vendor/github.com/Azure/go-ansiterm/winterm/attr_translation.go100
-rw-r--r--vendor/github.com/Azure/go-ansiterm/winterm/cursor_helpers.go101
-rw-r--r--vendor/github.com/Azure/go-ansiterm/winterm/erase_helpers.go84
-rw-r--r--vendor/github.com/Azure/go-ansiterm/winterm/scroll_helper.go118
-rw-r--r--vendor/github.com/Azure/go-ansiterm/winterm/utilities.go9
-rw-r--r--vendor/github.com/Azure/go-ansiterm/winterm/win_event_handler.go726
8 files changed, 1642 insertions, 0 deletions
diff --git a/vendor/github.com/Azure/go-ansiterm/winterm/ansi.go b/vendor/github.com/Azure/go-ansiterm/winterm/ansi.go
new file mode 100644
index 000000000..daf2f0696
--- /dev/null
+++ b/vendor/github.com/Azure/go-ansiterm/winterm/ansi.go
@@ -0,0 +1,182 @@
+// +build windows
+
+package winterm
+
+import (
+ "fmt"
+ "os"
+ "strconv"
+ "strings"
+ "syscall"
+
+ "github.com/Azure/go-ansiterm"
+)
+
+// Windows keyboard constants
+// See https://msdn.microsoft.com/en-us/library/windows/desktop/dd375731(v=vs.85).aspx.
+const (
+ VK_PRIOR = 0x21 // PAGE UP key
+ VK_NEXT = 0x22 // PAGE DOWN key
+ VK_END = 0x23 // END key
+ VK_HOME = 0x24 // HOME key
+ VK_LEFT = 0x25 // LEFT ARROW key
+ VK_UP = 0x26 // UP ARROW key
+ VK_RIGHT = 0x27 // RIGHT ARROW key
+ VK_DOWN = 0x28 // DOWN ARROW key
+ VK_SELECT = 0x29 // SELECT key
+ VK_PRINT = 0x2A // PRINT key
+ VK_EXECUTE = 0x2B // EXECUTE key
+ VK_SNAPSHOT = 0x2C // PRINT SCREEN key
+ VK_INSERT = 0x2D // INS key
+ VK_DELETE = 0x2E // DEL key
+ VK_HELP = 0x2F // HELP key
+ VK_F1 = 0x70 // F1 key
+ VK_F2 = 0x71 // F2 key
+ VK_F3 = 0x72 // F3 key
+ VK_F4 = 0x73 // F4 key
+ VK_F5 = 0x74 // F5 key
+ VK_F6 = 0x75 // F6 key
+ VK_F7 = 0x76 // F7 key
+ VK_F8 = 0x77 // F8 key
+ VK_F9 = 0x78 // F9 key
+ VK_F10 = 0x79 // F10 key
+ VK_F11 = 0x7A // F11 key
+ VK_F12 = 0x7B // F12 key
+
+ RIGHT_ALT_PRESSED = 0x0001
+ LEFT_ALT_PRESSED = 0x0002
+ RIGHT_CTRL_PRESSED = 0x0004
+ LEFT_CTRL_PRESSED = 0x0008
+ SHIFT_PRESSED = 0x0010
+ NUMLOCK_ON = 0x0020
+ SCROLLLOCK_ON = 0x0040
+ CAPSLOCK_ON = 0x0080
+ ENHANCED_KEY = 0x0100
+)
+
+type ansiCommand struct {
+ CommandBytes []byte
+ Command string
+ Parameters []string
+ IsSpecial bool
+}
+
+func newAnsiCommand(command []byte) *ansiCommand {
+
+ if isCharacterSelectionCmdChar(command[1]) {
+ // Is Character Set Selection commands
+ return &ansiCommand{
+ CommandBytes: command,
+ Command: string(command),
+ IsSpecial: true,
+ }
+ }
+
+ // last char is command character
+ lastCharIndex := len(command) - 1
+
+ ac := &ansiCommand{
+ CommandBytes: command,
+ Command: string(command[lastCharIndex]),
+ IsSpecial: false,
+ }
+
+ // more than a single escape
+ if lastCharIndex != 0 {
+ start := 1
+ // skip if double char escape sequence
+ if command[0] == ansiterm.ANSI_ESCAPE_PRIMARY && command[1] == ansiterm.ANSI_ESCAPE_SECONDARY {
+ start++
+ }
+ // convert this to GetNextParam method
+ ac.Parameters = strings.Split(string(command[start:lastCharIndex]), ansiterm.ANSI_PARAMETER_SEP)
+ }
+
+ return ac
+}
+
+func (ac *ansiCommand) paramAsSHORT(index int, defaultValue int16) int16 {
+ if index < 0 || index >= len(ac.Parameters) {
+ return defaultValue
+ }
+
+ param, err := strconv.ParseInt(ac.Parameters[index], 10, 16)
+ if err != nil {
+ return defaultValue
+ }
+
+ return int16(param)
+}
+
+func (ac *ansiCommand) String() string {
+ return fmt.Sprintf("0x%v \"%v\" (\"%v\")",
+ bytesToHex(ac.CommandBytes),
+ ac.Command,
+ strings.Join(ac.Parameters, "\",\""))
+}
+
+// isAnsiCommandChar returns true if the passed byte falls within the range of ANSI commands.
+// See http://manpages.ubuntu.com/manpages/intrepid/man4/console_codes.4.html.
+func isAnsiCommandChar(b byte) bool {
+ switch {
+ case ansiterm.ANSI_COMMAND_FIRST <= b && b <= ansiterm.ANSI_COMMAND_LAST && b != ansiterm.ANSI_ESCAPE_SECONDARY:
+ return true
+ case b == ansiterm.ANSI_CMD_G1 || b == ansiterm.ANSI_CMD_OSC || b == ansiterm.ANSI_CMD_DECPAM || b == ansiterm.ANSI_CMD_DECPNM:
+ // non-CSI escape sequence terminator
+ return true
+ case b == ansiterm.ANSI_CMD_STR_TERM || b == ansiterm.ANSI_BEL:
+ // String escape sequence terminator
+ return true
+ }
+ return false
+}
+
+func isXtermOscSequence(command []byte, current byte) bool {
+ return (len(command) >= 2 && command[0] == ansiterm.ANSI_ESCAPE_PRIMARY && command[1] == ansiterm.ANSI_CMD_OSC && current != ansiterm.ANSI_BEL)
+}
+
+func isCharacterSelectionCmdChar(b byte) bool {
+ return (b == ansiterm.ANSI_CMD_G0 || b == ansiterm.ANSI_CMD_G1 || b == ansiterm.ANSI_CMD_G2 || b == ansiterm.ANSI_CMD_G3)
+}
+
+// bytesToHex converts a slice of bytes to a human-readable string.
+func bytesToHex(b []byte) string {
+ hex := make([]string, len(b))
+ for i, ch := range b {
+ hex[i] = fmt.Sprintf("%X", ch)
+ }
+ return strings.Join(hex, "")
+}
+
+// ensureInRange adjusts the passed value, if necessary, to ensure it is within
+// the passed min / max range.
+func ensureInRange(n int16, min int16, max int16) int16 {
+ if n < min {
+ return min
+ } else if n > max {
+ return max
+ } else {
+ return n
+ }
+}
+
+func GetStdFile(nFile int) (*os.File, uintptr) {
+ var file *os.File
+ switch nFile {
+ case syscall.STD_INPUT_HANDLE:
+ file = os.Stdin
+ case syscall.STD_OUTPUT_HANDLE:
+ file = os.Stdout
+ case syscall.STD_ERROR_HANDLE:
+ file = os.Stderr
+ default:
+ panic(fmt.Errorf("Invalid standard handle identifier: %v", nFile))
+ }
+
+ fd, err := syscall.GetStdHandle(nFile)
+ if err != nil {
+ panic(fmt.Errorf("Invalid standard handle indentifier: %v -- %v", nFile, err))
+ }
+
+ return file, uintptr(fd)
+}
diff --git a/vendor/github.com/Azure/go-ansiterm/winterm/api.go b/vendor/github.com/Azure/go-ansiterm/winterm/api.go
new file mode 100644
index 000000000..462d92f8e
--- /dev/null
+++ b/vendor/github.com/Azure/go-ansiterm/winterm/api.go
@@ -0,0 +1,322 @@
+// +build windows
+
+package winterm
+
+import (
+ "fmt"
+ "syscall"
+ "unsafe"
+)
+
+//===========================================================================================================
+// IMPORTANT NOTE:
+//
+// The methods below make extensive use of the "unsafe" package to obtain the required pointers.
+// Beginning in Go 1.3, the garbage collector may release local variables (e.g., incoming arguments, stack
+// variables) the pointers reference *before* the API completes.
+//
+// As a result, in those cases, the code must hint that the variables remain in active by invoking the
+// dummy method "use" (see below). Newer versions of Go are planned to change the mechanism to no longer
+// require unsafe pointers.
+//
+// If you add or modify methods, ENSURE protection of local variables through the "use" builtin to inform
+// the garbage collector the variables remain in use if:
+//
+// -- The value is not a pointer (e.g., int32, struct)
+// -- The value is not referenced by the method after passing the pointer to Windows
+//
+// See http://golang.org/doc/go1.3.
+//===========================================================================================================
+
+var (
+ kernel32DLL = syscall.NewLazyDLL("kernel32.dll")
+
+ getConsoleCursorInfoProc = kernel32DLL.NewProc("GetConsoleCursorInfo")
+ setConsoleCursorInfoProc = kernel32DLL.NewProc("SetConsoleCursorInfo")
+ setConsoleCursorPositionProc = kernel32DLL.NewProc("SetConsoleCursorPosition")
+ setConsoleModeProc = kernel32DLL.NewProc("SetConsoleMode")
+ getConsoleScreenBufferInfoProc = kernel32DLL.NewProc("GetConsoleScreenBufferInfo")
+ setConsoleScreenBufferSizeProc = kernel32DLL.NewProc("SetConsoleScreenBufferSize")
+ scrollConsoleScreenBufferProc = kernel32DLL.NewProc("ScrollConsoleScreenBufferA")
+ setConsoleTextAttributeProc = kernel32DLL.NewProc("SetConsoleTextAttribute")
+ setConsoleWindowInfoProc = kernel32DLL.NewProc("SetConsoleWindowInfo")
+ writeConsoleOutputProc = kernel32DLL.NewProc("WriteConsoleOutputW")
+ readConsoleInputProc = kernel32DLL.NewProc("ReadConsoleInputW")
+ waitForSingleObjectProc = kernel32DLL.NewProc("WaitForSingleObject")
+)
+
+// Windows Console constants
+const (
+ // Console modes
+ // See https://msdn.microsoft.com/en-us/library/windows/desktop/ms686033(v=vs.85).aspx.
+ ENABLE_PROCESSED_INPUT = 0x0001
+ ENABLE_LINE_INPUT = 0x0002
+ ENABLE_ECHO_INPUT = 0x0004
+ ENABLE_WINDOW_INPUT = 0x0008
+ ENABLE_MOUSE_INPUT = 0x0010
+ ENABLE_INSERT_MODE = 0x0020
+ ENABLE_QUICK_EDIT_MODE = 0x0040
+ ENABLE_EXTENDED_FLAGS = 0x0080
+
+ ENABLE_PROCESSED_OUTPUT = 0x0001
+ ENABLE_WRAP_AT_EOL_OUTPUT = 0x0002
+
+ // Character attributes
+ // Note:
+ // -- The attributes are combined to produce various colors (e.g., Blue + Green will create Cyan).
+ // Clearing all foreground or background colors results in black; setting all creates white.
+ // See https://msdn.microsoft.com/en-us/library/windows/desktop/ms682088(v=vs.85).aspx#_win32_character_attributes.
+ FOREGROUND_BLUE uint16 = 0x0001
+ FOREGROUND_GREEN uint16 = 0x0002
+ FOREGROUND_RED uint16 = 0x0004
+ FOREGROUND_INTENSITY uint16 = 0x0008
+ FOREGROUND_MASK uint16 = 0x000F
+
+ BACKGROUND_BLUE uint16 = 0x0010
+ BACKGROUND_GREEN uint16 = 0x0020
+ BACKGROUND_RED uint16 = 0x0040
+ BACKGROUND_INTENSITY uint16 = 0x0080
+ BACKGROUND_MASK uint16 = 0x00F0
+
+ COMMON_LVB_MASK uint16 = 0xFF00
+ COMMON_LVB_REVERSE_VIDEO uint16 = 0x4000
+ COMMON_LVB_UNDERSCORE uint16 = 0x8000
+
+ // Input event types
+ // See https://msdn.microsoft.com/en-us/library/windows/desktop/ms683499(v=vs.85).aspx.
+ KEY_EVENT = 0x0001
+ MOUSE_EVENT = 0x0002
+ WINDOW_BUFFER_SIZE_EVENT = 0x0004
+ MENU_EVENT = 0x0008
+ FOCUS_EVENT = 0x0010
+
+ // WaitForSingleObject return codes
+ WAIT_ABANDONED = 0x00000080
+ WAIT_FAILED = 0xFFFFFFFF
+ WAIT_SIGNALED = 0x0000000
+ WAIT_TIMEOUT = 0x00000102
+
+ // WaitForSingleObject wait duration
+ WAIT_INFINITE = 0xFFFFFFFF
+ WAIT_ONE_SECOND = 1000
+ WAIT_HALF_SECOND = 500
+ WAIT_QUARTER_SECOND = 250
+)
+
+// Windows API Console types
+// -- See https://msdn.microsoft.com/en-us/library/windows/desktop/ms682101(v=vs.85).aspx for Console specific types (e.g., COORD)
+// -- See https://msdn.microsoft.com/en-us/library/aa296569(v=vs.60).aspx for comments on alignment
+type (
+ CHAR_INFO struct {
+ UnicodeChar uint16
+ Attributes uint16
+ }
+
+ CONSOLE_CURSOR_INFO struct {
+ Size uint32
+ Visible int32
+ }
+
+ CONSOLE_SCREEN_BUFFER_INFO struct {
+ Size COORD
+ CursorPosition COORD
+ Attributes uint16
+ Window SMALL_RECT
+ MaximumWindowSize COORD
+ }
+
+ COORD struct {
+ X int16
+ Y int16
+ }
+
+ SMALL_RECT struct {
+ Left int16
+ Top int16
+ Right int16
+ Bottom int16
+ }
+
+ // INPUT_RECORD is a C/C++ union of which KEY_EVENT_RECORD is one case, it is also the largest
+ // See https://msdn.microsoft.com/en-us/library/windows/desktop/ms683499(v=vs.85).aspx.
+ INPUT_RECORD struct {
+ EventType uint16
+ KeyEvent KEY_EVENT_RECORD
+ }
+
+ KEY_EVENT_RECORD struct {
+ KeyDown int32
+ RepeatCount uint16
+ VirtualKeyCode uint16
+ VirtualScanCode uint16
+ UnicodeChar uint16
+ ControlKeyState uint32
+ }
+
+ WINDOW_BUFFER_SIZE struct {
+ Size COORD
+ }
+)
+
+// boolToBOOL converts a Go bool into a Windows int32.
+func boolToBOOL(f bool) int32 {
+ if f {
+ return int32(1)
+ } else {
+ return int32(0)
+ }
+}
+
+// GetConsoleCursorInfo retrieves information about the size and visiblity of the console cursor.
+// See https://msdn.microsoft.com/en-us/library/windows/desktop/ms683163(v=vs.85).aspx.
+func GetConsoleCursorInfo(handle uintptr, cursorInfo *CONSOLE_CURSOR_INFO) error {
+ r1, r2, err := getConsoleCursorInfoProc.Call(handle, uintptr(unsafe.Pointer(cursorInfo)), 0)
+ return checkError(r1, r2, err)
+}
+
+// SetConsoleCursorInfo sets the size and visiblity of the console cursor.
+// See https://msdn.microsoft.com/en-us/library/windows/desktop/ms686019(v=vs.85).aspx.
+func SetConsoleCursorInfo(handle uintptr, cursorInfo *CONSOLE_CURSOR_INFO) error {
+ r1, r2, err := setConsoleCursorInfoProc.Call(handle, uintptr(unsafe.Pointer(cursorInfo)), 0)
+ return checkError(r1, r2, err)
+}
+
+// SetConsoleCursorPosition location of the console cursor.
+// See https://msdn.microsoft.com/en-us/library/windows/desktop/ms686025(v=vs.85).aspx.
+func SetConsoleCursorPosition(handle uintptr, coord COORD) error {
+ r1, r2, err := setConsoleCursorPositionProc.Call(handle, coordToPointer(coord))
+ use(coord)
+ return checkError(r1, r2, err)
+}
+
+// GetConsoleMode gets the console mode for given file descriptor
+// See http://msdn.microsoft.com/en-us/library/windows/desktop/ms683167(v=vs.85).aspx.
+func GetConsoleMode(handle uintptr) (mode uint32, err error) {
+ err = syscall.GetConsoleMode(syscall.Handle(handle), &mode)
+ return mode, err
+}
+
+// SetConsoleMode sets the console mode for given file descriptor
+// See http://msdn.microsoft.com/en-us/library/windows/desktop/ms686033(v=vs.85).aspx.
+func SetConsoleMode(handle uintptr, mode uint32) error {
+ r1, r2, err := setConsoleModeProc.Call(handle, uintptr(mode), 0)
+ use(mode)
+ return checkError(r1, r2, err)
+}
+
+// GetConsoleScreenBufferInfo retrieves information about the specified console screen buffer.
+// See http://msdn.microsoft.com/en-us/library/windows/desktop/ms683171(v=vs.85).aspx.
+func GetConsoleScreenBufferInfo(handle uintptr) (*CONSOLE_SCREEN_BUFFER_INFO, error) {
+ info := CONSOLE_SCREEN_BUFFER_INFO{}
+ err := checkError(getConsoleScreenBufferInfoProc.Call(handle, uintptr(unsafe.Pointer(&info)), 0))
+ if err != nil {
+ return nil, err
+ }
+ return &info, nil
+}
+
+func ScrollConsoleScreenBuffer(handle uintptr, scrollRect SMALL_RECT, clipRect SMALL_RECT, destOrigin COORD, char CHAR_INFO) error {
+ r1, r2, err := scrollConsoleScreenBufferProc.Call(handle, uintptr(unsafe.Pointer(&scrollRect)), uintptr(unsafe.Pointer(&clipRect)), coordToPointer(destOrigin), uintptr(unsafe.Pointer(&char)))
+ use(scrollRect)
+ use(clipRect)
+ use(destOrigin)
+ use(char)
+ return checkError(r1, r2, err)
+}
+
+// SetConsoleScreenBufferSize sets the size of the console screen buffer.
+// See https://msdn.microsoft.com/en-us/library/windows/desktop/ms686044(v=vs.85).aspx.
+func SetConsoleScreenBufferSize(handle uintptr, coord COORD) error {
+ r1, r2, err := setConsoleScreenBufferSizeProc.Call(handle, coordToPointer(coord))
+ use(coord)
+ return checkError(r1, r2, err)
+}
+
+// SetConsoleTextAttribute sets the attributes of characters written to the
+// console screen buffer by the WriteFile or WriteConsole function.
+// See http://msdn.microsoft.com/en-us/library/windows/desktop/ms686047(v=vs.85).aspx.
+func SetConsoleTextAttribute(handle uintptr, attribute uint16) error {
+ r1, r2, err := setConsoleTextAttributeProc.Call(handle, uintptr(attribute), 0)
+ use(attribute)
+ return checkError(r1, r2, err)
+}
+
+// SetConsoleWindowInfo sets the size and position of the console screen buffer's window.
+// Note that the size and location must be within and no larger than the backing console screen buffer.
+// See https://msdn.microsoft.com/en-us/library/windows/desktop/ms686125(v=vs.85).aspx.
+func SetConsoleWindowInfo(handle uintptr, isAbsolute bool, rect SMALL_RECT) error {
+ r1, r2, err := setConsoleWindowInfoProc.Call(handle, uintptr(boolToBOOL(isAbsolute)), uintptr(unsafe.Pointer(&rect)))
+ use(isAbsolute)
+ use(rect)
+ return checkError(r1, r2, err)
+}
+
+// WriteConsoleOutput writes the CHAR_INFOs from the provided buffer to the active console buffer.
+// See https://msdn.microsoft.com/en-us/library/windows/desktop/ms687404(v=vs.85).aspx.
+func WriteConsoleOutput(handle uintptr, buffer []CHAR_INFO, bufferSize COORD, bufferCoord COORD, writeRegion *SMALL_RECT) error {
+ r1, r2, err := writeConsoleOutputProc.Call(handle, uintptr(unsafe.Pointer(&buffer[0])), coordToPointer(bufferSize), coordToPointer(bufferCoord), uintptr(unsafe.Pointer(writeRegion)))
+ use(buffer)
+ use(bufferSize)
+ use(bufferCoord)
+ return checkError(r1, r2, err)
+}
+
+// ReadConsoleInput reads (and removes) data from the console input buffer.
+// See https://msdn.microsoft.com/en-us/library/windows/desktop/ms684961(v=vs.85).aspx.
+func ReadConsoleInput(handle uintptr, buffer []INPUT_RECORD, count *uint32) error {
+ r1, r2, err := readConsoleInputProc.Call(handle, uintptr(unsafe.Pointer(&buffer[0])), uintptr(len(buffer)), uintptr(unsafe.Pointer(count)))
+ use(buffer)
+ return checkError(r1, r2, err)
+}
+
+// WaitForSingleObject waits for the passed handle to be signaled.
+// It returns true if the handle was signaled; false otherwise.
+// See https://msdn.microsoft.com/en-us/library/windows/desktop/ms687032(v=vs.85).aspx.
+func WaitForSingleObject(handle uintptr, msWait uint32) (bool, error) {
+ r1, _, err := waitForSingleObjectProc.Call(handle, uintptr(uint32(msWait)))
+ switch r1 {
+ case WAIT_ABANDONED, WAIT_TIMEOUT:
+ return false, nil
+ case WAIT_SIGNALED:
+ return true, nil
+ }
+ use(msWait)
+ return false, err
+}
+
+// String helpers
+func (info CONSOLE_SCREEN_BUFFER_INFO) String() string {
+ return fmt.Sprintf("Size(%v) Cursor(%v) Window(%v) Max(%v)", info.Size, info.CursorPosition, info.Window, info.MaximumWindowSize)
+}
+
+func (coord COORD) String() string {
+ return fmt.Sprintf("%v,%v", coord.X, coord.Y)
+}
+
+func (rect SMALL_RECT) String() string {
+ return fmt.Sprintf("(%v,%v),(%v,%v)", rect.Left, rect.Top, rect.Right, rect.Bottom)
+}
+
+// checkError evaluates the results of a Windows API call and returns the error if it failed.
+func checkError(r1, r2 uintptr, err error) error {
+ // Windows APIs return non-zero to indicate success
+ if r1 != 0 {
+ return nil
+ }
+
+ // Return the error if provided, otherwise default to EINVAL
+ if err != nil {
+ return err
+ }
+ return syscall.EINVAL
+}
+
+// coordToPointer converts a COORD into a uintptr (by fooling the type system).
+func coordToPointer(c COORD) uintptr {
+ // Note: This code assumes the two SHORTs are correctly laid out; the "cast" to uint32 is just to get a pointer to pass.
+ return uintptr(*((*uint32)(unsafe.Pointer(&c))))
+}
+
+// use is a no-op, but the compiler cannot see that it is.
+// Calling use(p) ensures that p is kept live until that point.
+func use(p interface{}) {}
diff --git a/vendor/github.com/Azure/go-ansiterm/winterm/attr_translation.go b/vendor/github.com/Azure/go-ansiterm/winterm/attr_translation.go
new file mode 100644
index 000000000..cbec8f728
--- /dev/null
+++ b/vendor/github.com/Azure/go-ansiterm/winterm/attr_translation.go
@@ -0,0 +1,100 @@
+// +build windows
+
+package winterm
+
+import "github.com/Azure/go-ansiterm"
+
+const (
+ FOREGROUND_COLOR_MASK = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE
+ BACKGROUND_COLOR_MASK = BACKGROUND_RED | BACKGROUND_GREEN | BACKGROUND_BLUE
+)
+
+// collectAnsiIntoWindowsAttributes modifies the passed Windows text mode flags to reflect the
+// request represented by the passed ANSI mode.
+func collectAnsiIntoWindowsAttributes(windowsMode uint16, inverted bool, baseMode uint16, ansiMode int16) (uint16, bool) {
+ switch ansiMode {
+
+ // Mode styles
+ case ansiterm.ANSI_SGR_BOLD:
+ windowsMode = windowsMode | FOREGROUND_INTENSITY
+
+ case ansiterm.ANSI_SGR_DIM, ansiterm.ANSI_SGR_BOLD_DIM_OFF:
+ windowsMode &^= FOREGROUND_INTENSITY
+
+ case ansiterm.ANSI_SGR_UNDERLINE:
+ windowsMode = windowsMode | COMMON_LVB_UNDERSCORE
+
+ case ansiterm.ANSI_SGR_REVERSE:
+ inverted = true
+
+ case ansiterm.ANSI_SGR_REVERSE_OFF:
+ inverted = false
+
+ case ansiterm.ANSI_SGR_UNDERLINE_OFF:
+ windowsMode &^= COMMON_LVB_UNDERSCORE
+
+ // Foreground colors
+ case ansiterm.ANSI_SGR_FOREGROUND_DEFAULT:
+ windowsMode = (windowsMode &^ FOREGROUND_MASK) | (baseMode & FOREGROUND_MASK)
+
+ case ansiterm.ANSI_SGR_FOREGROUND_BLACK:
+ windowsMode = (windowsMode &^ FOREGROUND_COLOR_MASK)
+
+ case ansiterm.ANSI_SGR_FOREGROUND_RED:
+ windowsMode = (windowsMode &^ FOREGROUND_COLOR_MASK) | FOREGROUND_RED
+
+ case ansiterm.ANSI_SGR_FOREGROUND_GREEN:
+ windowsMode = (windowsMode &^ FOREGROUND_COLOR_MASK) | FOREGROUND_GREEN
+
+ case ansiterm.ANSI_SGR_FOREGROUND_YELLOW:
+ windowsMode = (windowsMode &^ FOREGROUND_COLOR_MASK) | FOREGROUND_RED | FOREGROUND_GREEN
+
+ case ansiterm.ANSI_SGR_FOREGROUND_BLUE:
+ windowsMode = (windowsMode &^ FOREGROUND_COLOR_MASK) | FOREGROUND_BLUE
+
+ case ansiterm.ANSI_SGR_FOREGROUND_MAGENTA:
+ windowsMode = (windowsMode &^ FOREGROUND_COLOR_MASK) | FOREGROUND_RED | FOREGROUND_BLUE
+
+ case ansiterm.ANSI_SGR_FOREGROUND_CYAN:
+ windowsMode = (windowsMode &^ FOREGROUND_COLOR_MASK) | FOREGROUND_GREEN | FOREGROUND_BLUE
+
+ case ansiterm.ANSI_SGR_FOREGROUND_WHITE:
+ windowsMode = (windowsMode &^ FOREGROUND_COLOR_MASK) | FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE
+
+ // Background colors
+ case ansiterm.ANSI_SGR_BACKGROUND_DEFAULT:
+ // Black with no intensity
+ windowsMode = (windowsMode &^ BACKGROUND_MASK) | (baseMode & BACKGROUND_MASK)
+
+ case ansiterm.ANSI_SGR_BACKGROUND_BLACK:
+ windowsMode = (windowsMode &^ BACKGROUND_COLOR_MASK)
+
+ case ansiterm.ANSI_SGR_BACKGROUND_RED:
+ windowsMode = (windowsMode &^ BACKGROUND_COLOR_MASK) | BACKGROUND_RED
+
+ case ansiterm.ANSI_SGR_BACKGROUND_GREEN:
+ windowsMode = (windowsMode &^ BACKGROUND_COLOR_MASK) | BACKGROUND_GREEN
+
+ case ansiterm.ANSI_SGR_BACKGROUND_YELLOW:
+ windowsMode = (windowsMode &^ BACKGROUND_COLOR_MASK) | BACKGROUND_RED | BACKGROUND_GREEN
+
+ case ansiterm.ANSI_SGR_BACKGROUND_BLUE:
+ windowsMode = (windowsMode &^ BACKGROUND_COLOR_MASK) | BACKGROUND_BLUE
+
+ case ansiterm.ANSI_SGR_BACKGROUND_MAGENTA:
+ windowsMode = (windowsMode &^ BACKGROUND_COLOR_MASK) | BACKGROUND_RED | BACKGROUND_BLUE
+
+ case ansiterm.ANSI_SGR_BACKGROUND_CYAN:
+ windowsMode = (windowsMode &^ BACKGROUND_COLOR_MASK) | BACKGROUND_GREEN | BACKGROUND_BLUE
+
+ case ansiterm.ANSI_SGR_BACKGROUND_WHITE:
+ windowsMode = (windowsMode &^ BACKGROUND_COLOR_MASK) | BACKGROUND_RED | BACKGROUND_GREEN | BACKGROUND_BLUE
+ }
+
+ return windowsMode, inverted
+}
+
+// invertAttributes inverts the foreground and background colors of a Windows attributes value
+func invertAttributes(windowsMode uint16) uint16 {
+ return (COMMON_LVB_MASK & windowsMode) | ((FOREGROUND_MASK & windowsMode) << 4) | ((BACKGROUND_MASK & windowsMode) >> 4)
+}
diff --git a/vendor/github.com/Azure/go-ansiterm/winterm/cursor_helpers.go b/vendor/github.com/Azure/go-ansiterm/winterm/cursor_helpers.go
new file mode 100644
index 000000000..f015723ad
--- /dev/null
+++ b/vendor/github.com/Azure/go-ansiterm/winterm/cursor_helpers.go
@@ -0,0 +1,101 @@
+// +build windows
+
+package winterm
+
+const (
+ horizontal = iota
+ vertical
+)
+
+func (h *windowsAnsiEventHandler) getCursorWindow(info *CONSOLE_SCREEN_BUFFER_INFO) SMALL_RECT {
+ if h.originMode {
+ sr := h.effectiveSr(info.Window)
+ return SMALL_RECT{
+ Top: sr.top,
+ Bottom: sr.bottom,
+ Left: 0,
+ Right: info.Size.X - 1,
+ }
+ } else {
+ return SMALL_RECT{
+ Top: info.Window.Top,
+ Bottom: info.Window.Bottom,
+ Left: 0,
+ Right: info.Size.X - 1,
+ }
+ }
+}
+
+// setCursorPosition sets the cursor to the specified position, bounded to the screen size
+func (h *windowsAnsiEventHandler) setCursorPosition(position COORD, window SMALL_RECT) error {
+ position.X = ensureInRange(position.X, window.Left, window.Right)
+ position.Y = ensureInRange(position.Y, window.Top, window.Bottom)
+ err := SetConsoleCursorPosition(h.fd, position)
+ if err != nil {
+ return err
+ }
+ logger.Infof("Cursor position set: (%d, %d)", position.X, position.Y)
+ return err
+}
+
+func (h *windowsAnsiEventHandler) moveCursorVertical(param int) error {
+ return h.moveCursor(vertical, param)
+}
+
+func (h *windowsAnsiEventHandler) moveCursorHorizontal(param int) error {
+ return h.moveCursor(horizontal, param)
+}
+
+func (h *windowsAnsiEventHandler) moveCursor(moveMode int, param int) error {
+ info, err := GetConsoleScreenBufferInfo(h.fd)
+ if err != nil {
+ return err
+ }
+
+ position := info.CursorPosition
+ switch moveMode {
+ case horizontal:
+ position.X += int16(param)
+ case vertical:
+ position.Y += int16(param)
+ }
+
+ if err = h.setCursorPosition(position, h.getCursorWindow(info)); err != nil {
+ return err
+ }
+
+ return nil
+}
+
+func (h *windowsAnsiEventHandler) moveCursorLine(param int) error {
+ info, err := GetConsoleScreenBufferInfo(h.fd)
+ if err != nil {
+ return err
+ }
+
+ position := info.CursorPosition
+ position.X = 0
+ position.Y += int16(param)
+
+ if err = h.setCursorPosition(position, h.getCursorWindow(info)); err != nil {
+ return err
+ }
+
+ return nil
+}
+
+func (h *windowsAnsiEventHandler) moveCursorColumn(param int) error {
+ info, err := GetConsoleScreenBufferInfo(h.fd)
+ if err != nil {
+ return err
+ }
+
+ position := info.CursorPosition
+ position.X = int16(param) - 1
+
+ if err = h.setCursorPosition(position, h.getCursorWindow(info)); err != nil {
+ return err
+ }
+
+ return nil
+}
diff --git a/vendor/github.com/Azure/go-ansiterm/winterm/erase_helpers.go b/vendor/github.com/Azure/go-ansiterm/winterm/erase_helpers.go
new file mode 100644
index 000000000..244b5fa25
--- /dev/null
+++ b/vendor/github.com/Azure/go-ansiterm/winterm/erase_helpers.go
@@ -0,0 +1,84 @@
+// +build windows
+
+package winterm
+
+import "github.com/Azure/go-ansiterm"
+
+func (h *windowsAnsiEventHandler) clearRange(attributes uint16, fromCoord COORD, toCoord COORD) error {
+ // Ignore an invalid (negative area) request
+ if toCoord.Y < fromCoord.Y {
+ return nil
+ }
+
+ var err error
+
+ var coordStart = COORD{}
+ var coordEnd = COORD{}
+
+ xCurrent, yCurrent := fromCoord.X, fromCoord.Y
+ xEnd, yEnd := toCoord.X, toCoord.Y
+
+ // Clear any partial initial line
+ if xCurrent > 0 {
+ coordStart.X, coordStart.Y = xCurrent, yCurrent
+ coordEnd.X, coordEnd.Y = xEnd, yCurrent
+
+ err = h.clearRect(attributes, coordStart, coordEnd)
+ if err != nil {
+ return err
+ }
+
+ xCurrent = 0
+ yCurrent += 1
+ }
+
+ // Clear intervening rectangular section
+ if yCurrent < yEnd {
+ coordStart.X, coordStart.Y = xCurrent, yCurrent
+ coordEnd.X, coordEnd.Y = xEnd, yEnd-1
+
+ err = h.clearRect(attributes, coordStart, coordEnd)
+ if err != nil {
+ return err
+ }
+
+ xCurrent = 0
+ yCurrent = yEnd
+ }
+
+ // Clear remaining partial ending line
+ coordStart.X, coordStart.Y = xCurrent, yCurrent
+ coordEnd.X, coordEnd.Y = xEnd, yEnd
+
+ err = h.clearRect(attributes, coordStart, coordEnd)
+ if err != nil {
+ return err
+ }
+
+ return nil
+}
+
+func (h *windowsAnsiEventHandler) clearRect(attributes uint16, fromCoord COORD, toCoord COORD) error {
+ region := SMALL_RECT{Top: fromCoord.Y, Left: fromCoord.X, Bottom: toCoord.Y, Right: toCoord.X}
+ width := toCoord.X - fromCoord.X + 1
+ height := toCoord.Y - fromCoord.Y + 1
+ size := uint32(width) * uint32(height)
+
+ if size <= 0 {
+ return nil
+ }
+
+ buffer := make([]CHAR_INFO, size)
+
+ char := CHAR_INFO{ansiterm.FILL_CHARACTER, attributes}
+ for i := 0; i < int(size); i++ {
+ buffer[i] = char
+ }
+
+ err := WriteConsoleOutput(h.fd, buffer, COORD{X: width, Y: height}, COORD{X: 0, Y: 0}, &region)
+ if err != nil {
+ return err
+ }
+
+ return nil
+}
diff --git a/vendor/github.com/Azure/go-ansiterm/winterm/scroll_helper.go b/vendor/github.com/Azure/go-ansiterm/winterm/scroll_helper.go
new file mode 100644
index 000000000..706d27057
--- /dev/null
+++ b/vendor/github.com/Azure/go-ansiterm/winterm/scroll_helper.go
@@ -0,0 +1,118 @@
+// +build windows
+
+package winterm
+
+// effectiveSr gets the current effective scroll region in buffer coordinates
+func (h *windowsAnsiEventHandler) effectiveSr(window SMALL_RECT) scrollRegion {
+ top := addInRange(window.Top, h.sr.top, window.Top, window.Bottom)
+ bottom := addInRange(window.Top, h.sr.bottom, window.Top, window.Bottom)
+ if top >= bottom {
+ top = window.Top
+ bottom = window.Bottom
+ }
+ return scrollRegion{top: top, bottom: bottom}
+}
+
+func (h *windowsAnsiEventHandler) scrollUp(param int) error {
+ info, err := GetConsoleScreenBufferInfo(h.fd)
+ if err != nil {
+ return err
+ }
+
+ sr := h.effectiveSr(info.Window)
+ return h.scroll(param, sr, info)
+}
+
+func (h *windowsAnsiEventHandler) scrollDown(param int) error {
+ return h.scrollUp(-param)
+}
+
+func (h *windowsAnsiEventHandler) deleteLines(param int) error {
+ info, err := GetConsoleScreenBufferInfo(h.fd)
+ if err != nil {
+ return err
+ }
+
+ start := info.CursorPosition.Y
+ sr := h.effectiveSr(info.Window)
+ // Lines cannot be inserted or deleted outside the scrolling region.
+ if start >= sr.top && start <= sr.bottom {
+ sr.top = start
+ return h.scroll(param, sr, info)
+ } else {
+ return nil
+ }
+}
+
+func (h *windowsAnsiEventHandler) insertLines(param int) error {
+ return h.deleteLines(-param)
+}
+
+// scroll scrolls the provided scroll region by param lines. The scroll region is in buffer coordinates.
+func (h *windowsAnsiEventHandler) scroll(param int, sr scrollRegion, info *CONSOLE_SCREEN_BUFFER_INFO) error {
+ logger.Infof("scroll: scrollTop: %d, scrollBottom: %d", sr.top, sr.bottom)
+ logger.Infof("scroll: windowTop: %d, windowBottom: %d", info.Window.Top, info.Window.Bottom)
+
+ // Copy from and clip to the scroll region (full buffer width)
+ scrollRect := SMALL_RECT{
+ Top: sr.top,
+ Bottom: sr.bottom,
+ Left: 0,
+ Right: info.Size.X - 1,
+ }
+
+ // Origin to which area should be copied
+ destOrigin := COORD{
+ X: 0,
+ Y: sr.top - int16(param),
+ }
+
+ char := CHAR_INFO{
+ UnicodeChar: ' ',
+ Attributes: h.attributes,
+ }
+
+ if err := ScrollConsoleScreenBuffer(h.fd, scrollRect, scrollRect, destOrigin, char); err != nil {
+ return err
+ }
+ return nil
+}
+
+func (h *windowsAnsiEventHandler) deleteCharacters(param int) error {
+ info, err := GetConsoleScreenBufferInfo(h.fd)
+ if err != nil {
+ return err
+ }
+ return h.scrollLine(param, info.CursorPosition, info)
+}
+
+func (h *windowsAnsiEventHandler) insertCharacters(param int) error {
+ return h.deleteCharacters(-param)
+}
+
+// scrollLine scrolls a line horizontally starting at the provided position by a number of columns.
+func (h *windowsAnsiEventHandler) scrollLine(columns int, position COORD, info *CONSOLE_SCREEN_BUFFER_INFO) error {
+ // Copy from and clip to the scroll region (full buffer width)
+ scrollRect := SMALL_RECT{
+ Top: position.Y,
+ Bottom: position.Y,
+ Left: position.X,
+ Right: info.Size.X - 1,
+ }
+
+ // Origin to which area should be copied
+ destOrigin := COORD{
+ X: position.X - int16(columns),
+ Y: position.Y,
+ }
+
+ char := CHAR_INFO{
+ UnicodeChar: ' ',
+ Attributes: h.attributes,
+ }
+
+ if err := ScrollConsoleScreenBuffer(h.fd, scrollRect, scrollRect, destOrigin, char); err != nil {
+ return err
+ }
+ return nil
+}
diff --git a/vendor/github.com/Azure/go-ansiterm/winterm/utilities.go b/vendor/github.com/Azure/go-ansiterm/winterm/utilities.go
new file mode 100644
index 000000000..afa7635d7
--- /dev/null
+++ b/vendor/github.com/Azure/go-ansiterm/winterm/utilities.go
@@ -0,0 +1,9 @@
+// +build windows
+
+package winterm
+
+// AddInRange increments a value by the passed quantity while ensuring the values
+// always remain within the supplied min / max range.
+func addInRange(n int16, increment int16, min int16, max int16) int16 {
+ return ensureInRange(n+increment, min, max)
+}
diff --git a/vendor/github.com/Azure/go-ansiterm/winterm/win_event_handler.go b/vendor/github.com/Azure/go-ansiterm/winterm/win_event_handler.go
new file mode 100644
index 000000000..48998bb05
--- /dev/null
+++ b/vendor/github.com/Azure/go-ansiterm/winterm/win_event_handler.go
@@ -0,0 +1,726 @@
+// +build windows
+
+package winterm
+
+import (
+ "bytes"
+ "io/ioutil"
+ "os"
+ "strconv"
+
+ "github.com/Azure/go-ansiterm"
+ "github.com/sirupsen/logrus"
+)
+
+var logger *logrus.Logger
+
+type windowsAnsiEventHandler struct {
+ fd uintptr
+ file *os.File
+ infoReset *CONSOLE_SCREEN_BUFFER_INFO
+ sr scrollRegion
+ buffer bytes.Buffer
+ attributes uint16
+ inverted bool
+ wrapNext bool
+ drewMarginByte bool
+ originMode bool
+ marginByte byte
+ curInfo *CONSOLE_SCREEN_BUFFER_INFO
+ curPos COORD
+}
+
+func CreateWinEventHandler(fd uintptr, file *os.File) ansiterm.AnsiEventHandler {
+ logFile := ioutil.Discard
+
+ if isDebugEnv := os.Getenv(ansiterm.LogEnv); isDebugEnv == "1" {
+ logFile, _ = os.Create("winEventHandler.log")
+ }
+
+ logger = &logrus.Logger{
+ Out: logFile,
+ Formatter: new(logrus.TextFormatter),
+ Level: logrus.DebugLevel,
+ }
+
+ infoReset, err := GetConsoleScreenBufferInfo(fd)
+ if err != nil {
+ return nil
+ }
+
+ return &windowsAnsiEventHandler{
+ fd: fd,
+ file: file,
+ infoReset: infoReset,
+ attributes: infoReset.Attributes,
+ }
+}
+
+type scrollRegion struct {
+ top int16
+ bottom int16
+}
+
+// simulateLF simulates a LF or CR+LF by scrolling if necessary to handle the
+// current cursor position and scroll region settings, in which case it returns
+// true. If no special handling is necessary, then it does nothing and returns
+// false.
+//
+// In the false case, the caller should ensure that a carriage return
+// and line feed are inserted or that the text is otherwise wrapped.
+func (h *windowsAnsiEventHandler) simulateLF(includeCR bool) (bool, error) {
+ if h.wrapNext {
+ if err := h.Flush(); err != nil {
+ return false, err
+ }
+ h.clearWrap()
+ }
+ pos, info, err := h.getCurrentInfo()
+ if err != nil {
+ return false, err
+ }
+ sr := h.effectiveSr(info.Window)
+ if pos.Y == sr.bottom {
+ // Scrolling is necessary. Let Windows automatically scroll if the scrolling region
+ // is the full window.
+ if sr.top == info.Window.Top && sr.bottom == info.Window.Bottom {
+ if includeCR {
+ pos.X = 0
+ h.updatePos(pos)
+ }
+ return false, nil
+ }
+
+ // A custom scroll region is active. Scroll the window manually to simulate
+ // the LF.
+ if err := h.Flush(); err != nil {
+ return false, err
+ }
+ logger.Info("Simulating LF inside scroll region")
+ if err := h.scrollUp(1); err != nil {
+ return false, err
+ }
+ if includeCR {
+ pos.X = 0
+ if err := SetConsoleCursorPosition(h.fd, pos); err != nil {
+ return false, err
+ }
+ }
+ return true, nil
+
+ } else if pos.Y < info.Window.Bottom {
+ // Let Windows handle the LF.
+ pos.Y++
+ if includeCR {
+ pos.X = 0
+ }
+ h.updatePos(pos)
+ return false, nil
+ } else {
+ // The cursor is at the bottom of the screen but outside the scroll
+ // region. Skip the LF.
+ logger.Info("Simulating LF outside scroll region")
+ if includeCR {
+ if err := h.Flush(); err != nil {
+ return false, err
+ }
+ pos.X = 0
+ if err := SetConsoleCursorPosition(h.fd, pos); err != nil {
+ return false, err
+ }
+ }
+ return true, nil
+ }
+}
+
+// executeLF executes a LF without a CR.
+func (h *windowsAnsiEventHandler) executeLF() error {
+ handled, err := h.simulateLF(false)
+ if err != nil {
+ return err
+ }
+ if !handled {
+ // Windows LF will reset the cursor column position. Write the LF
+ // and restore the cursor position.
+ pos, _, err := h.getCurrentInfo()
+ if err != nil {
+ return err
+ }
+ h.buffer.WriteByte(ansiterm.ANSI_LINE_FEED)
+ if pos.X != 0 {
+ if err := h.Flush(); err != nil {
+ return err
+ }
+ logger.Info("Resetting cursor position for LF without CR")
+ if err := SetConsoleCursorPosition(h.fd, pos); err != nil {
+ return err
+ }
+ }
+ }
+ return nil
+}
+
+func (h *windowsAnsiEventHandler) Print(b byte) error {
+ if h.wrapNext {
+ h.buffer.WriteByte(h.marginByte)
+ h.clearWrap()
+ if _, err := h.simulateLF(true); err != nil {
+ return err
+ }
+ }
+ pos, info, err := h.getCurrentInfo()
+ if err != nil {
+ return err
+ }
+ if pos.X == info.Size.X-1 {
+ h.wrapNext = true
+ h.marginByte = b
+ } else {
+ pos.X++
+ h.updatePos(pos)
+ h.buffer.WriteByte(b)
+ }
+ return nil
+}
+
+func (h *windowsAnsiEventHandler) Execute(b byte) error {
+ switch b {
+ case ansiterm.ANSI_TAB:
+ logger.Info("Execute(TAB)")
+ // Move to the next tab stop, but preserve auto-wrap if already set.
+ if !h.wrapNext {
+ pos, info, err := h.getCurrentInfo()
+ if err != nil {
+ return err
+ }
+ pos.X = (pos.X + 8) - pos.X%8
+ if pos.X >= info.Size.X {
+ pos.X = info.Size.X - 1
+ }
+ if err := h.Flush(); err != nil {
+ return err
+ }
+ if err := SetConsoleCursorPosition(h.fd, pos); err != nil {
+ return err
+ }
+ }
+ return nil
+
+ case ansiterm.ANSI_BEL:
+ h.buffer.WriteByte(ansiterm.ANSI_BEL)
+ return nil
+
+ case ansiterm.ANSI_BACKSPACE:
+ if h.wrapNext {
+ if err := h.Flush(); err != nil {
+ return err
+ }
+ h.clearWrap()
+ }
+ pos, _, err := h.getCurrentInfo()
+ if err != nil {
+ return err
+ }
+ if pos.X > 0 {
+ pos.X--
+ h.updatePos(pos)
+ h.buffer.WriteByte(ansiterm.ANSI_BACKSPACE)
+ }
+ return nil
+
+ case ansiterm.ANSI_VERTICAL_TAB, ansiterm.ANSI_FORM_FEED:
+ // Treat as true LF.
+ return h.executeLF()
+
+ case ansiterm.ANSI_LINE_FEED:
+ // Simulate a CR and LF for now since there is no way in go-ansiterm
+ // to tell if the LF should include CR (and more things break when it's
+ // missing than when it's incorrectly added).
+ handled, err := h.simulateLF(true)
+ if handled || err != nil {
+ return err
+ }
+ return h.buffer.WriteByte(ansiterm.ANSI_LINE_FEED)
+
+ case ansiterm.ANSI_CARRIAGE_RETURN:
+ if h.wrapNext {
+ if err := h.Flush(); err != nil {
+ return err
+ }
+ h.clearWrap()
+ }
+ pos, _, err := h.getCurrentInfo()
+ if err != nil {
+ return err
+ }
+ if pos.X != 0 {
+ pos.X = 0
+ h.updatePos(pos)
+ h.buffer.WriteByte(ansiterm.ANSI_CARRIAGE_RETURN)
+ }
+ return nil
+
+ default:
+ return nil
+ }
+}
+
+func (h *windowsAnsiEventHandler) CUU(param int) error {
+ if err := h.Flush(); err != nil {
+ return err
+ }
+ logger.Infof("CUU: [%v]", []string{strconv.Itoa(param)})
+ h.clearWrap()
+ return h.moveCursorVertical(-param)
+}
+
+func (h *windowsAnsiEventHandler) CUD(param int) error {
+ if err := h.Flush(); err != nil {
+ return err
+ }
+ logger.Infof("CUD: [%v]", []string{strconv.Itoa(param)})
+ h.clearWrap()
+ return h.moveCursorVertical(param)
+}
+
+func (h *windowsAnsiEventHandler) CUF(param int) error {
+ if err := h.Flush(); err != nil {
+ return err
+ }
+ logger.Infof("CUF: [%v]", []string{strconv.Itoa(param)})
+ h.clearWrap()
+ return h.moveCursorHorizontal(param)
+}
+
+func (h *windowsAnsiEventHandler) CUB(param int) error {
+ if err := h.Flush(); err != nil {
+ return err
+ }
+ logger.Infof("CUB: [%v]", []string{strconv.Itoa(param)})
+ h.clearWrap()
+ return h.moveCursorHorizontal(-param)
+}
+
+func (h *windowsAnsiEventHandler) CNL(param int) error {
+ if err := h.Flush(); err != nil {
+ return err
+ }
+ logger.Infof("CNL: [%v]", []string{strconv.Itoa(param)})
+ h.clearWrap()
+ return h.moveCursorLine(param)
+}
+
+func (h *windowsAnsiEventHandler) CPL(param int) error {
+ if err := h.Flush(); err != nil {
+ return err
+ }
+ logger.Infof("CPL: [%v]", []string{strconv.Itoa(param)})
+ h.clearWrap()
+ return h.moveCursorLine(-param)
+}
+
+func (h *windowsAnsiEventHandler) CHA(param int) error {
+ if err := h.Flush(); err != nil {
+ return err
+ }
+ logger.Infof("CHA: [%v]", []string{strconv.Itoa(param)})
+ h.clearWrap()
+ return h.moveCursorColumn(param)
+}
+
+func (h *windowsAnsiEventHandler) VPA(param int) error {
+ if err := h.Flush(); err != nil {
+ return err
+ }
+ logger.Infof("VPA: [[%d]]", param)
+ h.clearWrap()
+ info, err := GetConsoleScreenBufferInfo(h.fd)
+ if err != nil {
+ return err
+ }
+ window := h.getCursorWindow(info)
+ position := info.CursorPosition
+ position.Y = window.Top + int16(param) - 1
+ return h.setCursorPosition(position, window)
+}
+
+func (h *windowsAnsiEventHandler) CUP(row int, col int) error {
+ if err := h.Flush(); err != nil {
+ return err
+ }
+ logger.Infof("CUP: [[%d %d]]", row, col)
+ h.clearWrap()
+ info, err := GetConsoleScreenBufferInfo(h.fd)
+ if err != nil {
+ return err
+ }
+
+ window := h.getCursorWindow(info)
+ position := COORD{window.Left + int16(col) - 1, window.Top + int16(row) - 1}
+ return h.setCursorPosition(position, window)
+}
+
+func (h *windowsAnsiEventHandler) HVP(row int, col int) error {
+ if err := h.Flush(); err != nil {
+ return err
+ }
+ logger.Infof("HVP: [[%d %d]]", row, col)
+ h.clearWrap()
+ return h.CUP(row, col)
+}
+
+func (h *windowsAnsiEventHandler) DECTCEM(visible bool) error {
+ if err := h.Flush(); err != nil {
+ return err
+ }
+ logger.Infof("DECTCEM: [%v]", []string{strconv.FormatBool(visible)})
+ h.clearWrap()
+ return nil
+}
+
+func (h *windowsAnsiEventHandler) DECOM(enable bool) error {
+ if err := h.Flush(); err != nil {
+ return err
+ }
+ logger.Infof("DECOM: [%v]", []string{strconv.FormatBool(enable)})
+ h.clearWrap()
+ h.originMode = enable
+ return h.CUP(1, 1)
+}
+
+func (h *windowsAnsiEventHandler) DECCOLM(use132 bool) error {
+ if err := h.Flush(); err != nil {
+ return err
+ }
+ logger.Infof("DECCOLM: [%v]", []string{strconv.FormatBool(use132)})
+ h.clearWrap()
+ if err := h.ED(2); err != nil {
+ return err
+ }
+ info, err := GetConsoleScreenBufferInfo(h.fd)
+ if err != nil {
+ return err
+ }
+ targetWidth := int16(80)
+ if use132 {
+ targetWidth = 132
+ }
+ if info.Size.X < targetWidth {
+ if err := SetConsoleScreenBufferSize(h.fd, COORD{targetWidth, info.Size.Y}); err != nil {
+ logger.Info("set buffer failed:", err)
+ return err
+ }
+ }
+ window := info.Window
+ window.Left = 0
+ window.Right = targetWidth - 1
+ if err := SetConsoleWindowInfo(h.fd, true, window); err != nil {
+ logger.Info("set window failed:", err)
+ return err
+ }
+ if info.Size.X > targetWidth {
+ if err := SetConsoleScreenBufferSize(h.fd, COORD{targetWidth, info.Size.Y}); err != nil {
+ logger.Info("set buffer failed:", err)
+ return err
+ }
+ }
+ return SetConsoleCursorPosition(h.fd, COORD{0, 0})
+}
+
+func (h *windowsAnsiEventHandler) ED(param int) error {
+ if err := h.Flush(); err != nil {
+ return err
+ }
+ logger.Infof("ED: [%v]", []string{strconv.Itoa(param)})
+ h.clearWrap()
+
+ // [J -- Erases from the cursor to the end of the screen, including the cursor position.
+ // [1J -- Erases from the beginning of the screen to the cursor, including the cursor position.
+ // [2J -- Erases the complete display. The cursor does not move.
+ // Notes:
+ // -- Clearing the entire buffer, versus just the Window, works best for Windows Consoles
+
+ info, err := GetConsoleScreenBufferInfo(h.fd)
+ if err != nil {
+ return err
+ }
+
+ var start COORD
+ var end COORD
+
+ switch param {
+ case 0:
+ start = info.CursorPosition
+ end = COORD{info.Size.X - 1, info.Size.Y - 1}
+
+ case 1:
+ start = COORD{0, 0}
+ end = info.CursorPosition
+
+ case 2:
+ start = COORD{0, 0}
+ end = COORD{info.Size.X - 1, info.Size.Y - 1}
+ }
+
+ err = h.clearRange(h.attributes, start, end)
+ if err != nil {
+ return err
+ }
+
+ // If the whole buffer was cleared, move the window to the top while preserving
+ // the window-relative cursor position.
+ if param == 2 {
+ pos := info.CursorPosition
+ window := info.Window
+ pos.Y -= window.Top
+ window.Bottom -= window.Top
+ window.Top = 0
+ if err := SetConsoleCursorPosition(h.fd, pos); err != nil {
+ return err
+ }
+ if err := SetConsoleWindowInfo(h.fd, true, window); err != nil {
+ return err
+ }
+ }
+
+ return nil
+}
+
+func (h *windowsAnsiEventHandler) EL(param int) error {
+ if err := h.Flush(); err != nil {
+ return err
+ }
+ logger.Infof("EL: [%v]", strconv.Itoa(param))
+ h.clearWrap()
+
+ // [K -- Erases from the cursor to the end of the line, including the cursor position.
+ // [1K -- Erases from the beginning of the line to the cursor, including the cursor position.
+ // [2K -- Erases the complete line.
+
+ info, err := GetConsoleScreenBufferInfo(h.fd)
+ if err != nil {
+ return err
+ }
+
+ var start COORD
+ var end COORD
+
+ switch param {
+ case 0:
+ start = info.CursorPosition
+ end = COORD{info.Size.X, info.CursorPosition.Y}
+
+ case 1:
+ start = COORD{0, info.CursorPosition.Y}
+ end = info.CursorPosition
+
+ case 2:
+ start = COORD{0, info.CursorPosition.Y}
+ end = COORD{info.Size.X, info.CursorPosition.Y}
+ }
+
+ err = h.clearRange(h.attributes, start, end)
+ if err != nil {
+ return err
+ }
+
+ return nil
+}
+
+func (h *windowsAnsiEventHandler) IL(param int) error {
+ if err := h.Flush(); err != nil {
+ return err
+ }
+ logger.Infof("IL: [%v]", strconv.Itoa(param))
+ h.clearWrap()
+ return h.insertLines(param)
+}
+
+func (h *windowsAnsiEventHandler) DL(param int) error {
+ if err := h.Flush(); err != nil {
+ return err
+ }
+ logger.Infof("DL: [%v]", strconv.Itoa(param))
+ h.clearWrap()
+ return h.deleteLines(param)
+}
+
+func (h *windowsAnsiEventHandler) ICH(param int) error {
+ if err := h.Flush(); err != nil {
+ return err
+ }
+ logger.Infof("ICH: [%v]", strconv.Itoa(param))
+ h.clearWrap()
+ return h.insertCharacters(param)
+}
+
+func (h *windowsAnsiEventHandler) DCH(param int) error {
+ if err := h.Flush(); err != nil {
+ return err
+ }
+ logger.Infof("DCH: [%v]", strconv.Itoa(param))
+ h.clearWrap()
+ return h.deleteCharacters(param)
+}
+
+func (h *windowsAnsiEventHandler) SGR(params []int) error {
+ if err := h.Flush(); err != nil {
+ return err
+ }
+ strings := []string{}
+ for _, v := range params {
+ strings = append(strings, strconv.Itoa(v))
+ }
+
+ logger.Infof("SGR: [%v]", strings)
+
+ if len(params) <= 0 {
+ h.attributes = h.infoReset.Attributes
+ h.inverted = false
+ } else {
+ for _, attr := range params {
+
+ if attr == ansiterm.ANSI_SGR_RESET {
+ h.attributes = h.infoReset.Attributes
+ h.inverted = false
+ continue
+ }
+
+ h.attributes, h.inverted = collectAnsiIntoWindowsAttributes(h.attributes, h.inverted, h.infoReset.Attributes, int16(attr))
+ }
+ }
+
+ attributes := h.attributes
+ if h.inverted {
+ attributes = invertAttributes(attributes)
+ }
+ err := SetConsoleTextAttribute(h.fd, attributes)
+ if err != nil {
+ return err
+ }
+
+ return nil
+}
+
+func (h *windowsAnsiEventHandler) SU(param int) error {
+ if err := h.Flush(); err != nil {
+ return err
+ }
+ logger.Infof("SU: [%v]", []string{strconv.Itoa(param)})
+ h.clearWrap()
+ return h.scrollUp(param)
+}
+
+func (h *windowsAnsiEventHandler) SD(param int) error {
+ if err := h.Flush(); err != nil {
+ return err
+ }
+ logger.Infof("SD: [%v]", []string{strconv.Itoa(param)})
+ h.clearWrap()
+ return h.scrollDown(param)
+}
+
+func (h *windowsAnsiEventHandler) DA(params []string) error {
+ logger.Infof("DA: [%v]", params)
+ // DA cannot be implemented because it must send data on the VT100 input stream,
+ // which is not available to go-ansiterm.
+ return nil
+}
+
+func (h *windowsAnsiEventHandler) DECSTBM(top int, bottom int) error {
+ if err := h.Flush(); err != nil {
+ return err
+ }
+ logger.Infof("DECSTBM: [%d, %d]", top, bottom)
+
+ // Windows is 0 indexed, Linux is 1 indexed
+ h.sr.top = int16(top - 1)
+ h.sr.bottom = int16(bottom - 1)
+
+ // This command also moves the cursor to the origin.
+ h.clearWrap()
+ return h.CUP(1, 1)
+}
+
+func (h *windowsAnsiEventHandler) RI() error {
+ if err := h.Flush(); err != nil {
+ return err
+ }
+ logger.Info("RI: []")
+ h.clearWrap()
+
+ info, err := GetConsoleScreenBufferInfo(h.fd)
+ if err != nil {
+ return err
+ }
+
+ sr := h.effectiveSr(info.Window)
+ if info.CursorPosition.Y == sr.top {
+ return h.scrollDown(1)
+ }
+
+ return h.moveCursorVertical(-1)
+}
+
+func (h *windowsAnsiEventHandler) IND() error {
+ logger.Info("IND: []")
+ return h.executeLF()
+}
+
+func (h *windowsAnsiEventHandler) Flush() error {
+ h.curInfo = nil
+ if h.buffer.Len() > 0 {
+ logger.Infof("Flush: [%s]", h.buffer.Bytes())
+ if _, err := h.buffer.WriteTo(h.file); err != nil {
+ return err
+ }
+ }
+
+ if h.wrapNext && !h.drewMarginByte {
+ logger.Infof("Flush: drawing margin byte '%c'", h.marginByte)
+
+ info, err := GetConsoleScreenBufferInfo(h.fd)
+ if err != nil {
+ return err
+ }
+
+ charInfo := []CHAR_INFO{{UnicodeChar: uint16(h.marginByte), Attributes: info.Attributes}}
+ size := COORD{1, 1}
+ position := COORD{0, 0}
+ region := SMALL_RECT{Left: info.CursorPosition.X, Top: info.CursorPosition.Y, Right: info.CursorPosition.X, Bottom: info.CursorPosition.Y}
+ if err := WriteConsoleOutput(h.fd, charInfo, size, position, &region); err != nil {
+ return err
+ }
+ h.drewMarginByte = true
+ }
+ return nil
+}
+
+// cacheConsoleInfo ensures that the current console screen information has been queried
+// since the last call to Flush(). It must be called before accessing h.curInfo or h.curPos.
+func (h *windowsAnsiEventHandler) getCurrentInfo() (COORD, *CONSOLE_SCREEN_BUFFER_INFO, error) {
+ if h.curInfo == nil {
+ info, err := GetConsoleScreenBufferInfo(h.fd)
+ if err != nil {
+ return COORD{}, nil, err
+ }
+ h.curInfo = info
+ h.curPos = info.CursorPosition
+ }
+ return h.curPos, h.curInfo, nil
+}
+
+func (h *windowsAnsiEventHandler) updatePos(pos COORD) {
+ if h.curInfo == nil {
+ panic("failed to call getCurrentInfo before calling updatePos")
+ }
+ h.curPos = pos
+}
+
+// clearWrap clears the state where the cursor is in the margin
+// waiting for the next character before wrapping the line. This must
+// be done before most operations that act on the cursor.
+func (h *windowsAnsiEventHandler) clearWrap() {
+ h.wrapNext = false
+ h.drewMarginByte = false
+}