mirror of
https://github.com/k3s-io/kubernetes.git
synced 2025-10-31 13:50:01 +00:00
189 lines
6.0 KiB
Go
189 lines
6.0 KiB
Go
package ansiterm
|
|
|
|
const LogEnv = "DEBUG_TERMINAL"
|
|
|
|
// ANSI constants
|
|
// References:
|
|
// -- http://www.ecma-international.org/publications/standards/Ecma-048.htm
|
|
// -- http://man7.org/linux/man-pages/man4/console_codes.4.html
|
|
// -- http://manpages.ubuntu.com/manpages/intrepid/man4/console_codes.4.html
|
|
// -- http://en.wikipedia.org/wiki/ANSI_escape_code
|
|
// -- http://vt100.net/emu/dec_ansi_parser
|
|
// -- http://vt100.net/emu/vt500_parser.svg
|
|
// -- http://invisible-island.net/xterm/ctlseqs/ctlseqs.html
|
|
// -- http://www.inwap.com/pdp10/ansicode.txt
|
|
const (
|
|
// ECMA-48 Set Graphics Rendition
|
|
// Note:
|
|
// -- Constants leading with an underscore (e.g., _ANSI_xxx) are unsupported or reserved
|
|
// -- Fonts could possibly be supported via SetCurrentConsoleFontEx
|
|
// -- Windows does not expose the per-window cursor (i.e., caret) blink times
|
|
ANSI_SGR_RESET = 0
|
|
ANSI_SGR_BOLD = 1
|
|
ANSI_SGR_DIM = 2
|
|
_ANSI_SGR_ITALIC = 3
|
|
ANSI_SGR_UNDERLINE = 4
|
|
_ANSI_SGR_BLINKSLOW = 5
|
|
_ANSI_SGR_BLINKFAST = 6
|
|
ANSI_SGR_REVERSE = 7
|
|
_ANSI_SGR_INVISIBLE = 8
|
|
_ANSI_SGR_LINETHROUGH = 9
|
|
_ANSI_SGR_FONT_00 = 10
|
|
_ANSI_SGR_FONT_01 = 11
|
|
_ANSI_SGR_FONT_02 = 12
|
|
_ANSI_SGR_FONT_03 = 13
|
|
_ANSI_SGR_FONT_04 = 14
|
|
_ANSI_SGR_FONT_05 = 15
|
|
_ANSI_SGR_FONT_06 = 16
|
|
_ANSI_SGR_FONT_07 = 17
|
|
_ANSI_SGR_FONT_08 = 18
|
|
_ANSI_SGR_FONT_09 = 19
|
|
_ANSI_SGR_FONT_10 = 20
|
|
_ANSI_SGR_DOUBLEUNDERLINE = 21
|
|
ANSI_SGR_BOLD_DIM_OFF = 22
|
|
_ANSI_SGR_ITALIC_OFF = 23
|
|
ANSI_SGR_UNDERLINE_OFF = 24
|
|
_ANSI_SGR_BLINK_OFF = 25
|
|
_ANSI_SGR_RESERVED_00 = 26
|
|
ANSI_SGR_REVERSE_OFF = 27
|
|
_ANSI_SGR_INVISIBLE_OFF = 28
|
|
_ANSI_SGR_LINETHROUGH_OFF = 29
|
|
ANSI_SGR_FOREGROUND_BLACK = 30
|
|
ANSI_SGR_FOREGROUND_RED = 31
|
|
ANSI_SGR_FOREGROUND_GREEN = 32
|
|
ANSI_SGR_FOREGROUND_YELLOW = 33
|
|
ANSI_SGR_FOREGROUND_BLUE = 34
|
|
ANSI_SGR_FOREGROUND_MAGENTA = 35
|
|
ANSI_SGR_FOREGROUND_CYAN = 36
|
|
ANSI_SGR_FOREGROUND_WHITE = 37
|
|
_ANSI_SGR_RESERVED_01 = 38
|
|
ANSI_SGR_FOREGROUND_DEFAULT = 39
|
|
ANSI_SGR_BACKGROUND_BLACK = 40
|
|
ANSI_SGR_BACKGROUND_RED = 41
|
|
ANSI_SGR_BACKGROUND_GREEN = 42
|
|
ANSI_SGR_BACKGROUND_YELLOW = 43
|
|
ANSI_SGR_BACKGROUND_BLUE = 44
|
|
ANSI_SGR_BACKGROUND_MAGENTA = 45
|
|
ANSI_SGR_BACKGROUND_CYAN = 46
|
|
ANSI_SGR_BACKGROUND_WHITE = 47
|
|
_ANSI_SGR_RESERVED_02 = 48
|
|
ANSI_SGR_BACKGROUND_DEFAULT = 49
|
|
// 50 - 65: Unsupported
|
|
|
|
ANSI_MAX_CMD_LENGTH = 4096
|
|
|
|
MAX_INPUT_EVENTS = 128
|
|
DEFAULT_WIDTH = 80
|
|
DEFAULT_HEIGHT = 24
|
|
|
|
ANSI_BEL = 0x07
|
|
ANSI_BACKSPACE = 0x08
|
|
ANSI_TAB = 0x09
|
|
ANSI_LINE_FEED = 0x0A
|
|
ANSI_VERTICAL_TAB = 0x0B
|
|
ANSI_FORM_FEED = 0x0C
|
|
ANSI_CARRIAGE_RETURN = 0x0D
|
|
ANSI_ESCAPE_PRIMARY = 0x1B
|
|
ANSI_ESCAPE_SECONDARY = 0x5B
|
|
ANSI_OSC_STRING_ENTRY = 0x5D
|
|
ANSI_COMMAND_FIRST = 0x40
|
|
ANSI_COMMAND_LAST = 0x7E
|
|
DCS_ENTRY = 0x90
|
|
CSI_ENTRY = 0x9B
|
|
OSC_STRING = 0x9D
|
|
ANSI_PARAMETER_SEP = ";"
|
|
ANSI_CMD_G0 = '('
|
|
ANSI_CMD_G1 = ')'
|
|
ANSI_CMD_G2 = '*'
|
|
ANSI_CMD_G3 = '+'
|
|
ANSI_CMD_DECPNM = '>'
|
|
ANSI_CMD_DECPAM = '='
|
|
ANSI_CMD_OSC = ']'
|
|
ANSI_CMD_STR_TERM = '\\'
|
|
|
|
KEY_CONTROL_PARAM_2 = ";2"
|
|
KEY_CONTROL_PARAM_3 = ";3"
|
|
KEY_CONTROL_PARAM_4 = ";4"
|
|
KEY_CONTROL_PARAM_5 = ";5"
|
|
KEY_CONTROL_PARAM_6 = ";6"
|
|
KEY_CONTROL_PARAM_7 = ";7"
|
|
KEY_CONTROL_PARAM_8 = ";8"
|
|
KEY_ESC_CSI = "\x1B["
|
|
KEY_ESC_N = "\x1BN"
|
|
KEY_ESC_O = "\x1BO"
|
|
|
|
FILL_CHARACTER = ' '
|
|
)
|
|
|
|
func getByteRange(start byte, end byte) []byte {
|
|
bytes := make([]byte, 0, 32)
|
|
for i := start; i <= end; i++ {
|
|
bytes = append(bytes, byte(i))
|
|
}
|
|
|
|
return bytes
|
|
}
|
|
|
|
var toGroundBytes = getToGroundBytes()
|
|
var executors = getExecuteBytes()
|
|
|
|
// SPACE 20+A0 hex Always and everywhere a blank space
|
|
// Intermediate 20-2F hex !"#$%&'()*+,-./
|
|
var intermeds = getByteRange(0x20, 0x2F)
|
|
|
|
// Parameters 30-3F hex 0123456789:;<=>?
|
|
// CSI Parameters 30-39, 3B hex 0123456789;
|
|
var csiParams = getByteRange(0x30, 0x3F)
|
|
|
|
var csiCollectables = append(getByteRange(0x30, 0x39), getByteRange(0x3B, 0x3F)...)
|
|
|
|
// Uppercase 40-5F hex @ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_
|
|
var upperCase = getByteRange(0x40, 0x5F)
|
|
|
|
// Lowercase 60-7E hex `abcdefghijlkmnopqrstuvwxyz{|}~
|
|
var lowerCase = getByteRange(0x60, 0x7E)
|
|
|
|
// Alphabetics 40-7E hex (all of upper and lower case)
|
|
var alphabetics = append(upperCase, lowerCase...)
|
|
|
|
var printables = getByteRange(0x20, 0x7F)
|
|
|
|
var escapeIntermediateToGroundBytes = getByteRange(0x30, 0x7E)
|
|
var escapeToGroundBytes = getEscapeToGroundBytes()
|
|
|
|
// See http://www.vt100.net/emu/vt500_parser.png for description of the complex
|
|
// byte ranges below
|
|
|
|
func getEscapeToGroundBytes() []byte {
|
|
escapeToGroundBytes := getByteRange(0x30, 0x4F)
|
|
escapeToGroundBytes = append(escapeToGroundBytes, getByteRange(0x51, 0x57)...)
|
|
escapeToGroundBytes = append(escapeToGroundBytes, 0x59)
|
|
escapeToGroundBytes = append(escapeToGroundBytes, 0x5A)
|
|
escapeToGroundBytes = append(escapeToGroundBytes, 0x5C)
|
|
escapeToGroundBytes = append(escapeToGroundBytes, getByteRange(0x60, 0x7E)...)
|
|
return escapeToGroundBytes
|
|
}
|
|
|
|
func getExecuteBytes() []byte {
|
|
executeBytes := getByteRange(0x00, 0x17)
|
|
executeBytes = append(executeBytes, 0x19)
|
|
executeBytes = append(executeBytes, getByteRange(0x1C, 0x1F)...)
|
|
return executeBytes
|
|
}
|
|
|
|
func getToGroundBytes() []byte {
|
|
groundBytes := []byte{0x18}
|
|
groundBytes = append(groundBytes, 0x1A)
|
|
groundBytes = append(groundBytes, getByteRange(0x80, 0x8F)...)
|
|
groundBytes = append(groundBytes, getByteRange(0x91, 0x97)...)
|
|
groundBytes = append(groundBytes, 0x99)
|
|
groundBytes = append(groundBytes, 0x9A)
|
|
groundBytes = append(groundBytes, 0x9C)
|
|
return groundBytes
|
|
}
|
|
|
|
// Delete 7F hex Always and everywhere ignored
|
|
// C1 Control 80-9F hex 32 additional control characters
|
|
// G1 Displayable A1-FE hex 94 additional displayable characters
|
|
// Special A0+FF hex Same as SPACE and DELETE
|