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
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