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