1package ansiterm 2 3const LogEnv = "DEBUG_TERMINAL" 4 5// ANSI constants 6// References: 7// -- http://www.ecma-international.org/publications/standards/Ecma-048.htm 8// -- http://man7.org/linux/man-pages/man4/console_codes.4.html 9// -- http://manpages.ubuntu.com/manpages/intrepid/man4/console_codes.4.html 10// -- http://en.wikipedia.org/wiki/ANSI_escape_code 11// -- http://vt100.net/emu/dec_ansi_parser 12// -- http://vt100.net/emu/vt500_parser.svg 13// -- http://invisible-island.net/xterm/ctlseqs/ctlseqs.html 14// -- http://www.inwap.com/pdp10/ansicode.txt 15const ( 16 // ECMA-48 Set Graphics Rendition 17 // Note: 18 // -- Constants leading with an underscore (e.g., _ANSI_xxx) are unsupported or reserved 19 // -- Fonts could possibly be supported via SetCurrentConsoleFontEx 20 // -- Windows does not expose the per-window cursor (i.e., caret) blink times 21 ANSI_SGR_RESET = 0 22 ANSI_SGR_BOLD = 1 23 ANSI_SGR_DIM = 2 24 _ANSI_SGR_ITALIC = 3 25 ANSI_SGR_UNDERLINE = 4 26 _ANSI_SGR_BLINKSLOW = 5 27 _ANSI_SGR_BLINKFAST = 6 28 ANSI_SGR_REVERSE = 7 29 _ANSI_SGR_INVISIBLE = 8 30 _ANSI_SGR_LINETHROUGH = 9 31 _ANSI_SGR_FONT_00 = 10 32 _ANSI_SGR_FONT_01 = 11 33 _ANSI_SGR_FONT_02 = 12 34 _ANSI_SGR_FONT_03 = 13 35 _ANSI_SGR_FONT_04 = 14 36 _ANSI_SGR_FONT_05 = 15 37 _ANSI_SGR_FONT_06 = 16 38 _ANSI_SGR_FONT_07 = 17 39 _ANSI_SGR_FONT_08 = 18 40 _ANSI_SGR_FONT_09 = 19 41 _ANSI_SGR_FONT_10 = 20 42 _ANSI_SGR_DOUBLEUNDERLINE = 21 43 ANSI_SGR_BOLD_DIM_OFF = 22 44 _ANSI_SGR_ITALIC_OFF = 23 45 ANSI_SGR_UNDERLINE_OFF = 24 46 _ANSI_SGR_BLINK_OFF = 25 47 _ANSI_SGR_RESERVED_00 = 26 48 ANSI_SGR_REVERSE_OFF = 27 49 _ANSI_SGR_INVISIBLE_OFF = 28 50 _ANSI_SGR_LINETHROUGH_OFF = 29 51 ANSI_SGR_FOREGROUND_BLACK = 30 52 ANSI_SGR_FOREGROUND_RED = 31 53 ANSI_SGR_FOREGROUND_GREEN = 32 54 ANSI_SGR_FOREGROUND_YELLOW = 33 55 ANSI_SGR_FOREGROUND_BLUE = 34 56 ANSI_SGR_FOREGROUND_MAGENTA = 35 57 ANSI_SGR_FOREGROUND_CYAN = 36 58 ANSI_SGR_FOREGROUND_WHITE = 37 59 _ANSI_SGR_RESERVED_01 = 38 60 ANSI_SGR_FOREGROUND_DEFAULT = 39 61 ANSI_SGR_BACKGROUND_BLACK = 40 62 ANSI_SGR_BACKGROUND_RED = 41 63 ANSI_SGR_BACKGROUND_GREEN = 42 64 ANSI_SGR_BACKGROUND_YELLOW = 43 65 ANSI_SGR_BACKGROUND_BLUE = 44 66 ANSI_SGR_BACKGROUND_MAGENTA = 45 67 ANSI_SGR_BACKGROUND_CYAN = 46 68 ANSI_SGR_BACKGROUND_WHITE = 47 69 _ANSI_SGR_RESERVED_02 = 48 70 ANSI_SGR_BACKGROUND_DEFAULT = 49 71 // 50 - 65: Unsupported 72 73 ANSI_MAX_CMD_LENGTH = 4096 74 75 MAX_INPUT_EVENTS = 128 76 DEFAULT_WIDTH = 80 77 DEFAULT_HEIGHT = 24 78 79 ANSI_BEL = 0x07 80 ANSI_BACKSPACE = 0x08 81 ANSI_TAB = 0x09 82 ANSI_LINE_FEED = 0x0A 83 ANSI_VERTICAL_TAB = 0x0B 84 ANSI_FORM_FEED = 0x0C 85 ANSI_CARRIAGE_RETURN = 0x0D 86 ANSI_ESCAPE_PRIMARY = 0x1B 87 ANSI_ESCAPE_SECONDARY = 0x5B 88 ANSI_OSC_STRING_ENTRY = 0x5D 89 ANSI_COMMAND_FIRST = 0x40 90 ANSI_COMMAND_LAST = 0x7E 91 DCS_ENTRY = 0x90 92 CSI_ENTRY = 0x9B 93 OSC_STRING = 0x9D 94 ANSI_PARAMETER_SEP = ";" 95 ANSI_CMD_G0 = '(' 96 ANSI_CMD_G1 = ')' 97 ANSI_CMD_G2 = '*' 98 ANSI_CMD_G3 = '+' 99 ANSI_CMD_DECPNM = '>' 100 ANSI_CMD_DECPAM = '=' 101 ANSI_CMD_OSC = ']' 102 ANSI_CMD_STR_TERM = '\\' 103 104 KEY_CONTROL_PARAM_2 = ";2" 105 KEY_CONTROL_PARAM_3 = ";3" 106 KEY_CONTROL_PARAM_4 = ";4" 107 KEY_CONTROL_PARAM_5 = ";5" 108 KEY_CONTROL_PARAM_6 = ";6" 109 KEY_CONTROL_PARAM_7 = ";7" 110 KEY_CONTROL_PARAM_8 = ";8" 111 KEY_ESC_CSI = "\x1B[" 112 KEY_ESC_N = "\x1BN" 113 KEY_ESC_O = "\x1BO" 114 115 FILL_CHARACTER = ' ' 116) 117 118func getByteRange(start byte, end byte) []byte { 119 bytes := make([]byte, 0, 32) 120 for i := start; i <= end; i++ { 121 bytes = append(bytes, byte(i)) 122 } 123 124 return bytes 125} 126 127var toGroundBytes = getToGroundBytes() 128var executors = getExecuteBytes() 129 130// SPACE 20+A0 hex Always and everywhere a blank space 131// Intermediate 20-2F hex !"#$%&'()*+,-./ 132var intermeds = getByteRange(0x20, 0x2F) 133 134// Parameters 30-3F hex 0123456789:;<=>? 135// CSI Parameters 30-39, 3B hex 0123456789; 136var csiParams = getByteRange(0x30, 0x3F) 137 138var csiCollectables = append(getByteRange(0x30, 0x39), getByteRange(0x3B, 0x3F)...) 139 140// Uppercase 40-5F hex @ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_ 141var upperCase = getByteRange(0x40, 0x5F) 142 143// Lowercase 60-7E hex `abcdefghijlkmnopqrstuvwxyz{|}~ 144var lowerCase = getByteRange(0x60, 0x7E) 145 146// Alphabetics 40-7E hex (all of upper and lower case) 147var alphabetics = append(upperCase, lowerCase...) 148 149var printables = getByteRange(0x20, 0x7F) 150 151var escapeIntermediateToGroundBytes = getByteRange(0x30, 0x7E) 152var escapeToGroundBytes = getEscapeToGroundBytes() 153 154// See http://www.vt100.net/emu/vt500_parser.png for description of the complex 155// byte ranges below 156 157func getEscapeToGroundBytes() []byte { 158 escapeToGroundBytes := getByteRange(0x30, 0x4F) 159 escapeToGroundBytes = append(escapeToGroundBytes, getByteRange(0x51, 0x57)...) 160 escapeToGroundBytes = append(escapeToGroundBytes, 0x59) 161 escapeToGroundBytes = append(escapeToGroundBytes, 0x5A) 162 escapeToGroundBytes = append(escapeToGroundBytes, 0x5C) 163 escapeToGroundBytes = append(escapeToGroundBytes, getByteRange(0x60, 0x7E)...) 164 return escapeToGroundBytes 165} 166 167func getExecuteBytes() []byte { 168 executeBytes := getByteRange(0x00, 0x17) 169 executeBytes = append(executeBytes, 0x19) 170 executeBytes = append(executeBytes, getByteRange(0x1C, 0x1F)...) 171 return executeBytes 172} 173 174func getToGroundBytes() []byte { 175 groundBytes := []byte{0x18} 176 groundBytes = append(groundBytes, 0x1A) 177 groundBytes = append(groundBytes, getByteRange(0x80, 0x8F)...) 178 groundBytes = append(groundBytes, getByteRange(0x91, 0x97)...) 179 groundBytes = append(groundBytes, 0x99) 180 groundBytes = append(groundBytes, 0x9A) 181 groundBytes = append(groundBytes, 0x9C) 182 return groundBytes 183} 184 185// Delete 7F hex Always and everywhere ignored 186// C1 Control 80-9F hex 32 additional control characters 187// G1 Displayable A1-FE hex 94 additional displayable characters 188// Special A0+FF hex Same as SPACE and DELETE 189
