| 1 | # -*- test-case-name: twisted.conch.test.test_insults -*- |
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| 2 | # Copyright (c) Twisted Matrix Laboratories. |
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| 3 | # See LICENSE for details. |
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| 4 | |
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| 5 | """ |
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| 6 | VT102 and VT220 terminal manipulation. |
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| 7 | |
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| 8 | @author: Jp Calderone |
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| 9 | """ |
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| 10 | |
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| 11 | from zope.interface import implements, Interface |
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| 12 | |
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| 13 | from twisted.internet import protocol, defer, interfaces as iinternet |
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| 14 | |
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| 15 | class ITerminalProtocol(Interface): |
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| 16 | def makeConnection(transport): |
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| 17 | """Called with an L{ITerminalTransport} when a connection is established. |
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| 18 | """ |
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| 19 | |
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| 20 | def keystrokeReceived(keyID, modifier): |
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| 21 | """A keystroke was received. |
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| 22 | |
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| 23 | Each keystroke corresponds to one invocation of this method. |
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| 24 | keyID is a string identifier for that key. Printable characters |
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| 25 | are represented by themselves. Control keys, such as arrows and |
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| 26 | function keys, are represented with symbolic constants on |
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| 27 | L{ServerProtocol}. |
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| 28 | """ |
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| 29 | |
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| 30 | def terminalSize(width, height): |
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| 31 | """Called to indicate the size of the terminal. |
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| 32 | |
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| 33 | A terminal of 80x24 should be assumed if this method is not |
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| 34 | called. This method might not be called for real terminals. |
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| 35 | """ |
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| 36 | |
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| 37 | def unhandledControlSequence(seq): |
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| 38 | """Called when an unsupported control sequence is received. |
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| 39 | |
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| 40 | @type seq: C{str} |
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| 41 | @param seq: The whole control sequence which could not be interpreted. |
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| 42 | """ |
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| 43 | |
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| 44 | def connectionLost(reason): |
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| 45 | """Called when the connection has been lost. |
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| 46 | |
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| 47 | reason is a Failure describing why. |
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| 48 | """ |
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| 49 | |
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| 50 | class TerminalProtocol(object): |
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| 51 | implements(ITerminalProtocol) |
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| 52 | |
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| 53 | def makeConnection(self, terminal): |
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| 54 | # assert ITerminalTransport.providedBy(transport), "TerminalProtocol.makeConnection must be passed an ITerminalTransport implementor" |
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| 55 | self.terminal = terminal |
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| 56 | self.connectionMade() |
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| 57 | |
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| 58 | def connectionMade(self): |
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| 59 | """Called after a connection has been established. |
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| 60 | """ |
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| 61 | |
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| 62 | def keystrokeReceived(self, keyID, modifier): |
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| 63 | pass |
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| 64 | |
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| 65 | def terminalSize(self, width, height): |
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| 66 | pass |
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| 67 | |
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| 68 | def unhandledControlSequence(self, seq): |
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| 69 | pass |
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| 70 | |
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| 71 | def connectionLost(self, reason): |
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| 72 | pass |
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| 73 | |
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| 74 | class ITerminalTransport(iinternet.ITransport): |
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| 75 | def cursorUp(n=1): |
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| 76 | """Move the cursor up n lines. |
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| 77 | """ |
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| 78 | |
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| 79 | def cursorDown(n=1): |
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| 80 | """Move the cursor down n lines. |
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| 81 | """ |
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| 82 | |
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| 83 | def cursorForward(n=1): |
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| 84 | """Move the cursor right n columns. |
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| 85 | """ |
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| 86 | |
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| 87 | def cursorBackward(n=1): |
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| 88 | """Move the cursor left n columns. |
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| 89 | """ |
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| 90 | |
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| 91 | def cursorPosition(column, line): |
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| 92 | """Move the cursor to the given line and column. |
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| 93 | """ |
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| 94 | |
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| 95 | def cursorHome(): |
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| 96 | """Move the cursor home. |
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| 97 | """ |
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| 98 | |
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| 99 | def index(): |
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| 100 | """Move the cursor down one line, performing scrolling if necessary. |
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| 101 | """ |
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| 102 | |
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| 103 | def reverseIndex(): |
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| 104 | """Move the cursor up one line, performing scrolling if necessary. |
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| 105 | """ |
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| 106 | |
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| 107 | def nextLine(): |
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| 108 | """Move the cursor to the first position on the next line, performing scrolling if necessary. |
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| 109 | """ |
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| 110 | |
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| 111 | def saveCursor(): |
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| 112 | """Save the cursor position, character attribute, character set, and origin mode selection. |
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| 113 | """ |
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| 114 | |
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| 115 | def restoreCursor(): |
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| 116 | """Restore the previously saved cursor position, character attribute, character set, and origin mode selection. |
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| 117 | |
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| 118 | If no cursor state was previously saved, move the cursor to the home position. |
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| 119 | """ |
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| 120 | |
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| 121 | def setModes(modes): |
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| 122 | """Set the given modes on the terminal. |
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| 123 | """ |
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| 124 | |
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| 125 | def resetModes(mode): |
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| 126 | """Reset the given modes on the terminal. |
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| 127 | """ |
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| 128 | |
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| 129 | |
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| 130 | def setPrivateModes(modes): |
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| 131 | """ |
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| 132 | Set the given DEC private modes on the terminal. |
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| 133 | """ |
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| 134 | |
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| 135 | |
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| 136 | def resetPrivateModes(modes): |
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| 137 | """ |
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| 138 | Reset the given DEC private modes on the terminal. |
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| 139 | """ |
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| 140 | |
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| 141 | |
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| 142 | def applicationKeypadMode(): |
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| 143 | """Cause keypad to generate control functions. |
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| 144 | |
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| 145 | Cursor key mode selects the type of characters generated by cursor keys. |
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| 146 | """ |
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| 147 | |
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| 148 | def numericKeypadMode(): |
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| 149 | """Cause keypad to generate normal characters. |
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| 150 | """ |
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| 151 | |
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| 152 | def selectCharacterSet(charSet, which): |
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| 153 | """Select a character set. |
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| 154 | |
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| 155 | charSet should be one of CS_US, CS_UK, CS_DRAWING, CS_ALTERNATE, or |
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| 156 | CS_ALTERNATE_SPECIAL. |
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| 157 | |
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| 158 | which should be one of G0 or G1. |
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| 159 | """ |
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| 160 | |
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| 161 | def shiftIn(): |
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| 162 | """Activate the G0 character set. |
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| 163 | """ |
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| 164 | |
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| 165 | def shiftOut(): |
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| 166 | """Activate the G1 character set. |
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| 167 | """ |
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| 168 | |
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| 169 | def singleShift2(): |
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| 170 | """Shift to the G2 character set for a single character. |
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| 171 | """ |
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| 172 | |
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| 173 | def singleShift3(): |
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| 174 | """Shift to the G3 character set for a single character. |
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| 175 | """ |
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| 176 | |
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| 177 | def selectGraphicRendition(*attributes): |
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| 178 | """Enabled one or more character attributes. |
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| 179 | |
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| 180 | Arguments should be one or more of UNDERLINE, REVERSE_VIDEO, BLINK, or BOLD. |
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| 181 | NORMAL may also be specified to disable all character attributes. |
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| 182 | """ |
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| 183 | |
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| 184 | def horizontalTabulationSet(): |
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| 185 | """Set a tab stop at the current cursor position. |
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| 186 | """ |
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| 187 | |
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| 188 | def tabulationClear(): |
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| 189 | """Clear the tab stop at the current cursor position. |
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| 190 | """ |
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| 191 | |
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| 192 | def tabulationClearAll(): |
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| 193 | """Clear all tab stops. |
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| 194 | """ |
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| 195 | |
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| 196 | def doubleHeightLine(top=True): |
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| 197 | """Make the current line the top or bottom half of a double-height, double-width line. |
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| 198 | |
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| 199 | If top is True, the current line is the top half. Otherwise, it is the bottom half. |
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| 200 | """ |
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| 201 | |
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| 202 | def singleWidthLine(): |
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| 203 | """Make the current line a single-width, single-height line. |
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| 204 | """ |
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| 205 | |
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| 206 | def doubleWidthLine(): |
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| 207 | """Make the current line a double-width line. |
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| 208 | """ |
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| 209 | |
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| 210 | def eraseToLineEnd(): |
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| 211 | """Erase from the cursor to the end of line, including cursor position. |
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| 212 | """ |
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| 213 | |
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| 214 | def eraseToLineBeginning(): |
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| 215 | """Erase from the cursor to the beginning of the line, including the cursor position. |
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| 216 | """ |
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| 217 | |
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| 218 | def eraseLine(): |
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| 219 | """Erase the entire cursor line. |
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| 220 | """ |
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| 221 | |
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| 222 | def eraseToDisplayEnd(): |
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| 223 | """Erase from the cursor to the end of the display, including the cursor position. |
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| 224 | """ |
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| 225 | |
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| 226 | def eraseToDisplayBeginning(): |
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| 227 | """Erase from the cursor to the beginning of the display, including the cursor position. |
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| 228 | """ |
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| 229 | |
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| 230 | def eraseDisplay(): |
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| 231 | """Erase the entire display. |
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| 232 | """ |
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| 233 | |
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| 234 | def deleteCharacter(n=1): |
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| 235 | """Delete n characters starting at the cursor position. |
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| 236 | |
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| 237 | Characters to the right of deleted characters are shifted to the left. |
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| 238 | """ |
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| 239 | |
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| 240 | def insertLine(n=1): |
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| 241 | """Insert n lines at the cursor position. |
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| 242 | |
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| 243 | Lines below the cursor are shifted down. Lines moved past the bottom margin are lost. |
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| 244 | This command is ignored when the cursor is outside the scroll region. |
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| 245 | """ |
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| 246 | |
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| 247 | def deleteLine(n=1): |
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| 248 | """Delete n lines starting at the cursor position. |
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| 249 | |
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| 250 | Lines below the cursor are shifted up. This command is ignored when the cursor is outside |
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| 251 | the scroll region. |
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| 252 | """ |
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| 253 | |
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| 254 | def reportCursorPosition(): |
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| 255 | """Return a Deferred that fires with a two-tuple of (x, y) indicating the cursor position. |
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| 256 | """ |
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| 257 | |
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| 258 | def reset(): |
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| 259 | """Reset the terminal to its initial state. |
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| 260 | """ |
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| 261 | |
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| 262 | def unhandledControlSequence(seq): |
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| 263 | """Called when an unsupported control sequence is received. |
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| 264 | |
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| 265 | @type seq: C{str} |
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| 266 | @param seq: The whole control sequence which could not be interpreted. |
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| 267 | """ |
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| 268 | |
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| 269 | |
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| 270 | CSI = '\x1b' |
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| 271 | CST = {'~': 'tilde'} |
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| 272 | |
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| 273 | class modes: |
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| 274 | """ECMA 48 standardized modes |
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| 275 | """ |
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| 276 | |
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| 277 | # BREAKS YOPUR KEYBOARD MOFO |
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| 278 | KEYBOARD_ACTION = KAM = 2 |
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| 279 | |
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| 280 | # When set, enables character insertion. New display characters |
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| 281 | # move old display characters to the right. Characters moved past |
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| 282 | # the right margin are lost. |
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| 283 | |
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| 284 | # When reset, enables replacement mode (disables character |
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| 285 | # insertion). New display characters replace old display |
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| 286 | # characters at cursor position. The old character is erased. |
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| 287 | INSERTION_REPLACEMENT = IRM = 4 |
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| 288 | |
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| 289 | # Set causes a received linefeed, form feed, or vertical tab to |
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| 290 | # move cursor to first column of next line. RETURN transmits both |
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| 291 | # a carriage return and linefeed. This selection is also called |
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| 292 | # new line option. |
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| 293 | |
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| 294 | # Reset causes a received linefeed, form feed, or vertical tab to |
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| 295 | # move cursor to next line in current column. RETURN transmits a |
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| 296 | # carriage return. |
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| 297 | LINEFEED_NEWLINE = LNM = 20 |
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| 298 | |
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| 299 | |
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| 300 | class privateModes: |
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| 301 | """ANSI-Compatible Private Modes |
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| 302 | """ |
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| 303 | ERROR = 0 |
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| 304 | CURSOR_KEY = 1 |
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| 305 | ANSI_VT52 = 2 |
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| 306 | COLUMN = 3 |
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| 307 | SCROLL = 4 |
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| 308 | SCREEN = 5 |
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| 309 | ORIGIN = 6 |
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| 310 | AUTO_WRAP = 7 |
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| 311 | AUTO_REPEAT = 8 |
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| 312 | PRINTER_FORM_FEED = 18 |
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| 313 | PRINTER_EXTENT = 19 |
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| 314 | |
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| 315 | # Toggle cursor visibility (reset hides it) |
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| 316 | CURSOR_MODE = 25 |
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| 317 | |
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| 318 | |
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| 319 | # Character sets |
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| 320 | CS_US = 'CS_US' |
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| 321 | CS_UK = 'CS_UK' |
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| 322 | CS_DRAWING = 'CS_DRAWING' |
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| 323 | CS_ALTERNATE = 'CS_ALTERNATE' |
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| 324 | CS_ALTERNATE_SPECIAL = 'CS_ALTERNATE_SPECIAL' |
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| 325 | |
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| 326 | # Groupings (or something?? These are like variables that can be bound to character sets) |
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| 327 | G0 = 'G0' |
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| 328 | G1 = 'G1' |
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| 329 | |
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| 330 | # G2 and G3 cannot be changed, but they can be shifted to. |
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| 331 | G2 = 'G2' |
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| 332 | G3 = 'G3' |
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| 333 | |
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| 334 | # Character attributes |
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| 335 | |
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| 336 | NORMAL = 0 |
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| 337 | BOLD = 1 |
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| 338 | UNDERLINE = 4 |
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| 339 | BLINK = 5 |
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| 340 | REVERSE_VIDEO = 7 |
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| 341 | |
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| 342 | class Vector: |
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| 343 | def __init__(self, x, y): |
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| 344 | self.x = x |
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| 345 | self.y = y |
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| 346 | |
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| 347 | def log(s): |
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| 348 | file('log', 'a').write(str(s) + '\n') |
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| 349 | |
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| 350 | # XXX TODO - These attributes are really part of the |
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| 351 | # ITerminalTransport interface, I think. |
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| 352 | _KEY_NAMES = ('UP_ARROW', 'DOWN_ARROW', 'RIGHT_ARROW', 'LEFT_ARROW', |
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| 353 | 'HOME', 'INSERT', 'DELETE', 'END', 'PGUP', 'PGDN', 'NUMPAD_MIDDLE', |
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| 354 | 'F1', 'F2', 'F3', 'F4', 'F5', 'F6', 'F7', 'F8', 'F9', |
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| 355 | 'F10', 'F11', 'F12', |
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| 356 | |
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| 357 | 'ALT', 'SHIFT', 'CONTROL') |
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| 358 | |
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| 359 | class _const(object): |
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| 360 | """ |
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| 361 | @ivar name: A string naming this constant |
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| 362 | """ |
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| 363 | def __init__(self, name): |
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| 364 | self.name = name |
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| 365 | |
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| 366 | def __repr__(self): |
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| 367 | return '[' + self.name + ']' |
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| 368 | |
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| 369 | |
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| 370 | FUNCTION_KEYS = [ |
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| 371 | _const(_name) for _name in _KEY_NAMES] |
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| 372 | |
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| 373 | class ServerProtocol(protocol.Protocol): |
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| 374 | implements(ITerminalTransport) |
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| 375 | |
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| 376 | protocolFactory = None |
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| 377 | terminalProtocol = None |
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| 378 | |
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| 379 | TAB = '\t' |
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| 380 | BACKSPACE = '\x7f' |
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| 381 | ## |
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| 382 | |
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| 383 | lastWrite = '' |
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| 384 | |
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| 385 | state = 'data' |
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| 386 | |
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| 387 | termSize = Vector(80, 24) |
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| 388 | cursorPos = Vector(0, 0) |
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| 389 | scrollRegion = None |
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| 390 | |
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| 391 | # Factory who instantiated me |
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| 392 | factory = None |
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| 393 | |
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| 394 | def __init__(self, protocolFactory=None, *a, **kw): |
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| 395 | """ |
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| 396 | @param protocolFactory: A callable which will be invoked with |
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| 397 | *a, **kw and should return an ITerminalProtocol implementor. |
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| 398 | This will be invoked when a connection to this ServerProtocol |
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| 399 | is established. |
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| 400 | |
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| 401 | @param a: Any positional arguments to pass to protocolFactory. |
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| 402 | @param kw: Any keyword arguments to pass to protocolFactory. |
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| 403 | """ |
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| 404 | # assert protocolFactory is None or ITerminalProtocol.implementedBy(protocolFactory), "ServerProtocol.__init__ must be passed an ITerminalProtocol implementor" |
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| 405 | if protocolFactory is not None: |
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| 406 | self.protocolFactory = protocolFactory |
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| 407 | self.protocolArgs = a |
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| 408 | self.protocolKwArgs = kw |
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| 409 | |
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| 410 | self._cursorReports = [] |
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| 411 | |
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| 412 | def connectionMade(self): |
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| 413 | if self.protocolFactory is not None: |
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| 414 | self.terminalProtocol = self.protocolFactory(*self.protocolArgs, **self.protocolKwArgs) |
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| 415 | |
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| 416 | try: |
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| 417 | factory = self.factory |
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| 418 | except AttributeError: |
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| 419 | pass |
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| 420 | else: |
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| 421 | self.terminalProtocol.factory = factory |
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| 422 | |
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| 423 | self.terminalProtocol.makeConnection(self) |
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| 424 | |
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| 425 | def dataReceived(self, data): |
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| 426 | for ch in data: |
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| 427 | if self.state == 'data': |
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| 428 | if ch == '\x1b': |
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| 429 | self.state = 'escaped' |
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| 430 | else: |
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| 431 | self.terminalProtocol.keystrokeReceived(ch, None) |
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| 432 | elif self.state == 'escaped': |
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| 433 | if ch == '[': |
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| 434 | self.state = 'bracket-escaped' |
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| 435 | self.escBuf = [] |
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| 436 | elif ch == 'O': |
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| 437 | self.state = 'low-function-escaped' |
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| 438 | else: |
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| 439 | self.state = 'data' |
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| 440 | self._handleShortControlSequence(ch) |
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| 441 | elif self.state == 'bracket-escaped': |
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| 442 | if ch == 'O': |
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| 443 | self.state = 'low-function-escaped' |
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| 444 | elif ch.isalpha() or ch == '~': |
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| 445 | self._handleControlSequence(''.join(self.escBuf) + ch) |
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| 446 | del self.escBuf |
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| 447 | self.state = 'data' |
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| 448 | else: |
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| 449 | self.escBuf.append(ch) |
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| 450 | elif self.state == 'low-function-escaped': |
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| 451 | self._handleLowFunctionControlSequence(ch) |
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| 452 | self.state = 'data' |
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| 453 | else: |
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| 454 | raise ValueError("Illegal state") |
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| 455 | |
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| 456 | def _handleShortControlSequence(self, ch): |
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| 457 | self.terminalProtocol.keystrokeReceived(ch, self.ALT) |
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| 458 | |
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| 459 | def _handleControlSequence(self, buf): |
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| 460 | buf = '\x1b[' + buf |
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| 461 | f = getattr(self.controlSequenceParser, CST.get(buf[-1], buf[-1]), None) |
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| 462 | if f is None: |
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| 463 | self.unhandledControlSequence(buf) |
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| 464 | else: |
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| 465 | f(self, self.terminalProtocol, buf[:-1]) |
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| 466 | |
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| 467 | def unhandledControlSequence(self, buf): |
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| 468 | self.terminalProtocol.unhandledControlSequence(buf) |
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| 469 | |
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| 470 | def _handleLowFunctionControlSequence(self, ch): |
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| 471 | map = {'P': self.F1, 'Q': self.F2, 'R': self.F3, 'S': self.F4} |
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| 472 | keyID = map.get(ch) |
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| 473 | if keyID is not None: |
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| 474 | self.terminalProtocol.keystrokeReceived(keyID, None) |
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| 475 | else: |
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| 476 | self.terminalProtocol.unhandledControlSequence('\x1b[O' + ch) |
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| 477 | |
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| 478 | class ControlSequenceParser: |
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| 479 | def A(self, proto, handler, buf): |
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| 480 | if buf == '\x1b[': |
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| 481 | handler.keystrokeReceived(proto.UP_ARROW, None) |
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| 482 | else: |
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| 483 | handler.unhandledControlSequence(buf + 'A') |
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| 484 | |
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| 485 | def B(self, proto, handler, buf): |
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| 486 | if buf == '\x1b[': |
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| 487 | handler.keystrokeReceived(proto.DOWN_ARROW, None) |
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| 488 | else: |
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| 489 | handler.unhandledControlSequence(buf + 'B') |
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| 490 | |
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| 491 | def C(self, proto, handler, buf): |
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| 492 | if buf == '\x1b[': |
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| 493 | handler.keystrokeReceived(proto.RIGHT_ARROW, None) |
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| 494 | else: |
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| 495 | handler.unhandledControlSequence(buf + 'C') |
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| 496 | |
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| 497 | def D(self, proto, handler, buf): |
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| 498 | if buf == '\x1b[': |
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| 499 | handler.keystrokeReceived(proto.LEFT_ARROW, None) |
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| 500 | else: |
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| 501 | handler.unhandledControlSequence(buf + 'D') |
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| 502 | |
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| 503 | def E(self, proto, handler, buf): |
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| 504 | if buf == '\x1b[': |
|---|
| 505 | handler.keystrokeReceived(proto.NUMPAD_MIDDLE, None) |
|---|
| 506 | else: |
|---|
| 507 | handler.unhandledControlSequence(buf + 'E') |
|---|
| 508 | |
|---|
| 509 | def F(self, proto, handler, buf): |
|---|
| 510 | if buf == '\x1b[': |
|---|
| 511 | handler.keystrokeReceived(proto.END, None) |
|---|
| 512 | else: |
|---|
| 513 | handler.unhandledControlSequence(buf + 'F') |
|---|
| 514 | |
|---|
| 515 | def H(self, proto, handler, buf): |
|---|
| 516 | if buf == '\x1b[': |
|---|
| 517 | handler.keystrokeReceived(proto.HOME, None) |
|---|
| 518 | else: |
|---|
| 519 | handler.unhandledControlSequence(buf + 'H') |
|---|
| 520 | |
|---|
| 521 | def R(self, proto, handler, buf): |
|---|
| 522 | if not proto._cursorReports: |
|---|
| 523 | handler.unhandledControlSequence(buf + 'R') |
|---|
| 524 | elif buf.startswith('\x1b['): |
|---|
| 525 | report = buf[2:] |
|---|
| 526 | parts = report.split(';') |
|---|
| 527 | if len(parts) != 2: |
|---|
| 528 | handler.unhandledControlSequence(buf + 'R') |
|---|
| 529 | else: |
|---|
| 530 | Pl, Pc = parts |
|---|
| 531 | try: |
|---|
| 532 | Pl, Pc = int(Pl), int(Pc) |
|---|
| 533 | except ValueError: |
|---|
| 534 | handler.unhandledControlSequence(buf + 'R') |
|---|
| 535 | else: |
|---|
| 536 | d = proto._cursorReports.pop(0) |
|---|
| 537 | d.callback((Pc - 1, Pl - 1)) |
|---|
| 538 | else: |
|---|
| 539 | handler.unhandledControlSequence(buf + 'R') |
|---|
| 540 | |
|---|
| 541 | def Z(self, proto, handler, buf): |
|---|
| 542 | if buf == '\x1b[': |
|---|
| 543 | handler.keystrokeReceived(proto.TAB, proto.SHIFT) |
|---|
| 544 | else: |
|---|
| 545 | handler.unhandledControlSequence(buf + 'Z') |
|---|
| 546 | |
|---|
| 547 | def tilde(self, proto, handler, buf): |
|---|
| 548 | map = {1: proto.HOME, 2: proto.INSERT, 3: proto.DELETE, |
|---|
| 549 | 4: proto.END, 5: proto.PGUP, 6: proto.PGDN, |
|---|
| 550 | |
|---|
| 551 | 15: proto.F5, 17: proto.F6, 18: proto.F7, |
|---|
| 552 | 19: proto.F8, 20: proto.F9, 21: proto.F10, |
|---|
| 553 | 23: proto.F11, 24: proto.F12} |
|---|
| 554 | |
|---|
| 555 | if buf.startswith('\x1b['): |
|---|
| 556 | ch = buf[2:] |
|---|
| 557 | try: |
|---|
| 558 | v = int(ch) |
|---|
| 559 | except ValueError: |
|---|
| 560 | handler.unhandledControlSequence(buf + '~') |
|---|
| 561 | else: |
|---|
| 562 | symbolic = map.get(v) |
|---|
| 563 | if symbolic is not None: |
|---|
| 564 | handler.keystrokeReceived(map[v], None) |
|---|
| 565 | else: |
|---|
| 566 | handler.unhandledControlSequence(buf + '~') |
|---|
| 567 | else: |
|---|
| 568 | handler.unhandledControlSequence(buf + '~') |
|---|
| 569 | |
|---|
| 570 | controlSequenceParser = ControlSequenceParser() |
|---|
| 571 | |
|---|
| 572 | # ITerminalTransport |
|---|
| 573 | def cursorUp(self, n=1): |
|---|
| 574 | assert n >= 1 |
|---|
| 575 | self.cursorPos.y = max(self.cursorPos.y - n, 0) |
|---|
| 576 | self.write('\x1b[%dA' % (n,)) |
|---|
| 577 | |
|---|
| 578 | def cursorDown(self, n=1): |
|---|
| 579 | assert n >= 1 |
|---|
| 580 | self.cursorPos.y = min(self.cursorPos.y + n, self.termSize.y - 1) |
|---|
| 581 | self.write('\x1b[%dB' % (n,)) |
|---|
| 582 | |
|---|
| 583 | def cursorForward(self, n=1): |
|---|
| 584 | assert n >= 1 |
|---|
| 585 | self.cursorPos.x = min(self.cursorPos.x + n, self.termSize.x - 1) |
|---|
| 586 | self.write('\x1b[%dC' % (n,)) |
|---|
| 587 | |
|---|
| 588 | def cursorBackward(self, n=1): |
|---|
| 589 | assert n >= 1 |
|---|
| 590 | self.cursorPos.x = max(self.cursorPos.x - n, 0) |
|---|
| 591 | self.write('\x1b[%dD' % (n,)) |
|---|
| 592 | |
|---|
| 593 | def cursorPosition(self, column, line): |
|---|
| 594 | self.write('\x1b[%d;%dH' % (line + 1, column + 1)) |
|---|
| 595 | |
|---|
| 596 | def cursorHome(self): |
|---|
| 597 | self.cursorPos.x = self.cursorPos.y = 0 |
|---|
| 598 | self.write('\x1b[H') |
|---|
| 599 | |
|---|
| 600 | def index(self): |
|---|
| 601 | self.cursorPos.y = min(self.cursorPos.y + 1, self.termSize.y - 1) |
|---|
| 602 | self.write('\x1bD') |
|---|
| 603 | |
|---|
| 604 | def reverseIndex(self): |
|---|
| 605 | self.cursorPos.y = max(self.cursorPos.y - 1, 0) |
|---|
| 606 | self.write('\x1bM') |
|---|
| 607 | |
|---|
| 608 | def nextLine(self): |
|---|
| 609 | self.cursorPos.x = 0 |
|---|
| 610 | self.cursorPos.y = min(self.cursorPos.y + 1, self.termSize.y - 1) |
|---|
| 611 | self.write('\n') |
|---|
| 612 | |
|---|
| 613 | def saveCursor(self): |
|---|
| 614 | self._savedCursorPos = Vector(self.cursorPos.x, self.cursorPos.y) |
|---|
| 615 | self.write('\x1b7') |
|---|
| 616 | |
|---|
| 617 | def restoreCursor(self): |
|---|
| 618 | self.cursorPos = self._savedCursorPos |
|---|
| 619 | del self._savedCursorPos |
|---|
| 620 | self.write('\x1b8') |
|---|
| 621 | |
|---|
| 622 | def setModes(self, modes): |
|---|
| 623 | # XXX Support ANSI-Compatible private modes |
|---|
| 624 | self.write('\x1b[%sh' % (';'.join(map(str, modes)),)) |
|---|
| 625 | |
|---|
| 626 | def setPrivateModes(self, modes): |
|---|
| 627 | self.write('\x1b[?%sh' % (';'.join(map(str, modes)),)) |
|---|
| 628 | |
|---|
| 629 | def resetModes(self, modes): |
|---|
| 630 | # XXX Support ANSI-Compatible private modes |
|---|
| 631 | self.write('\x1b[%sl' % (';'.join(map(str, modes)),)) |
|---|
| 632 | |
|---|
| 633 | def resetPrivateModes(self, modes): |
|---|
| 634 | self.write('\x1b[?%sl' % (';'.join(map(str, modes)),)) |
|---|
| 635 | |
|---|
| 636 | def applicationKeypadMode(self): |
|---|
| 637 | self.write('\x1b=') |
|---|
| 638 | |
|---|
| 639 | def numericKeypadMode(self): |
|---|
| 640 | self.write('\x1b>') |
|---|
| 641 | |
|---|
| 642 | def selectCharacterSet(self, charSet, which): |
|---|
| 643 | # XXX Rewrite these as dict lookups |
|---|
| 644 | if which == G0: |
|---|
| 645 | which = '(' |
|---|
| 646 | elif which == G1: |
|---|
| 647 | which = ')' |
|---|
| 648 | else: |
|---|
| 649 | raise ValueError("`which' argument to selectCharacterSet must be G0 or G1") |
|---|
| 650 | if charSet == CS_UK: |
|---|
| 651 | charSet = 'A' |
|---|
| 652 | elif charSet == CS_US: |
|---|
| 653 | charSet = 'B' |
|---|
| 654 | elif charSet == CS_DRAWING: |
|---|
| 655 | charSet = '0' |
|---|
| 656 | elif charSet == CS_ALTERNATE: |
|---|
| 657 | charSet = '1' |
|---|
| 658 | elif charSet == CS_ALTERNATE_SPECIAL: |
|---|
| 659 | charSet = '2' |
|---|
| 660 | else: |
|---|
| 661 | raise ValueError("Invalid `charSet' argument to selectCharacterSet") |
|---|
| 662 | self.write('\x1b' + which + charSet) |
|---|
| 663 | |
|---|
| 664 | def shiftIn(self): |
|---|
| 665 | self.write('\x15') |
|---|
| 666 | |
|---|
| 667 | def shiftOut(self): |
|---|
| 668 | self.write('\x14') |
|---|
| 669 | |
|---|
| 670 | def singleShift2(self): |
|---|
| 671 | self.write('\x1bN') |
|---|
| 672 | |
|---|
| 673 | def singleShift3(self): |
|---|
| 674 | self.write('\x1bO') |
|---|
| 675 | |
|---|
| 676 | def selectGraphicRendition(self, *attributes): |
|---|
| 677 | attrs = [] |
|---|
| 678 | for a in attributes: |
|---|
| 679 | attrs.append(a) |
|---|
| 680 | self.write('\x1b[%sm' % (';'.join(attrs),)) |
|---|
| 681 | |
|---|
| 682 | def horizontalTabulationSet(self): |
|---|
| 683 | self.write('\x1bH') |
|---|
| 684 | |
|---|
| 685 | def tabulationClear(self): |
|---|
| 686 | self.write('\x1b[q') |
|---|
| 687 | |
|---|
| 688 | def tabulationClearAll(self): |
|---|
| 689 | self.write('\x1b[3q') |
|---|
| 690 | |
|---|
| 691 | def doubleHeightLine(self, top=True): |
|---|
| 692 | if top: |
|---|
| 693 | self.write('\x1b#3') |
|---|
| 694 | else: |
|---|
| 695 | self.write('\x1b#4') |
|---|
| 696 | |
|---|
| 697 | def singleWidthLine(self): |
|---|
| 698 | self.write('\x1b#5') |
|---|
| 699 | |
|---|
| 700 | def doubleWidthLine(self): |
|---|
| 701 | self.write('\x1b#6') |
|---|
| 702 | |
|---|
| 703 | def eraseToLineEnd(self): |
|---|
| 704 | self.write('\x1b[K') |
|---|
| 705 | |
|---|
| 706 | def eraseToLineBeginning(self): |
|---|
| 707 | self.write('\x1b[1K') |
|---|
| 708 | |
|---|
| 709 | def eraseLine(self): |
|---|
| 710 | self.write('\x1b[2K') |
|---|
| 711 | |
|---|
| 712 | def eraseToDisplayEnd(self): |
|---|
| 713 | self.write('\x1b[J') |
|---|
| 714 | |
|---|
| 715 | def eraseToDisplayBeginning(self): |
|---|
| 716 | self.write('\x1b[1J') |
|---|
| 717 | |
|---|
| 718 | def eraseDisplay(self): |
|---|
| 719 | self.write('\x1b[2J') |
|---|
| 720 | |
|---|
| 721 | def deleteCharacter(self, n=1): |
|---|
| 722 | self.write('\x1b[%dP' % (n,)) |
|---|
| 723 | |
|---|
| 724 | def insertLine(self, n=1): |
|---|
| 725 | self.write('\x1b[%dL' % (n,)) |
|---|
| 726 | |
|---|
| 727 | def deleteLine(self, n=1): |
|---|
| 728 | self.write('\x1b[%dM' % (n,)) |
|---|
| 729 | |
|---|
| 730 | def setScrollRegion(self, first=None, last=None): |
|---|
| 731 | if first is not None: |
|---|
| 732 | first = '%d' % (first,) |
|---|
| 733 | else: |
|---|
| 734 | first = '' |
|---|
| 735 | if last is not None: |
|---|
| 736 | last = '%d' % (last,) |
|---|
| 737 | else: |
|---|
| 738 | last = '' |
|---|
| 739 | self.write('\x1b[%s;%sr' % (first, last)) |
|---|
| 740 | |
|---|
| 741 | def resetScrollRegion(self): |
|---|
| 742 | self.setScrollRegion() |
|---|
| 743 | |
|---|
| 744 | def reportCursorPosition(self): |
|---|
| 745 | d = defer.Deferred() |
|---|
| 746 | self._cursorReports.append(d) |
|---|
| 747 | self.write('\x1b[6n') |
|---|
| 748 | return d |
|---|
| 749 | |
|---|
| 750 | def reset(self): |
|---|
| 751 | self.cursorPos.x = self.cursorPos.y = 0 |
|---|
| 752 | try: |
|---|
| 753 | del self._savedCursorPos |
|---|
| 754 | except AttributeError: |
|---|
| 755 | pass |
|---|
| 756 | self.write('\x1bc') |
|---|
| 757 | |
|---|
| 758 | # ITransport |
|---|
| 759 | def write(self, bytes): |
|---|
| 760 | if bytes: |
|---|
| 761 | self.lastWrite = bytes |
|---|
| 762 | self.transport.write('\r\n'.join(bytes.split('\n'))) |
|---|
| 763 | |
|---|
| 764 | def writeSequence(self, bytes): |
|---|
| 765 | self.write(''.join(bytes)) |
|---|
| 766 | |
|---|
| 767 | def loseConnection(self): |
|---|
| 768 | self.reset() |
|---|
| 769 | self.transport.loseConnection() |
|---|
| 770 | |
|---|
| 771 | def connectionLost(self, reason): |
|---|
| 772 | if self.terminalProtocol is not None: |
|---|
| 773 | try: |
|---|
| 774 | self.terminalProtocol.connectionLost(reason) |
|---|
| 775 | finally: |
|---|
| 776 | self.terminalProtocol = None |
|---|
| 777 | # Add symbolic names for function keys |
|---|
| 778 | for name, const in zip(_KEY_NAMES, FUNCTION_KEYS): |
|---|
| 779 | setattr(ServerProtocol, name, const) |
|---|
| 780 | |
|---|
| 781 | |
|---|
| 782 | |
|---|
| 783 | class ClientProtocol(protocol.Protocol): |
|---|
| 784 | |
|---|
| 785 | terminalFactory = None |
|---|
| 786 | terminal = None |
|---|
| 787 | |
|---|
| 788 | state = 'data' |
|---|
| 789 | |
|---|
| 790 | _escBuf = None |
|---|
| 791 | |
|---|
| 792 | _shorts = { |
|---|
| 793 | 'D': 'index', |
|---|
| 794 | 'M': 'reverseIndex', |
|---|
| 795 | 'E': 'nextLine', |
|---|
| 796 | '7': 'saveCursor', |
|---|
| 797 | '8': 'restoreCursor', |
|---|
| 798 | '=': 'applicationKeypadMode', |
|---|
| 799 | '>': 'numericKeypadMode', |
|---|
| 800 | 'N': 'singleShift2', |
|---|
| 801 | 'O': 'singleShift3', |
|---|
| 802 | 'H': 'horizontalTabulationSet', |
|---|
| 803 | 'c': 'reset'} |
|---|
| 804 | |
|---|
| 805 | _longs = { |
|---|
| 806 | '[': 'bracket-escape', |
|---|
| 807 | '(': 'select-g0', |
|---|
| 808 | ')': 'select-g1', |
|---|
| 809 | '#': 'select-height-width'} |
|---|
| 810 | |
|---|
| 811 | _charsets = { |
|---|
| 812 | 'A': CS_UK, |
|---|
| 813 | 'B': CS_US, |
|---|
| 814 | '0': CS_DRAWING, |
|---|
| 815 | '1': CS_ALTERNATE, |
|---|
| 816 | '2': CS_ALTERNATE_SPECIAL} |
|---|
| 817 | |
|---|
| 818 | # Factory who instantiated me |
|---|
| 819 | factory = None |
|---|
| 820 | |
|---|
| 821 | def __init__(self, terminalFactory=None, *a, **kw): |
|---|
| 822 | """ |
|---|
| 823 | @param terminalFactory: A callable which will be invoked with |
|---|
| 824 | *a, **kw and should return an ITerminalTransport provider. |
|---|
| 825 | This will be invoked when this ClientProtocol establishes a |
|---|
| 826 | connection. |
|---|
| 827 | |
|---|
| 828 | @param a: Any positional arguments to pass to terminalFactory. |
|---|
| 829 | @param kw: Any keyword arguments to pass to terminalFactory. |
|---|
| 830 | """ |
|---|
| 831 | # assert terminalFactory is None or ITerminalTransport.implementedBy(terminalFactory), "ClientProtocol.__init__ must be passed an ITerminalTransport implementor" |
|---|
| 832 | if terminalFactory is not None: |
|---|
| 833 | self.terminalFactory = terminalFactory |
|---|
| 834 | self.terminalArgs = a |
|---|
| 835 | self.terminalKwArgs = kw |
|---|
| 836 | |
|---|
| 837 | def connectionMade(self): |
|---|
| 838 | if self.terminalFactory is not None: |
|---|
| 839 | self.terminal = self.terminalFactory(*self.terminalArgs, **self.terminalKwArgs) |
|---|
| 840 | self.terminal.factory = self.factory |
|---|
| 841 | self.terminal.makeConnection(self) |
|---|
| 842 | |
|---|
| 843 | def connectionLost(self, reason): |
|---|
| 844 | if self.terminal is not None: |
|---|
| 845 | try: |
|---|
| 846 | self.terminal.connectionLost(reason) |
|---|
| 847 | finally: |
|---|
| 848 | del self.terminal |
|---|
| 849 | |
|---|
| 850 | def dataReceived(self, bytes): |
|---|
| 851 | """ |
|---|
| 852 | Parse the given data from a terminal server, dispatching to event |
|---|
| 853 | handlers defined by C{self.terminal}. |
|---|
| 854 | """ |
|---|
| 855 | toWrite = [] |
|---|
| 856 | for b in bytes: |
|---|
| 857 | if self.state == 'data': |
|---|
| 858 | if b == '\x1b': |
|---|
| 859 | if toWrite: |
|---|
| 860 | self.terminal.write(''.join(toWrite)) |
|---|
| 861 | del toWrite[:] |
|---|
| 862 | self.state = 'escaped' |
|---|
| 863 | elif b == '\x14': |
|---|
| 864 | if toWrite: |
|---|
| 865 | self.terminal.write(''.join(toWrite)) |
|---|
| 866 | del toWrite[:] |
|---|
| 867 | self.terminal.shiftOut() |
|---|
| 868 | elif b == '\x15': |
|---|
| 869 | if toWrite: |
|---|
| 870 | self.terminal.write(''.join(toWrite)) |
|---|
| 871 | del toWrite[:] |
|---|
| 872 | self.terminal.shiftIn() |
|---|
| 873 | elif b == '\x08': |
|---|
| 874 | if toWrite: |
|---|
| 875 | self.terminal.write(''.join(toWrite)) |
|---|
| 876 | del toWrite[:] |
|---|
| 877 | self.terminal.cursorBackward() |
|---|
| 878 | else: |
|---|
| 879 | toWrite.append(b) |
|---|
| 880 | elif self.state == 'escaped': |
|---|
| 881 | fName = self._shorts.get(b) |
|---|
| 882 | if fName is not None: |
|---|
| 883 | self.state = 'data' |
|---|
| 884 | getattr(self.terminal, fName)() |
|---|
| 885 | else: |
|---|
| 886 | state = self._longs.get(b) |
|---|
| 887 | if state is not None: |
|---|
| 888 | self.state = state |
|---|
| 889 | else: |
|---|
| 890 | self.terminal.unhandledControlSequence('\x1b' + b) |
|---|
| 891 | self.state = 'data' |
|---|
| 892 | elif self.state == 'bracket-escape': |
|---|
| 893 | if self._escBuf is None: |
|---|
| 894 | self._escBuf = [] |
|---|
| 895 | if b.isalpha() or b == '~': |
|---|
| 896 | self._handleControlSequence(''.join(self._escBuf), b) |
|---|
| 897 | del self._escBuf |
|---|
| 898 | self.state = 'data' |
|---|
| 899 | else: |
|---|
| 900 | self._escBuf.append(b) |
|---|
| 901 | elif self.state == 'select-g0': |
|---|
| 902 | self.terminal.selectCharacterSet(self._charsets.get(b, b), G0) |
|---|
| 903 | self.state = 'data' |
|---|
| 904 | elif self.state == 'select-g1': |
|---|
| 905 | self.terminal.selectCharacterSet(self._charsets.get(b, b), G1) |
|---|
| 906 | self.state = 'data' |
|---|
| 907 | elif self.state == 'select-height-width': |
|---|
| 908 | self._handleHeightWidth(b) |
|---|
| 909 | self.state = 'data' |
|---|
| 910 | else: |
|---|
| 911 | raise ValueError("Illegal state") |
|---|
| 912 | if toWrite: |
|---|
| 913 | self.terminal.write(''.join(toWrite)) |
|---|
| 914 | |
|---|
| 915 | |
|---|
| 916 | def _handleControlSequence(self, buf, terminal): |
|---|
| 917 | f = getattr(self.controlSequenceParser, CST.get(terminal, terminal), None) |
|---|
| 918 | if f is None: |
|---|
| 919 | self.terminal.unhandledControlSequence('\x1b[' + buf + terminal) |
|---|
| 920 | else: |
|---|
| 921 | f(self, self.terminal, buf) |
|---|
| 922 | |
|---|
| 923 | class ControlSequenceParser: |
|---|
| 924 | def _makeSimple(ch, fName): |
|---|
| 925 | n = 'cursor' + fName |
|---|
| 926 | def simple(self, proto, handler, buf): |
|---|
| 927 | if not buf: |
|---|
| 928 | getattr(handler, n)(1) |
|---|
| 929 | else: |
|---|
| 930 | try: |
|---|
| 931 | m = int(buf) |
|---|
| 932 | except ValueError: |
|---|
| 933 | handler.unhandledControlSequence('\x1b[' + buf + ch) |
|---|
| 934 | else: |
|---|
| 935 | getattr(handler, n)(m) |
|---|
| 936 | return simple |
|---|
| 937 | for (ch, fName) in (('A', 'Up'), |
|---|
| 938 | ('B', 'Down'), |
|---|
| 939 | ('C', 'Forward'), |
|---|
| 940 | ('D', 'Backward')): |
|---|
| 941 | exec ch + " = _makeSimple(ch, fName)" |
|---|
| 942 | del _makeSimple |
|---|
| 943 | |
|---|
| 944 | def h(self, proto, handler, buf): |
|---|
| 945 | # XXX - Handle '?' to introduce ANSI-Compatible private modes. |
|---|
| 946 | try: |
|---|
| 947 | modes = map(int, buf.split(';')) |
|---|
| 948 | except ValueError: |
|---|
| 949 | handler.unhandledControlSequence('\x1b[' + buf + 'h') |
|---|
| 950 | else: |
|---|
| 951 | handler.setModes(modes) |
|---|
| 952 | |
|---|
| 953 | def l(self, proto, handler, buf): |
|---|
| 954 | # XXX - Handle '?' to introduce ANSI-Compatible private modes. |
|---|
| 955 | try: |
|---|
| 956 | modes = map(int, buf.split(';')) |
|---|
| 957 | except ValueError: |
|---|
| 958 | handler.unhandledControlSequence('\x1b[' + buf + 'l') |
|---|
| 959 | else: |
|---|
| 960 | handler.resetModes(modes) |
|---|
| 961 | |
|---|
| 962 | def r(self, proto, handler, buf): |
|---|
| 963 | parts = buf.split(';') |
|---|
| 964 | if len(parts) == 1: |
|---|
| 965 | handler.setScrollRegion(None, None) |
|---|
| 966 | elif len(parts) == 2: |
|---|
| 967 | try: |
|---|
| 968 | if parts[0]: |
|---|
| 969 | pt = int(parts[0]) |
|---|
| 970 | else: |
|---|
| 971 | pt = None |
|---|
| 972 | if parts[1]: |
|---|
| 973 | pb = int(parts[1]) |
|---|
| 974 | else: |
|---|
| 975 | pb = None |
|---|
| 976 | except ValueError: |
|---|
| 977 | handler.unhandledControlSequence('\x1b[' + buf + 'r') |
|---|
| 978 | else: |
|---|
| 979 | handler.setScrollRegion(pt, pb) |
|---|
| 980 | else: |
|---|
| 981 | handler.unhandledControlSequence('\x1b[' + buf + 'r') |
|---|
| 982 | |
|---|
| 983 | def K(self, proto, handler, buf): |
|---|
| 984 | if not buf: |
|---|
| 985 | handler.eraseToLineEnd() |
|---|
| 986 | elif buf == '1': |
|---|
| 987 | handler.eraseToLineBeginning() |
|---|
| 988 | elif buf == '2': |
|---|
| 989 | handler.eraseLine() |
|---|
| 990 | else: |
|---|
| 991 | handler.unhandledControlSequence('\x1b[' + buf + 'K') |
|---|
| 992 | |
|---|
| 993 | def H(self, proto, handler, buf): |
|---|
| 994 | handler.cursorHome() |
|---|
| 995 | |
|---|
| 996 | def J(self, proto, handler, buf): |
|---|
| 997 | if not buf: |
|---|
| 998 | handler.eraseToDisplayEnd() |
|---|
| 999 | elif buf == '1': |
|---|
| 1000 | handler.eraseToDisplayBeginning() |
|---|
| 1001 | elif buf == '2': |
|---|
| 1002 | handler.eraseDisplay() |
|---|
| 1003 | else: |
|---|
| 1004 | handler.unhandledControlSequence('\x1b[' + buf + 'J') |
|---|
| 1005 | |
|---|
| 1006 | def P(self, proto, handler, buf): |
|---|
| 1007 | if not buf: |
|---|
| 1008 | handler.deleteCharacter(1) |
|---|
| 1009 | else: |
|---|
| 1010 | try: |
|---|
| 1011 | n = int(buf) |
|---|
| 1012 | except ValueError: |
|---|
| 1013 | handler.unhandledControlSequence('\x1b[' + buf + 'P') |
|---|
| 1014 | else: |
|---|
| 1015 | handler.deleteCharacter(n) |
|---|
| 1016 | |
|---|
| 1017 | def L(self, proto, handler, buf): |
|---|
| 1018 | if not buf: |
|---|
| 1019 | handler.insertLine(1) |
|---|
| 1020 | else: |
|---|
| 1021 | try: |
|---|
| 1022 | n = int(buf) |
|---|
| 1023 | except ValueError: |
|---|
| 1024 | handler.unhandledControlSequence('\x1b[' + buf + 'L') |
|---|
| 1025 | else: |
|---|
| 1026 | handler.insertLine(n) |
|---|
| 1027 | |
|---|
| 1028 | def M(self, proto, handler, buf): |
|---|
| 1029 | if not buf: |
|---|
| 1030 | handler.deleteLine(1) |
|---|
| 1031 | else: |
|---|
| 1032 | try: |
|---|
| 1033 | n = int(buf) |
|---|
| 1034 | except ValueError: |
|---|
| 1035 | handler.unhandledControlSequence('\x1b[' + buf + 'M') |
|---|
| 1036 | else: |
|---|
| 1037 | handler.deleteLine(n) |
|---|
| 1038 | |
|---|
| 1039 | def n(self, proto, handler, buf): |
|---|
| 1040 | if buf == '6': |
|---|
| 1041 | x, y = handler.reportCursorPosition() |
|---|
| 1042 | proto.transport.write('\x1b[%d;%dR' % (x + 1, y + 1)) |
|---|
| 1043 | else: |
|---|
| 1044 | handler.unhandledControlSequence('\x1b[' + buf + 'n') |
|---|
| 1045 | |
|---|
| 1046 | def m(self, proto, handler, buf): |
|---|
| 1047 | if not buf: |
|---|
| 1048 | handler.selectGraphicRendition(NORMAL) |
|---|
| 1049 | else: |
|---|
| 1050 | attrs = [] |
|---|
| 1051 | for a in buf.split(';'): |
|---|
| 1052 | try: |
|---|
| 1053 | a = int(a) |
|---|
| 1054 | except ValueError: |
|---|
| 1055 | pass |
|---|
| 1056 | attrs.append(a) |
|---|
| 1057 | handler.selectGraphicRendition(*attrs) |
|---|
| 1058 | |
|---|
| 1059 | controlSequenceParser = ControlSequenceParser() |
|---|
| 1060 | |
|---|
| 1061 | def _handleHeightWidth(self, b): |
|---|
| 1062 | if b == '3': |
|---|
| 1063 | self.terminal.doubleHeightLine(True) |
|---|
| 1064 | elif b == '4': |
|---|
| 1065 | self.terminal.doubleHeightLine(False) |
|---|
| 1066 | elif b == '5': |
|---|
| 1067 | self.terminal.singleWidthLine() |
|---|
| 1068 | elif b == '6': |
|---|
| 1069 | self.terminal.doubleWidthLine() |
|---|
| 1070 | else: |
|---|
| 1071 | self.terminal.unhandledControlSequence('\x1b#' + b) |
|---|
| 1072 | |
|---|
| 1073 | |
|---|
| 1074 | __all__ = [ |
|---|
| 1075 | # Interfaces |
|---|
| 1076 | 'ITerminalProtocol', 'ITerminalTransport', |
|---|
| 1077 | |
|---|
| 1078 | # Symbolic constants |
|---|
| 1079 | 'modes', 'privateModes', 'FUNCTION_KEYS', |
|---|
| 1080 | |
|---|
| 1081 | 'CS_US', 'CS_UK', 'CS_DRAWING', 'CS_ALTERNATE', 'CS_ALTERNATE_SPECIAL', |
|---|
| 1082 | 'G0', 'G1', 'G2', 'G3', |
|---|
| 1083 | |
|---|
| 1084 | 'UNDERLINE', 'REVERSE_VIDEO', 'BLINK', 'BOLD', 'NORMAL', |
|---|
| 1085 | |
|---|
| 1086 | # Protocol classes |
|---|
| 1087 | 'ServerProtocol', 'ClientProtocol'] |
|---|