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nuintun 2015-11-24 19:00:34 +08:00
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commit 29ec604905
30 changed files with 2009 additions and 8849 deletions
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5588
static/js/terminal/index.js
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17
static/js/terminal/lib/blankLine.js Normal file
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'use strict';
module.exports = function (Terminal){
Terminal.prototype.blankLine = function (cur){
var attr = cur ? this.curAttr : this.defAttr;
var ch = [attr, ' '],
line = [],
i = 0;
for (; i < this.cols; i++) {
line[i] = ch;
}
return line;
};
};

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static/js/terminal/lib/charsets.js Normal file
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'use strict';
module.exports = function (Terminal){
Terminal.charsets = {};
// DEC Special Character and Line Drawing Set.
// http://vt100.net/docs/vt102-ug/table5-13.html
// A lot of curses apps use this if they see TERM=xterm.
// testing: echo -e '\e(0a\e(B'
// The xterm output sometimes seems to conflict with the
// reference above. xterm seems in line with the reference
// when running vttest however.
// The table below now uses xterm's output from vttest.
Terminal.charsets.SCLD = { // (0
'`': '\u25c6', // '◆'
'a': '\u2592', // '▒'
'b': '\u0009', // '\t'
'c': '\u000c', // '\f'
'd': '\u000d', // '\r'
'e': '\u000a', // '\n'
'f': '\u00b0', // '°'
'g': '\u00b1', // '±'
'h': '\u2424', // '\u2424' (NL)
'i': '\u000b', // '\v'
'j': '\u2518', // '┘'
'k': '\u2510', // '┐'
'l': '\u250c', // '┌'
'm': '\u2514', // '└'
'n': '\u253c', // '┼'
'o': '\u23ba', // '⎺'
'p': '\u23bb', // '⎻'
'q': '\u2500', // '─'
'r': '\u23bc', // '⎼'
's': '\u23bd', // '⎽'
't': '\u251c', // '├'
'u': '\u2524', // '┤'
'v': '\u2534', // '┴'
'w': '\u252c', // '┬'
'x': '\u2502', // '│'
'y': '\u2264', // '≤'
'z': '\u2265', // '≥'
'{': '\u03c0', // 'π'
'|': '\u2260', // '≠'
'}': '\u00a3', // '£'
'~': '\u00b7' // '·'
};
Terminal.charsets.UK = null; // (A
Terminal.charsets.US = null; // (B (USASCII)
Terminal.charsets.Dutch = null; // (4
Terminal.charsets.Finnish = null; // (C or (5
Terminal.charsets.French = null; // (R
Terminal.charsets.FrenchCanadian = null; // (Q
Terminal.charsets.German = null; // (K
Terminal.charsets.Italian = null; // (Y
Terminal.charsets.NorwegianDanish = null; // (E or (6
Terminal.charsets.Spanish = null; // (Z
Terminal.charsets.Swedish = null; // (H or (7
Terminal.charsets.Swiss = null; // (=
Terminal.charsets.ISOLatin = null; // /A
};

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static/js/terminal/lib/colors.js Normal file
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'use strict';
module.exports = function (Terminal){
// Colors 0-15
Terminal.colors = [
// dark:
'#2e3436', '#cc0000', '#4e9a06', '#c4a000', '#3465a4', '#75507b', '#06989a', '#d3d7cf',
// bright:
'#555753', '#ef2929', '#8ae234', '#fce94f', '#729fcf', '#ad7fa8', '#34e2e2', '#eeeeec'
];
// Colors 16-255
// Much thanks to TooTallNate for writing this.
Terminal.colors = (function (){
var colors = Terminal.colors,
r = [0x00, 0x5f, 0x87, 0xaf, 0xd7, 0xff],
i;
// 16-231
i = 0;
for (; i < 216; i++) {
out(r[(i / 36) % 6 | 0], r[(i / 6) % 6 | 0], r[i % 6]);
}
// 232-255 (grey)
i = 0;
for (; i < 24; i++) {
r = 8 + i * 10;
out(r, r, r);
}
function out(r, g, b){
colors.push('#' + hex(r) + hex(g) + hex(b));
}
function hex(c){
c = c.toString(16);
return c.length < 2 ? '0' + c : c;
}
return colors;
})();
// Default BG/FG
Terminal.defaultColors = {
bg: '#000000',
fg: '#f0f0f0'
};
Terminal.colors[256] = Terminal.defaultColors.bg;
Terminal.colors[257] = Terminal.defaultColors.fg;
};

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static/js/terminal/lib/csi/charAttributes.js Normal file
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'use strict';
module.exports = function (Terminal){
// CSI Pm m Character Attributes (SGR).
// Ps = 0 -> Normal (default).
// Ps = 1 -> Bold.
// Ps = 4 -> Underlined.
// Ps = 5 -> Blink (appears as Bold).
// Ps = 7 -> Inverse.
// Ps = 8 -> Invisible, i.e., hidden (VT300).
// Ps = 2 2 -> Normal (neither bold nor faint).
// Ps = 2 4 -> Not underlined.
// Ps = 2 5 -> Steady (not blinking).
// Ps = 2 7 -> Positive (not inverse).
// Ps = 2 8 -> Visible, i.e., not hidden (VT300).
// Ps = 3 0 -> Set foreground color to Black.
// Ps = 3 1 -> Set foreground color to Red.
// Ps = 3 2 -> Set foreground color to Green.
// Ps = 3 3 -> Set foreground color to Yellow.
// Ps = 3 4 -> Set foreground color to Blue.
// Ps = 3 5 -> Set foreground color to Magenta.
// Ps = 3 6 -> Set foreground color to Cyan.
// Ps = 3 7 -> Set foreground color to White.
// Ps = 3 9 -> Set foreground color to default (original).
// Ps = 4 0 -> Set background color to Black.
// Ps = 4 1 -> Set background color to Red.
// Ps = 4 2 -> Set background color to Green.
// Ps = 4 3 -> Set background color to Yellow.
// Ps = 4 4 -> Set background color to Blue.
// Ps = 4 5 -> Set background color to Magenta.
// Ps = 4 6 -> Set background color to Cyan.
// Ps = 4 7 -> Set background color to White.
// Ps = 4 9 -> Set background color to default (original).
// If 16-color support is compiled, the following apply. Assume
// that xterm's resources are set so that the ISO color codes are
// the first 8 of a set of 16. Then the aixterm colors are the
// bright versions of the ISO colors:
// Ps = 9 0 -> Set foreground color to Black.
// Ps = 9 1 -> Set foreground color to Red.
// Ps = 9 2 -> Set foreground color to Green.
// Ps = 9 3 -> Set foreground color to Yellow.
// Ps = 9 4 -> Set foreground color to Blue.
// Ps = 9 5 -> Set foreground color to Magenta.
// Ps = 9 6 -> Set foreground color to Cyan.
// Ps = 9 7 -> Set foreground color to White.
// Ps = 1 0 0 -> Set background color to Black.
// Ps = 1 0 1 -> Set background color to Red.
// Ps = 1 0 2 -> Set background color to Green.
// Ps = 1 0 3 -> Set background color to Yellow.
// Ps = 1 0 4 -> Set background color to Blue.
// Ps = 1 0 5 -> Set background color to Magenta.
// Ps = 1 0 6 -> Set background color to Cyan.
// Ps = 1 0 7 -> Set background color to White.
// If xterm is compiled with the 16-color support disabled, it
// supports the following, from rxvt:
// Ps = 1 0 0 -> Set foreground and background color to
// default.
// If 88- or 256-color support is compiled, the following apply.
// Ps = 3 8 ; 5 ; Ps -> Set foreground color to the second
// Ps.
// Ps = 4 8 ; 5 ; Ps -> Set background color to the second
// Ps.
Terminal.prototype.charAttributes = function (params){
var l = params.length,
i = 0,
bg, fg, p;
for (; i < l; i++) {
p = params[i];
if (p >= 30 && p <= 37) {
// fg color 8
this.curAttr = (this.curAttr & ~(0x1ff << 9)) | ((p - 30) << 9);
} else if (p >= 40 && p <= 47) {
// bg color 8
this.curAttr = (this.curAttr & ~0x1ff) | (p - 40);
} else if (p >= 90 && p <= 97) {
// fg color 16
p += 8;
this.curAttr = (this.curAttr & ~(0x1ff << 9)) | ((p - 90) << 9);
} else if (p >= 100 && p <= 107) {
// bg color 16
p += 8;
this.curAttr = (this.curAttr & ~0x1ff) | (p - 100);
} else if (p === 0) {
// default
this.curAttr = this.defAttr;
} else if (p === 1) {
// bold text
this.curAttr = this.curAttr | (1 << 18);
} else if (p === 4) {
// underlined text
this.curAttr = this.curAttr | (2 << 18);
} else if (p === 7 || p === 27) {
// inverse and positive
// test with: echo -e '\e[31m\e[42mhello\e[7mworld\e[27mhi\e[m'
if (p === 7) {
if ((this.curAttr >> 18) & 4) continue;
this.curAttr = this.curAttr | (4 << 18);
} else if (p === 27) {
if (~(this.curAttr >> 18) & 4) continue;
this.curAttr = this.curAttr & ~(4 << 18);
}
bg = this.curAttr & 0x1ff;
fg = (this.curAttr >> 9) & 0x1ff;
this.curAttr = (this.curAttr & ~0x3ffff) | ((bg << 9) | fg);
} else if (p === 22) {
// not bold
this.curAttr = this.curAttr & ~(1 << 18);
} else if (p === 24) {
// not underlined
this.curAttr = this.curAttr & ~(2 << 18);
} else if (p === 39) {
// reset fg
this.curAttr = this.curAttr & ~(0x1ff << 9);
this.curAttr = this.curAttr | (((this.defAttr >> 9) & 0x1ff) << 9);
} else if (p === 49) {
// reset bg
this.curAttr = this.curAttr & ~0x1ff;
this.curAttr = this.curAttr | (this.defAttr & 0x1ff);
} else if (p === 38) {
// fg color 256
if (params[i + 1] !== 5) continue;
i += 2;
p = params[i] & 0xff;
// convert 88 colors to 256
// if (this.is('rxvt-unicode') && p < 88) p = p * 2.9090 | 0;
this.curAttr = (this.curAttr & ~(0x1ff << 9)) | (p << 9);
} else if (p === 48) {
// bg color 256
if (params[i + 1] !== 5) continue;
i += 2;
p = params[i] & 0xff;
// convert 88 colors to 256
// if (this.is('rxvt-unicode') && p < 88) p = p * 2.9090 | 0;
this.curAttr = (this.curAttr & ~0x1ff) | p;
}
}
};
};

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'use strict';
module.exports = function (Terminal){
// CSI s
// Save cursor (ANSI.SYS).
Terminal.prototype.saveCursor = function (params){
this.savedX = this.x;
this.savedY = this.y;
};
// CSI u
// Restore cursor (ANSI.SYS).
Terminal.prototype.restoreCursor = function (params){
this.x = this.savedX || 0;
this.y = this.savedY || 0;
};
// CSI Ps A
// Cursor Up Ps Times (default = 1) (CUU).
Terminal.prototype.cursorUp = function (params){
var param = params[0];
if (param < 1) param = 1;
this.y -= param;
if (this.y < 0) this.y = 0;
};
// CSI Ps B
// Cursor Down Ps Times (default = 1) (CUD).
Terminal.prototype.cursorDown = function (params){
var param = params[0];
if (param < 1) param = 1;
this.y += param;
if (this.y >= this.rows) {
this.y = this.rows - 1;
}
};
// CSI Ps C
// Cursor Forward Ps Times (default = 1) (CUF).
Terminal.prototype.cursorForward = function (params){
var param = params[0];
if (param < 1) param = 1;
this.x += param;
if (this.x >= this.cols) {
this.x = this.cols - 1;
}
};
// CSI Ps D
// Cursor Backward Ps Times (default = 1) (CUB).
Terminal.prototype.cursorBackward = function (params){
var param = params[0];
if (param < 1) param = 1;
this.x -= param;
if (this.x < 0) this.x = 0;
};
// CSI Ps ; Ps H
// Cursor Position [row;column] (default = [1,1]) (CUP).
Terminal.prototype.cursorPos = function (params){
var row, col;
row = params[0] - 1;
if (params.length >= 2) {
col = params[1] - 1;
} else {
col = 0;
}
if (row < 0) {
row = 0;
} else if (row >= this.rows) {
row = this.rows - 1;
}
if (col < 0) {
col = 0;
} else if (col >= this.cols) {
col = this.cols - 1;
}
this.x = col;
this.y = row;
};
// CSI Ps E
// Cursor Next Line Ps Times (default = 1) (CNL).
// same as CSI Ps B ?
Terminal.prototype.cursorNextLine = function (params){
var param = params[0];
if (param < 1) param = 1;
this.y += param;
if (this.y >= this.rows) {
this.y = this.rows - 1;
}
this.x = 0;
};
// CSI Ps F
// Cursor Preceding Line Ps Times (default = 1) (CNL).
// reuse CSI Ps A ?
Terminal.prototype.cursorPrecedingLine = function (params){
var param = params[0];
if (param < 1) param = 1;
this.y -= param;
if (this.y < 0) this.y = 0;
this.x = 0;
};
// CSI Ps G
// Cursor Character Absolute [column] (default = [row,1]) (CHA).
Terminal.prototype.cursorCharAbsolute = function (params){
var param = params[0];
if (param < 1) param = 1;
this.x = param - 1;
};
// CSI Ps I
// Cursor Forward Tabulation Ps tab stops (default = 1) (CHT).
Terminal.prototype.cursorForwardTab = function (params){
var param = params[0] || 1;
while (param--) {
this.x = this.nextStop();
}
};
// CSI Ps Z Cursor Backward Tabulation Ps tab stops (default = 1) (CBT).
Terminal.prototype.cursorBackwardTab = function (params){
var param = params[0] || 1;
while (param--) {
this.x = this.prevStop();
}
};
};

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'use strict';
module.exports = function (Terminal){
// CSI Ps @
// Insert Ps (Blank) Character(s) (default = 1) (ICH).
Terminal.prototype.insertChars = function (params){
var param, row, j, ch;
param = params[0];
if (param < 1) param = 1;
row = this.y + this.ybase;
j = this.x;
ch = [this.curAttr, ' ']; // xterm
while (param-- && j < this.cols) {
this.lines[row].splice(j++, 0, ch);
this.lines[row].pop();
}
};
// CSI Ps L
// Insert Ps Line(s) (default = 1) (IL).
Terminal.prototype.insertLines = function (params){
var param, row, j;
param = params[0];
if (param < 1) param = 1;
row = this.y + this.ybase;
j = this.rows - 1 - this.scrollBottom;
j = this.rows - 1 + this.ybase - j + 1;
while (param--) {
// test: echo -e '\e[44m\e[1L\e[0m'
// blankLine(true) - xterm/linux behavior
this.lines.splice(row, 0, this.blankLine(true));
this.lines.splice(j, 1);
}
// this.maxRange();
this.updateRange(this.y);
this.updateRange(this.scrollBottom);
};
// CSI Ps M
// Delete Ps Line(s) (default = 1) (DL).
Terminal.prototype.deleteLines = function (params){
var param, row, j;
param = params[0];
if (param < 1) param = 1;
row = this.y + this.ybase;
j = this.rows - 1 - this.scrollBottom;
j = this.rows - 1 + this.ybase - j;
while (param--) {
// test: echo -e '\e[44m\e[1M\e[0m'
// blankLine(true) - xterm/linux behavior
this.lines.splice(j + 1, 0, this.blankLine(true));
this.lines.splice(row, 1);
}
// this.maxRange();
this.updateRange(this.y);
this.updateRange(this.scrollBottom);
};
// CSI Ps P
// Delete Ps Character(s) (default = 1) (DCH).
Terminal.prototype.deleteChars = function (params){
var param, row, ch;
param = params[0];
if (param < 1) param = 1;
row = this.y + this.ybase;
ch = [this.curAttr, ' ']; // xterm
while (param--) {
this.lines[row].splice(this.x, 1);
this.lines[row].push(ch);
}
};
// CSI Ps X
// Erase Ps Character(s) (default = 1) (ECH).
Terminal.prototype.eraseChars = function (params){
var param, row, j, ch;
param = params[0];
if (param < 1) param = 1;
row = this.y + this.ybase;
j = this.x;
ch = [this.curAttr, ' ']; // xterm
while (param-- && j < this.cols) {
this.lines[row][j++] = ch;
}
};
};

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'use strict';
module.exports = function (Terminal){
// CSI Pm ` Character Position Absolute
// [column] (default = [row,1]) (HPA).
Terminal.prototype.charPosAbsolute = function (params){
var param = params[0];
if (param < 1) param = 1;
this.x = param - 1;
if (this.x >= this.cols) {
this.x = this.cols - 1;
}
};
// 141 61 a * HPR -
// Horizontal Position Relative
// reuse CSI Ps C ?
Terminal.prototype.HPositionRelative = function (params){
var param = params[0];
if (param < 1) param = 1;
this.x += param;
if (this.x >= this.cols) {
this.x = this.cols - 1;
}
};
// CSI Pm d
// Line Position Absolute [row] (default = [1,column]) (VPA).
Terminal.prototype.linePosAbsolute = function (params){
var param = params[0];
if (param < 1) param = 1;
this.y = param - 1;
if (this.y >= this.rows) {
this.y = this.rows - 1;
}
};
// 145 65 e * VPR - Vertical Position Relative
// reuse CSI Ps B ?
Terminal.prototype.VPositionRelative = function (params){
var param = params[0];
if (param < 1) param = 1;
this.y += param;
if (this.y >= this.rows) {
this.y = this.rows - 1;
}
};
// CSI Ps ; Ps f
// Horizontal and Vertical Position [row;column] (default =
// [1,1]) (HVP).
Terminal.prototype.HVPosition = function (params){
if (params[0] < 1) params[0] = 1;
if (params[1] < 1) params[1] = 1;
this.y = params[0] - 1;
if (this.y >= this.rows) {
this.y = this.rows - 1;
}
this.x = params[1] - 1;
if (this.x >= this.cols) {
this.x = this.cols - 1;
}
};
};

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'use strict';
module.exports = function (Terminal){
// CSI Ps b Repeat the preceding graphic character Ps times (REP).
Terminal.prototype.repeatPrecedingCharacter = function (params){
var param = params[0] || 1,
line = this.lines[this.ybase + this.y],
ch = line[this.x - 1] || [this.defAttr, ' '];
while (param--) line[this.x++] = ch;
};
};

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'use strict';
module.exports = function (Terminal){
// CSI ! p Soft terminal reset (DECSTR).
// http://vt100.net/docs/vt220-rm/table4-10.html
Terminal.prototype.softReset = function (params){
this.cursorHidden = false;
this.insertMode = false;
this.originMode = false;
this.wraparoundMode = false; // autowrap
this.applicationKeypad = false; // ?
this.scrollTop = 0;
this.scrollBottom = this.rows - 1;
this.curAttr = this.defAttr;
this.x = this.y = 0; // ?
this.charset = null;
this.glevel = 0; // ??
this.charsets = [null]; // ??
};
};

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'use strict';
module.exports = function (Terminal){
// CSI Ps g Tab Clear (TBC).
// Ps = 0 -> Clear Current Column (default).
// Ps = 3 -> Clear All.
// Potentially:
// Ps = 2 -> Clear Stops on Line.
// http://vt100.net/annarbor/aaa-ug/section6.html
Terminal.prototype.tabClear = function (params){
var param = params[0];
if (param <= 0) {
delete this.tabs[this.x];
} else if (param === 3) {
this.tabs = {};
}
};
};

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'use strict';
module.exports = function (Terminal){
Terminal.prototype.cursorBlink = function (){
if (Terminal.focus !== this) return;
this.cursorState ^= 1;
this.refresh(this.y, this.y);
};
Terminal.prototype.showCursor = function (){
if (!this.cursorState) {
this.cursorState = 1;
this.refresh(this.y, this.y);
} else {
// Temporarily disabled:
// this.refreshBlink();
}
};
Terminal.prototype.startBlink = function (){
if (!Terminal.cursorBlink) return;
var self = this;
this._blinker = function (){
self.cursorBlink();
};
this._blink = setInterval(this._blinker, 500);
};
Terminal.prototype.refreshBlink = function (){
if (!Terminal.cursorBlink) return;
clearInterval(this._blink);
this._blink = setInterval(this._blinker, 500);
};
};

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'use strict';
module.exports = function (Terminal){
Terminal.prototype.log = function (){
if (!Terminal.debug) return;
if (!window.console || !window.console.log) return;
var args = Array.prototype.slice.call(arguments);
window.console.log.apply(window.console, args);
};
Terminal.prototype.error = function (){
if (!Terminal.debug) return;
if (!window.console || !window.console.error) return;
var args = Array.prototype.slice.call(arguments);
window.console.error.apply(window.console, args);
};
};

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'use strict';
module.exports = function (Terminal){
Terminal.prototype.destroy = function (){
this.readable = false;
this.writable = false;
this._events = {};
this.handler = function (){};
this.write = function (){};
};
};

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'use strict';
module.exports = function (Terminal){
Terminal.prototype.eraseRight = function (x, y){
var line = this.lines[this.ybase + y],
ch = [this.curAttr, ' ']; // xterm
for (; x < this.cols; x++) {
line[x] = ch;
}
this.updateRange(y);
};
Terminal.prototype.eraseLeft = function (x, y){
var line = this.lines[this.ybase + y],
ch = [this.curAttr, ' ']; // xterm
x++;
while (x--) line[x] = ch;
this.updateRange(y);
};
Terminal.prototype.eraseLine = function (y){
this.eraseRight(0, y);
};
// CSI Ps J Erase in Display (ED).
// Ps = 0 -> Erase Below (default).
// Ps = 1 -> Erase Above.
// Ps = 2 -> Erase All.
// Ps = 3 -> Erase Saved Lines (xterm).
// CSI ? Ps J
// Erase in Display (DECSED).
// Ps = 0 -> Selective Erase Below (default).
// Ps = 1 -> Selective Erase Above.
// Ps = 2 -> Selective Erase All.
Terminal.prototype.eraseInDisplay = function (params){
var j;
switch (params[0]) {
case 0:
this.eraseRight(this.x, this.y);
j = this.y + 1;
for (; j < this.rows; j++) {
this.eraseLine(j);
}
break;
case 1:
this.eraseLeft(this.x, this.y);
j = this.y;
while (j--) {
this.eraseLine(j);
}
break;
case 2:
j = this.rows;
while (j--) this.eraseLine(j);
break;
case 3:
; // no saved lines
break;
}
};
// CSI Ps K Erase in Line (EL).
// Ps = 0 -> Erase to Right (default).
// Ps = 1 -> Erase to Left.
// Ps = 2 -> Erase All.
// CSI ? Ps K
// Erase in Line (DECSEL).
// Ps = 0 -> Selective Erase to Right (default).
// Ps = 1 -> Selective Erase to Left.
// Ps = 2 -> Selective Erase All.
Terminal.prototype.eraseInLine = function (params){
switch (params[0]) {
case 0:
this.eraseRight(this.x, this.y);
break;
case 1:
this.eraseLeft(this.x, this.y);
break;
case 2:
this.eraseLine(this.y);
break;
}
};
};

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'use strict';
var states = require('../states');
module.exports = function (Terminal){
// ESC D Index (IND is 0x84).
Terminal.prototype.index = function (){
this.y++;
if (this.y > this.scrollBottom) {
this.y--;
this.scroll();
}
this.state = states.normal;
};
// ESC M Reverse Index (RI is 0x8d).
Terminal.prototype.reverseIndex = function (){
var j;
this.y--;
if (this.y < this.scrollTop) {
this.y++;
// possibly move the code below to term.reverseScroll();
// test: echo -ne '\e[1;1H\e[44m\eM\e[0m'
// blankLine(true) is xterm/linux behavior
this.lines.splice(this.y + this.ybase, 0, this.blankLine(true));
j = this.rows - 1 - this.scrollBottom;
this.lines.splice(this.rows - 1 + this.ybase - j + 1, 1);
// this.maxRange();
this.updateRange(this.scrollTop);
this.updateRange(this.scrollBottom);
}
this.state = states.normal;
};
};

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'use strict';
module.exports = function (Terminal){
// ESC c Full Reset (RIS).
Terminal.prototype.reset = function (){
Terminal.call(this, this.cols, this.rows);
this.refresh(0, this.rows - 1);
};
};

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'use strict';
var states = require('../states');
module.exports = function (Terminal){
// ESC H Tab Set (HTS is 0x88).
Terminal.prototype.tabSet = function (){
this.tabs[this.x] = true;
this.state = states.normal;
};
};

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'use strict';
// if bold is broken, we can't
// use it in the terminal.
function isBoldBroken(){
var el = document.createElement('span');
el.innerHTML = 'hello world';
document.body.appendChild(el);
var w1 = el.scrollWidth;
el.style.fontWeight = 'bold';
var w2 = el.scrollWidth;
document.body.removeChild(el);
return w1 !== w2;
}
module.exports = function (Terminal){
/**
* Open Terminal
*/
Terminal.prototype.open = function (){
var self = this,
i = 0,
div;
this.element = document.createElement('div');
this.element.className = 'terminal';
this.children = [];
for (; i < this.rows; i++) {
div = document.createElement('div');
this.element.appendChild(div);
this.children.push(div);
}
this.refresh(0, this.rows - 1);
// XXX - hack, move this somewhere else.
if (Terminal.brokenBold === null) {
Terminal.brokenBold = isBoldBroken();
}
// sync default bg/fg colors
this.element.style.backgroundColor = Terminal.defaultColors.bg;
this.element.style.color = Terminal.defaultColors.fg;
};
};

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'use strict';
module.exports = function (Terminal){
Terminal.termName = 'xterm';
Terminal.geometry = [80, 24];
Terminal.cursorBlink = true;
Terminal.visualBell = false;
Terminal.popOnBell = false;
Terminal.scrollback = 1000;
Terminal.screenKeys = false;
Terminal.programFeatures = false;
Terminal.debug = false;
};

25
static/js/terminal/lib/range.js Normal file
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'use strict';
function addRowsOnDemand(){
while (this.y >= this.rows) {
this.lines.push(this.blankLine());
var div = document.createElement('div');
this.element.appendChild(div);
this.children.push(div);
this.rows++;
}
}
module.exports = function (Terminal){
Terminal.prototype.updateRange = function (y){
if (y < this.refreshStart) this.refreshStart = y;
if (y > this.refreshEnd) this.refreshEnd = y;
addRowsOnDemand.bind(this)();
};
Terminal.prototype.maxRange = function (){
this.refreshStart = 0;
this.refreshEnd = this.rows - 1;
};
};

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'use strict';
module.exports = function (Terminal){
/**
* Rendering Engine
*/
// In the screen buffer, each character
// is stored as a an array with a character
// and a 32-bit integer.
// First value: a utf-16 character.
// Second value:
// Next 9 bits: background color (0-511).
// Next 9 bits: foreground color (0-511).
// Next 14 bits: a mask for misc. flags:
// 1=bold, 2=underline, 4=inverse
Terminal.prototype.refresh = function (start, end){
var x, y, i, line, out, ch, width, data, attr, fgColor, bgColor, flags, row, parent;
width = this.cols;
y = start;
for (; y <= end; y++) {
row = y + this.ydisp;
line = this.lines[row];
if (!line) {
// simple solution in case we have more lines than rows
// could be improved to instead remove first line (and related html element)
return this.reset();
}
out = '';
if (y === this.y && this.cursorState && this.ydisp === this.ybase && !this.cursorHidden) {
x = this.x;
} else {
x = -1;
}
attr = this.defAttr;
i = 0;
for (; i < width; i++) {
data = line[i][0];
ch = line[i][1];
if (i === x) data = -1;
if (data !== attr) {
if (attr !== this.defAttr) {
out += '</span>';
}
if (data !== this.defAttr) {
if (data === -1) {
out += '<span class="reverse-video">';
} else {
out += '<span style="';
bgColor = data & 0x1ff;
fgColor = (data >> 9) & 0x1ff;
flags = data >> 18;
if (flags & 1) {
if (!Terminal.brokenBold) {
out += 'font-weight:bold;';
}
// see: XTerm*boldColors
if (fgColor < 8) fgColor += 8;
}
if (flags & 2) {
out += 'text-decoration:underline;';
}
if (bgColor !== 256) {
out += 'background-color:' + Terminal.colors[bgColor] + ';';
}
if (fgColor !== 257) {
out += 'color:' + Terminal.colors[fgColor] + ';';
}
out += '">';
}
}
}
switch (ch) {
case '&':
out += '&';
break;
case '<':
out += '<';
break;
case '>':
out += '>';
break;
default:
if (ch <= ' ') {
out += ' ';
} else {
out += ch;
}
break;
}
attr = data;
}
if (attr !== this.defAttr) {
out += '</span>';
}
this.children[y].innerHTML = out;
}
if (parent) parent.appendChild(this.element);
};
};

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'use strict';
module.exports = function (Terminal){
Terminal.prototype.scrollDisp = function (disp){
this.ydisp += disp;
if (this.ydisp > this.ybase) {
this.ydisp = this.ybase;
} else if (this.ydisp < 0) {
this.ydisp = 0;
}
this.refresh(0, this.rows - 1);
};
};

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static/js/terminal/lib/setgCharset.js Normal file
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'use strict';
module.exports = function (Terminal){
Terminal.prototype.setgCharset = function (g, charset){
this.charsets[g] = charset;
if (this.glevel === g) {
this.charset = charset;
}
};
};

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'use strict';
module.exports = function (Terminal){
Terminal.prototype.setgLevel = function (g){
this.glevel = g;
this.charset = this.charsets[g];
};
};

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static/js/terminal/lib/states.js Normal file
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'use strict';
module.exports = {
normal: 0
, escaped: 1
, csi: 2
, osc: 3
, charset: 4
, dcs: 5
, ignore: 6
};

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'use strict';
// ignore warnings regarging == and != (coersion makes things work here appearently)
module.exports = function (Terminal){
Terminal.prototype.setupStops = function (i){
if (i != null) {
if (!this.tabs[i]) {
i = this.prevStop(i);
}
} else {
this.tabs = {};
i = 0;
}
for (; i < this.cols; i += 8) {
this.tabs[i] = true;
}
};
Terminal.prototype.prevStop = function (x){
if (x == null) x = this.x;
while (!this.tabs[--x] && x > 0);
return x >= this.cols ? this.cols - 1 : x < 0 ? 0 : x;
};
Terminal.prototype.nextStop = function (x){
if (x == null) x = this.x;
while (!this.tabs[++x] && x < this.cols);
return x >= this.cols ? this.cols - 1 : x < 0 ? 0 : x;
};
};

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'use strict';
module.exports = function (Terminal){
Terminal.prototype.ch = function (cur){
return cur ? [this.curAttr, ' '] : [this.defAttr, ' '];
};
Terminal.prototype.is = function (term){
var name = this.termName || Terminal.termName;
return (name + '')
.indexOf(term) === 0;
};
};

833
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'use strict';
var states = require('./states');
function fixLinefeed(data){
return data.replace(/([^\r])\n/g, '$1\r\n');
}
function fixIndent(data){
if (!/(^|\n) /.test(data)) return data;
// not very efficient, but works and would only become a problem
// once we render huge amounts of data
return data
.split('\n')
.map(function (line){
var count = 0;
while (line.charAt(0) === ' ') {
line = line.slice(1);
count++;
}
while (count--) {
line = '&nbsp;' + line;
}
return line;
})
.join('\r\n');
}
module.exports = function (Terminal){
Terminal.prototype.bell = function (){
var snd = new Audio("bell.wav"); // buffers automatically when created
snd.play();
if (!Terminal.visualBell) return;
var self = this;
this.element.style.borderColor = 'white';
setTimeout(function (){
self.element.style.borderColor = '';
}, 10);
if (Terminal.popOnBell) this.focus();
};
Terminal.prototype.write = function (data){
data = fixLinefeed(data);
data = fixIndent(data);
var l = data.length,
i = 0,
cs, ch;
this.refreshStart = this.y;
this.refreshEnd = this.y;
if (this.ybase !== this.ydisp) {
this.ydisp = this.ybase;
this.maxRange();
}
// this.log(JSON.stringify(data.replace(/\x1b/g, '^[')));
for (; i < l; i++) {
ch = data[i];
switch (this.state) {
case states.normal:
switch (ch) {
// '\0'
// case '\0':
// break;
// '\a'
case '\x07':
this.bell();
break;
// '\n', '\v', '\f'
case '\n':
case '\x0b':
case '\x0c':
if (this.convertEol) {
this.x = 0;
}
this.y++;
break;
// '\r'
case '\r':
this.x = 0;
break;
// '\b'
case '\x08':
if (this.x > 0) {
this.x--;
}
break;
// '\t'
case '\t':
this.x = this.nextStop();
break;
// shift out
case '\x0e':
this.setgLevel(1);
break;
// shift in
case '\x0f':
this.setgLevel(0);
break;
// '\e'
case '\x1b':
this.state = states.escaped;
break;
default:
// ' '
if (ch >= ' ') {
if (this.charset && this.charset[ch]) {
ch = this.charset[ch];
}
if (this.x >= this.cols) {
this.x = 0;
this.y++;
}
// FIXME: this prevents errors from being thrown, but needs a proper fix
if (this.lines[this.y + this.ybase])
this.lines[this.y + this.ybase][this.x] = [this.curAttr, ch];
this.x++;
this.updateRange(this.y);
}
break;
}
break;
case states.escaped:
switch (ch) {
// ESC [ Control Sequence Introducer ( CSI is 0x9b).
case '[':
this.params = [];
this.currentParam = 0;
this.state = states.csi;
break;
// ESC ] Operating System Command ( OSC is 0x9d).
case ']':
this.params = [];
this.currentParam = 0;
this.state = states.osc;
break;
// ESC P Device Control String ( DCS is 0x90).
case 'P':
this.params = [];
this.currentParam = 0;
this.state = states.dcs;
break;
// ESC _ Application Program Command ( APC is 0x9f).
case '_':
this.stateType = 'apc';
this.state = states.ignore;
break;
// ESC ^ Privacy Message ( PM is 0x9e).
case '^':
this.stateType = 'pm';
this.state = states.ignore;
break;
// ESC c Full Reset (RIS).
case 'c':
this.reset();
break;
// ESC E Next Line ( NEL is 0x85).
// ESC D Index ( IND is 0x84).
case 'E':
this.x = 0;
break;
case 'D':
this.index();
break;
// ESC M Reverse Index ( RI is 0x8d).
case 'M':
this.reverseIndex();
break;
// ESC % Select default/utf-8 character set.
// @ = default, G = utf-8
case '%':
//this.charset = null;
this.setgLevel(0);
this.setgCharset(0, Terminal.charsets.US);
this.state = states.normal;
i++;
break;
// ESC (,),*,+,-,. Designate G0-G2 Character Set.
case '(':
// <-- this seems to get all the attention
case ')':
case '*':
case '+':
case '-':
case '.':
switch (ch) {
case '(':
this.gcharset = 0;
break;
case ')':
this.gcharset = 1;
break;
case '*':
this.gcharset = 2;
break;
case '+':
this.gcharset = 3;
break;
case '-':
this.gcharset = 1;
break;
case '.':
this.gcharset = 2;
break;
}
this.state = states.charset;
break;
// Designate G3 Character Set (VT300).
// A = ISO Latin-1 Supplemental.
// Not implemented.
case '/':
this.gcharset = 3;
this.state = states.charset;
i--;
break;
// ESC N
// Single Shift Select of G2 Character Set
// ( SS2 is 0x8e). This affects next character only.
case 'N':
break;
// ESC O
// Single Shift Select of G3 Character Set
// ( SS3 is 0x8f). This affects next character only.
case 'O':
break;
// ESC n
// Invoke the G2 Character Set as GL (LS2).
case 'n':
this.setgLevel(2);
break;
// ESC o
// Invoke the G3 Character Set as GL (LS3).
case 'o':
this.setgLevel(3);
break;
// ESC |
// Invoke the G3 Character Set as GR (LS3R).
case '|':
this.setgLevel(3);
break;
// ESC }
// Invoke the G2 Character Set as GR (LS2R).
case '}':
this.setgLevel(2);
break;
// ESC ~
// Invoke the G1 Character Set as GR (LS1R).
case '~':
this.setgLevel(1);
break;
// ESC 7 Save Cursor (DECSC).
case '7':
this.saveCursor();
this.state = states.normal;
break;
// ESC 8 Restore Cursor (DECRC).
case '8':
this.restoreCursor();
this.state = states.normal;
break;
// ESC # 3 DEC line height/width
case '#':
this.state = states.normal;
i++;
break;
// ESC H Tab Set (HTS is 0x88).
case 'H':
this.tabSet();
break;
// ESC = Application Keypad (DECPAM).
case '=':
this.log('Serial port requested application keypad.');
this.applicationKeypad = true;
this.state = states.normal;
break;
// ESC > Normal Keypad (DECPNM).
case '>':
this.log('Switching back to normal keypad.');
this.applicationKeypad = false;
this.state = states.normal;
break;
default:
this.state = states.normal;
this.error('Unknown ESC control: %s.', ch);
break;
}
break;
case states.charset:
switch (ch) {
case '0':
// DEC Special Character and Line Drawing Set.
cs = Terminal.charsets.SCLD;
break;
case 'A':
// UK
cs = Terminal.charsets.UK;
break;
case 'B':
// United States (USASCII).
cs = Terminal.charsets.US;
break;
case '4':
// Dutch
cs = Terminal.charsets.Dutch;
break;
case 'C':
// Finnish
case '5':
cs = Terminal.charsets.Finnish;
break;
case 'R':
// French
cs = Terminal.charsets.French;
break;
case 'Q':
// FrenchCanadian
cs = Terminal.charsets.FrenchCanadian;
break;
case 'K':
// German
cs = Terminal.charsets.German;
break;
case 'Y':
// Italian
cs = Terminal.charsets.Italian;
break;
case 'E':
// NorwegianDanish
case '6':
cs = Terminal.charsets.NorwegianDanish;
break;
case 'Z':
// Spanish
cs = Terminal.charsets.Spanish;
break;
case 'H':
// Swedish
case '7':
cs = Terminal.charsets.Swedish;
break;
case '=':
// Swiss
cs = Terminal.charsets.Swiss;
break;
case '/':
// ISOLatin (actually /A)
cs = Terminal.charsets.ISOLatin;
i++;
break;
default:
// Default
cs = Terminal.charsets.US;
break;
}
this.setgCharset(this.gcharset, cs);
this.gcharset = null;
this.state = states.normal;
break;
case states.osc:
// OSC Ps ; Pt ST
// OSC Ps ; Pt BEL
// Set Text Parameters.
if (ch === '\x1b' || ch === '\x07') {
if (ch === '\x1b') i++;
this.params.push(this.currentParam);
switch (this.params[0]) {
case 0:
case 1:
case 2:
if (this.params[1]) {
this.title = this.params[1];
//handlers could not be installed
if (this.handleTitle) {
this.handleTitle(this.title);
}
}
break;
case 3:
// set X property
break;
case 4:
case 5:
// change dynamic colors
break;
case 10:
case 11:
case 12:
case 13:
case 14:
case 15:
case 16:
case 17:
case 18:
case 19:
// change dynamic ui colors
break;
case 46:
// change log file
break;
case 50:
// dynamic font
break;
case 51:
// emacs shell
break;
case 52:
// manipulate selection data
break;
case 104:
case 105:
case 110:
case 111:
case 112:
case 113:
case 114:
case 115:
case 116:
case 117:
case 118:
// reset colors
break;
}
this.params = [];
this.currentParam = 0;
this.state = states.normal;
} else {
if (!this.params.length) {
if (ch >= '0' && ch <= '9') {
this.currentParam = this.currentParam * 10 + ch.charCodeAt(0) - 48;
} else if (ch === ';') {
this.params.push(this.currentParam);
this.currentParam = '';
}
} else {
this.currentParam += ch;
}
}
break;
case states.csi:
// '?', '>', '!'
if (ch === '?' || ch === '>' || ch === '!') {
this.prefix = ch;
break;
}
// 0 - 9
if (ch >= '0' && ch <= '9') {
this.currentParam = this.currentParam * 10 + ch.charCodeAt(0) - 48;
break;
}
// '$', '"', ' ', '\''
if (ch === '$' || ch === '"' || ch === ' ' || ch === '\'') {
this.postfix = ch;
break;
}
this.params.push(this.currentParam);
this.currentParam = 0;
// ';'
if (ch === ';') break;
this.state = states.normal;
switch (ch) {
// CSI Ps A
// Cursor Up Ps Times (default = 1) (CUU).
case 'A':
this.cursorUp(this.params);
break;
// CSI Ps B
// Cursor Down Ps Times (default = 1) (CUD).
case 'B':
this.cursorDown(this.params);
break;
// CSI Ps C
// Cursor Forward Ps Times (default = 1) (CUF).
case 'C':
this.cursorForward(this.params);
break;
// CSI Ps D
// Cursor Backward Ps Times (default = 1) (CUB).
case 'D':
this.cursorBackward(this.params);
break;
// CSI Ps ; Ps H
// Cursor Position [row;column] (default = [1,1]) (CUP).
case 'H':
this.cursorPos(this.params);
break;
// CSI Ps J Erase in Display (ED).
case 'J':
this.eraseInDisplay(this.params);
break;
// CSI Ps K Erase in Line (EL).
case 'K':
this.eraseInLine(this.params);
break;
// CSI Pm m Character Attributes (SGR).
case 'm':
this.charAttributes(this.params);
break;
// CSI Ps n Device Status Report (DSR).
case 'n':
this.deviceStatus(this.params);
break;
/**
* Additions
*/
// CSI Ps @
// Insert Ps (Blank) Character(s) (default = 1) (ICH).
case '@':
this.insertChars(this.params);
break;
// CSI Ps E
// Cursor Next Line Ps Times (default = 1) (CNL).
case 'E':
this.cursorNextLine(this.params);
break;
// CSI Ps F
// Cursor Preceding Line Ps Times (default = 1) (CNL).
case 'F':
this.cursorPrecedingLine(this.params);
break;
// CSI Ps G
// Cursor Character Absolute [column] (default = [row,1]) (CHA).
case 'G':
this.cursorCharAbsolute(this.params);
break;
// CSI Ps L
// Insert Ps Line(s) (default = 1) (IL).
case 'L':
this.insertLines(this.params);
break;
// CSI Ps M
// Delete Ps Line(s) (default = 1) (DL).
case 'M':
this.deleteLines(this.params);
break;
// CSI Ps P
// Delete Ps Character(s) (default = 1) (DCH).
case 'P':
this.deleteChars(this.params);
break;
// CSI Ps X
// Erase Ps Character(s) (default = 1) (ECH).
case 'X':
this.eraseChars(this.params);
break;
// CSI Pm ` Character Position Absolute
// [column] (default = [row,1]) (HPA).
case '`':
this.charPosAbsolute(this.params);
break;
// 141 61 a * HPR -
// Horizontal Position Relative
case 'a':
this.HPositionRelative(this.params);
break;
// CSI P s c
// Send Device Attributes (Primary DA).
// CSI > P s c
// Send Device Attributes (Secondary DA)
case 'c':
//- this.sendDeviceAttributes(this.params);
break;
// CSI Pm d
// Line Position Absolute [row] (default = [1,column]) (VPA).
case 'd':
this.linePosAbsolute(this.params);
break;
// 145 65 e * VPR - Vertical Position Relative
case 'e':
this.VPositionRelative(this.params);
break;
// CSI Ps ; Ps f
// Horizontal and Vertical Position [row;column] (default =
// [1,1]) (HVP).
case 'f':
this.HVPosition(this.params);
break;
// CSI Pm h Set Mode (SM).
// CSI ? Pm h - mouse escape codes, cursor escape codes
case 'h':
//- this.setMode(this.params);
break;
// CSI Pm l Reset Mode (RM).
// CSI ? Pm l
case 'l':
//- this.resetMode(this.params);
break;
// CSI Ps ; Ps r
// Set Scrolling Region [top;bottom] (default = full size of win-
// dow) (DECSTBM).
// CSI ? Pm r
case 'r':
//- this.setScrollRegion(this.params);
break;
// CSI s
// Save cursor (ANSI.SYS).
case 's':
this.saveCursor(this.params);
break;
// CSI u
// Restore cursor (ANSI.SYS).
case 'u':
this.restoreCursor(this.params);
break;
/**
* Lesser Used
*/
// CSI Ps I
// Cursor Forward Tabulation Ps tab stops (default = 1) (CHT).
case 'I':
this.cursorForwardTab(this.params);
break;
// CSI Ps S Scroll up Ps lines (default = 1) (SU).
case 'S':
//- this.scrollUp(this.params);
break;
// CSI Ps T Scroll down Ps lines (default = 1) (SD).
// CSI Ps ; Ps ; Ps ; Ps ; Ps T
// CSI > Ps; Ps T
case 'T':
if (this.params.length < 2 && !this.prefix) {
//- this.scrollDown(this.params);
}
break;
// CSI Ps Z
// Cursor Backward Tabulation Ps tab stops (default = 1) (CBT).
case 'Z':
this.cursorBackwardTab(this.params);
break;
// CSI Ps b Repeat the preceding graphic character Ps times (REP).
case 'b':
this.repeatPrecedingCharacter(this.params);
break;
// CSI Ps g Tab Clear (TBC).
case 'g':
this.tabClear(this.params);
break;
case 'p':
switch (this.prefix) {
case '!':
this.softReset(this.params);
break;
}
break;
default:
this.error('Unknown CSI code: %s.', ch);
break;
}
this.prefix = '';
this.postfix = '';
break;
case states.dcs:
if (ch === '\x1b' || ch === '\x07') {
if (ch === '\x1b') i++;
switch (this.prefix) {
// User-Defined Keys (DECUDK).
case '':
break;
// Request Status String (DECRQSS).
// test: echo -e '\eP$q"p\e\\'
case '$q':
var pt = this.currentParam,
valid = false;
switch (pt) {
// DECSCA
case '"q':
pt = '0"q';
break;
// DECSCL
case '"p':
pt = '61"p';
break;
// DECSTBM
case 'r':
pt = '' + (this.scrollTop + 1) + ';' + (this.scrollBottom + 1) + 'r';
break;
// SGR
case 'm':
pt = '0m';
break;
default:
this.error('Unknown DCS Pt: %s.', pt);
pt = '';
break;
}
//- this.send('\x1bP' + valid + '$r' + pt + '\x1b\\');
break;
// Set Termcap/Terminfo Data (xterm, experimental).
case '+p':
break;
default:
this.error('Unknown DCS prefix: %s.', this.prefix);
break;
}
this.currentParam = 0;
this.prefix = '';
this.state = states.normal;
} else if (!this.currentParam) {
if (!this.prefix && ch !== '$' && ch !== '+') {
this.currentParam = ch;
} else if (this.prefix.length === 2) {
this.currentParam = ch;
} else {
this.prefix += ch;
}
} else {
this.currentParam += ch;
}
break;
case states.ignore:
// For PM and APC.
if (ch === '\x1b' || ch === '\x07') {
if (ch === '\x1b') i++;
this.stateData = '';
this.state = states.normal;
} else {
if (!this.stateData) this.stateData = '';
this.stateData += ch;
}
break;
}
}
this.updateRange(this.y);
this.refresh(this.refreshStart, this.refreshEnd);
};
Terminal.prototype.writeln = function (data){
// at times spaces appear in between escape chars and fixIndent fails us, so we fix it here
data = data.replace(/ /g, '&nbsp;');
// adding empty char before line break ensures that empty lines render properly
this.write(data + ' \r\n');
};
};

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static/js/terminal/termlib.js
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