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nuintun
2015-11-24 22:00:46 +08:00
parent 085a5cf350
commit 32ae3adceb
24 changed files with 149 additions and 142 deletions
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105
static/js/terminal/lib/write.js
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@@ -19,41 +19,47 @@ function fixIndent(data){
.split('\n')
.map(function (line){
var count = 0;
while (line.charAt(0) === ' ') {
line = line.slice(1);
count++;
}
while (count--) {
line = ' ' + 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;
var l = data.length;
var i = 0;
var cs, ch;
this.refreshStart = this.y;
this.refreshEnd = this.y;
@@ -63,22 +69,16 @@ module.exports = function (Terminal){
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':
@@ -86,47 +86,42 @@ module.exports = function (Terminal){
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++;
@@ -150,38 +145,32 @@ module.exports = function (Terminal){
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':
@@ -190,22 +179,20 @@ module.exports = function (Terminal){
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
@@ -236,7 +223,6 @@ module.exports = function (Terminal){
}
this.state = states.charset;
break;
// Designate G3 Character Set (VT300).
// A = ISO Latin-1 Supplemental.
// Not implemented.
@@ -245,7 +231,6 @@ module.exports = function (Terminal){
this.state = states.charset;
i--;
break;
// ESC N
// Single Shift Select of G2 Character Set
// ( SS2 is 0x8e). This affects next character only.
@@ -281,51 +266,43 @@ module.exports = function (Terminal){
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':
@@ -393,11 +370,12 @@ module.exports = function (Terminal){
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
@@ -418,7 +396,6 @@ module.exports = function (Terminal){
if (this.handleTitle) {
this.handleTitle(this.title);
}
}
break;
case 3:
@@ -483,7 +460,6 @@ module.exports = function (Terminal){
}
}
break;
case states.csi:
// '?', '>', '!'
if (ch === '?' || ch === '>' || ch === '!') {
@@ -517,51 +493,42 @@ module.exports = function (Terminal){
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
*/
@@ -571,61 +538,51 @@ module.exports = function (Terminal){
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
@@ -633,37 +590,31 @@ module.exports = function (Terminal){
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).
@@ -671,19 +622,16 @@ module.exports = function (Terminal){
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
*/
@@ -693,12 +641,10 @@ module.exports = function (Terminal){
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
@@ -707,18 +653,15 @@ module.exports = function (Terminal){
//- 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);
@@ -730,7 +673,6 @@ module.exports = function (Terminal){
break;
}
break;
default:
this.error('Unknown CSI code: %s.', ch);
break;
@@ -739,7 +681,6 @@ module.exports = function (Terminal){
this.prefix = '';
this.postfix = '';
break;
case states.dcs:
if (ch === '\x1b' || ch === '\x07') {
if (ch === '\x1b') i++;
@@ -748,47 +689,37 @@ module.exports = function (Terminal){
// 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;
@@ -809,7 +740,6 @@ module.exports = function (Terminal){
this.currentParam += ch;
}
break;
case states.ignore:
// For PM and APC.
if (ch === '\x1b' || ch === '\x07') {
@@ -831,6 +761,7 @@ module.exports = function (Terminal){
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');
};