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Improved UTF8 support on the server

This commit is contained in:
Ylian Saint-Hilaire 2018-07-06 10:13:19 -07:00
parent 3dafa39e79
commit b41eb7fb55
14 changed files with 41 additions and 111 deletions

View file

@ -35,14 +35,6 @@ var CreateAmtRemoteTerminal = function (divid) {
var _tscreen = [];
var _VTUNDERLINE = 1;
var _VTREVERSE = 2;
// ###BEGIN###{Terminal-Enumation-All}
var _utf8accumulator = 0;
var _utf8accumulatorCount = 0;
// ###END###{Terminal-Enumation-All}
// ###BEGIN###{Terminal-Enumation-UTF8}
var _utf8accumulator = 0;
var _utf8accumulatorCount = 0;
// ###END###{Terminal-Enumation-UTF8}
obj.Start = function () { }
@ -60,7 +52,15 @@ var CreateAmtRemoteTerminal = function (divid) {
obj.xxStateChange = function(newstate) { }
obj.ProcessData = function (str) { if (obj.capture != null) obj.capture += str; _ProcessVt100EscString(str); obj.TermDraw(); }
obj.ProcessData = function (str) {
// ###BEGIN###{Terminal-Enumation-UTF8}
//str = decode_utf8(str);
// ###END###{Terminal-Enumation-UTF8}
// ###BEGIN###{Terminal-Enumation-All}
if (obj.terminalEmulation == 0) { str = decode_utf8(str); }
// ###END###{Terminal-Enumation-All}
if (obj.capture != null) obj.capture += str; _ProcessVt100EscString(str); obj.TermDraw();
}
function _ProcessVt100EscString(str) { for (var i = 0; i < str.length; i++) _ProcessVt100EscChar(String.fromCharCode(str.charCodeAt(i)), str.charCodeAt(i)); }
@ -363,48 +363,11 @@ var CreateAmtRemoteTerminal = function (divid) {
function _ProcessVt100Char(c) {
if (c == '\0' || c.charCodeAt() == 7) return; // Ignore null & bell
var ch = c.charCodeAt();
// ###BEGIN###{Terminal-Enumation-All}
// UTF8 Terminal
if (obj.terminalEmulation == 0) {
// VT100 - UTF-8 emulation
var fallout = true;
if ((ch & 0x80) == 0) {
// Sub 127 char.
_utf8accumulator = ch;
_utf8accumulatorCount = 0;
fallout = false;
}
else if ((ch & 0xE0) == 0xC0) {
// 2 byte char
_utf8accumulator = (ch & 0x1F);
_utf8accumulatorCount = 1;
fallout = true;
}
else if ((ch & 0xF0) == 0xE0) {
// 3 byte char
_utf8accumulator = (ch & 0x0F);
_utf8accumulatorCount = 2;
fallout = true;
}
else if ((ch & 0xC0) == 0x80) {
if (_utf8accumulatorCount > 0) {
_utf8accumulator = (_utf8accumulator << 6);
_utf8accumulator += (ch & 0x3F);
_utf8accumulatorCount--;
fallout = (_utf8accumulatorCount != 0);
}
else {
_utf8accumulator = 0;
_utf8accumulatorCount = 0;
fallout = true;
}
}
if (fallout == true) return;
c = String.fromCharCode(_utf8accumulator);
} else if (obj.terminalEmulation == 1) {
if (obj.terminalEmulation == 1) {
// ANSI - Extended ASCII emulation.
if ((ch & 0x80) != 0) { c = String.fromCharCode(AsciiToUnicode[ch & 0x7F]); }
} else if (obj.terminalEmulation == 2) {
@ -413,52 +376,14 @@ var CreateAmtRemoteTerminal = function (divid) {
}
// ###END###{Terminal-Enumation-All}
// ###BEGIN###{Terminal-Enumation-UTF8}
// VT100 - UTF-8 emulation
var fallout = true;
if ((ch & 0x80) == 0) {
// Sub 127 char.
_utf8accumulator = ch;
_utf8accumulatorCount = 0;
fallout = false;
}
else if ((ch & 0xE0) == 0xC0) {
// 2 byte char
_utf8accumulator = (ch & 0x1F);
_utf8accumulatorCount = 1;
fallout = true;
}
else if ((ch & 0xF0) == 0xE0) {
// 3 byte char
_utf8accumulator = (ch & 0x0F);
_utf8accumulatorCount = 2;
fallout = true;
}
else if ((ch & 0xC0) == 0x80) {
if (_utf8accumulatorCount > 0) {
_utf8accumulator = (_utf8accumulator << 6);
_utf8accumulator += (ch & 0x3F);
_utf8accumulatorCount--;
fallout = (_utf8accumulatorCount != 0);
}
else {
_utf8accumulator = 0;
_utf8accumulatorCount = 0;
fallout = true;
}
}
if (fallout == true) return;
c = String.fromCharCode(_utf8accumulator);
// ###END###{Terminal-Enumation-UTF8}
// ###BEGIN###{Terminal-Enumation-ASCII}
// ANSI - Extended ASCII emulation.
if ((ch & 0x80) != 0) { c = String.fromCharCode(AsciiToUnicode[ch & 0x7F]); }
//if ((ch & 0x80) != 0) { c = String.fromCharCode(AsciiToUnicode[ch & 0x7F]); }
// ###END###{Terminal-Enumation-ASCII}
// ###BEGIN###{Terminal-Enumation-Intel}
// ANSI - Intel Extended ASCII emulation.
if ((ch & 0x80) != 0) { c = String.fromCharCode(AsciiToUnicodeIntel[ch & 0x7F]); }
//if ((ch & 0x80) != 0) { c = String.fromCharCode(AsciiToUnicodeIntel[ch & 0x7F]); }
// ###END###{Terminal-Enumation-Intel}
//if (ch < 32 && ch != 10 && ch != 13) alert(ch);