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Add unicode support for terminal #6

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Add unicode support for terminal #6

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11 changes: 10 additions & 1 deletion notebook_xterm/terminalclient.js
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,15 @@ var MIN_POLL_INTERVAL = 100;
var BACKOFF_RATE = 1.8;
var PY_XTERM_INSTANCE = 'get_ipython().find_magic("xterm").__self__';
var PY_TERMINAL_SERVER = PY_XTERM_INSTANCE + '.getTerminalServer()';

function b64DecodeUnicode(str) {
// From https://stackoverflow.com/questions/30106476/using-javascripts-atob-to-decode-base64-doesnt-properly-decode-utf-8-strings
// Going backwards: from bytestream, to percent-encoding, to original string.
return decodeURIComponent(atob(str).split('').map(function (c) {
return '%' + ('00' + c.charCodeAt(0).toString(16)).slice(-2);
}).join(''));
}

function TerminalClient(elem) {
this.closed = false;
// require xterm.js
Expand Down Expand Up @@ -120,7 +129,7 @@ TerminalClient.prototype.receive_data_callback = function(data) {
}

try {
var decoded = atob(data.content.text);
var decoded = b64DecodeUnicode(data.content.text);
this.term.write(decoded);
}
catch(e) {
Expand Down