123 lines
3.6 KiB
JavaScript
123 lines
3.6 KiB
JavaScript
/* jshint wsh:true */
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/*
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* readlineSync
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* https://github.com/anseki/readline-sync
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*
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* Copyright (c) 2019 anseki
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* Licensed under the MIT license.
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*/
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var
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FSO_ForReading = 1, FSO_ForWriting = 2,
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PS_MSG = 'Microsoft Windows PowerShell is required.' +
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' https://technet.microsoft.com/en-us/library/hh847837.aspx',
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input = '', fso, tty,
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options = (function(conf) {
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var options = {}, arg, args =// Array.prototype.slice.call(WScript.Arguments),
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(function() {
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var args = [], i, iLen;
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for (i = 0, iLen = WScript.Arguments.length; i < iLen; i++)
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{ args.push(WScript.Arguments(i)); }
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return args;
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})(),
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confLc = {}, key;
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function decodeArg(arg) {
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return arg.replace(/#(\d+);/g, function(str, charCode) {
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return String.fromCharCode(+charCode);
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});
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}
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for (key in conf) {
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if (conf.hasOwnProperty(key))
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{ confLc[key.toLowerCase()] = {key: key, type: conf[key]}; }
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}
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while (typeof(arg = args.shift()) === 'string') {
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if (!(arg = (arg.match(/^\-+(.+)$/) || [])[1])) { continue; }
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arg = arg.toLowerCase();
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if (confLc[arg]) {
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options[confLc[arg].key] =
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confLc[arg].type === 'boolean' ? true :
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confLc[arg].type === 'string' ? args.shift() : null;
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}
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}
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for (key in conf) {
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if (conf.hasOwnProperty(key) && conf[key] === 'string') {
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if (typeof options[key] !== 'string') { options[key] = ''; }
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else { options[key] = decodeArg(options[key]); }
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}
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}
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return options;
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})({
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display: 'string',
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displayOnly: 'boolean',
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keyIn: 'boolean',
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hideEchoBack: 'boolean',
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mask: 'string'
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});
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if (!options.hideEchoBack && !options.keyIn) {
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if (options.display) { writeTTY(options.display); }
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if (!options.displayOnly) { input = readByFSO(); }
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} else if (options.hideEchoBack && !options.keyIn && !options.mask) {
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if (options.display) { writeTTY(options.display); }
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if (!options.displayOnly) { input = readByPW(); }
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} else {
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WScript.StdErr.WriteLine(PS_MSG);
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WScript.Quit(1);
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}
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WScript.StdOut.Write('\'' + input + '\'');
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WScript.Quit();
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function writeTTY(text) {
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try {
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tty = tty || getFso().OpenTextFile('CONOUT$', FSO_ForWriting, true);
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tty.Write(text);
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} catch (e) {
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WScript.StdErr.WriteLine('TTY Write Error: ' + e.number +
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'\n' + e.description + '\n' + PS_MSG);
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WScript.Quit(e.number || 1);
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}
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}
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function readByFSO() {
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var text;
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try {
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text = getFso().OpenTextFile('CONIN$', FSO_ForReading).ReadLine();
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} catch (e) {
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WScript.StdErr.WriteLine('TTY Read Error: ' + e.number +
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'\n' + e.description + '\n' + PS_MSG);
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WScript.Quit(e.number || 1);
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}
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return text;
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}
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// TTY must be STDIN that is not redirected and not piped.
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function readByPW() {
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var text;
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try {
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text = WScript.CreateObject('ScriptPW.Password').GetPassword()
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// Bug? Illegal data may be returned when user types before initializing.
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.replace(/[\u4000-\u40FF]/g, function(chr) {
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var charCode = chr.charCodeAt(0);
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return charCode >= 0x4020 && charCode <= 0x407F ?
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String.fromCharCode(charCode - 0x4000) : '';
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});
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} catch (e) {
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WScript.StdErr.WriteLine('ScriptPW.Password Error: ' + e.number +
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'\n' + e.description + '\n' + PS_MSG);
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WScript.Quit(e.number || 1);
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}
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writeTTY('\n');
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return text;
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}
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function getFso() {
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if (!fso) { fso = new ActiveXObject('Scripting.FileSystemObject'); }
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return fso;
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}
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