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preparation for program-loader + some other changes

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overflowerror 2014-08-08 14:21:33 +02:00
parent 5c72fc7d6c
commit fdd2e4e0e6
1 changed files with 44 additions and 10 deletions
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54
data/scripts/Shell.js
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@ -1,8 +1,3 @@
ProgramManager.programs.push({
command: "sh",
code: Shell
})
var Shell = function() { var Shell = function() {
} }
Shell.prototype = new Program(); Shell.prototype = new Program();
@ -18,6 +13,9 @@ Shell.prototype.inputPosition = 0;
Shell.prototype.history = []; Shell.prototype.history = [];
Shell.prototype.historyPosition = 0; Shell.prototype.historyPosition = 0;
Shell.prototype.program = undefined;
Shell.prototype.lastExitCode = 0;
Shell.prototype.centeredOutput = function(text) { // does not work for ansi.sequences Shell.prototype.centeredOutput = function(text) { // does not work for ansi.sequences
var line = ""; var line = "";
for (var i = 0; i < text.length; i++) { for (var i = 0; i < text.length; i++) {
@ -45,6 +43,8 @@ Shell.prototype.main = function(args) {
this.home = result.home; this.home = result.home;
this.directory = result.home; this.directory = result.home;
this.output("\033[0m\033[2J\033[1;1H");
var text = "\ var text = "\
\033[31m ( ( \n\ \033[31m ( ( \n\
( ( ( ( \033[33m)\\\033[31m ) )\\ ) \n\ ( ( ( ( \033[33m)\\\033[31m ) )\\ ) \n\
@ -66,24 +66,29 @@ _(())\\_)()((_)((_)_ )\\___ \033[33m(_)\033[31m) (_)) \n\
this.centeredOutput("\ this.centeredOutput("\
Welcome to Webcli\n\ Welcome to Webcli\n\
================="); =================");
this.output("\n\n\033[0mYou are logged in as \"" + this.username + "\". Use `su` to change your user."); this.output("\n\n\033[0mYou are logged in as \"" + this.username + "\". Use `su` to change your user.\n\n");
this.displayPrompt(); this.displayPrompt();
} }
Shell.prototype.displayPrompt = function() { Shell.prototype.displayPrompt = function() {
var text = this.prompt; var text = this.prompt;
while (text.indexOf("\\u") != -1) while (text.indexOf("\\u") != -1)
text = text.replace("\\u", this.username); text = text.replace("\\u", this.username);
while (text.indexOf("\\?") != -1)
text = text.replace("\\?", this.lastExitCode);
while (text.indexOf("\\h") != -1) while (text.indexOf("\\h") != -1)
text = text.replace("\\h", this.hostname); text = text.replace("\\h", this.hostname);
while (text.indexOf("\\w") != -1) while (text.indexOf("\\w") != -1)
text = text.replace("\\w", this.directory); text = text.replace("\\w", this.directory.indexOf(this.home) == 0 ? this.directory.replace(this.home, "~") : this.directory);
while (text.indexOf("\\t") != -1) while (text.indexOf("\\t") != -1)
text = text.replace("\\t", new Date().getHours() + ":" + new Date().getMinutes()); text = text.replace("\\t", pad(new Date().getHours()) + ":" + pad(new Date().getMinutes()));
while (text.indexOf("\\$") != -1) while (text.indexOf("\\$") != -1)
text = text.replace("\\$", (this.uid == 1 ? "#" : "$")); text = text.replace("\\$", (this.uid == 1 ? "#" : "$"));
this.output("\033[2K\033[1G" + text + this.input + "\033[" + (this.input.length - this.inputPosition) + "D"); this.output("\033[2K\033[1G" + text + this.input + "\033[" + (this.input.length - this.inputPosition) + "D");
} }
Shell.prototype.handleKey = function(keyEvent) { Shell.prototype.handleKey = function(keyEvent) {
if (this.porgram) {
this.program.handleKey(keyEvent);
}
if (keyEvent.isSpecialKey) { if (keyEvent.isSpecialKey) {
var ke = KeyEvent.SpecialKeys; var ke = KeyEvent.SpecialKeys;
switch(keyEvent.key) { switch(keyEvent.key) {
@ -91,8 +96,6 @@ Shell.prototype.handleKey = function(keyEvent) {
this.output("\n"); this.output("\n");
this.history.push(this.input); this.history.push(this.input);
this.historyPosition = this.history.length; this.historyPosition = this.history.length;
this.input = "";
this.inputPosition = 0;
this.exec(); this.exec();
break; break;
case ke.backspace: case ke.backspace:
@ -136,6 +139,8 @@ Shell.prototype.handleKey = function(keyEvent) {
this.inputPosition = this.input.length; this.inputPosition = this.input.length;
this.displayPrompt(); this.displayPrompt();
break; break;
default:
break;
} }
} else { } else {
var tmp = this.input.split(""); var tmp = this.input.split("");
@ -144,3 +149,32 @@ Shell.prototype.handleKey = function(keyEvent) {
this.displayPrompt(); this.displayPrompt();
} }
} }
Shell.prototype.exec = function() {
var args = this.input.split(" ");
this.input = "";
this.inputPosition = 0;
for (var i = 0; i < ProgramManager.programs.length; i++) {
if (ProgramManager.programs[i].command == args[0]) {
this.program = new ProgramManager.programs[i].code();
this.program.init();
this.program.exit = function(code) {
shell.program = undefined;
shell.lastExitCode = code;
shell.displayPrompt();
}
this.program.output = function(text) {
shell.output(text);
}
this.program.main(args);
return;
}
}
this.output("\033[31msh: " + args[0] + ": command not found\033[0m\n");
this.lastExitCode = 127;
this.displayPrompt();
}
ProgramManager.programs.push({
command: "sh",
code: Shell
})