49 lines
1.3 KiB
JavaScript
49 lines
1.3 KiB
JavaScript
'use strict';
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/*
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command management - allow for non-ops to execute approved javascript code.
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*/
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var _commands = {};
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var _cmdInterceptors = [];
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/*
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execute a JSP command.
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*/
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var executeCmd = function(args, player){
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if (args.length === 0)
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throw new Error('Usage: jsp command-name command-parameters');
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var name = args[0];
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var cmd = _commands[name];
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if (typeof cmd === 'undefined'){
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// it's not a global command - pass it on to interceptors
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var intercepted = false;
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for (var i = 0;i < _cmdInterceptors.length;i++){
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if (_cmdInterceptors[i](args,player))
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intercepted = true;
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}
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if (!intercepted)
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console.warn('Command %s is not recognised',name);
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}else{
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var result = null;
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try {
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result = cmd.callback(args.slice(1),player);
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}catch (e){
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console.error('Error while trying to execute command: ' + JSON.stringify(args));
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throw e;
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}
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return result;
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}
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};
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/*
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define a new JSP command.
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*/
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var defineCmd = function(name, func, options, intercepts) {
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if (typeof options == 'undefined')
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options = [];
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_commands[name] = {callback: func, options: options};
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if (intercepts)
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_cmdInterceptors.push(func);
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return func;
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};
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exports.command = defineCmd;
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exports.commands = _commands;
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exports.exec = executeCmd;
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