99 lines
2.3 KiB
JavaScript
99 lines
2.3 KiB
JavaScript
/**
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* Handles commands received via chat messages.
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*/
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var CommandsProcessor = (function()
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{
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/**
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* Constructs new CommandProccessor instance from a message.
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* @param message the message
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* @constructor
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*/
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function CommandsPrototype(message)
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{
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/**
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* Extracts the command from the message.
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* @param message the received message
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* @returns {string} the command
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*/
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function getCommand(message)
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{
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if(message)
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{
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for(var command in commands)
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{
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if(message.indexOf("/" + command) == 0)
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return command;
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}
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}
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return "";
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};
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var command = getCommand(message);
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/**
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* Returns the name of the command.
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* @returns {String} the command
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*/
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this.getCommand = function()
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{
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return command;
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}
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var messageArgument = message.substr(command.length + 2);
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/**
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* Returns the arguments of the command.
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* @returns {string}
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*/
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this.getArgument = function()
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{
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return messageArgument;
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}
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}
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/**
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* Checks whether this instance is valid command or not.
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* @returns {boolean}
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*/
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CommandsPrototype.prototype.isCommand = function()
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{
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if(this.getCommand())
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return true;
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return false;
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}
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/**
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* Processes the command.
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*/
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CommandsPrototype.prototype.processCommand = function()
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{
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if(!this.isCommand())
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return;
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commands[this.getCommand()](this.getArgument());
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}
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/**
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* Processes the data for topic command.
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* @param commandArguments the arguments of the topic command.
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*/
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var processTopic = function(commandArguments)
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{
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var topic = Util.escapeHtml(commandArguments);
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connection.emuc.setSubject(topic);
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}
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/**
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* List with supported commands. The keys are the names of the commands and
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* the value is the function that processes the message.
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* @type {{String: function}}
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*/
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var commands = {
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"topic" : processTopic
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};
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return CommandsPrototype;
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})();
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