nl_tokens: / * ! MinPubSub modified for use on Kalendae Copyright ( c ) 2011 Daniel Lamb <daniellmb . com > https : // github . com / daniellmb / MinPubSub MIT Licensed
pl_tokens: function ( d ) { if ( ! d ) d = this ; // the topic/subscription hash var cache = d . c_ || { } ; //check for "c_" cache for unit testing d . publish = function ( /* String */ topic , /* Object */ target , /* Array? */ args ) { // summary: //		Publish some data on a named topic. // topic: String //		The channel to publish on // args: Array? //		The data to publish. Each array item is converted into an ordered //		arguments on the subscribed functions. // // example: //		Publish stuff on '/some/topic'. Anything subscribed will be called //		with a function signature like: function(a,b,c){ ... } // //		publish("/some/topic", ["a","b","c"]); var subs = cache [ topic ] , len = subs ? subs . length : 0 , r ; //can change loop or reverse array if the order matters while ( len -- ) { r = subs [ len ] . apply ( target , args || [ ] ) ; if ( typeof r === 'boolean' ) return r ; } } ; d . subscribe = function ( /* String */ topic , /* Function */ callback , /* Boolean */ topPriority ) { // summary: //		Register a callback on a named topic. // topic: String //		The channel to subscribe to // callback: Function //		The handler event. Anytime something is publish'ed on a //		subscribed channel, the callback will be called with the //		published array as ordered arguments. // // returns: Array //		A handle which can be used to unsubscribe this particular subscription. // // example: //		subscribe("/some/topic", function(a, b, c){ /* handle data */ }); if ( ! cache [ topic ] ) { cache [ topic ] = [ ] ; } if ( topPriority ) cache [ topic ] . push ( callback ) ; else cache [ topic ] . unshift ( <mask> ) ; return [ topic , callback ] ; // Array } ; d . unsubscribe = function ( /* Array */ handle ) { // summary: //		Disconnect a subscribed function for a topic. // handle: Array //		The return value from a subscribe call. // example: //		var handle = subscribe("/some/topic", function(){}); //		unsubscribe(handle); var subs = cache [ handle [ 0 ] ] , callback = handle [ 1 ] , len = subs ? subs . length : 0 ; while ( len -- ) { if ( subs [ len ] === callback ) { subs . splice ( len , 1 ) ; } } } ; }