libjs-sdp-transform 1.4.0-2 / usr / share / javascript / sdp-transform / writer.min.js

var grammar=require("./grammar");var formatRegExp=/%[sdv%]/g;var format=function(formatStr){var i=1;var args=arguments;var len=args.length;return formatStr.replace(formatRegExp,function(x){if(i>=len){return x}var arg=args[i];i+=1;switch(x){case"%%":return"%";case"%s":return String(arg);case"%d":return Number(arg);case"%v":return""}})};var makeLine=function(type,obj,location){var str=obj.format instanceof Function?obj.format(obj.push?location:location[obj.name]):obj.format;var args=[type+"="+str];if(obj.names){for(var i=0;i<obj.names.length;i+=1){var n=obj.names[i];if(obj.name){args.push(location[obj.name][n])}else{args.push(location[obj.names[i]])}}}else{args.push(location[obj.name])}return format.apply(null,args)};var defaultOuterOrder=["v","o","s","i","u","e","p","c","b","t","r","z","a"];var defaultInnerOrder=["i","c","b","a"];module.exports=function(session,opts){opts=opts||{};if(session.version==null){session.version=0}if(session.name==null){session.name=" "}session.media.forEach(function(mLine){if(mLine.payloads==null){mLine.payloads=""}});var outerOrder=opts.outerOrder||defaultOuterOrder;var innerOrder=opts.innerOrder||defaultInnerOrder;var sdp=[];outerOrder.forEach(function(type){grammar[type].forEach(function(obj){if(obj.name in session&&session[obj.name]!=null){sdp.push(makeLine(type,obj,session))}else if(obj.push in session&&session[obj.push]!=null){session[obj.push].forEach(function(el){sdp.push(makeLine(type,obj,el))})}})});session.media.forEach(function(mLine){sdp.push(makeLine("m",grammar.m[0],mLine));innerOrder.forEach(function(type){grammar[type].forEach(function(obj){if(obj.name in mLine&&mLine[obj.name]!=null){sdp.push(makeLine(type,obj,mLine))}else if(obj.push in mLine&&mLine[obj.push]!=null){mLine[obj.push].forEach(function(el){sdp.push(makeLine(type,obj,el))})}})})});return sdp.join("\r\n")+"\r\n"};