sdmx2jsonstat

#!/usr/bin/env node

var
	utils=require("jsonstat-suite"),
	argv=require("yargs")
		.version()
		.usage("Usage:\n  $0 [input filename] [output filename]\n  $0 < [input] > [output] -t")
		.example("$0 sdmx.json jsonstat.json", "converts SDMX-JSON file sdmx.json into JSON-stat (jsonstat.json).")
		.example("$0 < sdmx.json > jsonstat.json -t", "converts JSDMX-JSON stream sdmx.json into a JSON-stat stream (jsonstat.json).")
		.boolean("o")
		.alias("o", "ovalue")
		.describe("o", "Type of value: object instead of array")
		.boolean("s")
		.alias("s", "ostatus")
		.describe("s", "Type of status: object instead of array")
		.boolean("t")
		.alias("t", "stream")
		.describe("t", "Enable the stream interface")
		.help("h")
		.alias("h", "help")
		.argv
	,
	inout=require("./inout"),

	callback=function(contents){
		try{
			var json=JSON.parse(contents);
		}catch (e){
			console.error("Error: The input does not containt JSON.");
			process.exit(1);
		}

		var json=utils.fromSDMX(
			json,
			{
				ovalue: argv.ovalue,
				ostatus: argv.ostatus
			}
		);

		if(json===null){
			console.error("Error: Check your SDMX-JSON. Only flat SDMX-JSON with a single dataset is supported.");
			process.exit(1);
		}else{
			return json;
		}
	}
;

inout.main(argv, callback);