benelog/preview.js

## preview.js
var server = require('webserver').create();

var service = server.listen(18080, function (request, response) {
    var params = parseQueryString(request.url);

    render(params.address, params.output);

    response.statusCode = 200;
    response.write("<html><body>");
    response.write("<p>" + params.output + " writed! </p>");
    response.write("</body></html>");
    response.close();
});


function parseQueryString(url) {

    var queryString = url.substr(url.indexOf("?"));

    if(queryString.substr(0, 1) == '?') {
       queryString = queryString.substr(1);
    }

    var pairs = queryString.split('&');

    var params = new Object();

    for (var i = 0, n = pairs.length; i < n; i++) {
        var parts = pairs[i].split('=');
        params[parts[0]] = decodeURI(parts[1]);
    }

    return params;
}


function render(address, output){

	if (address == null) {
		return;
	}
	var page = require('webpage').create(), size;

	console.log("source url : "  + address);

 	page.viewportSize = { width: 600, height: 600 };
	page.open(address, function (status) {
        if (status !== 'success') {
            console.log('Unable to load the address!');
        } else {
            page.render(output);
            console.log("output file : " + output);
        }
    });
}
	var server = require('webserver').create();

	var service = server.listen(18080, function (request, response) {
	var params = parseQueryString(request.url);

	render(params.address, params.output);

	response.statusCode = 200;
	response.write("<html><body>");
	response.write("<p>" + params.output + " writed! </p>");
	response.write("</body></html>");
	response.close();
	});


	function parseQueryString(url) {

	var queryString = url.substr(url.indexOf("?"));

	if(queryString.substr(0, 1) == '?') {
	queryString = queryString.substr(1);
	}

	var pairs = queryString.split('&');

	var params = new Object();

	for (var i = 0, n = pairs.length; i < n; i++) {
	var parts = pairs[i].split('=');
	params[parts[0]] = decodeURI(parts[1]);
	}

	return params;
	}


	function render(address, output){

	if (address == null) {
	return;
	}
	var page = require('webpage').create(), size;

	console.log("source url : " + address);

	page.viewportSize = { width: 600, height: 600 };
	page.open(address, function (status) {
	if (status !== 'success') {
	console.log('Unable to load the address!');
	} else {
	page.render(output);
	console.log("output file : " + output);
	}
	});
	}