Userscripts.org

There are 3 previous versions of this script.

// ==UserScript==
// @name           SkreemN Monkey
// @description    Provides links to download MP3s
// @namespace      http://userscripts.org/users/7497/
// @include        http://skreemr.org/*
// @include        http://*.skreemr.org/*
// ==/UserScript==

// Add jQuery
var SM_JQ = document.createElement('script');
SM_JQ.src = 'http://jquery.com/src/jquery-latest.js';
SM_JQ.type = 'text/javascript';
document.getElementsByTagName('head')[0].appendChild(SM_JQ);

// Check if jQuery's loaded
function SM_wait() {
	if(typeof unsafeWindow.jQuery == 'undefined') { window.setTimeout(SM_wait,100); }
	else { $ = unsafeWindow.jQuery; SkreemNMonkey(); }
}
SM_wait();

function SkreemNMonkey() {
	
	var players = $("object[data='audio/player.swf']");
	
	players.each(function() {
		var player = $(this);
		
		var playvars = SM_Deparam(player.children("param[name='FlashVars']").attr("value"));
		
		if (playvars.soundFile != undefined) {
			player.closest("table").children("tbody").find(".album").next("div").append("| <a href=\"" + decodeURIComponent(playvars.soundFile) 
				+ "\" target=\"_blank\" class=\"snap_noshots\" onmouseover=\"Tip('Download the MP3 from the source website.', BALLOON, true, ABOVE, true, OFFSETX, 0);\">Source</a>");
		}
	});
	
}

function SM_Deparam(params, coerce) {
	var obj = {}, coerce_types = { 'true': !0, 'false': !1, 'null': null };
	
	// Iterate over all name=value pairs.
	$.each(params.replace(/\+/g, ' ').split('&'), function(j, v) {
		var param = v.split('='),
				key = decodeURIComponent(param[0]),
				val,
				cur = obj,
				i = 0,

		// If key is more complex than 'foo', like 'a[]' or 'a[b][c]', split it
		// into its component parts.
				keys = key.split(']['),
				keys_last = keys.length - 1;

		// If the first keys part contains [ and the last ends with ], then []
		// are correctly balanced.
		if (/\[/.test(keys[0]) && /\]$/.test(keys[keys_last])) {
			// Remove the trailing ] from the last keys part.
			keys[keys_last] = keys[keys_last].replace(/\]$/, '');

			// Split first keys part into two parts on the [ and add them back onto
			// the beginning of the keys array.
			keys = keys.shift().split('[').concat(keys);

			keys_last = keys.length - 1;
		} else {
			// Basic 'foo' style key.
			keys_last = 0;
		}

		// Are we dealing with a name=value pair, or just a name?
		if (param.length === 2) {
			val = decodeURIComponent(param[1]);

			// Coerce values.
			if (coerce) {
				val = val && !isNaN(val) ? +val              // number
					: val === 'undefined' ? undefined         // undefined
					: coerce_types[val] !== undefined ? coerce_types[val] // true, false, null
					: val;                                                // string
			}

			if (keys_last) {
				// Complex key, build deep object structure based on a few rules:
				// * The 'cur' pointer starts at the object top-level.
				// * [] = array push (n is set to array length), [n] = array if n is 
				//   numeric, otherwise object.
				// * If at the last keys part, set the value.
				// * For each keys part, if the current level is undefined create an
				//   object or array based on the type of the next keys part.
				// * Move the 'cur' pointer to the next level.
				// * Rinse & repeat.
				for (; i <= keys_last; i++) {
					key = keys[i] === '' ? cur.length : keys[i];
					cur = cur[key] = i < keys_last
							? cur[key] || (keys[i + 1] && isNaN(keys[i + 1]) ? {} : [])
							: val;
				}

			} else {
				// Simple key, even simpler rules, since only scalars and shallow
				// arrays are allowed.

				if ($.isArray(obj[key])) {
					// val is already an array, so push on the next value.
					obj[key].push(val);

				} else if (obj[key] !== undefined) {
					// val isn't an array, but since a second value has been specified,
					// convert val into an array.
					obj[key] = [obj[key], val];

				} else {
					// val is a scalar.
					obj[key] = val;
				}
			}

		} else if (key) {
			// No value was defined, so set something meaningful.
			obj[key] = coerce
					? undefined
					: '';
		}
	});

	return obj;
}