Object encapsulation

encapsulate.js

return {
	encapsulate: function(o) {
		function process(prop, key) {
			var primary = prop[key];
			if (!Array.isArray(prop[key])) {
				for (var i in primary) {
					if (primary[i] !== null && typeof primary[i] === 'object') {
						process(primary, i);
					} else if (typeof primary[i] !== 'function') {
						var secondary = primary[i];
						primary[i] = this.publicize(secondary);
					}
				}
			}
			prop[key] = this.publicize(primary);
		}
		this.traverse(o, process);
		return o;
	},
	publicize: function(prop) {
		if (!Array.isArray(prop) && typeof prop !== 'function') {
			return function access(p) {
				if (p && prop[p] && typeof prop[p] === 'function') {
					return prop[p]();
				} else if (p && !prop[p]) {
					return {
						get: function(){},
						set: function(){},
						add: function(){}
					};
				} else {
					var accesses = {
						get: function() {
							return prop;
						},
						set: function(value){
							prop = value;
						},
						type: function() {
							return typeof prop;
						}
					};
					switch (typeof prop) {
						case 'number':
							$.extend(accesses, {
								add: function(n) {
									prop += parseFloat(n);
									return prop;
								}
							});
							break;
					}
					return accesses;
				}
			};
		} else {
			return prop;
		}
	},
	traverse: function(o, fn) {
		for (var i in o) {
			fn.apply(this, [o, i]);
			if (o[i] !== null && typeof o[i] === 'object' && !Array.isArray(o[i])) {
				this.traverse(o[i], fn);
			}
		}
	}
};