_process_options: function()

in TestApplications/Web/js/lib/components/bootstrap-datepicker.js [146:265]
105 lines of code
31 McCabe index (conditional complexity)

		_process_options: function(opts){
			// Store raw options for reference
			this._o = $.extend({}, this._o, opts);
			// Processed options
			var o = this.o = $.extend({}, this._o);

			// Check if "de-DE" style date is available, if not language should
			// fallback to 2 letter code eg "de"
			var lang = o.language;
			if (!dates[lang]){
				lang = lang.split('-')[0];
				if (!dates[lang])
					lang = defaults.language;
			}
			o.language = lang;

			switch (o.startView){
				case 2:
				case 'decade':
					o.startView = 2;
					break;
				case 1:
				case 'year':
					o.startView = 1;
					break;
				default:
					o.startView = 0;
			}

			switch (o.minViewMode){
				case 1:
				case 'months':
					o.minViewMode = 1;
					break;
				case 2:
				case 'years':
					o.minViewMode = 2;
					break;
				default:
					o.minViewMode = 0;
			}

			o.startView = Math.max(o.startView, o.minViewMode);

			// true, false, or Number > 0
			if (o.multidate !== true){
				o.multidate = Number(o.multidate) || false;
				if (o.multidate !== false)
					o.multidate = Math.max(0, o.multidate);
				else
					o.multidate = 1;
			}
			o.multidateSeparator = String(o.multidateSeparator);

			o.weekStart %= 7;
			o.weekEnd = ((o.weekStart + 6) % 7);

			var format = DPGlobal.parseFormat(o.format);
			if (o.startDate !== -Infinity){
				if (!!o.startDate){
					if (o.startDate instanceof Date)
						o.startDate = this._local_to_utc(this._zero_time(o.startDate));
					else
						o.startDate = DPGlobal.parseDate(o.startDate, format, o.language);
				}
				else {
					o.startDate = -Infinity;
				}
			}
			if (o.endDate !== Infinity){
				if (!!o.endDate){
					if (o.endDate instanceof Date)
						o.endDate = this._local_to_utc(this._zero_time(o.endDate));
					else
						o.endDate = DPGlobal.parseDate(o.endDate, format, o.language);
				}
				else {
					o.endDate = Infinity;
				}
			}

			o.daysOfWeekDisabled = o.daysOfWeekDisabled||[];
			if (!$.isArray(o.daysOfWeekDisabled))
				o.daysOfWeekDisabled = o.daysOfWeekDisabled.split(/[,\s]*/);
			o.daysOfWeekDisabled = $.map(o.daysOfWeekDisabled, function(d){
				return parseInt(d, 10);
			});

			var plc = String(o.orientation).toLowerCase().split(/\s+/g),
				_plc = o.orientation.toLowerCase();
			plc = $.grep(plc, function(word){
				return (/^auto|left|right|top|bottom$/).test(word);
			});
			o.orientation = {x: 'auto', y: 'auto'};
			if (!_plc || _plc === 'auto')
				; // no action
			else if (plc.length === 1){
				switch (plc[0]){
					case 'top':
					case 'bottom':
						o.orientation.y = plc[0];
						break;
					case 'left':
					case 'right':
						o.orientation.x = plc[0];
						break;
				}
			}
			else {
				_plc = $.grep(plc, function(word){
					return (/^left|right$/).test(word);
				});
				o.orientation.x = _plc[0] || 'auto';

				_plc = $.grep(plc, function(word){
					return (/^top|bottom$/).test(word);
				});
				o.orientation.y = _plc[0] || 'auto';
			}
		},