//.CommonJS
var CSSOM = {
	CSSRule: require("./CSSRule").CSSRule,
	CSSStyleSheet: require("./CSSStyleSheet").CSSStyleSheet,
	MediaList: require("./MediaList").MediaList
};
///CommonJS


/**
 * @constructor
 * @see http://dev.w3.org/csswg/cssom/#cssimportrule
 * @see http://www.w3.org/TR/DOM-Level-2-Style/css.html#CSS-CSSImportRule
 */
CSSOM.CSSImportRule = function CSSImportRule() {
	CSSOM.CSSRule.call(this);
	this.href = "";
	this.media = new CSSOM.MediaList;
	this.styleSheet = new CSSOM.CSSStyleSheet;
};

CSSOM.CSSImportRule.prototype = new CSSOM.CSSRule;
CSSOM.CSSImportRule.prototype.constructor = CSSOM.CSSImportRule;
CSSOM.CSSImportRule.prototype.type = 3;
CSSOM.CSSImportRule.prototype.__defineGetter__("cssText", function() {
	var mediaText = this.media.mediaText;
	return "@import url(" + this.href + ")" + (mediaText ? " " + mediaText : "") + ";";
});

CSSOM.CSSImportRule.prototype.__defineSetter__("cssText", function(cssText) {
	var i = 0;

	/**
	 * @import url(partial.css) screen, handheld;
	 *        ||               |
	 *        after-import     media
	 *         |
	 *         url
	 */
	var state = '';

	var buffer = '';
	var index;
	var mediaText = '';
	for (var character; character = cssText.charAt(i); i++) {

		switch (character) {
			case ' ':
			case '\t':
			case '\r':
			case '\n':
			case '\f':
				if (state === 'after-import') {
					state = 'url';
				} else {
					buffer += character;
				}
				break;

			case '@':
				if (!state && cssText.indexOf('@import', i) === i) {
					state = 'after-import';
					i += 'import'.length;
					buffer = '';
				}
				break;

			case 'u':
				if (state === 'url' && cssText.indexOf('url(', i) === i) {
					index = cssText.indexOf(')', i + 1);
					if (index === -1) {
						throw i + ': ")" not found';
					}
					i += 'url('.length;
					var url = cssText.slice(i, index);
					if (url[0] === url[url.length - 1]) {
						if (url[0] === '"' || url[0] === "'") {
							url = url.slice(1, -1);
						}
					}
					this.href = url;
					i = index;
					state = 'media';
				}
				break;

			case '"':
				if (state === 'url') {
					index = cssText.indexOf('"', i + 1);
					if (!index) {
						throw i + ": '\"' not found";
					}
					this.href = cssText.slice(i + 1, index);
					i = index;
					state = 'media';
				}
				break;

			case "'":
				if (state === 'url') {
					index = cssText.indexOf("'", i + 1);
					if (!index) {
						throw i + ': "\'" not found';
					}
					this.href = cssText.slice(i + 1, index);
					i = index;
					state = 'media';
				}
				break;

			case ';':
				if (state === 'media') {
					if (buffer) {
						this.media.mediaText = buffer.trim();
					}
				}
				break;

			default:
				if (state === 'media') {
					buffer += character;
				}
				break;
		}
	}
});


//.CommonJS
exports.CSSImportRule = CSSOM.CSSImportRule;
///CommonJS
