GoScrobble/web/node_modules/cssom/lib/CSSImportRule.js

133 lines
3.2 KiB
JavaScript

//.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;
Object.defineProperty(CSSOM.CSSImportRule.prototype, "cssText", {
get: function() {
var mediaText = this.media.mediaText;
return "@import url(" + this.href + ")" + (mediaText ? " " + mediaText : "") + ";";
},
set: function(cssText) {
var i = 0;
/**
* @import url(partial.css) screen, handheld;
* || |
* after-import media
* |
* url
*/
var state = '';
var buffer = '';
var index;
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