static CSSPrimitiveValue Image(List <CSSValue> arguments)
{
if (arguments.Count == 0)
{
return(null);
}
var imageList = new List <Url>();
foreach (var argument in arguments)
{
var uri = argument.ToUri();
if (uri == null)
{
var s = argument.ToCssString();
if (s != null)
{
uri = new CssUrl(s);
}
else
{
return(null);
}
}
imageList.Add(new Url(uri));
}
return(new CSSPrimitiveValue(UnitType.ImageList, new CssImages(imageList)));
}
private IReadOnlyCollection <CssUrl> ParseUrls(string localCssFilePath, string cssFileWebUrl, string cssContent)
{
// We expcet URLs in the format url(/.resources/xxx/webresources/resources/slick.eot?#iefix)
// We also remove URLs with 'data', as they are not real files
var urlRegex = new Regex(@"(url\()(?<urlVal>.+?)(\))");
var matches = urlRegex.Matches(cssContent);
var result = new List <CssUrl>();
matches.ForEach(
match =>
{
var relativeWebUrl = match.Groups["urlVal"].Value;
if (relativeWebUrl.Contains("data:", StringComparison.OrdinalIgnoreCase))
{
return;
}
var absoluteWebUrl = _pathAligner.AlignUrl(cssFileWebUrl, relativeWebUrl);
var localFullFileName = _pathAligner.AlignFilePath(localCssFilePath, relativeWebUrl);
var url = new CssUrl(relativeWebUrl, localFullFileName, absoluteWebUrl);
result.Add(url);
});
return(result);
}
public CSSPrimitiveValue(CssUrl url)
: this(UnitType.Uri, url)
{
}