protected string ProcessAppendHash(Uri cssRootPathUri, string fileContents)
{
if (_localCssAssetFilesThatExist == null)
{
_localCssAssetFilesThatExist = new List <FileInfo>();
}
var distinctLocalPaths = CssPathRewriter.FindDistinctLocalPaths(fileContents);
var distinctLocalPathsThatExist = new List <Uri>();
foreach (var distinctLocalPath in distinctLocalPaths)
{
var cssAssetFileInfo = new FileInfo(PathProvider.MapPath(cssRootPathUri, distinctLocalPath));
if (!cssAssetFileInfo.Exists)
{
continue;
}
distinctLocalPathsThatExist.Add(distinctLocalPath);
_localCssAssetFilesThatExist.Add(cssAssetFileInfo);
}
return(CssPathRewriter.RewriteCssPathsToAppendHash(distinctLocalPathsThatExist, cssRootPathUri, fileContents));
}
private IEnumerable <CssAsset> GetCssAssets(Uri cssAbsoluteUriDirectory, string fileContents)
{
var distinctLocalPaths = _cssPathRewriter.FindDistinctLocalPaths(fileContents);
return(distinctLocalPaths
.Select(distinctLocalPath => new CssAsset
{
File = new FileInfo(new Uri(_pathProvider.MapPath(cssAbsoluteUriDirectory, distinctLocalPath)).LocalPath),
Url = distinctLocalPath
})
.Where(cssAssetFileInfo => cssAssetFileInfo.File.Exists));
}