public static string Adjust(string content, Config config)
{
string cssFileContents = content;
string absoluteOutputPath = config.GetAbsoluteOutputFile().FullName;
// apply the RegEx to the file (to change relative paths)
var matches = _rxUrl.Matches(cssFileContents);
// Ignore the file if no match
if (matches.Count > 0)
{
string cssDirectoryPath = config.GetAbsoluteInputFile().DirectoryName;
if (!Directory.Exists(cssDirectoryPath))
{
return(cssFileContents);
}
foreach (Match match in matches)
{
string quoteDelimiter = match.Groups[1].Value; //url('') vs url("")
string relativePathToCss = match.Groups[2].Value;
// Ignore root relative references
if (relativePathToCss.StartsWith("/", StringComparison.Ordinal))
{
continue;
}
//prevent query string from causing error
var pathAndQuery = relativePathToCss.Split(new[] { '?' }, 2, StringSplitOptions.RemoveEmptyEntries);
var pathOnly = pathAndQuery[0];
var queryOnly = pathAndQuery.Length == 2 ? pathAndQuery[1] : string.Empty;
string absolutePath = GetAbsolutePath(cssDirectoryPath, pathOnly);
if (string.IsNullOrEmpty(absoluteOutputPath) || string.IsNullOrEmpty(absolutePath))
{
continue;
}
string serverRelativeUrl = FileHelpers.MakeRelative(absoluteOutputPath, absolutePath);
if (!string.IsNullOrEmpty(queryOnly))
{
serverRelativeUrl += "?" + queryOnly;
}
string replace = string.Format("url({0}{1}{0})", quoteDelimiter, serverRelativeUrl);
cssFileContents = cssFileContents.Replace(match.Groups[0].Value, replace);
}
}
return(cssFileContents);
}
private void Processor_AfterWritingSourceMap(object sender, SourceMapEventArgs e)
{
Log.LogMessage(MessageImportance.High, "\tSourceMap " + FileHelpers.MakeRelative(FileName, e.ResultFile));
}
private void FileMinifier_AfterWritingGzipFile(object sender, MinifyFileEventArgs e)
{
Log.LogMessage(MessageImportance.High, "\tGzipped " + FileHelpers.MakeRelative(FileName, e.ResultFile));
}