public void Reset()
{
lock (sync)
{
isEnabled = false;
var settings = options.Value;
var bundles = settings.Bundles ?? new Dictionary <string, string[]>();
bundles = bundles.Keys.ToDictionary(k => k,
k => (bundles[k] ?? Array.Empty <string>())
.Select(u => BundleUtils.DoReplacements(u, settings.Replacements))
.Where(u => !string.IsNullOrEmpty(u))
.ToArray());
bundleIncludes = BundleUtils.ExpandBundleIncludes(bundles, "dynamic://CssBundle.", "css");
if (bundles.Count == 0 ||
settings.Enabled != true)
{
bundleKeyBySourceUrl = null;
bundleKeysBySourceUrl = null;
bundleKeys = null;
return;
}
bundleKeyBySourceUrl = new Dictionary <string, string>(StringComparer.OrdinalIgnoreCase);
bundleKeysBySourceUrl = new Dictionary <string, HashSet <string> >(StringComparer.OrdinalIgnoreCase);
bundleKeys = new HashSet <string>(StringComparer.OrdinalIgnoreCase);
bool minimize = settings.Minimize == true;
var noMinimize = new HashSet <string>(StringComparer.OrdinalIgnoreCase);
if (settings.NoMinimize != null)
{
noMinimize.AddRange(settings.NoMinimize);
}
foreach (var pair in bundles)
{
var sourceFiles = pair.Value;
if (sourceFiles == null ||
sourceFiles.Length == 0)
{
continue;
}
var bundleKey = pair.Key;
var bundleName = "CssBundle." + bundleKey;
var bundleParts = new List <Func <string> >();
var scriptNames = new HashSet <string>(StringComparer.OrdinalIgnoreCase);
void registerInBundle(string sourceFile)
{
if (bundleKey.IndexOf('/', StringComparison.Ordinal) < 0 && !bundleKeyBySourceUrl.ContainsKey(sourceFile))
{
bundleKeyBySourceUrl[sourceFile] = bundleKey;
}
if (!bundleKeysBySourceUrl.TryGetValue(sourceFile, out HashSet <string> bundleKeys))
{
bundleKeys = new HashSet <string>(StringComparer.OrdinalIgnoreCase);
bundleKeysBySourceUrl[sourceFile] = new HashSet <string>();
}
bundleKeys.Add(bundleKey);
}
foreach (var sourceFile in sourceFiles)
{
if (sourceFile.IsNullOrEmpty())
{
continue;
}
if (sourceFile.StartsWith("dynamic://", StringComparison.OrdinalIgnoreCase))
{
registerInBundle(sourceFile);
var scriptName = sourceFile[10..];
public CssBundleManager()
{
var settings = Config.Get <CssBundlingSettings>();
var bundles = JsonConfigHelper.LoadConfig <Dictionary <string, string[]> >(
HostingEnvironment.MapPath("~/Content/site/CssBundles.json"));
bundles = bundles.Keys.ToDictionary(k => k,
k => (bundles[k] ?? new string[0])
.Select(u => BundleUtils.DoReplacements(u, settings.Replacements))
.Where(u => !string.IsNullOrEmpty(u))
.ToArray());
bundleIncludes = BundleUtils.ExpandBundleIncludes(bundles, "dynamic://CssBundle.", "css");
if (bundles.Count == 0 ||
settings.Enabled != true)
{
return;
}
bundleKeyBySourceUrl = new Dictionary <string, string>(StringComparer.OrdinalIgnoreCase);
bundleKeysBySourceUrl = new Dictionary <string, HashSet <string> >(StringComparer.OrdinalIgnoreCase);
bundleByKey = new Dictionary <string, ConcatenatedScript>(StringComparer.OrdinalIgnoreCase);
bool minimize = settings.Minimize == true;
var noMinimize = new HashSet <string>(StringComparer.OrdinalIgnoreCase);
if (settings.NoMinimize != null)
{
noMinimize.AddRange(settings.NoMinimize);
}
foreach (var pair in bundles)
{
var sourceFiles = pair.Value;
if (sourceFiles == null ||
sourceFiles.Length == 0)
{
continue;
}
var bundleKey = pair.Key;
var bundleName = "CssBundle." + bundleKey;
var bundleParts = new List <Func <string> >();
var scriptNames = new HashSet <string>(StringComparer.OrdinalIgnoreCase);
Action <string> registerInBundle = delegate(string sourceFile)
{
if (bundleKey.IndexOf('/') < 0 && !bundleKeyBySourceUrl.ContainsKey(sourceFile))
{
bundleKeyBySourceUrl[sourceFile] = bundleKey;
}
HashSet <string> bundleKeys;
if (!bundleKeysBySourceUrl.TryGetValue(sourceFile, out bundleKeys))
{
bundleKeys = new HashSet <string>(StringComparer.OrdinalIgnoreCase);
bundleKeysBySourceUrl[sourceFile] = new HashSet <string>();
}
bundleKeys.Add(bundleKey);
};
foreach (var sourceFile in sourceFiles)
{
if (sourceFile.IsNullOrEmpty())
{
continue;
}
if (sourceFile.StartsWith("dynamic://", StringComparison.OrdinalIgnoreCase))
{
registerInBundle(sourceFile);
var scriptName = sourceFile.Substring(10);
scriptNames.Add(scriptName);
bundleParts.Add(() =>
{
if (recursionCheck != null)
{
if (recursionCheck.Contains(scriptName) || recursionCheck.Count > 100)
{
return(String.Format(errorLines,
String.Format("Caught infinite recursion with dynamic scripts '{0}'!",
String.Join(", ", recursionCheck))));
}
}
else
{
recursionCheck = new HashSet <string>(StringComparer.OrdinalIgnoreCase);
}
recursionCheck.Add(scriptName);
try
{
var code = DynamicScriptManager.GetScriptText(scriptName);
if (code == null)
{
return(String.Format(errorLines,
String.Format("Dynamic script with name '{0}' is not found!", scriptName)));
}
if (minimize &&
!scriptName.StartsWith("Bundle.", StringComparison.OrdinalIgnoreCase))
{
try
{
var result = NUglify.Uglify.Css(code);
if (!result.HasErrors)
{
code = result.Code;
}
}
catch (Exception ex)
{
ex.Log();
}
}
var scriptUrl = VirtualPathUtility.ToAbsolute("~/DynJS.axd/" + scriptName);
return(RewriteUrlsToAbsolute(scriptUrl, code));
}
finally
{
recursionCheck.Remove(scriptName);
}
});
continue;
}
string sourceUrl = BundleUtils.ExpandVersionVariable(sourceFile);
sourceUrl = VirtualPathUtility.ToAbsolute(sourceUrl);
if (sourceUrl.IsNullOrEmpty())
{
continue;
}
registerInBundle(sourceUrl);
bundleParts.Add(() =>
{
var sourcePath = HostingEnvironment.MapPath(sourceUrl);
if (!File.Exists(sourcePath))
{
return(String.Format(errorLines, String.Format("File {0} is not found!", sourcePath)));
}
string code = null;
if (minimize &&
!noMinimize.Contains(sourceFile) &&
!sourceFile.EndsWith(".min.css", StringComparison.OrdinalIgnoreCase))
{
if (settings.UseMinCSS == true)
{
var minPath = Path.ChangeExtension(sourcePath, ".min.css");
if (File.Exists(minPath))
{
sourcePath = minPath;
using (StreamReader sr = new StreamReader(File.OpenRead(sourcePath)))
code = sr.ReadToEnd();
}
}
if (code == null)
{
using (StreamReader sr = new StreamReader(File.OpenRead(sourcePath)))
code = sr.ReadToEnd();
try
{
var result = NUglify.Uglify.Css(code);
if (!result.HasErrors)
{
code = result.Code;
}
}
catch (Exception ex)
{
ex.Log();
}
}
}
else
{
using (StreamReader sr = new StreamReader(File.OpenRead(sourcePath)))
code = sr.ReadToEnd();
}
code = RewriteUrlsToAbsolute(sourceUrl, code);
return(code);
});
}
var bundle = new ConcatenatedScript(bundleParts, "\n\n", checkRights: () =>
{
foreach (var scriptName in scriptNames)
{
if (recursionCheck != null)
{
if (recursionCheck.Contains(scriptName) || recursionCheck.Count > 100)
{
throw new InvalidOperationException(String.Format(
"Caught infinite recursion with dynamic scripts '{0}'!",
String.Join(", ", recursionCheck)));
}
}
else
{
recursionCheck = new HashSet <string>(StringComparer.OrdinalIgnoreCase);
}
recursionCheck.Add(scriptName);
try
{
DynamicScriptManager.CheckScriptRights(scriptName);
}
finally
{
recursionCheck.Remove(scriptName);
}
}
});
DynamicScriptManager.Register(bundleName, bundle);
bundleByKey[bundleKey] = bundle;
}
isEnabled = true;
}