private void ProcessMergeGroup(ICollection <string> minifiedContents,
IEnumerable <Resource> mergeGroup, MinifierInfo currentMinifier)
{
var singleContents = processor.GetSingleContents(mergeGroup, true);
var combinedContent = processor.GetCombinedContents(mergeGroup, singleContents, false);
var minifiedContent = processor.MinifyContent(currentMinifier, mergeGroup, combinedContent);
minifiedContents.Add(minifiedContent);
}
public void Execute()
{
if (processor.IsInBrowserCache())
{
return;
}
if (processor.WriteFromServerCache())
{
return;
}
using (var memoryStream = new MemoryStream(4096))
{
/*
* Each resource in a set may have a unique minifier. At the same time,
* the order of resource as configured in the XML data file must be honored
* when merging them together.
*
* Combres will group resources into merge-groups each includes resources sitting
* next to each other in the XML data file having the same minifier.
*/
var minifiedContents = new List <string>();
var mergeGroup = new List <Resource>();
MinifierInfo currentMinifier = null;
foreach (var resource in processor.ResourceSet)
{
// not the first time AND hit a different minifier, finish up the current merge-group
if (currentMinifier != null && currentMinifier != resource.Minifier)
{
ProcessMergeGroup(minifiedContents, mergeGroup, currentMinifier);
mergeGroup.Clear();
}
currentMinifier = resource.Minifier;
mergeGroup.Add(resource);
}
if (mergeGroup.Count > 0) // there's some left-over
{
ProcessMergeGroup(minifiedContents, mergeGroup, currentMinifier);
}
var mergedContent = processor.MergeContents(minifiedContents.ToArray());
var compressedContent = processor.TryZipContent(mergedContent, memoryStream);
string etag = processor.GenerateETag(compressedContent);
processor.CacheNewResponse(compressedContent, etag);
processor.SendOutputToClient(compressedContent, true, etag);
}
}
internal string MinifyContent(MinifierInfo minifierInfo, IEnumerable <Resource> resources, string combinedContent)
{
if (Log.IsDebugEnabled)
{
Log.Debug(string.Format(CultureInfo.InvariantCulture,
"Minifying combined content using minifier {0} and binder {1}...",
minifierInfo.Name,
minifierInfo.BinderType));
}
using (new Timer("Minifying & filtering " + ResourceSet.Name, Log.IsDebugEnabled, Log.Debug))
{
var minifier = (IResourceMinifier)minifierInfo.Type.CreateInstance();
BindParameters(minifier, minifierInfo.BinderType, minifierInfo.Parameters);
var minifiedContent = minifier.Minify(Settings, ResourceSet, combinedContent);
return(FilterContent <string, IMinifiedContentFilter, IEnumerable <Resource> >(
resources, minifiedContent));
}
}
private static void LoadMinifiers(XElement xe, string elementName, IDictionary <string, MinifierInfo> map)
{
foreach (var childXe in xe.ChildrenOfChild(elementName, SchemaConstants.Namespace))
{
var name = childXe.Attr <string>(SchemaConstants.Minifier.Name);
if (map.ContainsKey(name))
{
throw new XmlSchemaException(string.Format(CultureInfo.InvariantCulture,
"Minifier {0} already exists", name));
}
var typeName = childXe.Attr <string>(SchemaConstants.Minifier.Type);
var type = ModelUtils.LoadType("Minifier", typeName, SchemaConstants.Minifier.ValidTypes);
var minifier = new MinifierInfo
{
Name = name,
Type = type,
Parameters = childXe.Elements(XName.Get(SchemaConstants.Param.Root, SchemaConstants.Namespace)).ToList(),
BinderType = GetBinderType(childXe),
};
map.Add(name, minifier);
}
}
private static void LoadMinifiers(XElement xe, string elementName, IDictionary<string, MinifierInfo> map)
{
foreach (var childXe in xe.ChildrenOfChild(elementName, SchemaConstants.Namespace))
{
var name = childXe.Attr<string>(SchemaConstants.Minifier.Name);
if (map.ContainsKey(name))
throw new XmlSchemaException(string.Format(CultureInfo.InvariantCulture,
"Minifier {0} already exists", name));
var typeName = childXe.Attr<string>(SchemaConstants.Minifier.Type);
var type = ModelUtils.LoadType("Minifier", typeName, SchemaConstants.Minifier.ValidTypes);
var minifier = new MinifierInfo
{
Name = name,
Type = type,
Parameters = childXe.Elements(XName.Get(SchemaConstants.Param.Root, SchemaConstants.Namespace)).ToList(),
BinderType = GetBinderType(childXe),
};
map.Add(name, minifier);
}
}
private void ProcessMergeGroup(ICollection<string> minifiedContents,
IEnumerable<Resource> mergeGroup, MinifierInfo currentMinifier)
{
var singleContents = processor.GetSingleContents(mergeGroup, true);
var combinedContent = processor.GetCombinedContents(mergeGroup, singleContents, false);
var minifiedContent = processor.MinifyContent(currentMinifier, mergeGroup, combinedContent);
minifiedContents.Add(minifiedContent);
}
