private static AssetLocation[] ProcessInfo(AssetKey key, IEnumerable<AssetLocation> allLocations)
{
var locations = new List<AssetLocation>();
foreach (var assetLocation in allLocations)
{
var fileContent = File.ReadAllText(assetLocation.PhysicalPath);
var resourceProcessors = key.AssetType == AssetType.JS ? javaScriptProcessors : cssProcessors;
foreach (var processor in resourceProcessors)
fileContent = processor.ProcessFile(fileContent, key.AssetType, assetLocation.PhysicalPath, assetLocation.ContentPath);
var fileName = Path.GetFileName(assetLocation.PhysicalPath);
var fileExtension = "." + key.AssetType.ToString().ToLower();
if (!fileName.EndsWith(fileExtension))
fileName += fileExtension;
var physicalPath = Path.Combine(outputDirectoryPath, fileName);
File.WriteAllText(physicalPath, fileContent, Encoding.UTF8);
var contentPath = outputContentPath + fileName;
locations.Add(new AssetLocation(contentPath, physicalPath));
}
return locations.ToArray();
}
private static AssetLocation CompressAndCompile(AssetKey key, IEnumerable<AssetLocation> assetLocations)
{
var text = assetLocations.Select(x =>
{
var fileContent = File.ReadAllText(x.PhysicalPath);
var resourceProcessors = key.AssetType == AssetType.JS ? javaScriptProcessors : cssProcessors;
foreach (var processor in resourceProcessors)
fileContent = processor.ProcessFile(fileContent, key.AssetType, x.PhysicalPath, x.ContentPath);
return fileContent;
});
var compiled = CompileText(text);
var compressed = string.Empty;
if (key.AssetType == AssetType.JS)
{
compressed = new JavaScriptCompressor(compiled, false, Encoding.UTF8, CultureInfo.CurrentCulture).Compress();
}
else if (key.AssetType == AssetType.CSS)
{
compressed = CssCompressor.Compress(compiled);
}
else
throw new NotSupportedException();
var fileName = key.ToCompiledName() + "." + key.AssetType.ToString().ToLower();
var physicalPath = Path.Combine(outputDirectoryPath, fileName);
File.WriteAllText(physicalPath, compressed, Encoding.UTF8);
var contentPath = outputContentPath + fileName;
return new AssetLocation(contentPath, physicalPath);
}
private static string[] GetResourcesFor(AssetType assetType, params string[] tags)
{
var key = new AssetKey(assetType, tags);
// In debug mode we don't cache the processed tags
if (!debugMode && processedTags.ContainsKey(key))
return processedTags[key].Select(x => x.ContentPath).ToArray();
var assets = tags.Select(x =>
{
var assetKey = new AssetKey(assetType, x);
if (!configuredTags.ContainsKey(assetKey))
throw new InvalidOperationException("Tag not found: " + x);
return configuredTags[assetKey];
});
var allLocations = new List<AssetLocation>();
foreach (var asset in assets)
allLocations.AddRange(asset.AssetLocations);
var resourceProcessors = assetType == AssetType.JS ? javaScriptProcessors : cssProcessors;
if (assetType != AssetType.FILE && CompressAssets)
{
var processedFile = CompressAndCompile(key, allLocations);
if (debugMode) // In debug mode we don't cache the processed tags
return new string[] { processedFile.ContentPath };
processedTags.Add(key, new AssetLocation[] { processedFile });
}
else if (assetType != AssetType.FILE && resourceProcessors.Any())
{
var processedFiles = ProcessInfo(key, allLocations);
if (debugMode) // In debug mode we don't cache the processed tags
return processedFiles.Select(x => x.ContentPath).ToArray();
processedTags.Add(key, processedFiles);
}
else
{
if (debugMode) // In debug mode we don't cache the processed tags
return allLocations.Select(x => x.ContentPath).ToArray();
processedTags.Add(key, allLocations.ToArray());
}
return processedTags[key].Select(x => x.ContentPath).ToArray();
}
private static void AddTag(AssetType assetType, string tag, params string[] contentPath)
{
AssertNotConfigured();
var key = new AssetKey(assetType, tag);
if (configuredTags.ContainsKey(key))
throw new InvalidOperationException("Tag already exists: " + tag);
var assetLocations = contentPath.Select(x => new AssetLocation(x, CurrentHttpContext.Server.MapPath(x))).ToArray();
var assetTag = new AssetTag(assetType, tag, assetLocations);
configuredTags.Add(key, assetTag);
}