private static MvcHtmlString RegisterResources(this HtmlHelper helper, SimpleCompressionConfiguration configuration, string[] files, ResourceType resourceType)
{
configuration = configuration ?? SimpleCompressionConfiguration.DefaulConfiguration;
Func<string, string> printFunc = resourceType == ResourceType.Css
? (Func<string,string>)TagHelper.PrintCssTag
: TagHelper.PrintJavascriptTag;
string tagString = string.Empty;
if (configuration.Disable)
{
foreach (var file in files)
{
tagString += helper.PrintTag(file, printFunc);
}
}
else
{
var fileResources = CreateResources(files, configuration);
var hashCode = fileResources.GetHashCode();
string extension = resourceType == ResourceType.Css ? ".css" : ".js";
string fileName = configuration.ClientVersionPrefix + "_" + hashCode + extension;
string filePath = "~/" + configuration.FolderForCachedResources + fileName;
ResourceCacheManager.Instance.AddResourcesToCache(fileName, new Tuple<List<FileResource>, SimpleCompressionConfiguration>(fileResources, configuration));
tagString = helper.PrintTag(filePath, printFunc);
}
return new MvcHtmlString(tagString);
}
private static FileResourceCollection CreateResources(string[] files, SimpleCompressionConfiguration configuration)
{
var resources = new FileResourceCollection();
foreach (var file in files)
{
var resource = new FileResource(file);
resources.Add(resource);
}
return resources;
}
private List<string> AddResponseToBuffer(HttpContext context, StringBuilder sb, SimpleCompressionConfiguration configuration, ResourceType resourceType, List<FileResource> files)
{
var addedFiles = new List<string>();
foreach (FileResource fileResource in files)
{
string file = fileResource.FilePath;
file = context.Server.MapPath(file);
addedFiles.Add(file);
using (StreamReader input = new StreamReader(file))
{
sb.Append(input.ReadToEnd());
}
}
return addedFiles;
}
private string CompressResponse(StringBuilder sb, SimpleCompressionConfiguration configuration, ResourceType resourceType)
{
if (configuration.Compress)
{
ICompress compressor = configuration.Compressor;
Func<string, string> compressFunction = resourceType == ResourceType.Css
? (Func<string, string>) compressor.CompressCssString
: compressor.CompressJavascriptString;
return compressFunction(sb.ToString());
}
else
{
return sb.ToString();
}
}
public static MvcHtmlString RegisterScripts(this HtmlHelper helper, SimpleCompressionConfiguration configuration, params string[] files)
{
return helper.RegisterResources(configuration, files, ResourceType.Javascript);
}
