public override IEnumerable<PvcCore.PvcStream> Execute(IEnumerable<PvcCore.PvcStream> inputStreams)
{
var resultStreams = new List<PvcStream>();
SwitchParser switchParser = null;
if (!String.IsNullOrEmpty(this.commandLineSwitches))
{
switchParser = new SwitchParser();
switchParser.Parse(this.commandLineSwitches);
}
foreach (var inputStream in inputStreams)
{
var dirName = Path.GetDirectoryName(inputStream.StreamName);
var fileName = Path.GetFileNameWithoutExtension(inputStream.StreamName) + ".min" + Path.GetExtension(inputStream.StreamName);
var resultName = Path.Combine(dirName, fileName);
var fileContent = new StreamReader(inputStream).ReadToEnd();
var minifier = new Minifier();
var sourceStream = new MemoryStream();
var outputWriter = new StreamWriter(sourceStream);
if (inputStream.StreamName.EndsWith(".js"))
{
// Currently AjaxMin only supports JS source maps
if (this.generateSourceMaps)
{
var resultMapName = resultName + ".map";
var utf8 = new UTF8Encoding(false);
var mapStream = new MemoryStream();
var mapWriter = new SourcemapStreamWriter(mapStream, utf8);
var sourceMap = new V3SourceMap(mapWriter);
if (sourceMap != null)
{
if (switchParser == null)
{
switchParser = new SwitchParser();
}
switchParser.JSSettings.SymbolsMap = sourceMap;
switchParser.JSSettings.TermSemicolons = true;
sourceMap.StartPackage(resultName, resultMapName);
outputWriter.Write(minifier.MinifyJavaScript(fileContent, switchParser.JSSettings));
sourceMap.EndPackage();
sourceMap.EndFile(outputWriter, "\r\n");
sourceMap.Dispose();
mapWriter.Flush();
resultStreams.Add(new PvcStream(() => mapStream).As(resultMapName));
}
}
else
{
CodeSettings settings = new CodeSettings();
if (switchParser != null) settings = switchParser.JSSettings;
outputWriter.Write(minifier.MinifyJavaScript(fileContent, settings));
}
}
else
{
CssSettings settings = new CssSettings();
if (switchParser != null) settings = switchParser.CssSettings;
outputWriter.Write(minifier.MinifyStyleSheet(fileContent, settings));
}
foreach (var error in minifier.ErrorList)
{
Console.Error.WriteLine(error.ToString());
}
outputWriter.Flush();
resultStreams.Add(new PvcStream(() => sourceStream).As(resultName));
}
return resultStreams;
}
public string BuildBundleContent(Bundle bundle, BundleContext context, IEnumerable <BundleFile> files)
{
if (files == null)
{
return(string.Empty);
}
if (context == null)
{
throw new ArgumentNullException("context");
}
if (bundle == null)
{
throw new ArgumentNullException("bundle");
}
// Generates source map using an approach documented here: http://ajaxmin.codeplex.com/discussions/446616
// Get paths and create any directories required
var mapVirtualPath = bundle.Path + ".map";
var sourcePath = HostingEnvironment.MapPath(bundle.Path);
var mapPath = HostingEnvironment.MapPath(mapVirtualPath);
var directoryPath = Path.GetDirectoryName(mapPath);
if (directoryPath == null)
{
throw new InvalidOperationException("directoryPath was invalid.");
}
if (!Directory.Exists(directoryPath))
{
Directory.CreateDirectory(directoryPath);
}
// Concatenate file contents to be minified, including the sourcemap hints
var contentConcated = new StringBuilder();
foreach (var file in files)
{
var filePath = HostingEnvironment.MapPath(file.VirtualFile.VirtualPath);
if (bundleFileType == BundleFileTypes.JavaScript)
{
contentConcated.AppendLine(";///#SOURCE 1 1 " + filePath);
}
contentConcated.AppendLine(file.ApplyTransforms());
}
var contentConcatedString = contentConcated.ToString();
// Try minify (+ source map) using AjaxMin dll
try
{
var contentBuilder = new StringBuilder();
using (var contentWriter = new StringWriter(contentBuilder))
using (var mapWriter = new StreamWriter(mapPath, false, new UTF8Encoding(false)))
using (var sourceMap = new V3SourceMap(mapWriter))
{
sourceMap.StartPackage(sourcePath, mapPath);
var settings = new CodeSettings()
{
EvalTreatment = EvalTreatment.MakeImmediateSafe,
PreserveImportantComments = false,
SymbolsMap = sourceMap,
TermSemicolons = true
};
var minifier = new Minifier();
string contentMinified;
switch (bundleFileType)
{
case BundleFileTypes.JavaScript:
contentMinified = minifier.MinifyJavaScript(contentConcatedString, settings);
break;
case BundleFileTypes.StyleSheet:
var cssSettings = new CssSettings
{
TermSemicolons = true
};
contentMinified = minifier.MinifyStyleSheet(contentConcatedString, cssSettings, settings);
break;
default:
throw new ArgumentOutOfRangeException("Unrecognised BundleFileTypes enum value. Could not find minifier method to handle.");
}
if (minifier.ErrorList.Count > 0)
{
return(GenerateMinifierErrorsContent(contentConcatedString, minifier));
}
contentWriter.Write(contentMinified);
sourceMap.EndPackage();
sourceMap.EndFile(contentWriter, "\r\n");
}
return(contentBuilder.ToString());
}
catch (Exception ex)
{
Trace.TraceWarning("An exception occurred trying to build bundle contents for bundle with virtual path: " + bundle.Path + ". See Exception details.", ex, typeof(AjaxMinBundleBuilder));
return(GenerateGenericErrorsContent(contentConcatedString));
}
}
public override IEnumerable <PvcCore.PvcStream> Execute(IEnumerable <PvcCore.PvcStream> inputStreams)
{
var resultStreams = new List <PvcStream>();
SwitchParser switchParser = null;
if (!String.IsNullOrEmpty(this.commandLineSwitches))
{
switchParser = new SwitchParser();
switchParser.Parse(this.commandLineSwitches);
}
foreach (var inputStream in inputStreams)
{
var dirName = Path.GetDirectoryName(inputStream.StreamName);
var fileName = Path.GetFileNameWithoutExtension(inputStream.StreamName) + ".min" + Path.GetExtension(inputStream.StreamName);
var resultName = Path.Combine(dirName, fileName);
var fileContent = new StreamReader(inputStream).ReadToEnd();
var minifier = new Minifier();
var sourceStream = new MemoryStream();
var outputWriter = new StreamWriter(sourceStream);
if (inputStream.StreamName.EndsWith(".js"))
{
// Currently AjaxMin only supports JS source maps
if (this.generateSourceMaps)
{
var resultMapName = resultName + ".map";
var utf8 = new UTF8Encoding(false);
var mapStream = new MemoryStream();
var mapWriter = new SourcemapStreamWriter(mapStream, utf8);
var sourceMap = new V3SourceMap(mapWriter);
if (sourceMap != null)
{
if (switchParser == null)
{
switchParser = new SwitchParser();
}
switchParser.JSSettings.SymbolsMap = sourceMap;
switchParser.JSSettings.TermSemicolons = true;
sourceMap.StartPackage(resultName, resultMapName);
outputWriter.Write(minifier.MinifyJavaScript(fileContent, switchParser.JSSettings));
sourceMap.EndPackage();
sourceMap.EndFile(outputWriter, "\r\n");
sourceMap.Dispose();
mapWriter.Flush();
resultStreams.Add(new PvcStream(() => mapStream).As(resultMapName));
}
}
else
{
CodeSettings settings = new CodeSettings();
if (switchParser != null)
{
settings = switchParser.JSSettings;
}
outputWriter.Write(minifier.MinifyJavaScript(fileContent, settings));
}
}
else
{
CssSettings settings = new CssSettings();
if (switchParser != null)
{
settings = switchParser.CssSettings;
}
outputWriter.Write(minifier.MinifyStyleSheet(fileContent, settings));
}
foreach (var error in minifier.ErrorList)
{
Console.Error.WriteLine(error.ToString());
}
outputWriter.Flush();
resultStreams.Add(new PvcStream(() => sourceStream).As(resultName));
}
return(resultStreams);
}
