private void Transform(IncludeState include)
{
if (include == null)
{
throw new System.ArgumentNullException("include");
}
try
{
if (include.Transformed)
{
// IF we've already transformed this file
// THEN bail
return;
}
LogInfo("Ensuring the include \"{0}\" is up-to-date.", include.File.FullName);
// what are the input files
var inputFiles = new List <FileInfo>();
inputFiles.Add(include.File);
inputFiles.AddRange(include.Imports.Select(s => new FileInfo(s)));
// what is the most recent last write time utc
var inputMostRecentLastWriteTimeUtc = inputFiles.Select(f => f.LastWriteTimeUtc)
// add the frappe lib as a last write utc source so the
// output will be updated when frappe is published to fix
// bugs and improve the output
.Concat(new[] {
ExecutingAssemblyFile.LastWriteTimeUtc
})
.OrderByDescending(d => d)
.First();
FileInfo inputFile = include.File;
if (FileExtension.IsLess(include.File.FullName))
{
// IF it's a less file
// THEN we need to create the css output file
inputFile = new FileInfo(include.File.FullName + ".css");
if (!inputFile.Exists || inputFile.Length == 0 || inputFile.LastWriteTimeUtc < inputMostRecentLastWriteTimeUtc)
{
// IF the input file doesn't exist
// OR the file is older than any of the inputs
// THEN re-compile the less file
LogInfo("The css output \"{0}\" for less include \"{1}\" does not exist or is out-of-date.", inputFile, include.File.FullName);
// compile the less file
this.CompileLess(include.File.FullName, inputFile.FullName);
// refresh the input file
inputFile.Refresh();
// set the file last write time to match the inputs since it's generated based on them
inputFile.LastWriteTimeUtc = inputMostRecentLastWriteTimeUtc;
LogInfo("The css output \"{0}\" for less include \"{1}\" has been updated.", inputFile, include.File.FullName);
}
}
else if (FileExtension.IsJsHtml(include.File.FullName))
{
// remove the .html from the file name so it becomes name.js
inputFile = new FileInfo(include.File.FullName + ".js");
if (!inputFile.Exists || inputFile.Length == 0 || inputFile.LastWriteTimeUtc < inputMostRecentLastWriteTimeUtc)
{
// IF the input file doesn't exist
// OR the file is older than any of the inputs
// THEN re-compile the less file
LogInfo("The javascript output \"{0}\" for js.html include \"{1}\" does not exist or is out-of-date.", inputFile, include.File.FullName);
// compile the js.html file
this.CompileJsHtml(include.File.FullName, inputFile.FullName);
// refresh the input file
inputFile.Refresh();
// set the file last write time to match the inputs since it's generated based on them
inputFile.LastWriteTimeUtc = inputMostRecentLastWriteTimeUtc;
LogInfo("The javascript output \"{0}\" for js.html include \"{1}\" has been updated.", inputFile, include.File.FullName);
}
}
// do they exist and are they up-to-date relative to the outputs?
var outputFile = include.OutputFile;
// tranform the include
if (!outputFile.Exists || outputFile.Length == 0 || outputFile.LastWriteTimeUtc < inputFile.LastWriteTimeUtc)
{
// IF the output file does NOT exist
// OR the output file is out-of-date
// THEN rebuild the output file
LogInfo("The minified output \"{0}\" for include \"{1}\" does not exist or is out-of-date.", outputFile, inputFile);
if (FileExtension.IsCss(inputFile.FullName))
{
MinifyCss(inputFile.FullName, outputFile.FullName);
}
else if (FileExtension.IsJavaScript(inputFile.FullName))
{
MinifyJavaScript(inputFile.FullName, outputFile.FullName);
}
else
{
throw new NotImplementedException(string.Format("Transformation of file has not been implemented. File: {0}", inputFile.FullName));
}
// update the output file
outputFile.Refresh();
// set the file last write time to match the input since it's generated based on it
outputFile.LastWriteTimeUtc = inputMostRecentLastWriteTimeUtc;
LogInfo("The minified output \"{0}\" for include \"{1}\" has been updated.", outputFile, inputFile);
}
// update the state
include.Transformed = true;
include.OutputFile = outputFile;
}
catch (Exception ex)
{
throw new ApplicationException(string.Format("An error occurred trying to transform bundle include. Include File: {0}", include.File), ex);
}
}