/// <summary>
/// Performs the template compilation.
/// </summary>
///
/// <returns>
/// <see langword="true"/> if the processing succeeded; <see langword="false"/> otherwise.
/// </returns>
public override bool Execute()
{
var host = new EngineHost();
var rootNamespace = RootNamespace;
var projectRootFolder = Environment.CurrentDirectory;
var newLine = Environment.NewLine;
foreach (var templateFile in TemplateFiles)
{
var inputPath = templateFile.ItemSpec;
Log.LogMessage (MessageImportance.Normal, "Compiling T4 template {0}", inputPath);
try
{
CompileTemplate (host, projectRootFolder, inputPath, rootNamespace, newLine);
}
catch(Exception e)
{
Log.LogErrorFromException (e);
}
}
foreach (CompilerError err in host.Errors)
{
Log.LogError ( "TemplateCompiler", err.ErrorNumber, null, err.FileName,
err.Line, err.Column, 0, 0, err.ErrorText);
}
return !Log.HasLoggedErrors;
}
void Generate(string input, string namespac, string className, string expectedOutput)
{
var host = new EngineHost();
string actualOutput;
using (var writer = new StringWriter())
{
Parent.TemplateCompiler.GenerateCode(host, input, namespac, className, writer);
actualOutput = writer.ToString();
}
Assert.AreEqual (0, host.Errors.Count);
var output = StripHeader (actualOutput);
Assert.AreEqual (expectedOutput, output);
}
internal static void CompileTemplate(EngineHost host, string projectRootFolder, string inputPath,
string rootNamespace, string newLine)
{
var className = Path.GetFileNameWithoutExtension (inputPath);
host.TemplateFile = Path.GetFileName(inputPath);
var targetFolder = Path.GetDirectoryName (inputPath);
var absoluteInputPath = Path.Combine (projectRootFolder, inputPath);
var inputText = File.ReadAllText (absoluteInputPath);
var fullNamespace = rootNamespace;
if (!String.IsNullOrEmpty(targetFolder))
{
fullNamespace += "." + ConvertPathToNamespace(targetFolder);
}
var fileName = "{0}.Generated.cs".FormatInvariant (className);
var relativeOutputPath = Path.Combine (targetFolder, fileName);
var absoluteOutputPath = Path.Combine (projectRootFolder, relativeOutputPath);
using (var writer = new StreamWriter (absoluteOutputPath, false, Encoding.UTF8))
{
writer.NewLine = newLine;
GenerateCode (host, inputText, fullNamespace, className, writer);
}
}
