public string Process()
{
string output = "";
try {
output = TemplatingEngine.Run(assembly, settings.Namespace + "." + settings.Name, host, settings.Culture);
} catch (Exception ex) {
parsedTemplate.LogError("Error running transform: " + ex);
}
host.LogErrors(parsedTemplate.Errors);
return(output);
}
public string ProcessTemplate (string content, ITextTemplatingEngineHost host)
{
AppDomain appdomain = host.ProvideTemplatingAppDomain (content);
ITextTemplatingEngine engine;
if (appdomain != null) {
engine = (ITextTemplatingEngine)
appdomain.CreateInstanceAndUnwrap (typeof (TemplatingEngine).Assembly.FullName,
typeof (TemplatingEngine).FullName);
} else {
engine = new TemplatingEngine ();
}
return engine.ProcessTemplate (content, host);
}
public bool Load()
{
bool success = false;
try {
if (AssemblyName != null)
{
Assembly = Assembly.Load(AssemblyName);
}
success = true;
}
catch (Exception ex) {
if (TemplatingEngine.IsCriticalException(ex))
{
throw;
}
}
return(success);
}
static int MainInternal(string [] args)
{
if (args.Length == 0 && !Console.IsInputRedirected)
{
ShowHelp(true);
}
var generator = new ToolTemplateGenerator();
string outputFile = null, inputFile = null;
var directives = new List <string> ();
var parameters = new List <string> ();
var properties = new Dictionary <string, string> ();
string preprocessClassName = null;
bool debug = false;
bool verbose = false;
optionSet = new OptionSet {
{
"o=|out=",
"Name or path of the output {<file>}. Defaults to the input filename with its " +
"extension changed to `.txt'. Use `-' to output to stdout.",
s => outputFile = s
},
{
"r=",
"Name or path of an {<assembly>} reference. Assemblies will be resolved from the " +
"framework and the include folders",
s => generator.Refs.Add(s)
},
{
"u=|using=",
"Import a {<namespace>}' statement with a `using",
s => generator.Imports.Add(s)
},
{
"I=",
"Search {<directory>} when resolving file includes",
s => generator.IncludePaths.Add(s)
},
{
"P=",
"Search {<directory>} when resolving assembly references",
s => generator.ReferencePaths.Add(s)
},
{
"c=|class=",
"Preprocess the template into class {<name>}",
(s) => preprocessClassName = s
},
{
"p:=",
"Add a {<name>}={<value>} key-value pair to the template's `Session' " +
"dictionary. These can also be accessed using strongly typed " +
"properties declared with `<#@ parameter name=\"<name>\" type=\"<type>\" #> " +
"directives.",
(k, v) => properties[k] = v
},
{
"debug",
"Generate debug symbols and keep temp files",
s => debug = true
},
{
"v|verbose",
"Generate debug symbols and keep temp files",
s => verbose = true
},
{
"h|?|help",
"Show help",
s => ShowHelp(false)
}
};
compatOptionSet = new OptionSet {
{
"dp=",
"Directive processor (name!class!assembly)",
s => directives.Add(s)
},
{
"a=",
"Parameters (name=value) or ([processorName!][directiveName!]name!value)",
s => parameters.Add(s)
},
};
var remainingArgs = optionSet.Parse(args);
remainingArgs = compatOptionSet.Parse(remainingArgs);
string inputContent = null;
bool inputIsFromStdin = false;
if (remainingArgs.Count != 1)
{
if (Console.IsInputRedirected)
{
inputContent = Console.In.ReadToEnd();
inputIsFromStdin = true;
}
else
{
Console.Error.WriteLine("No input file specified.");
return(1);
}
}
else
{
inputFile = remainingArgs [0];
if (!File.Exists(inputFile))
{
Console.Error.WriteLine("Input file '{0}' does not exist.", inputFile);
return(1);
}
}
bool writeToStdout = outputFile == "-" || (inputIsFromStdin && string.IsNullOrEmpty(outputFile));
if (!writeToStdout && string.IsNullOrEmpty(outputFile))
{
outputFile = inputFile;
if (Path.HasExtension(outputFile))
{
var dir = Path.GetDirectoryName(outputFile);
var fn = Path.GetFileNameWithoutExtension(outputFile);
outputFile = Path.Combine(dir, fn + ".txt");
}
else
{
outputFile = outputFile + ".txt";
}
}
if (inputFile != null)
{
try {
inputContent = File.ReadAllText(inputFile);
}
catch (IOException ex) {
Console.Error.WriteLine("Could not read input file '" + inputFile + "':\n" + ex);
return(1);
}
}
if (inputContent.Length == 0)
{
Console.Error.WriteLine("Input is empty");
return(1);
}
foreach (var par in parameters)
{
if (!generator.TryAddParameter(par))
{
Console.Error.WriteLine("Parameter has incorrect format: {0}", par);
return(1);
}
}
if (!AddDirectiveProcessors(generator, directives))
{
return(1);
}
var pt = generator.ParseTemplate(inputFile, inputContent);
TemplateSettings settings = TemplatingEngine.GetSettings(generator, pt);
if (debug)
{
settings.Debug = true;
}
if (verbose)
{
settings.Log = Console.Out;
}
if (pt.Errors.Count > 0)
{
generator.Errors.AddRange(pt.Errors);
}
string outputContent = null;
if (!generator.Errors.HasErrors)
{
AddCoercedSessionParameters(generator, pt, properties);
}
if (!generator.Errors.HasErrors)
{
if (preprocessClassName == null)
{
(outputFile, outputContent) = generator.ProcessTemplateAsync(pt, inputFile, inputContent, outputFile, settings).Result;
}
else
{
SplitClassName(preprocessClassName, settings);
outputContent = generator.PreprocessTemplate(pt, inputFile, inputContent, settings, out _, out _);
}
}
if (generator.Errors.HasErrors)
{
Console.Error.WriteLine(inputFile == null ? "Processing failed." : $"Processing '{inputFile}' failed.");
}
try {
if (!generator.Errors.HasErrors)
{
if (writeToStdout)
{
Console.WriteLine(outputContent);
}
else
{
File.WriteAllText(outputFile, outputContent, new UTF8Encoding(encoderShouldEmitUTF8Identifier: false));
}
}
}
catch (IOException ex) {
Console.Error.WriteLine("Could not write output file '" + outputFile + "':\n" + ex);
return(1);
}
LogErrors(generator);
return(generator.Errors.HasErrors ? 1 : 0);
}
/// <summary>
/// Generates this project template to the specified output directory.
/// </summary>
/// <param name="outputDirectory">The output directory.</param>
/// <param name="projectName">Name of the project.</param>
/// <param name="projectGuid">The project unique identifier.</param>
/// <param name="log">The log to output errors to.</param>
/// <param name="options">The options arguments that will be made available through the Session property in each template.</param>
/// <param name="generatedOutputFiles">The generated files.</param>
/// <exception cref="System.ArgumentNullException">outputDirectory
/// or
/// projectName</exception>
/// <exception cref="System.InvalidOperationException">FilePath cannot be null on this instance</exception>
public void Generate(string outputDirectory, string projectName, Guid projectGuid, ILogger log, Dictionary<string, object> options = null, List<string> generatedOutputFiles = null )
{
if (outputDirectory == null) throw new ArgumentNullException("outputDirectory");
if (projectName == null) throw new ArgumentNullException("projectName");
if (log == null) throw new ArgumentNullException("log");
if (FilePath == null) throw new InvalidOperationException("FilePath cannot be null on this instance");
try
{
// Check Project template filepath
var templateDirectory = new FileInfo(FilePath).Directory;
if (templateDirectory == null || !templateDirectory.Exists)
{
log.Error("Invalid ProjectTemplate directory [{0}]", FilePath);
return;
}
// Creates the output directory
var directory = new DirectoryInfo(outputDirectory);
if (!directory.Exists)
{
directory.Create();
}
// Create expando object from options valid for the whole life of generating a project template
var expandoOptions = new ExpandoObject();
var expandoOptionsAsDictionary = (IDictionary<string, object>)expandoOptions;
expandoOptionsAsDictionary["ProjectName"] = projectName;
expandoOptionsAsDictionary["ProjectGuid"] = projectGuid;
if (options != null)
{
foreach (var option in options)
{
expandoOptionsAsDictionary[option.Key] = option.Value;
}
}
var engine = new TemplatingEngine();
// In case this project template is dynamic, we need to generate its content first through T4
if (IsDynamicTemplate)
{
var content = File.ReadAllText(FilePath);
var host = new ProjectTemplatingHost(log, FilePath, templateDirectory.FullName, expandoOptions, Assemblies.Select(assembly => assembly.FullPath));
var newTemplateAsString = engine.ProcessTemplate(content, host);
Files.Clear();
using (var stream = new MemoryStream(Encoding.UTF8.GetBytes(newTemplateAsString)))
{
var newTemplate = (ProjectTemplate)YamlSerializer.Deserialize(stream);
Files.AddRange(newTemplate.Files);
}
}
// Iterate on each files
foreach (var fileItem in Files)
{
if (fileItem.Source == null)
{
log.Warning("Invalid empty file item [{0}] with no source location", fileItem);
continue;
}
var sourceFilePath = System.IO.Path.Combine(templateDirectory.FullName, fileItem.Source);
var targetLocation = fileItem.Target ?? fileItem.Source;
if (Path.IsPathRooted(targetLocation))
{
log.Error("Invalid file item [{0}]. TargetLocation must be a relative path", fileItem);
continue;
}
var targetLocationExpanded = Expand(targetLocation, expandoOptionsAsDictionary, log);
// If this is a template file, turn template on by default
if (fileItem.IsTemplate)
{
var targetPath = Path.GetDirectoryName(targetLocationExpanded);
var targetFileName = Path.GetFileName(targetLocationExpanded);
targetLocationExpanded = targetPath != null ? Path.Combine(targetPath, targetFileName) : targetFileName;
}
var targetFilePath = Path.Combine(outputDirectory, targetLocationExpanded);
try
{
// Make sure that the target directory does exist
var targetDirectory = new FileInfo(targetFilePath).Directory;
if (!targetDirectory.Exists)
{
targetDirectory.Create();
}
bool fileGenerated = false;
if (fileItem.IsTemplate)
{
var content = File.ReadAllText(sourceFilePath);
var host = new ProjectTemplatingHost(log, sourceFilePath, templateDirectory.FullName, expandoOptions, Assemblies.Select(assembly => assembly.FullPath));
var newContent = engine.ProcessTemplate(content, host);
if (newContent != null)
{
fileGenerated = true;
File.WriteAllText(targetFilePath, newContent);
}
}
else
{
fileGenerated = true;
File.Copy(sourceFilePath, targetFilePath, true);
}
if (generatedOutputFiles != null && fileGenerated)
{
generatedOutputFiles.Add(targetFilePath);
}
}
catch (Exception ex)
{
log.Error("Unexpected exception while processing [{0}]", fileItem, ex);
}
}
}
catch (Exception ex)
{
log.Error("Unexpected exception while processing project template [{0}] to directory [{1}]", projectName, outputDirectory, ex);
}
}
public string GeneratePart(string templatePathPart, ILogger log, Dictionary<string, object> options)
{
if (templatePathPart == null) throw new ArgumentNullException("templatePathPart");
if (log == null) throw new ArgumentNullException("log");
var expandoOptions = new ExpandoObject();
var expandoOptionsAsDictionary = (IDictionary<string, object>)expandoOptions;
foreach (var option in options)
{
expandoOptionsAsDictionary[option.Key] = option.Value;
}
var templateDirectory = new FileInfo(FilePath).Directory;
var sourceFilePath = System.IO.Path.Combine(templateDirectory.FullName, templatePathPart);
var content = File.ReadAllText(sourceFilePath);
var engine = new TemplatingEngine();
var host = new ProjectTemplatingHost(log, sourceFilePath, templateDirectory.FullName, expandoOptions, Assemblies.Select(assembly => assembly.FullPath));
return engine.ProcessTemplate(content, host);
}
public string Process(object textTransformation)
{
if (textTransformation == null)
{
throw new ArgumentNullException(nameof(textTransformation));
}
try {
var ttType = textTransformation.GetType();
var errorProp = ttType.GetProperty("Errors", BindingFlags.Instance | BindingFlags.NonPublic);
if (errorProp == null)
{
throw new ArgumentException("Template must have 'Errors' property");
}
var errorMethod = ttType.GetMethod("Error", new Type[] { typeof(string) });
if (errorMethod == null)
{
throw new ArgumentException("Template must have 'Error(string message)' method");
}
var errors = (CompilerErrorCollection)errorProp.GetValue(textTransformation, null);
errors.Clear();
//set the culture
if (culture != null)
{
ToStringHelper.FormatProvider = culture;
}
else
{
ToStringHelper.FormatProvider = CultureInfo.InvariantCulture;
}
string output = null;
var initMethod = ttType.GetMethod("Initialize");
var transformMethod = ttType.GetMethod("TransformText");
if (initMethod == null)
{
errorMethod.Invoke(textTransformation, new object[] { "Error running transform: no method Initialize()" });
}
else if (transformMethod == null)
{
errorMethod.Invoke(textTransformation, new object[] { "Error running transform: no method TransformText()" });
}
else
{
try {
initMethod.Invoke(textTransformation, null);
output = (string)transformMethod.Invoke(textTransformation, null);
}
catch (Exception ex) {
if (TemplatingEngine.IsCriticalException(ex))
{
throw;
}
errorMethod.Invoke(textTransformation, new object[] { "Error running transform: " + ex });
}
}
host.LogErrors(errors.ToTemplateErrorCollection());
ToStringHelper.FormatProvider = CultureInfo.InvariantCulture;
return(output);
}
finally {
#if FEATURE_APPDOMAINS
CurrentDomain.AssemblyResolve -= ResolveReferencedAssemblies;
#endif
}
}
public static void UseInProcessCompiler(this TemplatingEngine engine)
{
engine.SetCompilerFunc((RuntimeInfo r) => new RoslynCodeCompiler(r));
}
