public IProcessTransformationRunner PrepareTransformationRunner(string content, ITextTemplatingEngineHost host, IProcessTransformationRunFactory runFactory, bool debugging = false)
{
if (content == null)
{
throw new ArgumentNullException(nameof(content));
}
if (host == null)
{
throw new ArgumentNullException(nameof(host));
}
if (runFactory == null)
{
throw new ArgumentNullException(nameof(runFactory));
}
if (host is ITextTemplatingSessionHost sessionHost)
{
if (sessionHost.Session == null)
{
sessionHost.Session = sessionHost.CreateSession();
}
}
IProcessTransformationRunner runner = null;
ParsedTemplate pt = ParsedTemplate.FromText(content, host);
TemplateSettings settings = GetSettings(host, pt);
settings.Debug = debugging || settings.CachedTemplates;
EnsureParameterValuesExist(settings, host, pt);
try {
if (pt.Errors.HasErrors)
{
return(null);
}
runner = CompileAndPrepareRunner(pt, content, host, runFactory, settings);
}
catch (Exception ex) {
if (IsCriticalException(ex))
{
throw;
}
pt.LogError(string.Format(CultureInfo.CurrentCulture, VsTemplatingErrorResources.ExceptionProcessingTemplate, ex), new Location(host.TemplateFile, -1, -1));
}
finally {
host.LogErrors(pt.Errors);
}
return(runner);
}
public string ProcessTemplate(string content, ITextTemplatingEngineHost host)
{
ParsedTemplate pt = ParsedTemplate.FromText(content, host);
if (pt.Errors.HasErrors)
{
host.LogErrors(pt.Errors);
return(null);
}
TemplateSettings settings = GetSettings(host, pt);
if (pt.Errors.HasErrors)
{
host.LogErrors(pt.Errors);
return(null);
}
CodeCompileUnit ccu = GenerateCompileUnit(host, pt, settings);
if (pt.Errors.HasErrors)
{
host.LogErrors(pt.Errors);
return(null);
}
System.Reflection.Assembly results = GenerateCode(host, pt, settings, ccu);
if (pt.Errors.HasErrors)
{
host.LogErrors(pt.Errors);
return(null);
}
if (!String.IsNullOrEmpty(settings.Extension))
{
host.SetFileExtension(settings.Extension);
}
if (settings.Encoding != null)
{
//FIXME: when is this called with false?
host.SetOutputEncoding(settings.Encoding, true);
}
string output = "";
try {
output = Run(results, settings.Namespace + "." + settings.Name, host, settings.Culture);
} catch (Exception ex) {
pt.LogError("Error running transform: " + ex.ToString());
}
host.LogErrors(pt.Errors);
return(output);
}
public CompiledTemplate CompileTemplate(string content, ITextTemplatingEngineHost host)
{
ParsedTemplate pt = ParsedTemplate.FromText(content, host);
if (pt.Errors.HasErrors)
{
host.LogErrors(pt.Errors);
return(null);
}
TemplateSettings settings = GetSettings(host, pt);
if (pt.Errors.HasErrors)
{
host.LogErrors(pt.Errors);
return(null);
}
CodeCompileUnit ccu = GenerateCompileUnit(host, pt, settings);
if (pt.Errors.HasErrors)
{
host.LogErrors(pt.Errors);
return(null);
}
System.Reflection.Assembly results = GenerateCode(host, pt, settings, ccu);
if (pt.Errors.HasErrors)
{
host.LogErrors(pt.Errors);
return(null);
}
if (!String.IsNullOrEmpty(settings.Extension))
{
host.SetFileExtension(settings.Extension);
}
if (settings.Encoding != null)
{
//FIXME: when is this called with false?
host.SetOutputEncoding(settings.Encoding, true);
}
return(new CompiledTemplate(pt, host, results, settings));
}
static int MainInternal(string [] args)
{
if (args.Length == 0)
{
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;
if (remainingArgs.Count != 1)
{
if (Console.IsInputRedirected)
{
inputContent = Console.In.ReadToEnd();
}
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 == "-";
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 = ParsedTemplate.FromText(inputContent, generator);
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)
{
outputContent = generator.ProcessTemplate(pt, inputFile, inputContent, ref outputFile, settings);
}
else
{
outputContent = generator.PreprocessTemplate(pt, inputFile, inputContent, preprocessClassName, settings);
}
}
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);
}