/// <summary>
/// Called to execute the code generator application.
/// </summary>
/// <param name="args">The command-line arguments.</param>
/// <returns>The exit code.</returns>
public int Run(IReadOnlyList <string> args)
{
try
{
var argsReader = new ArgsReader(args);
if (argsReader.ReadHelpFlag())
{
foreach (string line in Description)
{
System.Console.WriteLine(line);
}
System.Console.WriteLine();
WriteUsage();
return(0);
}
var generator = CreateGenerator(argsReader);
generator.GeneratorName = s_assemblyName;
if (SupportsCustomIndent)
{
string indentText = argsReader.ReadIndentOption();
if (indentText != null)
{
generator.IndentText = indentText;
}
}
if (SupportsCustomNewLine)
{
string newLine = argsReader.ReadNewLineOption();
if (newLine != null)
{
generator.NewLine = newLine;
}
}
string serviceName = argsReader.ReadServiceNameOption();
bool shouldClean = SupportsClean && argsReader.ReadCleanFlag();
bool isQuiet = argsReader.ReadQuietFlag();
bool isVerify = argsReader.ReadVerifyFlag();
bool isDryRun = argsReader.ReadDryRunFlag();
string inputPath = argsReader.ReadArgument();
if (inputPath == null)
{
throw new ArgsReaderException("Missing input path.");
}
string outputPath = argsReader.ReadArgument();
if (outputPath == null)
{
throw new ArgsReaderException("Missing output path.");
}
argsReader.VerifyComplete();
NamedText input;
if (inputPath == "-")
{
input = new NamedText("", System.Console.In.ReadToEnd());
}
else
{
if (!File.Exists(inputPath))
{
throw new ApplicationException("Input file does not exist: " + inputPath);
}
input = new NamedText(Path.GetFileName(inputPath), File.ReadAllText(inputPath));
}
ServiceInfo service;
if (ServiceDefinitionUtility.DetectFormat(input) == ServiceDefinitionFormat.Swagger)
{
service = new SwaggerParser {
ServiceName = serviceName
}.ParseDefinition(input);
}
else
{
if (serviceName != null)
{
throw new ArgsReaderException("--serviceName not supported for FSD input.");
}
service = new FsdParser().ParseDefinition(input);
}
PrepareGenerator(generator, service, outputPath);
var output = generator.GenerateOutput(service);
if (SupportsSingleOutput &&
!outputPath.EndsWith("/", StringComparison.Ordinal) &&
!outputPath.EndsWith("\\", StringComparison.Ordinal) &&
!Directory.Exists(outputPath))
{
if (output.NamedTexts.Count > 1)
{
throw new InvalidOperationException("Multiple outputs not expected.");
}
if (output.NamedTexts.Count == 1)
{
var namedText = output.NamedTexts[0];
if (outputPath == "-")
{
System.Console.Write(namedText.Text);
}
else if (ShouldWriteByteOrderMark(namedText.Name))
{
File.WriteAllText(outputPath, namedText.Text, s_utf8WithBom);
}
else
{
File.WriteAllText(outputPath, namedText.Text);
}
}
}
else
{
var namedTextsToWrite = new List <NamedText>();
foreach (var namedText in output.NamedTexts)
{
string existingFilePath = Path.Combine(outputPath, namedText.Name);
if (File.Exists(existingFilePath))
{
// ignore CR when comparing files
if (namedText.Text.Replace("\r", "") != File.ReadAllText(existingFilePath).Replace("\r", ""))
{
namedTextsToWrite.Add(namedText);
if (!isQuiet)
{
System.Console.WriteLine("changed " + namedText.Name);
}
}
}
else
{
namedTextsToWrite.Add(namedText);
if (!isQuiet)
{
System.Console.WriteLine("added " + namedText.Name);
}
}
}
var namesToDelete = new List <string>();
if (shouldClean && output.PatternsToClean.Count != 0)
{
var directoryInfo = new DirectoryInfo(outputPath);
if (directoryInfo.Exists)
{
foreach (string nameMatchingPattern in FindNamesMatchingPatterns(directoryInfo, output.PatternsToClean))
{
if (output.NamedTexts.All(x => x.Name != nameMatchingPattern))
{
namesToDelete.Add(nameMatchingPattern);
if (!isQuiet)
{
System.Console.WriteLine("removed " + nameMatchingPattern);
}
}
}
}
}
if (isVerify)
{
return(namedTextsToWrite.Count != 0 || namesToDelete.Count != 0 ? 1 : 0);
}
if (!isDryRun)
{
if (!Directory.Exists(outputPath))
{
Directory.CreateDirectory(outputPath);
}
foreach (var namedText in namedTextsToWrite)
{
string outputFilePath = Path.Combine(outputPath, namedText.Name);
string outputFileDirectoryPath = Path.GetDirectoryName(outputFilePath);
if (outputFileDirectoryPath != null && outputFileDirectoryPath != outputPath && !Directory.Exists(outputFileDirectoryPath))
{
Directory.CreateDirectory(outputFileDirectoryPath);
}
if (ShouldWriteByteOrderMark(namedText.Name))
{
File.WriteAllText(outputFilePath, namedText.Text, s_utf8WithBom);
}
else
{
File.WriteAllText(outputFilePath, namedText.Text);
}
}
foreach (string nameToDelete in namesToDelete)
{
File.Delete(Path.Combine(outputPath, nameToDelete));
}
}
}
return(0);
}
catch (Exception exception)
{
if (exception is ApplicationException || exception is ArgsReaderException || exception is ServiceDefinitionException)
{
System.Console.Error.WriteLine(exception.Message);
if (exception is ArgsReaderException)
{
System.Console.Error.WriteLine();
WriteUsage();
}
return(2);
}
else
{
System.Console.Error.WriteLine(exception.ToString());
return(3);
}
}
}
public async Task <ServiceResult <GenerateResponseDto> > GenerateAsync(GenerateRequestDto request, CancellationToken cancellationToken)
{
if (request == null)
{
throw new ArgumentNullException(nameof(request));
}
try
{
var input = new NamedText(request.Definition?.Name ?? "", request.Definition?.Text ?? "");
bool isSwagger = ServiceDefinitionUtility.DetectFormat(input) == ServiceDefinitionFormat.Swagger;
var service = isSwagger ? new SwaggerParser().ParseDefinition(input) : new FsdParser().ParseDefinition(input);
var generatorName = request.Generator?.Name;
switch (generatorName)
{
case "csharp":
return(ServiceResult.Success(GenerateCode(() => new CSharpGenerator(), g => g.GenerateOutput(service))));
case "javascript":
return(ServiceResult.Success(GenerateCode(() => new JavaScriptGenerator(), g => g.GenerateOutput(service))));
case "typescript":
return(ServiceResult.Success(GenerateCode(() => new JavaScriptGenerator {
TypeScript = true
}, g => g.GenerateOutput(service))));
case "markdown":
return(ServiceResult.Success(GenerateCode(() => new MarkdownGenerator(), g => g.GenerateOutput(service))));
case "fsd":
return(ServiceResult.Success(GenerateCode(() => new FsdGenerator(), g => g.GenerateOutput(service))));
case "swagger-json":
return(ServiceResult.Success(GenerateCode(() => new SwaggerGenerator(), g => g.GenerateOutput(service))));
case "swagger-yaml":
return(ServiceResult.Success(GenerateCode(() => new SwaggerGenerator {
Yaml = true
}, g => g.GenerateOutput(service))));
case "asp-net-web-api":
return(ServiceResult.Success(GenerateCode(() => new AspNetGenerator(), g => g.GenerateOutput(service))));
case "crash":
throw new InvalidOperationException("Intentional exception for diagnostic purposes.");
default:
return(ServiceResult.Failure(ServiceErrors.CreateInvalidRequest($"Unrecognized generator '{generatorName}'.")));
}
}
catch (ServiceDefinitionException exception)
{
return(ServiceResult.Success(new GenerateResponseDto
{
Failure = new FailureDto
{
Message = exception.Error,
Line = exception.Position.LineNumber,
Column = exception.Position.ColumnNumber,
},
}));
}
}
