opengl source gen tool works
This commit is contained in:
Youmu Liu
@@ -9,6 +9,7 @@ using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Text;
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using StgSharp.GenerateGL.Generation;
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using StgSharp.GenerateGL.Registry;
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@@ -23,14 +24,15 @@ namespace StgSharp.GenerateGL
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private const int QueryErrorExitCode = 1;
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private const int SuccessExitCode = 0;
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private const int UsageErrorExitCode = 2;
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private const string GeneratedFileMarker = "// <auto-generated>";
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public static int Generate(
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GlRegistryModel registry,
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GlRegistryProjection projection,
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IReadOnlyList<string> arguments,
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out GeneratedFileSet? generatedFiles
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)
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{
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ArgumentNullException.ThrowIfNull(registry);
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ArgumentNullException.ThrowIfNull(projection);
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ArgumentNullException.ThrowIfNull(arguments);
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generatedFiles = null;
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@@ -40,17 +42,24 @@ namespace StgSharp.GenerateGL
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return SuccessExitCode;
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}
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if (arguments.Count != 0)
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if (arguments.Count > 1)
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{
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Console.Error.WriteLine(
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$"error: unknown generate option '{arguments[0]}'.");
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Console.Error.WriteLine("error: generate accepts at most one output directory.");
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Console.Error.WriteLine("Run 'generate --help' for command information.");
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return UsageErrorExitCode;
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}
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string? outputDirectory = arguments.Count == 1 ? arguments[0] : null;
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string? resolvedOutputDirectory = null;
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try
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{
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generatedFiles = OpenGlGenerator.Generate(registry);
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generatedFiles = OpenGlGenerator.Generate(projection);
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if (outputDirectory is not null)
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{
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resolvedOutputDirectory = WriteGeneratedFiles(
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generatedFiles,
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outputDirectory);
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}
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}
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catch (InvalidDataException exception)
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{
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@@ -62,14 +71,136 @@ namespace StgSharp.GenerateGL
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Console.Error.WriteLine($"error: {exception.Message}");
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return QueryErrorExitCode;
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}
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catch (UnauthorizedAccessException exception)
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{
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Console.Error.WriteLine($"error: {exception.Message}");
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return QueryErrorExitCode;
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}
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catch (IOException exception)
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{
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Console.Error.WriteLine($"error: {exception.Message}");
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return QueryErrorExitCode;
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}
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catch (ArgumentException exception)
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{
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Console.Error.WriteLine($"error: {exception.Message}");
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return QueryErrorExitCode;
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}
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catch (NotSupportedException exception)
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{
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Console.Error.WriteLine($"error: {exception.Message}");
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return QueryErrorExitCode;
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}
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Console.WriteLine(
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$"Generated {generatedFiles.Files.Count} file(s) in memory.");
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Console.WriteLine("Use 'list files' and 'preview <filename>' to inspect them.");
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Console.WriteLine("No files were written to disk.");
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Console.WriteLine(
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resolvedOutputDirectory is null
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? "No files were written to disk."
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: $"Wrote {generatedFiles.Files.Count} file(s) to " +
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$"'{resolvedOutputDirectory}'.");
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return SuccessExitCode;
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}
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private static string WriteGeneratedFiles(
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GeneratedFileSet files,
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string outputDirectory
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)
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{
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ArgumentNullException.ThrowIfNull(files);
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ArgumentException.ThrowIfNullOrWhiteSpace(outputDirectory);
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string directory = Path.TrimEndingDirectorySeparator(
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Path.GetFullPath(outputDirectory));
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if (!Directory.Exists(directory))
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{
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throw new DirectoryNotFoundException(
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$"Output directory '{directory}' does not exist.");
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}
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StringComparison pathComparison = OperatingSystem.IsWindows()
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? StringComparison.OrdinalIgnoreCase
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: StringComparison.Ordinal;
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List<StagedGeneratedFile> stagedFiles = new List<StagedGeneratedFile>(
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files.Files.Count);
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try
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{
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foreach (GeneratedFile file in files.Files)
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{
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string fileName = Path.GetFileName(file.Name);
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if (!string.Equals(fileName, file.Name, StringComparison.Ordinal) ||
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string.IsNullOrWhiteSpace(fileName))
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{
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throw new InvalidDataException(
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$"Generated file name '{file.Name}' is not a plain file name.");
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}
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string targetPath = Path.GetFullPath(Path.Combine(directory, fileName));
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if (!string.Equals(
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Path.GetDirectoryName(targetPath),
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directory,
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pathComparison))
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{
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throw new InvalidDataException(
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$"Generated file '{file.Name}' escapes the output directory.");
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}
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EnsureTargetCanBeReplaced(targetPath);
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string temporaryPath = Path.Combine(
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directory,
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$".{fileName}.{Guid.NewGuid():N}.tmp");
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using (FileStream stream = new FileStream(
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temporaryPath,
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FileMode.CreateNew,
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FileAccess.Write,
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FileShare.None))
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using (StreamWriter writer = new StreamWriter(
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stream,
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new UTF8Encoding(false)))
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{
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writer.Write(file.Content);
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}
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stagedFiles.Add(new StagedGeneratedFile(temporaryPath, targetPath));
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}
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foreach (StagedGeneratedFile file in stagedFiles)
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{
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File.Move(file.TemporaryPath, file.TargetPath, true);
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}
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}
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finally
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{
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foreach (StagedGeneratedFile file in stagedFiles)
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{
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if (File.Exists(file.TemporaryPath))
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{
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File.Delete(file.TemporaryPath);
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}
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}
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}
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return directory;
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}
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private static void EnsureTargetCanBeReplaced(
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string targetPath
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)
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{
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if (!File.Exists(targetPath))
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{
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return;
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}
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string? firstLine = File.ReadLines(targetPath).FirstOrDefault();
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if (!string.Equals(firstLine, GeneratedFileMarker, StringComparison.Ordinal))
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{
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throw new IOException(
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$"Refusing to overwrite non-generated file '{targetPath}'.");
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}
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}
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public static int ListFiles(
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GeneratedFileSet files,
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IReadOnlyList<string> arguments
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@@ -90,7 +221,7 @@ namespace StgSharp.GenerateGL
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return QueryErrorExitCode;
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}
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Console.WriteLine("Generated files (memory only)");
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Console.WriteLine("Generated files held in the current session");
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for (int index = 0; index < files.Files.Count; index++)
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{
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GeneratedFile file = files.Files[index];
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@@ -141,16 +272,23 @@ namespace StgSharp.GenerateGL
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Console.WriteLine();
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Console.WriteLine("Usage:");
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Console.WriteLine(" generate");
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Console.WriteLine(" generate <output-directory>");
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Console.WriteLine(" generate --help");
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Console.WriteLine();
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Console.WriteLine("Status:");
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Console.WriteLine(" Output is retained in the current process only.");
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Console.WriteLine(" Running 'generate' does not create or modify disk files.");
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Console.WriteLine("Output:");
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Console.WriteLine(" Without a directory, output is retained in memory only.");
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Console.WriteLine(" The output directory must already exist and be writable.");
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Console.WriteLine(" Existing files are replaced only when marked as generated.");
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Console.WriteLine();
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Console.WriteLine("Inspection:");
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Console.WriteLine(" list files");
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Console.WriteLine(" preview <filename>");
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}
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private sealed record StagedGeneratedFile(
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string TemporaryPath,
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string TargetPath
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);
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}
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}
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