Remove file-path writing overloads from generator library

All IO is now exclusively in the MSBuild task. The generator library
only exposes stream/content-based APIs.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: simonrozsival

src/Microsoft.Android.Sdk.TrimmableTypeMap/Generator/JcwJavaSourceGenerator.cs

@@ -41,40 +41,6 @@ namespace Microsoft.Android.Sdk.TrimmableTypeMap;
 /// </remarks>
 public sealed class JcwJavaSourceGenerator
 {
-	/// <summary>
-	/// Generates .java source files for all ACW types and writes them to the output directory.
-	/// Returns the list of generated file paths.
-	/// </summary>
-	public IReadOnlyList<string> Generate (IReadOnlyList<JavaPeerInfo> types, string outputDirectory)
-	{
-		if (types is null) {
-			throw new ArgumentNullException (nameof (types));
-		}
-		if (outputDirectory is null) {
-			throw new ArgumentNullException (nameof (outputDirectory));
-		}
-
-		var generatedFiles = new List<string> ();
-
-		foreach (var type in types) {
-			if (type.DoNotGenerateAcw || type.IsInterface) {
-				continue;
-			}
-
-			string filePath = GetOutputFilePath (type, outputDirectory);
-			string? dir = Path.GetDirectoryName (filePath);
-			if (dir != null) {
-				Directory.CreateDirectory (dir);
-			}
-
-			using var writer = new StreamWriter (filePath);
-			Generate (type, writer);
-			generatedFiles.Add (filePath);
-		}
-
-		return generatedFiles;
-	}
-
 	public IReadOnlyList<GeneratedJavaSource> GenerateContent (IReadOnlyList<JavaPeerInfo> types)
 	{
 		if (types is null) throw new ArgumentNullException (nameof (types));
@@ -110,10 +76,6 @@ static string GetRelativePath (JavaPeerInfo type)
 		return type.JavaName + ".java";
 	}
 
-	static string GetOutputFilePath (JavaPeerInfo type, string outputDirectory)
-	{
-		return Path.Combine (outputDirectory, GetRelativePath (type));
-	}
 
 	/// <summary>
 	/// Validates that the JNI name is well-formed: non-empty, each segment separated by '/'

src/Microsoft.Android.Sdk.TrimmableTypeMap/Generator/PEAssemblyBuilder.cs

@@ -94,20 +94,6 @@ public void EmitPreamble (string assemblyName, string moduleName, ReadOnlySpan<b
 			MetadataTokens.MethodDefinitionHandle (1));
 	}
 
-	/// <summary>
-	/// Serialises the metadata + IL into a PE DLL at <paramref name="outputPath"/>.
-	/// </summary>
-	public void WritePE (string outputPath)
-	{
-		var dir = Path.GetDirectoryName (outputPath);
-		if (!string.IsNullOrEmpty (dir)) {
-			Directory.CreateDirectory (dir);
-		}
-
-		using var fs = File.Create (outputPath);
-		WritePE (fs);
-	}
-
 	/// <summary>
 	/// Serialises the metadata + IL into a PE DLL and writes it to the given <paramref name="stream"/>.
 	/// </summary>

src/Microsoft.Android.Sdk.TrimmableTypeMap/Generator/RootTypeMapAssemblyGenerator.cs

@@ -31,28 +31,6 @@ public RootTypeMapAssemblyGenerator (Version systemRuntimeVersion)
 		_systemRuntimeVersion = systemRuntimeVersion ?? throw new ArgumentNullException (nameof (systemRuntimeVersion));
 	}
 
-	/// <summary>
-	/// Generates the root typemap assembly and writes it to a file.
-	/// </summary>
-	/// <param name="perAssemblyTypeMapNames">Names of per-assembly typemap assemblies to reference.</param>
-	/// <param name="outputPath">Path to write the output .dll.</param>
-	/// <param name="assemblyName">Optional assembly name (defaults to _Microsoft.Android.TypeMaps).</param>
-	public void Generate (IReadOnlyList<string> perAssemblyTypeMapNames, string outputPath, string? assemblyName = null)
-	{
-		if (outputPath is null) {
-			throw new ArgumentNullException (nameof (outputPath));
-		}
-
-		var dir = Path.GetDirectoryName (outputPath);
-		if (!string.IsNullOrEmpty (dir)) {
-			Directory.CreateDirectory (dir);
-		}
-
-		var moduleName = Path.GetFileName (outputPath);
-		using var fs = File.Create (outputPath);
-		Generate (perAssemblyTypeMapNames, fs, assemblyName, moduleName);
-	}
-
 	/// <summary>
 	/// Generates the root typemap assembly and writes it to the given stream.
 	/// </summary>

src/Microsoft.Android.Sdk.TrimmableTypeMap/Generator/TypeMapAssemblyEmitter.cs

@@ -118,22 +118,6 @@ public TypeMapAssemblyEmitter (Version systemRuntimeVersion)
 		_pe = new PEAssemblyBuilder (_systemRuntimeVersion);
 	}
 
-	/// <summary>
-	/// Emits a PE assembly from the given model and writes it to <paramref name="outputPath"/>.
-	/// </summary>
-	public void Emit (TypeMapAssemblyData model, string outputPath)
-	{
-		if (model is null) {
-			throw new ArgumentNullException (nameof (model));
-		}
-		if (outputPath is null) {
-			throw new ArgumentNullException (nameof (outputPath));
-		}
-
-		EmitCore (model);
-		_pe.WritePE (outputPath);
-	}
-
 	/// <summary>
 	/// Emits a PE assembly from the given model and writes it to <paramref name="stream"/>.
 	/// </summary>

src/Microsoft.Android.Sdk.TrimmableTypeMap/Generator/TypeMapAssemblyGenerator.cs

@@ -18,19 +18,6 @@ public TypeMapAssemblyGenerator (Version systemRuntimeVersion)
 		_systemRuntimeVersion = systemRuntimeVersion ?? throw new ArgumentNullException (nameof (systemRuntimeVersion));
 	}
 
-	/// <summary>
-	/// Generates a TypeMap PE assembly from the given Java peer info records.
-	/// </summary>
-	/// <param name="peers">Scanned Java peer types.</param>
-	/// <param name="outputPath">Path where the output .dll will be written.</param>
-	/// <param name="assemblyName">Optional explicit assembly name. Derived from outputPath if null.</param>
-	public void Generate (IReadOnlyList<JavaPeerInfo> peers, string outputPath, string? assemblyName = null)
-	{
-		var model = ModelBuilder.Build (peers, outputPath, assemblyName);
-		var emitter = new TypeMapAssemblyEmitter (_systemRuntimeVersion);
-		emitter.Emit (model, outputPath);
-	}
-
 	/// <summary>
 	/// Generates a TypeMap PE assembly from the given Java peer info records and writes it to <paramref name="stream"/>.
 	/// </summary>