pack/unpack class

compiler/NubLib.cs

@@ -0,0 +1,62 @@
+using System.IO.Compression;
+using System.Text.Json;
+
+namespace Compiler;
+
+public class NubLib
+{
+    private static readonly JsonSerializerOptions JsonOptions = new()
+    {
+        PropertyNamingPolicy = JsonNamingPolicy.CamelCase,
+        WriteIndented = true,
+    };
+
+    public static void Pack(string outputPath, string archivePath, Manifest manifest)
+    {
+        using var fs = new FileStream(outputPath, FileMode.Create);
+        using var zip = new ZipArchive(fs, ZipArchiveMode.Create);
+
+        var manifestEntry = zip.CreateEntry("manifest.json");
+        using (var writer = new StreamWriter(manifestEntry.Open()))
+        {
+            var serialized = JsonSerializer.Serialize(manifest, JsonOptions);
+
+            writer.Write(serialized);
+        }
+
+        var archiveEntry = zip.CreateEntry("lib.a");
+
+        using var entryStream = archiveEntry.Open();
+        using var fileStream = File.OpenRead(archivePath);
+
+        fileStream.CopyTo(entryStream);
+    }
+
+    public static NublibLoadResult Unpack(string nublibPath)
+    {
+        using var fs = new FileStream(nublibPath, FileMode.Open, FileAccess.Read);
+        using var zip = new ZipArchive(fs, ZipArchiveMode.Read);
+
+        var manifestEntry = zip.GetEntry("manifest.json") ?? throw new FileNotFoundException("Manifest not found in nublib", "manifest.json");
+
+        Manifest manifest;
+        using (var reader = new StreamReader(manifestEntry.Open()))
+        {
+            var json = reader.ReadToEnd();
+            manifest = JsonSerializer.Deserialize<Manifest>(json, JsonOptions) ?? throw new InvalidDataException("Failed to deserialize manifest.json");
+        }
+
+        var archiveEntry = zip.Entries.FirstOrDefault(e => e.Name.EndsWith(".a")) ?? throw new FileNotFoundException("Archive not found in nublib", "*.a");
+
+        string tempArchivePath = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString("N") + ".a");
+        using (var entryStream = archiveEntry.Open())
+        using (var tempFile = File.Create(tempArchivePath))
+        {
+            entryStream.CopyTo(tempFile);
+        }
+
+        return new NublibLoadResult(manifest, tempArchivePath);
+    }
+
+    public record NublibLoadResult(Manifest Manifest, string ArchivePath);
+}

compiler/Program.cs

@@ -1,6 +1,4 @@
 using System.Diagnostics;
-using System.IO.Compression;
-using System.Text.Json;
 using Compiler;
 
 var nubFiles = new List<string>();
@@ -66,7 +64,7 @@ var archivePaths = new List<string>();
 
 foreach (var libPath in libFiles)
 {
-    var lib = ReadNublib(libPath);
+    var lib = NubLib.Unpack(libPath);
     archivePaths.Add(lib.ArchivePath);
     moduleGraphBuilder.AddManifest(lib.Manifest);
 }
@@ -137,7 +135,7 @@ if (compileLib)
     File.WriteAllText(".build/out.c", output);
     Process.Start("gcc", ["-Og", "-fvisibility=hidden", "-fno-builtin", "-c", "-o", ".build/out.o", ".build/out.c", .. archivePaths]).WaitForExit();
     Process.Start("ar", ["rcs", ".build/out.a", ".build/out.o"]).WaitForExit();
-    WriteNublib(".build/out.nublib", ".build/out.a", moduleGraph.CreateManifest());
+    NubLib.Pack(".build/out.nublib", ".build/out.a", moduleGraph.CreateManifest());
 }
 else
 {
@@ -161,57 +159,4 @@ static void CleanDirectory(string dirName)
         CleanDirectory(subdir.FullName);
         subdir.Delete();
     }
-}
-
-static void WriteNublib(string outputPath, string archivePath, Manifest manifest)
-{
-    using var fs = new FileStream(outputPath, FileMode.Create);
-    using var zip = new ZipArchive(fs, ZipArchiveMode.Create);
-
-    var serialized = JsonSerializer.Serialize(manifest, new JsonSerializerOptions
-    {
-        PropertyNamingPolicy = JsonNamingPolicy.CamelCase,
-        WriteIndented = true,
-    });
-
-    var manifestEntry = zip.CreateEntry("manifest.json");
-    using (var writer = new StreamWriter(manifestEntry.Open()))
-    {
-        writer.Write(JsonSerializer.Serialize(manifest));
-    }
-
-    var archiveEntry = zip.CreateEntry("lib.a");
-
-    using var entryStream = archiveEntry.Open();
-    using var fileStream = File.OpenRead(archivePath);
-
-    fileStream.CopyTo(entryStream);
-}
-
-static NublibLoadResult ReadNublib(string nublibPath)
-{
-    using var fs = new FileStream(nublibPath, FileMode.Open, FileAccess.Read);
-    using var zip = new ZipArchive(fs, ZipArchiveMode.Read);
-
-    var manifestEntry = zip.GetEntry("manifest.json") ?? throw new FileNotFoundException("Manifest not found in nublib", "manifest.json");
-
-    Manifest manifest;
-    using (var reader = new StreamReader(manifestEntry.Open()))
-    {
-        var json = reader.ReadToEnd();
-        manifest = JsonSerializer.Deserialize<Manifest>(json) ?? throw new InvalidDataException("Failed to deserialize manifest.json");
-    }
-
-    var archiveEntry = zip.Entries.FirstOrDefault(e => e.Name.EndsWith(".a")) ?? throw new FileNotFoundException("Archive not found in nublib", "*.a");
-
-    string tempArchivePath = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString("N") + ".a");
-    using (var entryStream = archiveEntry.Open())
-    using (var tempFile = File.Create(tempArchivePath))
-    {
-        entryStream.CopyTo(tempFile);
-    }
-
-    return new NublibLoadResult(manifest, tempArchivePath);
-}
-
-public record NublibLoadResult(Manifest Manifest, string ArchivePath);
+}