Add Corvus implementation

Makefile

@@ -134,3 +134,20 @@ dist/results/go-jsonschema/%: \
 	schemas/%/instances.jsonl \
 	| dist/results/go-jsonschema
 	@$(call docker_run,go-jsonschema,/workspace/$(dir $(word 2,$^)))
+
+# DOTNET / CORVUS
+
+implementations/corvus/.dockertimestamp: \
+	implementations/corvus/bench.csproj \
+	implementations/corvus/Program.cs \
+	implementations/corvus/generate-and-run.sh \
+	implementations/corvus/Dockerfile
+	docker build -t jsonschema-benchmark/corvus implementations/corvus
+	touch $@
+
+dist/results/corvus/%: \
+	implementations/corvus/.dockertimestamp \
+	schemas/%/schema.json \
+	schemas/%/instances.jsonl \
+	| dist/results/corvus
+	@$(call docker_run,corvus,/workspace/$(word 2,$^) /workspace/$(word 3,$^))

implementations/corvus/Dockerfile

@@ -0,0 +1,6 @@
+FROM mcr.microsoft.com/dotnet/sdk:8.0
+
+COPY . /app
+RUN dotnet tool install --global Corvus.Json.JsonSchema.TypeGeneratorTool --version 3.1.1
+ENTRYPOINT ["/app/generate-and-run.sh"]
+CMD []

implementations/corvus/Program.cs

@@ -0,0 +1,24 @@
+using Corvus.Json;
+using System.Diagnostics;
+using System.Linq;
+
+// Read and parse all instances
+var lines = File.ReadLines(args[0]);
+var docs = lines.Select(l => JSB.Schema.Parse(l));
+
+Stopwatch stopWatch = new Stopwatch();
+stopWatch.Start();
+
+// Loop and validate all instances
+var valid = true;
+foreach (var doc in docs) {
+  var result = doc.Validate(ValidationContext.ValidContext, ValidationLevel.Flag);
+  valid = valid && result.IsValid;
+}
+
+stopWatch.Stop();
+TimeSpan ts = stopWatch.Elapsed;
+
+// Output file time and exit
+Console.WriteLine(ts.TotalNanoseconds);
+Environment.Exit(valid ? 0 : 1);

implementations/corvus/bench.csproj

@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Corvus.Json.ExtendedTypes" Version="3.1.1" />
+  </ItemGroup>
+
+</Project>

implementations/corvus/generate-and-run.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+
+SCHEMA=$1
+INSTANCES=$2
+
+~/.dotnet/tools/generatejsonschematypes --rootNamespace JSB --rootPath='#' --useSchema Draft4 --outputPath /app "$1" > /dev/null
+
+cd app
+dotnet build --configuration=Release > /dev/null || exit 1
+rm -f Schema*.cs
+/app/bin/Release/net8.0/bench "$2"
+exit $?

implementations/corvus/version.sh

@@ -0,0 +1,6 @@
+#!/bin/sh
+
+set -o errexit
+set -o nounset
+
+grep -Eo '\--version .*$' implementations/corvus/Dockerfile | cut -d' ' -f2