Migrate project to use Magnus + rb_sys

.github/workflows/benchmark.yml

@@ -0,0 +1,116 @@
+name: Benchmark
+
+on:
+  push:
+    branches: [master, main]
+  pull_request:
+    branches: [master, main]
+
+jobs:
+  benchmark:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Ruby and Rust
+        uses: oxidize-rb/actions/setup-ruby-and-rust@v1
+        with:
+          ruby-version: "3.4"
+          bundler-cache: true
+          cargo-cache: true
+
+      - name: Build extension
+        run: bundle exec rake compile
+
+      - name: Run benchmarks with YJIT
+        run: |
+          bundle exec ruby --yjit bin/benchmark --json > benchmark_results.json
+
+      - name: Format results as markdown
+        run: |
+          cat > format_results.rb << 'EOF'
+          #!/usr/bin/env ruby
+          require 'json'
+
+          data = JSON.parse(File.read('benchmark_results.json'))
+
+          output = "## 🚀 Benchmark Results\n\n"
+          output += "_Benchmarks run with YJIT enabled on Ruby #{data['ruby_version']}_\n\n"
+
+          # Writing benchmark
+          if data['benchmarks']['writing']
+            output += "### 📝 CSV Writing Performance\n\n"
+            output += "| Library | Iterations/sec | Std Dev |\n"
+            output += "|---------|----------------|----------|\n"
+
+            writing = data['benchmarks']['writing']
+            sorted_writing = writing.sort_by { |_, v| -v['ips'] }
+
+            sorted_writing.each do |name, stats|
+              output += "| #{name} | #{stats['ips'].round(1)} | ±#{stats['stddev_percentage'].round(1)}% |\n"
+            end
+
+            # Add comparison
+            if sorted_writing.length > 1
+              fastest = sorted_writing.first
+              output += "\n**Comparison:**\n\n"
+              sorted_writing.each do |name, stats|
+                if name == fastest[0]
+                  output += "- **#{name}**: #{stats['ips'].round(1)} i/s (fastest)\n"
+                else
+                  slowdown = fastest[1]['ips'] / stats['ips']
+                  output += "- **#{name}**: #{stats['ips'].round(1)} i/s - #{slowdown.round(2)}x slower\n"
+                end
+              end
+            end
+            output += "\n"
+          end
+
+          # Reading benchmark
+          if data['benchmarks']['reading']
+            output += "### 📖 CSV Reading Performance\n\n"
+            output += "| Library | Iterations/sec | Std Dev |\n"
+            output += "|---------|----------------|----------|\n"
+
+            reading = data['benchmarks']['reading']
+            sorted_reading = reading.sort_by { |_, v| -v['ips'] }
+
+            sorted_reading.each do |name, stats|
+              output += "| #{name} | #{stats['ips'].round(1)} | ±#{stats['stddev_percentage'].round(1)}% |\n"
+            end
+
+            # Add comparison
+            if sorted_reading.length > 1
+              fastest = sorted_reading.first
+              output += "\n**Comparison:**\n\n"
+              sorted_reading.each do |name, stats|
+                if name == fastest[0]
+                  output += "- **#{name}**: #{stats['ips'].round(1)} i/s (fastest)\n"
+                else
+                  slowdown = fastest[1]['ips'] / stats['ips']
+                  output += "- **#{name}**: #{stats['ips'].round(1)} i/s - #{slowdown.round(2)}x slower\n"
+                end
+              end
+            end
+            output += "\n"
+          end
+
+          # Write to GitHub Step Summary
+          if ENV['GITHUB_STEP_SUMMARY']
+            File.write(ENV['GITHUB_STEP_SUMMARY'], output)
+            puts "✅ Results written to GitHub Actions summary"
+          end
+
+          # Also print to stdout
+          puts output
+          EOF
+
+          ruby format_results.rb
+
+      - name: Upload benchmark results
+        uses: actions/upload-artifact@v4
+        if: always()
+        with:
+          name: benchmark-results
+          path: benchmark_results.json
+          retention-days: 30

.github/workflows/build.yml

@@ -0,0 +1,105 @@
+name: Build Gems
+
+on:
+  workflow_call:
+    inputs:
+      upload-artifacts:
+        description: "Whether to upload gem artifacts"
+        type: boolean
+        default: true
+        required: false
+      ruby-versions:
+        description: "Ruby versions to test and build for (JSON array)"
+        type: string
+        default: '["3.0", "3.1", "3.2", "3.3", "3.4"]'
+        required: false
+
+jobs:
+  # Test on multiple Ruby versions and platforms
+  test:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+        ruby: ${{ fromJSON(inputs.ruby-versions) }}
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Ruby and Rust
+        uses: oxidize-rb/actions/setup-ruby-and-rust@v1
+        with:
+          ruby-version: ${{ matrix.ruby }}
+          bundler-cache: true
+          cargo-cache: true
+
+      - name: Build extension
+        run: bundle exec rake compile
+
+      - name: Run tests
+        run: bundle exec rake spec
+
+  # Build native gems for different platforms using oxidize-rb/cross-gem
+  cross-gem:
+    name: Build native gem for ${{ matrix.platform }}
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        platform:
+          - x86_64-linux
+          - x86_64-linux-musl
+          - aarch64-linux
+          - aarch64-linux-musl
+          - x86_64-darwin
+          - arm64-darwin
+          - x64-mingw-ucrt
+          - x64-mingw32
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Ruby and Rust
+        uses: oxidize-rb/actions/setup-ruby-and-rust@v1
+        with:
+          ruby-version: "3.3"
+          bundler-cache: true
+          cargo-cache: true
+
+      - name: Build native gem
+        uses: oxidize-rb/actions/cross-gem@v1
+        with:
+          platform: ${{ matrix.platform }}
+          ruby-versions: ${{ join(fromJSON(inputs.ruby-versions), ', ') }}
+
+      - name: Upload gem artifact
+        if: inputs.upload-artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: native-gem-${{ matrix.platform }}
+          path: pkg/*-${{ matrix.platform }}.gem
+          retention-days: 1
+
+  # Build the source gem (no pre-built binary)
+  source-gem:
+    name: Build source gem
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: "3.3"
+          bundler-cache: true
+
+      - name: Build source gem
+        run: gem build rscsv.gemspec
+
+      - name: Upload gem artifact
+        if: inputs.upload-artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: source-gem
+          path: "rscsv-*.gem"
+          retention-days: 1

.github/workflows/ci.yml

@@ -0,0 +1,13 @@
+name: CI
+
+on:
+  push:
+    branches: [master, main]
+  pull_request:
+    branches: [master, main]
+
+jobs:
+  build:
+    uses: ./.github/workflows/build.yml
+    with:
+      upload-artifacts: true

.github/workflows/release.yml

@@ -0,0 +1,47 @@
+name: Release
+
+on:
+  push:
+    tags:
+      - "v*"
+
+jobs:
+  # Build all gems using the reusable workflow
+  build:
+    uses: ./.github/workflows/build.yml
+    with:
+      upload-artifacts: true
+
+  # Publish all gems to RubyGems
+  publish:
+    name: Publish gems to RubyGems
+    needs: build
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      id-token: write
+    environment: release
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: "3.3"
+
+      - name: Download all gem artifacts
+        uses: actions/download-artifact@v4
+        with:
+          path: pkg
+          pattern: "*-gem*"
+          merge-multiple: true
+
+      - name: List gems to publish
+        run: ls -la pkg/
+
+      - name: Publish gems to RubyGems (with trusted publishing)
+        run: |
+          for gem in pkg/*.gem; do
+            echo "Publishing $gem"
+            gem push "$gem"
+          done