005 dotnet bindings

[MathiasVDA]

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[codecov]

Codecov Report

❌ Patch coverage is 91.80328% with 5 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
tp-core/src/io/csv.rs	82.75%	5 Missing ⚠️

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[Copilot]

Pull request overview

Adds a new tp-net Rust crate and accompanying TpLib C# library to expose tp-lib-core functionality to .NET consumers via a JSON-over-FFI ByteBuffer contract, plus CI/NuGet packaging scaffolding and core in-memory parsing helpers required for FFI use cases.

Changes:

• Introduces Rust FFI surface (tp-net) for GNSS projection, path calculation, and detection preparation using heap-owned ByteBuffer payloads.
• Adds managed C# API (TpLib) with models, native resolver, P/Invoke stubs, and xUnit tests.
• Extends tp-core parsers with *_str in-memory variants to avoid disk I/O and support FFI.

Reviewed changes

Copilot reviewed 80 out of 191 changed files in this pull request and generated 11 comments.

Show a summary per file

File	Description
tp-net/src/marshal.rs	Rust JSON (de)serialization helpers for FFI payloads
tp-net/src/lib.rs	Rust extern "C" FFI entry points for projection/path/detection flows
tp-net/src/ffi.rs	Rust ByteBuffer + #[repr(C)] config structs and free function
tp-net/README.md	README for the .NET bindings package
tp-net/csharp/TpLibNative.cs	Native library resolver + free-buffer helper
tp-net/csharp/TpLib.targets	MSBuild target for copying RID-specific native binaries
tp-net/csharp/TpLib.csproj	.NET project + packaging configuration for NuGet
tp-net/csharp/TpLib.cs	Public managed API wrappers around the FFI calls
tp-net/csharp/Tests/TpLib.Tests.csproj	xUnit test project
tp-net/csharp/Tests/TestData.cs	Test helper for locating fixture data
tp-net/csharp/Tests/SerializationTests.cs	JSON serialization unit tests for enums/config/timestamps
tp-net/csharp/Tests/ProjectionTests.cs	Projection integration tests using sample fixtures
tp-net/csharp/Tests/PathCalculationTests.cs	Path calculation integration tests
tp-net/csharp/Tests/InMemoryInputTests.cs	Tests for in-memory network/GNSS input builders
tp-net/csharp/Tests/DetectionPreparationTests.cs	Detection preparation integration tests
tp-net/csharp/Tests/obj/TpLib.Tests.csproj.nuget.g.targets	Generated build output committed in-tree
tp-net/csharp/Tests/obj/TpLib.Tests.csproj.nuget.g.props	Generated build output committed in-tree
tp-net/csharp/Tests/obj/TpLib.Tests.csproj.nuget.dgspec.json	Generated build output committed in-tree
tp-net/csharp/Tests/obj/project.nuget.cache	Generated build output committed in-tree
tp-net/csharp/Tests/obj/Debug/net8.0/TpLib.Tests.sourcelink.json	Generated build output committed in-tree
tp-net/csharp/Tests/obj/Debug/net8.0/TpLib.Tests.GlobalUsings.g.cs	Generated build output committed in-tree
tp-net/csharp/Tests/obj/Debug/net8.0/TpLib.Tests.genruntimeconfig.cache	Generated build output committed in-tree
tp-net/csharp/Tests/obj/Debug/net8.0/TpLib.Tests.GeneratedMSBuildEditorConfig.editorconfig	Generated build output committed in-tree
tp-net/csharp/Tests/obj/Debug/net8.0/TpLib.Tests.csproj.FileListAbsolute.txt	Generated build output committed in-tree
tp-net/csharp/Tests/obj/Debug/net8.0/TpLib.Tests.csproj.CoreCompileInputs.cache	Generated build output committed in-tree
tp-net/csharp/Tests/obj/Debug/net8.0/TpLib.Tests.AssemblyInfoInputs.cache	Generated build output committed in-tree
tp-net/csharp/Tests/obj/Debug/net8.0/TpLib.Tests.AssemblyInfo.cs	Generated build output committed in-tree
tp-net/csharp/Tests/obj/Debug/net8.0/.NETCoreApp,Version=v8.0.AssemblyAttributes.cs	Generated build output committed in-tree
tp-net/csharp/Tests/bin/Debug/net8.0/TpLib.xml	Generated build output committed in-tree
tp-net/csharp/Tests/bin/Debug/net8.0/TpLib.Tests.runtimeconfig.json	Generated build output committed in-tree
tp-net/csharp/Tests/bin/Debug/net8.0/TpLib.Tests.deps.json	Generated build output committed in-tree
tp-net/csharp/obj/TpLib.csproj.nuget.g.targets	Generated build output committed in-tree
tp-net/csharp/obj/TpLib.csproj.nuget.g.props	Generated build output committed in-tree
tp-net/csharp/obj/TpLib.csproj.nuget.dgspec.json	Generated build output committed in-tree
tp-net/csharp/obj/Release/net8.0/TpLib.xml	Generated build output committed in-tree
tp-net/csharp/obj/Release/net8.0/TpLib.sourcelink.json	Generated build output committed in-tree
tp-net/csharp/obj/Release/net8.0/TpLib.GlobalUsings.g.cs	Generated build output committed in-tree
tp-net/csharp/obj/Release/net8.0/TpLib.GeneratedMSBuildEditorConfig.editorconfig	Generated build output committed in-tree
tp-net/csharp/obj/Release/net8.0/TpLib.csproj.FileListAbsolute.txt	Generated build output committed in-tree
tp-net/csharp/obj/Release/net8.0/TpLib.csproj.CoreCompileInputs.cache	Generated build output committed in-tree
tp-net/csharp/obj/Release/net8.0/TpLib.AssemblyInfoInputs.cache	Generated build output committed in-tree
tp-net/csharp/obj/Release/net8.0/TpLib.AssemblyInfo.cs	Generated build output committed in-tree
tp-net/csharp/obj/Release/net8.0/.NETCoreApp,Version=v8.0.AssemblyAttributes.cs	Generated build output committed in-tree
tp-net/csharp/obj/project.nuget.cache	Generated build output committed in-tree
tp-net/csharp/obj/project.assets.json	Generated build output committed in-tree
tp-net/csharp/obj/Debug/net8.0/TpLib.xml	Generated build output committed in-tree
tp-net/csharp/obj/Debug/net8.0/TpLib.sourcelink.json	Generated build output committed in-tree
tp-net/csharp/obj/Debug/net8.0/TpLib.GlobalUsings.g.cs	Generated build output committed in-tree
tp-net/csharp/obj/Debug/net8.0/TpLib.GeneratedMSBuildEditorConfig.editorconfig	Generated build output committed in-tree
tp-net/csharp/obj/Debug/net8.0/TpLib.csproj.FileListAbsolute.txt	Generated build output committed in-tree
tp-net/csharp/obj/Debug/net8.0/TpLib.csproj.CoreCompileInputs.cache	Generated build output committed in-tree
tp-net/csharp/obj/Debug/net8.0/TpLib.AssemblyInfoInputs.cache	Generated build output committed in-tree
tp-net/csharp/obj/Debug/net8.0/TpLib.AssemblyInfo.cs	Generated build output committed in-tree
tp-net/csharp/obj/Debug/net8.0/.NETCoreApp,Version=v8.0.AssemblyAttributes.cs	Generated build output committed in-tree
tp-net/csharp/NuGet.config	NuGet feed configuration for the C# projects
tp-net/csharp/NativeMethods.g.cs	csbindgen-generated P/Invoke stubs and FFI structs
tp-net/csharp/Models.cs	Managed DTOs + NetworkInput/GnssInput builders + JSON options
tp-net/csharp/Exceptions.cs	Managed exception hierarchy
tp-net/csharp/Enums.cs	Managed enums mirrored from Rust concepts
tp-net/csharp/bin/Release/net8.0/TpLib.xml	Generated build output committed in-tree
tp-net/csharp/bin/Release/net8.0/TpLib.deps.json	Generated build output committed in-tree
tp-net/csharp/bin/Debug/net8.0/TpLib.xml	Generated build output committed in-tree
tp-net/csharp/bin/Debug/net8.0/TpLib.deps.json	Generated build output committed in-tree
tp-net/Cargo.toml	New Rust crate manifest for .NET bindings
tp-net/build.rs	build-script for csbindgen C# stub generation
tp-lib.sln	Visual Studio solution file including TpLib + tests
tp-core/src/lib.rs	Re-exports for new in-memory parser helpers
tp-core/src/io/geojson/detections.rs	Adds load_str for in-memory detection GeoJSON parsing
tp-core/src/io/geojson.rs	Adds parse_network_geojson_str and parse_gnss_geojson_str
tp-core/src/io/csv/detections.rs	Adds load_str for in-memory detection CSV parsing
tp-core/src/io/csv.rs	Adds parse_gnss_csv_str and shared DF parsing helper
tp-core/src/io.rs	Re-exports new in-memory parsing helpers
specs/005-dotnet-bindings/tasks.md	Feature task breakdown for tp-net
specs/005-dotnet-bindings/spec.md	Feature specification for tp-net
specs/005-dotnet-bindings/research.md	Research/decisions for FFI + packaging approach
specs/005-dotnet-bindings/quickstart.md	End-to-end quickstart documentation for .NET consumers
specs/005-dotnet-bindings/plan.md	Implementation plan for the feature
specs/005-dotnet-bindings/data-model.md	Data model and FFI mapping documentation
specs/005-dotnet-bindings/checklists/requirements.md	Spec quality checklist
README.md	Root README updated with NuGet badge + tp-net mention
docs/OpenRail-onboarding.md	Onboarding doc updated with .NET bindings mention
Cargo.toml	Adds tp-net to the Rust workspace members
.github/workflows/publish-nuget.yml	New workflow to build native libs and publish NuGet package
.github/workflows/ci.yml	Adds .NET test job to CI
.github/agents/copilot-instructions.md	Updates dev guidelines to include tp-net tech stack

Comments suppressed due to low confidence (1)

tp-net/csharp/TpLib.cs:116

• CalculateTrainPath rejects CSV-backed GnssInput, which makes GnssInput.FromCsv unusable for this entry point as well. Consider supporting CSV here too (using tp_lib_core::parse_gnss_csv_str) or removing the CSV constructor to keep the surface coherent.

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[MathiasVDA]

@copilot apply changes based on the comments in this thread

[Copilot]

@copilot apply changes based on the comments in this thread

Applied requested changes from the review thread for CSV GNSS support end-to-end in the .NET bindings/FFI path, with tests updated. Addressed in b54bcdd and refined in 231023c.