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Overview

  • Repo: OdbDesign (C++17). Core library parses ODB++ archives into domain models/Protobuf, server exposes REST (Crow) and new gRPC endpoints. DesignCache provides cached FileArchive/Design access backed by test data under test_data/FILES.

Architecture

  • Library: OdbDesignLib contains FileModel (parsing, FeatureRecord, SymbolName, FeaturesFile), ProductModel, protobuf bindings under protoc/.
  • Server: OdbDesignServer (Crow REST + gRPC). gRPC service implemented in OdbDesignServer/Services/OdbDesignServiceImpl.{h,cpp} with endpoints GetDesign, GetLayerFeaturesStream, GetLayerSymbols, HealthCheck.
  • Tests: OdbDesignTests built with gtest; fixtures in OdbDesignTests/Fixtures provide DesignCache backed by sample design archives. CMake target OdbDesignTests.

User Defined Namespaces

  • (none yet)

Components

  • OdbDesignServer/Services/OdbDesignServiceImpl: gRPC service using DesignCache to serve designs, stream layer features, and assemble ordered symbol lists with unit normalization and strict contract checks.
  • OdbDesignLib/FileModel/Design/SymbolName: Parses symbol records ($index name unit), exposes name/index/unit and protobuf conversions.

Patterns / Notes

  • Symbol ordering in GetLayerSymbols: normalize units → validate symbol unit compatibility → compute max referenced sym nums (sym_num/apt_def_symbol_num) with contract check → order symbols (explicit indices first, keep first on duplicates; fill gaps with index-less symbols) → pad with placeholders to cover referenced IDs.
  • Symbol parsing errors: malformed index tokens now raise parse_error instead of silently defaulting.