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@LinZhihao-723 LinZhihao-723 commented Jan 26, 2025

Description

We've added type checking in #691 to ensure only JSON objects can be serialized as user-defined metadata.
As discussed in clp-ffi-py implementation here, we realized we should also add type checking in the deserialization end to raise invalid typed user-defined metadata.
This PR adds the check to return an error if the user-defined metadata is not a JSON object.

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Summary by CodeRabbit

  • Bug Fixes

    • Enhanced error handling for metadata deserialization.
    • Added validation to ensure user-defined metadata is a JSON object.
  • Documentation

    • Clarified error conditions for metadata processing in method documentation.

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coderabbitai bot commented Jan 26, 2025

Walkthrough

The pull request focuses on enhancing error handling in the Deserializer.hpp file, specifically within the create method of the Deserializer class. The changes involve updating the method's documentation to provide more precise information about potential error conditions and implementing a new validation check for user-defined metadata. The modification ensures that the metadata is a JSON object before proceeding with deserialization, improving the robustness of the error handling mechanism.

Changes

File Change Summary
components/core/src/clp/ffi/ir_stream/Deserializer.hpp - Updated method documentation for create method
- Added validation to check if user-defined metadata is a JSON object
- Enhanced error handling for metadata format verification

Possibly related PRs

Suggested reviewers

  • kirkrodrigues

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Actionable comments posted: 0

🧹 Nitpick comments (1)
components/core/src/clp/ffi/ir_stream/Deserializer.hpp (1)

173-178: Consider improving readability of the validation check.

While the implementation correctly validates the user-defined metadata, the condition could be more readable.

Consider this more concise version:

-    if (metadata_json.contains(cProtocol::Metadata::UserDefinedMetadataKey)
-        && false == metadata_json.at(cProtocol::Metadata::UserDefinedMetadataKey).is_object())
-    {
-        return std::errc::protocol_not_supported;
-    }
+    if (auto it = metadata_json.find(cProtocol::Metadata::UserDefinedMetadataKey);
+        it != metadata_json.end() && !it->is_object())
+    {
+        return std::errc::protocol_not_supported;
+    }

This version:

  1. Uses a single find() instead of contains() + at()
  2. Maintains the same validation logic
  3. Improves readability while keeping the same functionality
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components/core/src/clp/ffi/ir_stream/Deserializer.hpp (1)

Pattern **/*.{cpp,hpp,java,js,jsx,ts,tsx}: - Prefer false == <expression> rather than !<expression>.

📓 Learnings (1)
components/core/src/clp/ffi/ir_stream/Deserializer.hpp (1)
Learnt from: LinZhihao-723
PR: y-scope/clp#549
File: components/core/src/clp/ffi/ir_stream/Deserializer.hpp:209-210
Timestamp: 2024-11-10T16:46:53.300Z
Learning: Until #486 is merged with customized error code support, introducing a layer from `IRErrorCode` to `std::errc` is unnecessary.
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🔇 Additional comments (1)
components/core/src/clp/ffi/ir_stream/Deserializer.hpp (1)

47-50: LGTM! Documentation clearly specifies the new error condition.

The updated documentation accurately reflects the new validation for user-defined metadata format.

@kirkrodrigues
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For the PR title, how about:

feat(ffi): Validate the type of user-defined metadata when deserializing the new IR format.

Co-authored-by: kirkrodrigues <2454684+kirkrodrigues@users.noreply.github.com>
@LinZhihao-723 LinZhihao-723 changed the title feat(ffi): Add type checking for the user-defined metadata in deserialization for the new IR format. feat(ffi): Validate the type of user-defined metadata when deserializing the new IR format. Jan 26, 2025
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