Refactor StreamReader to modularize decoding logic.
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Actionable comments posted: 3
🧹 Outside diff range and nitpick comments (5)
src/clp_ffi_js/ir/decoding_methods.hpp (1)
6-8: Function declaration is well-structured, but lacks documentation.The namespace and function declaration are appropriate and use modern C++ features. However, consider adding a brief documentation comment explaining the function's purpose and any side effects.
Consider adding a documentation comment like this:
/** * Rewinds the given reader and verifies its encoding type. * @param reader The reader to rewind and verify. * @throws May throw an exception if the encoding type is invalid or if rewinding fails. */ auto rewind_reader_and_verify_encoding_type(clp::ReaderInterface& reader) -> void;src/clp_ffi_js/ir/decoding_methods.cpp (3)
12-13: LGTM: Function signature and initial positioning are correct.The function signature is appropriate, taking a reference to
clp::ReaderInterfaceand returning void. Rewinding the reader to the beginning ensures consistent behaviour.Consider adding a brief comment explaining why the reader is being rewound, for improved code clarity:
auto rewind_reader_and_verify_encoding_type(clp::ReaderInterface& reader) -> void { + // Ensure we're reading from the start of the stream reader.seek_from_begin(0);
15-26: LGTM: Encoding type verification is implemented correctly.The function properly verifies the encoding type and handles errors by throwing appropriate exceptions. The use of
SPDLOG_CRITICALfor logging critical errors is a good practice.Consider using a constant for the success code to improve readability:
+ constexpr auto SUCCESS = clp::ffi::ir_stream::IRErrorCode::IRErrorCode_Success; if (auto const err{clp::ffi::ir_stream::get_encoding_type(reader, is_four_bytes_encoding)}; - clp::ffi::ir_stream::IRErrorCode::IRErrorCode_Success != err) + SUCCESS != err) { SPDLOG_CRITICAL("Failed to decode encoding type, err={}", err); throw ClpFfiJsException{
27-36: LGTM: Unsupported encoding handling is implemented correctly.The function appropriately throws an exception with a clear and informative message when an unsupported encoding is detected.
For consistency with modern C++ practices, consider using a comparison against
falseinstead of==:- if (false == is_four_bytes_encoding) { + if (!is_four_bytes_encoding) { throw ClpFfiJsException{ clp::ErrorCode::ErrorCode_Unsupported, __FILENAME__, __LINE__, "IR stream uses unsupported encoding." }; } } } // namespace clp_ffi_js::irsrc/clp_ffi_js/ir/StreamReader.hpp (1)
110-113: Add documentation for the new static methodThe method
create_deserializer_and_data_contextlacks a documentation comment. Adding a brief description of its purpose, parameters, and return value would enhance code clarity and assist other developers in understanding its functionality.Consider adding documentation like this:
/** * Creates the deserializer and data context for the StreamReader. * * @param zstd_decompressor A unique pointer to a Zstandard decompressor. * @param data_buffer The data buffer containing compressed data. * @return A StreamReaderDataContext instance initialized with the given decompressor and data buffer. * @throw ClpFfiJsException if an error occurs during initialization. */ [[nodiscard]] static auto create_deserializer_and_data_context( std::unique_ptr<clp::streaming_compression::zstd::Decompressor>&& zstd_decompressor, clp::Array<char>&& data_buffer ) -> StreamReaderDataContext<four_byte_encoded_variable_t>;
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📒 Files selected for processing (5)
- CMakeLists.txt (1 hunks)
- src/clp_ffi_js/ir/StreamReader.cpp (3 hunks)
- src/clp_ffi_js/ir/StreamReader.hpp (4 hunks)
- src/clp_ffi_js/ir/decoding_methods.cpp (1 hunks)
- src/clp_ffi_js/ir/decoding_methods.hpp (1 hunks)
🧰 Additional context used
🔇 Additional comments (9)
src/clp_ffi_js/ir/decoding_methods.hpp (3)
1-2: Include guards are correctly implemented.The include guards follow best practices and use a unique identifier based on the file path. This prevents multiple inclusions and potential compilation issues.
Also applies to: 10-10
4-4: Include statement is appropriate.The inclusion of
<clp/ReaderInterface.hpp>is necessary for the function declaration and correctly uses angle brackets for a library header.
1-10: Well-structured header file that aligns with modularization objectives.This new header file successfully modularizes the decoding logic by introducing a separate function for rewinding and verifying encoding types. The file structure is clean, follows modern C++ practices, and improves overall code organization. This change aligns well with the PR's objective of enhancing maintainability.
src/clp_ffi_js/ir/decoding_methods.cpp (1)
1-11: LGTM: Includes and namespace declaration are appropriate.The necessary headers are included, and the function is correctly placed in the
clp_ffi_js::irnamespace, which is consistent with the file's location and purpose.CMakeLists.txt (1)
115-118: LGTM! Verify the new file exists.The changes align well with the PR objectives of modularizing the decoding logic. The inclusion of
decoding_methods.cppin the build is consistent with the refactoring described in the PR summary.Let's verify the existence of the new file:
✅ Verification successful
Verified: New File Exists
The
decoding_methods.cppfile has been confirmed to exist in thesrc/clp_ffi_js/ir/directory, aligning with the PR objectives.🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Verify the existence of the new decoding_methods.cpp file fd -t f "decoding_methods.cpp" src/clp_ffi_js/ir/Length of output: 88
src/clp_ffi_js/ir/StreamReader.hpp (1)
116-117: Ensure member variables are properly initializedThe member variables
m_encoded_log_eventsandm_stream_reader_data_contextshould be initialized to ensure they are in a defined state before use. Although they may be initialized in the constructor, explicitly initializing them can prevent potential issues.Please confirm that these member variables are appropriately initialized in all constructors.
src/clp_ffi_js/ir/StreamReader.cpp (3)
29-29: Include 'decoding_methods.hpp' is appropriateIncluding
<clp_ffi_js/ir/decoding_methods.hpp>is necessary for accessing the decoding methods after refactoring. This improves code organization by separating decoding logic into its own module.
51-54: Ensure 'data_buffer' and 'zstd_decompressor' are not used after movingAfter moving
zstd_decompressoranddata_bufferintocreate_deserializer_and_data_context, they should not be accessed in the remaining scope ofStreamReader::create. Please verify that they are not used afterward to prevent undefined behaviour.
212-238: Refactored method 'create_deserializer_and_data_context' enhances modularityThe extraction of
create_deserializer_and_data_contextimproves the modularity and readability of theStreamReaderclass by encapsulating the deserialization logic. This aligns with best practices for code organization.
…_validate_encoding_type` and update docs.
Co-authored-by: kirkrodrigues <[email protected]>
kirkrodrigues
changed the title
StreamReader to modularize decoding logic.
Co-authored-by: kirkrodrigues <[email protected]>
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Actionable comments posted: 0
🧹 Outside diff range and nitpick comments (3)
src/clp_ffi_js/ir/decoding_methods.hpp (1)
7-13: Consider enhancing the function documentation.The documentation could be more comprehensive by:
- Adding a description for the @param tag
- Including a @return tag to explicitly document the void return type
Here's the suggested improvement:
/** * Rewinds the reader to the beginning and validates the CLP IR data encoding type. - * @param reader + * @param reader The reader interface to validate and rewind + * @return void * @throws ClpFfiJsException if the encoding type couldn't be decoded or the encoding type is * unsupported. */src/clp_ffi_js/ir/StreamReader.cpp (2)
213-214: Consider adding const for data_buffer parameter.Since
data_bufferis moved into the return value at the end of the method, it could be taken asconst clp::Array<char>&&to better express intent and prevent accidental modifications.auto StreamReader::create_data_context( std::unique_ptr<clp::streaming_compression::zstd::Decompressor>&& zstd_decompressor, - clp::Array<char> data_buffer + const clp::Array<char>&& data_buffer ) -> StreamReaderDataContext<four_byte_encoded_variable_t> {
228-234: Consider using more specific error codes.The current implementation uses a generic
ErrorCode_Failure. Consider using more specific error codes likeErrorCode_DeserializerCreationFailedto provide better error context.throw ClpFfiJsException{ - clp::ErrorCode::ErrorCode_Failure, + clp::ErrorCode::ErrorCode_DeserializerCreationFailed, __FILENAME__, __LINE__, "Failed to create deserializer" };
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Review profile: CHILL
📒 Files selected for processing (4)
src/clp_ffi_js/ir/StreamReader.cpp(3 hunks)src/clp_ffi_js/ir/StreamReader.hpp(4 hunks)src/clp_ffi_js/ir/decoding_methods.cpp(1 hunks)src/clp_ffi_js/ir/decoding_methods.hpp(1 hunks)
🚧 Files skipped from review as they are similar to previous changes (2)
- src/clp_ffi_js/ir/StreamReader.hpp
- src/clp_ffi_js/ir/decoding_methods.cpp
🔇 Additional comments (4)
src/clp_ffi_js/ir/decoding_methods.hpp (2)
1-5: LGTM! Include guards and dependencies are properly structured.
The include guards follow the correct naming convention, and only the necessary header is included.
14-16: LGTM! Proper closure of namespace and include guard.
The namespace closing comment and include guard termination are well-formatted.
src/clp_ffi_js/ir/StreamReader.cpp (2)
29-29: LGTM: Header inclusion aligns with modularization.
The addition of decoding_methods.hpp properly supports the modularization of decoding logic.
51-53: LGTM: Improved code organization.
The refactoring enhances readability by moving the complex data context creation logic to a dedicated method.
Description
StreamReader.cppto a separate filedecoding_methods.cpp.create_deserializer_and_data_contextas a private method inStreamReader.Validation performed
taskand ran below sample code:Summary by CodeRabbit
Summary by CodeRabbit
New Features
StreamReaderclass.Improvements
StreamReaderclass.Documentation