Refactor string handling in lattice.go and mecab.go

[shogo82148]

Summary by CodeRabbit

• Refactor
  • Improved string handling in text processing components for better performance and stability.

[coderabbitai]

Walkthrough

The modifications in the code have enhanced the handling of strings for memory management. By incorporating C.CString(s) to convert Go strings to C strings, and C.free to release the allocated memory, the changes have eliminated direct manipulation of strings. This has streamlined the functions, improving safety and compatibility with C libraries. The removal of an empty string check further simplifies the flow.

Changes

Files	Summary of Changes
lattice.go	Removed empty string check (if s == ""). Now uses C.CString(s) for input handling.
mecab.go	Input string handling updated to use C.CString(s) and C.free.

Poem

🐇✨
In the code where strings did dance,
A rabbit hopped to enhance,
No more direct manipulation,
Just C.CString celebration!
🎉🖥️

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Review Status

Actionable comments generated: 0

Configuration used: CodeRabbit UI

Commits

Files that changed from the base of the PR and between 641edc6 and 3d40bc8.

Files selected for processing (2)

• lattice.go (1 hunks)
• mecab.go (2 hunks)

Additional comments: 3

lattice.go (1)

• 123-124: The use of C.CString(s) and defer C.free(unsafe.Pointer(input)) for handling string conversion and memory deallocation is appropriate and follows best practices for CGo string handling.

mecab.go (2)

• 99-100: The introduction of C.CString(s) and defer C.free(unsafe.Pointer(input)) in the Parse function is a good practice for managing memory when interfacing with C code from Go.
• 137-138: The changes in the ParseToNode function correctly manage the conversion of Go strings to C strings and ensure proper memory deallocation with defer C.free(unsafe.Pointer(input)).