Fixes

[neheb]

No description provided.

[Copilot]

Pull Request Overview

This PR makes various code quality improvements focused on const-correctness, return type optimizations, and stream formatting fixes. The changes improve function signatures to use std::string_view for better performance, add const qualifiers where appropriate, and ensure proper stream state management.

• Modified string utility functions to accept std::string_view instead of const std::string&
• Added const qualifiers to methods and parameters that don't modify data
• Fixed stream formatting state management by saving and restoring flags
• Optimized return types to return references instead of copies where appropriate

Reviewed Changes

Copilot reviewed 23 out of 23 changed files in this pull request and generated 6 comments.

Show a summary per file

File	Description
src/utils.hpp	Changed function signatures to accept std::string_view parameters
src/utils.cpp	Updated implementations to use std::string_view and manual loops instead of std::transform
src/tiffimage.cpp	Added const qualifiers to pointer and reference parameters
src/tiffcomposite_int.cpp	Added const qualifier to pointer variable
src/preview.cpp	Changed return types to return const references
src/pentaxmn_int.cpp	Added stream flags saving/restoring to prevent side effects
src/orfimage.cpp	Added const qualifiers to pointer and reference parameters
src/image_int.hpp	Updated documentation and added noexcept specifier, changed return type to auto
src/image.cpp	Added const qualifier to method
src/datasets.cpp	Changed range-based for loop to use const reference
src/crwimage_int.cpp	Changed explicit type to auto for type deduction
src/cr2image.cpp	Added const qualifiers to pointer and reference parameters
include/exiv2/tiffimage.hpp	Added const qualifiers to reference parameters
include/exiv2/slice.hpp	Updated documentation from @throw nothing to @note Does not throw
include/exiv2/quicktimevideo.hpp	Renamed parameter from size to outer_size for clarity
include/exiv2/preview.hpp	Changed return types to return const references
include/exiv2/orfimage.hpp	Added const qualifiers to reference parameters
include/exiv2/matroskavideo.hpp	Reordered method declaration to match usage order
include/exiv2/jpgimage.hpp	Changed return type to return const reference
include/exiv2/image.hpp	Added const qualifier to method
include/exiv2/cr2image.hpp	Added const qualifiers to reference parameters
include/exiv2/bmpimage.hpp	Added "Always" clarification to exception documentation
app/actions.cpp	Added stream flags saving/restoring and refactored to use ostringstream

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