OpenSystemsDevelopment / qpdf

…iter`, and simplify resource management.

…directives across modules to improve clarity and enforce better assertion practices.

…g encryption and update related tests.

…mbers`, update related logic, and clean up obsolete code.

…:Members`, update related logic, and remove obsolete declarations.

…StreamLength`, `computeDeterministicIDData`, and `calculateXrefStreamPadding` to `QPDFWriter::Members`. Update related logic and remove obsolete declarations.

…rs`, update encryption and stream handling logic, and remove obsolete test coverage entries.

…related logic, and remove obsolete test coverage entries.

…ueueObjectsStandard`, `enqueueObjectsPCLm`, `enqueuePart`, `assignCompressedObjectNumbers`, and `getTrimmedTrailer` to `QPDFWriter::Members`. Update related logic and remove obsolete test coverage entries.

…alStreams`, `preserveObjectStreams`, and `generateObjectStreams` to `QPDFWriter::Members`. Update related logic and remove obsolete test coverage entries.

…mbers` and update encryption parameter handling logic.

…bleIncompatibleEncryption` and `compareVersions` to `QPDFWriter::Members`. Remove outdated test coverage entries.

…d update initialization logic accordingly.

…n `QPDFWriter` and `QPDFJob`.

…logic in call to `initializeSpecialStreams`.

…ize`, and centralize `empty` checks.

…`warn`, streamline condition handling.

…or deterministic ID generation (fixes #1235).

…evel` and add `const&` to `child` parameter.

Replaced raw key pointer and length parameters with a `std::string` in `Pl_AES_PDF` and `Pl_RC4` constructors for improved safety and clarity. Updated all usage sites accordingly, reducing reliance on manual memory management and redundant conversions.

…proved clarity and reduced indirection in pipeline management.

…proved clarity and reduced indirection in pipeline management.

…n and improve separation of concerns.

…pping, remove redundant `PipelinePopper` usage, and improve encapsulation of MD5 handling.

# Conflicts:
#	libqpdf/QPDFWriter.cc

…implifying ID management and ensuring consistent initialization.

…y management and eliminate redundant `dynamic_cast` logic.

…, improving encapsulation and memory management. Remove the now redundant `pushMD5Pipeline` method and streamline MD5 activation.

…line `linearization pass1` logic  when writing pass1 file

…te encryption handling

…mplified pipeline stack management in `QPDFWriter`.

…ify pipeline stack management

Encapsulated pipeline stack management into a dedicated `Pl_stack` class within `QPDFWriter::Members`. Reorganized related methods to streamline and simplify initialization and activation of pipelines, removing redundant code.

…dundant normalization and string unparse logic across multiple write calls.

…ndling, leverage `std::string_view`, and streamline QDF indent logic.

… overloads, streamline QDF handling, and simplify string and trailer writes.

…ased logic in `setEncryptionMinimumVersion`, and reduce redundancy across `QPDFWriter` methods.

…ption dictionary generation, and reduce redundancy in encryption handling logic.