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2026-08-17refactor(preg): drop unused args of preg_match_all_offset_capture2()nsfisis
The sole caller, Preg::match_all_with_offsets5(), always passed flags=0 and offset=0, so PREG_UNMATCHED_AS_NULL is now unconditional and the subject is scanned from the beginning. That method is only reached from Preg::match_all_with_offsets(), so it is no longer public either. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-17refactor(preg): drop unused flags and offset of preg_match_all2()nsfisis
Every caller reached preg_match_all2() through Preg::match_all5(), which always passed flags = PREG_UNMATCHED_AS_NULL and offset = 0. Inline those constants and make match_all5() private, since the two public wrappers are its only callers. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-16refactor(preg): make preg_grep() return an iteratornsfisis
Callers had to build a temporary Vec<&str> at every call site to satisfy the &[&str] parameter. Taking IntoIterator and yielding the matched items lets them pass owned or borrowed strings directly. The flags variant and PREG_GREP_INVERT go away with it: no caller passes flags, and Composer's Preg::grep() has no such parameter either.
2026-08-16refactor(preg): import preg_*() instead of qualifying themnsfisis
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-16refactor(preg): merge preg_replace_callback2 into preg_replace_callbacknsfisis
preg_replace_callback2 had one caller, Preg::replace_callback6, which was itself reached only from Preg::replace_callback with the default limit, count and flags. Fold the two shim functions into one and drop those parameters along with replace_callback6. The surviving callback takes callback2's IndexMap of matches: it can be keyed by group name, and it omits trailing non-participating groups the way PHP does, which is what the callbacks in Process and ProgressBar test for.
2026-08-09build(cargo): fill in the package metadatansfisis
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-09docs(license): carry each ported package's license in its cratensfisis
The MIT packages Composer and Shirabe are ported from require their copyright notices to be kept, and the Composer notice was only reachable through the submodule. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-09refactor(pcre): extract composer/pcre into the shirabe-pcre cratensfisis
Move `Composer\Pcre` out of shirabe-external-packages and into its own crate, so the path is `shirabe_pcre::preg::Preg` instead of `shirabe_external_packages::composer::pcre::preg::Preg`. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>