Files
wordcraft/crates/docbin
Valentin KleinandClaude Sonnet 5.5 0131d5c3aa .doc import: resolve character formatting per run, not per character (#5478) (#5495)
* docbin: a field's cached result keeps its formatting per run, not per character (#5477)

The result was a Vec<(char, CharProps)>: 365 bytes per character, 1.44 GB
at peak for a 4 MB file with one field. It is now a String plus a run
list that gains an entry only when the formatting changes (25 MB peak
for the same file). Output is unchanged.

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

* docbin: show the objects when the field-result test fails

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

* docbin: resolve character formatting per run, not per character (#5478)

The text loop looked up the piece four or five times and the CHPX once
(a backward scan over up to 101 FKP entries) for every character, and
cloned the memoised 368-byte CharProps each time. Now the walk keeps the
piece span and the CHPX run of the previous character and reuses them
while the next character is inside, and hands the memoised properties
to the paragraph builder by reference: they are cloned when a run
starts and not compared while the resolved formatting is unchanged.
Output is identical, also on corrupt pages (a run's FC range is
bounded by the smallest later start).

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

* docbin: tests for run ranges across bins, empty pieces and a whole read

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

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Co-authored-by: Claude Sonnet 5.5 <noreply@anthropic.com>
2026-11-08 01:51:17 +01:00
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