Justin Mitchell 9d147cade9 Deduplicate identical CSS files in EPUB parsing & probe images for dimensions instead of reading the full file ...

Some EPUB converters emit byte-identical stylesheets per chapter (100+ entries). Now scan the ZIP central directory once to identify duplicates by CRC32 and compressed size, then skip parsing identical files. This avoids redundant ZIP lookups and SD extraction round-trips while preserving all styles since rules merge into a global set. Also add extractItemToFile helper and allowEarlyStop parameter to readItemContentsToStream.

2026-07-20 17:16:54 -04:00

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ZipFile.cpp

Deduplicate identical CSS files in EPUB parsing & probe images for dimensions instead of reading the full file

2026-07-20 17:16:54 -04:00

ZipFile.h

Deduplicate identical CSS files in EPUB parsing & probe images for dimensions instead of reading the full file

2026-07-20 17:16:54 -04:00