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Dylan M. Taylor
f806e149bb
* Add craft-kiwi: the kiwi binary schema format, decoded and encoded The generic kiwi decoder and encoder from FigCraft's .fig import and export (crates/format/src/fig/kiwi.rs at 3b9bf8c9), moved as it is: binary schema decode and encode, the compact text form of a schema, message decode into a tree keyed by field name, and message encode checked against the schema. The value budget that follows a .fig file's compressed size stays with the .fig reader; here decode_message_within takes the budget and DEFAULT_MAX_VALUES is the floor FigCraft used. * craft-kiwi: no scan per field in schema decode; the text form keeps the limits Schema::decode compared each message field id with every earlier one: 20 definitions of 10 000 fields, within every cap, took a billion comparisons. A set per definition now. Schema::parse applies the definition and field caps of the binary form, looks type names up in an index instead of scanning the lines per field, accepts a struct or message without fields, and refuses two fields of one name and a message field id that is 0 (it ends a message) or repeated.