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feat(stdlib): Tiled P0 — XML reader + base64 decode + gzip framing (#67) 
The three parsing primitives the TMX path needs that were not already in
the tree (zlib inflate + the JSON reader already shipped):

- Xml.* — a minimal, deterministic pure-Ludic XML reader for the
  element/attribute/CDATA subset TMX/TSX/TX use, spliced on demand. Handles
  nested elements, single/double-quoted attributes, text + <![CDATA[…]]>,
  comments, the <?xml?> prolog and <!DOCTYPE>, the five predefined entities
  and numeric character references.
- Base64.* — standard base64 (RFC 4648) decode + a matching pure-Ludic
  encoder; the decoder ignores the whitespace Tiled wraps into <data>.
  Splicing Base64.* also pulls in inflate.ludic so a plain tool can run the
  full base64 -> zlib/gzip decode chain.
- z_gunzip — gzip framing (RFC 1952) over the existing DEFLATE inflater:
  skip the 10-byte header + optional fields, inflate the body, ignore the
  CRC32/ISIZE trailer.

Golden corpus vendored under assets/tiled-fixtures/ (mapeditor/tiled
examples, attributed, + hand-authored multi-encoding fixtures). New
example library/tiled_p0.ludic proves all three (21 assertions); docs
pages + inventory added so check-impl stays green.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-09-01 14:04:49 +03:00
..
desert.tmx feat(stdlib): Tiled P0 — XML reader + base64 decode + gzip framing (#67) 2026-09-01 14:04:49 +03:00
desert.tsx feat(stdlib): Tiled P0 — XML reader + base64 decode + gzip framing (#67) 2026-09-01 14:04:49 +03:00
handmade.tmx feat(stdlib): Tiled P0 — XML reader + base64 decode + gzip framing (#67) 2026-09-01 14:04:49 +03:00
handmade.tsx feat(stdlib): Tiled P0 — XML reader + base64 decode + gzip framing (#67) 2026-09-01 14:04:49 +03:00
hexagonal-mini.tmx feat(stdlib): Tiled P0 — XML reader + base64 decode + gzip framing (#67) 2026-09-01 14:04:49 +03:00
isometric_grass_and_water.tmx feat(stdlib): Tiled P0 — XML reader + base64 decode + gzip framing (#67) 2026-09-01 14:04:49 +03:00
orthogonal-outside.tmx feat(stdlib): Tiled P0 — XML reader + base64 decode + gzip framing (#67) 2026-09-01 14:04:49 +03:00
perspective_walls.tsx feat(stdlib): Tiled P0 — XML reader + base64 decode + gzip framing (#67) 2026-09-01 14:04:49 +03:00
README.md feat(stdlib): Tiled P0 — XML reader + base64 decode + gzip framing (#67) 2026-09-01 14:04:49 +03:00
sewers.tmx feat(stdlib): Tiled P0 — XML reader + base64 decode + gzip framing (#67) 2026-09-01 14:04:49 +03:00

README.md

Tiled golden fixtures

The curated, version-pinned corpus for the Ludic Tiled reader (design record: Design: Tiled maps, issues #67–#74). No single Tiled file covers the format surface, so this is a subset of the official mapeditor/tiled examples/ tree plus a few hand-authored files for the gaps the official examples miss.

Vendored from mapeditor/tiled (examples/)

Fetched from https://raw.githubusercontent.com/mapeditor/tiled/master/examples/. Tiled's example assets carry their own licenses (see the upstream repo's per-folder *.license/README); vendored here with attribution for testing only.

File Exercises
desert.tmx + desert.tsx orthogonal, external .tsx, base64+zlib (P0/P1)
sewers.tmx orthogonal, base64+zlib, embedded tileset, opacity (P0)
orthogonal-outside.tmx object layers, shapes, custom properties (P4)
perspective_walls.tsx per-tile bool properties, <tileoffset> (P4)
isometric_grass_and_water.tmx isometric orientation, Wang set (P5)
hexagonal-mini.tmx hexagonal orientation (P5)

Hand-authored (CC0 / public domain)

File Exercises
handmade.tmx + handmade.tsx a 4×4 orthogonal map whose four layers carry the same GID array in CSV, base64-uncompressed, base64+gzip and base64+zlib — so every encoding path must decode identically. The last tile is GID 1 with the horizontal-flip flag (0x80000001), forcing real GID decode. handmade.tsx also carries a solid bool property and a per-tile <objectgroup> collision shape for P2.