# Performance `rtfstruct` uses streaming tokenization, list-backed text buffering, capped diagnostics, and parser safety limits to avoid common malformed-input blowups. ## Guardrails - `ParserOptions.max_group_depth` caps nested RTF groups. - `ParserOptions.max_document_chars` caps emitted document text. - `ParserOptions.max_diagnostics` caps retained diagnostics. - Image payloads are captured only through explicit parser state and can be omitted from JSON output. ## Benchmark A dependency-free generated corpus benchmark is available: ```bash python benchmarks/parse_generated.py --paragraphs 10000 ``` The benchmark is intentionally simple. It is meant for local regression checks before adopting heavier benchmark tooling.