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bherbruck
aeade86449
- crates/step-import: ISO 10303-21 reader and AP203/AP214 B-rep mapper to a neutral plain-data model (mm, resolved placements), written from the public Part 21 syntax and Part 41/42 entity definitions; bounded entity count, list nesting and reference depth; every reference checked; no allocation from file counts. Flat f64 encoding (+ validating decoder) for the C++ side. - harness/cpp/shim/step_import.cpp + solidcore-ffi binding: builds the SMLib B-rep from the same encoded body (CreateCanonical geometry, CreateFacesWithCurves, SmApiStitchIntoSolid, mass properties, SmApiHealBrep). - difftest --step-corpus: the same recipe on the Rust port, each (body, kernel) in a child process, stage-by-stage comparison at 1e-9 relative. - scripts/fetch-steptools-corpus.sh: STEP Tools sample files into the gitignored corpus/steptools/, SHA-256 pinned (never committed). Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01QaDuBSC1mqS9DnQoEsr7LJ
65 lines
2.4 KiB
Bash
Executable File
65 lines
2.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Fetch the STEP Tools sample STEP files (AP203 and AP214 sets,
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# https://steptools.com/docs/stpfiles/) into corpus/steptools/ (gitignored).
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#
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# The files are "All Rights Reserved" by STEP Tools, Inc.; the site permits only
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# informational, non-commercial copying. NEVER commit them, and never copy them into
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# fixtures/. This script only downloads them for local corpus runs.
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#
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# Every file is pinned by SHA-256 in scripts/steptools-corpus.sha256; a download whose
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# hash differs fails the script (nothing is kept). Idempotent: files already present
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# with the pinned hash are not downloaded again; a present file with another hash is an
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# error (remove it and re-run).
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#
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# The corpus is data only: difftest --step-corpus parses it as untrusted input and never
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# executes anything from it.
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#
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# Usage: scripts/fetch-steptools-corpus.sh [dest] (default <repo>/corpus/steptools)
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# Used by: cargo run --profile difftest -p difftest --features cpp -- --step-corpus
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set -euo pipefail
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BASE="https://steptools.com/docs/stpfiles"
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HERE="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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ROOT="$(cd "$HERE/.." && pwd)"
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MANIFEST="$HERE/steptools-corpus.sha256"
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DEST="${1:-$ROOT/corpus/steptools}"
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command -v sha256sum >/dev/null || { echo "fetch-steptools-corpus: sha256sum not found" >&2; exit 1; }
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command -v curl >/dev/null || { echo "fetch-steptools-corpus: curl not found" >&2; exit 1; }
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hash_of() { sha256sum "$1" | cut -d' ' -f1; }
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mkdir -p "$DEST"
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fetched=0
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present=0
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while read -r sha path; do
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case "$sha" in ''|'#'*) continue ;; esac
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# Paths are fixed in the manifest; refuse anything that could leave DEST.
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case "$path" in
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*/../*|../*|/*|*/..) echo "fetch-steptools-corpus: bad path '$path'" >&2; exit 1 ;;
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esac
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out="$DEST/$path"
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if [ -e "$out" ]; then
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if [ "$(hash_of "$out")" = "$sha" ]; then
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present=$((present + 1))
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continue
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fi
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echo "fetch-steptools-corpus: $out exists with another hash; remove it and re-run" >&2
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exit 1
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fi
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mkdir -p "$(dirname "$out")"
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tmp="$out.part"
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rm -f "$tmp"
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curl --fail --silent --show-error --location --max-time 300 -o "$tmp" "$BASE/$path"
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got="$(hash_of "$tmp")"
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if [ "$got" != "$sha" ]; then
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rm -f "$tmp"
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echo "fetch-steptools-corpus: $path: sha256 $got, pinned $sha" >&2
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exit 1
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fi
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mv "$tmp" "$out"
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fetched=$((fetched + 1))
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done < "$MANIFEST"
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echo "steptools corpus in $DEST: $fetched fetched, $present already present"
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