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Save documents and presentations atomically, keeping links and modes #178

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0df3ee6
Save OPC packages atomically and keep symbolic links and modes
hadim Sep 27, 2026
af627eb
Route the rdocx path savers through the shared atomic writer
hadim Sep 27, 2026
340ae2a
Save presentations atomically through the shared writer
hadim Sep 27, 2026
4e582fc
Re-record the archive measurements of oxml-opc, rdocx and rpptx
hadim Sep 27, 2026
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2 changes: 1 addition & 1 deletion README.md
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Expand Up @@ -39,7 +39,7 @@ rows are the enforced release-mode bounds plus one dated observation.

| Measurement | Value | Version | Platform | Build mode | Input | Command | Statistic | Measured on |
|---|---|---|---|---|---|---|---|---|
| Crates.io archive: rdocx | 1,092,256 compressed bytes, 6,498,484 member bytes, 36 members | 0.14.0 | macOS 26.6.2, Apple M5 Max, arm64 | `cargo package --locked --no-verify` | Tracked `rdocx` package inventory | `python3 scripts/readme_doctests.py --record-measurements` | gzip archive bytes, tar member bytes, tar member count | 2026-09-26 |
| Crates.io archive: rdocx | 1,092,383 compressed bytes, 6,499,347 member bytes, 36 members | 0.14.0 | macOS 26.6.2, Apple M5 Max, arm64 | `cargo package --locked --no-verify` | Tracked `rdocx` package inventory | `python3 scripts/readme_doctests.py --record-measurements` | gzip archive bytes, tar member bytes, tar member count | 2026-09-26 |
| Large-document layout throughput | minimum 250 pages/s, observed 31,019.1 pages/s | rdocx 0.14.0 | macOS 26.6.2, Apple M5 Max, arm64 | release, one test thread | 1,000 one-page paragraphs with deterministic fonts | `cargo test -p rdocx --test regression_test --release a_thousand_page_document_paginates_and_renders_within_the_declared_limits -- --ignored --exact --nocapture --test-threads=1` | pages per wall-clock second | 2026-09-19 |
| Large-document layout peak allocation | maximum 64 MiB, observed 29.03 MiB | rdocx 0.14.0 | macOS 26.6.2, Apple M5 Max, arm64 | release, one test thread | 1,000 one-page paragraphs with deterministic fonts | `cargo test -p rdocx --test regression_test --release a_thousand_page_document_paginates_and_renders_within_the_declared_limits -- --ignored --exact --nocapture --test-threads=1` | peak live allocation | 2026-09-19 |
| Large-document PDF throughput | minimum 1,000 pages/s, observed 60,058.0 pages/s | rdocx 0.14.0 | macOS 26.6.2, Apple M5 Max, arm64 | release, one test thread | 1,000 deterministic layout pages | `cargo test -p rdocx --test regression_test --release a_thousand_page_document_paginates_and_renders_within_the_declared_limits -- --ignored --exact --nocapture --test-threads=1` | pages per wall-clock second | 2026-09-19 |
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2 changes: 1 addition & 1 deletion crates/oxml-opc/README.md
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Expand Up @@ -18,7 +18,7 @@ The archive row is regenerated from the package that carries this README.

| Measurement | Value | Version | Platform | Build mode | Input | Command | Statistic | Measured on |
|---|---|---|---|---|---|---|---|---|
| Crates.io archive: oxml-opc | 92,122 compressed bytes, 355,510 member bytes, 12 members | 0.12.1 | macOS 26.6.2, Apple M5 Max, arm64 | `cargo package --locked --no-verify` | Tracked `oxml-opc` package inventory | `python3 scripts/readme_doctests.py --record-measurements` | gzip archive bytes, tar member bytes, tar member count | 2026-09-19 |
| Crates.io archive: oxml-opc | 96,724 compressed bytes, 373,059 member bytes, 12 members | 0.12.1 | macOS 26.6.2, Apple M5 Max, arm64 | `cargo package --locked --no-verify` | Tracked `oxml-opc` package inventory | `python3 scripts/readme_doctests.py --record-measurements` | gzip archive bytes, tar member bytes, tar member count | 2026-09-19 |

## Use it when

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2 changes: 1 addition & 1 deletion crates/oxml-opc/src/lib.rs
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Expand Up @@ -17,7 +17,7 @@ mod signature;

pub use content_types::{ContentType, ContentTypes};
pub use error::OpcError;
pub use package::{OpcPackage, PackagePart, PackageReadLimits};
pub use package::{OpcPackage, PackagePart, PackageReadLimits, write_atomic_file};
pub use relationship::{Relationship, Relationships};
#[cfg(feature = "digital-signatures")]
pub use signature::{
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