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clawhdf5/crates/clawhdf5-format/src/lib.rs
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osobh f2e704abf3 Merge branch 'fix/p1-vds' into fix/p1-read-gaps
# Conflicts:
#	CHANGELOG.md
#	crates/clawhdf5-format/src/data_read.rs
2026-09-25 22:42:04 -05:00

109 lines
3.0 KiB
Rust

//! Pure-Rust HDF5 binary format parsing and writing.
//!
//! `clawhdf5-format` is a zero-dependency (no C libhdf5) crate for reading and
//! writing HDF5 files. It supports `no_std` environments with the `alloc` crate.
//!
//! # Writing files
//!
//! Use [`file_writer::FileWriter`] to create HDF5 files:
//!
//! ```rust
//! use clawhdf5_format::file_writer::{FileWriter, AttrValue};
//!
//! let mut fw = FileWriter::new();
//! fw.create_dataset("data")
//! .with_f64_data(&[1.0, 2.0, 3.0])
//! .with_shape(&[3])
//! .set_attr("unit", AttrValue::String("m/s".into()));
//! let bytes = fw.finish().unwrap();
//! ```
//!
//! # Reading files
//!
//! Parsing follows the HDF5 object model: superblock → object header → messages.
//!
//! ```rust,no_run
//! use clawhdf5_format::{signature, superblock, object_header, group_v2,
//! datatype, dataspace, data_layout, data_read, message_type::MessageType};
//!
//! let bytes = std::fs::read("output.h5").unwrap();
//! // Addresses are relative to the superblock: skip any user block.
//! let (_user_block, file_data) = signature::split_user_block(&bytes).unwrap();
//! let sb = superblock::Superblock::parse(file_data, 0).unwrap();
//! let addr = group_v2::resolve_path_any(file_data, &sb, "data").unwrap();
//! let hdr = object_header::ObjectHeader::parse(
//! file_data, addr as usize, sb.offset_size, sb.length_size).unwrap();
//! ```
//!
//! # Features
//!
//! | Feature | Default | Description |
//! |---------|---------|-------------|
//! | `std` | yes | Standard library support |
//! | `checksum` | yes | Jenkins lookup3 checksum validation |
//! | `deflate` | yes | Deflate (gzip) compression via `flate2` |
//! | `provenance` | yes | SHINES provenance — SHA-256 hashing & verification |
#![cfg_attr(not(feature = "std"), no_std)]
#[cfg(not(feature = "std"))]
extern crate alloc;
pub mod attribute;
pub mod attribute_info;
pub mod btree_v1;
pub mod btree_v2;
pub mod checksum;
pub mod chunk_cache;
mod chunk_grid;
pub mod chunk_index;
pub mod chunked_read;
pub mod chunked_write;
pub mod data_layout;
pub mod data_layout_write;
pub mod data_read;
pub mod dataspace;
pub mod datatype;
pub mod dict_encoding;
pub mod ea_writer;
pub mod error;
pub mod extensible_array;
pub mod file_writer;
pub mod fill_value;
pub mod filter_pipeline;
pub mod filters;
mod filters_szip;
pub mod fixed_array;
pub mod float16;
pub mod fractal_heap;
pub mod global_heap;
pub mod group_info;
pub mod group_v1;
pub mod group_v2;
#[cfg(feature = "parallel")]
pub mod lane_partition;
pub mod link_info;
pub mod link_message;
pub mod local_heap;
pub mod message_type;
pub mod metadata_cache;
pub mod metadata_index;
pub mod object_header;
pub mod object_header_writer;
#[cfg(feature = "parallel")]
pub mod parallel_read;
pub mod partial_read;
pub mod profiling;
pub mod property_list;
pub mod selection;
pub mod shared_message;
pub mod signature;
pub mod superblock;
pub mod symbol_table;
pub mod type_builders;
pub mod vds;
pub mod vl_data;
#[cfg(feature = "provenance")]
pub mod provenance;