Crate copybook_codec 

Encoding and decoding codecs for COBOL data types.

This crate provides the encoding/decoding logic for COBOL record layouts, including character set conversion, numeric codecs, and record framing.

Re-exports

pub use iterator::RecordIterator;

pub use iterator::iter_records;

pub use iterator::iter_records_from_file;

pub use lib_api::RunSummary;

pub use lib_api::decode_file_to_jsonl;

pub use lib_api::decode_record;

pub use lib_api::decode_record_with_scratch;

pub use lib_api::encode_jsonl_to_file;

pub use lib_api::encode_record;

pub use numeric::SmallDecimal;

pub use numeric::ZonedEncodingInfo;

pub use determinism::check_decode_determinism;

pub use determinism::check_encode_determinism;

pub use determinism::check_round_trip_determinism;

pub use copybook_codec_memory as memory;

Modules

charset

Character set conversion between EBCDIC codepages and UTF-8. Character set conversion utilities

determinism

Determinism validation for decode, encode, and round-trip operations. Determinism validation for COBOL copybook encoding and decoding operations.

edited_pic

Edited PIC (numeric editing) decode and encode support. Edited PIC (Phase E2 + E3) decode and encode support

iterator

Streaming record iterator for file-level decoding. Record iterator for streaming access to decoded records

lib_api

Core library API: record decode/encode and file-level processing. Core decode / encode API for COBOL binary data.

numeric

Numeric field decoding and encoding (zoned decimal, packed decimal, binary).

options

Configuration types: codepage, record format, JSON modes, raw capture. Backward-compatible options facade.

record

Record-level binary decode/encode logic. Record framing facade.

zoned_overpunch

Zoned decimal overpunch character handling. Zoned decimal overpunch API.

Structs

ByteDiff

Details about a byte difference found during determinism checking.

DecodeOptions

Options for decoding operations

DeterminismResult

Result of a determinism check operation.

EncodeOptions

Options for encoding operations

Enums

Codepage

Character encoding specification

DeterminismMode

Mode of determinism checking (decode-only, encode-only, or full round-trip).

FloatFormat

Floating-point binary format for COMP-1/COMP-2 fields.

JsonNumberMode

JSON number representation mode

RawMode

Raw data capture mode

RecordFormat

Record format specification

UnmappablePolicy

Policy for handling unmappable characters during decode

ZonedEncodingFormat

Zoned decimal encoding format specification for round-trip fidelity.

Constants

JSON_SCHEMA_VERSION

Stable JSONL schema identifier for decoder output.