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# rusticata-macros
[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](./LICENSE-MIT)
[![Apache License 2.0](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](./LICENSE-APACHE)
[![Build Status](https://travis-ci.org/rusticata/rusticata-macros.svg?branch=master)](https://travis-ci.org/rusticata/rusticata-macros)
[![Github CI](https://github.com/rusticata/rusticata-macros/workflows/Continuous%20integration/badge.svg)](https://github.com/rusticata/rusticata-macros/actions)
[![Crates.io Version](https://img.shields.io/crates/v/rusticata-macros.svg)](https://crates.io/crates/rusticata-macros)
<!-- cargo-sync-readme start -->
# Rusticata-macros
Helper macros for the [rusticata](https://github.com/rusticata) project.
This crate contains some additions to [nom](https://github.com/Geal/nom).
For example, the `error_if!` macro allows to test a condition and return an error from the parser if the condition
fails:
```rust
use rusticata_macros::error_if;
let r : IResult<&[u8],()> = do_parse!(
s,
l: be_u8 >>
error_if!(l < 4, ErrorKind::Verify) >>
data: take!(l - 4) >>
(())
);
```
See the documentation for more details and examples.
<!-- cargo-sync-readme end -->
## Nom versions
Different versions of this crate are available, depending on nom version.
- `rusticata-macros` 0.3.x depends on nom 6
- `rusticata-macros` 0.2.x depends on nom 5
## Documentation
Crate is documented, do running `cargo doc` will crate the offline documentation.
Reference documentation can be found [here](https://docs.rs/rusticata-macros/)
## Changes
### 3.0.1
- Add `be_var_u64` and `le_var_u64`
### 3.0.0
- Upgrade to nom 6
### 2.1.0
- Add common trait `Serialize` for structures serialization
### 2.0.4
- Add function version of most combinators
### 2.0.3
- Add macros `q` (quote) and `align32`
### 2.0.2
- Add `upgrade_error` and `upgrade_error_to`
### 2.0.1
- Add macro `custom_check`
- Add macro `flat_take`
### 2.0.0
- Upgrade to nom 5
- Debug types: use newtypes
### 1.1.0
- Add macro `newtype_enum`
### 1.0.0
- Upgrade to nom 4.0
- Warning: this is a breaking change!
- Mark `parse_uint24` as deprecated
## License
Licensed under either of
* Apache License, Version 2.0
([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0)
* MIT license
([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT)
at your option.
## Contribution
Unless you explicitly state otherwise, any contribution intentionally submitted
for inclusion in the work by you, as defined in the Apache-2.0 license, shall be
dual licensed as above, without any additional terms or conditions.
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