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# wmap-parser-rust
A parser for `wmap` formatted Wardley Map files built in rust.
## Features
* No dependencies.
* Free software.
* Reasonably fast.
## Installation
Add it to your project with cargo add
```bash
cargo add wmap-parser
```
## Usage
```rust
use wmap_parser::parse;
fn main() {
let wmap_source = r#"
[I] 0.25
[II] 0.5
[III] 0.75
[IV] 1.0
Tea (0.9, 0.5) [Circle]
Cup (0.8, 0.4)
Hot Water (0.6, 0.2)
Tea -> Cup
Cup -> Hot Water
[Note] (0.5, 0.5) Supply chain for tea
[Group] Tea, Cup
[Inertia] Cup
[Evolution] Tea + 0.1
"#;
let map = parse(wmap_source);
println!("{:?}", map.components);
// [
// Component { label: "Tea", coordinates: (0.9, 0.5), shape: Circle },
// Component { label: "Cup", coordinates: (0.8, 0.4), shape: Circle },
// ...
// ]
println!("{:?}", map.dependencies);
// [
// Dependency { from: "Tea", to: "Cup", is_directed: true },
// ...
// ]
}
```
## API
### `parse(source: &str) -> Map`
Parses a wmap formatted string and returns a Map object.
**Parameters:**
- `source` (&str): The wmap source code to parse
**Returns:**
- `Map`: A Map struct containing the parsed components, dependencies, notes,
stages, groups, inertias, and evolutions
## Format Specification
See [The map website](https://map.tranquil.systems) for more information on the
format.
## Reasonably Fast
Benchmarked on an M1 Pro mac. A map with around 120 entities parses in 7µs.
While a larger map with slightly under 2000 entities does so in 215µs.
You can run the benchmarks by using:
```bash
make benchmark
```
## Development
This project uses a Makefile to run all commands. This is to keep the
commands uniform with the other wmap-parser projects.
### Running Tests
```bash
make test
```
Or to see coverage
```bash
make coverage
```
## See Also
- [wmap specification](doc/wmap-spec.ebnf) - Formal grammar
- [wmap specification](https://git.sr.ht:~rbdr/wmap-parser-js) - Javascript wmap-parser
- [wmap specification](https://git.sr.ht:~rbdr/wmap-parser-c) - ANSI C wmap-parser
- [wmap specification](https://git.sr.ht:~rbdr/wmap-parser-swift) - Swift wmap-parser
- [Wardley Maps](https://wardleymaps.com/) - Learn about Wardley Mapping
|
