cratestack-parser 0.2.0

Rust-native schema-first framework for typed HTTP APIs, generated clients, and backend services.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40

mod diagnostics;
mod line_helpers;
mod parse;
mod relation_helpers;
mod validate;

#[cfg(test)]
mod tests;

use std::path::Path;

pub use diagnostics::SchemaError;

#[cfg(test)]
use relation_helpers::parse_relation_attribute;

pub fn parse_schema(source: &str) -> Result<cratestack_core::Schema, SchemaError> {
    parse_schema_named("<schema>", source)
}

pub fn parse_schema_named(
    path: &str,
    source: &str,
) -> Result<cratestack_core::Schema, SchemaError> {
    let schema = parse::parse_schema_only(source)?;
    validate::validate_schema(path, source, &schema)?;
    Ok(schema)
}

pub fn parse_schema_file(path: impl AsRef<Path>) -> Result<cratestack_core::Schema, SchemaError> {
    let path = path.as_ref();
    let source = std::fs::read_to_string(path).map_err(|error| {
        SchemaError::new(
            format!("failed to read schema file {}: {error}", path.display()),
            0..0,
            1,
        )
    })?;
    parse_schema_named(&path.display().to_string(), &source)
}