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parse

openbim_step

Function parse 

Source 
pub fn parse(input: &[u8]) -> Result<Exchange, StepError>
Expand description

Parses a physical file into an owned generic exchange structure.

ยงErrors

Returns StepError for the wrong physical-file marker, or a spanned lexical/syntax diagnostic otherwise.

Examples found in repository?
examples/recovery_probe.rs (line 7)
3fn main() {
4    let path = std::env::args().nth(1).expect("path");
5    let bytes = std::fs::read(&path).expect("read");
6
7    match openbim_step::parse(&bytes) {
8        Ok(_) => println!("strict: OK (unexpected)"),
9        Err(error) => println!("strict: {error}"),
10    }
11
12    let outcome = openbim_step::parse_with(&bytes, openbim_step::ParseOptions::lenient())
13        .expect("lenient parse");
14    println!(
15        "lenient: {} records, {} diagnostics",
16        outcome.exchange.data.records.len(),
17        outcome.diagnostics.len()
18    );
19    for diagnostic in &outcome.diagnostics {
20        println!("  {diagnostic}");
21        let span = diagnostic.span();
22        println!(
23            "  dropped bytes: {:?}",
24            String::from_utf8_lossy(&bytes[span.start..span.end])
25        );
26    }
27    let boundaries = outcome
28        .exchange
29        .data
30        .records
31        .iter()
32        .filter(|record| {
33            record
34                .as_simple()
35                .is_some_and(|simple| simple.name == "IFCRELSPACEBOUNDARY")
36        })
37        .count();
38    println!("IfcRelSpaceBoundary: {boundaries}");
39    println!("schema: {:?}", outcome.exchange.header.standard().schema);
40}