lib3mf_core/parser/
build_parser.rs

1use crate::error::{Lib3mfError, Result};
2use crate::model::{Build, BuildItem};
3use crate::parser::component_parser::parse_transform;
4use crate::parser::xml_parser::{XmlParser, get_attribute, get_attribute_u32};
5
6use glam::Mat4;
7use quick_xml::events::Event;
8use std::borrow::Cow;
9use std::io::BufRead;
10
11pub fn parse_build<R: BufRead>(parser: &mut XmlParser<R>) -> Result<Build> {
12    let mut build = Build::default();
13
14    loop {
15        match parser.read_next_event()? {
16            Event::Start(e) | Event::Empty(e) if e.name().as_ref() == b"item" => {
17                let object_id = crate::model::ResourceId(get_attribute_u32(&e, b"objectid")?);
18                let transform = if let Some(s) = get_attribute(&e, b"transform") {
19                    parse_transform(&s)?
20                } else {
21                    Mat4::IDENTITY
22                };
23
24                let part_number =
25                    get_attribute(&e, b"partnumber").map(|s: Cow<str>| s.into_owned());
26                let uuid = crate::parser::xml_parser::get_attribute_uuid(&e)?;
27                // Try "path" or "p:path"
28                let path = get_attribute(&e, b"path")
29                    .or_else(|| get_attribute(&e, b"p:path"))
30                    .map(|s: Cow<str>| s.into_owned());
31
32                let printable = get_attribute(&e, b"printable").and_then(|s| match s.as_ref() {
33                    "1" => Some(true),
34                    "0" => Some(false),
35                    _ => None,
36                });
37
38                build.items.push(BuildItem {
39                    object_id,
40                    part_number,
41                    uuid,
42                    path,
43                    transform,
44                    printable,
45                });
46            }
47            Event::End(e) if e.name().as_ref() == b"build" => break,
48            Event::Eof => {
49                return Err(Lib3mfError::Validation(
50                    "Unexpected EOF in build".to_string(),
51                ));
52            }
53            _ => {}
54        }
55    }
56
57    Ok(build)
58}
lib3mf_core/parser/build_parser.rs

lib3mf_core/parser/
build_parser.rs
