lib3mf_core/parser/
build_parser.rs1use 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 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 build.items.push(BuildItem {
33 object_id,
34 part_number,
35 uuid,
36 path,
37 transform,
38 });
39 }
40 Event::End(e) if e.name().as_ref() == b"build" => break,
41 Event::Eof => {
42 return Err(Lib3mfError::Validation(
43 "Unexpected EOF in build".to_string(),
44 ));
45 }
46 _ => {}
47 }
48 }
49
50 Ok(build)
51}