docx_reader/reader/
level_override.rs

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use std::io::Read;
use std::str::FromStr;
use xml::attribute::OwnedAttribute;
use xml::reader::{EventReader, XmlEvent};

use super::*;

impl ElementReader for LevelOverride {
	fn read<R: Read>(
		r: &mut EventReader<R>,
		attrs: &[OwnedAttribute],
	) -> Result<Self, ReaderError> {
		if let Ok(level) = usize::from_str(&attrs[0].value) {
			let mut o = LevelOverride::new(level);
			loop {
				let e = r.next();
				match e {
					Ok(XmlEvent::StartElement {
						attributes, name, ..
					}) => {
						let e = XMLElement::from_str(&name.local_name).unwrap();
						match e {
							XMLElement::StartOverride => {
								if let Ok(val) = usize::from_str(&attributes[0].value) {
									o = o.start(val);
								}
								continue;
							}
							XMLElement::Level => {
								if let Ok(lvl) = Level::read(r, &attributes) {
									o = o.level(lvl);
								}
								continue;
							}
							_ => {}
						}
					}
					Ok(XmlEvent::EndElement { name, .. }) => {
						let e = XMLElement::from_str(&name.local_name).unwrap();
						if e == XMLElement::LvlOverride {
							return Ok(o);
						}
					}
					Err(_) => return Err(ReaderError::XMLReadError),
					_ => {}
				}
			}
		} else {
			Err(ReaderError::XMLReadError)
		}
	}
}