use std::io::Read;
use std::str::FromStr;
use xml::reader::{EventReader, XmlEvent};
use super::*;
impl FromXML for Comments {
fn from_xml<R: Read>(reader: R) -> Result<Self, ReaderError> {
let mut r = EventReader::new(reader);
let mut comments: Vec<Comment> = vec![];
loop {
let e = r.next();
match e {
Ok(XmlEvent::StartElement {
name, attributes, ..
}) => {
let e = XMLElement::from_str(&name.local_name)
.expect("should convert to XMLElement");
if let XMLElement::Comment = e {
comments.push(Comment::read(&mut r, &attributes)?);
}
}
Ok(XmlEvent::EndElement { name, .. }) => {
let e = XMLElement::from_str(&name.local_name).unwrap();
if e == XMLElement::Comments {
return Ok(Comments { comments });
}
}
Ok(XmlEvent::EndDocument { .. }) => {
return Ok(Comments { comments });
}
Err(_) => return Err(ReaderError::XMLReadError),
_ => {}
}
}
}
}