use std::io::Read;
use std::str::FromStr;
use xml::attribute::OwnedAttribute;
use xml::reader::{EventReader, XmlEvent};
use super::*;
impl ElementReader for Insert {
fn read<R: Read>(
r: &mut EventReader<R>,
attrs: &[OwnedAttribute],
) -> Result<Self, ReaderError> {
let mut ins = Insert::new_with_empty();
loop {
let e = r.next();
match e {
Ok(XmlEvent::StartElement {
name, attributes, ..
}) => {
let e = XMLElement::from_str(&name.local_name).unwrap();
match e {
XMLElement::Run => ins = ins.add_run(Run::read(r, &attributes)?),
XMLElement::Delete => ins = ins.add_delete(Delete::read(r, &attributes)?),
XMLElement::CommentRangeStart => {
if let Some(id) = read(&attributes, "id") {
if let Ok(id) = usize::from_str(&id) {
let comment = Comment::new(id);
ins = ins.add_comment_start(comment);
}
}
continue;
}
XMLElement::CommentRangeEnd => {
if let Some(id) = read(&attributes, "id") {
if let Ok(id) = usize::from_str(&id) {
ins = ins.add_comment_end(id);
}
}
continue;
}
_ => {}
}
}
Ok(XmlEvent::EndElement { name, .. }) => {
let e = XMLElement::from_str(&name.local_name).unwrap();
if e == XMLElement::Insert {
for attr in attrs {
let local_name = &attr.name.local_name;
if local_name == "author" {
ins = ins.author(&attr.value);
} else if local_name == "date" {
ins = ins.date(&attr.value);
}
}
return Ok(ins);
}
}
Err(_) => return Err(ReaderError::XMLReadError),
_ => {}
}
}
}
}