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use quick_xml::events::Event;
use quick_xml::Reader;
pub fn pubmed_len(buffer: &[u8]) -> usize {
let mut reader = Reader::from_reader(buffer);
let mut in_content = 0usize;
let mut total = 0usize;
loop {
match reader.read_event() {
Ok(Event::Start(e)) => {
if in_content != 0 {
in_content += 1;
} else {
if e.name().as_ref() == b"abstract"
|| e.name().as_ref()== b"body" {
in_content = 1;
}
}
}
Ok(Event::End(_)) => {
if in_content != 0 {
in_content -= 1;
}
}
Ok(Event::Text(e)) => {
if in_content != 0 {
total += e.len();
}
}
Ok(Event::Eof) => break,
Ok(_) => {}
Err(_) => unreachable!("buffer is valid PMC XML"),
}
}
total
}
pub fn pubmed_len_with_entities(buffer: &[u8]) -> usize {
let mut reader = Reader::from_reader(buffer);
let mut in_content = 0usize;
let mut total = 0usize;
loop {
match reader.read_event() {
Ok(Event::Start(e)) => {
if in_content != 0 {
in_content += 1;
} else if e.name().as_ref() == b"abstract"
|| e.name().as_ref() == b"body"
{
in_content = 1;
}
}
Ok(Event::End(_)) => {
if in_content != 0 {
in_content -= 1;
}
}
Ok(Event::Text(e)) => {
if in_content != 0 {
total += e.decode().unwrap().len();
}
}
Ok(Event::Eof) => break,
Ok(_) => {}
Err(_) => unreachable!("buffer is valid PMC XML"),
}
}
total
}
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