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#[cfg(feature = "positions")]
fn main() {
    let args: Vec<_> = std::env::args().collect();

    if args.len() != 2 {
        println!("Usage:\n\tcargo run --example print_pos -- input.xml");
        std::process::exit(1);
    }

    let text = std::fs::read_to_string(&args[1]).unwrap();
    let opt = roxmltree::ParsingOptions {
        allow_dtd: true,
        ..roxmltree::ParsingOptions::default()
    };
    let doc = match roxmltree::Document::parse_with_options(&text, opt) {
        Ok(doc) => doc,
        Err(e) => {
            println!("Error: {}.", e);
            return;
        }
    };

    // TODO: finish
    for node in doc.descendants() {
        if node.is_element() {
            println!(
                "{:?} at {}",
                node.tag_name(),
                doc.text_pos_at(node.range().start)
            );
        }
    }
}

#[cfg(not(feature = "positions"))]
fn main() {}