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Support multiple attributes #69

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Support multiple attributes #69

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dfc69eb
Support multiple attributes
dogancelik Sep 11, 2023
02c4e36
End line with newline if value is none
dogancelik Oct 3, 2023
c3e74c0
Check for next attribute
dogancelik Oct 3, 2023
1f58bb4
Merge branch 'master' into multiple-attrs
mgdm May 27, 2026
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25 changes: 20 additions & 5 deletions src/main.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -54,14 +54,29 @@ struct Config {
/// Output only the contents of the given attributes.
#[arg(short, long)]
attributes: Vec<String>,

#[arg(short, long)]
/// Use this separator when multiple attributes are output
attribute_separator: String,
}

fn select_attributes(node: &NodeRef, attributes: &[String], output: &mut dyn io::Write) {
fn select_attributes(node: &NodeRef, attributes: &Vec<String>, attribute_separator: &String, output: &mut dyn io::Write) {
if let Some(as_element) = node.as_element() {
for attr in attributes {
let mut it = attributes.iter().peekable();
while let Some(attr) = it.next() {
if let Ok(elem_atts) = as_element.attributes.try_borrow() {
if let Some(val) = elem_atts.get(attr.as_str()) {
writeln!(output, "{}", val).ok();
if it.peek().is_some() {
write!(output, "{}{}", val, attribute_separator).ok();
} else {
writeln!(output, "{}", val).ok();
}
} else {
if it.peek().is_some() {
write!(output, "{}{}", "", attribute_separator).ok();
} else {
writeln!(output, "{}", "").ok();
}
}
}
}
Expand Down Expand Up @@ -129,8 +144,8 @@ fn main() -> Result<(), Box<dyn Error>> {
.for_each(|matched_noderef| {
let node = matched_noderef.as_node();

if !config.attributes.is_empty() {
select_attributes(node, &config.attributes, &mut output);
if let Some(attributes) = config.attributes.as_ref() {
select_attributes(node, attributes, &config.attribute_separator, &mut output);
return;
}

Expand Down