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Merge branch 'nicer-debug' into 'master'

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Implement a nicer Debug for NamespaceSet

See merge request lumi/minidom-rs!33
This commit is contained in:
lumi 2019-03-06 14:27:47 +00:00
commit efb283f6fe
1 changed files with 22 additions and 2 deletions
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24
src/namespace_set.rs
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@ -1,9 +1,10 @@
use std::collections::BTreeMap;
use std::cell::RefCell;
use std::fmt;
use std::rc::Rc;
#[derive(Clone, Debug, PartialEq, Eq)]
#[derive(Clone, PartialEq, Eq)]
pub struct NamespaceSet {
parent: RefCell<Option<Rc<NamespaceSet>>>,
namespaces: BTreeMap<Option<String>, String>,
@ -18,6 +19,19 @@ impl Default for NamespaceSet {
}
}
impl fmt::Debug for NamespaceSet {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "NamespaceSet(")?;
for (prefix, namespace) in &self.namespaces {
write!(f, "xmlns{}={:?}, ", match prefix {
None => String::new(),
Some(prefix) => format!(":{}", prefix),
}, namespace)?;
}
write!(f, "parent: {:?})", *self.parent.borrow())
}
}
impl NamespaceSet {
pub fn declared_ns(&self) -> &BTreeMap<Option<String>, String> {
&self.namespaces
@ -107,7 +121,6 @@ impl From<(String, String)> for NamespaceSet {
#[cfg(test)]
mod tests {
use super::*;
use std::rc::Rc;
#[test]
fn get_has() {
@ -147,4 +160,11 @@ mod tests {
}
}
#[test]
fn debug_looks_correct() {
let parent = NamespaceSet::from("http://www.w3.org/2000/svg".to_owned());
let namespaces = NamespaceSet::from(("xhtml".to_owned(), "http://www.w3.org/1999/xhtml".to_owned()));
namespaces.set_parent(Rc::new(parent));
assert_eq!(format!("{:?}", namespaces), "NamespaceSet(xmlns:xhtml=\"http://www.w3.org/1999/xhtml\", parent: Some(NamespaceSet(xmlns=\"http://www.w3.org/2000/svg\", parent: None)))");
}
}