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use html5ever::{LocalName, Namespace, Prefix};
use std::collections::btree_map::{BTreeMap, Entry};
#[derive(Debug, PartialEq, Clone)]
pub struct Attributes {
pub map: BTreeMap<ExpandedName, Attribute>,
}
#[derive(Debug, PartialEq, Eq, Hash, Clone, PartialOrd, Ord)]
pub struct ExpandedName {
pub ns: Namespace,
pub local: LocalName,
}
impl ExpandedName {
pub fn new<N: Into<Namespace>, L: Into<LocalName>>(ns: N, local: L) -> Self {
ExpandedName {
ns: ns.into(),
local: local.into(),
}
}
}
#[derive(Debug, PartialEq, Clone)]
pub struct Attribute {
pub prefix: Option<Prefix>,
pub value: String,
}
impl Attributes {
pub fn contains<A: Into<LocalName>>(&self, local_name: A) -> bool {
self.map.contains_key(&ExpandedName::new(ns!(), local_name))
}
pub fn get<A: Into<LocalName>>(&self, local_name: A) -> Option<&str> {
self.map
.get(&ExpandedName::new(ns!(), local_name))
.map(|attr| &*attr.value)
}
pub fn get_mut<A: Into<LocalName>>(&mut self, local_name: A) -> Option<&mut String> {
self.map
.get_mut(&ExpandedName::new(ns!(), local_name))
.map(|attr| &mut attr.value)
}
pub fn entry<A: Into<LocalName>>(&mut self, local_name: A) -> Entry<ExpandedName, Attribute> {
self.map.entry(ExpandedName::new(ns!(), local_name))
}
pub fn insert<A: Into<LocalName>>(
&mut self,
local_name: A,
value: String,
) -> Option<Attribute> {
self.map.insert(
ExpandedName::new(ns!(), local_name),
Attribute {
prefix: None,
value,
},
)
}
pub fn remove<A: Into<LocalName>>(&mut self, local_name: A) -> Option<Attribute> {
self.map.remove(&ExpandedName::new(ns!(), local_name))
}
}