feat(stanza): xep-0390: entity capabilities 2.0

1 files changed, 26 insertions, 0 deletions

diff --git a/stanza/src/xep_0390.rs b/stanza/src/xep_0390.rs
new file mode 100644
index 0000000..a05a659
--- /dev/null
+++ b/stanza/src/xep_0390.rs
@@ -0,0 +1,26 @@
+use crate::xep_0300::Hash;
+use peanuts::{
+    element::{FromElement, IntoElement},
+    Element,
+};
+
+pub const XMLNS: &str = "urn:xmpp:caps";
+
+// TODO: have a vec which guarantees at least one item
+#[derive(Debug, Clone)]
+pub struct C(Vec<Hash>);
+
+impl FromElement for C {
+    fn from_element(mut element: Element) -> peanuts::element::DeserializeResult<Self> {
+        element.check_name("c")?;
+        element.check_namespace(XMLNS)?;
+
+        Ok(Self(element.pop_children()?))
+    }
+}
+
+impl IntoElement for C {
+    fn builder(&self) -> peanuts::element::ElementBuilder {
+        Element::builder("c", Some(XMLNS)).push_children(self.0.clone())
+    }
+}