1 files changed, 53 insertions, 0 deletions
diff --git a/third_party/rust/dbus/src/crossroads/stdimpl.rs b/third_party/rust/dbus/src/crossroads/stdimpl.rs
new file mode 100644
index 0000000000..10729da5b1
--- /dev/null
+++ b/third_party/rust/dbus/src/crossroads/stdimpl.rs
@@ -0,0 +1,53 @@
+use super::crossroads::Crossroads;
+use super::handlers::{ParInfo, Par};
+use super::info::{IfaceInfo, MethodInfo, PropInfo};
+use crate::arg;
+use super::MethodErr;
+
+pub struct DBusProperties;
+
+impl DBusProperties {
+    pub fn register(cr: &mut Crossroads<Par>) {
+        cr.register_custom::<Self>(IfaceInfo::new("org.freedesktop.DBus.Properties",
+            vec!(MethodInfo::new_par("Get", |_: &DBusProperties, info| {
+                let (iname, propname) = info.msg().read2()?; 
+                let (lookup, pinfo) = info.crossroads().reg_prop_lookup(info.path_data(), iname, propname)
+                    .ok_or_else(|| { MethodErr::no_property(&"Could not find property") })?;
+                let handler = &pinfo.handlers.0.as_ref()
+                    .ok_or_else(|| { MethodErr::no_property(&"Property can not be read") })?;
+                let iface = &**lookup.iface;
+                let mut pinfo = ParInfo::new(info.msg(), lookup);
+                let mut mret = info.msg().method_return();
+                {
+                    let mut ia = arg::IterAppend::new(&mut mret);
+                    (handler)(iface, &mut ia, &mut pinfo)?;
+                }
+                Ok(Some(mret))
+            })),
+            vec!(), vec!()
+        ));
+
+    }
+}
+
+pub struct DBusIntrospectable;
+
+use crate::crossroads as cr;
+
+pub trait Introspectable {
+    fn introspect(&self, info: &cr::ParInfo) -> Result<String, cr::MethodErr>;
+}
+
+pub fn introspectable_ifaceinfo<I>() -> cr::IfaceInfo<'static, cr::Par>
+where I: Introspectable + Send + Sync + 'static {
+    cr::IfaceInfo::new("org.freedesktop.DBus.Introspectable", vec!(
+        MethodInfo::new_par("Introspect", |intf: &I, info| {
+            let xml_data = intf.introspect(info)?;
+            let rm = info.msg().method_return();
+            let rm = rm.append1(xml_data);
+            Ok(Some(rm))
+       }),
+    ), vec!(), vec!())
+}
+
+