Follow the filesystem contract that dropped resource ids and publishing

src/lib.rs

@@ -52,13 +52,10 @@ fn transport(error: host::HostError) -> ErrorCode {
   }
 }
 
-/// The path a locator names. This provider addresses by path only, because
-/// WebDAV has no identity separate from the URL.
-fn route(target: &Locator) -> Result<String, ErrorCode> {
-  match target {
-    Locator::Path(path) => Ok(path.clone()),
-    Locator::Id(_) => Err(ErrorCode::InvalidInput),
-  }
+/// The path a locator names, the only way the contract addresses a resource.
+fn route(target: &Locator) -> String {
+  let Locator::Path(path) = target;
+  path.clone()
 }
 
 fn session<T>(
@@ -143,7 +140,6 @@ fn info_of(found: &dav::Found) -> FileInfo {
     },
     size: found.length,
     revision: found.etag.clone(),
-    id: None,
   }
 }
 
@@ -194,7 +190,6 @@ impl GuestWriter for DavWriter {
       kind: EntryKind::File,
       size: 0,
       revision,
-      id: None,
     }))
   }
 }
@@ -236,8 +231,6 @@ impl Guest for Webdav {
       // will refuse the header rather than silently overwrite.
       conditional_write: true,
       watch: false,
-      staged_write: false,
-      publishable: false,
       virtual_directories: false,
     })
   }
@@ -247,7 +240,7 @@ impl Guest for Webdav {
   }
 
   fn stat(target: Locator) -> Result<FileInfo, ErrorCode> {
-    let path = route(&target)?;
+    let path = route(&target);
     let body = exchange(
       host::Method::Propfind,
       &path,
@@ -266,7 +259,7 @@ impl Guest for Webdav {
     cursor: Option<String>,
     limit: u32,
   ) -> Result<ListPage, ErrorCode> {
-    let path = route(&target)?;
+    let path = route(&target);
     let start: usize = match cursor {
       Some(value) => value.parse().map_err(|_| ErrorCode::InvalidInput)?,
       None => 0,
@@ -296,7 +289,7 @@ impl Guest for Webdav {
   }
 
   fn open_read(target: Locator, offset: u64) -> Result<Reader, ErrorCode> {
-    let path = route(&target)?;
+    let path = route(&target);
     let call = begin(
       host::Method::Get,
       &path,
@@ -320,7 +313,7 @@ impl Guest for Webdav {
     condition: WriteCondition,
     _size_hint: Option<u64>,
   ) -> Result<Writer, ErrorCode> {
-    let path = route(&target)?;
+    let path = route(&target);
     let guard = match condition {
       WriteCondition::CreateOnly => Some(host::Header {
         name: "if-none-match".to_owned(),
@@ -340,13 +333,12 @@ impl Guest for Webdav {
   }
 
   fn mkdir(target: Locator) -> Result<FileInfo, ErrorCode> {
-    let path = route(&target)?;
+    let path = route(&target);
     exchange(host::Method::Mkcol, &path, Vec::new(), &[])?;
     Ok(FileInfo {
       kind: EntryKind::Directory,
       size: 0,
       revision: None,
-      id: None,
     })
   }
 
@@ -354,7 +346,7 @@ impl Guest for Webdav {
     target: Locator,
     destination: String,
   ) -> Result<FileInfo, ErrorCode> {
-    let path = route(&target)?;
+    let path = route(&target);
     let to = session(|session| Ok(dav::url(&session.root, &destination)))?;
     exchange(
       host::Method::Move,
@@ -377,7 +369,7 @@ impl Guest for Webdav {
   }
 
   fn remove(target: Locator) -> Result<(), ErrorCode> {
-    let path = route(&target)?;
+    let path = route(&target);
     exchange(host::Method::Delete, &path, Vec::new(), &[])?;
     Ok(())
   }
@@ -385,10 +377,6 @@ impl Guest for Webdav {
   fn poll(_cursor: Option<String>) -> Result<ChangePage, ErrorCode> {
     Err(ErrorCode::Unsupported)
   }
-
-  fn publish() -> Result<Option<String>, ErrorCode> {
-    Err(ErrorCode::Unsupported)
-  }
 }
 
 sdk::export!(Webdav with_types_in sdk);