From cb78a7f3416960fdf0fe8348235665e4791fd4cd Mon Sep 17 00:00:00 2001
From: Jonas Platte <jplatte+git@posteo.de>
Date: Sat, 2 Oct 2021 18:16:19 +0200
Subject: [PATCH] identifiers: Declare room versions 7, 8, 9

---
 crates/ruma-identifiers/Cargo.toml            |  1 +
 .../ruma-identifiers/src/room_version_id.rs   | 33 +++++++++++++++++++
 2 files changed, 34 insertions(+)

diff --git a/crates/ruma-identifiers/Cargo.toml b/crates/ruma-identifiers/Cargo.toml
index 0ba8a0a7..7a6cbd55 100644
--- a/crates/ruma-identifiers/Cargo.toml
+++ b/crates/ruma-identifiers/Cargo.toml
@@ -22,6 +22,7 @@ rustdoc-args = ["--cfg", "docsrs"]
 default = ["serde"]
 compat = ["ruma-identifiers-validation/compat"]
 serde = ["ruma-serde", "serde1"]
+unstable-pre-spec = []
 
 [dependencies]
 either = { version = "1.6.1", optional = true }
diff --git a/crates/ruma-identifiers/src/room_version_id.rs b/crates/ruma-identifiers/src/room_version_id.rs
index f4344415..40e4270e 100644
--- a/crates/ruma-identifiers/src/room_version_id.rs
+++ b/crates/ruma-identifiers/src/room_version_id.rs
@@ -42,6 +42,21 @@ pub enum RoomVersionId {
     /// A version 6 room.
     Version6,
 
+    /// A version 7 room.
+    #[cfg(feature = "unstable-pre-spec")]
+    #[cfg_attr(docsrs, doc(cfg(feature = "unstable-pre-spec")))]
+    Version7,
+
+    /// A version 8 room.
+    #[cfg(feature = "unstable-pre-spec")]
+    #[cfg_attr(docsrs, doc(cfg(feature = "unstable-pre-spec")))]
+    Version8,
+
+    /// A version 9 room.
+    #[cfg(feature = "unstable-pre-spec")]
+    #[cfg_attr(docsrs, doc(cfg(feature = "unstable-pre-spec")))]
+    Version9,
+
     #[doc(hidden)]
     _Custom(CustomRoomVersion),
 }
@@ -58,6 +73,12 @@ impl RoomVersionId {
             Self::Version4 => "4",
             Self::Version5 => "5",
             Self::Version6 => "6",
+            #[cfg(feature = "unstable-pre-spec")]
+            Self::Version7 => "7",
+            #[cfg(feature = "unstable-pre-spec")]
+            Self::Version8 => "8",
+            #[cfg(feature = "unstable-pre-spec")]
+            Self::Version9 => "9",
             Self::_Custom(version) => version.as_str(),
         }
     }
@@ -77,6 +98,12 @@ impl From<RoomVersionId> for String {
             RoomVersionId::Version4 => "4".to_owned(),
             RoomVersionId::Version5 => "5".to_owned(),
             RoomVersionId::Version6 => "6".to_owned(),
+            #[cfg(feature = "unstable-pre-spec")]
+            RoomVersionId::Version7 => "7".to_owned(),
+            #[cfg(feature = "unstable-pre-spec")]
+            RoomVersionId::Version8 => "8".to_owned(),
+            #[cfg(feature = "unstable-pre-spec")]
+            RoomVersionId::Version9 => "9".to_owned(),
             RoomVersionId::_Custom(version) => version.into(),
         }
     }
@@ -142,6 +169,12 @@ where
         "4" => RoomVersionId::Version4,
         "5" => RoomVersionId::Version5,
         "6" => RoomVersionId::Version6,
+        #[cfg(feature = "unstable-pre-spec")]
+        "7" => RoomVersionId::Version7,
+        #[cfg(feature = "unstable-pre-spec")]
+        "8" => RoomVersionId::Version8,
+        #[cfg(feature = "unstable-pre-spec")]
+        "9" => RoomVersionId::Version9,
         custom => {
             ruma_identifiers_validation::room_version_id::validate(custom)?;
             RoomVersionId::_Custom(CustomRoomVersion(room_version_id.into()))