[gtk: 1/2] tools: updated gtk4builder.rng to current state

[Matthias Clasen <matthiasc src gnome org>]

commit 86a3400f2e2e61851e1bd16b16eff01ea8d72dda
Author: Günther Wagner <info gunibert de>
Date:   Tue Feb 8 21:42:41 2022 +0100

    tools: updated gtk4builder.rng to current state

 tools/gtk4builder.rng | 152 +++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 150 insertions(+), 2 deletions(-)
---
diff --git a/tools/gtk4builder.rng b/tools/gtk4builder.rng
index 125051511c..8e1973fc0a 100644
--- a/tools/gtk4builder.rng
+++ b/tools/gtk4builder.rng
@@ -52,6 +52,7 @@
           <ref name="property"/>
           <ref name="signal"/>
           <ref name="child"/>
+          <ref name="constraints"/>
           <ref name="ANY"/>
         </choice>
       </zeroOrMore>
@@ -115,9 +116,13 @@
           </optional>
         </group>
       </optional>
-      <optional>
+      <choice>
         <text/>
-      </optional>
+        <ref name="object"/>
+        <ref name="constant"/>
+        <ref name="lookup"/>
+        <ref name="closure"/>
+      </choice>
     </element>
   </define>
   <define name="signal">
@@ -303,6 +308,11 @@
           <name>link</name>
           <name>submenu</name>
           <name>section</name>
+          <name>lookup</name>
+          <name>closure</name>
+          <name>constant</name>
+          <name>constraint</name>
+          <name>guide</name>
         </except>
       </anyName>
       <zeroOrMore>
@@ -340,4 +350,142 @@
       </interleave>
     </element>
   </define>
+  <define name="constant">
+    <element name="constant">
+      <attribute name="type">
+        <text/>
+      </attribute>
+      <optional>
+        <text/>
+      </optional>
+    </element>
+  </define>
+  <define name="lookup">
+    <element name="lookup">
+      <optional>
+        <attribute name="name">
+          <text/>
+        </attribute>
+      </optional>
+      <optional>
+        <attribute name="type">
+          <text/>
+        </attribute>
+      </optional>
+      <choice>
+        <text/>
+        <ref name="constant"/>
+      </choice>
+    </element>
+  </define>
+  <define name="closure">
+    <element name="closure">
+      <attribute name="type">
+        <text/>
+      </attribute>
+      <attribute name="function">
+        <text/>
+      </attribute>
+      <zeroOrMore>
+        <choice>
+          <ref name="constant"/>
+          <ref name="lookup"/>
+        </choice>
+      </zeroOrMore>
+    </element>
+  </define>
+  <define name="guide">
+    <element name="guide">
+      <optional>
+        <attribute name="name">
+          <text/>
+        </attribute>
+      </optional>
+      <optional>
+        <attribute name="min-width">
+          <text/>
+        </attribute>
+      </optional>
+      <optional>
+        <attribute name="min-height">
+          <text/>
+        </attribute>
+      </optional>
+      <optional>
+        <attribute name="nat-width">
+          <text/>
+        </attribute>
+      </optional>
+      <optional>
+        <attribute name="nat-height">
+          <text/>
+        </attribute>
+      </optional>
+      <optional>
+        <attribute name="max-width">
+          <text/>
+        </attribute>
+      </optional>
+      <optional>
+        <attribute name="max-height">
+          <text/>
+        </attribute>
+      </optional>
+      <optional>
+        <attribute name="strength">
+          <text/>
+        </attribute>
+      </optional>
+    </element>
+  </define>
+  <define name="constraint">
+    <element name="constraint">
+      <attribute name="target">
+        <text/>
+      </attribute>
+      <attribute name="target-attribute">
+        <text/>
+      </attribute>
+      <optional>
+        <group>
+          <attribute name="source">
+            <text/>
+          </attribute>
+          <attribute name="source-attribute">
+            <text/>
+          </attribute>
+        </group>
+      </optional>
+      <optional>
+        <attribute name="relation">
+          <text/>
+        </attribute>
+      </optional>
+      <optional>
+        <attribute name="constant">
+          <text/>
+        </attribute>
+      </optional>
+      <optional>
+        <attribute name="multiplier">
+          <text/>
+        </attribute>
+      </optional>
+      <optional>
+        <attribute name="strength">
+          <text/>
+        </attribute>
+      </optional>
+    </element>
+  </define>
+  <define name="constraints">
+    <element name="constraints">
+      <zeroOrMore>
+        <choice>
+          <ref name="guide"/>
+          <ref name="constraint"/>
+        </choice>
+      </zeroOrMore>
+    </element>
+  </define>
 </grammar>