From 591b8bcadd8b6bbd46c61484193d2bf7e16bd1ae Mon Sep 17 00:00:00 2001
From: John Estabrook <jestabro@vyos.io>
Date: Sat, 22 May 2021 12:51:18 -0500
Subject: T3574: add constraintGroup to schema

---
 schema/interface_definition.rnc | 11 +++++++++++
 schema/interface_definition.rng | 21 +++++++++++++++++++++
 2 files changed, 32 insertions(+)

diff --git a/schema/interface_definition.rnc b/schema/interface_definition.rnc
index 6647f5e11..d7fc4966c 100644
--- a/schema/interface_definition.rnc
+++ b/schema/interface_definition.rnc
@@ -93,6 +93,7 @@ properties = element properties
 {
     help? &
     constraint? &
+    constraintGroup* &
     valueHelp* &
     (element constraintErrorMessage { text })? &
     completionHelp* &
@@ -140,6 +141,16 @@ constraint = element constraint
       validator )+
 }
 
+# Tag and leaf nodes may have constraintGroups on their names and
+# values (respectively).
+# When multiple constraints are listed within a group, they work as
+# logical AND
+constraintGroup = element constraintGroup
+{
+    ( (element regex { text }) |
+      validator )+
+}
+
 # A constraint may also use an external validator rather than regex
 validator = element validator
 {
diff --git a/schema/interface_definition.rng b/schema/interface_definition.rng
index 22e886006..3ff60cf18 100644
--- a/schema/interface_definition.rng
+++ b/schema/interface_definition.rng
@@ -160,6 +160,9 @@
         <optional>
           <ref name="constraint"/>
         </optional>
+        <zeroOrMore>
+          <ref name="constraintGroup"/>
+        </zeroOrMore>
         <zeroOrMore>
           <ref name="valueHelp"/>
         </zeroOrMore>
@@ -244,6 +247,24 @@
       </oneOrMore>
     </element>
   </define>
+  <!--
+    Tag and leaf nodes may have constraintGroups on their names and
+    values (respectively).
+    When multiple constraints are listed within a group, they work as
+    logical AND
+  -->
+  <define name="constraintGroup">
+    <element name="constraintGroup">
+      <oneOrMore>
+        <choice>
+          <element name="regex">
+            <text/>
+          </element>
+          <ref name="validator"/>
+        </choice>
+      </oneOrMore>
+    </element>
+  </define>
   <!-- A constraint may also use an external validator rather than regex -->
   <define name="validator">
     <element name="validator">
-- 
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