From bc2c1a032a4aad1d5c3f5047d51f86bf8370b163 Mon Sep 17 00:00:00 2001
From: Daniil Baturin <daniil@baturin.org>
Date: Tue, 12 Sep 2017 21:08:25 +0700
Subject: Add support for completionHelp tag to the schema.

---
 data/schemata/interface_definition.rnc | 20 +++++++++++++++-
 data/schemata/interface_definition.rng | 42 +++++++++++++++++++++++++++++++++-
 2 files changed, 60 insertions(+), 2 deletions(-)

diff --git a/data/schemata/interface_definition.rnc b/data/schemata/interface_definition.rnc
index 3b3fa1e..48aae57 100644
--- a/data/schemata/interface_definition.rnc
+++ b/data/schemata/interface_definition.rnc
@@ -1,6 +1,6 @@
 #    interface_definition.rnc: VyConf reference tree XML grammar
 #
-#    Copyright (C) 2014 VyOS Development Group <maintainers@vyos.net>
+#    Copyright (C) 2014. 2017 VyOS maintainers and contributors <maintainers@vyos.net>
 #
 #    This library is free software; you can redistribute it and/or
 #    modify it under the terms of the GNU Lesser General Public
@@ -75,18 +75,23 @@ children = element children
 # "valueless" means it can have no values at all.
 # "hidden" means node visibility can be toggled, eg 'dangerous' commands,
 # "secret" allows a node to hide its value from unprivileged users.
+#
+# "priority" is used to influence node processing order for nodes
+# with exact same dependencies and in compatibility modes.
 properties = element properties
 {
     help? &
     constraint? &
     valueHelp* &
     (element constraintErrorMessage { text })? &
+    completionHelp* &
 
     # These are meaningful only for leaf nodes
     (element valueless { empty })? &
     (element multi { empty })? &
     (element hidden { empty })? &
     (element secret { empty })? &
+    (element priority { text })? &
 
     # These are meaningful only for tag nodes
     (element keepChildOrder { empty })?
@@ -134,3 +139,16 @@ valueHelp = element valueHelp
     element format { text } &
     element description { text }
 }
+
+# completionHelp tags contain information about allowed values of a node that is used for generating
+# tab completion in the CLI frontend and drop-down lists in GUI frontends
+# It is only meaninful for leaf nodes
+# Allowed values can be given as a fixed list of values (e.g. <list>foo bar baz</list>),
+# as a configuration path (e.g. <path>interfaces ethernet</path>),
+# or as a path to a script file that generates the list (e.g. <script>/usr/lib/foo/list-things</script>
+completionHelp = element completionHelp
+{
+    (element list { text })* &
+    (element path { text })* &
+    (element script { text })*
+}
diff --git a/data/schemata/interface_definition.rng b/data/schemata/interface_definition.rng
index 8aa3ed5..d1bd9a7 100644
--- a/data/schemata/interface_definition.rng
+++ b/data/schemata/interface_definition.rng
@@ -3,7 +3,7 @@
   <!--
        interface_definition.rnc: VyConf reference tree XML grammar
     
-       Copyright (C) 2014 VyOS Development Group <maintainers@vyos.net>
+       Copyright (C) 2014. 2017 VyOS maintainers and contributors <maintainers@vyos.net>
     
        This library is free software; you can redistribute it and/or
        modify it under the terms of the GNU Lesser General Public
@@ -116,6 +116,9 @@
     "valueless" means it can have no values at all.
     "hidden" means node visibility can be toggled, eg 'dangerous' commands,
     "secret" allows a node to hide its value from unprivileged users.
+    
+    "priority" is used to influence node processing order for nodes
+    with exact same dependencies and in compatibility modes.
   -->
   <define name="properties">
     <element name="properties">
@@ -134,6 +137,9 @@
             <text/>
           </element>
         </optional>
+        <zeroOrMore>
+          <ref name="completionHelp"/>
+        </zeroOrMore>
         <optional>
           <!-- These are meaningful only for leaf nodes -->
           <group>
@@ -157,6 +163,11 @@
             <empty/>
           </element>
         </optional>
+        <optional>
+          <element name="priority">
+            <text/>
+          </element>
+        </optional>
         <optional>
           <!-- These are meaningful only for tag nodes -->
           <group>
@@ -227,4 +238,33 @@
       </interleave>
     </element>
   </define>
+  <!--
+    completionHelp tags contain information about allowed values of a node that is used for generating
+    tab completion in the CLI frontend and drop-down lists in GUI frontends
+    It is only meaninful for leaf nodes
+    Allowed values can be given as a fixed list of values (e.g. <list>foo bar baz</list>),
+    as a configuration path (e.g. <path>interfaces ethernet</path>),
+    or as a path to a script file that generates the list (e.g. <script>/usr/lib/foo/list-things</script>
+  -->
+  <define name="completionHelp">
+    <element name="completionHelp">
+      <interleave>
+        <zeroOrMore>
+          <element name="list">
+            <text/>
+          </element>
+        </zeroOrMore>
+        <zeroOrMore>
+          <element name="path">
+            <text/>
+          </element>
+        </zeroOrMore>
+        <zeroOrMore>
+          <element name="script">
+            <text/>
+          </element>
+        </zeroOrMore>
+      </interleave>
+    </element>
+  </define>
 </grammar>
-- 
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