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-rw-r--r--schema/interface_definition.rng20
1 files changed, 17 insertions, 3 deletions
diff --git a/schema/interface_definition.rng b/schema/interface_definition.rng
index bfd8d376f..22e886006 100644
--- a/schema/interface_definition.rng
+++ b/schema/interface_definition.rng
@@ -95,8 +95,8 @@
but can have values.
Leaf node may contain one or more valueConstraint tags
If multiple valueConstraint tags are used, they work a logical OR
- Leaf nodes can have "multi" attribute that indicated that it can have
- more than one value
+ Leaf nodes can have "multi" attribute that indicated that it can have more than one value
+ It can also have a default value
-->
<define name="leafNode">
<element name="leafNode">
@@ -106,7 +106,21 @@
</optional>
<ref name="nodeNameAttr"/>
</interleave>
- <ref name="properties"/>
+ <interleave>
+ <optional>
+ <ref name="defaultValue"/>
+ </optional>
+ <ref name="properties"/>
+ </interleave>
+ </element>
+ </define>
+ <!--
+ Default value for leaf node, if applicable
+ It is used to generate default node state representation
+ -->
+ <define name="defaultValue">
+ <element name="defaultValue">
+ <text/>
</element>
</define>
<!-- Normal and tag nodes may have children -->