[ONOS-3892,3895,3882,3883,3896]Implementation of yang container, list, leaf, leaf-list parser
Change-Id: Id51839bc434044be8273382f80f15b12f0ec8709
diff --git a/src/main/java/org/onosproject/yangutils/parser/impl/listeners/MaxElementsListener.java b/src/main/java/org/onosproject/yangutils/parser/impl/listeners/MaxElementsListener.java
index d0ba5fa..84eefea 100644
--- a/src/main/java/org/onosproject/yangutils/parser/impl/listeners/MaxElementsListener.java
+++ b/src/main/java/org/onosproject/yangutils/parser/impl/listeners/MaxElementsListener.java
@@ -16,8 +16,17 @@
package org.onosproject.yangutils.parser.impl.listeners;
+import org.onosproject.yangutils.datamodel.YangLeafList;
+import org.onosproject.yangutils.datamodel.YangList;
+import org.onosproject.yangutils.parser.Parsable;
+import org.onosproject.yangutils.parser.ParsableDataType;
import org.onosproject.yangutils.parser.antlrgencode.GeneratedYangParser;
+import org.onosproject.yangutils.parser.exceptions.ParserException;
import org.onosproject.yangutils.parser.impl.TreeWalkListener;
+import org.onosproject.yangutils.parser.impl.parserutils.ListenerErrorLocation;
+import org.onosproject.yangutils.parser.impl.parserutils.ListenerErrorMessageConstruction;
+import org.onosproject.yangutils.parser.impl.parserutils.ListenerErrorType;
+import org.onosproject.yangutils.parser.impl.parserutils.ListenerValidation;
/*
* Reference: RFC6020 and YANG ANTLR Grammar
@@ -54,18 +63,33 @@
*/
public static void processMaxElementsEntry(TreeWalkListener listener,
GeneratedYangParser.MaxElementsStatementContext ctx) {
- // TODO method implementation
- }
+ int maxElementsValue;
- /**
- * It is called when parser exits from grammar rule (max-elements), it performs
- * validation and updates the data model tree.
- *
- * @param listener listener's object.
- * @param ctx context object of the grammar rule.
- */
- public static void processMaxElementsExit(TreeWalkListener listener,
- GeneratedYangParser.MaxElementsStatementContext ctx) {
- // TODO method implementation
+ // Check for stack to be non empty.
+ ListenerValidation.checkStackIsNotEmpty(listener, ListenerErrorType.MISSING_HOLDER,
+ ParsableDataType.MAX_ELEMENT_DATA, "", ListenerErrorLocation.ENTRY);
+
+ if (ctx.maxValueArgument().UNBOUNDED_KEYWORD() != null) {
+ maxElementsValue = Integer.MAX_VALUE;
+ } else {
+ maxElementsValue = Integer.parseInt(ctx.maxValueArgument().INTEGER().getText());
+ }
+
+ Parsable tmpData = listener.getParsedDataStack().peek();
+ switch (tmpData.getParsableDataType()) {
+ case LEAF_LIST_DATA:
+ YangLeafList leafList = (YangLeafList) tmpData;
+ leafList.setMaxElelements(maxElementsValue);
+ break;
+ case LIST_DATA:
+ YangList yangList = (YangList) tmpData;
+ yangList.setMaxElelements(maxElementsValue);
+ break;
+ default:
+ throw new ParserException(ListenerErrorMessageConstruction
+ .constructListenerErrorMessage(ListenerErrorType.INVALID_HOLDER,
+ ParsableDataType.MAX_ELEMENT_DATA,
+ "", ListenerErrorLocation.ENTRY));
+ }
}
}
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