Yang validation moved to validator package and validation listener refactored.

[controller.git] / opendaylight / sal / yang-prototype / code-generator / yang-model-parser-impl / src / main / java / org / opendaylight / controller / yang / model / validator / ValidationUtil.java

diff --git a/opendaylight/sal/yang-prototype/code-generator/yang-model-parser-impl/src/main/java/org/opendaylight/controller/yang/model/validator/ValidationUtil.java b/opendaylight/sal/yang-prototype/code-generator/yang-model-parser-impl/src/main/java/org/opendaylight/controller/yang/model/validator/ValidationUtil.java
new file mode 100644 (file)
index 0000000..31c4b8a
--- /dev/null
+++ b/opendaylight/sal/yang-prototype/code-generator/yang-model-parser-impl/src/main/java/org/opendaylight/controller/yang/model/validator/ValidationUtil.java
@@ -0,0 +1,107 @@
+/*
+ * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/eplv10.html
+ */
+package org.opendaylight.controller.yang.model.validator;
+
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+import org.antlr.v4.runtime.tree.ParseTree;
+import org.opendaylight.controller.antlrv4.code.gen.YangParser.Module_stmtContext;
+import org.opendaylight.controller.antlrv4.code.gen.YangParser.Submodule_stmtContext;
+import org.opendaylight.controller.yang.model.parser.util.YangModelBuilderUtil;
+import org.opendaylight.controller.yang.model.parser.util.YangValidationException;
+
+/**
+ * Validation utilities
+ */
+final class ValidationUtil {
+
+    static void ex(String message) {
+        throw new YangValidationException(message);
+    }
+
+    static Set<String> getDuplicates(Collection<String> keyList) {
+        Set<String> all = new HashSet<String>();
+        Set<String> duplicates = new HashSet<String>();
+
+        for (String key : keyList) {
+            if (!all.add(key))
+                duplicates.add(key);
+        }
+        return duplicates;
+    }
+
+    static List<String> listKeysFromId(String keys) {
+        return Arrays.asList(keys.split(" "));
+    }
+
+    static String getRootParentName(ParseTree ctx) {
+        ParseTree root = getRootParent(ctx);
+        return ValidationUtil.getName(root);
+    }
+
+    private static ParseTree getRootParent(ParseTree ctx) {
+        ParseTree root = ctx;
+        while (root.getParent() != null) {
+            if (root.getClass().equals(Module_stmtContext.class)
+                    || root.getClass().equals(Submodule_stmtContext.class))
+                break;
+            root = root.getParent();
+        }
+        return root;
+    }
+
+    static String getName(ParseTree child) {
+        return YangModelBuilderUtil.stringFromNode(child);
+    }
+
+    static String f(String base, Object... args) {
+        return String.format(base, args);
+    }
+
+    /**
+     * Get simple name from statement class e.g. Module from Module_stmt_context
+     */
+    static String getSimpleStatementName(
+            Class<? extends ParseTree> typeOfStatement) {
+
+        String className = typeOfStatement.getSimpleName();
+        int lastIndexOf = className.indexOf('$');
+        className = lastIndexOf == -1 ? className : className
+                .substring(lastIndexOf + 1);
+        int indexOfStmt = className.indexOf("_stmt");
+        int index = indexOfStmt == -1 ? className.indexOf("_arg") : indexOfStmt;
+        return className.substring(0, index).replace('_', '-');
+    }
+
+    static int countPresentChildrenOfType(ParseTree parent,
+            Set<Class<? extends ParseTree>> expectedChildTypes) {
+        int foundChildrenOfType = 0;
+
+        for (Class<? extends ParseTree> type : expectedChildTypes) {
+            foundChildrenOfType += countPresentChildrenOfType(parent, type);
+        }
+        return foundChildrenOfType;
+    }
+
+    static int countPresentChildrenOfType(ParseTree parent,
+            Class<? extends ParseTree> expectedChildType) {
+        int foundChildrenOfType = 0;
+
+        for (int i = 0; i < parent.getChildCount(); i++) {
+            ParseTree child = parent.getChild(i);
+            if (expectedChildType.isInstance(child))
+                foundChildrenOfType++;
+        }
+        return foundChildrenOfType;
+    }
+
+}