+++ /dev/null
-/*
- * 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.parser.util;
-
-import java.net.URI;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Date;
-import java.util.List;
-import java.util.Stack;
-
-import org.antlr.v4.runtime.tree.ParseTree;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Argument_stmtContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Base_stmtContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Bit_stmtContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Bits_specificationContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Config_argContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Config_stmtContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Decimal64_specificationContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Default_stmtContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Description_stmtContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Enum_specificationContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Enum_stmtContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Error_app_tag_stmtContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Error_message_stmtContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Fraction_digits_stmtContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Identityref_specificationContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Leafref_specificationContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Length_stmtContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Mandatory_argContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Mandatory_stmtContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Max_elements_stmtContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Min_elements_stmtContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Must_stmtContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Numerical_restrictionsContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Ordered_by_argContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Ordered_by_stmtContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Path_stmtContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Pattern_stmtContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Position_stmtContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Presence_stmtContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Range_stmtContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Reference_stmtContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Refine_anyxml_stmtsContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Refine_choice_stmtsContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Refine_container_stmtsContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Refine_leaf_list_stmtsContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Refine_leaf_stmtsContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Refine_list_stmtsContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Refine_pomContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Refine_stmtContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Require_instance_argContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Require_instance_stmtContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Status_argContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Status_stmtContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.StringContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.String_restrictionsContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Type_body_stmtsContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Units_stmtContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Value_stmtContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.When_stmtContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Yin_element_argContext;
-import org.opendaylight.controller.antlrv4.code.gen.YangParser.Yin_element_stmtContext;
-import org.opendaylight.controller.yang.common.QName;
-import org.opendaylight.controller.yang.model.api.MustDefinition;
-import org.opendaylight.controller.yang.model.api.RevisionAwareXPath;
-import org.opendaylight.controller.yang.model.api.SchemaPath;
-import org.opendaylight.controller.yang.model.api.Status;
-import org.opendaylight.controller.yang.model.api.TypeDefinition;
-import org.opendaylight.controller.yang.model.api.UnknownSchemaNode;
-import org.opendaylight.controller.yang.model.api.type.BitsTypeDefinition;
-import org.opendaylight.controller.yang.model.api.type.BitsTypeDefinition.Bit;
-import org.opendaylight.controller.yang.model.api.type.EnumTypeDefinition;
-import org.opendaylight.controller.yang.model.api.type.EnumTypeDefinition.EnumPair;
-import org.opendaylight.controller.yang.model.api.type.LengthConstraint;
-import org.opendaylight.controller.yang.model.api.type.PatternConstraint;
-import org.opendaylight.controller.yang.model.api.type.RangeConstraint;
-import org.opendaylight.controller.yang.model.parser.builder.api.SchemaNodeBuilder;
-import org.opendaylight.controller.yang.model.parser.builder.impl.ConstraintsBuilder;
-import org.opendaylight.controller.yang.model.util.BaseConstraints;
-import org.opendaylight.controller.yang.model.util.BinaryType;
-import org.opendaylight.controller.yang.model.util.BitsType;
-import org.opendaylight.controller.yang.model.util.Decimal64;
-import org.opendaylight.controller.yang.model.util.EnumerationType;
-import org.opendaylight.controller.yang.model.util.InstanceIdentifier;
-import org.opendaylight.controller.yang.model.util.Int16;
-import org.opendaylight.controller.yang.model.util.Int32;
-import org.opendaylight.controller.yang.model.util.Int64;
-import org.opendaylight.controller.yang.model.util.Int8;
-import org.opendaylight.controller.yang.model.util.Leafref;
-import org.opendaylight.controller.yang.model.util.RevisionAwareXPathImpl;
-import org.opendaylight.controller.yang.model.util.StringType;
-import org.opendaylight.controller.yang.model.util.Uint16;
-import org.opendaylight.controller.yang.model.util.Uint32;
-import org.opendaylight.controller.yang.model.util.Uint64;
-import org.opendaylight.controller.yang.model.util.Uint8;
-import org.opendaylight.controller.yang.model.util.UnknownType;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-public final class YangModelBuilderUtil {
-
- private static final Logger logger = LoggerFactory
- .getLogger(YangModelBuilderUtil.class);
-
- private YangModelBuilderUtil() {
- }
-
- /**
- * Parse given tree and get first string value.
- *
- * @param treeNode
- * tree to parse
- * @return first string value from given tree
- */
- public static String stringFromNode(final ParseTree treeNode) {
- final String result = "";
- for (int i = 0; i < treeNode.getChildCount(); ++i) {
- if (treeNode.getChild(i) instanceof StringContext) {
- final StringContext context = (StringContext) treeNode
- .getChild(i);
- if (context != null) {
- return context.getChild(0).getText().replace("\"", "");
- }
- }
- }
- return result;
- }
-
- /**
- * Parse 'description', 'reference' and 'status' statements and fill in
- * given builder.
- *
- * @param ctx
- * context to parse
- * @param builder
- * builder to fill in with parsed statements
- */
- public static void parseSchemaNodeArgs(final ParseTree ctx,
- final SchemaNodeBuilder builder) {
- for (int i = 0; i < ctx.getChildCount(); i++) {
- final ParseTree child = ctx.getChild(i);
- if (child instanceof Description_stmtContext) {
- final String desc = stringFromNode(child);
- builder.setDescription(desc);
- } else if (child instanceof Reference_stmtContext) {
- final String ref = stringFromNode(child);
- builder.setReference(ref);
- } else if (child instanceof Status_stmtContext) {
- final Status status = parseStatus((Status_stmtContext) child);
- builder.setStatus(status);
- }
- }
- }
-
- /**
- * Parse given context and return its value;
- *
- * @param ctx
- * status context
- * @return value parsed from context
- */
- public static Status parseStatus(final Status_stmtContext ctx) {
- Status result = null;
- for (int i = 0; i < ctx.getChildCount(); i++) {
- ParseTree statusArg = ctx.getChild(i);
- if (statusArg instanceof Status_argContext) {
- String statusArgStr = stringFromNode(statusArg);
- if ("current".equals(statusArgStr)) {
- result = Status.CURRENT;
- } else if ("deprecated".equals(statusArgStr)) {
- result = Status.DEPRECATED;
- } else if ("obsolete".equals(statusArgStr)) {
- result = Status.OBSOLETE;
- } else {
- logger.warn("Invalid 'status' statement: " + statusArgStr);
- }
- }
- }
- return result;
- }
-
- /**
- * Parse given tree and returns units statement as string.
- *
- * @param ctx
- * context to parse
- * @return value of units statement as string or null if there is no units
- * statement
- */
- public static String parseUnits(final ParseTree ctx) {
- String units = null;
- for (int i = 0; i < ctx.getChildCount(); i++) {
- ParseTree child = ctx.getChild(i);
- if (child instanceof Units_stmtContext) {
- units = stringFromNode(child);
- break;
- }
- }
- return units;
- }
-
- /**
- * Create SchemaPath object from given path list with namespace, revision
- * and prefix based on given values.
- *
- * @param actualPath
- * current position in model
- * @param namespace
- * @param revision
- * @param prefix
- * @return SchemaPath object.
- */
- public static SchemaPath createActualSchemaPath(
- final List<String> actualPath, final URI namespace,
- final Date revision, final String prefix) {
- final List<QName> path = new ArrayList<QName>();
- QName qname;
- // start from index 1 - module name omited
- for (int i = 1; i < actualPath.size(); i++) {
- qname = new QName(namespace, revision, prefix, actualPath.get(i));
- path.add(qname);
- }
- return new SchemaPath(path, true);
- }
-
- /**
- * Create SchemaPath from given string.
- *
- * @param augmentPath
- * string representation of path
- * @return SchemaPath object
- */
- public static SchemaPath parseAugmentPath(final String augmentPath) {
- final boolean absolute = augmentPath.startsWith("/");
- final String[] splittedPath = augmentPath.split("/");
- List<QName> path = new ArrayList<QName>();
- QName name;
- for (String pathElement : splittedPath) {
- if (pathElement.length() > 0) {
- String[] splittedElement = pathElement.split(":");
- if (splittedElement.length == 1) {
- name = new QName(null, null, null, splittedElement[0]);
- } else {
- name = new QName(null, null, splittedElement[0],
- splittedElement[1]);
- }
- path.add(name);
- }
- }
- return new SchemaPath(path, absolute);
- }
-
- /**
- * Create java.util.List of QName objects from given key definition as
- * string.
- *
- * @param keyDefinition
- * key definition as string
- * @param namespace
- * current namespace
- * @param revision
- * current revision
- * @param prefix
- * current prefix
- * @return YANG list key as java.util.List of QName objects
- */
- public static List<QName> createListKey(final String keyDefinition,
- final URI namespace, final Date revision, final String prefix) {
- List<QName> key = new ArrayList<QName>();
- String[] splittedKey = keyDefinition.split(" ");
-
- QName qname = null;
- for (String keyElement : splittedKey) {
- if (keyElement.length() != 0) {
- qname = new QName(namespace, revision, prefix, keyElement);
- key.add(qname);
- }
- }
- return key;
- }
-
- /**
- * Parse given type body of enumeration statement.
- *
- * @param ctx
- * type body context to parse
- * @param path
- * actual position in YANG model
- * @param namespace
- * @param revision
- * @param prefix
- * @return List of EnumPair object parsed from given context
- */
- private static List<EnumTypeDefinition.EnumPair> getEnumConstants(
- final Type_body_stmtsContext ctx, final List<String> path,
- final URI namespace, final Date revision, final String prefix) {
- List<EnumTypeDefinition.EnumPair> enumConstants = new ArrayList<EnumTypeDefinition.EnumPair>();
-
- for (int j = 0; j < ctx.getChildCount(); j++) {
- ParseTree enumSpecChild = ctx.getChild(j);
- if (enumSpecChild instanceof Enum_specificationContext) {
- int highestValue = -1;
- for (int k = 0; k < enumSpecChild.getChildCount(); k++) {
- ParseTree enumChild = enumSpecChild.getChild(k);
- if (enumChild instanceof Enum_stmtContext) {
- EnumPair enumPair = createEnumPair(
- (Enum_stmtContext) enumChild, highestValue,
- path, namespace, revision, prefix);
- if (enumPair.getValue() > highestValue) {
- highestValue = enumPair.getValue();
- }
- enumConstants.add(enumPair);
- }
- }
- }
- }
- return enumConstants;
- }
-
- /**
- * Parse enum statement context
- *
- * @param ctx
- * enum statement context
- * @param highestValue
- * current highest value in enumeration
- * @param path
- * actual position in YANG model
- * @param namespace
- * @param revision
- * @param prefix
- * @return EnumPair object parsed from given context
- */
- private static EnumTypeDefinition.EnumPair createEnumPair(
- final Enum_stmtContext ctx, final int highestValue,
- final List<String> path, final URI namespace, final Date revision,
- final String prefix) {
- final String name = stringFromNode(ctx);
- final QName qname = new QName(namespace, revision, prefix, name);
- Integer value = null;
-
- String description = null;
- String reference = null;
- Status status = null;
-
- List<String> enumPairPath = new ArrayList<String>(path);
- enumPairPath.add(name);
-
- for (int i = 0; i < ctx.getChildCount(); i++) {
- ParseTree child = ctx.getChild(i);
- if (child instanceof Value_stmtContext) {
- String valueStr = stringFromNode(child);
- value = Integer.valueOf(valueStr);
- } else if (child instanceof Description_stmtContext) {
- description = stringFromNode(child);
- } else if (child instanceof Reference_stmtContext) {
- reference = stringFromNode(child);
- } else if (child instanceof Status_stmtContext) {
- status = parseStatus((Status_stmtContext) child);
- }
- }
-
- if (value == null) {
- value = highestValue + 1;
- }
- if (value < -2147483648 || value > 2147483647) {
- throw new YangParseException(
- "Error on enum '"
- + name
- + "': the enum value MUST be in the range from -2147483648 to 2147483647, but was: "
- + value);
- }
-
- EnumPairImpl result = new EnumPairImpl();
- result.qname = qname;
- result.path = createActualSchemaPath(enumPairPath, namespace, revision,
- prefix);
- result.description = description;
- result.reference = reference;
- result.status = status;
- result.name = name;
- result.value = value;
- return result;
- }
-
- /**
- * Internal implementation of EnumPair.
- */
- private static class EnumPairImpl implements EnumTypeDefinition.EnumPair {
- private QName qname;
- private SchemaPath path;
- private String description;
- private String reference;
- private Status status;
- private List<UnknownSchemaNode> extensionSchemaNodes = Collections
- .emptyList();
- private String name;
- private Integer value;
-
- @Override
- public QName getQName() {
- return qname;
- }
-
- @Override
- public SchemaPath getPath() {
- return path;
- }
-
- @Override
- public String getDescription() {
- return description;
- }
-
- @Override
- public String getReference() {
- return reference;
- }
-
- @Override
- public Status getStatus() {
- return status;
- }
-
- @Override
- public List<UnknownSchemaNode> getUnknownSchemaNodes() {
- return extensionSchemaNodes;
- }
-
- @Override
- public String getName() {
- return name;
- }
-
- @Override
- public Integer getValue() {
- return value;
- }
-
- @Override
- public int hashCode() {
- final int prime = 31;
- int result = 1;
- result = prime * result + ((qname == null) ? 0 : qname.hashCode());
- result = prime * result + ((path == null) ? 0 : path.hashCode());
- result = prime
- * result
- + ((extensionSchemaNodes == null) ? 0
- : extensionSchemaNodes.hashCode());
- result = prime * result + ((name == null) ? 0 : name.hashCode());
- result = prime * result + ((value == null) ? 0 : value.hashCode());
- return result;
- }
-
- @Override
- public boolean equals(Object obj) {
- if (this == obj) {
- return true;
- }
- if (obj == null) {
- return false;
- }
- if (getClass() != obj.getClass()) {
- return false;
- }
- EnumPairImpl other = (EnumPairImpl) obj;
- if (qname == null) {
- if (other.qname != null) {
- return false;
- }
- } else if (!qname.equals(other.qname)) {
- return false;
- }
- if (path == null) {
- if (other.path != null) {
- return false;
- }
- } else if (!path.equals(other.path)) {
- return false;
- }
- if (extensionSchemaNodes == null) {
- if (other.extensionSchemaNodes != null) {
- return false;
- }
- } else if (!extensionSchemaNodes.equals(other.extensionSchemaNodes)) {
- return false;
- }
- if (name == null) {
- if (other.name != null) {
- return false;
- }
- } else if (!name.equals(other.name)) {
- return false;
- }
- if (value == null) {
- if (other.value != null) {
- return false;
- }
- } else if (!value.equals(other.value)) {
- return false;
- }
- return true;
- }
-
- @Override
- public String toString() {
- return EnumTypeDefinition.EnumPair.class.getSimpleName() + "[name="
- + name + ", value=" + value + "]";
- }
- }
-
- /**
- * Get and parse range from given type body context.
- *
- * @param ctx
- * type body context to parse
- * @return List of RangeConstraint created from this context
- */
- private static List<RangeConstraint> getRangeConstraints(
- final Type_body_stmtsContext ctx) {
- List<RangeConstraint> rangeConstraints = Collections.emptyList();
- outer: for (int j = 0; j < ctx.getChildCount(); j++) {
- ParseTree numRestrChild = ctx.getChild(j);
- if (numRestrChild instanceof Numerical_restrictionsContext) {
- for (int k = 0; k < numRestrChild.getChildCount(); k++) {
- ParseTree rangeChild = numRestrChild.getChild(k);
- if (rangeChild instanceof Range_stmtContext) {
- rangeConstraints = parseRangeConstraints((Range_stmtContext) rangeChild);
- break outer;
- }
- }
- }
- }
- return rangeConstraints;
- }
-
- /**
- * Parse given range context.
- *
- * @param ctx
- * range context to parse
- * @return List of RangeConstraints parsed from this context
- */
- private static List<RangeConstraint> parseRangeConstraints(
- final Range_stmtContext ctx) {
- final int line = ctx.getStart().getLine();
- List<RangeConstraint> rangeConstraints = new ArrayList<RangeConstraint>();
- String description = null;
- String reference = null;
-
- for (int i = 0; i < ctx.getChildCount(); i++) {
- ParseTree child = ctx.getChild(i);
- if (child instanceof Description_stmtContext) {
- description = stringFromNode(child);
- } else if (child instanceof Reference_stmtContext) {
- reference = stringFromNode(child);
- }
- }
-
- String rangeStr = stringFromNode(ctx);
- String trimmed = rangeStr.replace(" ", "");
- String[] splittedRange = trimmed.split("\\|");
- for (String rangeDef : splittedRange) {
- String[] splittedRangeDef = rangeDef.split("\\.\\.");
- Number min;
- Number max;
- if (splittedRangeDef.length == 1) {
- min = max = parseNumberConstraintValue(splittedRangeDef[0],
- line);
- } else {
- min = parseNumberConstraintValue(splittedRangeDef[0], line);
- max = parseNumberConstraintValue(splittedRangeDef[1], line);
- }
- RangeConstraint range = BaseConstraints.rangeConstraint(min, max,
- description, reference);
- rangeConstraints.add(range);
- }
-
- return rangeConstraints;
- }
-
- /**
- * Get and parse length from given type body context.
- *
- * @param ctx
- * type body context to parse
- * @return List of LengthConstraint created from this context
- */
- private static List<LengthConstraint> getLengthConstraints(
- final Type_body_stmtsContext ctx) {
- List<LengthConstraint> lengthConstraints = Collections.emptyList();
- outer: for (int j = 0; j < ctx.getChildCount(); j++) {
- ParseTree stringRestrChild = ctx.getChild(j);
- if (stringRestrChild instanceof String_restrictionsContext) {
- for (int k = 0; k < stringRestrChild.getChildCount(); k++) {
- ParseTree lengthChild = stringRestrChild.getChild(k);
- if (lengthChild instanceof Length_stmtContext) {
- lengthConstraints = parseLengthConstraints((Length_stmtContext) lengthChild);
- break outer;
- }
- }
- }
- }
- return lengthConstraints;
- }
-
- /**
- * Parse given length context.
- *
- * @param ctx
- * length context to parse
- * @return List of LengthConstraints parsed from this context
- */
- private static List<LengthConstraint> parseLengthConstraints(
- final Length_stmtContext ctx) {
- final int line = ctx.getStart().getLine();
- List<LengthConstraint> lengthConstraints = new ArrayList<LengthConstraint>();
- String description = null;
- String reference = null;
-
- for (int i = 0; i < ctx.getChildCount(); i++) {
- ParseTree child = ctx.getChild(i);
- if (child instanceof Description_stmtContext) {
- description = stringFromNode(child);
- } else if (child instanceof Reference_stmtContext) {
- reference = stringFromNode(child);
- }
- }
-
- String lengthStr = stringFromNode(ctx);
- String trimmed = lengthStr.replace(" ", "");
- String[] splittedRange = trimmed.split("\\|");
- for (String rangeDef : splittedRange) {
- String[] splittedRangeDef = rangeDef.split("\\.\\.");
- Number min;
- Number max;
- if (splittedRangeDef.length == 1) {
- min = max = parseNumberConstraintValue(splittedRangeDef[0],
- line);
- } else {
- min = parseNumberConstraintValue(splittedRangeDef[0], line);
- max = parseNumberConstraintValue(splittedRangeDef[1], line);
- }
- LengthConstraint range = BaseConstraints.lengthConstraint(min, max,
- description, reference);
- lengthConstraints.add(range);
- }
-
- return lengthConstraints;
- }
-
- /**
- * @param value
- * value to parse
- * @return wrapper object of primitive java type or UnknownBoundaryNumber if
- * type is one of special YANG values 'min' or 'max'
- */
- private static Number parseNumberConstraintValue(final String value,
- final int line) {
- Number result = null;
- if ("min".equals(value) || "max".equals(value)) {
- result = new UnknownBoundaryNumber(value);
- } else {
- try {
- result = Long.valueOf(value);
- } catch (NumberFormatException e) {
- throw new YangParseException("Error on line " + line
- + ": Unable to parse range value '" + value + "'.", e);
- }
- }
- return result;
- }
-
- private static List<PatternConstraint> getPatternConstraint(
- final Type_body_stmtsContext ctx) {
- List<PatternConstraint> patterns = new ArrayList<PatternConstraint>();
-
- outer: for (int j = 0; j < ctx.getChildCount(); j++) {
- ParseTree stringRestrChild = ctx.getChild(j);
- if (stringRestrChild instanceof String_restrictionsContext) {
- for (int k = 0; k < stringRestrChild.getChildCount(); k++) {
- ParseTree lengthChild = stringRestrChild.getChild(k);
- if (lengthChild instanceof Pattern_stmtContext) {
- patterns.add(parsePatternConstraint((Pattern_stmtContext) lengthChild));
- if (k == lengthChild.getChildCount() - 1) {
- break outer;
- }
- }
- }
- }
- }
- return patterns;
- }
-
- /**
- * Internal helper method.
- *
- * @param ctx
- * pattern context
- * @return PatternConstraint object
- */
- private static PatternConstraint parsePatternConstraint(
- final Pattern_stmtContext ctx) {
- String description = null;
- String reference = null;
- for (int i = 0; i < ctx.getChildCount(); i++) {
- ParseTree child = ctx.getChild(i);
- if (child instanceof Description_stmtContext) {
- description = stringFromNode(child);
- } else if (child instanceof Reference_stmtContext) {
- reference = stringFromNode(child);
- }
- }
- String pattern = patternStringFromNode(ctx);
- return BaseConstraints.patternConstraint(pattern, description,
- reference);
- }
-
- /**
- * Parse given context and return pattern value.
- *
- * @param ctx
- * context to parse
- * @return pattern value as String
- */
- public static String patternStringFromNode(final Pattern_stmtContext ctx) {
- StringBuilder result = new StringBuilder();
- for (int i = 0; i < ctx.getChildCount(); ++i) {
- ParseTree child = ctx.getChild(i);
- if (child instanceof StringContext) {
- for (int j = 0; j < child.getChildCount(); j++) {
- if (j % 2 == 0) {
- String patternToken = child.getChild(j).getText();
- result.append(patternToken.substring(1,
- patternToken.length() - 1));
- }
- }
- }
- }
- return result.toString();
- }
-
- /**
- * Get fraction digits value from context.
- *
- * @param ctx
- * type body context to parse
- * @return 'fraction-digits' value if present in given context, null
- * otherwise
- */
- private static Integer getFractionDigits(Type_body_stmtsContext ctx) {
- Integer result = null;
- for (int j = 0; j < ctx.getChildCount(); j++) {
- ParseTree dec64specChild = ctx.getChild(j);
- if (dec64specChild instanceof Decimal64_specificationContext) {
- result = parseFractionDigits((Decimal64_specificationContext) dec64specChild);
- }
- }
- return result;
- }
-
- private static Integer parseFractionDigits(
- Decimal64_specificationContext ctx) {
- Integer result = null;
- for (int k = 0; k < ctx.getChildCount(); k++) {
- ParseTree fdChild = ctx.getChild(k);
- if (fdChild instanceof Fraction_digits_stmtContext) {
- String value = stringFromNode(fdChild);
- try {
- result = Integer.valueOf(value);
- } catch (NumberFormatException e) {
- throw new YangParseException(
- "Unable to parse fraction digits value '" + value
- + "'.", e);
- }
- }
- }
- return result;
- }
-
- /**
- * Internal helper method for parsing bit statements from given type body
- * context.
- *
- * @param ctx
- * type body context to parse
- * @param actualPath
- * current position in YANG model
- * @param namespace
- * @param revision
- * @param prefix
- * @return List of Bit objects created from this context
- */
- private static List<BitsTypeDefinition.Bit> getBits(
- Type_body_stmtsContext ctx, List<String> actualPath, URI namespace,
- Date revision, String prefix) {
- final List<BitsTypeDefinition.Bit> bits = new ArrayList<BitsTypeDefinition.Bit>();
- for (int j = 0; j < ctx.getChildCount(); j++) {
- ParseTree bitsSpecChild = ctx.getChild(j);
- if (bitsSpecChild instanceof Bits_specificationContext) {
- long highestPosition = -1;
- for (int k = 0; k < bitsSpecChild.getChildCount(); k++) {
- ParseTree bitChild = bitsSpecChild.getChild(k);
- if (bitChild instanceof Bit_stmtContext) {
- Bit bit = parseBit((Bit_stmtContext) bitChild,
- highestPosition, actualPath, namespace,
- revision, prefix);
- if (bit.getPosition() > highestPosition) {
- highestPosition = bit.getPosition();
- }
- bits.add(bit);
- }
- }
- }
- }
- return bits;
- }
-
- /**
- * Internal helper method for parsing bit context.
- *
- * @param ctx
- * bit statement context to parse
- * @param highestPosition
- * current highest position in bits type
- * @param actualPath
- * current position in YANG model
- * @param namespace
- * @param revision
- * @param prefix
- * @return Bit object parsed from this context
- */
- private static BitsTypeDefinition.Bit parseBit(final Bit_stmtContext ctx,
- long highestPosition, List<String> actualPath, final URI namespace,
- final Date revision, final String prefix) {
- String name = stringFromNode(ctx);
- final QName qname = new QName(namespace, revision, prefix, name);
- Long position = null;
-
- String description = null;
- String reference = null;
- Status status = Status.CURRENT;
-
- Stack<String> bitPath = new Stack<String>();
- bitPath.addAll(actualPath);
- bitPath.add(name);
-
- SchemaPath schemaPath = createActualSchemaPath(bitPath, namespace,
- revision, prefix);
-
- for (int i = 0; i < ctx.getChildCount(); i++) {
- ParseTree child = ctx.getChild(i);
- if (child instanceof Position_stmtContext) {
- String positionStr = stringFromNode(child);
- position = Long.valueOf(positionStr);
- } else if (child instanceof Description_stmtContext) {
- description = stringFromNode(child);
- } else if (child instanceof Reference_stmtContext) {
- reference = stringFromNode(child);
- } else if (child instanceof Status_stmtContext) {
- status = parseStatus((Status_stmtContext) child);
- }
- }
-
- if (position == null) {
- position = highestPosition + 1;
- }
- if (position < 0 || position > 4294967295L) {
- throw new YangParseException(
- "Error on bit '"
- + name
- + "': the position value MUST be in the range 0 to 4294967295");
- }
-
- final List<UnknownSchemaNode> unknownNodes = Collections.emptyList();
- return new BitImpl(position, qname, schemaPath, description, reference,
- status, unknownNodes);
- }
-
- /**
- * Parse orderedby statement.
- *
- * @param childNode
- * Ordered_by_stmtContext
- * @return true, if orderedby contains value 'user' or false otherwise
- */
- public static boolean parseUserOrdered(Ordered_by_stmtContext childNode) {
- boolean result = false;
- for (int j = 0; j < childNode.getChildCount(); j++) {
- ParseTree orderArg = childNode.getChild(j);
- if (orderArg instanceof Ordered_by_argContext) {
- String orderStr = stringFromNode(orderArg);
- if ("system".equals(orderStr)) {
- result = false;
- } else if ("user".equals(orderStr)) {
- result = true;
- } else {
- logger.warn("Invalid 'orderedby' statement.");
- }
- }
- }
- return result;
- }
-
- /**
- * Parse given config context and return true if it contains string 'true',
- * false otherwise.
- *
- * @param ctx
- * config context to parse.
- * @return true if given context contains string 'true', false otherwise
- */
- public static boolean parseConfig(final Config_stmtContext ctx) {
- boolean result = false;
- if (ctx != null) {
- for (int i = 0; i < ctx.getChildCount(); ++i) {
- final ParseTree configContext = ctx.getChild(i);
- if (configContext instanceof Config_argContext) {
- final String value = stringFromNode(configContext);
- if ("true".equals(value)) {
- result = true;
- break;
- }
- }
- }
- }
- return result;
- }
-
- /**
- * Parse given type body and creates UnknownType definition.
- *
- * @param typedefQName
- * qname of current type
- * @param ctx
- * type body
- * @return UnknownType object with constraints from parsed type body
- */
- public static TypeDefinition<?> parseUnknownTypeBody(QName typedefQName,
- Type_body_stmtsContext ctx) {
- UnknownType.Builder unknownType = new UnknownType.Builder(typedefQName);
-
- if (ctx != null) {
- List<RangeConstraint> rangeStatements = getRangeConstraints(ctx);
- List<LengthConstraint> lengthStatements = getLengthConstraints(ctx);
- List<PatternConstraint> patternStatements = getPatternConstraint(ctx);
- Integer fractionDigits = getFractionDigits(ctx);
-
- unknownType.rangeStatements(rangeStatements);
- unknownType.lengthStatements(lengthStatements);
- unknownType.patterns(patternStatements);
- unknownType.fractionDigits(fractionDigits);
- }
-
- return unknownType.build();
- }
-
- /**
- * Create TypeDefinition object based on given type name and type body.
- *
- * @param typeName
- * name of type
- * @param typeBody
- * type body
- * @param actualPath
- * current path in schema
- * @param namespace
- * current namespace
- * @param revision
- * current revision
- * @param prefix
- * current prefix
- * @return TypeDefinition object based on parsed values.
- */
- public static TypeDefinition<?> parseTypeBody(final String typeName,
- final Type_body_stmtsContext typeBody,
- final List<String> actualPath, final URI namespace,
- final Date revision, final String prefix) {
- TypeDefinition<?> type = null;
-
- List<RangeConstraint> rangeStatements = getRangeConstraints(typeBody);
- Integer fractionDigits = getFractionDigits(typeBody);
- List<LengthConstraint> lengthStatements = getLengthConstraints(typeBody);
- List<PatternConstraint> patternStatements = getPatternConstraint(typeBody);
- List<EnumTypeDefinition.EnumPair> enumConstants = getEnumConstants(
- typeBody, actualPath, namespace, revision, prefix);
-
- if ("decimal64".equals(typeName)) {
- type = new Decimal64(actualPath, namespace, revision,
- fractionDigits);
- } else if (typeName.startsWith("int")) {
- if (typeName.equals("int8")) {
- type = new Int8(actualPath, namespace, revision,
- rangeStatements, null, null);
- } else if (typeName.equals("int16")) {
- type = new Int16(actualPath, namespace, revision,
- rangeStatements, null, null);
- } else if (typeName.equals("int32")) {
- type = new Int32(actualPath, namespace, revision,
- rangeStatements, null, null);
- } else if (typeName.equals("int64")) {
- type = new Int64(actualPath, namespace, revision,
- rangeStatements, null, null);
- }
- } else if (typeName.startsWith("uint")) {
- if (typeName.equals("uint8")) {
- type = new Uint8(actualPath, namespace, revision,
- rangeStatements, null, null);
- } else if (typeName.equals("uint16")) {
- type = new Uint16(actualPath, namespace, revision,
- rangeStatements, null, null);
- } else if (typeName.equals("uint32")) {
- type = new Uint32(actualPath, namespace, revision,
- rangeStatements, null, null);
- } else if (typeName.equals("uint64")) {
- type = new Uint64(actualPath, namespace, revision,
- rangeStatements, null, null);
- }
- } else if ("enumeration".equals(typeName)) {
- type = new EnumerationType(actualPath, namespace, revision,
- enumConstants);
- } else if ("string".equals(typeName)) {
- type = new StringType(actualPath, namespace, revision,
- lengthStatements, patternStatements);
- } else if ("bits".equals(typeName)) {
- type = new BitsType(actualPath, namespace, revision, getBits(
- typeBody, actualPath, namespace, revision, prefix));
- } else if ("leafref".equals(typeName)) {
- final String path = parseLeafrefPath(typeBody);
- final boolean absolute = path.startsWith("/");
- RevisionAwareXPath xpath = new RevisionAwareXPathImpl(path,
- absolute);
- type = new Leafref(actualPath, namespace, revision, xpath);
- } else if ("binary".equals(typeName)) {
- List<Byte> bytes = Collections.emptyList();
- type = new BinaryType(actualPath, namespace, revision, bytes,
- lengthStatements, null);
- } else if ("instance-identifier".equals(typeName)) {
- boolean requireInstance = isRequireInstance(typeBody);
- type = new InstanceIdentifier(actualPath, namespace, revision,
- null, requireInstance);
- }
- return type;
- }
-
- public static String getIdentityrefBase(Type_body_stmtsContext ctx) {
- String result = null;
- outer: for (int i = 0; i < ctx.getChildCount(); i++) {
- ParseTree child = ctx.getChild(i);
- if (child instanceof Identityref_specificationContext) {
- for (int j = 0; j < child.getChildCount(); j++) {
- ParseTree baseArg = child.getChild(j);
- if (baseArg instanceof Base_stmtContext) {
- result = stringFromNode(baseArg);
- break outer;
- }
- }
- }
- }
- return result;
- }
-
- private static boolean isRequireInstance(Type_body_stmtsContext ctx) {
- for (int i = 0; i < ctx.getChildCount(); i++) {
- ParseTree child = ctx.getChild(i);
- if (child instanceof Require_instance_stmtContext) {
- for (int j = 0; j < child.getChildCount(); j++) {
- ParseTree reqArg = child.getChild(j);
- if (reqArg instanceof Require_instance_argContext) {
- return Boolean.valueOf(stringFromNode(reqArg));
- }
- }
- }
- }
- return false;
- }
-
- private static String parseLeafrefPath(Type_body_stmtsContext ctx) {
- for (int i = 0; i < ctx.getChildCount(); i++) {
- ParseTree child = ctx.getChild(i);
- if (child instanceof Leafref_specificationContext) {
- for (int j = 0; j < child.getChildCount(); j++) {
- ParseTree leafRefSpec = child.getChild(j);
- if (leafRefSpec instanceof Path_stmtContext) {
- return stringFromNode(leafRefSpec);
- }
- }
- }
- }
- return null;
- }
-
- /**
- * Internal helper method for parsing Must_stmtContext.
- *
- * @param ctx
- * Must_stmtContext
- * @return MustDefinition object based on parsed context
- */
- public static MustDefinition parseMust(final YangParser.Must_stmtContext ctx) {
- StringBuilder mustText = new StringBuilder();
- String description = null;
- String reference = null;
- String errorAppTag = null;
- String errorMessage = null;
- for (int i = 0; i < ctx.getChildCount(); ++i) {
- ParseTree child = ctx.getChild(i);
- if (child instanceof StringContext) {
- final StringContext context = (StringContext) child;
- if (context.getChildCount() == 1) {
- String mustPart = context.getChild(0).getText();
- // trim start and end quotation
- mustText.append(mustPart.substring(1, mustPart.length() - 1));
- } else {
- for (int j = 0; j < context.getChildCount(); j++) {
- String mustPart = context.getChild(j).getText();
- if (j == 0) {
- mustText.append(mustPart.substring(0,
- mustPart.length() - 1));
- continue;
- }
- if (j % 2 == 0) {
- mustText.append(mustPart.substring(1));
- }
- }
- }
- } else if (child instanceof Description_stmtContext) {
- description = stringFromNode(child);
- } else if (child instanceof Reference_stmtContext) {
- reference = stringFromNode(child);
- } else if (child instanceof Error_app_tag_stmtContext) {
- errorAppTag = stringFromNode(child);
- } else if (child instanceof Error_message_stmtContext) {
- errorMessage = stringFromNode(child);
- }
- }
-
- MustDefinition must = new MustDefinitionImpl(mustText.toString(),
- description, reference, errorAppTag, errorMessage);
- return must;
- }
-
- /**
- * Parse given tree and set constraints to given builder.
- *
- * @param ctx
- * context to search
- * @param constraints
- * ConstraintsBuilder to fill
- */
- public static void parseConstraints(final ParseTree ctx,
- final ConstraintsBuilder constraints) {
- for (int i = 0; i < ctx.getChildCount(); ++i) {
- final ParseTree childNode = ctx.getChild(i);
- if (childNode instanceof Max_elements_stmtContext) {
- Integer max = Integer.valueOf(stringFromNode(childNode));
- constraints.setMinElements(max);
- } else if (childNode instanceof Min_elements_stmtContext) {
- Integer min = Integer.valueOf(stringFromNode(childNode));
- constraints.setMinElements(min);
- } else if (childNode instanceof Must_stmtContext) {
- MustDefinition must = parseMust((Must_stmtContext) childNode);
- constraints.addMustDefinition(must);
- } else if (childNode instanceof Mandatory_stmtContext) {
- for (int j = 0; j < childNode.getChildCount(); j++) {
- ParseTree mandatoryTree = ctx.getChild(j);
- if (mandatoryTree instanceof Mandatory_argContext) {
- Boolean mandatory = Boolean
- .valueOf(stringFromNode(mandatoryTree));
- constraints.setMandatory(mandatory);
- }
- }
- } else if (childNode instanceof When_stmtContext) {
- constraints.addWhenCondition(stringFromNode(childNode));
- }
- }
- }
-
- /**
- * Parse given context and return yin value.
- *
- * @param ctx
- * context to parse
- * @return true if value is 'true', false otherwise
- */
- public static boolean parseYinValue(Argument_stmtContext ctx) {
- boolean yinValue = false;
- outer: for (int j = 0; j < ctx.getChildCount(); j++) {
- ParseTree yin = ctx.getChild(j);
- if (yin instanceof Yin_element_stmtContext) {
- for (int k = 0; k < yin.getChildCount(); k++) {
- ParseTree yinArg = yin.getChild(k);
- if (yinArg instanceof Yin_element_argContext) {
- String yinString = stringFromNode(yinArg);
- if ("true".equals(yinString)) {
- yinValue = true;
- break outer;
- }
- }
- }
- }
- }
- return yinValue;
- }
-
- /**
- * Check this base type.
- *
- * @param typeName
- * base YANG type name
- * @param moduleName
- * name of current module
- * @param line
- * line in module
- * @throws YangParseException
- * if this is one of YANG type which MUST contain additional
- * informations in its body
- */
- public static void checkMissingBody(final String typeName,
- final String moduleName, final int line) throws YangParseException {
- if ("decimal64".equals(typeName)) {
- throw new YangParseException(moduleName, line,
- "The 'fraction-digits' statement MUST be present if the type is 'decimal64'.");
- } else if ("identityref".equals(typeName)) {
- throw new YangParseException(moduleName, line,
- "The 'base' statement MUST be present if the type is 'identityref'.");
- } else if ("leafref".equals(typeName)) {
- throw new YangParseException(moduleName, line,
- "The 'path' statement MUST be present if the type is 'leafref'.");
- } else if("bits".equals(typeName)) {
- throw new YangParseException(moduleName, line,
- "The 'bit' statement MUST be present if the type is 'bits'.");
- } else if("enumeration".equals(typeName)) {
- throw new YangParseException(moduleName, line,
- "The 'enum' statement MUST be present if the type is 'enumeration'.");
- }
- }
-
- public static RefineHolder parseRefine(Refine_stmtContext child) {
- final String refineTarget = stringFromNode(child);
- final RefineHolder refine = new RefineHolder(refineTarget, child
- .getStart().getLine());
- for (int j = 0; j < child.getChildCount(); j++) {
- ParseTree refinePom = child.getChild(j);
- if (refinePom instanceof Refine_pomContext) {
- for (int k = 0; k < refinePom.getChildCount(); k++) {
- ParseTree refineStmt = refinePom.getChild(k);
- if (refineStmt instanceof Refine_leaf_stmtsContext) {
- parseRefine(refine,
- (Refine_leaf_stmtsContext) refineStmt);
- } else if (refineStmt instanceof Refine_container_stmtsContext) {
- parseRefine(refine,
- (Refine_container_stmtsContext) refineStmt);
- } else if (refineStmt instanceof Refine_list_stmtsContext) {
- parseRefine(refine,
- (Refine_list_stmtsContext) refineStmt);
- } else if (refineStmt instanceof Refine_leaf_list_stmtsContext) {
- parseRefine(refine,
- (Refine_leaf_list_stmtsContext) refineStmt);
- } else if (refineStmt instanceof Refine_choice_stmtsContext) {
- parseRefine(refine,
- (Refine_choice_stmtsContext) refineStmt);
- } else if (refineStmt instanceof Refine_anyxml_stmtsContext) {
- parseRefine(refine,
- (Refine_anyxml_stmtsContext) refineStmt);
- }
- }
- }
- }
- return refine;
- }
-
- private static RefineHolder parseRefine(RefineHolder refine,
- Refine_leaf_stmtsContext refineStmt) {
- for (int i = 0; i < refineStmt.getChildCount(); i++) {
- ParseTree refineArg = refineStmt.getChild(i);
- if (refineArg instanceof Default_stmtContext) {
- String defaultStr = stringFromNode(refineArg);
- refine.setDefaultStr(defaultStr);
- } else if (refineArg instanceof Mandatory_stmtContext) {
- for (int j = 0; j < refineArg.getChildCount(); j++) {
- ParseTree mandatoryTree = refineArg.getChild(j);
- if (mandatoryTree instanceof Mandatory_argContext) {
- Boolean mandatory = Boolean
- .valueOf(stringFromNode(mandatoryTree));
- refine.setMandatory(mandatory);
- }
- }
- } else if (refineArg instanceof Must_stmtContext) {
- MustDefinition must = parseMust((Must_stmtContext) refineArg);
- refine.setMust(must);
-
- }
- }
- return refine;
- }
-
- private static RefineHolder parseRefine(RefineHolder refine,
- Refine_container_stmtsContext refineStmt) {
- for (int m = 0; m < refineStmt.getChildCount(); m++) {
- ParseTree refineArg = refineStmt.getChild(m);
- if (refineArg instanceof Must_stmtContext) {
- MustDefinition must = parseMust((Must_stmtContext) refineArg);
- refine.setMust(must);
- } else if (refineArg instanceof Presence_stmtContext) {
- refine.setPresence(true);
- }
- }
- return refine;
- }
-
- private static RefineHolder parseRefine(RefineHolder refine,
- Refine_list_stmtsContext refineStmt) {
- for (int m = 0; m < refineStmt.getChildCount(); m++) {
- ParseTree refineArg = refineStmt.getChild(m);
- if (refineArg instanceof Must_stmtContext) {
- MustDefinition must = parseMust((Must_stmtContext) refineArg);
- refine.setMust(must);
- } else if (refineArg instanceof Max_elements_stmtContext) {
- Integer max = Integer.valueOf(stringFromNode(refineArg));
- refine.setMinElements(max);
- } else if (refineArg instanceof Min_elements_stmtContext) {
- Integer min = Integer.valueOf(stringFromNode(refineArg));
- refine.setMinElements(min);
- }
- }
- return refine;
- }
-
- private static RefineHolder parseRefine(RefineHolder refine,
- Refine_leaf_list_stmtsContext refineStmt) {
- for (int m = 0; m < refineStmt.getChildCount(); m++) {
- ParseTree refineArg = refineStmt.getChild(m);
- if (refineArg instanceof Must_stmtContext) {
- MustDefinition must = parseMust((Must_stmtContext) refineArg);
- refine.setMust(must);
- } else if (refineArg instanceof Max_elements_stmtContext) {
- Integer max = Integer.valueOf(stringFromNode(refineArg));
- refine.setMinElements(max);
- } else if (refineArg instanceof Min_elements_stmtContext) {
- Integer min = Integer.valueOf(stringFromNode(refineArg));
- refine.setMinElements(min);
- }
- }
- return refine;
- }
-
- private static RefineHolder parseRefine(RefineHolder refine,
- Refine_choice_stmtsContext refineStmt) {
- for (int i = 0; i < refineStmt.getChildCount(); i++) {
- ParseTree refineArg = refineStmt.getChild(i);
- if (refineArg instanceof Default_stmtContext) {
- String defaultStr = stringFromNode(refineArg);
- refine.setDefaultStr(defaultStr);
- } else if (refineArg instanceof Mandatory_stmtContext) {
- for (int j = 0; j < refineArg.getChildCount(); j++) {
- ParseTree mandatoryTree = refineArg.getChild(j);
- if (mandatoryTree instanceof Mandatory_argContext) {
- Boolean mandatory = Boolean
- .valueOf(stringFromNode(mandatoryTree));
- refine.setMandatory(mandatory);
- }
- }
- }
- }
- return refine;
- }
-
- private static RefineHolder parseRefine(RefineHolder refine,
- Refine_anyxml_stmtsContext refineStmt) {
- for (int i = 0; i < refineStmt.getChildCount(); i++) {
- ParseTree refineArg = refineStmt.getChild(i);
- if (refineArg instanceof Must_stmtContext) {
- MustDefinition must = parseMust((Must_stmtContext) refineArg);
- refine.setMust(must);
- } else if (refineArg instanceof Mandatory_stmtContext) {
- for (int j = 0; j < refineArg.getChildCount(); j++) {
- ParseTree mandatoryTree = refineArg.getChild(j);
- if (mandatoryTree instanceof Mandatory_argContext) {
- Boolean mandatory = Boolean
- .valueOf(stringFromNode(mandatoryTree));
- refine.setMandatory(mandatory);
- }
- }
- }
- }
- return refine;
- }
-
-}