2 * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.yangtools.yang.parser.impl;
10 import static com.google.common.base.Preconditions.checkNotNull;
11 import static org.opendaylight.yangtools.yang.parser.builder.impl.BuilderUtils.fillAugmentTarget;
12 import static org.opendaylight.yangtools.yang.parser.builder.impl.BuilderUtils.findBaseIdentity;
13 import static org.opendaylight.yangtools.yang.parser.builder.impl.BuilderUtils.findModuleFromContext;
14 import static org.opendaylight.yangtools.yang.parser.builder.impl.BuilderUtils.findSchemaNodeInModule;
15 import static org.opendaylight.yangtools.yang.parser.builder.impl.BuilderUtils.findTargetNode;
16 import static org.opendaylight.yangtools.yang.parser.builder.impl.BuilderUtils.processAugmentation;
17 import static org.opendaylight.yangtools.yang.parser.builder.impl.TypeUtils.resolveType;
18 import static org.opendaylight.yangtools.yang.parser.builder.impl.TypeUtils.resolveTypeUnion;
19 import com.google.common.base.Optional;
20 import com.google.common.base.Preconditions;
21 import com.google.common.collect.HashBiMap;
22 import com.google.common.io.ByteSource;
24 import java.io.IOException;
25 import java.io.InputStream;
27 import java.util.ArrayList;
28 import java.util.Collection;
29 import java.util.Collections;
30 import java.util.Date;
31 import java.util.HashMap;
32 import java.util.HashSet;
33 import java.util.LinkedHashMap;
34 import java.util.LinkedHashSet;
35 import java.util.List;
37 import java.util.NavigableMap;
39 import java.util.TreeMap;
40 import javax.annotation.concurrent.Immutable;
41 import org.antlr.v4.runtime.ANTLRInputStream;
42 import org.antlr.v4.runtime.CommonTokenStream;
43 import org.antlr.v4.runtime.tree.ParseTree;
44 import org.antlr.v4.runtime.tree.ParseTreeWalker;
45 import org.opendaylight.yangtools.antlrv4.code.gen.YangLexer;
46 import org.opendaylight.yangtools.antlrv4.code.gen.YangParser;
47 import org.opendaylight.yangtools.antlrv4.code.gen.YangParser.YangContext;
48 import org.opendaylight.yangtools.yang.common.QName;
49 import org.opendaylight.yangtools.yang.common.QNameModule;
50 import org.opendaylight.yangtools.yang.model.api.ChoiceCaseNode;
51 import org.opendaylight.yangtools.yang.model.api.ChoiceSchemaNode;
52 import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
53 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
54 import org.opendaylight.yangtools.yang.model.api.ExtensionDefinition;
55 import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
56 import org.opendaylight.yangtools.yang.model.api.Module;
57 import org.opendaylight.yangtools.yang.model.api.ModuleIdentifier;
58 import org.opendaylight.yangtools.yang.model.api.ModuleImport;
59 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
60 import org.opendaylight.yangtools.yang.model.api.SchemaNode;
61 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
62 import org.opendaylight.yangtools.yang.model.parser.api.YangContextParser;
63 import org.opendaylight.yangtools.yang.model.parser.api.YangSyntaxErrorException;
64 import org.opendaylight.yangtools.yang.parser.builder.api.AugmentationSchemaBuilder;
65 import org.opendaylight.yangtools.yang.parser.builder.api.AugmentationTargetBuilder;
66 import org.opendaylight.yangtools.yang.parser.builder.api.Builder;
67 import org.opendaylight.yangtools.yang.parser.builder.api.DataNodeContainerBuilder;
68 import org.opendaylight.yangtools.yang.parser.builder.api.DataSchemaNodeBuilder;
69 import org.opendaylight.yangtools.yang.parser.builder.api.ExtensionBuilder;
70 import org.opendaylight.yangtools.yang.parser.builder.api.GroupingBuilder;
71 import org.opendaylight.yangtools.yang.parser.builder.api.SchemaNodeBuilder;
72 import org.opendaylight.yangtools.yang.parser.builder.api.TypeAwareBuilder;
73 import org.opendaylight.yangtools.yang.parser.builder.api.UnknownSchemaNodeBuilder;
74 import org.opendaylight.yangtools.yang.parser.builder.api.UsesNodeBuilder;
75 import org.opendaylight.yangtools.yang.parser.builder.impl.BuilderUtils;
76 import org.opendaylight.yangtools.yang.parser.builder.impl.ChoiceBuilder;
77 import org.opendaylight.yangtools.yang.parser.builder.impl.ChoiceCaseBuilder;
78 import org.opendaylight.yangtools.yang.parser.builder.impl.GroupingUtils;
79 import org.opendaylight.yangtools.yang.parser.builder.impl.IdentitySchemaNodeBuilder;
80 import org.opendaylight.yangtools.yang.parser.builder.impl.IdentityrefTypeBuilder;
81 import org.opendaylight.yangtools.yang.parser.builder.impl.ModuleBuilder;
82 import org.opendaylight.yangtools.yang.parser.builder.impl.ModuleImpl;
83 import org.opendaylight.yangtools.yang.parser.builder.impl.UnionTypeBuilder;
84 import org.opendaylight.yangtools.yang.parser.builder.util.Comparators;
85 import org.opendaylight.yangtools.yang.parser.util.ModuleDependencySort;
86 import org.opendaylight.yangtools.yang.parser.util.NamedByteArrayInputStream;
87 import org.opendaylight.yangtools.yang.parser.util.NamedFileInputStream;
88 import org.opendaylight.yangtools.yang.parser.util.NamedInputStream;
89 import org.opendaylight.yangtools.yang.parser.util.YangParseException;
90 import org.slf4j.Logger;
91 import org.slf4j.LoggerFactory;
94 * @deprecated Pre-Beryllium implementation, scheduled for removal.
98 public final class YangParserImpl implements YangContextParser {
99 private static final Logger LOG = LoggerFactory.getLogger(YangParserImpl.class);
100 private static final YangParserImpl INSTANCE = new YangParserImpl();
102 public static YangParserImpl getInstance() {
108 public Set<Module> parseYangModels(final File yangFile, final File directory) {
110 return parseFile(yangFile, directory).getModules();
111 } catch (IOException | YangSyntaxErrorException e) {
112 throw new YangParseException("Failed to parse yang data", e);
117 public SchemaContext parseFile(final File yangFile, final File directory) throws IOException, YangSyntaxErrorException {
118 Preconditions.checkState(yangFile.exists(), yangFile + " does not exists");
119 Preconditions.checkState(directory.exists(), directory + " does not exists");
120 Preconditions.checkState(directory.isDirectory(), directory + " is not a directory");
122 final String yangFileName = yangFile.getName();
123 final String[] fileList = checkNotNull(directory.list(), directory + " not found or is not a directory");
125 Map<ByteSource, File> sourceToFile = new LinkedHashMap<>();
126 ByteSource mainFileSource = BuilderUtils.fileToByteSource(yangFile);
127 sourceToFile.put(mainFileSource, yangFile);
129 for (String fileName : fileList) {
130 if (fileName.equals(yangFileName)) {
133 File dependency = new File(directory, fileName);
134 if (dependency.isFile()) {
135 sourceToFile.put(BuilderUtils.fileToByteSource(dependency), dependency);
139 Map<ByteSource, ModuleBuilder> sourceToBuilder = parseSourcesToBuilders(sourceToFile.keySet(), null);
140 ModuleBuilder main = sourceToBuilder.get(mainFileSource);
142 List<ModuleBuilder> moduleBuilders = new ArrayList<>();
143 moduleBuilders.add(main);
144 filterImports(main, new ArrayList<>(sourceToBuilder.values()), moduleBuilders);
145 Collection<ModuleBuilder> resolved = resolveSubmodules(moduleBuilders);
147 // module builders sorted by dependencies
148 List<ModuleBuilder> sortedBuilders = ModuleDependencySort.sort(resolved);
149 Map<URI, NavigableMap<Date, ModuleBuilder>> modules = resolveModulesWithImports(sortedBuilders, null);
150 Collection<Module> unsorted = build(modules).values();
151 Set<Module> result = new LinkedHashSet<>(
152 ModuleDependencySort.sort(unsorted.toArray(new Module[unsorted.size()])));
153 return resolveSchemaContext(result);
158 public Set<Module> parseYangModels(final List<File> yangFiles) {
159 return parseFiles(yangFiles).getModules();
163 public SchemaContext parseFiles(final Collection<File> yangFiles) {
164 Collection<Module> unsorted = parseYangModelsMapped(yangFiles).values();
165 Set<Module> sorted = new LinkedHashSet<>(
166 ModuleDependencySort.sort(unsorted.toArray(new Module[unsorted.size()])));
167 return resolveSchemaContext(sorted);
172 public Set<Module> parseYangModels(final List<File> yangFiles, final SchemaContext context) {
174 return parseFiles(yangFiles, context).getModules();
175 } catch (IOException | YangSyntaxErrorException e) {
176 throw new YangParseException("Failed to parse yang data", e);
181 public SchemaContext parseFiles(final Collection<File> yangFiles, final SchemaContext context) throws IOException,
182 YangSyntaxErrorException {
183 if (yangFiles == null) {
184 return resolveSchemaContext(Collections.<Module> emptySet());
187 Collection<ByteSource> sources = BuilderUtils.filesToByteSources(yangFiles);
188 return parseSources(sources, context);
193 public Set<Module> parseYangModelsFromStreams(final List<InputStream> yangModelStreams) {
195 Collection<ByteSource> sources = BuilderUtils.streamsToByteSources(yangModelStreams);
196 return parseSources(sources).getModules();
197 } catch (IOException | YangSyntaxErrorException e) {
198 throw new YangParseException("Failed to parse yang data", e);
203 public SchemaContext parseSources(final Collection<ByteSource> sources) throws IOException,YangSyntaxErrorException {
204 return assembleContext(parseYangModelSources(sources, null).values());
209 public Set<Module> parseYangModelsFromStreams(final List<InputStream> yangModelStreams, final SchemaContext context) {
211 Collection<ByteSource> sources = BuilderUtils.streamsToByteSources(yangModelStreams);
212 return parseSources(sources, context).getModules();
213 } catch (IOException | YangSyntaxErrorException e) {
214 throw new YangParseException("Failed to parse yang data", e);
219 public SchemaContext parseSources(final Collection<ByteSource> sources, final SchemaContext context)
220 throws IOException, YangSyntaxErrorException {
221 if (sources == null) {
222 return resolveSchemaContext(Collections.<Module> emptySet());
225 final List<ModuleBuilder> sorted = resolveModuleBuilders(sources, context);
226 final Map<URI, NavigableMap<Date, ModuleBuilder>> modules = resolveModulesWithImports(sorted, context);
228 final Set<Module> unsorted = new LinkedHashSet<>(build(modules).values());
229 if (context != null) {
230 for (Module m : context.getModules()) {
231 if (!unsorted.contains(m)) {
236 Set<Module> result = new LinkedHashSet<>(
237 ModuleDependencySort.sort(unsorted.toArray(new Module[unsorted.size()])));
238 return resolveSchemaContext(result);
241 private static Map<URI, NavigableMap<Date, ModuleBuilder>> resolveModulesWithImports(final List<ModuleBuilder> sorted,
242 final SchemaContext context) {
243 final Map<URI, NavigableMap<Date, ModuleBuilder>> modules = orderModules(sorted);
244 for (ModuleBuilder module : sorted) {
245 if (module != null) {
246 for (ModuleImport imp : module.getImports().values()) {
247 String prefix = imp.getPrefix();
248 ModuleBuilder targetModule = BuilderUtils.findModuleFromBuilders(imp, sorted);
249 if (targetModule == null) {
250 Module result = findModuleFromContext(context, module, prefix, 0);
251 targetModule = new ModuleBuilder(result);
252 NavigableMap<Date, ModuleBuilder> map = modules.get(targetModule.getNamespace());
254 map = new TreeMap<>();
255 map.put(targetModule.getRevision(), targetModule);
256 modules.put(targetModule.getNamespace(), map);
258 map.put(targetModule.getRevision(), targetModule);
261 module.addImportedModule(prefix, targetModule);
269 public Map<File, Module> parseYangModelsMapped(final Collection<File> yangFiles) {
270 if (yangFiles == null || yangFiles.isEmpty()) {
271 return Collections.emptyMap();
274 Map<ByteSource, File> byteSourceToFile = new HashMap<>();
275 for (final File file : yangFiles) {
276 ByteSource source = new ByteSource() {
278 public InputStream openStream() throws IOException {
279 return new NamedFileInputStream(file, file.getPath());
282 byteSourceToFile.put(source, file);
285 Map<ByteSource, Module> byteSourceToModule;
287 byteSourceToModule = parseYangModelSources(byteSourceToFile.keySet(), null);
288 } catch (IOException | YangSyntaxErrorException e) {
289 throw new YangParseException("Failed to parse yang data", e);
291 Map<File, Module> result = new LinkedHashMap<>();
292 for (Map.Entry<ByteSource, Module> entry : byteSourceToModule.entrySet()) {
293 result.put(byteSourceToFile.get(entry.getKey()), entry.getValue());
299 public Map<InputStream, Module> parseYangModelsFromStreamsMapped(final Collection<InputStream> yangModelStreams) {
300 if (yangModelStreams == null || yangModelStreams.isEmpty()) {
301 return Collections.emptyMap();
304 Map<ByteSource, InputStream> sourceToStream = new HashMap<>();
305 for (final InputStream stream : yangModelStreams) {
306 ByteSource source = new ByteSource() {
308 public InputStream openStream() throws IOException {
309 return NamedByteArrayInputStream.create(stream);
312 sourceToStream.put(source, stream);
315 Map<ByteSource, Module> sourceToModule;
317 sourceToModule = parseYangModelSources(sourceToStream.keySet(), null);
318 } catch (IOException | YangSyntaxErrorException e) {
319 throw new YangParseException("Failed to parse yang data", e);
321 Map<InputStream, Module> result = new LinkedHashMap<>();
322 for (Map.Entry<ByteSource, Module> entry : sourceToModule.entrySet()) {
323 result.put(sourceToStream.get(entry.getKey()), entry.getValue());
329 public SchemaContext resolveSchemaContext(final Set<Module> modules) {
330 // after merging parse method with this one, add support for getting
331 // submodule sources.
332 Map<ModuleIdentifier, String> identifiersToSources = new HashMap<>();
333 for (Module module : modules) {
334 ModuleImpl moduleImpl = (ModuleImpl) module;
335 identifiersToSources.put(module, moduleImpl.getSource());
337 return new SchemaContextImpl(modules, identifiersToSources);
340 public Collection<Module> buildModules(final Collection<ModuleBuilder> builders) {
341 Collection<ModuleBuilder> unsorted = resolveSubmodules(builders);
342 List<ModuleBuilder> sorted = ModuleDependencySort.sort(unsorted);
343 Map<URI, NavigableMap<Date, ModuleBuilder>> modules = resolveModulesWithImports(sorted, null);
344 Map<ModuleBuilder, Module> builderToModule = build(modules);
345 return builderToModule.values();
348 public SchemaContext assembleContext(final Collection<Module> modules) {
349 final Set<Module> sorted = new LinkedHashSet<>(
350 ModuleDependencySort.sort(modules.toArray(new Module[modules.size()])));
351 return resolveSchemaContext(sorted);
354 private Map<ByteSource, Module> parseYangModelSources(final Collection<ByteSource> sources, final SchemaContext context) throws IOException, YangSyntaxErrorException {
355 if (sources == null || sources.isEmpty()) {
356 return Collections.emptyMap();
359 Map<ByteSource, ModuleBuilder> sourceToBuilder = resolveSources(sources, context);
360 // sort and check for duplicates
361 List<ModuleBuilder> sorted = ModuleDependencySort.sort(sourceToBuilder.values());
362 Map<URI, NavigableMap<Date, ModuleBuilder>> modules = resolveModulesWithImports(sorted, null);
363 Map<ModuleBuilder, Module> builderToModule = build(modules);
364 Map<ModuleBuilder, ByteSource> builderToSource = HashBiMap.create(sourceToBuilder).inverse();
365 sorted = ModuleDependencySort.sort(builderToModule.keySet());
367 Map<ByteSource, Module> result = new LinkedHashMap<>();
368 for (ModuleBuilder moduleBuilder : sorted) {
369 Module value = checkNotNull(builderToModule.get(moduleBuilder), "Cannot get module for %s", moduleBuilder);
370 result.put(builderToSource.get(moduleBuilder), value);
377 * Parse streams and resolve submodules.
380 * collection of streams to parse
381 * @return map, where key is source stream and value is module builder
383 * @throws YangSyntaxErrorException
385 // TODO: remove ByteSource result after removing YangModelParser
386 private Map<ByteSource, ModuleBuilder> resolveSources(final Collection<ByteSource> streams, final SchemaContext context) throws IOException, YangSyntaxErrorException {
387 Map<ByteSource, ModuleBuilder> builders = parseSourcesToBuilders(streams, context);
388 return resolveSubmodules(builders);
391 private static Map<ByteSource, ModuleBuilder> parseSourcesToBuilders(final Collection<ByteSource> sources,
392 final SchemaContext context) throws IOException, YangSyntaxErrorException {
393 final ParseTreeWalker walker = new ParseTreeWalker();
394 final Map<ByteSource, ParseTree> sourceToTree = parseYangSources(sources);
395 final Map<ByteSource, ModuleBuilder> sourceToBuilder = new LinkedHashMap<>();
398 new YangModelBasicValidator(walker).validate(sourceToTree.values());
400 Map<String, NavigableMap<Date, URI>> namespaceContext = BuilderUtils.createYangNamespaceContext(
401 sourceToTree.values(), Optional.fromNullable(context));
402 YangParserListenerImpl yangModelParser;
403 for (Map.Entry<ByteSource, ParseTree> entry : sourceToTree.entrySet()) {
404 ByteSource source = entry.getKey();
405 String path = null; // TODO refactor to Optional
406 // TODO refactor so that path can be retrieved without opening
407 // stream: NamedInputStream -> NamedByteSource ?
408 try (InputStream stream = source.openStream()) {
409 if (stream instanceof NamedInputStream) {
410 path = stream.toString();
413 yangModelParser = new YangParserListenerImpl(namespaceContext, path);
414 walker.walk(yangModelParser, entry.getValue());
415 ModuleBuilder moduleBuilder = yangModelParser.getModuleBuilder();
416 moduleBuilder.setSource(source);
417 sourceToBuilder.put(source, moduleBuilder);
419 return sourceToBuilder;
422 private Map<ByteSource, ModuleBuilder> resolveSubmodules(final Map<ByteSource, ModuleBuilder> builders) {
423 Map<ByteSource, ModuleBuilder> modules = new HashMap<>();
424 Map<String, NavigableMap<Date, ModuleBuilder>> submodules = new HashMap<>();
425 for (Map.Entry<ByteSource, ModuleBuilder> entry : builders.entrySet()) {
426 ModuleBuilder builder = entry.getValue();
427 if (builder.isSubmodule()) {
428 String submoduleName = builder.getName();
429 NavigableMap<Date, ModuleBuilder> map = submodules.get(submoduleName);
431 map = new TreeMap<>();
432 map.put(builder.getRevision(), builder);
433 submodules.put(submoduleName, map);
435 map.put(builder.getRevision(), builder);
438 modules.put(entry.getKey(), builder);
442 for (ModuleBuilder module : modules.values()) {
443 resolveSubmodules(module, submodules);
449 private Collection<ModuleBuilder> resolveSubmodules(final Collection<ModuleBuilder> builders) {
450 Collection<ModuleBuilder> modules = new HashSet<>();
451 Map<String, NavigableMap<Date, ModuleBuilder>> submodules = new HashMap<>();
452 for (ModuleBuilder builder : builders) {
453 if (builder.isSubmodule()) {
454 String submoduleName = builder.getName();
455 NavigableMap<Date, ModuleBuilder> map = submodules.get(submoduleName);
457 map = new TreeMap<>();
458 map.put(builder.getRevision(), builder);
459 submodules.put(submoduleName, map);
461 map.put(builder.getRevision(), builder);
464 modules.add(builder);
468 for (ModuleBuilder module : modules) {
469 resolveSubmodules(module, submodules);
476 * Traverse collection of builders, find builders representing submodule and
477 * add this submodule to its parent module.
482 * collection all loaded submodules
483 * @return collection of module builders with resolved submodules
485 private void resolveSubmodules(final ModuleBuilder module,
486 final Map<String, NavigableMap<Date, ModuleBuilder>> submodules) {
487 Map<String, Date> includes = module.getIncludedModules();
488 for (Map.Entry<String, Date> entry : includes.entrySet()) {
489 NavigableMap<Date, ModuleBuilder> subs = submodules.get(entry.getKey());
491 throw new YangParseException("Failed to find references submodule " + entry.getKey() + " in module "
494 Date rev = entry.getValue();
495 ModuleBuilder submodule;
497 submodule = subs.lastEntry().getValue();
499 submodule = subs.get(rev);
500 // FIXME an exception should be thrown after issue with
501 // submodule's revisions and namespaces will be resolved
502 if (submodule == null) {
503 submodule = subs.lastEntry().getValue();
507 if (!submodule.getIncludedModules().isEmpty()) {
508 resolveSubmodules(submodule, submodules);
510 addSubmoduleToModule(submodule, module);
514 private static void addSubmoduleToModule(final ModuleBuilder submodule, final ModuleBuilder module) {
515 module.addSubmodule(submodule);
516 submodule.setParent(module);
517 module.getDirtyNodes().addAll(submodule.getDirtyNodes());
518 module.getImports().putAll(submodule.getImports());
519 module.getAugments().addAll(submodule.getAugments());
520 module.getAugmentBuilders().addAll(submodule.getAugmentBuilders());
521 module.getAllAugments().addAll(submodule.getAllAugments());
522 module.getChildNodeBuilders().addAll(submodule.getChildNodeBuilders());
523 module.getChildNodes().putAll(submodule.getChildNodes());
524 module.getGroupings().addAll(submodule.getGroupings());
525 module.getGroupingBuilders().addAll(submodule.getGroupingBuilders());
526 module.getTypeDefinitions().addAll(submodule.getTypeDefinitions());
527 module.getTypeDefinitionBuilders().addAll(submodule.getTypeDefinitionBuilders());
528 module.getUsesNodes().addAll(submodule.getUsesNodes());
529 module.getUsesNodeBuilders().addAll(submodule.getUsesNodeBuilders());
530 module.getAllGroupings().addAll(submodule.getAllGroupings());
531 module.getAllUsesNodes().addAll(submodule.getAllUsesNodes());
532 module.getRpcs().addAll(submodule.getRpcs());
533 module.getAddedRpcs().addAll(submodule.getAddedRpcs());
534 module.getNotifications().addAll(submodule.getNotifications());
535 module.getAddedNotifications().addAll(submodule.getAddedNotifications());
536 module.getIdentities().addAll(submodule.getIdentities());
537 module.getAddedIdentities().addAll(submodule.getAddedIdentities());
538 module.getFeatures().addAll(submodule.getFeatures());
539 module.getAddedFeatures().addAll(submodule.getAddedFeatures());
540 module.getDeviations().addAll(submodule.getDeviations());
541 module.getDeviationBuilders().addAll(submodule.getDeviationBuilders());
542 module.getExtensions().addAll(submodule.getExtensions());
543 module.getAddedExtensions().addAll(submodule.getAddedExtensions());
544 module.getUnknownNodes().addAll(submodule.getUnknownNodes());
545 module.getAllUnknownNodes().addAll(submodule.getAllUnknownNodes());
548 private List<ModuleBuilder> resolveModuleBuilders(final Collection<ByteSource> yangFileStreams,
549 final SchemaContext context) throws IOException, YangSyntaxErrorException {
550 Map<ByteSource, ModuleBuilder> parsedBuilders = resolveSources(yangFileStreams, context);
551 ModuleBuilder[] builders = new ModuleBuilder[parsedBuilders.size()];
552 parsedBuilders.values().toArray(builders);
554 // module dependency graph sorted
555 List<ModuleBuilder> sorted;
556 if (context == null) {
557 sorted = ModuleDependencySort.sort(builders);
559 sorted = ModuleDependencySort.sortWithContext(context, builders);
565 * Order modules by namespace and revision.
568 * topologically sorted modules
569 * @return modules ordered by namespace and revision
571 private static Map<URI, NavigableMap<Date, ModuleBuilder>> orderModules(final List<ModuleBuilder> modules) {
572 final Map<URI, NavigableMap<Date, ModuleBuilder>> result = new LinkedHashMap<>();
573 for (final ModuleBuilder builder : modules) {
574 if (builder == null) {
578 URI ns = builder.getNamespace();
579 Date rev = builder.getRevision();
584 NavigableMap<Date, ModuleBuilder> builderByRevision = result.get(ns);
585 if (builderByRevision == null) {
586 builderByRevision = new TreeMap<>();
587 builderByRevision.put(rev, builder);
588 result.put(ns, builderByRevision);
590 builderByRevision.put(rev, builder);
598 * Find {@code main} dependencies from {@code other} and add them to
606 * collection to fill up
608 private void filterImports(final ModuleBuilder main, final Collection<ModuleBuilder> other,
609 final Collection<ModuleBuilder> filtered) {
610 Map<String, ModuleImport> imports = main.getImports();
612 // if this is submodule, add parent to filtered and pick its imports
613 if (main.isSubmodule()) {
614 NavigableMap<Date, ModuleBuilder> dependencies = new TreeMap<>();
615 for (ModuleBuilder mb : other) {
616 if (mb.getName().equals(main.getBelongsTo())) {
617 dependencies.put(mb.getRevision(), mb);
620 ModuleBuilder parent = dependencies.get(dependencies.firstKey());
621 filtered.add(parent);
622 imports.putAll(parent.getImports());
625 for (ModuleImport mi : imports.values()) {
626 for (ModuleBuilder builder : other) {
627 if (mi.getModuleName().equals(builder.getModuleName())) {
628 if (mi.getRevision() == null) {
629 if (!filtered.contains(builder)) {
630 filtered.add(builder);
631 filterImports(builder, other, filtered);
634 if (!filtered.contains(builder) && mi.getRevision().equals(builder.getRevision())) {
635 filtered.add(builder);
636 filterImports(builder, other, filtered);
644 private static Map<ByteSource, ParseTree> parseYangSources(final Collection<ByteSource> sources) throws IOException, YangSyntaxErrorException {
645 final Map<ByteSource, ParseTree> trees = new HashMap<>();
646 for (ByteSource source : sources) {
647 try (InputStream stream = source.openStream()) {
648 trees.put(source, parseYangSource(stream));
654 public static YangContext parseYangSource(final InputStream stream) throws IOException, YangSyntaxErrorException {
655 final YangLexer lexer = new YangLexer(new ANTLRInputStream(stream));
656 final CommonTokenStream tokens = new CommonTokenStream(lexer);
657 final YangParser parser = new YangParser(tokens);
658 parser.removeErrorListeners();
660 final YangErrorListener errorListener = new YangErrorListener();
661 parser.addErrorListener(errorListener);
663 final YangContext result = parser.yang();
664 errorListener.validate();
670 * Mini parser: This parsing context does not validate full YANG module,
671 * only parses header up to the revisions and imports.
673 * @param yangStream input stream containing a yang module
674 * @return new instance of YangContext
675 * @see org.opendaylight.yangtools.yang.parser.impl.util.YangModelDependencyInfo
677 public static YangContext parseStreamWithoutErrorListeners(final InputStream yangStream) {
678 YangContext result = null;
680 final ANTLRInputStream input = new ANTLRInputStream(yangStream);
681 final YangLexer lexer = new YangLexer(input);
682 final CommonTokenStream tokens = new CommonTokenStream(lexer);
683 final YangParser parser = new YangParser(tokens);
684 parser.removeErrorListeners();
685 result = parser.yang();
686 } catch (IOException e) {
687 LOG.warn("Exception while reading yang file: " + yangStream, e);
693 * Creates builder-to-module map based on given modules. Method first
694 * resolve unresolved type references, instantiate groupings through uses
695 * statements and perform augmentation.
697 * Node resolving must be performed in following order:
700 * unresolved type references</li>
702 * uses in groupings</li>
704 * uses in other nodes</li>
711 * @return modules mapped on their builders
713 private Map<ModuleBuilder, Module> build(final Map<URI, NavigableMap<Date, ModuleBuilder>> modules) {
714 resolveDirtyNodes(modules);
715 resolveAugmentsTargetPath(modules);
716 resolveUsesTargetGrouping(modules);
717 resolveUsesForGroupings(modules);
718 resolveUsesForNodes(modules);
719 resolveAugments(modules);
720 resolveIdentities(modules);
721 checkChoiceCasesForDuplicityQNames(modules);
724 final Map<ModuleBuilder, Module> result = new LinkedHashMap<>();
725 for (Map.Entry<URI, NavigableMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
726 for (Map.Entry<Date, ModuleBuilder> childEntry : entry.getValue().entrySet()) {
727 final ModuleBuilder moduleBuilder = childEntry.getValue();
728 final Module module = moduleBuilder.build();
729 result.put(moduleBuilder, module);
736 * Resolve all unresolved type references.
741 private static void resolveDirtyNodes(final Map<URI, NavigableMap<Date, ModuleBuilder>> modules) {
742 for (Map.Entry<URI, NavigableMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
743 for (Map.Entry<Date, ModuleBuilder> childEntry : entry.getValue().entrySet()) {
744 final ModuleBuilder module = childEntry.getValue();
745 resolveUnknownNodes(modules, module);
746 resolveDirtyNodes(modules, module);
752 * Search for dirty nodes (node which contains UnknownType) and resolve
756 * all available modules
760 private static void resolveDirtyNodes(final Map<URI, NavigableMap<Date, ModuleBuilder>> modules, final ModuleBuilder module) {
761 final Set<TypeAwareBuilder> dirtyNodes = module.getDirtyNodes();
762 if (!dirtyNodes.isEmpty()) {
763 for (TypeAwareBuilder nodeToResolve : dirtyNodes) {
764 if (nodeToResolve instanceof UnionTypeBuilder) {
765 // special handling for union types
766 resolveTypeUnion((UnionTypeBuilder) nodeToResolve, modules, module);
767 } else if (nodeToResolve.getTypedef() instanceof IdentityrefTypeBuilder) {
768 // special handling for identityref types
769 IdentityrefTypeBuilder idref = (IdentityrefTypeBuilder) nodeToResolve.getTypedef();
770 IdentitySchemaNodeBuilder identity = findBaseIdentity(module, idref.getBaseString(),
772 if (identity == null) {
773 throw new YangParseException(module.getName(), idref.getLine(), "Failed to find base identity");
775 idref.setBaseIdentity(identity);
776 nodeToResolve.setType(idref.build());
778 resolveType(nodeToResolve, modules, module);
785 * Traverse through augmentations of modules and fix their child nodes
791 private void resolveAugmentsTargetPath(final Map<URI, NavigableMap<Date, ModuleBuilder>> modules) {
792 // collect augments from all loaded modules
793 final List<AugmentationSchemaBuilder> allAugments = new ArrayList<>();
794 for (Map.Entry<URI, NavigableMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
795 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
796 allAugments.addAll(inner.getValue().getAllAugments());
800 for (AugmentationSchemaBuilder augment : allAugments) {
801 setCorrectAugmentTargetPath(augment);
806 * Find augment target and set correct schema path for all its child nodes.
811 private void setCorrectAugmentTargetPath(final AugmentationSchemaBuilder augment) {
812 Builder parent = augment.getParent();
813 final SchemaPath targetNodeSchemaPath;
815 if (parent instanceof UsesNodeBuilder) {
816 targetNodeSchemaPath = findUsesAugmentTargetNodePath(((UsesNodeBuilder) parent).getParent(), augment);
818 targetNodeSchemaPath = augment.getTargetPath();
821 for (DataSchemaNodeBuilder childNode : augment.getChildNodeBuilders()) {
822 correctPathForAugmentNodes(childNode, targetNodeSchemaPath);
826 private static SchemaPath findUsesAugmentTargetNodePath(final DataNodeContainerBuilder usesParent,
827 final AugmentationSchemaBuilder augment) {
828 QName parentQName = usesParent.getQName();
829 final QNameModule qnm;
830 if (parentQName == null) {
831 ModuleBuilder m = BuilderUtils.getParentModule(usesParent);
832 qnm = m.getQNameModule();
834 qnm = parentQName.getModule();
837 SchemaPath path = usesParent.getPath();
838 for (QName qname : augment.getTargetPath().getPathFromRoot()) {
839 path = path.createChild(QName.create(qnm, qname.getLocalName()));
846 * Set new schema path to node and all its child nodes based on given parent
847 * path. This method do not change the namespace.
850 * node which schema path should be updated
852 * schema path of parent node
854 private void correctPathForAugmentNodes(final DataSchemaNodeBuilder node, final SchemaPath parentPath) {
855 SchemaPath newPath = parentPath.createChild(node.getQName());
856 node.setPath(newPath);
857 if (node instanceof DataNodeContainerBuilder) {
858 for (DataSchemaNodeBuilder child : ((DataNodeContainerBuilder) node).getChildNodeBuilders()) {
859 correctPathForAugmentNodes(child, node.getPath());
862 if (node instanceof ChoiceBuilder) {
863 for (ChoiceCaseBuilder child : ((ChoiceBuilder) node).getCases()) {
864 correctPathForAugmentNodes(child, node.getPath());
870 * Check augments for mandatory nodes. If the target node is in another
871 * module, then nodes added by the augmentation MUST NOT be mandatory nodes.
872 * If mandatory node is found, throw an exception.
877 private static void checkAugmentMandatoryNodes(final Collection<AugmentationSchemaBuilder> augments) {
878 for (AugmentationSchemaBuilder augment : augments) {
879 URI augmentTargetNs = augment.getTargetPath().getPathFromRoot().iterator().next().getNamespace();
880 Date augmentTargetRev = augment.getTargetPath().getPathFromRoot().iterator().next().getRevision();
881 ModuleBuilder module = BuilderUtils.getParentModule(augment);
883 if (augmentTargetNs.equals(module.getNamespace()) && augmentTargetRev.equals(module.getRevision())) {
887 for (DataSchemaNodeBuilder childNode : augment.getChildNodeBuilders()) {
888 if (childNode.getConstraints().isMandatory()) {
889 throw new YangParseException(augment.getModuleName(), augment.getLine(),
890 "Error in augment parsing: cannot augment mandatory node "
891 + childNode.getQName().getLocalName());
898 * Go through all augment definitions and resolve them.
901 * all loaded modules topologically sorted (based on dependencies
902 * between each other)
904 private static void resolveAugments(final Map<URI, NavigableMap<Date, ModuleBuilder>> modules) {
905 List<ModuleBuilder> all = new ArrayList<>();
906 for (Map.Entry<URI, NavigableMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
907 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
908 all.add(inner.getValue());
912 for (ModuleBuilder mb : all) {
914 List<AugmentationSchemaBuilder> augments = mb.getAllAugments();
915 checkAugmentMandatoryNodes(augments);
916 Collections.sort(augments, Comparators.AUGMENT_BUILDER_COMP);
917 for (AugmentationSchemaBuilder augment : augments) {
918 if (!(augment.isResolved())) {
919 boolean resolved = resolveAugment(augment, mb, modules);
921 throw new YangParseException(augment.getModuleName(), augment.getLine(),
922 "Error in augment parsing: failed to find augment target: " + augment);
931 * Perform augmentation defined under uses statement.
939 * @return true if augment process succeed
941 private static boolean resolveUsesAugment(final AugmentationSchemaBuilder augment, final ModuleBuilder module,
942 final Map<URI, NavigableMap<Date, ModuleBuilder>> modules) {
943 if (augment.isResolved()) {
947 UsesNodeBuilder usesNode = (UsesNodeBuilder) augment.getParent();
948 DataNodeContainerBuilder parentNode = usesNode.getParent();
949 Optional<SchemaNodeBuilder> potentialTargetNode;
950 SchemaPath resolvedTargetPath = findUsesAugmentTargetNodePath(parentNode, augment);
951 if (parentNode instanceof ModuleBuilder && resolvedTargetPath.isAbsolute()) {
952 // Uses is directly used in module body, we lookup
953 // We lookup in data namespace to find correct augmentation target
954 potentialTargetNode = findSchemaNodeInModule(resolvedTargetPath, (ModuleBuilder) parentNode);
956 // Uses is used in local context (be it data namespace or grouping
958 // since all nodes via uses are imported to localName, it is safe to
959 // to proceed only with local names.
961 // Conflicting elements in other namespaces are still not present
962 // since resolveUsesAugment occurs before augmenting from external
964 potentialTargetNode = Optional.<SchemaNodeBuilder> fromNullable(findTargetNode(augment.getTargetPath()
965 .getPathFromRoot(), parentNode));
968 if (potentialTargetNode.isPresent()) {
969 SchemaNodeBuilder targetNode = potentialTargetNode.get();
970 if (targetNode instanceof AugmentationTargetBuilder) {
971 fillAugmentTarget(augment, targetNode);
972 ((AugmentationTargetBuilder) targetNode).addAugmentation(augment);
973 augment.setResolved(true);
977 "Error in module {} at line {}: Unsupported augment target: {}. Augmentation process skipped.",
978 module.getName(), augment.getLine(), potentialTargetNode);
979 augment.setResolved(true);
980 augment.setUnsupportedTarget(true);
984 throw new YangParseException(module.getName(), augment.getLine(), String.format(
985 "Failed to resolve augment in uses. Invalid augment target path: %s", augment.getTargetPath()));
991 * Find augment target module and perform augmentation.
999 * @return true if augment process succeed
1001 private static boolean resolveAugment(final AugmentationSchemaBuilder augment, final ModuleBuilder module,
1002 final Map<URI, NavigableMap<Date, ModuleBuilder>> modules) {
1003 if (augment.isResolved()) {
1007 QName targetModuleName = augment.getTargetPath().getPathFromRoot().iterator().next();
1008 ModuleBuilder targetModule = BuilderUtils.findModule(targetModuleName, modules);
1009 if (targetModule == null) {
1010 throw new YangParseException(module.getModuleName(), augment.getLine(), "Failed to resolve augment "
1014 return processAugmentation(augment, targetModule);
1018 * Go through identity statements defined in current module and resolve
1019 * their 'base' statement.
1022 * all loaded modules
1024 private static void resolveIdentities(final Map<URI, NavigableMap<Date, ModuleBuilder>> modules) {
1025 for (Map.Entry<URI, NavigableMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
1026 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
1027 ModuleBuilder module = inner.getValue();
1028 final Set<IdentitySchemaNodeBuilder> identities = module.getAddedIdentities();
1029 for (IdentitySchemaNodeBuilder identity : identities) {
1030 resolveIdentity(module, identity);
1036 private static void resolveIdentity(final ModuleBuilder module,
1037 final IdentitySchemaNodeBuilder identity) {
1038 final String baseIdentityName = identity.getBaseIdentityName();
1039 if (baseIdentityName != null) {
1040 IdentitySchemaNodeBuilder result = null;
1041 if (baseIdentityName.contains(":")) {
1042 final int line = identity.getLine();
1043 String[] splittedBase = baseIdentityName.split(":");
1044 if (splittedBase.length > 2) {
1045 throw new YangParseException(module.getName(), line,
1046 "Failed to parse identityref base: "
1047 + baseIdentityName);
1049 String prefix = splittedBase[0];
1050 String name = splittedBase[1];
1052 if (prefix.equals(module.getPrefix())
1053 && name.equals(identity.getQName().getLocalName())) {
1054 throw new YangParseException(module.getName(),
1056 "Failed to parse base, identity name equals base identity name: "
1057 + baseIdentityName);
1060 ModuleBuilder dependentModule = BuilderUtils.getModuleByPrefix(
1062 result = BuilderUtils.findIdentity(
1063 dependentModule.getAddedIdentities(), name);
1065 if (baseIdentityName.equals(identity.getQName().getLocalName())) {
1066 throw new YangParseException(module.getName(),
1068 "Failed to parse base, identity name equals base identity name: "
1069 + baseIdentityName);
1071 result = BuilderUtils.findIdentity(module.getAddedIdentities(),
1074 identity.setBaseIdentity(result);
1079 * Find and add reference of uses target grouping.
1082 * all loaded modules
1084 private static void resolveUsesTargetGrouping(final Map<URI, NavigableMap<Date, ModuleBuilder>> modules) {
1085 final List<UsesNodeBuilder> allUses = new ArrayList<>();
1086 for (Map.Entry<URI, NavigableMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
1087 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
1088 allUses.addAll(inner.getValue().getAllUsesNodes());
1091 for (UsesNodeBuilder usesNode : allUses) {
1092 ModuleBuilder module = BuilderUtils.getParentModule(usesNode);
1093 final GroupingBuilder targetGroupingBuilder = GroupingUtils.getTargetGroupingFromModules(usesNode, modules,
1095 usesNode.setGrouping(targetGroupingBuilder);
1100 * Resolve uses statements defined in groupings.
1103 * all loaded modules
1105 private static void resolveUsesForGroupings(final Map<URI, NavigableMap<Date, ModuleBuilder>> modules) {
1106 final Set<GroupingBuilder> allGroupings = new HashSet<>();
1107 for (Map.Entry<URI, NavigableMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
1108 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
1109 ModuleBuilder module = inner.getValue();
1110 allGroupings.addAll(module.getAllGroupings());
1113 final List<GroupingBuilder> sorted = GroupingSort.sort(allGroupings);
1114 for (GroupingBuilder gb : sorted) {
1115 List<UsesNodeBuilder> usesNodes = new ArrayList<>(GroupingSort.getAllUsesNodes(gb));
1116 Collections.sort(usesNodes, new GroupingUtils.UsesComparator());
1117 for (UsesNodeBuilder usesNode : usesNodes) {
1118 resolveUses(usesNode, modules);
1124 * Resolve uses statements.
1127 * all loaded modules
1129 private static void resolveUsesForNodes(final Map<URI, NavigableMap<Date, ModuleBuilder>> modules) {
1130 for (Map.Entry<URI, NavigableMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
1131 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
1132 ModuleBuilder module = inner.getValue();
1133 List<UsesNodeBuilder> usesNodes = module.getAllUsesNodes();
1134 Collections.sort(usesNodes, new GroupingUtils.UsesComparator());
1135 for (UsesNodeBuilder usesNode : usesNodes) {
1136 resolveUses(usesNode, modules);
1143 * Find target grouping and copy its child nodes to current location with
1147 * uses node to resolve
1149 * all loaded modules
1151 private static void resolveUses(final UsesNodeBuilder usesNode, final Map<URI, NavigableMap<Date, ModuleBuilder>> modules) {
1152 if (!usesNode.isResolved()) {
1153 DataNodeContainerBuilder parent = usesNode.getParent();
1154 ModuleBuilder module = BuilderUtils.getParentModule(parent);
1155 GroupingBuilder target = GroupingUtils.getTargetGroupingFromModules(usesNode, modules, module);
1157 int index = nodeAfterUsesIndex(usesNode);
1158 List<DataSchemaNodeBuilder> targetNodes = target.instantiateChildNodes(parent);
1159 for (DataSchemaNodeBuilder targetNode : targetNodes) {
1160 parent.addChildNode(index++, targetNode);
1162 parent.getTypeDefinitionBuilders().addAll(target.instantiateTypedefs(parent));
1163 parent.getGroupingBuilders().addAll(target.instantiateGroupings(parent));
1164 parent.getUnknownNodes().addAll(target.instantiateUnknownNodes(parent));
1165 usesNode.setResolved(true);
1166 for (AugmentationSchemaBuilder augment : usesNode.getAugmentations()) {
1167 resolveUsesAugment(augment, module, modules);
1170 GroupingUtils.performRefine(usesNode);
1174 private static int nodeAfterUsesIndex(final UsesNodeBuilder usesNode) {
1175 DataNodeContainerBuilder parent = usesNode.getParent();
1176 int usesLine = usesNode.getLine();
1178 List<DataSchemaNodeBuilder> childNodes = parent.getChildNodeBuilders();
1179 if (childNodes.isEmpty()) {
1183 DataSchemaNodeBuilder nextNodeAfterUses = null;
1184 for (DataSchemaNodeBuilder childNode : childNodes) {
1185 if (!childNode.isAddedByUses() && !childNode.isAugmenting() && childNode.getLine() > usesLine) {
1186 nextNodeAfterUses = childNode;
1191 // uses is declared after child nodes
1192 if (nextNodeAfterUses == null) {
1193 return childNodes.size();
1196 return parent.getChildNodeBuilders().indexOf(nextNodeAfterUses);
1200 * Try to find extension describing this unknown node and assign it to
1201 * unknown node builder.
1204 * all loaded modules
1208 private static void resolveUnknownNodes(final Map<URI, NavigableMap<Date, ModuleBuilder>> modules, final ModuleBuilder module) {
1209 for (UnknownSchemaNodeBuilder usnb : module.getAllUnknownNodes()) {
1210 QName nodeType = usnb.getNodeType();
1211 String localName = usnb.getNodeType().getLocalName();
1212 ModuleBuilder dependentModule = BuilderUtils.findModule(nodeType, modules);
1214 if (dependentModule == null) {
1216 "Error in module {} at line {}: Failed to resolve node {}: no such extension definition found.",
1217 module.getName(), usnb.getLine(), usnb);
1221 ExtensionBuilder extBuilder = findExtBuilder(localName, dependentModule.getAddedExtensions());
1222 if (extBuilder == null) {
1223 ExtensionDefinition extDef = findExtDef(localName, dependentModule.getExtensions());
1224 if (extDef == null) {
1226 "Error in module {} at line {}: Failed to resolve node {}: no such extension definition found.",
1227 module.getName(), usnb.getLine(), usnb);
1229 usnb.setExtensionDefinition(extDef);
1232 usnb.setExtensionBuilder(extBuilder);
1237 private static ExtensionBuilder findExtBuilder(final String name, final Collection<ExtensionBuilder> extensions) {
1238 for (ExtensionBuilder extension : extensions) {
1239 if (extension.getQName().getLocalName().equals(name)) {
1246 private static ExtensionDefinition findExtDef(final String name, final Collection<ExtensionDefinition> extensions) {
1247 for (ExtensionDefinition extension : extensions) {
1248 if (extension.getQName().getLocalName().equals(name)) {
1257 * Traverse through modules and check if choice has choice cases with the
1261 * all loaded modules
1263 private void checkChoiceCasesForDuplicityQNames(final Map<URI, NavigableMap<Date, ModuleBuilder>> modules) {
1264 for (Map.Entry<URI, NavigableMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
1265 for (Map.Entry<Date, ModuleBuilder> childEntry : entry.getValue().entrySet()) {
1266 final ModuleBuilder moduleBuilder = childEntry.getValue();
1267 final Module module = moduleBuilder.build();
1268 final List<ChoiceSchemaNode> allChoicesFromModule = getChoicesFrom(module);
1270 for (ChoiceSchemaNode choiceNode : allChoicesFromModule) {
1271 findDuplicityNodesIn(choiceNode, module, moduleBuilder, modules);
1277 private static void findDuplicityNodesIn(final ChoiceSchemaNode choiceNode, final Module module, final ModuleBuilder moduleBuilder,
1278 final Map<URI, NavigableMap<Date, ModuleBuilder>> modules) {
1279 final Set<QName> duplicityTestSet = new HashSet<>();
1281 for (ChoiceCaseNode choiceCaseNode : choiceNode.getCases()) {
1283 for (DataSchemaNode childSchemaNode : choiceCaseNode.getChildNodes()) {
1284 if (!duplicityTestSet.add(childSchemaNode.getQName())) {
1285 final Optional<SchemaNodeBuilder> schemaNodeBuilder = BuilderUtils.findSchemaNodeInModule(childSchemaNode.getPath(), moduleBuilder);
1286 final String nameOfSchemaNode = childSchemaNode.getQName().getLocalName();
1287 int lineOfSchemaNode = 0;
1289 if (schemaNodeBuilder.isPresent()) {
1290 lineOfSchemaNode = schemaNodeBuilder.get().getLine();
1292 throw new YangParseException(module.getName(), lineOfSchemaNode,
1293 String.format("Choice has two nodes case with same qnames - %s", nameOfSchemaNode));
1299 private List<ChoiceSchemaNode> getChoicesFrom(final Module module) {
1300 final List<ChoiceSchemaNode> allChoices = new ArrayList<>();
1302 for (DataSchemaNode dataSchemaNode : module.getChildNodes()) {
1303 findChoicesIn(dataSchemaNode, allChoices);
1308 private void findChoicesIn(final SchemaNode schemaNode, final Collection<ChoiceSchemaNode> choiceNodes) {
1309 if (schemaNode instanceof ContainerSchemaNode) {
1310 final ContainerSchemaNode contSchemaNode = (ContainerSchemaNode) schemaNode;
1311 for (DataSchemaNode dataSchemaNode : contSchemaNode.getChildNodes()) {
1312 findChoicesIn(dataSchemaNode, choiceNodes);
1314 } else if (schemaNode instanceof ListSchemaNode) {
1315 final ListSchemaNode listSchemaNode = (ListSchemaNode) schemaNode;
1316 for (DataSchemaNode dataSchemaNode : listSchemaNode.getChildNodes()) {
1317 findChoicesIn(dataSchemaNode, choiceNodes);
1319 } else if (schemaNode instanceof ChoiceSchemaNode) {
1320 choiceNodes.add((ChoiceSchemaNode) schemaNode);