2 * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
3 * This program and the accompanying materials are made available under the
4 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
5 * and is available at http://www.eclipse.org/legal/epl-v10.html
7 package org.opendaylight.yangtools.yang.parser.impl;
9 import static com.google.common.base.Preconditions.checkNotNull;
10 import static org.opendaylight.yangtools.yang.parser.builder.impl.BuilderUtils.fillAugmentTarget;
11 import static org.opendaylight.yangtools.yang.parser.builder.impl.BuilderUtils.findBaseIdentity;
12 import static org.opendaylight.yangtools.yang.parser.builder.impl.BuilderUtils.findModuleFromContext;
13 import static org.opendaylight.yangtools.yang.parser.builder.impl.BuilderUtils.findSchemaNode;
14 import static org.opendaylight.yangtools.yang.parser.builder.impl.BuilderUtils.findSchemaNodeInModule;
15 import static org.opendaylight.yangtools.yang.parser.builder.impl.BuilderUtils.processAugmentation;
16 import static org.opendaylight.yangtools.yang.parser.builder.impl.TypeUtils.resolveType;
17 import static org.opendaylight.yangtools.yang.parser.builder.impl.TypeUtils.resolveTypeUnion;
18 import com.google.common.base.Optional;
19 import com.google.common.base.Preconditions;
20 import com.google.common.collect.HashBiMap;
21 import com.google.common.io.ByteSource;
23 import java.io.IOException;
24 import java.io.InputStream;
26 import java.util.ArrayList;
27 import java.util.Collection;
28 import java.util.Collections;
29 import java.util.Date;
30 import java.util.HashMap;
31 import java.util.HashSet;
32 import java.util.LinkedHashMap;
33 import java.util.LinkedHashSet;
34 import java.util.List;
37 import java.util.TreeMap;
38 import javax.annotation.concurrent.Immutable;
39 import org.antlr.v4.runtime.ANTLRInputStream;
40 import org.antlr.v4.runtime.CommonTokenStream;
41 import org.antlr.v4.runtime.tree.ParseTree;
42 import org.antlr.v4.runtime.tree.ParseTreeWalker;
43 import org.opendaylight.yangtools.antlrv4.code.gen.YangLexer;
44 import org.opendaylight.yangtools.antlrv4.code.gen.YangParser;
45 import org.opendaylight.yangtools.antlrv4.code.gen.YangParser.YangContext;
46 import org.opendaylight.yangtools.yang.common.QName;
47 import org.opendaylight.yangtools.yang.common.QNameModule;
48 import org.opendaylight.yangtools.yang.model.api.ChoiceCaseNode;
49 import org.opendaylight.yangtools.yang.model.api.ChoiceSchemaNode;
50 import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
51 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
52 import org.opendaylight.yangtools.yang.model.api.ExtensionDefinition;
53 import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
54 import org.opendaylight.yangtools.yang.model.api.Module;
55 import org.opendaylight.yangtools.yang.model.api.ModuleIdentifier;
56 import org.opendaylight.yangtools.yang.model.api.ModuleImport;
57 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
58 import org.opendaylight.yangtools.yang.model.api.SchemaNode;
59 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
60 import org.opendaylight.yangtools.yang.model.parser.api.YangContextParser;
61 import org.opendaylight.yangtools.yang.model.parser.api.YangSyntaxErrorException;
62 import org.opendaylight.yangtools.yang.parser.builder.api.AugmentationSchemaBuilder;
63 import org.opendaylight.yangtools.yang.parser.builder.api.AugmentationTargetBuilder;
64 import org.opendaylight.yangtools.yang.parser.builder.api.Builder;
65 import org.opendaylight.yangtools.yang.parser.builder.api.DataNodeContainerBuilder;
66 import org.opendaylight.yangtools.yang.parser.builder.api.DataSchemaNodeBuilder;
67 import org.opendaylight.yangtools.yang.parser.builder.api.ExtensionBuilder;
68 import org.opendaylight.yangtools.yang.parser.builder.api.GroupingBuilder;
69 import org.opendaylight.yangtools.yang.parser.builder.api.SchemaNodeBuilder;
70 import org.opendaylight.yangtools.yang.parser.builder.api.TypeAwareBuilder;
71 import org.opendaylight.yangtools.yang.parser.builder.api.UnknownSchemaNodeBuilder;
72 import org.opendaylight.yangtools.yang.parser.builder.api.UsesNodeBuilder;
73 import org.opendaylight.yangtools.yang.parser.builder.impl.BuilderUtils;
74 import org.opendaylight.yangtools.yang.parser.builder.impl.ChoiceBuilder;
75 import org.opendaylight.yangtools.yang.parser.builder.impl.ChoiceCaseBuilder;
76 import org.opendaylight.yangtools.yang.parser.builder.impl.GroupingUtils;
77 import org.opendaylight.yangtools.yang.parser.builder.impl.IdentitySchemaNodeBuilder;
78 import org.opendaylight.yangtools.yang.parser.builder.impl.IdentityrefTypeBuilder;
79 import org.opendaylight.yangtools.yang.parser.builder.impl.ModuleBuilder;
80 import org.opendaylight.yangtools.yang.parser.builder.impl.ModuleImpl;
81 import org.opendaylight.yangtools.yang.parser.builder.impl.UnionTypeBuilder;
82 import org.opendaylight.yangtools.yang.parser.builder.util.Comparators;
83 import org.opendaylight.yangtools.yang.parser.util.ModuleDependencySort;
84 import org.opendaylight.yangtools.yang.parser.util.NamedByteArrayInputStream;
85 import org.opendaylight.yangtools.yang.parser.util.NamedFileInputStream;
86 import org.opendaylight.yangtools.yang.parser.util.NamedInputStream;
87 import org.opendaylight.yangtools.yang.parser.util.YangParseException;
88 import org.slf4j.Logger;
89 import org.slf4j.LoggerFactory;
92 public final class YangParserImpl implements YangContextParser {
93 private static final Logger LOG = LoggerFactory.getLogger(YangParserImpl.class);
94 private static final YangParserImpl INSTANCE = new YangParserImpl();
96 public static YangParserImpl getInstance() {
102 public Set<Module> parseYangModels(final File yangFile, final File directory) {
104 return parseFile(yangFile, directory).getModules();
105 } catch (IOException | YangSyntaxErrorException e) {
106 throw new YangParseException("Failed to parse yang data", e);
111 public SchemaContext parseFile(final File yangFile, final File directory) throws IOException, YangSyntaxErrorException {
112 Preconditions.checkState(yangFile.exists(), yangFile + " does not exists");
113 Preconditions.checkState(directory.exists(), directory + " does not exists");
114 Preconditions.checkState(directory.isDirectory(), directory + " is not a directory");
116 final String yangFileName = yangFile.getName();
117 final String[] fileList = checkNotNull(directory.list(), directory + " not found or is not a directory");
119 Map<ByteSource, File> sourceToFile = new LinkedHashMap<>();
120 ByteSource mainFileSource = BuilderUtils.fileToByteSource(yangFile);
121 sourceToFile.put(mainFileSource, yangFile);
123 for (String fileName : fileList) {
124 if (fileName.equals(yangFileName)) {
127 File dependency = new File(directory, fileName);
128 if (dependency.isFile()) {
129 sourceToFile.put(BuilderUtils.fileToByteSource(dependency), dependency);
133 Map<ByteSource, ModuleBuilder> sourceToBuilder = parseSourcesToBuilders(sourceToFile.keySet(), null);
134 ModuleBuilder main = sourceToBuilder.get(mainFileSource);
136 List<ModuleBuilder> moduleBuilders = new ArrayList<>();
137 moduleBuilders.add(main);
138 filterImports(main, new ArrayList<>(sourceToBuilder.values()), moduleBuilders);
139 Collection<ModuleBuilder> resolved = resolveSubmodules(moduleBuilders);
141 // module builders sorted by dependencies
142 List<ModuleBuilder> sortedBuilders = ModuleDependencySort.sort(resolved);
143 LinkedHashMap<URI, TreeMap<Date, ModuleBuilder>> modules = resolveModulesWithImports(sortedBuilders, null);
144 Collection<Module> unsorted = build(modules).values();
145 Set<Module> result = new LinkedHashSet<>(
146 ModuleDependencySort.sort(unsorted.toArray(new Module[unsorted.size()])));
147 return resolveSchemaContext(result);
152 public Set<Module> parseYangModels(final List<File> yangFiles) {
153 return parseFiles(yangFiles).getModules();
157 public SchemaContext parseFiles(final Collection<File> yangFiles) {
158 Collection<Module> unsorted = parseYangModelsMapped(yangFiles).values();
159 Set<Module> sorted = new LinkedHashSet<>(
160 ModuleDependencySort.sort(unsorted.toArray(new Module[unsorted.size()])));
161 return resolveSchemaContext(sorted);
166 public Set<Module> parseYangModels(final List<File> yangFiles, final SchemaContext context) {
168 return parseFiles(yangFiles, context).getModules();
169 } catch (IOException | YangSyntaxErrorException e) {
170 throw new YangParseException("Failed to parse yang data", e);
175 public SchemaContext parseFiles(final Collection<File> yangFiles, final SchemaContext context) throws IOException,
176 YangSyntaxErrorException {
177 if (yangFiles == null) {
178 return resolveSchemaContext(Collections.<Module> emptySet());
181 Collection<ByteSource> sources = BuilderUtils.filesToByteSources(yangFiles);
182 return parseSources(sources, context);
187 public Set<Module> parseYangModelsFromStreams(final List<InputStream> yangModelStreams) {
189 Collection<ByteSource> sources = BuilderUtils.streamsToByteSources(yangModelStreams);
190 return parseSources(sources).getModules();
191 } catch (IOException | YangSyntaxErrorException e) {
192 throw new YangParseException("Failed to parse yang data", e);
197 public SchemaContext parseSources(final Collection<ByteSource> sources) throws IOException,YangSyntaxErrorException {
198 return assembleContext(parseYangModelSources(sources, null).values());
203 public Set<Module> parseYangModelsFromStreams(final List<InputStream> yangModelStreams, final SchemaContext context) {
205 Collection<ByteSource> sources = BuilderUtils.streamsToByteSources(yangModelStreams);
206 return parseSources(sources, context).getModules();
207 } catch (IOException | YangSyntaxErrorException e) {
208 throw new YangParseException("Failed to parse yang data", e);
213 public SchemaContext parseSources(final Collection<ByteSource> sources, final SchemaContext context)
214 throws IOException, YangSyntaxErrorException {
215 if (sources == null) {
216 return resolveSchemaContext(Collections.<Module> emptySet());
219 final List<ModuleBuilder> sorted = resolveModuleBuilders(sources, context);
220 final Map<URI, TreeMap<Date, ModuleBuilder>> modules = resolveModulesWithImports(sorted, context);
222 final Set<Module> unsorted = new LinkedHashSet<>(build(modules).values());
223 if (context != null) {
224 for (Module m : context.getModules()) {
225 if (!unsorted.contains(m)) {
230 Set<Module> result = new LinkedHashSet<>(
231 ModuleDependencySort.sort(unsorted.toArray(new Module[unsorted.size()])));
232 return resolveSchemaContext(result);
235 private static LinkedHashMap<URI, TreeMap<Date, ModuleBuilder>> resolveModulesWithImports(final List<ModuleBuilder> sorted,
236 final SchemaContext context) {
237 final LinkedHashMap<URI, TreeMap<Date, ModuleBuilder>> modules = orderModules(sorted);
238 for (ModuleBuilder module : sorted) {
239 if (module != null) {
240 for (ModuleImport imp : module.getImports().values()) {
241 String prefix = imp.getPrefix();
242 ModuleBuilder targetModule = BuilderUtils.findModuleFromBuilders(imp, sorted);
243 if (targetModule == null) {
244 Module result = findModuleFromContext(context, module, prefix, 0);
245 targetModule = new ModuleBuilder(result);
246 TreeMap<Date, ModuleBuilder> map = modules.get(targetModule.getNamespace());
248 map = new TreeMap<>();
249 map.put(targetModule.getRevision(), targetModule);
250 modules.put(targetModule.getNamespace(), map);
252 map.put(targetModule.getRevision(), targetModule);
255 module.addImportedModule(prefix, targetModule);
263 public Map<File, Module> parseYangModelsMapped(final Collection<File> yangFiles) {
264 if (yangFiles == null || yangFiles.isEmpty()) {
265 return Collections.emptyMap();
268 Map<ByteSource, File> byteSourceToFile = new HashMap<>();
269 for (final File file : yangFiles) {
270 ByteSource source = new ByteSource() {
272 public InputStream openStream() throws IOException {
273 return new NamedFileInputStream(file, file.getPath());
276 byteSourceToFile.put(source, file);
279 Map<ByteSource, Module> byteSourceToModule;
281 byteSourceToModule = parseYangModelSources(byteSourceToFile.keySet(), null);
282 } catch (IOException | YangSyntaxErrorException e) {
283 throw new YangParseException("Failed to parse yang data", e);
285 Map<File, Module> result = new LinkedHashMap<>();
286 for (Map.Entry<ByteSource, Module> entry : byteSourceToModule.entrySet()) {
287 result.put(byteSourceToFile.get(entry.getKey()), entry.getValue());
293 public Map<InputStream, Module> parseYangModelsFromStreamsMapped(final Collection<InputStream> yangModelStreams) {
294 if (yangModelStreams == null || yangModelStreams.isEmpty()) {
295 return Collections.emptyMap();
298 Map<ByteSource, InputStream> sourceToStream = new HashMap<>();
299 for (final InputStream stream : yangModelStreams) {
300 ByteSource source = new ByteSource() {
302 public InputStream openStream() throws IOException {
303 return NamedByteArrayInputStream.create(stream);
306 sourceToStream.put(source, stream);
309 Map<ByteSource, Module> sourceToModule;
311 sourceToModule = parseYangModelSources(sourceToStream.keySet(), null);
312 } catch (IOException | YangSyntaxErrorException e) {
313 throw new YangParseException("Failed to parse yang data", e);
315 Map<InputStream, Module> result = new LinkedHashMap<>();
316 for (Map.Entry<ByteSource, Module> entry : sourceToModule.entrySet()) {
317 result.put(sourceToStream.get(entry.getKey()), entry.getValue());
323 public SchemaContext resolveSchemaContext(final Set<Module> modules) {
324 // after merging parse method with this one, add support for getting
325 // submodule sources.
326 Map<ModuleIdentifier, String> identifiersToSources = new HashMap<>();
327 for (Module module : modules) {
328 ModuleImpl moduleImpl = (ModuleImpl) module;
329 identifiersToSources.put(module, moduleImpl.getSource());
331 return new SchemaContextImpl(modules, identifiersToSources);
334 public Collection<Module> buildModules(final Collection<ModuleBuilder> builders) {
335 Collection<ModuleBuilder> unsorted = resolveSubmodules(builders);
336 List<ModuleBuilder> sorted = ModuleDependencySort.sort(unsorted);
337 Map<URI, TreeMap<Date, ModuleBuilder>> modules = resolveModulesWithImports(sorted, null);
338 Map<ModuleBuilder, Module> builderToModule = build(modules);
339 return builderToModule.values();
342 public SchemaContext assembleContext(final Collection<Module> modules) {
343 final Set<Module> sorted = new LinkedHashSet<>(
344 ModuleDependencySort.sort(modules.toArray(new Module[modules.size()])));
345 return resolveSchemaContext(sorted);
348 private Map<ByteSource, Module> parseYangModelSources(final Collection<ByteSource> sources, final SchemaContext context) throws IOException, YangSyntaxErrorException {
349 if (sources == null || sources.isEmpty()) {
350 return Collections.emptyMap();
353 Map<ByteSource, ModuleBuilder> sourceToBuilder = resolveSources(sources, context);
354 // sort and check for duplicates
355 List<ModuleBuilder> sorted = ModuleDependencySort.sort(sourceToBuilder.values());
356 Map<URI, TreeMap<Date, ModuleBuilder>> modules = resolveModulesWithImports(sorted, null);
357 Map<ModuleBuilder, Module> builderToModule = build(modules);
358 Map<ModuleBuilder, ByteSource> builderToSource = HashBiMap.create(sourceToBuilder).inverse();
359 sorted = ModuleDependencySort.sort(builderToModule.keySet());
361 Map<ByteSource, Module> result = new LinkedHashMap<>();
362 for (ModuleBuilder moduleBuilder : sorted) {
363 Module value = checkNotNull(builderToModule.get(moduleBuilder), "Cannot get module for %s", moduleBuilder);
364 result.put(builderToSource.get(moduleBuilder), value);
371 * Parse streams and resolve submodules.
374 * collection of streams to parse
375 * @return map, where key is source stream and value is module builder
377 * @throws YangSyntaxErrorException
379 // TODO: remove ByteSource result after removing YangModelParser
380 private Map<ByteSource, ModuleBuilder> resolveSources(final Collection<ByteSource> streams, final SchemaContext context) throws IOException, YangSyntaxErrorException {
381 Map<ByteSource, ModuleBuilder> builders = parseSourcesToBuilders(streams, context);
382 return resolveSubmodules(builders);
385 private Map<ByteSource, ModuleBuilder> parseSourcesToBuilders(final Collection<ByteSource> sources,
386 final SchemaContext context) throws IOException, YangSyntaxErrorException {
387 final ParseTreeWalker walker = new ParseTreeWalker();
388 final Map<ByteSource, ParseTree> sourceToTree = parseYangSources(sources);
389 final Map<ByteSource, ModuleBuilder> sourceToBuilder = new LinkedHashMap<>();
392 new YangModelBasicValidator(walker).validate(sourceToTree.values());
394 Map<String, TreeMap<Date, URI>> namespaceContext = BuilderUtils.createYangNamespaceContext(
395 sourceToTree.values(), Optional.fromNullable(context));
396 YangParserListenerImpl yangModelParser;
397 for (Map.Entry<ByteSource, ParseTree> entry : sourceToTree.entrySet()) {
398 ByteSource source = entry.getKey();
399 String path = null; // TODO refactor to Optional
400 // TODO refactor so that path can be retrieved without opening
401 // stream: NamedInputStream -> NamedByteSource ?
402 try (InputStream stream = source.openStream()) {
403 if (stream instanceof NamedInputStream) {
404 path = stream.toString();
407 yangModelParser = new YangParserListenerImpl(namespaceContext, path);
408 walker.walk(yangModelParser, entry.getValue());
409 ModuleBuilder moduleBuilder = yangModelParser.getModuleBuilder();
410 moduleBuilder.setSource(source);
411 sourceToBuilder.put(source, moduleBuilder);
413 return sourceToBuilder;
416 private Map<ByteSource, ModuleBuilder> resolveSubmodules(final Map<ByteSource, ModuleBuilder> builders) {
417 Map<ByteSource, ModuleBuilder> modules = new HashMap<>();
418 Map<String, TreeMap<Date, ModuleBuilder>> submodules = new HashMap<>();
419 for (Map.Entry<ByteSource, ModuleBuilder> entry : builders.entrySet()) {
420 ModuleBuilder builder = entry.getValue();
421 if (builder.isSubmodule()) {
422 String submoduleName = builder.getName();
423 TreeMap<Date, ModuleBuilder> map = submodules.get(submoduleName);
425 map = new TreeMap<>();
426 map.put(builder.getRevision(), builder);
427 submodules.put(submoduleName, map);
429 map.put(builder.getRevision(), builder);
432 modules.put(entry.getKey(), builder);
436 for (ModuleBuilder module : modules.values()) {
437 resolveSubmodules(module, submodules);
443 private Collection<ModuleBuilder> resolveSubmodules(final Collection<ModuleBuilder> builders) {
444 Collection<ModuleBuilder> modules = new HashSet<>();
445 Map<String, TreeMap<Date, ModuleBuilder>> submodules = new HashMap<>();
446 for (ModuleBuilder builder : builders) {
447 if (builder.isSubmodule()) {
448 String submoduleName = builder.getName();
449 TreeMap<Date, ModuleBuilder> map = submodules.get(submoduleName);
451 map = new TreeMap<>();
452 map.put(builder.getRevision(), builder);
453 submodules.put(submoduleName, map);
455 map.put(builder.getRevision(), builder);
458 modules.add(builder);
462 for (ModuleBuilder module : modules) {
463 resolveSubmodules(module, submodules);
470 * Traverse collection of builders, find builders representing submodule and
471 * add this submodule to its parent module.
476 * collection all loaded submodules
477 * @return collection of module builders with resolved submodules
479 private void resolveSubmodules(final ModuleBuilder module,
480 final Map<String, TreeMap<Date, ModuleBuilder>> submodules) {
481 Map<String, Date> includes = module.getIncludedModules();
482 for (Map.Entry<String, Date> entry : includes.entrySet()) {
483 TreeMap<Date, ModuleBuilder> subs = submodules.get(entry.getKey());
485 throw new YangParseException("Failed to find references submodule " + entry.getKey() + " in module "
488 Date rev = entry.getValue();
489 ModuleBuilder submodule;
491 submodule = subs.lastEntry().getValue();
493 submodule = subs.get(rev);
494 // FIXME an exception should be thrown after issue with
495 // submodule's revisions and namespaces will be resolved
496 if (submodule == null) {
497 submodule = subs.lastEntry().getValue();
501 if (submodule.getIncludedModules().size() > 0) {
502 resolveSubmodules(submodule, submodules);
504 addSubmoduleToModule(submodule, module);
508 private void addSubmoduleToModule(final ModuleBuilder submodule, final ModuleBuilder module) {
509 module.addSubmodule(submodule);
510 submodule.setParent(module);
511 module.getDirtyNodes().addAll(submodule.getDirtyNodes());
512 module.getImports().putAll(submodule.getImports());
513 module.getAugments().addAll(submodule.getAugments());
514 module.getAugmentBuilders().addAll(submodule.getAugmentBuilders());
515 module.getAllAugments().addAll(submodule.getAllAugments());
516 module.getChildNodeBuilders().addAll(submodule.getChildNodeBuilders());
517 module.getChildNodes().putAll(submodule.getChildNodes());
518 module.getGroupings().addAll(submodule.getGroupings());
519 module.getGroupingBuilders().addAll(submodule.getGroupingBuilders());
520 module.getTypeDefinitions().addAll(submodule.getTypeDefinitions());
521 module.getTypeDefinitionBuilders().addAll(submodule.getTypeDefinitionBuilders());
522 module.getUsesNodes().addAll(submodule.getUsesNodes());
523 module.getUsesNodeBuilders().addAll(submodule.getUsesNodeBuilders());
524 module.getAllGroupings().addAll(submodule.getAllGroupings());
525 module.getAllUsesNodes().addAll(submodule.getAllUsesNodes());
526 module.getRpcs().addAll(submodule.getRpcs());
527 module.getAddedRpcs().addAll(submodule.getAddedRpcs());
528 module.getNotifications().addAll(submodule.getNotifications());
529 module.getAddedNotifications().addAll(submodule.getAddedNotifications());
530 module.getIdentities().addAll(submodule.getIdentities());
531 module.getAddedIdentities().addAll(submodule.getAddedIdentities());
532 module.getFeatures().addAll(submodule.getFeatures());
533 module.getAddedFeatures().addAll(submodule.getAddedFeatures());
534 module.getDeviations().addAll(submodule.getDeviations());
535 module.getDeviationBuilders().addAll(submodule.getDeviationBuilders());
536 module.getExtensions().addAll(submodule.getExtensions());
537 module.getAddedExtensions().addAll(submodule.getAddedExtensions());
538 module.getUnknownNodes().addAll(submodule.getUnknownNodes());
539 module.getAllUnknownNodes().addAll(submodule.getAllUnknownNodes());
542 private List<ModuleBuilder> resolveModuleBuilders(final Collection<ByteSource> yangFileStreams,
543 final SchemaContext context) throws IOException, YangSyntaxErrorException {
544 Map<ByteSource, ModuleBuilder> parsedBuilders = resolveSources(yangFileStreams, context);
545 ModuleBuilder[] builders = new ModuleBuilder[parsedBuilders.size()];
546 parsedBuilders.values().toArray(builders);
548 // module dependency graph sorted
549 List<ModuleBuilder> sorted;
550 if (context == null) {
551 sorted = ModuleDependencySort.sort(builders);
553 sorted = ModuleDependencySort.sortWithContext(context, builders);
559 * Order modules by namespace and revision.
562 * topologically sorted modules
563 * @return modules ordered by namespace and revision
565 private static LinkedHashMap<URI, TreeMap<Date, ModuleBuilder>> orderModules(final List<ModuleBuilder> modules) {
566 final LinkedHashMap<URI, TreeMap<Date, ModuleBuilder>> result = new LinkedHashMap<>();
567 for (final ModuleBuilder builder : modules) {
568 if (builder == null) {
572 URI ns = builder.getNamespace();
573 Date rev = builder.getRevision();
578 TreeMap<Date, ModuleBuilder> builderByRevision = result.get(ns);
579 if (builderByRevision == null) {
580 builderByRevision = new TreeMap<>();
581 builderByRevision.put(rev, builder);
582 result.put(ns, builderByRevision);
584 builderByRevision.put(rev, builder);
592 * Find {@code main} dependencies from {@code other} and add them to
600 * collection to fill up
602 private void filterImports(final ModuleBuilder main, final Collection<ModuleBuilder> other,
603 final Collection<ModuleBuilder> filtered) {
604 Map<String, ModuleImport> imports = main.getImports();
606 // if this is submodule, add parent to filtered and pick its imports
607 if (main.isSubmodule()) {
608 TreeMap<Date, ModuleBuilder> dependencies = new TreeMap<>();
609 for (ModuleBuilder mb : other) {
610 if (mb.getName().equals(main.getBelongsTo())) {
611 dependencies.put(mb.getRevision(), mb);
614 ModuleBuilder parent = dependencies.get(dependencies.firstKey());
615 filtered.add(parent);
616 imports.putAll(parent.getImports());
619 for (ModuleImport mi : imports.values()) {
620 for (ModuleBuilder builder : other) {
621 if (mi.getModuleName().equals(builder.getModuleName())) {
622 if (mi.getRevision() == null) {
623 if (!filtered.contains(builder)) {
624 filtered.add(builder);
625 filterImports(builder, other, filtered);
628 if (mi.getRevision().equals(builder.getRevision())) {
629 if (!filtered.contains(builder)) {
630 filtered.add(builder);
631 filterImports(builder, other, filtered);
640 private Map<ByteSource, ParseTree> parseYangSources(final Collection<ByteSource> sources) throws IOException, YangSyntaxErrorException {
641 final Map<ByteSource, ParseTree> trees = new HashMap<>();
642 for (ByteSource source : sources) {
643 try (InputStream stream = source.openStream()) {
644 trees.put(source, parseYangSource(stream));
650 public static YangContext parseYangSource(final InputStream stream) throws IOException, YangSyntaxErrorException {
651 final YangLexer lexer = new YangLexer(new ANTLRInputStream(stream));
652 final CommonTokenStream tokens = new CommonTokenStream(lexer);
653 final YangParser parser = new YangParser(tokens);
654 parser.removeErrorListeners();
656 final YangErrorListener errorListener = new YangErrorListener();
657 parser.addErrorListener(errorListener);
659 final YangContext result = parser.yang();
660 errorListener.validate();
666 * Mini parser: This parsing context does not validate full YANG module,
667 * only parses header up to the revisions and imports.
669 * @see org.opendaylight.yangtools.yang.parser.impl.util.YangModelDependencyInfo
671 public static YangContext parseStreamWithoutErrorListeners(final InputStream yangStream) {
672 YangContext result = null;
674 final ANTLRInputStream input = new ANTLRInputStream(yangStream);
675 final YangLexer lexer = new YangLexer(input);
676 final CommonTokenStream tokens = new CommonTokenStream(lexer);
677 final YangParser parser = new YangParser(tokens);
678 parser.removeErrorListeners();
679 result = parser.yang();
680 } catch (IOException e) {
681 LOG.warn("Exception while reading yang file: " + yangStream, e);
687 * Creates builder-to-module map based on given modules. Method first
688 * resolve unresolved type references, instantiate groupings through uses
689 * statements and perform augmentation.
691 * Node resolving must be performed in following order:
694 * unresolved type references</li>
696 * uses in groupings</li>
698 * uses in other nodes</li>
705 * @return modules mapped on their builders
707 private Map<ModuleBuilder, Module> build(final Map<URI, TreeMap<Date, ModuleBuilder>> modules) {
708 resolveDirtyNodes(modules);
709 resolveAugmentsTargetPath(modules);
710 resolveUsesTargetGrouping(modules);
711 resolveUsesForGroupings(modules);
712 resolveUsesForNodes(modules);
713 resolveAugments(modules);
714 resolveIdentities(modules);
715 checkChoiceCasesForDuplicityQNames(modules);
718 final Map<ModuleBuilder, Module> result = new LinkedHashMap<>();
719 for (Map.Entry<URI, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
720 for (Map.Entry<Date, ModuleBuilder> childEntry : entry.getValue().entrySet()) {
721 final ModuleBuilder moduleBuilder = childEntry.getValue();
722 final Module module = moduleBuilder.build();
723 result.put(moduleBuilder, module);
730 * Resolve all unresolved type references.
735 private void resolveDirtyNodes(final Map<URI, TreeMap<Date, ModuleBuilder>> modules) {
736 for (Map.Entry<URI, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
737 for (Map.Entry<Date, ModuleBuilder> childEntry : entry.getValue().entrySet()) {
738 final ModuleBuilder module = childEntry.getValue();
739 resolveUnknownNodes(modules, module);
740 resolveDirtyNodes(modules, module);
746 * Search for dirty nodes (node which contains UnknownType) and resolve
750 * all available modules
754 private void resolveDirtyNodes(final Map<URI, TreeMap<Date, ModuleBuilder>> modules, final ModuleBuilder module) {
755 final Set<TypeAwareBuilder> dirtyNodes = module.getDirtyNodes();
756 if (!dirtyNodes.isEmpty()) {
757 for (TypeAwareBuilder nodeToResolve : dirtyNodes) {
758 if (nodeToResolve instanceof UnionTypeBuilder) {
759 // special handling for union types
760 resolveTypeUnion((UnionTypeBuilder) nodeToResolve, modules, module);
761 } else if (nodeToResolve.getTypedef() instanceof IdentityrefTypeBuilder) {
762 // special handling for identityref types
763 IdentityrefTypeBuilder idref = (IdentityrefTypeBuilder) nodeToResolve.getTypedef();
764 IdentitySchemaNodeBuilder identity = findBaseIdentity(module, idref.getBaseString(),
766 if (identity == null) {
767 throw new YangParseException(module.getName(), idref.getLine(), "Failed to find base identity");
769 idref.setBaseIdentity(identity);
770 nodeToResolve.setType(idref.build());
772 resolveType(nodeToResolve, modules, module);
779 * Traverse through augmentations of modules and fix their child nodes
785 private void resolveAugmentsTargetPath(final Map<URI, TreeMap<Date, ModuleBuilder>> modules) {
786 // collect augments from all loaded modules
787 final List<AugmentationSchemaBuilder> allAugments = new ArrayList<>();
788 for (Map.Entry<URI, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
789 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
790 allAugments.addAll(inner.getValue().getAllAugments());
794 for (AugmentationSchemaBuilder augment : allAugments) {
795 setCorrectAugmentTargetPath(augment);
800 * Find augment target and set correct schema path for all its child nodes.
805 private void setCorrectAugmentTargetPath(final AugmentationSchemaBuilder augment) {
806 Builder parent = augment.getParent();
807 final SchemaPath targetNodeSchemaPath;
809 if (parent instanceof UsesNodeBuilder) {
810 targetNodeSchemaPath = findUsesAugmentTargetNodePath(((UsesNodeBuilder) parent).getParent(), augment);
812 targetNodeSchemaPath = augment.getTargetPath();
815 for (DataSchemaNodeBuilder childNode : augment.getChildNodeBuilders()) {
816 correctPathForAugmentNodes(childNode, targetNodeSchemaPath);
820 private SchemaPath findUsesAugmentTargetNodePath(DataNodeContainerBuilder usesParent,
821 AugmentationSchemaBuilder augment) {
822 QName parentQName = usesParent.getQName();
823 final QNameModule qnm;
824 if (parentQName == null) {
825 ModuleBuilder m = BuilderUtils.getParentModule(usesParent);
826 qnm = m.getQNameModule();
828 qnm = parentQName.getModule();
831 SchemaPath path = usesParent.getPath();
832 for (QName qname : augment.getTargetPath().getPathFromRoot()) {
833 path = path.createChild(QName.create(qnm, qname.getLocalName()));
840 * Set new schema path to node and all its child nodes based on given parent
841 * path. This method do not change the namespace.
844 * node which schema path should be updated
846 * schema path of parent node
848 private void correctPathForAugmentNodes(final DataSchemaNodeBuilder node, final SchemaPath parentPath) {
849 SchemaPath newPath = parentPath.createChild(node.getQName());
850 node.setPath(newPath);
851 if (node instanceof DataNodeContainerBuilder) {
852 for (DataSchemaNodeBuilder child : ((DataNodeContainerBuilder) node).getChildNodeBuilders()) {
853 correctPathForAugmentNodes(child, node.getPath());
856 if (node instanceof ChoiceBuilder) {
857 for (ChoiceCaseBuilder child : ((ChoiceBuilder) node).getCases()) {
858 correctPathForAugmentNodes(child, node.getPath());
864 * Check augments for mandatory nodes. If the target node is in another
865 * module, then nodes added by the augmentation MUST NOT be mandatory nodes.
866 * If mandatory node is found, throw an exception.
871 private void checkAugmentMandatoryNodes(final Collection<AugmentationSchemaBuilder> augments) {
872 for (AugmentationSchemaBuilder augment : augments) {
873 URI augmentTargetNs = augment.getTargetPath().getPathFromRoot().iterator().next().getNamespace();
874 Date augmentTargetRev = augment.getTargetPath().getPathFromRoot().iterator().next().getRevision();
875 ModuleBuilder module = BuilderUtils.getParentModule(augment);
877 if (augmentTargetNs.equals(module.getNamespace()) && augmentTargetRev.equals(module.getRevision())) {
881 for (DataSchemaNodeBuilder childNode : augment.getChildNodeBuilders()) {
882 if (childNode.getConstraints().isMandatory()) {
883 throw new YangParseException(augment.getModuleName(), augment.getLine(),
884 "Error in augment parsing: cannot augment mandatory node "
885 + childNode.getQName().getLocalName());
892 * Go through all augment definitions and resolve them.
895 * all loaded modules topologically sorted (based on dependencies
896 * between each other)
898 private void resolveAugments(final Map<URI, TreeMap<Date, ModuleBuilder>> modules) {
899 List<ModuleBuilder> all = new ArrayList<>();
900 for (Map.Entry<URI, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
901 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
902 all.add(inner.getValue());
906 for (ModuleBuilder mb : all) {
908 List<AugmentationSchemaBuilder> augments = mb.getAllAugments();
909 checkAugmentMandatoryNodes(augments);
910 Collections.sort(augments, Comparators.AUGMENT_BUILDER_COMP);
911 for (AugmentationSchemaBuilder augment : augments) {
912 if (!(augment.isResolved())) {
913 boolean resolved = resolveAugment(augment, mb, modules);
915 throw new YangParseException(augment.getModuleName(), augment.getLine(),
916 "Error in augment parsing: failed to find augment target: " + augment);
925 * Perform augmentation defined under uses statement.
933 * @return true if augment process succeed
935 private boolean resolveUsesAugment(final AugmentationSchemaBuilder augment, final ModuleBuilder module,
936 final Map<URI, TreeMap<Date, ModuleBuilder>> modules) {
937 if (augment.isResolved()) {
941 UsesNodeBuilder usesNode = (UsesNodeBuilder) augment.getParent();
942 DataNodeContainerBuilder parentNode = usesNode.getParent();
943 Optional<SchemaNodeBuilder> potentialTargetNode;
944 SchemaPath resolvedTargetPath = findUsesAugmentTargetNodePath(parentNode, augment);
945 if (parentNode instanceof ModuleBuilder && resolvedTargetPath.isAbsolute()) {
946 // Uses is directly used in module body, we lookup
947 // We lookup in data namespace to find correct augmentation target
948 potentialTargetNode = findSchemaNodeInModule(resolvedTargetPath, (ModuleBuilder) parentNode);
950 // Uses is used in local context (be it data namespace or grouping
952 // since all nodes via uses are imported to localName, it is safe to
953 // to proceed only with local names.
955 // Conflicting elements in other namespaces are still not present
956 // since resolveUsesAugment occurs before augmenting from external
958 potentialTargetNode = Optional.<SchemaNodeBuilder> fromNullable(findSchemaNode(augment.getTargetPath()
959 .getPathFromRoot(), (SchemaNodeBuilder) parentNode));
962 if (potentialTargetNode.isPresent()) {
963 SchemaNodeBuilder targetNode = potentialTargetNode.get();
964 if (targetNode instanceof AugmentationTargetBuilder) {
965 fillAugmentTarget(augment, targetNode);
966 ((AugmentationTargetBuilder) targetNode).addAugmentation(augment);
967 augment.setResolved(true);
971 "Error in module {} at line {}: Unsupported augment target: {}. Augmentation process skipped.",
972 module.getName(), augment.getLine(), potentialTargetNode);
973 augment.setResolved(true);
974 augment.setUnsupportedTarget(true);
978 throw new YangParseException(module.getName(), augment.getLine(), String.format(
979 "Failed to resolve augment in uses. Invalid augment target path: %s", augment.getTargetPath()));
985 * Find augment target module and perform augmentation.
993 * @return true if augment process succeed
995 private boolean resolveAugment(final AugmentationSchemaBuilder augment, final ModuleBuilder module,
996 final Map<URI, TreeMap<Date, ModuleBuilder>> modules) {
997 if (augment.isResolved()) {
1001 QName targetModuleName = augment.getTargetPath().getPathFromRoot().iterator().next();
1002 ModuleBuilder targetModule = BuilderUtils.findModule(targetModuleName, modules);
1003 if (targetModule == null) {
1004 throw new YangParseException(module.getModuleName(), augment.getLine(), "Failed to resolve augment "
1008 return processAugmentation(augment, targetModule);
1012 * Go through identity statements defined in current module and resolve
1013 * their 'base' statement.
1016 * all loaded modules
1018 private void resolveIdentities(final Map<URI, TreeMap<Date, ModuleBuilder>> modules) {
1019 for (Map.Entry<URI, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
1020 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
1021 ModuleBuilder module = inner.getValue();
1022 final Set<IdentitySchemaNodeBuilder> identities = module.getAddedIdentities();
1023 for (IdentitySchemaNodeBuilder identity : identities) {
1024 resolveIdentity(module, identity);
1030 private void resolveIdentity(final ModuleBuilder module,
1031 final IdentitySchemaNodeBuilder identity) {
1032 final String baseIdentityName = identity.getBaseIdentityName();
1033 if (baseIdentityName != null) {
1034 IdentitySchemaNodeBuilder result = null;
1035 if (baseIdentityName.contains(":")) {
1036 final int line = identity.getLine();
1037 String[] splittedBase = baseIdentityName.split(":");
1038 if (splittedBase.length > 2) {
1039 throw new YangParseException(module.getName(), line,
1040 "Failed to parse identityref base: "
1041 + baseIdentityName);
1043 String prefix = splittedBase[0];
1044 String name = splittedBase[1];
1046 if (prefix.equals(module.getPrefix())
1047 && name.equals(identity.getQName().getLocalName())) {
1048 throw new YangParseException(module.getName(),
1050 "Failed to parse base, identity name equals base identity name: "
1051 + baseIdentityName);
1054 ModuleBuilder dependentModule = BuilderUtils.getModuleByPrefix(
1056 result = BuilderUtils.findIdentity(
1057 dependentModule.getAddedIdentities(), name);
1059 if (baseIdentityName.equals(identity.getQName().getLocalName())) {
1060 throw new YangParseException(module.getName(),
1062 "Failed to parse base, identity name equals base identity name: "
1063 + baseIdentityName);
1065 result = BuilderUtils.findIdentity(module.getAddedIdentities(),
1068 identity.setBaseIdentity(result);
1073 * Find and add reference of uses target grouping.
1076 * all loaded modules
1078 private void resolveUsesTargetGrouping(final Map<URI, TreeMap<Date, ModuleBuilder>> modules) {
1079 final List<UsesNodeBuilder> allUses = new ArrayList<>();
1080 for (Map.Entry<URI, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
1081 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
1082 allUses.addAll(inner.getValue().getAllUsesNodes());
1085 for (UsesNodeBuilder usesNode : allUses) {
1086 ModuleBuilder module = BuilderUtils.getParentModule(usesNode);
1087 final GroupingBuilder targetGroupingBuilder = GroupingUtils.getTargetGroupingFromModules(usesNode, modules,
1089 usesNode.setGrouping(targetGroupingBuilder);
1094 * Resolve uses statements defined in groupings.
1097 * all loaded modules
1099 private void resolveUsesForGroupings(final Map<URI, TreeMap<Date, ModuleBuilder>> modules) {
1100 final Set<GroupingBuilder> allGroupings = new HashSet<>();
1101 for (Map.Entry<URI, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
1102 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
1103 ModuleBuilder module = inner.getValue();
1104 allGroupings.addAll(module.getAllGroupings());
1107 final List<GroupingBuilder> sorted = GroupingSort.sort(allGroupings);
1108 for (GroupingBuilder gb : sorted) {
1109 List<UsesNodeBuilder> usesNodes = new ArrayList<>(GroupingSort.getAllUsesNodes(gb));
1110 Collections.sort(usesNodes, new GroupingUtils.UsesComparator());
1111 for (UsesNodeBuilder usesNode : usesNodes) {
1112 resolveUses(usesNode, modules);
1118 * Resolve uses statements.
1121 * all loaded modules
1123 private void resolveUsesForNodes(final Map<URI, TreeMap<Date, ModuleBuilder>> modules) {
1124 for (Map.Entry<URI, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
1125 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
1126 ModuleBuilder module = inner.getValue();
1127 List<UsesNodeBuilder> usesNodes = module.getAllUsesNodes();
1128 Collections.sort(usesNodes, new GroupingUtils.UsesComparator());
1129 for (UsesNodeBuilder usesNode : usesNodes) {
1130 resolveUses(usesNode, modules);
1137 * Find target grouping and copy its child nodes to current location with
1141 * uses node to resolve
1143 * all loaded modules
1145 private void resolveUses(final UsesNodeBuilder usesNode, final Map<URI, TreeMap<Date, ModuleBuilder>> modules) {
1146 if (!usesNode.isResolved()) {
1147 DataNodeContainerBuilder parent = usesNode.getParent();
1148 ModuleBuilder module = BuilderUtils.getParentModule(parent);
1149 GroupingBuilder target = GroupingUtils.getTargetGroupingFromModules(usesNode, modules, module);
1151 int index = nodeAfterUsesIndex(usesNode);
1152 List<DataSchemaNodeBuilder> targetNodes = target.instantiateChildNodes(parent);
1153 for (DataSchemaNodeBuilder targetNode : targetNodes) {
1154 parent.addChildNode(index++, targetNode);
1156 parent.getTypeDefinitionBuilders().addAll(target.instantiateTypedefs(parent));
1157 parent.getGroupingBuilders().addAll(target.instantiateGroupings(parent));
1158 parent.getUnknownNodes().addAll(target.instantiateUnknownNodes(parent));
1159 usesNode.setResolved(true);
1160 for (AugmentationSchemaBuilder augment : usesNode.getAugmentations()) {
1161 resolveUsesAugment(augment, module, modules);
1164 GroupingUtils.performRefine(usesNode);
1168 private int nodeAfterUsesIndex(final UsesNodeBuilder usesNode) {
1169 DataNodeContainerBuilder parent = usesNode.getParent();
1170 int usesLine = usesNode.getLine();
1172 List<DataSchemaNodeBuilder> childNodes = parent.getChildNodeBuilders();
1173 if (childNodes.isEmpty()) {
1177 DataSchemaNodeBuilder nextNodeAfterUses = null;
1178 for (DataSchemaNodeBuilder childNode : childNodes) {
1179 if (!(childNode.isAddedByUses()) && !(childNode.isAugmenting())) {
1180 if (childNode.getLine() > usesLine) {
1181 nextNodeAfterUses = childNode;
1187 // uses is declared after child nodes
1188 if (nextNodeAfterUses == null) {
1189 return childNodes.size();
1192 return parent.getChildNodeBuilders().indexOf(nextNodeAfterUses);
1196 * Try to find extension describing this unknown node and assign it to
1197 * unknown node builder.
1200 * all loaded modules
1204 private void resolveUnknownNodes(final Map<URI, TreeMap<Date, ModuleBuilder>> modules, final ModuleBuilder module) {
1205 for (UnknownSchemaNodeBuilder usnb : module.getAllUnknownNodes()) {
1206 QName nodeType = usnb.getNodeType();
1207 String localName = usnb.getNodeType().getLocalName();
1208 ModuleBuilder dependentModule = BuilderUtils.findModule(nodeType, modules);
1210 if (dependentModule == null) {
1212 "Error in module {} at line {}: Failed to resolve node {}: no such extension definition found.",
1213 module.getName(), usnb.getLine(), usnb);
1217 ExtensionBuilder extBuilder = findExtBuilder(localName, dependentModule.getAddedExtensions());
1218 if (extBuilder == null) {
1219 ExtensionDefinition extDef = findExtDef(localName, dependentModule.getExtensions());
1220 if (extDef == null) {
1222 "Error in module {} at line {}: Failed to resolve node {}: no such extension definition found.",
1223 module.getName(), usnb.getLine(), usnb);
1225 usnb.setExtensionDefinition(extDef);
1228 usnb.setExtensionBuilder(extBuilder);
1233 private ExtensionBuilder findExtBuilder(final String name, final Collection<ExtensionBuilder> extensions) {
1234 for (ExtensionBuilder extension : extensions) {
1235 if (extension.getQName().getLocalName().equals(name)) {
1242 private ExtensionDefinition findExtDef(final String name, final Collection<ExtensionDefinition> extensions) {
1243 for (ExtensionDefinition extension : extensions) {
1244 if (extension.getQName().getLocalName().equals(name)) {
1253 * Traverse through modules and check if choice has choice cases with the
1257 * all loaded modules
1259 private void checkChoiceCasesForDuplicityQNames(final Map<URI, TreeMap<Date, ModuleBuilder>> modules) {
1260 for (Map.Entry<URI, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
1261 for (Map.Entry<Date, ModuleBuilder> childEntry : entry.getValue().entrySet()) {
1262 final ModuleBuilder moduleBuilder = childEntry.getValue();
1263 final Module module = moduleBuilder.build();
1264 final List<ChoiceSchemaNode> allChoicesFromModule = getChoicesFrom(module);
1266 for (ChoiceSchemaNode choiceNode : allChoicesFromModule) {
1267 findDuplicityNodesIn(choiceNode, module, moduleBuilder, modules);
1273 private void findDuplicityNodesIn(final ChoiceSchemaNode choiceNode, final Module module, final ModuleBuilder moduleBuilder,
1274 final Map<URI, TreeMap<Date, ModuleBuilder>> modules) {
1275 final Set<QName> duplicityTestSet = new HashSet<QName>();
1277 for (ChoiceCaseNode choiceCaseNode : choiceNode.getCases()) {
1279 for (DataSchemaNode childSchemaNode : choiceCaseNode.getChildNodes()) {
1280 if (!duplicityTestSet.add(childSchemaNode.getQName())) {
1281 final Optional<SchemaNodeBuilder> schemaNodeBuilder = BuilderUtils.findSchemaNodeInModule(childSchemaNode.getPath(), moduleBuilder);
1282 final String nameOfSchemaNode = childSchemaNode.getQName().getLocalName();
1283 int lineOfSchemaNode = 0;
1285 if (schemaNodeBuilder.isPresent()) {
1286 lineOfSchemaNode = schemaNodeBuilder.get().getLine();
1288 throw new YangParseException(module.getName(), lineOfSchemaNode,
1289 String.format("Choice has two nodes case with same qnames - %s", nameOfSchemaNode));
1295 private List<ChoiceSchemaNode> getChoicesFrom(final Module module) {
1296 final List<ChoiceSchemaNode> allChoices = new ArrayList<ChoiceSchemaNode>();
1298 for (DataSchemaNode dataSchemaNode : module.getChildNodes()) {
1299 findChoicesIn(dataSchemaNode, allChoices);
1304 private void findChoicesIn(final SchemaNode schemaNode, final Collection<ChoiceSchemaNode> choiceNodes) {
1305 if (schemaNode instanceof ContainerSchemaNode) {
1306 final ContainerSchemaNode contSchemaNode = (ContainerSchemaNode) schemaNode;
1307 for (DataSchemaNode dataSchemaNode : contSchemaNode.getChildNodes()) {
1308 findChoicesIn(dataSchemaNode, choiceNodes);
1310 } else if (schemaNode instanceof ListSchemaNode) {
1311 final ListSchemaNode listSchemaNode = (ListSchemaNode) schemaNode;
1312 for (DataSchemaNode dataSchemaNode : listSchemaNode.getChildNodes()) {
1313 findChoicesIn(dataSchemaNode, choiceNodes);
1315 } else if (schemaNode instanceof ChoiceSchemaNode) {
1316 choiceNodes.add((ChoiceSchemaNode) schemaNode);