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.findModuleFromBuilders;
13 import static org.opendaylight.yangtools.yang.parser.builder.impl.BuilderUtils.findModuleFromContext;
14 import static org.opendaylight.yangtools.yang.parser.builder.impl.BuilderUtils.findSchemaNode;
15 import static org.opendaylight.yangtools.yang.parser.builder.impl.BuilderUtils.findSchemaNodeInModule;
16 import static org.opendaylight.yangtools.yang.parser.builder.impl.BuilderUtils.processAugmentation;
17 import static org.opendaylight.yangtools.yang.parser.builder.impl.BuilderUtils.setNodeAddedByUses;
18 import static org.opendaylight.yangtools.yang.parser.builder.impl.BuilderUtils.wrapChildNode;
19 import static org.opendaylight.yangtools.yang.parser.builder.impl.BuilderUtils.wrapChildNodes;
20 import static org.opendaylight.yangtools.yang.parser.builder.impl.BuilderUtils.wrapGroupings;
21 import static org.opendaylight.yangtools.yang.parser.builder.impl.BuilderUtils.wrapTypedefs;
22 import static org.opendaylight.yangtools.yang.parser.builder.impl.BuilderUtils.wrapUnknownNodes;
23 import static org.opendaylight.yangtools.yang.parser.builder.impl.TypeUtils.resolveType;
24 import static org.opendaylight.yangtools.yang.parser.builder.impl.TypeUtils.resolveTypeUnion;
25 import static org.opendaylight.yangtools.yang.parser.builder.impl.TypeUtils.resolveTypeUnionWithContext;
26 import static org.opendaylight.yangtools.yang.parser.builder.impl.TypeUtils.resolveTypeWithContext;
28 import com.google.common.base.Optional;
29 import com.google.common.base.Preconditions;
30 import com.google.common.collect.HashBiMap;
31 import com.google.common.io.ByteSource;
33 import java.io.IOException;
34 import java.io.InputStream;
35 import java.util.ArrayList;
36 import java.util.Collection;
37 import java.util.Collections;
38 import java.util.Date;
39 import java.util.HashMap;
40 import java.util.HashSet;
41 import java.util.LinkedHashMap;
42 import java.util.LinkedHashSet;
43 import java.util.List;
46 import java.util.TreeMap;
47 import javax.annotation.concurrent.Immutable;
48 import org.antlr.v4.runtime.ANTLRInputStream;
49 import org.antlr.v4.runtime.CommonTokenStream;
50 import org.antlr.v4.runtime.tree.ParseTree;
51 import org.antlr.v4.runtime.tree.ParseTreeWalker;
52 import org.opendaylight.yangtools.antlrv4.code.gen.YangLexer;
53 import org.opendaylight.yangtools.antlrv4.code.gen.YangParser;
54 import org.opendaylight.yangtools.antlrv4.code.gen.YangParser.YangContext;
55 import org.opendaylight.yangtools.yang.common.QName;
56 import org.opendaylight.yangtools.yang.common.QNameModule;
57 import org.opendaylight.yangtools.yang.model.api.DataNodeContainer;
58 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
59 import org.opendaylight.yangtools.yang.model.api.ExtensionDefinition;
60 import org.opendaylight.yangtools.yang.model.api.GroupingDefinition;
61 import org.opendaylight.yangtools.yang.model.api.Module;
62 import org.opendaylight.yangtools.yang.model.api.ModuleIdentifier;
63 import org.opendaylight.yangtools.yang.model.api.ModuleImport;
64 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
65 import org.opendaylight.yangtools.yang.model.api.SchemaNode;
66 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
67 import org.opendaylight.yangtools.yang.model.parser.api.YangContextParser;
68 import org.opendaylight.yangtools.yang.model.parser.api.YangSyntaxErrorException;
69 import org.opendaylight.yangtools.yang.parser.builder.api.AugmentationSchemaBuilder;
70 import org.opendaylight.yangtools.yang.parser.builder.api.AugmentationTargetBuilder;
71 import org.opendaylight.yangtools.yang.parser.builder.api.Builder;
72 import org.opendaylight.yangtools.yang.parser.builder.api.DataNodeContainerBuilder;
73 import org.opendaylight.yangtools.yang.parser.builder.api.DataSchemaNodeBuilder;
74 import org.opendaylight.yangtools.yang.parser.builder.api.ExtensionBuilder;
75 import org.opendaylight.yangtools.yang.parser.builder.api.GroupingBuilder;
76 import org.opendaylight.yangtools.yang.parser.builder.api.SchemaNodeBuilder;
77 import org.opendaylight.yangtools.yang.parser.builder.api.TypeAwareBuilder;
78 import org.opendaylight.yangtools.yang.parser.builder.api.TypeDefinitionBuilder;
79 import org.opendaylight.yangtools.yang.parser.builder.api.UnknownSchemaNodeBuilder;
80 import org.opendaylight.yangtools.yang.parser.builder.api.UsesNodeBuilder;
81 import org.opendaylight.yangtools.yang.parser.builder.impl.BuilderUtils;
82 import org.opendaylight.yangtools.yang.parser.builder.impl.ChoiceBuilder;
83 import org.opendaylight.yangtools.yang.parser.builder.impl.ChoiceCaseBuilder;
84 import org.opendaylight.yangtools.yang.parser.builder.impl.DeviationBuilder;
85 import org.opendaylight.yangtools.yang.parser.builder.impl.GroupingUtils;
86 import org.opendaylight.yangtools.yang.parser.builder.impl.IdentitySchemaNodeBuilder;
87 import org.opendaylight.yangtools.yang.parser.builder.impl.IdentityrefTypeBuilder;
88 import org.opendaylight.yangtools.yang.parser.builder.impl.ModuleBuilder;
89 import org.opendaylight.yangtools.yang.parser.builder.impl.ModuleImpl;
90 import org.opendaylight.yangtools.yang.parser.builder.impl.UnionTypeBuilder;
91 import org.opendaylight.yangtools.yang.parser.builder.impl.UnknownSchemaNodeBuilderImpl;
92 import org.opendaylight.yangtools.yang.parser.builder.util.Comparators;
93 import org.opendaylight.yangtools.yang.parser.util.ModuleDependencySort;
94 import org.opendaylight.yangtools.yang.parser.util.NamedByteArrayInputStream;
95 import org.opendaylight.yangtools.yang.parser.util.NamedFileInputStream;
96 import org.opendaylight.yangtools.yang.parser.util.NamedInputStream;
97 import org.opendaylight.yangtools.yang.parser.util.YangParseException;
98 import org.slf4j.Logger;
99 import org.slf4j.LoggerFactory;
102 public final class YangParserImpl implements YangContextParser {
103 private static final Logger LOG = LoggerFactory.getLogger(YangParserImpl.class);
105 private static final String FAIL_DEVIATION_TARGET = "Failed to find deviation target.";
106 private static final YangParserImpl INSTANCE = new YangParserImpl();
108 public static YangParserImpl getInstance() {
116 public Set<Module> parseYangModels(final File yangFile, final File directory) {
118 return parseFile(yangFile, directory).getModules();
119 } catch (IOException | YangSyntaxErrorException e) {
120 throw new YangParseException("Failed to parse yang data", e);
125 public SchemaContext parseFile(final File yangFile, final File directory) throws IOException,
126 YangSyntaxErrorException {
127 Preconditions.checkState(yangFile.exists(), yangFile + " does not exists");
128 Preconditions.checkState(directory.exists(), directory + " does not exists");
129 Preconditions.checkState(directory.isDirectory(), directory + " is not a directory");
131 final String yangFileName = yangFile.getName();
132 final String[] fileList = checkNotNull(directory.list(), directory + " not found or is not a directory");
134 Map<ByteSource, File> sourceToFile = new LinkedHashMap<>();
135 ByteSource mainFileSource = BuilderUtils.fileToByteSource(yangFile);
136 sourceToFile.put(mainFileSource, yangFile);
138 for (String fileName : fileList) {
139 if (fileName.equals(yangFileName)) {
142 File dependency = new File(directory, fileName);
143 if (dependency.isFile()) {
144 sourceToFile.put(BuilderUtils.fileToByteSource(dependency), dependency);
148 Map<ByteSource, ModuleBuilder> sourceToBuilder = parseSourcesToBuilders(sourceToFile.keySet());
149 ModuleBuilder main = sourceToBuilder.get(mainFileSource);
151 List<ModuleBuilder> moduleBuilders = new ArrayList<>();
152 moduleBuilders.add(main);
153 filterImports(main, new ArrayList<>(sourceToBuilder.values()), moduleBuilders);
154 Collection<ModuleBuilder> resolved = resolveSubmodules(moduleBuilders);
156 // module builders sorted by dependencies
157 List<ModuleBuilder> sortedBuilders = ModuleDependencySort.sort(resolved);
158 LinkedHashMap<String, TreeMap<Date, ModuleBuilder>> modules = orderModules(sortedBuilders);
159 Collection<Module> unsorted = build(modules).values();
160 Set<Module> result = new LinkedHashSet<>(
161 ModuleDependencySort.sort(unsorted.toArray(new Module[unsorted.size()])));
162 return resolveSchemaContext(result);
167 public Set<Module> parseYangModels(final List<File> yangFiles) {
168 return parseFiles(yangFiles).getModules();
172 public SchemaContext parseFiles(final Collection<File> yangFiles) {
173 Collection<Module> unsorted = parseYangModelsMapped(yangFiles).values();
174 Set<Module> sorted = new LinkedHashSet<>(
175 ModuleDependencySort.sort(unsorted.toArray(new Module[unsorted.size()])));
176 return resolveSchemaContext(sorted);
181 public Set<Module> parseYangModels(final List<File> yangFiles, final SchemaContext context) {
183 return parseFiles(yangFiles, context).getModules();
184 } catch (IOException | YangSyntaxErrorException e) {
185 throw new YangParseException("Failed to parse yang data", e);
190 public SchemaContext parseFiles(final Collection<File> yangFiles, final SchemaContext context) throws IOException,
191 YangSyntaxErrorException {
192 if (yangFiles == null) {
193 return resolveSchemaContext(Collections.<Module> emptySet());
196 Collection<ByteSource> sources = BuilderUtils.filesToByteSources(yangFiles);
197 return parseSources(sources, context);
202 public Set<Module> parseYangModelsFromStreams(final List<InputStream> yangModelStreams) {
204 Collection<ByteSource> sources = BuilderUtils.streamsToByteSources(yangModelStreams);
205 return parseSources(sources).getModules();
206 } catch (IOException | YangSyntaxErrorException e) {
207 throw new YangParseException("Failed to parse yang data", e);
212 public SchemaContext parseSources(final Collection<ByteSource> sources) throws IOException,
213 YangSyntaxErrorException {
214 Collection<Module> unsorted = parseYangModelSources(sources).values();
215 Set<Module> sorted = new LinkedHashSet<>(
216 ModuleDependencySort.sort(unsorted.toArray(new Module[unsorted.size()])));
217 return resolveSchemaContext(sorted);
222 public Set<Module> parseYangModelsFromStreams(final List<InputStream> yangModelStreams, final SchemaContext context) {
224 Collection<ByteSource> sources = BuilderUtils.streamsToByteSources(yangModelStreams);
225 return parseSources(sources, context).getModules();
226 } catch (IOException | YangSyntaxErrorException e) {
227 throw new YangParseException("Failed to parse yang data", e);
232 public SchemaContext parseSources(final Collection<ByteSource> sources, final SchemaContext context)
233 throws IOException, YangSyntaxErrorException {
234 if (sources == null) {
235 return resolveSchemaContext(Collections.<Module> emptySet());
238 final Map<String, TreeMap<Date, ModuleBuilder>> modules = resolveModuleBuilders(sources, context);
239 final Set<Module> unsorted = new LinkedHashSet<>(buildWithContext(modules, context).values());
240 if (context != null) {
241 for (Module m : context.getModules()) {
242 if (!unsorted.contains(m)) {
247 Set<Module> result = new LinkedHashSet<>(
248 ModuleDependencySort.sort(unsorted.toArray(new Module[unsorted.size()])));
249 return resolveSchemaContext(result);
253 public Map<File, Module> parseYangModelsMapped(final Collection<File> yangFiles) {
254 if (yangFiles == null || yangFiles.isEmpty()) {
255 return Collections.emptyMap();
258 Map<ByteSource, File> byteSourceToFile = new HashMap<>();
259 for (final File file : yangFiles) {
260 ByteSource source = new ByteSource() {
262 public InputStream openStream() throws IOException {
263 return new NamedFileInputStream(file, file.getPath());
266 byteSourceToFile.put(source, file);
269 Map<ByteSource, Module> byteSourceToModule;
271 byteSourceToModule = parseYangModelSources(byteSourceToFile.keySet());
272 } catch (IOException | YangSyntaxErrorException e) {
273 throw new YangParseException("Failed to parse yang data", e);
275 Map<File, Module> result = new LinkedHashMap<>();
276 for (Map.Entry<ByteSource, Module> entry : byteSourceToModule.entrySet()) {
277 result.put(byteSourceToFile.get(entry.getKey()), entry.getValue());
283 public Map<InputStream, Module> parseYangModelsFromStreamsMapped(final Collection<InputStream> yangModelStreams) {
284 if (yangModelStreams == null || yangModelStreams.isEmpty()) {
285 return Collections.emptyMap();
288 Map<ByteSource, InputStream> sourceToStream = new HashMap<>();
289 for (final InputStream stream : yangModelStreams) {
290 ByteSource source = new ByteSource() {
292 public InputStream openStream() throws IOException {
293 return NamedByteArrayInputStream.create(stream);
296 sourceToStream.put(source, stream);
299 Map<ByteSource, Module> sourceToModule;
301 sourceToModule = parseYangModelSources(sourceToStream.keySet());
302 } catch (IOException | YangSyntaxErrorException e) {
303 throw new YangParseException("Failed to parse yang data", e);
305 Map<InputStream, Module> result = new LinkedHashMap<>();
306 for (Map.Entry<ByteSource, Module> entry : sourceToModule.entrySet()) {
307 result.put(sourceToStream.get(entry.getKey()), entry.getValue());
313 public SchemaContext resolveSchemaContext(final Set<Module> modules) {
314 // after merging parse method with this one, add support for getting
315 // submodule sources.
316 Map<ModuleIdentifier, String> identifiersToSources = new HashMap<>();
317 for (Module module : modules) {
318 ModuleImpl moduleImpl = (ModuleImpl) module;
319 identifiersToSources.put(module, moduleImpl.getSource());
321 return new SchemaContextImpl(modules, identifiersToSources);
324 private Map<ByteSource, Module> parseYangModelSources(final Collection<ByteSource> sources) throws IOException,
325 YangSyntaxErrorException {
326 if (sources == null || sources.isEmpty()) {
327 return Collections.emptyMap();
330 Map<ByteSource, ModuleBuilder> sourceToBuilder = resolveSources(sources);
331 // sort and check for duplicates
332 List<ModuleBuilder> sorted = ModuleDependencySort.sort(sourceToBuilder.values());
333 Map<String, TreeMap<Date, ModuleBuilder>> modules = orderModules(sorted);
334 Map<ModuleBuilder, Module> builderToModule = build(modules);
335 Map<ModuleBuilder, ByteSource> builderToSource = HashBiMap.create(sourceToBuilder).inverse();
336 sorted = ModuleDependencySort.sort(builderToModule.keySet());
338 Map<ByteSource, Module> result = new LinkedHashMap<>();
339 for (ModuleBuilder moduleBuilder : sorted) {
340 Module value = checkNotNull(builderToModule.get(moduleBuilder), "Cannot get module for %s", moduleBuilder);
341 result.put(builderToSource.get(moduleBuilder), value);
348 * Parse streams and resolve submodules.
351 * collection of streams to parse
352 * @return map, where key is source stream and value is module builder
354 * @throws YangSyntaxErrorException
356 // TODO: remove ByteSource result after removing YangModelParser
357 private Map<ByteSource, ModuleBuilder> resolveSources(final Collection<ByteSource> streams)
358 throws IOException, YangSyntaxErrorException {
359 Map<ByteSource, ModuleBuilder> builders = parseSourcesToBuilders(streams);
360 return resolveSubmodules(builders);
363 private Map<ByteSource, ModuleBuilder> parseSourcesToBuilders(final Collection<ByteSource> sources)
364 throws IOException, YangSyntaxErrorException {
365 final ParseTreeWalker walker = new ParseTreeWalker();
366 final Map<ByteSource, ParseTree> sourceToTree = parseYangSources(sources);
367 final Map<ByteSource, ModuleBuilder> sourceToBuilder = new LinkedHashMap<>();
370 new YangModelBasicValidator(walker).validate(sourceToTree.values());
372 YangParserListenerImpl yangModelParser;
373 for (Map.Entry<ByteSource, ParseTree> entry : sourceToTree.entrySet()) {
374 ByteSource source = entry.getKey();
375 String path = null; // TODO refactor to Optional
376 //TODO refactor so that path can be retrieved without opening stream: NamedInputStream -> NamedByteSource ?
377 try(InputStream stream = source.openStream()) {
378 if (stream instanceof NamedInputStream) {
379 path = stream.toString();
382 yangModelParser = new YangParserListenerImpl(path);
383 walker.walk(yangModelParser, entry.getValue());
384 ModuleBuilder moduleBuilder = yangModelParser.getModuleBuilder();
385 moduleBuilder.setSource(source);
386 sourceToBuilder.put(source, moduleBuilder);
388 return sourceToBuilder;
391 private Map<ByteSource, ModuleBuilder> resolveSubmodules(final Map<ByteSource, ModuleBuilder> builders) {
392 Map<ByteSource, ModuleBuilder> modules = new HashMap<>();
393 Set<ModuleBuilder> submodules = new HashSet<>();
394 for (Map.Entry<ByteSource, ModuleBuilder> entry : builders.entrySet()) {
395 ModuleBuilder moduleBuilder = entry.getValue();
396 if (moduleBuilder.isSubmodule()) {
397 submodules.add(moduleBuilder);
399 modules.put(entry.getKey(), moduleBuilder);
403 Collection<ModuleBuilder> values = modules.values();
404 for (ModuleBuilder submodule : submodules) {
405 for (ModuleBuilder module : values) {
406 if (module.getName().equals(submodule.getBelongsTo())) {
407 addSubmoduleToModule(submodule, module);
415 * Traverse collection of builders, find builders representing submodule and
416 * add this submodule to its parent module.
419 * collection of builders containing modules and submodules
420 * @return collection of module builders
422 private Collection<ModuleBuilder> resolveSubmodules(final Collection<ModuleBuilder> builders) {
423 Collection<ModuleBuilder> modules = new HashSet<>();
424 Set<ModuleBuilder> submodules = new HashSet<>();
425 for (ModuleBuilder moduleBuilder : builders) {
426 if (moduleBuilder.isSubmodule()) {
427 submodules.add(moduleBuilder);
429 modules.add(moduleBuilder);
433 for (ModuleBuilder submodule : submodules) {
434 for (ModuleBuilder module : modules) {
435 if (module.getName().equals(submodule.getBelongsTo())) {
436 addSubmoduleToModule(submodule, module);
443 private void addSubmoduleToModule(final ModuleBuilder submodule, final ModuleBuilder module) {
444 submodule.setParent(module);
445 module.getDirtyNodes().addAll(submodule.getDirtyNodes());
446 module.getModuleImports().addAll(submodule.getModuleImports());
447 module.getAugments().addAll(submodule.getAugments());
448 module.getAugmentBuilders().addAll(submodule.getAugmentBuilders());
449 module.getAllAugments().addAll(submodule.getAllAugments());
450 module.getChildNodeBuilders().addAll(submodule.getChildNodeBuilders());
451 module.getChildNodes().putAll(submodule.getChildNodes());
452 module.getGroupings().addAll(submodule.getGroupings());
453 module.getGroupingBuilders().addAll(submodule.getGroupingBuilders());
454 module.getTypeDefinitions().addAll(submodule.getTypeDefinitions());
455 module.getTypeDefinitionBuilders().addAll(submodule.getTypeDefinitionBuilders());
456 module.getUsesNodes().addAll(submodule.getUsesNodes());
457 module.getUsesNodeBuilders().addAll(submodule.getUsesNodeBuilders());
458 module.getAllGroupings().addAll(submodule.getAllGroupings());
459 module.getAllUsesNodes().addAll(submodule.getAllUsesNodes());
460 module.getRpcs().addAll(submodule.getRpcs());
461 module.getAddedRpcs().addAll(submodule.getAddedRpcs());
462 module.getNotifications().addAll(submodule.getNotifications());
463 module.getAddedNotifications().addAll(submodule.getAddedNotifications());
464 module.getIdentities().addAll(submodule.getIdentities());
465 module.getAddedIdentities().addAll(submodule.getAddedIdentities());
466 module.getFeatures().addAll(submodule.getFeatures());
467 module.getAddedFeatures().addAll(submodule.getAddedFeatures());
468 module.getDeviations().addAll(submodule.getDeviations());
469 module.getDeviationBuilders().addAll(submodule.getDeviationBuilders());
470 module.getExtensions().addAll(submodule.getExtensions());
471 module.getAddedExtensions().addAll(submodule.getAddedExtensions());
472 module.getUnknownNodes().addAll(submodule.getUnknownNodes());
473 module.getAllUnknownNodes().addAll(submodule.getAllUnknownNodes());
476 private Map<String, TreeMap<Date, ModuleBuilder>> resolveModuleBuilders(
477 final Collection<ByteSource> yangFileStreams, final SchemaContext context) throws IOException,
478 YangSyntaxErrorException {
479 Map<ByteSource, ModuleBuilder> parsedBuilders = resolveSources(yangFileStreams);
480 ModuleBuilder[] builders = new ModuleBuilder[parsedBuilders.size()];
481 parsedBuilders.values().toArray(builders);
483 // module dependency graph sorted
484 List<ModuleBuilder> sorted;
485 if (context == null) {
486 sorted = ModuleDependencySort.sort(builders);
488 sorted = ModuleDependencySort.sortWithContext(context, builders);
490 return orderModules(sorted);
494 * Order modules by name and revision.
498 * @return modules ordered by name and revision
500 private LinkedHashMap<String, TreeMap<Date, ModuleBuilder>> orderModules(final List<ModuleBuilder> modules) {
501 final LinkedHashMap<String, TreeMap<Date, ModuleBuilder>> result = new LinkedHashMap<>();
502 for (final ModuleBuilder builder : modules) {
503 if (builder == null) {
506 final String builderName = builder.getName();
507 Date builderRevision = builder.getRevision();
508 if (builderRevision == null) {
509 builderRevision = new Date(0L);
511 TreeMap<Date, ModuleBuilder> builderByRevision = result.get(builderName);
512 if (builderByRevision == null) {
513 builderByRevision = new TreeMap<>();
515 builderByRevision.put(builderRevision, builder);
516 result.put(builderName, builderByRevision);
522 * Find {@code main} dependencies from {@code other} and add them to
530 * collection to fill up
532 private void filterImports(final ModuleBuilder main, final Collection<ModuleBuilder> other,
533 final Collection<ModuleBuilder> filtered) {
534 Set<ModuleImport> imports = main.getModuleImports();
536 // if this is submodule, add parent to filtered and pick its imports
537 if (main.isSubmodule()) {
538 TreeMap<Date, ModuleBuilder> dependencies = new TreeMap<>();
539 for (ModuleBuilder mb : other) {
540 if (mb.getName().equals(main.getBelongsTo())) {
541 dependencies.put(mb.getRevision(), mb);
544 ModuleBuilder parent = dependencies.get(dependencies.firstKey());
545 filtered.add(parent);
546 imports.addAll(parent.getModuleImports());
549 for (ModuleImport mi : imports) {
550 for (ModuleBuilder builder : other) {
551 if (mi.getModuleName().equals(builder.getModuleName())) {
552 if (mi.getRevision() == null) {
553 if (!filtered.contains(builder)) {
554 filtered.add(builder);
555 filterImports(builder, other, filtered);
558 if (mi.getRevision().equals(builder.getRevision())) {
559 if (!filtered.contains(builder)) {
560 filtered.add(builder);
561 filterImports(builder, other, filtered);
570 private Map<ByteSource, ParseTree> parseYangSources(final Collection<ByteSource> sources) throws IOException,
571 YangSyntaxErrorException {
572 final Map<ByteSource, ParseTree> trees = new HashMap<>();
573 for (ByteSource source : sources) {
574 trees.put(source, parseYangSource(source));
579 private YangContext parseYangSource(final ByteSource source) throws IOException, YangSyntaxErrorException {
580 try (InputStream stream = source.openStream()) {
581 final ANTLRInputStream input = new ANTLRInputStream(stream);
582 final YangLexer lexer = new YangLexer(input);
583 final CommonTokenStream tokens = new CommonTokenStream(lexer);
584 final YangParser parser = new YangParser(tokens);
585 parser.removeErrorListeners();
587 final YangErrorListener errorListener = new YangErrorListener();
588 parser.addErrorListener(errorListener);
590 final YangContext result = parser.yang();
591 errorListener.validate();
598 * Mini parser: This parsing context does not validate full YANG module, only
599 * parses header up to the revisions and imports.
600 * @see org.opendaylight.yangtools.yang.parser.impl.util.YangModelDependencyInfo
602 public static YangContext parseStreamWithoutErrorListeners(final InputStream yangStream) {
603 YangContext result = null;
605 final ANTLRInputStream input = new ANTLRInputStream(yangStream);
606 final YangLexer lexer = new YangLexer(input);
607 final CommonTokenStream tokens = new CommonTokenStream(lexer);
608 final YangParser parser = new YangParser(tokens);
609 parser.removeErrorListeners();
610 result = parser.yang();
611 } catch (IOException e) {
612 LOG.warn("Exception while reading yang file: " + yangStream, e);
618 * Creates builder-to-module map based on given modules. Method first
619 * resolve unresolved type references, instantiate groupings through uses
620 * statements and perform augmentation.
622 * Node resolving must be performed in following order:
625 * unresolved type references</li>
627 * uses in groupings</li>
629 * uses in other nodes</li>
636 * @return modules mapped on their builders
638 private Map<ModuleBuilder, Module> build(final Map<String, TreeMap<Date, ModuleBuilder>> modules) {
639 resolveDirtyNodes(modules);
640 resolveAugmentsTargetPath(modules, null);
641 resolveUsesTargetGrouping(modules, null);
642 resolveUsesForGroupings(modules, null);
643 resolveUsesForNodes(modules, null);
644 resolveAugments(modules, null);
645 resolveIdentities(modules);
646 resolveDeviations(modules);
649 final Map<ModuleBuilder, Module> result = new LinkedHashMap<>();
650 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
651 for (Map.Entry<Date, ModuleBuilder> childEntry : entry.getValue().entrySet()) {
652 final ModuleBuilder moduleBuilder = childEntry.getValue();
653 final Module module = moduleBuilder.build();
654 result.put(moduleBuilder, module);
661 * Creates builder-to-module map based on given modules. Method first
662 * resolve unresolved type references, instantiate groupings through uses
663 * statements and perform augmentation.
665 * Node resolving must be performed in following order:
668 * unresolved type references</li>
670 * uses in groupings</li>
672 * uses in other nodes</li>
680 * SchemaContext containing already resolved modules
681 * @return modules mapped on their builders
683 private Map<ModuleBuilder, Module> buildWithContext(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
684 final SchemaContext context) {
685 resolvedDirtyNodesWithContext(modules, context);
686 resolveAugmentsTargetPath(modules, context);
687 resolveUsesTargetGrouping(modules, context);
688 resolveUsesForGroupings(modules, context);
689 resolveUsesForNodes(modules, context);
690 resolveAugments(modules, context);
691 resolveIdentitiesWithContext(modules, context);
692 resolveDeviationsWithContext(modules, context);
695 final Map<ModuleBuilder, Module> result = new LinkedHashMap<>();
696 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
697 for (Map.Entry<Date, ModuleBuilder> childEntry : entry.getValue().entrySet()) {
698 final ModuleBuilder moduleBuilder = childEntry.getValue();
699 final Module module = moduleBuilder.build();
700 result.put(moduleBuilder, module);
707 * Resolve all unresolved type references.
712 private void resolveDirtyNodes(final Map<String, TreeMap<Date, ModuleBuilder>> modules) {
713 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
714 for (Map.Entry<Date, ModuleBuilder> childEntry : entry.getValue().entrySet()) {
715 final ModuleBuilder module = childEntry.getValue();
716 resolveUnknownNodes(modules, module);
717 resolveDirtyNodes(modules, module);
723 * Resolve all unresolved type references.
728 * SchemaContext containing already resolved modules
730 private void resolvedDirtyNodesWithContext(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
731 final SchemaContext context) {
732 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
733 for (Map.Entry<Date, ModuleBuilder> childEntry : entry.getValue().entrySet()) {
734 final ModuleBuilder module = childEntry.getValue();
735 resolveUnknownNodesWithContext(modules, module, context);
736 resolveDirtyNodesWithContext(modules, module, context);
742 * Search for dirty nodes (node which contains UnknownType) and resolve
746 * all available modules
750 private void resolveDirtyNodes(final Map<String, TreeMap<Date, ModuleBuilder>> modules, final ModuleBuilder module) {
751 final Set<TypeAwareBuilder> dirtyNodes = module.getDirtyNodes();
752 if (!dirtyNodes.isEmpty()) {
753 for (TypeAwareBuilder nodeToResolve : dirtyNodes) {
754 if (nodeToResolve instanceof UnionTypeBuilder) {
755 // special handling for union types
756 resolveTypeUnion((UnionTypeBuilder) nodeToResolve, modules, module);
757 } else if (nodeToResolve.getTypedef() instanceof IdentityrefTypeBuilder) {
758 // special handling for identityref types
759 IdentityrefTypeBuilder idref = (IdentityrefTypeBuilder) nodeToResolve.getTypedef();
760 IdentitySchemaNodeBuilder identity = findBaseIdentity(modules, module, idref.getBaseString(),
762 if (identity == null) {
763 throw new YangParseException(module.getName(), idref.getLine(), "Failed to find base identity");
765 idref.setBaseIdentity(identity);
766 nodeToResolve.setType(idref.build());
768 resolveType(nodeToResolve, modules, module);
774 private void resolveDirtyNodesWithContext(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
775 final ModuleBuilder module, final SchemaContext context) {
776 final Set<TypeAwareBuilder> dirtyNodes = module.getDirtyNodes();
777 if (!dirtyNodes.isEmpty()) {
778 for (TypeAwareBuilder nodeToResolve : dirtyNodes) {
779 if (nodeToResolve instanceof UnionTypeBuilder) {
780 // special handling for union types
781 resolveTypeUnionWithContext((UnionTypeBuilder) nodeToResolve, modules, module, context);
782 } else if (nodeToResolve.getTypedef() instanceof IdentityrefTypeBuilder) {
783 // special handling for identityref types
784 IdentityrefTypeBuilder idref = (IdentityrefTypeBuilder) nodeToResolve.getTypedef();
785 IdentitySchemaNodeBuilder identity = findBaseIdentity(modules, module, idref.getBaseString(),
787 idref.setBaseIdentity(identity);
788 nodeToResolve.setType(idref.build());
790 resolveTypeWithContext(nodeToResolve, modules, module, context);
797 * Traverse through augmentations of modules and fix their child nodes
803 * SchemaContext containing already resolved modules
805 private void resolveAugmentsTargetPath(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
806 final SchemaContext context) {
807 // collect augments from all loaded modules
808 final List<AugmentationSchemaBuilder> allAugments = new ArrayList<>();
809 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
810 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
811 allAugments.addAll(inner.getValue().getAllAugments());
815 for (AugmentationSchemaBuilder augment : allAugments) {
816 setCorrectAugmentTargetPath(modules, augment, context);
821 * Find augment target and set correct schema path for all its child nodes.
828 * SchemaContext containing already resolved modules
830 private void setCorrectAugmentTargetPath(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
831 final AugmentationSchemaBuilder augment, final SchemaContext context) {
832 ModuleBuilder module = BuilderUtils.getParentModule(augment);
833 SchemaPath oldSchemaPath = augment.getTargetPath();
834 List<QName> newPath = new ArrayList<>();
836 Builder parent = augment.getParent();
837 if (parent instanceof UsesNodeBuilder) {
838 DataNodeContainerBuilder usesParent = ((UsesNodeBuilder) parent).getParent();
839 newPath.addAll(usesParent.getPath().getPath());
841 final QName baseQName = usesParent.getQName();
842 final QNameModule qnm;
844 if (baseQName == null) {
845 ModuleBuilder m = BuilderUtils.getParentModule(usesParent);
846 qnm = m.getQNameModule();
847 prefix = m.getPrefix();
849 qnm = baseQName.getModule();
850 prefix = baseQName.getPrefix();
853 for (QName qn : oldSchemaPath.getPathFromRoot()) {
854 newPath.add(QName.create(qnm, prefix, qn.getLocalName()));
857 Iterable<QName> oldPath = oldSchemaPath.getPathFromRoot();
858 for (QName qn : oldPath) {
859 QNameModule qnm = module.getQNameModule();
860 String localPrefix = qn.getPrefix();
861 if (localPrefix != null && !localPrefix.isEmpty()) {
862 ModuleBuilder currentModule = BuilderUtils.findModuleFromBuilders(modules, module, localPrefix,
864 if (currentModule == null) {
865 Module m = BuilderUtils.findModuleFromContext(context, module, localPrefix, augment.getLine());
867 throw new YangParseException(module.getName(), augment.getLine(), "Module with prefix "
868 + localPrefix + " not found.");
870 qnm = m.getQNameModule();
872 qnm = currentModule.getQNameModule();
875 newPath.add(new QName(qnm.getNamespace(), qnm.getRevision(), localPrefix, qn.getLocalName()));
878 augment.setTargetNodeSchemaPath(SchemaPath.create(newPath, true));
880 for (DataSchemaNodeBuilder childNode : augment.getChildNodeBuilders()) {
881 correctPathForAugmentNodes(childNode, augment.getTargetNodeSchemaPath());
886 * Set new schema path to node and all its child nodes based on given parent
887 * path. This method do not change the namespace.
890 * node which schema path should be updated
892 * schema path of parent node
894 private void correctPathForAugmentNodes(final DataSchemaNodeBuilder node, final SchemaPath parentPath) {
895 SchemaPath newPath = parentPath.createChild(node.getQName());
896 node.setPath(newPath);
897 if (node instanceof DataNodeContainerBuilder) {
898 for (DataSchemaNodeBuilder child : ((DataNodeContainerBuilder) node).getChildNodeBuilders()) {
899 correctPathForAugmentNodes(child, node.getPath());
902 if (node instanceof ChoiceBuilder) {
903 for (ChoiceCaseBuilder child : ((ChoiceBuilder) node).getCases()) {
904 correctPathForAugmentNodes(child, node.getPath());
910 * Check augments for mandatory nodes. If the target node is in another
911 * module, then nodes added by the augmentation MUST NOT be mandatory nodes.
912 * If mandatory node is found, throw an exception.
917 private void checkAugmentMandatoryNodes(final Collection<AugmentationSchemaBuilder> augments) {
918 for (AugmentationSchemaBuilder augment : augments) {
919 String augmentPrefix = augment.getTargetPath().getPathFromRoot().iterator().next().getPrefix();
920 ModuleBuilder module = BuilderUtils.getParentModule(augment);
921 String modulePrefix = module.getPrefix();
923 if (augmentPrefix == null || augmentPrefix.isEmpty() || augmentPrefix.equals(modulePrefix)) {
927 for (DataSchemaNodeBuilder childNode : augment.getChildNodeBuilders()) {
928 if (childNode.getConstraints().isMandatory()) {
929 throw new YangParseException(augment.getModuleName(), augment.getLine(),
930 "Error in augment parsing: cannot augment mandatory node "
931 + childNode.getQName().getLocalName());
938 * Go through all augment definitions and resolve them.
943 * SchemaContext containing already resolved modules
945 private void resolveAugments(final Map<String, TreeMap<Date, ModuleBuilder>> modules, final SchemaContext context) {
946 List<ModuleBuilder> all = new ArrayList<>();
947 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
948 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
949 all.add(inner.getValue());
953 List<ModuleBuilder> sorted;
954 if (context == null) {
955 sorted = ModuleDependencySort.sort(all.toArray(new ModuleBuilder[all.size()]));
957 sorted = ModuleDependencySort.sortWithContext(context, all.toArray(new ModuleBuilder[all.size()]));
960 for (ModuleBuilder mb : sorted) {
962 List<AugmentationSchemaBuilder> augments = mb.getAllAugments();
963 checkAugmentMandatoryNodes(augments);
964 Collections.sort(augments, Comparators.AUGMENT_BUILDER_COMP);
965 for (AugmentationSchemaBuilder augment : augments) {
966 if (!(augment.isResolved())) {
967 boolean resolved = resolveAugment(augment, mb, modules, context);
969 throw new YangParseException(augment.getModuleName(), augment.getLine(),
970 "Error in augment parsing: failed to find augment target: " + augment);
979 * Perform augmentation defined under uses statement.
988 * SchemaContext containing already resolved modules
989 * @return true if augment process succeed
991 private boolean resolveUsesAugment(final AugmentationSchemaBuilder augment, final ModuleBuilder module,
992 final Map<String, TreeMap<Date, ModuleBuilder>> modules, final SchemaContext context) {
993 if (augment.isResolved()) {
997 UsesNodeBuilder usesNode = (UsesNodeBuilder) augment.getParent();
998 DataNodeContainerBuilder parentNode = usesNode.getParent();
999 Optional<SchemaNodeBuilder> potentialTargetNode;
1000 SchemaPath resolvedTargetPath = augment.getTargetNodeSchemaPath();
1001 if (parentNode instanceof ModuleBuilder && resolvedTargetPath.isAbsolute()) {
1002 // Uses is directly used in module body, we lookup
1003 // We lookup in data namespace to find correct augmentation target
1004 potentialTargetNode = findSchemaNodeInModule(resolvedTargetPath, (ModuleBuilder) parentNode);
1006 // Uses is used in local context (be it data namespace or grouping namespace,
1007 // since all nodes via uses are imported to localName, it is safe to
1008 // to proceed only with local names.
1010 // Conflicting elements in other namespaces are still not present
1011 // since resolveUsesAugment occurs before augmenting from external modules.
1012 potentialTargetNode = Optional.<SchemaNodeBuilder> fromNullable(findSchemaNode(augment.getTargetPath()
1013 .getPath(), (SchemaNodeBuilder) parentNode));
1016 if (potentialTargetNode.isPresent()) {
1017 SchemaNodeBuilder targetNode = potentialTargetNode.get();
1018 if (targetNode instanceof AugmentationTargetBuilder) {
1019 fillAugmentTarget(augment, targetNode);
1020 ((AugmentationTargetBuilder) targetNode).addAugmentation(augment);
1021 augment.setResolved(true);
1024 throw new YangParseException(module.getName(), augment.getLine(), String.format(
1025 "Failed to resolve augment in uses. Invalid augment target: %s", potentialTargetNode));
1028 throw new YangParseException(module.getName(), augment.getLine(), String.format(
1029 "Failed to resolve augment in uses. Invalid augment target path: %s", augment.getTargetPath()));
1035 * Find augment target module and perform augmentation.
1038 * augment to resolve
1042 * all loaded modules
1044 * SchemaContext containing already resolved modules
1045 * @return true if augment process succeed
1047 private boolean resolveAugment(final AugmentationSchemaBuilder augment, final ModuleBuilder module,
1048 final Map<String, TreeMap<Date, ModuleBuilder>> modules, final SchemaContext context) {
1049 if (augment.isResolved()) {
1053 QName targetPath = augment.getTargetPath().getPathFromRoot().iterator().next();
1054 ModuleBuilder targetModule = findTargetModule(targetPath, module, modules, context, augment.getLine());
1055 if (targetModule == null) {
1056 throw new YangParseException(module.getModuleName(), augment.getLine(), "Failed to resolve augment "
1060 return processAugmentation(augment, targetModule);
1064 * Find module from loaded modules or from context based on given qname. If
1065 * module is found in context, create wrapper over this module and add it to
1066 * collection of loaded modules.
1072 * all loaded modules
1079 private ModuleBuilder findTargetModule(final QName qname, final ModuleBuilder module,
1080 final Map<String, TreeMap<Date, ModuleBuilder>> modules, final SchemaContext context, final int line) {
1081 ModuleBuilder targetModule;
1083 String prefix = qname.getPrefix();
1084 if (prefix == null || prefix.equals("")) {
1085 targetModule = module;
1087 targetModule = findModuleFromBuilders(modules, module, qname.getPrefix(), line);
1090 if (targetModule == null && context != null) {
1091 Module m = findModuleFromContext(context, module, prefix, line);
1092 targetModule = new ModuleBuilder(m);
1093 DataSchemaNode firstNode = m.getDataChildByName(qname.getLocalName());
1094 DataSchemaNodeBuilder firstNodeWrapped = wrapChildNode(targetModule.getModuleName(), line, firstNode,
1095 targetModule.getPath(), firstNode.getQName());
1096 targetModule.addChildNode(firstNodeWrapped);
1098 TreeMap<Date, ModuleBuilder> map = new TreeMap<>();
1099 map.put(targetModule.getRevision(), targetModule);
1100 modules.put(targetModule.getModuleName(), map);
1103 return targetModule;
1106 private ModuleBuilder findTargetModule(final String prefix, final ModuleBuilder module,
1107 final Map<String, TreeMap<Date, ModuleBuilder>> modules, final SchemaContext context, final int line) {
1108 ModuleBuilder targetModule;
1110 if (prefix == null || prefix.equals("")) {
1111 targetModule = module;
1113 targetModule = findModuleFromBuilders(modules, module, prefix, line);
1116 if (targetModule == null && context != null) {
1117 Module m = findModuleFromContext(context, module, prefix, line);
1119 targetModule = new ModuleBuilder(m);
1120 TreeMap<Date, ModuleBuilder> map = new TreeMap<>();
1121 map.put(targetModule.getRevision(), targetModule);
1122 modules.put(targetModule.getModuleName(), map);
1126 return targetModule;
1130 * Go through identity statements defined in current module and resolve
1131 * their 'base' statement if present.
1136 * module being resolved
1138 private void resolveIdentities(final Map<String, TreeMap<Date, ModuleBuilder>> modules) {
1139 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
1140 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
1141 ModuleBuilder module = inner.getValue();
1142 final Set<IdentitySchemaNodeBuilder> identities = module.getAddedIdentities();
1143 for (IdentitySchemaNodeBuilder identity : identities) {
1144 final String baseIdentityName = identity.getBaseIdentityName();
1145 final int line = identity.getLine();
1146 if (baseIdentityName != null) {
1147 IdentitySchemaNodeBuilder baseIdentity = findBaseIdentity(modules, module, baseIdentityName,
1149 if (baseIdentity == null) {
1150 throw new YangParseException(module.getName(), identity.getLine(),
1151 "Failed to find base identity");
1153 identity.setBaseIdentity(baseIdentity);
1163 * Go through identity statements defined in current module and resolve
1164 * their 'base' statement. Method tries to find base identity in given
1165 * modules. If base identity is not found, method will search it in context.
1168 * all loaded modules
1172 * SchemaContext containing already resolved modules
1174 private void resolveIdentitiesWithContext(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
1175 final SchemaContext context) {
1176 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
1177 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
1178 ModuleBuilder module = inner.getValue();
1179 final Set<IdentitySchemaNodeBuilder> identities = module.getAddedIdentities();
1180 for (IdentitySchemaNodeBuilder identity : identities) {
1181 final String baseIdentityName = identity.getBaseIdentityName();
1182 final int line = identity.getLine();
1183 if (baseIdentityName != null) {
1185 IdentitySchemaNodeBuilder result = null;
1186 if (baseIdentityName.contains(":")) {
1187 String[] splittedBase = baseIdentityName.split(":");
1188 if (splittedBase.length > 2) {
1189 throw new YangParseException(module.getName(), line,
1190 "Failed to parse identityref base: " + baseIdentityName);
1192 String prefix = splittedBase[0];
1193 String name = splittedBase[1];
1194 ModuleBuilder dependentModule = findTargetModule(prefix, module, modules, context, line);
1195 if (dependentModule != null) {
1196 result = BuilderUtils.findIdentity(dependentModule.getAddedIdentities(), name);
1199 result = BuilderUtils.findIdentity(module.getAddedIdentities(), baseIdentityName);
1201 identity.setBaseIdentity(result);
1209 * Find and add reference of uses target grouping.
1212 * all loaded modules
1214 * SchemaContext containing already resolved modules or null if
1215 * context is not available
1217 private void resolveUsesTargetGrouping(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
1218 final SchemaContext context) {
1219 final List<UsesNodeBuilder> allUses = new ArrayList<>();
1220 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
1221 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
1222 allUses.addAll(inner.getValue().getAllUsesNodes());
1225 for (UsesNodeBuilder usesNode : allUses) {
1226 ModuleBuilder module = BuilderUtils.getParentModule(usesNode);
1227 final GroupingBuilder targetGroupingBuilder = GroupingUtils.getTargetGroupingFromModules(usesNode, modules,
1229 if (targetGroupingBuilder == null) {
1230 if (context == null) {
1231 throw new YangParseException(module.getName(), usesNode.getLine(), "Referenced grouping '"
1232 + usesNode.getGroupingPathAsString() + "' not found.");
1234 GroupingDefinition targetGroupingDefinition = GroupingUtils.getTargetGroupingFromContext(usesNode,
1236 usesNode.setGroupingDefinition(targetGroupingDefinition);
1239 usesNode.setGrouping(targetGroupingBuilder);
1245 * Resolve uses statements defined in groupings.
1248 * all loaded modules
1250 * SchemaContext containing already resolved modules
1252 private void resolveUsesForGroupings(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
1253 final SchemaContext context) {
1254 final Set<GroupingBuilder> allGroupings = new HashSet<>();
1255 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
1256 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
1257 ModuleBuilder module = inner.getValue();
1258 allGroupings.addAll(module.getAllGroupings());
1261 final List<GroupingBuilder> sorted = GroupingSort.sort(allGroupings);
1262 for (GroupingBuilder gb : sorted) {
1263 List<UsesNodeBuilder> usesNodes = new ArrayList<>(GroupingSort.getAllUsesNodes(gb));
1264 Collections.sort(usesNodes, new GroupingUtils.UsesComparator());
1265 for (UsesNodeBuilder usesNode : usesNodes) {
1266 resolveUses(usesNode, modules, context);
1272 * Resolve uses statements.
1275 * all loaded modules
1277 * SchemaContext containing already resolved modules
1279 private void resolveUsesForNodes(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
1280 final SchemaContext context) {
1281 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
1282 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
1283 ModuleBuilder module = inner.getValue();
1284 List<UsesNodeBuilder> usesNodes = module.getAllUsesNodes();
1285 Collections.sort(usesNodes, new GroupingUtils.UsesComparator());
1286 for (UsesNodeBuilder usesNode : usesNodes) {
1287 resolveUses(usesNode, modules, context);
1294 * Find target grouping and copy its child nodes to current location with
1298 * uses node to resolve
1300 * all loaded modules
1302 * SchemaContext containing already resolved modules
1304 private void resolveUses(final UsesNodeBuilder usesNode, final Map<String, TreeMap<Date, ModuleBuilder>> modules,
1305 final SchemaContext context) {
1306 if (!usesNode.isResolved()) {
1307 DataNodeContainerBuilder parent = usesNode.getParent();
1308 ModuleBuilder module = BuilderUtils.getParentModule(parent);
1309 GroupingBuilder target = GroupingUtils.getTargetGroupingFromModules(usesNode, modules, module);
1310 if (target == null) {
1311 resolveUsesWithContext(usesNode);
1312 usesNode.setResolved(true);
1313 for (AugmentationSchemaBuilder augment : usesNode.getAugmentations()) {
1314 resolveUsesAugment(augment, module, modules, context);
1317 parent.getChildNodeBuilders().addAll(target.instantiateChildNodes(parent));
1318 parent.getTypeDefinitionBuilders().addAll(target.instantiateTypedefs(parent));
1319 parent.getGroupingBuilders().addAll(target.instantiateGroupings(parent));
1320 parent.getUnknownNodes().addAll(target.instantiateUnknownNodes(parent));
1321 usesNode.setResolved(true);
1322 for (AugmentationSchemaBuilder augment : usesNode.getAugmentations()) {
1323 resolveUsesAugment(augment, module, modules, context);
1326 GroupingUtils.performRefine(usesNode);
1331 * Copy target grouping child nodes to current location with new namespace.
1334 * uses node to resolve
1336 * all loaded modules
1338 * SchemaContext containing already resolved modules
1340 private void resolveUsesWithContext(final UsesNodeBuilder usesNode) {
1341 final int line = usesNode.getLine();
1342 DataNodeContainerBuilder parent = usesNode.getParent();
1343 ModuleBuilder module = BuilderUtils.getParentModule(parent);
1344 SchemaPath parentPath;
1346 final QName parentQName;
1347 if (parent instanceof AugmentationSchemaBuilder || parent instanceof ModuleBuilder) {
1348 parentQName = QName.create(module.getQNameModule(), module.getPrefix(), "dummy");
1349 if (parent instanceof AugmentationSchemaBuilder) {
1350 parentPath = ((AugmentationSchemaBuilder) parent).getTargetNodeSchemaPath();
1352 parentPath = parent.getPath();
1355 parentQName = parent.getQName();
1356 parentPath = parent.getPath();
1359 GroupingDefinition gd = usesNode.getGroupingDefinition();
1361 Set<DataSchemaNodeBuilder> childNodes = wrapChildNodes(module.getModuleName(), line, gd.getChildNodes(),
1362 parentPath, parentQName);
1363 parent.getChildNodeBuilders().addAll(childNodes);
1364 for (DataSchemaNodeBuilder childNode : childNodes) {
1365 setNodeAddedByUses(childNode);
1368 Set<TypeDefinitionBuilder> typedefs = wrapTypedefs(module.getModuleName(), line, gd, parentPath, parentQName);
1369 parent.getTypeDefinitionBuilders().addAll(typedefs);
1370 for (TypeDefinitionBuilder typedef : typedefs) {
1371 setNodeAddedByUses(typedef);
1374 Set<GroupingBuilder> groupings = wrapGroupings(module.getModuleName(), line, usesNode.getGroupingDefinition()
1375 .getGroupings(), parentPath, parentQName);
1376 parent.getGroupingBuilders().addAll(groupings);
1377 for (GroupingBuilder gb : groupings) {
1378 setNodeAddedByUses(gb);
1381 List<UnknownSchemaNodeBuilderImpl> unknownNodes = wrapUnknownNodes(module.getModuleName(), line,
1382 gd.getUnknownSchemaNodes(), parentPath, parentQName);
1383 parent.getUnknownNodes().addAll(unknownNodes);
1384 for (UnknownSchemaNodeBuilder un : unknownNodes) {
1385 un.setAddedByUses(true);
1390 * Try to find extension builder describing this unknown node and assign it
1391 * to unknown node builder.
1394 * all loaded modules
1398 private void resolveUnknownNodes(final Map<String, TreeMap<Date, ModuleBuilder>> modules, final ModuleBuilder module) {
1399 for (UnknownSchemaNodeBuilder usnb : module.getAllUnknownNodes()) {
1400 QName nodeType = usnb.getNodeType();
1402 ModuleBuilder dependentModule = findModuleFromBuilders(modules, module, nodeType.getPrefix(),
1404 for (ExtensionBuilder extension : dependentModule.getAddedExtensions()) {
1405 if (extension.getQName().getLocalName().equals(nodeType.getLocalName())) {
1406 usnb.setNodeType(extension.getQName());
1407 usnb.setExtensionBuilder(extension);
1411 } catch (YangParseException e) {
1412 throw new YangParseException(module.getName(), usnb.getLine(), "Failed to resolve node " + usnb
1413 + ": no such extension definition found.", e);
1419 * Try to find extension builder describing this unknown node and assign it
1420 * to unknown node builder. If extension is not found in loaded modules, try
1421 * to find it in context.
1424 * all loaded modules
1428 * SchemaContext containing already resolved modules
1430 private void resolveUnknownNodesWithContext(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
1431 final ModuleBuilder module, final SchemaContext context) {
1432 for (UnknownSchemaNodeBuilder usnb : module.getAllUnknownNodes()) {
1433 QName nodeType = usnb.getNodeType();
1435 ModuleBuilder dependentModuleBuilder = findModuleFromBuilders(modules, module, nodeType.getPrefix(),
1438 if (dependentModuleBuilder == null) {
1439 Module dependentModule = findModuleFromContext(context, module, nodeType.getPrefix(),
1441 for (ExtensionDefinition e : dependentModule.getExtensionSchemaNodes()) {
1442 if (e.getQName().getLocalName().equals(nodeType.getLocalName())) {
1443 usnb.setNodeType(new QName(e.getQName().getNamespace(), e.getQName().getRevision(),
1444 nodeType.getPrefix(), e.getQName().getLocalName()));
1445 usnb.setExtensionDefinition(e);
1450 for (ExtensionBuilder extension : dependentModuleBuilder.getAddedExtensions()) {
1451 if (extension.getQName().getLocalName().equals(nodeType.getLocalName())) {
1452 usnb.setExtensionBuilder(extension);
1458 } catch (YangParseException e) {
1459 throw new YangParseException(module.getName(), usnb.getLine(), "Failed to resolve node " + usnb
1460 + ": no such extension definition found.", e);
1467 * Traverse through modules and resolve their deviation statements.
1470 * all loaded modules
1472 private void resolveDeviations(final Map<String, TreeMap<Date, ModuleBuilder>> modules) {
1473 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
1474 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
1475 ModuleBuilder b = inner.getValue();
1476 resolveDeviation(modules, b);
1482 * Traverse through module and resolve its deviation statements.
1485 * all loaded modules
1487 * module in which resolve deviations
1489 private void resolveDeviation(final Map<String, TreeMap<Date, ModuleBuilder>> modules, final ModuleBuilder module) {
1490 for (DeviationBuilder dev : module.getDeviationBuilders()) {
1491 int line = dev.getLine();
1492 SchemaPath targetPath = dev.getTargetPath();
1493 Iterable<QName> path = targetPath.getPathFromRoot();
1494 QName q0 = path.iterator().next();
1495 String prefix = q0.getPrefix();
1496 if (prefix == null) {
1497 prefix = module.getPrefix();
1500 ModuleBuilder dependentModuleBuilder = findModuleFromBuilders(modules, module, prefix, line);
1501 processDeviation(dev, dependentModuleBuilder, path, module);
1506 * Traverse through modules and resolve their deviation statements with
1510 * all loaded modules
1512 * already resolved context
1514 private void resolveDeviationsWithContext(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
1515 final SchemaContext context) {
1516 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
1517 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
1518 ModuleBuilder b = inner.getValue();
1519 resolveDeviationWithContext(modules, b, context);
1525 * Traverse through module and resolve its deviation statements with given
1529 * all loaded modules
1531 * module in which resolve deviations
1533 * already resolved context
1535 private void resolveDeviationWithContext(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
1536 final ModuleBuilder module, final SchemaContext context) {
1537 for (DeviationBuilder dev : module.getDeviationBuilders()) {
1538 int line = dev.getLine();
1539 SchemaPath targetPath = dev.getTargetPath();
1540 Iterable<QName> path = targetPath.getPathFromRoot();
1541 QName q0 = path.iterator().next();
1542 String prefix = q0.getPrefix();
1543 if (prefix == null) {
1544 prefix = module.getPrefix();
1547 ModuleBuilder dependentModuleBuilder = findModuleFromBuilders(modules, module, prefix, line);
1548 if (dependentModuleBuilder == null) {
1549 Object currentParent = findModuleFromContext(context, module, prefix, line);
1551 for (QName q : path) {
1552 if (currentParent == null) {
1553 throw new YangParseException(module.getName(), line, FAIL_DEVIATION_TARGET);
1555 String name = q.getLocalName();
1556 if (currentParent instanceof DataNodeContainer) {
1557 currentParent = ((DataNodeContainer) currentParent).getDataChildByName(name);
1561 if (currentParent == null) {
1562 throw new YangParseException(module.getName(), line, FAIL_DEVIATION_TARGET);
1564 if (currentParent instanceof SchemaNode) {
1565 dev.setTargetPath(((SchemaNode) currentParent).getPath());
1569 processDeviation(dev, dependentModuleBuilder, path, module);
1575 * Correct deviation target path in deviation builder.
1579 * @param dependentModuleBuilder
1580 * module containing deviation target
1582 * current deviation target path
1586 private void processDeviation(final DeviationBuilder dev, final ModuleBuilder dependentModuleBuilder,
1587 final Iterable<QName> path, final ModuleBuilder module) {
1588 final int line = dev.getLine();
1589 Builder currentParent = dependentModuleBuilder;
1591 for (QName q : path) {
1592 if (currentParent == null) {
1593 throw new YangParseException(module.getName(), line, FAIL_DEVIATION_TARGET);
1595 String name = q.getLocalName();
1596 if (currentParent instanceof DataNodeContainerBuilder) {
1597 currentParent = ((DataNodeContainerBuilder) currentParent).getDataChildByName(name);
1601 if (!(currentParent instanceof SchemaNodeBuilder)) {
1602 throw new YangParseException(module.getName(), line, FAIL_DEVIATION_TARGET);
1604 dev.setTargetPath(((SchemaNodeBuilder) currentParent).getPath());