*/
package org.opendaylight.yangtools.yang.parser.stmt.rfc6020;
+import static org.opendaylight.yangtools.yang.parser.spi.meta.StmtContextUtils.firstAttributeOf;
+import com.google.common.base.CharMatcher;
+import com.google.common.base.Preconditions;
+import com.google.common.base.Splitter;
+import com.google.common.base.Strings;
+import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.ImmutableMap.Builder;
+import com.google.common.collect.ImmutableSet;
+import com.google.common.collect.Iterables;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Date;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import java.util.regex.PatternSyntaxException;
+import javax.annotation.Nullable;
+import javax.xml.xpath.XPath;
+import javax.xml.xpath.XPathExpressionException;
+import javax.xml.xpath.XPathFactory;
+import org.antlr.v4.runtime.tree.TerminalNode;
+import org.opendaylight.yangtools.antlrv4.code.gen.YangStatementParser;
import org.opendaylight.yangtools.yang.common.QName;
+import org.opendaylight.yangtools.yang.common.QNameModule;
+import org.opendaylight.yangtools.yang.common.SimpleDateFormatUtil;
+import org.opendaylight.yangtools.yang.model.api.Deviation;
+import org.opendaylight.yangtools.yang.model.api.Deviation.Deviate;
+import org.opendaylight.yangtools.yang.model.api.ModuleIdentifier;
+import org.opendaylight.yangtools.yang.model.api.RevisionAwareXPath;
+import org.opendaylight.yangtools.yang.model.api.Status;
+import org.opendaylight.yangtools.yang.model.api.stmt.BelongsToStatement;
+import org.opendaylight.yangtools.yang.model.api.stmt.ModuleStatement;
+import org.opendaylight.yangtools.yang.model.api.stmt.RevisionStatement;
+import org.opendaylight.yangtools.yang.model.api.stmt.SchemaNodeIdentifier;
+import org.opendaylight.yangtools.yang.model.api.stmt.SchemaNodeIdentifier.Relative;
+import org.opendaylight.yangtools.yang.model.api.stmt.SubmoduleStatement;
+import org.opendaylight.yangtools.yang.model.util.RevisionAwareXPathImpl;
+import org.opendaylight.yangtools.yang.parser.spi.meta.QNameCacheNamespace;
import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
+import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContextUtils;
+import org.opendaylight.yangtools.yang.parser.spi.source.BelongsToPrefixToModuleName;
+import org.opendaylight.yangtools.yang.parser.spi.source.ImpPrefixToModuleIdentifier;
+import org.opendaylight.yangtools.yang.parser.spi.source.ModuleCtxToModuleQName;
+import org.opendaylight.yangtools.yang.parser.spi.source.ModuleIdentifierToModuleQName;
+import org.opendaylight.yangtools.yang.parser.spi.source.ModuleNameToModuleQName;
import org.opendaylight.yangtools.yang.parser.spi.source.PrefixToModule;
+import org.opendaylight.yangtools.yang.parser.spi.source.QNameToStatementDefinition;
+import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
+import org.opendaylight.yangtools.yang.parser.stmt.reactor.StatementContextBase;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
-public class Utils {
+public final class Utils {
+ private static final int UNICODE_SCRIPT_FIX_COUNTER = 30;
+ private static final Logger LOG = LoggerFactory.getLogger(Utils.class);
+ private static final CharMatcher DOUBLE_QUOTE_MATCHER = CharMatcher.is('"');
+ private static final CharMatcher SINGLE_QUOTE_MATCHER = CharMatcher.is('\'');
+ private static final CharMatcher LEFT_PARENTHESIS_MATCHER = CharMatcher.is('(');
+ private static final CharMatcher RIGHT_PARENTHESIS_MATCHER = CharMatcher.is(')');
+ private static final CharMatcher AMPERSAND_MATCHER = CharMatcher.is('&');
+ private static final CharMatcher QUESTION_MARK_MATCHER = CharMatcher.is('?');
+ private static final Splitter SLASH_SPLITTER = Splitter.on('/').omitEmptyStrings().trimResults();
+ private static final Splitter SPACE_SPLITTER = Splitter.on(' ').omitEmptyStrings().trimResults();
+ private static final Pattern PATH_ABS = Pattern.compile("/[^/].*");
+ private static final Pattern BETWEEN_CURLY_BRACES_PATTERN = Pattern.compile("\\{(.+?)\\}");
+ private static final Set<String> JAVA_UNICODE_BLOCKS = ImmutableSet.<String>builder()
+ .add("AegeanNumbers")
+ .add("AlchemicalSymbols")
+ .add("AlphabeticPresentationForms")
+ .add("AncientGreekMusicalNotation")
+ .add("AncientGreekNumbers")
+ .add("AncientSymbols")
+ .add("Arabic")
+ .add("ArabicPresentationForms-A")
+ .add("ArabicPresentationForms-B")
+ .add("ArabicSupplement")
+ .add("Armenian")
+ .add("Arrows")
+ .add("Avestan")
+ .add("Balinese")
+ .add("Bamum")
+ .add("BamumSupplement")
+ .add("BasicLatin")
+ .add("Batak")
+ .add("Bengali")
+ .add("BlockElements")
+ .add("Bopomofo")
+ .add("BopomofoExtended")
+ .add("BoxDrawing")
+ .add("Brahmi")
+ .add("BraillePatterns")
+ .add("Buginese")
+ .add("Buhid")
+ .add("ByzantineMusicalSymbols")
+ .add("Carian")
+ .add("Cham")
+ .add("Cherokee")
+ .add("CJKCompatibility")
+ .add("CJKCompatibilityForms")
+ .add("CJKCompatibilityIdeographs")
+ .add("CJKCompatibilityIdeographsSupplement")
+ .add("CJKRadicalsSupplement")
+ .add("CJKStrokes")
+ .add("CJKSymbolsandPunctuation")
+ .add("CJKUnifiedIdeographs")
+ .add("CJKUnifiedIdeographsExtensionA")
+ .add("CJKUnifiedIdeographsExtensionB")
+ .add("CJKUnifiedIdeographsExtensionC")
+ .add("CJKUnifiedIdeographsExtensionD")
+ .add("CombiningDiacriticalMarks")
+ .add("CombiningDiacriticalMarksSupplement")
+ .add("CombiningHalfMarks")
+ .add("CombiningDiacriticalMarksforSymbols")
+ .add("CommonIndicNumberForms")
+ .add("ControlPictures")
+ .add("Coptic")
+ .add("CountingRodNumerals")
+ .add("Cuneiform")
+ .add("CuneiformNumbersandPunctuation")
+ .add("CurrencySymbols")
+ .add("CypriotSyllabary")
+ .add("Cyrillic")
+ .add("CyrillicExtended-A")
+ .add("CyrillicExtended-B")
+ .add("CyrillicSupplementary")
+ .add("Deseret")
+ .add("Devanagari")
+ .add("DevanagariExtended")
+ .add("Dingbats")
+ .add("DominoTiles")
+ .add("EgyptianHieroglyphs")
+ .add("Emoticons")
+ .add("EnclosedAlphanumericSupplement")
+ .add("EnclosedAlphanumerics")
+ .add("EnclosedCJKLettersandMonths")
+ .add("EnclosedIdeographicSupplement")
+ .add("Ethiopic")
+ .add("EthiopicExtended")
+ .add("EthiopicExtended-A")
+ .add("EthiopicSupplement")
+ .add("GeneralPunctuation")
+ .add("GeometricShapes")
+ .add("Georgian")
+ .add("GeorgianSupplement")
+ .add("Glagolitic")
+ .add("Gothic")
+ .add("GreekandCoptic")
+ .add("GreekExtended")
+ .add("Gujarati")
+ .add("Gurmukhi")
+ .add("HalfwidthandFullwidthForms")
+ .add("HangulCompatibilityJamo")
+ .add("HangulJamo")
+ .add("HangulJamoExtended-A")
+ .add("HangulJamoExtended-B")
+ .add("HangulSyllables")
+ .add("Hanunoo")
+ .add("Hebrew")
+ .add("HighPrivateUseSurrogates")
+ .add("HighSurrogates")
+ .add("Hiragana")
+ .add("IdeographicDescriptionCharacters")
+ .add("ImperialAramaic")
+ .add("InscriptionalPahlavi")
+ .add("InscriptionalParthian")
+ .add("IPAExtensions")
+ .add("Javanese")
+ .add("Kaithi")
+ .add("KanaSupplement")
+ .add("Kanbun")
+ .add("Kangxi Radicals")
+ .add("Kannada")
+ .add("Katakana")
+ .add("KatakanaPhoneticExtensions")
+ .add("KayahLi")
+ .add("Kharoshthi")
+ .add("Khmer")
+ .add("KhmerSymbols")
+ .add("Lao")
+ .add("Latin-1Supplement")
+ .add("LatinExtended-A")
+ .add("LatinExtendedAdditional")
+ .add("LatinExtended-B")
+ .add("LatinExtended-C")
+ .add("LatinExtended-D")
+ .add("Lepcha")
+ .add("LetterlikeSymbols")
+ .add("Limbu")
+ .add("LinearBIdeograms")
+ .add("LinearBSyllabary")
+ .add("Lisu")
+ .add("LowSurrogates")
+ .add("Lycian")
+ .add("Lydian")
+ .add("MahjongTiles")
+ .add("Malayalam")
+ .add("Mandaic")
+ .add("MathematicalAlphanumericSymbols")
+ .add("MathematicalOperators")
+ .add("MeeteiMayek")
+ .add("MiscellaneousMathematicalSymbols-A")
+ .add("MiscellaneousMathematicalSymbols-B")
+ .add("MiscellaneousSymbols")
+ .add("MiscellaneousSymbolsandArrows")
+ .add("MiscellaneousSymbolsAndPictographs")
+ .add("MiscellaneousTechnical")
+ .add("ModifierToneLetters")
+ .add("Mongolian")
+ .add("MusicalSymbols")
+ .add("Myanmar")
+ .add("MyanmarExtended-A")
+ .add("NewTaiLue")
+ .add("NKo")
+ .add("NumberForms")
+ .add("Ogham")
+ .add("OlChiki")
+ .add("OldItalic")
+ .add("OldPersian")
+ .add("OldSouthArabian")
+ .add("OldTurkic")
+ .add("OpticalCharacterRecognition")
+ .add("Oriya")
+ .add("Osmanya")
+ .add("Phags-pa")
+ .add("PhaistosDisc")
+ .add("Phoenician")
+ .add("PhoneticExtensions")
+ .add("PhoneticExtensionsSupplement")
+ .add("PlayingCards")
+ .add("PrivateUseArea")
+ .add("Rejang")
+ .add("RumiNumeralSymbols")
+ .add("Runic")
+ .add("Samaritan")
+ .add("Saurashtra")
+ .add("Shavian")
+ .add("Sinhala")
+ .add("SmallFormVariants")
+ .add("SpacingModifierLetters")
+ .add("Specials")
+ .add("Sundanese")
+ .add("SuperscriptsandSubscripts")
+ .add("SupplementalArrows-A")
+ .add("SupplementalArrows-B")
+ .add("SupplementalMathematicalOperators")
+ .add("SupplementalPunctuation")
+ .add("SupplementaryPrivateUseArea-A")
+ .add("SupplementaryPrivateUseArea-B")
+ .add("SylotiNagri")
+ .add("Syriac")
+ .add("Tagalog")
+ .add("Tagbanwa")
+ .add("Tags")
+ .add("TaiLe")
+ .add("TaiTham")
+ .add("TaiViet")
+ .add("TaiXuanJingSymbols")
+ .add("Tamil")
+ .add("Telugu")
+ .add("Thaana")
+ .add("Thai")
+ .add("Tibetan")
+ .add("Tifinagh")
+ .add("TransportAndMapSymbols")
+ .add("Ugaritic")
+ .add("UnifiedCanadianAboriginalSyllabics")
+ .add("UnifiedCanadianAboriginalSyllabicsExtended")
+ .add("Vai")
+ .add("VariationSelectors")
+ .add("VariationSelectorsSupplement")
+ .add("VedicExtensions")
+ .add("VerticalForms")
+ .add("YiRadicals")
+ .add("YiSyllables")
+ .add("YijingHexagramSymbols").build();
+ private static final Map<String, Deviate> KEYWORD_TO_DEVIATE_MAP;
+ static {
+ Builder<String, Deviate> keywordToDeviateMapBuilder = ImmutableMap.builder();
+ for (Deviate deviate : Deviation.Deviate.values()) {
+ keywordToDeviateMapBuilder.put(deviate.getKeyword(), deviate);
+ }
+ KEYWORD_TO_DEVIATE_MAP = keywordToDeviateMapBuilder.build();
+ }
+
+ private static final ThreadLocal<XPathFactory> XPATH_FACTORY = new ThreadLocal<XPathFactory>() {
+ @Override
+ protected XPathFactory initialValue() {
+ return XPathFactory.newInstance();
+ }
+ };
+
+ private Utils() {
+ throw new UnsupportedOperationException();
+ }
+
+ /**
+ * Cleanup any resources attached to the current thread. Threads interacting with this class can cause thread-local
+ * caches to them. Invoke this method if you want to detach those resources.
+ */
+ public static void detachFromCurrentThread() {
+ XPATH_FACTORY.remove();
+ }
+
+ public static Collection<SchemaNodeIdentifier.Relative> transformKeysStringToKeyNodes(final StmtContext<?, ?, ?> ctx,
+ final String value) {
+ List<String> keyTokens = SPACE_SPLITTER.splitToList(value);
+
+ // to detect if key contains duplicates
+ if ((new HashSet<>(keyTokens)).size() < keyTokens.size()) {
+ // FIXME: report all duplicate keys
+ throw new SourceException(ctx.getStatementSourceReference(), "Duplicate value in list key: %s", value);
+ }
+
+ Set<SchemaNodeIdentifier.Relative> keyNodes = new HashSet<>();
+
+ for (String keyToken : keyTokens) {
+
+ SchemaNodeIdentifier.Relative keyNode = (Relative) SchemaNodeIdentifier.Relative.create(false,
+ Utils.qNameFromArgument(ctx, keyToken));
+ keyNodes.add(keyNode);
+ }
+
+ return keyNodes;
+ }
+
+ private static String trimSingleLastSlashFromXPath(final String path) {
+ return path.endsWith("/") ? path.substring(0, path.length() - 1) : path;
+ }
+
+ static RevisionAwareXPath parseXPath(final StmtContext<?, ?, ?> ctx, final String path) {
+ final XPath xPath = XPATH_FACTORY.get().newXPath();
+ xPath.setNamespaceContext(StmtNamespaceContext.create(ctx));
- public static QName qNameFromArgument(StmtContext<?,?,?> ctx, String value) {
- // TODO: Implement real parsing
- String prefix = "";
- ctx.getFromNamespace(PrefixToModule.class, prefix);
+ final String trimmed = trimSingleLastSlashFromXPath(path);
+ try {
+ // TODO: we could capture the result and expose its 'evaluate' method
+ xPath.compile(trimmed);
+ } catch (XPathExpressionException e) {
+ LOG.warn("Argument \"{}\" is not valid XPath string at \"{}\"", path, ctx.getStatementSourceReference(), e);
+ }
- return QName.create(value);
+ return new RevisionAwareXPathImpl(path, PATH_ABS.matcher(path).matches());
}
+ public static QName trimPrefix(final QName identifier) {
+ String prefixedLocalName = identifier.getLocalName();
+ String[] namesParts = prefixedLocalName.split(":");
+
+ if (namesParts.length == 2) {
+ String localName = namesParts[1];
+ return QName.create(identifier.getModule(), localName);
+ }
+
+ return identifier;
+ }
+
+ /**
+ *
+ * Based on identifier read from source and collections of relevant prefixes and statement definitions mappings
+ * provided for actual phase, method resolves and returns valid QName for declared statement to be written.
+ * This applies to any declared statement, including unknown statements.
+ *
+ * @param prefixes - collection of all relevant prefix mappings supplied for actual parsing phase
+ * @param stmtDef - collection of all relevant statement definition mappings provided for actual parsing phase
+ * @param identifier - statement to parse from source
+ * @return valid QName for declared statement to be written
+ *
+ */
+ public static QName getValidStatementDefinition(final PrefixToModule prefixes, final QNameToStatementDefinition
+ stmtDef, final QName identifier) {
+ if (stmtDef.get(identifier) != null) {
+ return stmtDef.get(identifier).getStatementName();
+ } else {
+ String prefixedLocalName = identifier.getLocalName();
+ String[] namesParts = prefixedLocalName.split(":");
+
+ if (namesParts.length == 2) {
+ String prefix = namesParts[0];
+ String localName = namesParts[1];
+ if (prefixes != null && prefixes.get(prefix) != null
+ && stmtDef.get(QName.create(prefixes.get(prefix), localName)) != null) {
+ return QName.create(prefixes.get(prefix), localName);
+ }
+ }
+ }
+ return null;
+ }
+
+ static SchemaNodeIdentifier nodeIdentifierFromPath(final StmtContext<?, ?, ?> ctx, final String path) {
+ // FIXME: is the path trimming really necessary??
+ final List<QName> qNames = new ArrayList<>();
+ for (String nodeName : SLASH_SPLITTER.split(trimSingleLastSlashFromXPath(path))) {
+ try {
+ final QName qName = Utils.qNameFromArgument(ctx, nodeName);
+ qNames.add(qName);
+ } catch (Exception e) {
+ throw new IllegalArgumentException(
+ String.format("Failed to parse node '%s' in path '%s'", nodeName, path), e);
+ }
+ }
+
+ return SchemaNodeIdentifier.create(qNames, PATH_ABS.matcher(path).matches());
+ }
+
+ public static String stringFromStringContext(final YangStatementParser.ArgumentContext context) {
+ StringBuilder sb = new StringBuilder();
+ List<TerminalNode> strings = context.STRING();
+ if (strings.isEmpty()) {
+ strings = Arrays.asList(context.IDENTIFIER());
+ }
+ for (TerminalNode stringNode : strings) {
+ final String str = stringNode.getText();
+ char firstChar = str.charAt(0);
+ final CharMatcher quoteMatcher;
+ if (SINGLE_QUOTE_MATCHER.matches(firstChar)) {
+ quoteMatcher = SINGLE_QUOTE_MATCHER;
+ } else if (DOUBLE_QUOTE_MATCHER.matches(firstChar)) {
+ quoteMatcher = DOUBLE_QUOTE_MATCHER;
+ } else {
+ sb.append(str);
+ continue;
+ }
+ sb.append(quoteMatcher.removeFrom(str.substring(1, str.length() - 1)));
+ }
+ return sb.toString();
+ }
+
+ public static QName qNameFromArgument(StmtContext<?, ?, ?> ctx, final String value) {
+ if (Strings.isNullOrEmpty(value)) {
+ return ctx.getPublicDefinition().getStatementName();
+ }
+
+ String prefix;
+ QNameModule qNameModule = null;
+ String localName = null;
+
+ String[] namesParts = value.split(":");
+ switch (namesParts.length) {
+ case 1:
+ localName = namesParts[0];
+ qNameModule = getRootModuleQName(ctx);
+ break;
+ default:
+ prefix = namesParts[0];
+ localName = namesParts[1];
+ qNameModule = getModuleQNameByPrefix(ctx, prefix);
+ // in case of unknown statement argument, we're not going to parse it
+ if (qNameModule == null
+ && ctx.getPublicDefinition().getDeclaredRepresentationClass()
+ .isAssignableFrom(UnknownStatementImpl.class)) {
+ localName = value;
+ qNameModule = getRootModuleQName(ctx);
+ }
+ if (qNameModule == null
+ && Iterables.getLast(ctx.getCopyHistory()) == StmtContext.TypeOfCopy.ADDED_BY_AUGMENTATION) {
+ ctx = ctx.getOriginalCtx();
+ qNameModule = getModuleQNameByPrefix(ctx, prefix);
+ }
+ break;
+ }
+
+ Preconditions.checkArgument(qNameModule != null,
+ "Error in module '%s': can not resolve QNameModule for '%s'. Statement source at %s",
+ ctx.getRoot().rawStatementArgument(), value, ctx.getStatementSourceReference());
+ final QNameModule resultQNameModule;
+ if (qNameModule.getRevision() == null) {
+ resultQNameModule = QNameModule.create(qNameModule.getNamespace(), SimpleDateFormatUtil.DEFAULT_DATE_REV)
+ .intern();
+ } else {
+ resultQNameModule = qNameModule;
+ }
+ return ctx.getFromNamespace(QNameCacheNamespace.class, QName.create(resultQNameModule, localName));
+ }
+
+ public static QNameModule getModuleQNameByPrefix(final StmtContext<?, ?, ?> ctx, final String prefix) {
+ final ModuleIdentifier modId = ctx.getRoot().getFromNamespace(ImpPrefixToModuleIdentifier.class, prefix);
+ final QNameModule qNameModule = ctx.getFromNamespace(ModuleIdentifierToModuleQName.class, modId);
+
+ if (qNameModule == null && StmtContextUtils.producesDeclared(ctx.getRoot(), SubmoduleStatement.class)) {
+ String moduleName = ctx.getRoot().getFromNamespace(BelongsToPrefixToModuleName.class, prefix);
+ return ctx.getFromNamespace(ModuleNameToModuleQName.class, moduleName);
+ }
+ return qNameModule;
+ }
+
+ public static QNameModule getRootModuleQName(final StmtContext<?, ?, ?> ctx) {
+ if (ctx == null) {
+ return null;
+ }
+
+ final StmtContext<?, ?, ?> rootCtx = ctx.getRoot();
+ final QNameModule qNameModule;
+
+ if (StmtContextUtils.producesDeclared(rootCtx, ModuleStatement.class)) {
+ qNameModule = rootCtx.getFromNamespace(ModuleCtxToModuleQName.class, rootCtx);
+ } else if (StmtContextUtils.producesDeclared(rootCtx, SubmoduleStatement.class)) {
+ final String belongsToModuleName = firstAttributeOf(rootCtx.substatements(), BelongsToStatement.class);
+ qNameModule = rootCtx.getFromNamespace(ModuleNameToModuleQName.class, belongsToModuleName);
+ } else {
+ qNameModule = null;
+ }
+
+ Preconditions.checkArgument(qNameModule != null, "Failed to look up root QNameModule for %s", ctx);
+ if (qNameModule.getRevision() != null) {
+ return qNameModule;
+ }
+
+ return QNameModule.create(qNameModule.getNamespace(), SimpleDateFormatUtil.DEFAULT_DATE_REV).intern();
+ }
+
+ @Nullable
+ public static StatementContextBase<?, ?, ?> findNode(final StmtContext<?, ?, ?> rootStmtCtx,
+ final SchemaNodeIdentifier node) {
+ return (StatementContextBase<?, ?, ?>) rootStmtCtx.getFromNamespace(SchemaNodeIdentifierBuildNamespace.class, node);
+ }
+
+ public static boolean isUnknownNode(final StmtContext<?, ?, ?> stmtCtx) {
+ return stmtCtx.getPublicDefinition().getDeclaredRepresentationClass()
+ .isAssignableFrom(UnknownStatementImpl.class);
+ }
+
+ public static Deviation.Deviate parseDeviateFromString(final StmtContext<?, ?, ?> ctx, final String deviateKeyword) {
+ return Preconditions.checkNotNull(KEYWORD_TO_DEVIATE_MAP.get(deviateKeyword),
+ "String '%s' is not valid deviate argument. Statement source at %s", deviateKeyword,
+ ctx.getStatementSourceReference());
+ }
+
+ public static Status parseStatus(final String value) {
+ switch (value) {
+ case "current":
+ return Status.CURRENT;
+ case "deprecated":
+ return Status.DEPRECATED;
+ case "obsolete":
+ return Status.OBSOLETE;
+ default:
+ LOG.warn("Invalid 'status' statement: {}", value);
+ return null;
+ }
+ }
+
+ public static Date getLatestRevision(final Iterable<? extends StmtContext<?, ?, ?>> subStmts) {
+ Date revision = null;
+ for (StmtContext<?, ?, ?> subStmt : subStmts) {
+ if (subStmt.getPublicDefinition().getDeclaredRepresentationClass().isAssignableFrom(RevisionStatement
+ .class)) {
+ if (revision == null && subStmt.getStatementArgument() != null) {
+ revision = (Date) subStmt.getStatementArgument();
+ } else if (subStmt.getStatementArgument() != null && ((Date) subStmt.getStatementArgument()).compareTo
+ (revision) > 0) {
+ revision = (Date) subStmt.getStatementArgument();
+ }
+ }
+ }
+ return revision;
+ }
+
+ public static boolean isModuleIdentifierWithoutSpecifiedRevision(final Object o) {
+ return (o instanceof ModuleIdentifier)
+ && (((ModuleIdentifier) o).getRevision() == SimpleDateFormatUtil.DEFAULT_DATE_IMP || ((ModuleIdentifier) o)
+ .getRevision() == SimpleDateFormatUtil.DEFAULT_BELONGS_TO_DATE);
+ }
+
+ /**
+ * Replaces illegal characters of QName by the name of the character (e.g.
+ * '?' is replaced by "QuestionMark" etc.).
+ *
+ * @param string
+ * input String
+ * @return result String
+ */
+ public static String replaceIllegalCharsForQName(String string) {
+ string = LEFT_PARENTHESIS_MATCHER.replaceFrom(string, "LeftParenthesis");
+ string = RIGHT_PARENTHESIS_MATCHER.replaceFrom(string, "RightParenthesis");
+ string = AMPERSAND_MATCHER.replaceFrom(string, "Ampersand");
+ string = QUESTION_MARK_MATCHER.replaceFrom(string, "QuestionMark");
+
+ return string;
+ }
+
+ public static String fixUnicodeScriptPattern(String rawPattern) {
+ for (int i = 0; i < UNICODE_SCRIPT_FIX_COUNTER; i++) {
+ try {
+ Pattern.compile(rawPattern);
+ return rawPattern;
+ } catch(PatternSyntaxException ex) {
+ LOG.debug("Invalid regex pattern syntax in: {}", rawPattern, ex);
+ if (ex.getMessage().contains("Unknown character script name")) {
+ rawPattern = fixUnknownScripts(ex.getMessage(), rawPattern);
+ } else {
+ return rawPattern;
+ }
+ }
+ }
+
+ LOG.warn("Regex pattern could not be fixed: {}", rawPattern);
+ return rawPattern;
+ }
+
+ private static String fixUnknownScripts(final String exMessage, final String rawPattern) {
+ StringBuilder result = new StringBuilder(rawPattern);
+ Matcher matcher = BETWEEN_CURLY_BRACES_PATTERN.matcher(exMessage);
+ if (matcher.find()) {
+ String capturedGroup = matcher.group(1);
+ if (JAVA_UNICODE_BLOCKS.contains(capturedGroup)) {
+ int idx = rawPattern.indexOf("Is" + capturedGroup);
+ result = result.replace(idx, idx + 2, "In");
+ }
+ }
+ return result.toString();
+ }
}
Code Review / yangtools.git / blobdiff