Java 类com.intellij.psi.impl.source.resolve.reference.impl.providers.SchemaReferencesProvider 实例源码

@Nullable
public static PsiReference getSchemaReference(XmlAttribute base) {
    if (base != null && base.getValueElement() != null) {
        final String text = base.getValue();
        if (text != null && text.indexOf(":") > 0) {
            final String prefix = text.substring(0, text.indexOf(":"));
            return SchemaReferencesProvider.createTypeOrElementOrAttributeReference(base.getValueElement(), prefix);
        } else {
            return SchemaReferencesProvider.createTypeOrElementOrAttributeReference(base.getValueElement());
        }
    }
    return null;
}

public void registerReferenceProviders(final PsiReferenceRegistrar registrar) {

    final IdReferenceProvider idReferenceProvider = new IdReferenceProvider();

    XmlUtil.registerXmlAttributeValueReferenceProvider(registrar, idReferenceProvider.getIdForAttributeNames(),
                                                       idReferenceProvider.getIdForFilter(), true, idReferenceProvider,
                                                       PsiReferenceRegistrar.DEFAULT_PRIORITY);

    final DtdReferencesProvider dtdReferencesProvider = new DtdReferencesProvider();
    //registerReferenceProvider(null, XmlEntityDecl.class,dtdReferencesProvider);
    registrar.registerReferenceProvider(PlatformPatterns.psiElement(XmlEntityRef.class), dtdReferencesProvider);
    registrar.registerReferenceProvider(PlatformPatterns.psiElement(XmlDoctype.class), dtdReferencesProvider);
    registrar.registerReferenceProvider(PlatformPatterns.psiElement(XmlElementDecl.class), dtdReferencesProvider);
    registrar.registerReferenceProvider(PlatformPatterns.psiElement(XmlAttlistDecl.class), dtdReferencesProvider);
    registrar.registerReferenceProvider(PlatformPatterns.psiElement(XmlElementContentSpec.class), dtdReferencesProvider);
    registrar.registerReferenceProvider(PlatformPatterns.psiElement(XmlToken.class), dtdReferencesProvider);

    URIReferenceProvider uriProvider = new URIReferenceProvider();
    XmlUtil.registerXmlAttributeValueReferenceProvider(registrar, null, dtdReferencesProvider.getSystemReferenceFilter(), uriProvider);


    XmlUtil.registerXmlAttributeValueReferenceProvider(registrar, new String[] { "href" }, new ScopeFilter(
      new ParentElementFilter(
        new AndFilter(
          new AndFilter(XmlTagFilter.INSTANCE, new XmlTextFilter("include")),
          new NamespaceFilter(XmlUtil.XINCLUDE_URI)
        ),
        2
      )
    ), true, uriProvider);

    XmlUtil.registerXmlAttributeValueReferenceProvider(
      registrar,
      new String[]{MicrodataUtil.ITEM_TYPE},
      null,
      new MicrodataReferenceProvider()
    );

    final SchemaReferencesProvider schemaReferencesProvider = new SchemaReferencesProvider();

    XmlUtil.registerXmlAttributeValueReferenceProvider(registrar,
      schemaReferencesProvider.getCandidateAttributeNamesForSchemaReferences(),
      new ScopeFilter(
        new ParentElementFilter(
          new NamespaceFilter(XmlUtil.SCHEMA_URIS), 2
        )
      ),
      schemaReferencesProvider
    );

    registrar.registerReferenceProvider(xmlAttributeValue(xmlAttribute().withNamespace(XmlUtil.XML_SCHEMA_INSTANCE_URI)).
      withLocalName("type"), schemaReferencesProvider);

    registrar.registerReferenceProvider(xmlAttributeValue(xmlAttribute().withNamespace(XmlUtil.XML_SCHEMA_INSTANCE_URI)).
      withLocalName("noNamespaceSchemaLocation", "schemaLocation"), uriProvider);

    registrar.registerReferenceProvider(
      xmlAttributeValue().withLocalName("schemaLocation","namespace").
        withSuperParent(2,
                        xmlTag().withNamespace(XmlUtil.SCHEMA_URIS).withLocalName("import", "include","redefine")),
      uriProvider);

    XmlUtil.registerXmlAttributeValueReferenceProvider(registrar, null, URIReferenceProvider.ELEMENT_FILTER, true, uriProvider);

    XmlUtil.registerXmlAttributeValueReferenceProvider(registrar, new String[] {"encoding"}, new ScopeFilter(new ParentElementFilter(new ClassFilter(XmlProcessingInstruction.class))), true,
                                                       new XmlEncodingReferenceProvider());

    registrar.registerReferenceProvider(xmlAttributeValue(), new XmlPrefixReferenceProvider());
  }

@Override
public void registerReferenceProviders(@NotNull final PsiReferenceRegistrar registrar)
{

    final IdReferenceProvider idReferenceProvider = new IdReferenceProvider();

    XmlUtil.registerXmlAttributeValueReferenceProvider(registrar, idReferenceProvider.getIdForAttributeNames(), idReferenceProvider.getIdForFilter(), true, idReferenceProvider,
            PsiReferenceRegistrar.DEFAULT_PRIORITY);

    final DtdReferencesProvider dtdReferencesProvider = new DtdReferencesProvider();
    //registerReferenceProvider(null, XmlEntityDecl.class,dtdReferencesProvider);
    registrar.registerReferenceProvider(PlatformPatterns.psiElement(XmlEntityRef.class), dtdReferencesProvider);
    registrar.registerReferenceProvider(PlatformPatterns.psiElement(XmlDoctype.class), dtdReferencesProvider);
    registrar.registerReferenceProvider(PlatformPatterns.psiElement(XmlElementDecl.class), dtdReferencesProvider);
    registrar.registerReferenceProvider(PlatformPatterns.psiElement(XmlAttlistDecl.class), dtdReferencesProvider);
    registrar.registerReferenceProvider(PlatformPatterns.psiElement(XmlElementContentSpec.class), dtdReferencesProvider);
    registrar.registerReferenceProvider(PlatformPatterns.psiElement(XmlToken.class), dtdReferencesProvider);
    registrar.registerReferenceProvider(xmlAttributeValue(), new ArbitraryPlaceUrlReferenceProvider(), PsiReferenceRegistrar.LOWER_PRIORITY);


    URIReferenceProvider uriProvider = new URIReferenceProvider();
    XmlUtil.registerXmlAttributeValueReferenceProvider(registrar, null, dtdReferencesProvider.getSystemReferenceFilter(), uriProvider);

    XmlUtil.registerXmlAttributeValueReferenceProvider(registrar, new String[]{"href"}, new ScopeFilter(new ParentElementFilter(new AndFilter(new AndFilter(XmlTagFilter.INSTANCE, new
            XmlTextFilter("include")), new NamespaceFilter(XmlUtil.XINCLUDE_URI)), 2)), true, new XmlBaseReferenceProvider(true));

    registrar.registerReferenceProvider(xmlAttributeValue().withLocalName("base").withNamespace(XmlUtil.XML_NAMESPACE_URI), new XmlBaseReferenceProvider(false));

    XmlUtil.registerXmlAttributeValueReferenceProvider(registrar, new String[]{MicrodataUtil.ITEM_TYPE}, null, new MicrodataReferenceProvider());

    final SchemaReferencesProvider schemaReferencesProvider = new SchemaReferencesProvider();

    XmlUtil.registerXmlAttributeValueReferenceProvider(registrar, schemaReferencesProvider.getCandidateAttributeNamesForSchemaReferences(), new ScopeFilter(new ParentElementFilter(new
            NamespaceFilter(XmlUtil.SCHEMA_URIS), 2)), schemaReferencesProvider);

    registrar.registerReferenceProvider(xmlAttributeValue(xmlAttribute().withNamespace(XmlUtil.XML_SCHEMA_INSTANCE_URI)).
            withLocalName("type"), schemaReferencesProvider);

    registrar.registerReferenceProvider(xmlAttributeValue(xmlAttribute().withNamespace(XmlUtil.XML_SCHEMA_INSTANCE_URI)).
            withLocalName("noNamespaceSchemaLocation", "schemaLocation"), uriProvider);

    registrar.registerReferenceProvider(xmlAttributeValue().withLocalName("schemaLocation", "namespace").
            withSuperParent(2, xmlTag().withNamespace(XmlUtil.SCHEMA_URIS).withLocalName("import", "include", "redefine")), uriProvider);

    XmlUtil.registerXmlAttributeValueReferenceProvider(registrar, null, URIReferenceProvider.ELEMENT_FILTER, true, uriProvider);

    XmlUtil.registerXmlAttributeValueReferenceProvider(registrar, new String[]{"encoding"}, new ScopeFilter(new ParentElementFilter(new ClassFilter(XmlProcessingInstruction.class))), true, new
            XmlEncodingReferenceProvider());

    registrar.registerReferenceProvider(xmlAttributeValue(), new XmlPrefixReferenceProvider());
    registrar.registerReferenceProvider(xmlAttributeValue(), new XmlEnumeratedValueReferenceProvider(), PsiReferenceRegistrar.LOWER_PRIORITY);
    registrar.registerReferenceProvider(xmlTag(), XmlEnumeratedValueReferenceProvider.forTags(), PsiReferenceRegistrar.LOWER_PRIORITY);

    registrar.registerReferenceProvider(xmlAttributeValue().withLocalName("source").withSuperParent(2, xmlTag().withLocalName("documentation").withNamespace(XmlUtil.SCHEMA_URIS)), new
            PsiReferenceProvider()
    {
        @NotNull
        @Override
        public PsiReference[] getReferencesByElement(@NotNull PsiElement element, @NotNull ProcessingContext context)
        {
            return new PsiReference[]{new WebReference(element)};
        }
    });
}