Java 类com.intellij.psi.xml.XmlMarkupDecl 实例源码

@Nullable
static XmlNSDescriptor getNsDescriptor(XmlElement element) {
  final XmlElement parentThatProvidesMetaData = PsiTreeUtil
    .getParentOfType(CompletionUtilCoreImpl.getOriginalElement(element), XmlDocument.class, XmlMarkupDecl.class);

  if (parentThatProvidesMetaData instanceof XmlDocument) {
    final XmlDocument document = (XmlDocument)parentThatProvidesMetaData;
    XmlNSDescriptor rootTagNSDescriptor = document.getRootTagNSDescriptor();
    if (rootTagNSDescriptor == null) rootTagNSDescriptor = (XmlNSDescriptor)document.getMetaData();
    return rootTagNSDescriptor;
  } else if (parentThatProvidesMetaData instanceof XmlMarkupDecl) {
    final XmlMarkupDecl markupDecl = (XmlMarkupDecl)parentThatProvidesMetaData;
    final PsiMetaData psiMetaData = markupDecl.getMetaData();

    if (psiMetaData instanceof XmlNSDescriptor) {
      return (XmlNSDescriptor)psiMetaData;
    }
  }

  return null;
}

@Nullable
static XmlNSDescriptor getNsDescriptor(XmlElement element)
{
    final XmlElement parentThatProvidesMetaData = PsiTreeUtil.getParentOfType(CompletionUtilCoreImpl.getOriginalElement(element), XmlDocument.class, XmlMarkupDecl.class);

    if(parentThatProvidesMetaData instanceof XmlDocument)
    {
        final XmlDocument document = (XmlDocument) parentThatProvidesMetaData;
        XmlNSDescriptor rootTagNSDescriptor = document.getRootTagNSDescriptor();
        if(rootTagNSDescriptor == null)
        {
            rootTagNSDescriptor = (XmlNSDescriptor) document.getMetaData();
        }
        return rootTagNSDescriptor;
    }
    else if(parentThatProvidesMetaData instanceof XmlMarkupDecl)
    {
        final XmlMarkupDecl markupDecl = (XmlMarkupDecl) parentThatProvidesMetaData;
        final PsiMetaData psiMetaData = markupDecl.getMetaData();

        if(psiMetaData instanceof XmlNSDescriptor)
        {
            return (XmlNSDescriptor) psiMetaData;
        }
    }

    return null;
}

@NotNull
public Collection<StructureViewTreeElement> getChildrenBase() {
  final XmlDocument document = getElement().getDocument();
  List<XmlTag> rootTags = new ArrayList<XmlTag>();
  if (document != null) {
    for (PsiElement element : document.getChildren())
      if (element instanceof XmlTag) rootTags.add((XmlTag)element);
  }

  Collection<StructureViewTreeElement> structureViewTreeElements =
    AbstractXmlTagTreeElement.getStructureViewTreeElements(rootTags.toArray(new XmlTag[rootTags.size()]));

  Collection<StructureViewTreeElement> dtdStructureViewTreeElements = null;
  final XmlProlog prolog = document != null ? document.getProlog():null;
  if (prolog != null) {
    final XmlDoctype doctype = prolog.getDoctype();

    if (doctype != null) {
      final XmlMarkupDecl xmlMarkupDecl = doctype.getMarkupDecl();
      if (xmlMarkupDecl != null) {
        dtdStructureViewTreeElements = DtdFileTreeElement.collectElements(xmlMarkupDecl);
      }
    }
  }

  if (dtdStructureViewTreeElements != null) {
    final ArrayList<StructureViewTreeElement> result = new ArrayList<StructureViewTreeElement>(
      dtdStructureViewTreeElements.size() + structureViewTreeElements.size()
    );

    result.addAll(dtdStructureViewTreeElements);
    result.addAll(structureViewTreeElements);
    structureViewTreeElements = result;
  }
  return structureViewTreeElements;
}

@Override
public void contributeMetaData(final MetaDataRegistrar registrar)
{
    {
        registrar.registerMetaData(new AndFilter(new NamespaceFilter(XmlUtil.SCHEMA_URIS), new ClassFilter(XmlDocument.class)), SchemaNSDescriptor.class);

        registrar.registerMetaData(new AndFilter(XmlTagFilter.INSTANCE, new NamespaceFilter(XmlUtil.SCHEMA_URIS), new XmlTextFilter("schema")), SchemaNSDescriptor.class);
    }
    {
        registrar.registerMetaData(new OrFilter(new AndFilter(new ContentFilter(new OrFilter(new ClassFilter(XmlElementDecl.class), new ClassFilter(XmlEntityDecl.class), new ClassFilter
                (XmlConditionalSection.class), new ClassFilter(XmlEntityRef.class))), new ClassFilter(XmlDocument.class)), new ClassFilter(XmlMarkupDecl.class)), XmlNSDescriptorImpl.class);
    }

    {
        registrar.registerMetaData(new AndFilter(XmlTagFilter.INSTANCE, new NamespaceFilter(XmlUtil.SCHEMA_URIS), new XmlTextFilter("element")), XmlElementDescriptorImpl.class);
    }

    {
        registrar.registerMetaData(new AndFilter(XmlTagFilter.INSTANCE, new NamespaceFilter(XmlUtil.SCHEMA_URIS), new XmlTextFilter("attribute")), XmlAttributeDescriptorImpl.class);
    }

    {
        registrar.registerMetaData(new ClassFilter(XmlElementDecl.class), com.intellij.xml.impl.dtd.XmlElementDescriptorImpl.class);
    }

    {
        registrar.registerMetaData(new ClassFilter(XmlAttributeDecl.class), com.intellij.xml.impl.dtd.XmlAttributeDescriptorImpl.class);
    }

    {
        registrar.registerMetaData(new AndFilter(new ClassFilter(XmlDocument.class), new TargetNamespaceFilter(XmlUtil.XHTML_URI), new NamespaceFilter(XmlUtil.SCHEMA_URIS)),
                RelaxedHtmlFromSchemaNSDescriptor.class);
    }

    {
        registrar.registerMetaData(new AndFilter(XmlTagFilter.INSTANCE, new NamespaceFilter(XmlUtil.SCHEMA_URIS), new XmlTextFilter("complexType", "simpleType", "group", "attributeGroup")),
                NamedObjectDescriptor.class);
    }
}