| /* |
| * Copyright 2000-2014 JetBrains s.r.o. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.intellij.codeInsight.completion; |
| |
| import com.intellij.codeInsight.TailType; |
| import com.intellij.codeInsight.lookup.LookupElement; |
| import com.intellij.codeInsight.lookup.LookupValueFactory; |
| import com.intellij.lang.ASTNode; |
| import com.intellij.openapi.editor.CaretModel; |
| import com.intellij.openapi.fileTypes.FileType; |
| import com.intellij.openapi.fileTypes.StdFileTypes; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.filters.*; |
| import com.intellij.psi.filters.getters.XmlAttributeValueGetter; |
| import com.intellij.psi.filters.position.LeftNeighbour; |
| import com.intellij.psi.filters.position.XmlTokenTypeFilter; |
| import com.intellij.psi.search.PsiElementProcessor; |
| import com.intellij.psi.tree.TokenSet; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import com.intellij.psi.xml.*; |
| import com.intellij.util.ArrayUtil; |
| import com.intellij.xml.Html5SchemaProvider; |
| import com.intellij.xml.XmlElementDescriptor; |
| import com.intellij.xml.XmlNSDescriptor; |
| import com.intellij.xml.util.HtmlUtil; |
| import com.intellij.xml.util.XmlUtil; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.util.ArrayList; |
| import java.util.HashSet; |
| import java.util.List; |
| |
| /** |
| * Created by IntelliJ IDEA. |
| * User: ik |
| * Date: 05.06.2003 |
| * Time: 18:55:15 |
| * To change this template use Options | File Templates. |
| */ |
| public class XmlCompletionData extends CompletionData { |
| public XmlCompletionData() { |
| declareFinalScope(XmlTag.class); |
| declareFinalScope(XmlAttribute.class); |
| declareFinalScope(XmlAttributeValue.class); |
| |
| { |
| final CompletionVariant variant = new CompletionVariant(createTagCompletionFilter()); |
| variant.includeScopeClass(XmlTag.class); |
| variant.addCompletionFilter(TrueFilter.INSTANCE); |
| registerVariant(variant); |
| } |
| |
| { |
| final CompletionVariant variant = new CompletionVariant(createAttributeCompletionFilter()); |
| variant.includeScopeClass(XmlAttribute.class); |
| variant.addCompletionFilter(TrueFilter.INSTANCE); |
| registerVariant(variant); |
| } |
| |
| { |
| XmlAttributeValueGetter getter = getAttributeValueGetter(); |
| if (getter != null) { |
| final CompletionVariant variant = new CompletionVariant(createAttributeValueCompletionFilter()); |
| variant.includeScopeClass(XmlAttributeValue.class); |
| variant.addCompletion(getter, TailType.NONE); |
| variant.addCompletionFilter(TrueFilter.INSTANCE, TailType.NONE); |
| registerVariant(variant); |
| } |
| } |
| |
| final ElementFilter entityCompletionFilter = createXmlEntityCompletionFilter(); |
| |
| { |
| final CompletionVariant variant = new CompletionVariant( |
| new AndFilter(new XmlTokenTypeFilter(XmlTokenType.XML_DATA_CHARACTERS), new NotFilter(entityCompletionFilter), new ElementFilter() { |
| @Override |
| public boolean isAcceptable(Object element, PsiElement context) { |
| XmlTag tag = PsiTreeUtil.getParentOfType(context, XmlTag.class, false); |
| if (tag != null) { |
| return XmlUtil.getSchemaSimpleContent(tag) != null; |
| } |
| return false; |
| } |
| |
| @Override |
| public boolean isClassAcceptable(Class hintClass) { |
| return true; |
| } |
| })); |
| variant.includeScopeClass(XmlToken.class, true); |
| variant.addCompletion(new SimpleTagContentEnumerationValuesGetter(), TailType.NONE); |
| |
| registerVariant(variant); |
| } |
| |
| { |
| final CompletionVariant variant = new CompletionVariant( |
| new AndFilter(new XmlTokenTypeFilter(XmlTokenType.XML_DATA_CHARACTERS), new NotFilter(entityCompletionFilter))); |
| variant.includeScopeClass(XmlToken.class, true); |
| registerVariant(variant); |
| } |
| |
| { |
| final CompletionVariant variant = new CompletionVariant(entityCompletionFilter); |
| variant.includeScopeClass(XmlToken.class, true); |
| variant.addCompletion(new EntityRefGetter()); |
| variant.setInsertHandler(new EntityRefInsertHandler()); |
| registerVariant(variant); |
| } |
| } |
| |
| protected ElementFilter createXmlEntityCompletionFilter() { |
| return new AndFilter(new LeftNeighbour(new XmlTextFilter("&")), new OrFilter(new XmlTokenTypeFilter(XmlTokenType.XML_DATA_CHARACTERS), |
| new XmlTokenTypeFilter( |
| XmlTokenType.XML_ATTRIBUTE_VALUE_TOKEN))); |
| } |
| |
| protected XmlAttributeValueGetter getAttributeValueGetter() { |
| return new XmlAttributeValueGetter(); |
| } |
| |
| protected ElementFilter createAttributeCompletionFilter() { |
| return TrueFilter.INSTANCE; |
| } |
| |
| protected ElementFilter createAttributeValueCompletionFilter() { |
| return TrueFilter.INSTANCE; |
| } |
| |
| protected ElementFilter createTagCompletionFilter() { |
| return TrueFilter.INSTANCE; |
| } |
| |
| private static class SimpleTagContentEnumerationValuesGetter implements ContextGetter { |
| @Override |
| public Object[] get(final PsiElement context, CompletionContext completionContext) { |
| XmlTag tag = PsiTreeUtil.getParentOfType(context, XmlTag.class, false); |
| if (tag != null) { |
| final XmlTag simpleContent = XmlUtil.getSchemaSimpleContent(tag); |
| if (simpleContent != null) { |
| final HashSet<String> variants = new HashSet<String>(); |
| XmlUtil.collectEnumerationValues(simpleContent, variants); |
| return ArrayUtil.toObjectArray(variants); |
| } |
| } |
| |
| return ArrayUtil.EMPTY_OBJECT_ARRAY; |
| } |
| } |
| |
| protected static class EntityRefGetter implements ContextGetter { |
| |
| @Nullable |
| private static Object getLookupItem(@Nullable final XmlEntityDecl decl) { |
| if (decl == null) { |
| return null; |
| } |
| |
| final String name = decl.getName(); |
| if (name == null) { |
| return null; |
| } |
| |
| final XmlAttributeValue value = decl.getValueElement(); |
| final ASTNode node = value.getNode(); |
| if (node != null) { |
| final ASTNode[] nodes = node.getChildren(TokenSet.create(XmlTokenType.XML_CHAR_ENTITY_REF)); |
| if (nodes.length == 1) { |
| final String valueText = nodes[0].getText(); |
| final int i = valueText.indexOf('#'); |
| if (i > 0) { |
| String s = valueText.substring(i + 1); |
| if (s.endsWith(";")) { |
| s = s.substring(0, s.length() - 1); |
| } |
| |
| try { |
| final int unicodeChar = Integer.valueOf(s).intValue(); |
| return LookupValueFactory.createLookupValueWithHint(name, null, String.valueOf((char)unicodeChar)); |
| } |
| catch (NumberFormatException e) { |
| return null; |
| } |
| } |
| } |
| } |
| |
| return null; |
| } |
| |
| @Override |
| public Object[] get(final PsiElement context, CompletionContext completionContext) { |
| XmlFile containingFile = null; |
| XmlFile descriptorFile = null; |
| final XmlTag tag = PsiTreeUtil.getParentOfType(context, XmlTag.class); |
| |
| if (tag != null) { |
| containingFile = (XmlFile)tag.getContainingFile(); |
| descriptorFile = findDescriptorFile(tag, containingFile); |
| } |
| |
| if (HtmlUtil.isHtml5Context(tag)) { |
| descriptorFile = XmlUtil.findXmlFile(containingFile, Html5SchemaProvider.getCharsDtdLocation()); |
| } else if (tag == null) { |
| final XmlDocument document = PsiTreeUtil.getParentOfType(context, XmlDocument.class); |
| |
| if (document != null) { |
| containingFile = (XmlFile)document.getContainingFile(); |
| |
| final FileType ft = containingFile.getFileType(); |
| if (HtmlUtil.isHtml5Document(document)) { |
| descriptorFile = XmlUtil.findXmlFile(containingFile, Html5SchemaProvider.getCharsDtdLocation()); |
| } else if(ft != StdFileTypes.XML) { |
| final String namespace = ft == StdFileTypes.XHTML || ft == StdFileTypes.JSPX ? XmlUtil.XHTML_URI : XmlUtil.HTML_URI; |
| final XmlNSDescriptor nsDescriptor = document.getDefaultNSDescriptor(namespace, true); |
| |
| if (nsDescriptor != null) { |
| descriptorFile = nsDescriptor.getDescriptorFile(); |
| } |
| } |
| } |
| } |
| |
| if (descriptorFile != null) { |
| final List<Object> results = new ArrayList<Object>(); |
| final boolean acceptSystemEntities = containingFile.getFileType() == StdFileTypes.XML; |
| |
| final PsiElementProcessor processor = new PsiElementProcessor() { |
| @Override |
| public boolean execute(@NotNull final PsiElement element) { |
| if (element instanceof XmlEntityDecl) { |
| final XmlEntityDecl xmlEntityDecl = (XmlEntityDecl)element; |
| if (xmlEntityDecl.isInternalReference() || acceptSystemEntities) { |
| final String name = xmlEntityDecl.getName(); |
| final Object _item = getLookupItem(xmlEntityDecl); |
| results.add(_item == null ? name : _item); |
| } |
| } |
| return true; |
| } |
| }; |
| |
| XmlUtil.processXmlElements(descriptorFile, processor, true); |
| if (descriptorFile != containingFile && containingFile.getFileType() == StdFileTypes.XML) { |
| final XmlProlog element = containingFile.getDocument().getProlog(); |
| if (element != null) XmlUtil.processXmlElements(element, processor, true); |
| } |
| |
| return ArrayUtil.toObjectArray(results); |
| } |
| |
| return ArrayUtil.EMPTY_OBJECT_ARRAY; |
| } |
| } |
| |
| public static XmlFile findDescriptorFile(final XmlTag tag, final XmlFile containingFile) { |
| final XmlElementDescriptor descriptor = tag.getDescriptor(); |
| final XmlNSDescriptor nsDescriptor = descriptor != null ? descriptor.getNSDescriptor() : null; |
| XmlFile descriptorFile = nsDescriptor != null |
| ? nsDescriptor.getDescriptorFile() |
| : containingFile.getDocument().getProlog().getDoctype() != null ? containingFile : null; |
| if (nsDescriptor != null && (descriptorFile == null || descriptorFile.getName().equals(containingFile.getName() + ".dtd"))) { |
| descriptorFile = containingFile; |
| } |
| return descriptorFile; |
| } |
| |
| protected static class EntityRefInsertHandler extends BasicInsertHandler { |
| @Override |
| public void handleInsert(InsertionContext context, LookupElement item) { |
| super.handleInsert(context, item); |
| context.setAddCompletionChar(false); |
| final CaretModel caretModel = context.getEditor().getCaretModel(); |
| context.getEditor().getDocument().insertString(caretModel.getOffset(), ";"); |
| caretModel.moveToOffset(caretModel.getOffset() + 1); |
| } |
| } |
| } |