| /* |
| * Copyright 2005-2008 Sascha Weinreuter |
| * |
| * 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 org.intellij.lang.xpath.completion; |
| |
| import com.intellij.codeInsight.completion.*; |
| import com.intellij.codeInsight.lookup.LookupItem; |
| import com.intellij.patterns.PatternCondition; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import com.intellij.util.Function; |
| import com.intellij.util.ProcessingContext; |
| import com.intellij.util.containers.ContainerUtil; |
| import org.intellij.lang.xpath.context.NamespaceContext; |
| import org.intellij.lang.xpath.psi.*; |
| import org.jetbrains.annotations.NotNull; |
| |
| import javax.xml.namespace.QName; |
| import java.util.Collection; |
| |
| import static com.intellij.patterns.PlatformPatterns.psiElement; |
| |
| /* |
| * Created by IntelliJ IDEA. |
| * User: sweinreuter |
| */ |
| public class XPathCompletionContributor extends CompletionContributor { |
| public static final XPathInsertHandler INSERT_HANDLER = new XPathInsertHandler(); |
| |
| public XPathCompletionContributor() { |
| extend(CompletionType.BASIC, psiElement().withParent(XPathNodeTest.class), new CompletionProvider<CompletionParameters>() { |
| protected void addCompletions(@NotNull CompletionParameters parameters, ProcessingContext context, @NotNull CompletionResultSet result) { |
| final XPathNodeTest nodeTest = (XPathNodeTest)parameters.getPosition().getParent(); |
| addResult(result, CompletionLists.getNodeTestCompletions(nodeTest), parameters.getPosition(), parameters.getOffset()); |
| } |
| }); |
| extend(CompletionType.BASIC, psiElement().withParent(psiElement(XPathNodeTest.class).with(prefix())), new CompletionProvider<CompletionParameters>() { |
| protected void addCompletions(@NotNull CompletionParameters parameters, ProcessingContext context, @NotNull CompletionResultSet result) { |
| final XPathNodeTest nodeTest = (XPathNodeTest)parameters.getPosition().getParent(); |
| addResult(result, CompletionLists.getFunctionCompletions(nodeTest), parameters.getPosition(), parameters.getOffset()); |
| } |
| }); |
| |
| extend(CompletionType.BASIC, psiElement().withParent(XPathAxisSpecifier.class), new CompletionProvider<CompletionParameters>() { |
| protected void addCompletions(@NotNull CompletionParameters parameters, ProcessingContext context, @NotNull CompletionResultSet result) { |
| addResult(result, CompletionLists.getAxisCompletions(), parameters.getPosition(), parameters.getOffset()); |
| } |
| }); |
| |
| extend(CompletionType.BASIC, psiElement().withParent(XPathFunctionCall.class), new CompletionProvider<CompletionParameters>() { |
| protected void addCompletions(@NotNull CompletionParameters parameters, ProcessingContext context, @NotNull CompletionResultSet result) { |
| final XPathFunctionCall call = (XPathFunctionCall)parameters.getPosition().getParent(); |
| addResult(result, CompletionLists.getFunctionCompletions(call), parameters.getPosition(), parameters.getOffset()); |
| } |
| }); |
| extend(CompletionType.BASIC, psiElement().withParent(psiElement(XPathFunctionCall.class).without(prefix())), new CompletionProvider<CompletionParameters>() { |
| protected void addCompletions(@NotNull CompletionParameters parameters, ProcessingContext context, @NotNull CompletionResultSet result) { |
| final XPathFunctionCall call = (XPathFunctionCall)parameters.getPosition().getParent(); |
| addResult(result, CompletionLists.getNodeTypeCompletions(call), parameters.getPosition(), parameters.getOffset()); |
| } |
| }); |
| |
| extend(CompletionType.BASIC, psiElement().withParent(XPathVariableReference.class), new CompletionProvider<CompletionParameters>() { |
| protected void addCompletions(@NotNull CompletionParameters parameters, ProcessingContext context, @NotNull CompletionResultSet result) { |
| addResult(result, CompletionLists.getVariableCompletions((XPathVariableReference)parameters.getPosition().getParent()), parameters.getPosition(), parameters.getOffset()); |
| } |
| }); |
| |
| extend(CompletionType.BASIC, psiElement().withParent(psiElement(XPath2TypeElement.class).without(prefix())), new CompletionProvider<CompletionParameters>() { |
| protected void addCompletions(@NotNull CompletionParameters parameters, ProcessingContext context, @NotNull CompletionResultSet result) { |
| final XPathElement parent = PsiTreeUtil.getParentOfType(parameters.getPosition(), XPathElement.class); |
| assert parent != null; |
| |
| if (parent.getParent() instanceof XPath2TreatAs || parent.getParent() instanceof XPath2InstanceOf) { |
| addResult(result, CompletionLists.getNodeTypeCompletions(parent), parameters.getPosition(), parameters.getOffset()); |
| } |
| |
| final NamespaceContext namespaceContext = parent.getXPathContext().getNamespaceContext(); |
| if (namespaceContext != null) { |
| final String prefixForURI = namespaceContext.getPrefixForURI(XPath2Type.XMLSCHEMA_NS, parent.getXPathContext().getContextElement()); |
| if (prefixForURI != null && prefixForURI.length() > 0) { |
| addResult(result, ContainerUtil.map(XPath2Type.SchemaType.listSchemaTypes(), new Function<XPath2Type, Lookup>() { |
| @Override |
| public Lookup fun(XPath2Type type) { |
| return new MyLookup(prefixForURI + ":" + type.getQName().getLocalPart()); |
| } |
| }), parameters.getPosition(), parameters.getOffset()); |
| } |
| } |
| } |
| }); |
| extend(CompletionType.BASIC, psiElement().withParent(psiElement(XPath2TypeElement.class).with(prefix())), new CompletionProvider<CompletionParameters>() { |
| protected void addCompletions(@NotNull CompletionParameters parameters, ProcessingContext context, @NotNull CompletionResultSet result) { |
| final XPath2TypeElement parent = PsiTreeUtil.getParentOfType(parameters.getPosition(), XPath2TypeElement.class); |
| assert parent != null; |
| |
| final QName qName = parent.getXPathContext().getQName(parent); |
| if (qName != null && qName.getNamespaceURI().equals(XPath2Type.XMLSCHEMA_NS)) { |
| addResult(result, ContainerUtil.map(XPath2Type.SchemaType.listSchemaTypes(), new Function<XPath2Type, Lookup>() { |
| @Override |
| public Lookup fun(XPath2Type type) { |
| return new MyLookup(type.getQName().getLocalPart()); |
| } |
| }), parameters.getPosition(), parameters.getOffset()); |
| } |
| } |
| }); |
| } |
| |
| private static PatternCondition<QNameElement> prefix() { |
| return new PatternCondition<QNameElement>("hasPrefix") { |
| @Override |
| public boolean accepts(@NotNull QNameElement qnameElement, ProcessingContext context) { |
| final PrefixedName qname = qnameElement.getQName(); |
| return qname != null && qname.getPrefix() != null; |
| } |
| }; |
| } |
| |
| private static void addResult(CompletionResultSet result, Collection<Lookup> collection, PsiElement position, int offset) { |
| result = result.withPrefixMatcher(findPrefixStatic(position, offset)); |
| |
| for (Lookup lookup : collection) { |
| final LookupItem<Lookup> item = new LookupItem<Lookup>(lookup, lookup.toString()); |
| item.setInsertHandler(INSERT_HANDLER); |
| if (lookup.isKeyword()) { |
| item.setBold(); |
| } |
| result.addElement(item); |
| } |
| } |
| |
| private static String findPrefixStatic(PsiElement element, int i) { |
| String prefix = CompletionData.findPrefixStatic(element, i); |
| |
| if (element.getParent() instanceof XPathVariableReference) { |
| prefix = "$" + prefix; |
| } |
| |
| if (element.getParent() instanceof XPathNodeTest) { |
| final XPathNodeTest nodeTest = ((XPathNodeTest)element.getParent()); |
| if (nodeTest.isNameTest()) { |
| final PrefixedName prefixedName = nodeTest.getQName(); |
| assert prefixedName != null; |
| final String p = prefixedName.getPrefix(); |
| |
| int endIndex = prefixedName.getLocalName().indexOf(CompletionLists.INTELLIJ_IDEA_RULEZ); |
| if (endIndex != -1) { |
| prefix = prefixedName.getLocalName().substring(0, endIndex); |
| } else if (p != null) { |
| endIndex = p.indexOf(CompletionLists.INTELLIJ_IDEA_RULEZ); |
| if (endIndex != -1) { |
| prefix = p.substring(0, endIndex); |
| } |
| } |
| } |
| } |
| |
| return prefix; |
| } |
| |
| private static class MyLookup extends AbstractLookup { |
| public MyLookup(String name) { |
| super(name, name); |
| } |
| } |
| } |