| /* |
| * 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 org.jetbrains.plugins.groovy.lang.documentation; |
| |
| import com.intellij.psi.*; |
| import com.intellij.psi.search.searches.ReferencesSearch; |
| import com.intellij.psi.util.MethodSignature; |
| import com.intellij.util.ArrayUtil; |
| import com.intellij.util.Processor; |
| import org.jetbrains.plugins.groovy.lang.psi.GrReferenceElement; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.GrReferenceExpression; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.params.GrParameter; |
| import org.jetbrains.plugins.groovy.lang.psi.impl.PsiImplUtil; |
| import org.jetbrains.plugins.groovy.lang.psi.util.PsiUtil; |
| |
| import java.util.Collections; |
| import java.util.LinkedHashSet; |
| import java.util.Set; |
| |
| /** |
| * @author ven |
| */ |
| public class GroovyPresentationUtil { |
| private static final int CONSTRAINTS_NUMBER = 2; |
| |
| public static void appendParameterPresentation(GrParameter parameter, |
| PsiSubstitutor substitutor, |
| TypePresentation typePresentation, |
| StringBuilder builder) { |
| for (PsiAnnotation annotation : parameter.getModifierList().getAnnotations()) { |
| builder.append(annotation.getText()).append(' '); |
| } |
| |
| PsiType type = parameter.getTypeGroovy(); |
| type = substitutor.substitute(type); |
| |
| if (typePresentation == TypePresentation.LINK) { |
| PsiImplUtil.appendTypeString(builder, type, parameter); |
| builder.append(' ').append(parameter.getName()); |
| return; |
| } |
| |
| if (type != null) { |
| if (typePresentation == TypePresentation.PRESENTABLE) { |
| builder.append(type.getPresentableText()).append(' ').append(parameter.getName()); |
| } |
| else if (typePresentation == TypePresentation.CANONICAL) { |
| builder.append(type.getCanonicalText()).append(' ').append(parameter.getName()); |
| } |
| } |
| else { |
| builder.append(parameter.getName()); |
| final Set<String> structural = Collections.synchronizedSet(new LinkedHashSet<String>()); |
| ReferencesSearch.search(parameter, parameter.getUseScope()).forEach(new Processor<PsiReference>() { |
| @Override |
| public boolean process(PsiReference ref) { |
| PsiElement parent = ref.getElement().getParent(); |
| if (parent instanceof GrReferenceExpression) { |
| |
| if (structural.size() >= CONSTRAINTS_NUMBER) { //handle too many constraints |
| structural.add("..."); |
| return false; |
| } |
| |
| StringBuilder builder1 = new StringBuilder(); |
| builder1.append(((GrReferenceElement)parent).getReferenceName()); |
| PsiType[] argTypes = PsiUtil.getArgumentTypes(parent, true); |
| if (argTypes != null) { |
| builder1.append("("); |
| if (argTypes.length > 0) { |
| builder1.append(argTypes.length); |
| if (argTypes.length == 1) { |
| builder1.append(" arg"); |
| } |
| else { |
| builder1.append(" args"); |
| } |
| } |
| builder1.append(')'); |
| } |
| |
| structural.add(builder1.toString()); |
| } |
| |
| return true; |
| } |
| }); |
| |
| if (!structural.isEmpty()) { |
| builder.append("."); |
| String[] array = ArrayUtil.toStringArray(structural); |
| if (array.length > 1) builder.append("["); |
| for (int i = 0; i < array.length; i++) { |
| if (i > 0) builder.append(", "); |
| builder.append(array[i]); |
| } |
| if (array.length > 1) builder.append("]"); |
| } |
| } |
| } |
| |
| public static String getSignaturePresentation(MethodSignature signature) { |
| StringBuilder builder = new StringBuilder(); |
| builder.append(signature.getName()).append('('); |
| PsiType[] types = signature.getParameterTypes(); |
| for (PsiType type : types) { |
| builder.append(type.getPresentableText()).append(", "); |
| } |
| if (types.length > 0) builder.delete(builder.length() - 2, builder.length()); |
| builder.append(")"); |
| return builder.toString(); |
| } |
| } |