| /* |
| * Copyright 2000-2009 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.intellij.lang.regexp; |
| |
| import com.intellij.lang.ASTNode; |
| import com.intellij.lang.documentation.AbstractDocumentationProvider; |
| import com.intellij.psi.PsiElement; |
| import org.intellij.lang.regexp.psi.RegExpElement; |
| import org.intellij.lang.regexp.psi.RegExpGroup; |
| import org.intellij.lang.regexp.psi.RegExpProperty; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * @author vnikolaenko |
| */ |
| public final class RegExpDocumentationProvider extends AbstractDocumentationProvider { |
| @Override |
| @Nullable |
| public String generateDoc(PsiElement element, @Nullable PsiElement originalElement) { |
| if (element instanceof RegExpProperty) { |
| final RegExpProperty prop = (RegExpProperty)element; |
| final ASTNode node = prop.getCategoryNode(); |
| if (node != null) { |
| final String description = RegExpLanguageHosts.getInstance().getPropertyDescription(node.getPsi(), node.getText()); |
| if (description != null) { |
| if (prop.isNegated()) { |
| return "Property block stands for characters not matching " + description; |
| } else { |
| return "Property block stands for " + description; |
| } |
| } |
| } |
| } |
| return null; |
| } |
| |
| @Nullable |
| public String getQuickNavigateInfo(PsiElement element, PsiElement originalElement) { |
| if (element instanceof RegExpGroup) { |
| return "Capturing Group: " + ((RegExpElement)element).getUnescapedText(); |
| } else { |
| return null; |
| } |
| } |
| } |