| /* |
| * Copyright 2000-2013 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.jetbrains.rest.completion; |
| |
| import com.intellij.codeInsight.completion.*; |
| import com.intellij.codeInsight.lookup.LookupElementBuilder; |
| import com.intellij.patterns.PsiElementPattern; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiFile; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import com.intellij.util.ProcessingContext; |
| import com.jetbrains.rest.RestUtil; |
| import com.jetbrains.rest.psi.RestDirectiveBlock; |
| import org.jetbrains.annotations.NotNull; |
| |
| import static com.intellij.patterns.PlatformPatterns.psiElement; |
| |
| /** |
| * User : catherine |
| */ |
| public class OptionCompletionContributor extends CompletionContributor { |
| public static final PsiElementPattern.Capture<PsiElement> OPTION_PATTERN = psiElement().withParent(RestDirectiveBlock.class); |
| |
| public OptionCompletionContributor() { |
| extend(CompletionType.BASIC, OPTION_PATTERN, |
| new CompletionProvider<CompletionParameters>() { |
| @Override |
| protected void addCompletions(@NotNull CompletionParameters parameters, |
| ProcessingContext context, |
| @NotNull CompletionResultSet result) { |
| |
| RestDirectiveBlock original = PsiTreeUtil.getParentOfType(parameters.getOriginalPosition(), RestDirectiveBlock.class); |
| if (original != null) { |
| |
| int offset = parameters.getOffset(); |
| final PsiFile file = parameters.getOriginalFile(); |
| String prefix = getPrefix(offset, file); |
| |
| if (prefix.length() > 0) { |
| result = result.withPrefixMatcher(prefix); |
| } |
| for (String tag : RestUtil.getDirectiveOptions(original.getDirectiveName())) { |
| result.addElement(LookupElementBuilder.create(tag + " ")); |
| } |
| } |
| |
| } |
| |
| private String getPrefix(int offset, PsiFile file) { |
| if (offset > 0) { |
| offset--; |
| } |
| final String text = file.getText(); |
| StringBuilder prefixBuilder = new StringBuilder(); |
| while(offset > 0 && (Character.isLetterOrDigit(text.charAt(offset)) || text.charAt(offset) == ':')) { |
| prefixBuilder.insert(0, text.charAt(offset)); |
| if (text.charAt(offset) == ':') { |
| break; |
| } |
| offset--; |
| } |
| return prefixBuilder.toString(); |
| } |
| } |
| ); |
| } |
| } |