| /* |
| * Copyright 2016 The Bazel Authors. All rights reserved. |
| * |
| * 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.google.idea.blaze.base.run.filter; |
| |
| import com.google.common.annotations.VisibleForTesting; |
| import com.google.idea.blaze.base.lang.buildfile.references.BuildReferenceManager; |
| import com.google.idea.blaze.base.lang.buildfile.references.LabelUtils; |
| import com.google.idea.blaze.base.model.primitives.Label; |
| import com.intellij.execution.filters.Filter; |
| import com.intellij.execution.filters.HyperlinkInfo; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.psi.NavigatablePsiElement; |
| import com.intellij.psi.PsiElement; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| import javax.annotation.Nullable; |
| |
| /** Parse blaze targets in streamed output. */ |
| public class BlazeTargetFilter implements Filter { |
| |
| // See Bazel's LabelValidator class. Whitespace character intentionally not included here. |
| private static final String PACKAGE_NAME_CHARS = "a-zA-Z0-9/\\-\\._$()"; |
| private static final String TARGET_CHARS = "a-zA-Z0-9+,=~#()$_@\\-"; |
| |
| private static final String TARGET_REGEX = |
| String.format( |
| "(@[%s]*)?//[%s]*(:[%s]*)?", PACKAGE_NAME_CHARS, PACKAGE_NAME_CHARS, TARGET_CHARS); |
| |
| @VisibleForTesting static final Pattern TARGET_PATTERN = Pattern.compile(TARGET_REGEX); |
| |
| private final Project project; |
| |
| public BlazeTargetFilter(Project project) { |
| this.project = project; |
| } |
| |
| @Nullable |
| @Override |
| public Result applyFilter(String line, int entireLength) { |
| Matcher matcher = TARGET_PATTERN.matcher(line); |
| List<ResultItem> results = new ArrayList<>(); |
| while (matcher.find()) { |
| String labelString = matcher.group(); |
| Label label = LabelUtils.createLabelFromString(null, labelString); |
| if (label == null) { |
| continue; |
| } |
| PsiElement psi = BuildReferenceManager.getInstance(project).resolveLabel(label); |
| if (!(psi instanceof NavigatablePsiElement)) { |
| continue; |
| } |
| HyperlinkInfo link = project -> ((NavigatablePsiElement) psi).navigate(true); |
| int offset = entireLength - line.length(); |
| results.add(new ResultItem(matcher.start() + offset, matcher.end() + offset, link)); |
| } |
| return results.isEmpty() ? null : new Result(results); |
| } |
| } |