| // Copyright 2014 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.devtools.build.lib.pkgcache; |
| |
| import com.google.devtools.build.lib.cmdline.LabelValidator; |
| import com.google.devtools.build.lib.cmdline.TargetParsingException; |
| import com.google.devtools.build.lib.collect.compacthashset.CompactHashSet; |
| import com.google.devtools.build.lib.packages.Package; |
| import com.google.devtools.build.lib.packages.Target; |
| import com.google.devtools.build.lib.server.FailureDetails.TargetPatterns; |
| import com.google.devtools.build.lib.vfs.PathFragment; |
| import java.util.Collection; |
| |
| /** |
| * Common utility methods for target pattern resolution. |
| */ |
| public final class TargetPatternResolverUtil { |
| private TargetPatternResolverUtil() { |
| // Utility class. |
| } |
| |
| public static String getParsingErrorMessage(String message, String originalPattern) { |
| if (originalPattern == null) { |
| return message; |
| } else { |
| return String.format("while parsing '%s': %s", originalPattern, message); |
| } |
| } |
| |
| public static Collection<Target> resolvePackageTargets(Package pkg, FilteringPolicy policy) { |
| if (policy == FilteringPolicies.NO_FILTER) { |
| return pkg.getTargets().values(); |
| } |
| CompactHashSet<Target> builder = CompactHashSet.create(); |
| for (Target target : pkg.getTargets().values()) { |
| if (policy.shouldRetain(target, false)) { |
| builder.add(target); |
| } |
| } |
| return builder; |
| } |
| |
| public static PathFragment getPathFragment(String pathPrefix) throws TargetParsingException { |
| PathFragment directory = PathFragment.create(pathPrefix); |
| if (directory.containsUplevelReferences()) { |
| throw new TargetParsingException( |
| "up-level references are not permitted: '" + directory.getPathString() + "'", |
| TargetPatterns.Code.UP_LEVEL_REFERENCES_NOT_ALLOWED); |
| } |
| if (!pathPrefix.isEmpty() && (LabelValidator.validatePackageName(pathPrefix) != null)) { |
| throw new TargetParsingException( |
| "'" + pathPrefix + "' is not a valid package name", |
| TargetPatterns.Code.PACKAGE_NAME_INVALID); |
| } |
| return directory; |
| } |
| } |