com.google.devtools.build.xcode.xcodegen.Resources.java Source code

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Here is the source code for com.google.devtools.build.xcode.xcodegen.Resources.java

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// 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.xcode.xcodegen;

import com.google.common.base.Optional;
import com.google.common.collect.ImmutableSetMultimap;
import com.google.common.collect.Iterables;
import com.google.devtools.build.xcode.util.Equaling;
import com.google.devtools.build.xcode.util.Value;
import com.google.devtools.build.xcode.xcodegen.proto.XcodeGenProtos.TargetControl;

import com.facebook.buck.apple.xcode.xcodeproj.PBXBuildFile;
import com.facebook.buck.apple.xcode.xcodeproj.PBXReference.SourceTree;
import com.facebook.buck.apple.xcode.xcodeproj.PBXResourcesBuildPhase;
import com.facebook.buck.apple.xcode.xcodeproj.PBXTarget.ProductType;

import java.nio.file.FileSystem;
import java.nio.file.Path;
import java.util.ArrayList;
import java.util.List;

/**
 * Contains information about resources in an Xcode project.
 */
public class Resources extends Value<Resources> {

    private final ImmutableSetMultimap<TargetControl, PBXBuildFile> buildFiles;

    private Resources(ImmutableSetMultimap<TargetControl, PBXBuildFile> buildFiles) {
        super(buildFiles);
        this.buildFiles = buildFiles;
    }

    /**
     * Build files that should be added to the PBXResourcesBuildPhase for the given target.
     */
    public ImmutableSetMultimap<TargetControl, PBXBuildFile> buildFiles() {
        return buildFiles;
    }

    /**
     * Returns the PBXResourcesBuildPhase for the given target, if applicable. It will return an
     * absent {@code Optional} if the target is a library or there are no resources to compile.
     */
    public PBXResourcesBuildPhase resourcesBuildPhase(TargetControl targetControl) {
        PBXResourcesBuildPhase resourcesPhase = new PBXResourcesBuildPhase();
        resourcesPhase.getFiles().addAll(buildFiles().get(targetControl));
        return resourcesPhase;
    }

    public static Optional<String> languageOfLprojDir(Path child) {
        Path parent = child.getParent();
        if (parent == null) {
            return Optional.absent();
        }
        String dirName = parent.getFileName().toString();
        String lprojSuffix = ".lproj";
        if (dirName.endsWith(lprojSuffix)) {
            return Optional.of(dirName.substring(0, dirName.length() - lprojSuffix.length()));
        } else {
            return Optional.absent();
        }
    }

    public static Resources fromTargetControls(FileSystem fileSystem, PBXBuildFiles pbxBuildFiles,
            Iterable<TargetControl> targetControls) {
        ImmutableSetMultimap.Builder<TargetControl, PBXBuildFile> buildFiles = new ImmutableSetMultimap.Builder<>();

        for (TargetControl targetControl : targetControls) {
            List<PBXBuildFile> targetBuildFiles = new ArrayList<>();

            Iterable<String> simpleImports = Iterables.concat(targetControl.getXcassetsDirList(),
                    targetControl.getBundleImportList());
            // Add .bundle, .xcassets directories to the Project Navigator so they are visible from within
            // Xcode.
            // Bundle imports are handled very similarly to asset catalogs, so we just add them with the
            // same logic. Xcode's automatic file type detection logic is smart enough to see it is a
            // bundle and link it properly, and add the {@code lastKnownFileType} property.
            for (String simpleImport : simpleImports) {
                targetBuildFiles.add(pbxBuildFiles.getStandalone(FileReference.of(simpleImport, SourceTree.GROUP)));
            }

            Iterables.addAll(targetBuildFiles, pbxBuildFiles.get(AggregateReferenceType.PBXVariantGroup,
                    RelativePaths.fromStrings(fileSystem, targetControl.getGeneralResourceFileList())));

            // If this target is a binary, save the build files. Otherwise, we don't need them. The file
            // references we generated with fileObjects will be added to the main group later.
            if (!Equaling.of(ProductType.STATIC_LIBRARY, XcodeprojGeneration.productType(targetControl))) {
                buildFiles.putAll(targetControl, targetBuildFiles);
            }
        }

        return new Resources(buildFiles.build());
    }
}