139 lines
3.8 KiB
Go
139 lines
3.8 KiB
Go
// Copyright 2018 Google Inc. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package java
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import (
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"path/filepath"
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"strings"
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"android/soong/android"
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)
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func init() {
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android.RegisterPreSingletonType("overlay", OverlaySingletonFactory)
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}
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var androidResourceIgnoreFilenames = []string{
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".svn",
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".git",
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".ds_store",
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"*.scc",
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".*",
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"CVS",
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"thumbs.db",
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"picasa.ini",
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"*~",
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}
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func androidResourceGlob(ctx android.ModuleContext, dir android.Path) android.Paths {
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return ctx.GlobFiles(filepath.Join(dir.String(), "**/*"), androidResourceIgnoreFilenames)
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}
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type overlayType int
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const (
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device overlayType = iota + 1
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product
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)
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type rroDir struct {
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path android.Path
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overlayType overlayType
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}
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type overlayGlobResult struct {
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dir string
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paths android.DirectorySortedPaths
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overlayType overlayType
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}
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var overlayDataKey = android.NewOnceKey("overlayDataKey")
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type globbedResourceDir struct {
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dir android.Path
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files android.Paths
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}
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func overlayResourceGlob(ctx android.ModuleContext, dir android.Path) (res []globbedResourceDir,
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rroDirs []rroDir) {
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overlayData := ctx.Config().Get(overlayDataKey).([]overlayGlobResult)
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// Runtime resource overlays (RRO) may be turned on by the product config for some modules
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rroEnabled := ctx.Config().EnforceRROForModule(ctx.ModuleName())
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for _, data := range overlayData {
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files := data.paths.PathsInDirectory(filepath.Join(data.dir, dir.String()))
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if len(files) > 0 {
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overlayModuleDir := android.PathForSource(ctx, data.dir, dir.String())
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// If enforce RRO is enabled for this module and this overlay is not in the
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// exclusion list, ignore the overlay. The list of ignored overlays will be
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// passed to Make to be turned into an RRO package.
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if rroEnabled && !ctx.Config().EnforceRROExcludedOverlay(overlayModuleDir.String()) {
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rroDirs = append(rroDirs, rroDir{overlayModuleDir, data.overlayType})
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} else {
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res = append(res, globbedResourceDir{
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dir: overlayModuleDir,
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files: files,
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})
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}
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}
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}
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return res, rroDirs
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}
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func OverlaySingletonFactory() android.Singleton {
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return overlaySingleton{}
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}
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type overlaySingleton struct{}
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func (overlaySingleton) GenerateBuildActions(ctx android.SingletonContext) {
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var overlayData []overlayGlobResult
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appendOverlayData := func(overlayDirs []string, t overlayType) {
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for i := range overlayDirs {
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// Iterate backwards through the list of overlay directories so that the later, lower-priority
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// directories in the list show up earlier in the command line to aapt2.
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overlay := overlayDirs[len(overlayDirs)-1-i]
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var result overlayGlobResult
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result.dir = overlay
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result.overlayType = t
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files, err := ctx.GlobWithDeps(filepath.Join(overlay, "**/*"), androidResourceIgnoreFilenames)
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if err != nil {
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ctx.Errorf("failed to glob resource dir %q: %s", overlay, err.Error())
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continue
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}
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var paths android.Paths
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for _, f := range files {
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if !strings.HasSuffix(f, "/") {
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paths = append(paths, android.PathForSource(ctx, f))
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}
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}
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result.paths = android.PathsToDirectorySortedPaths(paths)
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overlayData = append(overlayData, result)
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}
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}
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appendOverlayData(ctx.Config().DeviceResourceOverlays(), device)
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appendOverlayData(ctx.Config().ProductResourceOverlays(), product)
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ctx.Config().Once(overlayDataKey, func() interface{} {
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return overlayData
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})
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}
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