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// Copyright 2018 Google Inc. 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 java
import (
"path/filepath"
"strings"
"android/soong/android"
)
func init() {
android.RegisterPreSingletonType("overlay", OverlaySingletonFactory)
}
var androidResourceIgnoreFilenames = []string{
".svn",
".git",
".ds_store",
"*.scc",
".*",
"CVS",
"thumbs.db",
"picasa.ini",
"*~",
}
func androidResourceGlob(ctx android.ModuleContext, dir android.Path) android.Paths {
return ctx.GlobFiles(filepath.Join(dir.String(), "**/*"), androidResourceIgnoreFilenames)
}
type overlayGlobResult struct {
dir string
paths android.DirectorySortedPaths
// Set to true of the product has selected that values in this overlay should not be moved to
// Runtime Resource Overlay (RRO) packages.
excludeFromRRO bool
}
const overlayDataKey = "overlayDataKey"
type globbedResourceDir struct {
dir android.Path
files android.Paths
}
func overlayResourceGlob(ctx android.ModuleContext, dir android.Path) (res []globbedResourceDir,
rroDirs android.Paths) {
overlayData := ctx.Config().Get(overlayDataKey).([]overlayGlobResult)
// Runtime resource overlays (RRO) may be turned on by the product config for some modules
rroEnabled := ctx.Config().EnforceRROForModule(ctx.ModuleName())
for _, data := range overlayData {
files := data.paths.PathsInDirectory(filepath.Join(data.dir, dir.String()))
if len(files) > 0 {
overlayModuleDir := android.PathForSource(ctx, data.dir, dir.String())
// If enforce RRO is enabled for this module and this overlay is not in the
// exclusion list, ignore the overlay. The list of ignored overlays will be
// passed to Make to be turned into an RRO package.
if rroEnabled && !data.excludeFromRRO {
rroDirs = append(rroDirs, overlayModuleDir)
} else {
res = append(res, globbedResourceDir{
dir: overlayModuleDir,
files: files,
})
}
}
}
return res, rroDirs
}
func OverlaySingletonFactory() android.Singleton {
return overlaySingleton{}
}
type overlaySingleton struct{}
func (overlaySingleton) GenerateBuildActions(ctx android.SingletonContext) {
var overlayData []overlayGlobResult
overlayDirs := ctx.Config().ResourceOverlays()
for i := range overlayDirs {
// Iterate backwards through the list of overlay directories so that the later, lower-priority
// directories in the list show up earlier in the command line to aapt2.
overlay := overlayDirs[len(overlayDirs)-1-i]
var result overlayGlobResult
result.dir = overlay
// Mark overlays that will not have Runtime Resource Overlays enforced on them
// based on the product config
result.excludeFromRRO = ctx.Config().EnforceRROExcludedOverlay(overlay)
files, err := ctx.GlobWithDeps(filepath.Join(overlay, "**/*"), androidResourceIgnoreFilenames)
if err != nil {
ctx.Errorf("failed to glob resource dir %q: %s", overlay, err.Error())
continue
}
var paths android.Paths
for _, f := range files {
if !strings.HasSuffix(f, "/") {
paths = append(paths, android.PathForSource(ctx, f))
}
}
result.paths = android.PathsToDirectorySortedPaths(paths)
overlayData = append(overlayData, result)
}
ctx.Config().Once(overlayDataKey, func() interface{} {
return overlayData
})
}
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