84 lines
2.9 KiB
Go
84 lines
2.9 KiB
Go
// Copyright (C) 2021 The Android Open Source Project
|
|
//
|
|
// 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 android
|
|
|
|
import (
|
|
"fmt"
|
|
"strings"
|
|
|
|
"github.com/google/blueprint"
|
|
)
|
|
|
|
// Provides support for interacting with the `deapexer` module to which a `prebuilt_apex` module
|
|
// will delegate the work to export files from a prebuilt '.apex` file.
|
|
|
|
// The information exported by the `deapexer` module, access it using `DeapxerInfoProvider`.
|
|
type DeapexerInfo struct {
|
|
// map from the name of an exported file from a prebuilt_apex to the path to that file. The
|
|
// exported file name is of the form <module>{<tag>} where <tag> is currently only allowed to be
|
|
// ".dexjar".
|
|
//
|
|
// See Prebuilt.ApexInfoMutator for more information.
|
|
exports map[string]Path
|
|
}
|
|
|
|
// The set of supported prebuilt export tags. Used to verify the tag parameter for
|
|
// `PrebuiltExportPath`.
|
|
var supportedPrebuiltExportTags = map[string]struct{}{
|
|
".dexjar": {},
|
|
}
|
|
|
|
// PrebuiltExportPath provides the path, or nil if not available, of a file exported from the
|
|
// prebuilt_apex that created this ApexInfo.
|
|
//
|
|
// The exported file is identified by the module name and the tag:
|
|
// * The module name is the name of the module that contributed the file when the .apex file
|
|
// referenced by the prebuilt_apex was built. It must be specified in one of the exported_...
|
|
// properties on the prebuilt_apex module.
|
|
// * The tag identifies the type of file and is dependent on the module type.
|
|
//
|
|
// See apex/deapexer.go for more information.
|
|
func (i DeapexerInfo) PrebuiltExportPath(name, tag string) Path {
|
|
|
|
if _, ok := supportedPrebuiltExportTags[tag]; !ok {
|
|
panic(fmt.Errorf("unsupported prebuilt export tag %q, expected one of %s",
|
|
tag, strings.Join(SortedStringKeys(supportedPrebuiltExportTags), ", ")))
|
|
}
|
|
|
|
path := i.exports[name+"{"+tag+"}"]
|
|
return path
|
|
}
|
|
|
|
// Provider that can be used from within the `GenerateAndroidBuildActions` of a module that depends
|
|
// on a `deapexer` module to retrieve its `DeapexerInfo`.
|
|
var DeapexerProvider = blueprint.NewProvider(DeapexerInfo{})
|
|
|
|
// NewDeapexerInfo creates and initializes a DeapexerInfo that is suitable
|
|
// for use with a prebuilt_apex module.
|
|
//
|
|
// See apex/deapexer.go for more information.
|
|
func NewDeapexerInfo(exports map[string]Path) DeapexerInfo {
|
|
return DeapexerInfo{
|
|
exports: exports,
|
|
}
|
|
}
|
|
|
|
type deapexerTagStruct struct {
|
|
blueprint.BaseDependencyTag
|
|
}
|
|
|
|
// A tag that is used for dependencies on the `deapexer` module.
|
|
var DeapexerTag = deapexerTagStruct{}
|