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- // Copyright 2019 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 android
- import (
- "fmt"
- "path/filepath"
- "strings"
- )
- func modulesOutputDirs(ctx BuilderContext, modules ...Module) []string {
- dirs := make([]string, 0, len(modules))
- for _, module := range modules {
- paths, err := outputFilesForModule(ctx, module, "")
- if err != nil {
- continue
- }
- for _, path := range paths {
- if path != nil {
- dirs = append(dirs, filepath.Dir(path.String()))
- }
- }
- }
- return SortedUniqueStrings(dirs)
- }
- func modulesLicenseMetadata(ctx BuilderContext, modules ...Module) Paths {
- result := make(Paths, 0, len(modules))
- for _, module := range modules {
- if mf := module.base().licenseMetadataFile; mf != nil {
- result = append(result, mf)
- }
- }
- return result
- }
- // buildNoticeOutputFromLicenseMetadata writes out a notice file.
- func buildNoticeOutputFromLicenseMetadata(
- ctx BuilderContext, tool, ruleName string, outputFile WritablePath,
- libraryName string, stripPrefix []string, modules ...Module) {
- depsFile := outputFile.ReplaceExtension(ctx, strings.TrimPrefix(outputFile.Ext()+".d", "."))
- rule := NewRuleBuilder(pctx, ctx)
- if len(modules) == 0 {
- if mctx, ok := ctx.(ModuleContext); ok {
- modules = []Module{mctx.Module()}
- } else {
- panic(fmt.Errorf("%s %q needs a module to generate the notice for", ruleName, libraryName))
- }
- }
- if libraryName == "" {
- libraryName = modules[0].Name()
- }
- cmd := rule.Command().
- BuiltTool(tool).
- FlagWithOutput("-o ", outputFile).
- FlagWithDepFile("-d ", depsFile)
- if len(stripPrefix) > 0 {
- cmd = cmd.FlagForEachArg("--strip_prefix ", stripPrefix)
- }
- outputs := modulesOutputDirs(ctx, modules...)
- if len(outputs) > 0 {
- cmd = cmd.FlagForEachArg("--strip_prefix ", outputs)
- }
- if libraryName != "" {
- cmd = cmd.FlagWithArg("--product ", libraryName)
- }
- cmd = cmd.Inputs(modulesLicenseMetadata(ctx, modules...))
- rule.Build(ruleName, "container notice file")
- }
- // BuildNoticeTextOutputFromLicenseMetadata writes out a notice text file based
- // on the license metadata files for the input `modules` defaulting to the
- // current context module if none given.
- func BuildNoticeTextOutputFromLicenseMetadata(
- ctx BuilderContext, outputFile WritablePath, ruleName, libraryName string,
- stripPrefix []string, modules ...Module) {
- buildNoticeOutputFromLicenseMetadata(ctx, "textnotice", "text_notice_"+ruleName,
- outputFile, libraryName, stripPrefix, modules...)
- }
- // BuildNoticeHtmlOutputFromLicenseMetadata writes out a notice text file based
- // on the license metadata files for the input `modules` defaulting to the
- // current context module if none given.
- func BuildNoticeHtmlOutputFromLicenseMetadata(
- ctx BuilderContext, outputFile WritablePath, ruleName, libraryName string,
- stripPrefix []string, modules ...Module) {
- buildNoticeOutputFromLicenseMetadata(ctx, "htmlnotice", "html_notice_"+ruleName,
- outputFile, libraryName, stripPrefix, modules...)
- }
- // BuildNoticeXmlOutputFromLicenseMetadata writes out a notice text file based
- // on the license metadata files for the input `modules` defaulting to the
- // current context module if none given.
- func BuildNoticeXmlOutputFromLicenseMetadata(
- ctx BuilderContext, outputFile WritablePath, ruleName, libraryName string,
- stripPrefix []string, modules ...Module) {
- buildNoticeOutputFromLicenseMetadata(ctx, "xmlnotice", "xml_notice_"+ruleName,
- outputFile, libraryName, stripPrefix, modules...)
- }
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