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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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