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