89e9a16ebd
The end goal of this exercise is to remove all mutable global state so that multiple Blueprint instances can be run in the same process. Test: Presubmit. Change-Id: Idb34b0920f2c7d92efb9328ce8a78b7306f89571
416 lines
11 KiB
Go
416 lines
11 KiB
Go
// Copyright 2017 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 main
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import (
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"android/soong/android"
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"bytes"
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"html/template"
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"io/ioutil"
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"path/filepath"
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"sort"
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"github.com/google/blueprint/bootstrap"
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"github.com/google/blueprint/bootstrap/bpdoc"
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)
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type perPackageTemplateData struct {
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Name string
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Modules []moduleTypeTemplateData
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}
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type moduleTypeTemplateData struct {
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Name string
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Synopsis template.HTML
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Properties []bpdoc.Property
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}
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// The properties in this map are displayed first, according to their rank.
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// TODO(jungjw): consider providing module type-dependent ranking
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var propertyRank = map[string]int{
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"name": 0,
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"src": 1,
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"srcs": 2,
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"exclude_srcs": 3,
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"defaults": 4,
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"host_supported": 5,
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"device_supported": 6,
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}
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// For each module type, extract its documentation and convert it to the template data.
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func moduleTypeDocsToTemplates(moduleTypeList []*bpdoc.ModuleType) []moduleTypeTemplateData {
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result := make([]moduleTypeTemplateData, 0)
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// Combine properties from all PropertyStruct's and reorder them -- first the ones
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// with rank, then the rest of the properties in alphabetic order.
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for _, m := range moduleTypeList {
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item := moduleTypeTemplateData{
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Name: m.Name,
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Synopsis: m.Text,
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Properties: make([]bpdoc.Property, 0),
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}
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props := make([]bpdoc.Property, 0)
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for _, propStruct := range m.PropertyStructs {
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props = append(props, propStruct.Properties...)
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}
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sort.Slice(props, func(i, j int) bool {
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if rankI, ok := propertyRank[props[i].Name]; ok {
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if rankJ, ok := propertyRank[props[j].Name]; ok {
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return rankI < rankJ
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} else {
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return true
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}
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}
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if _, ok := propertyRank[props[j].Name]; ok {
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return false
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}
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return props[i].Name < props[j].Name
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})
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// Eliminate top-level duplicates. TODO(jungjw): improve bpdoc to handle this.
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previousPropertyName := ""
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for _, prop := range props {
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if prop.Name == previousPropertyName {
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oldProp := &item.Properties[len(item.Properties)-1].Properties
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bpdoc.CollapseDuplicateProperties(oldProp, &prop.Properties)
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} else {
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item.Properties = append(item.Properties, prop)
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}
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previousPropertyName = prop.Name
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}
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result = append(result, item)
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}
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sort.Slice(result, func(i, j int) bool { return result[i].Name < result[j].Name })
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return result
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}
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func getPackages(ctx *android.Context, config interface{}) ([]*bpdoc.Package, error) {
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moduleTypeFactories := android.ModuleTypeFactoriesForDocs()
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return bootstrap.ModuleTypeDocs(ctx.Context, config, moduleTypeFactories)
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}
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func writeDocs(ctx *android.Context, config interface{}, filename string) error {
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packages, err := getPackages(ctx, config)
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if err != nil {
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return err
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}
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// Produce the top-level, package list page first.
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tmpl := template.Must(template.Must(template.New("file").Parse(packageListTemplate)).Parse(copyBaseUrl))
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buf := &bytes.Buffer{}
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err = tmpl.Execute(buf, packages)
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if err == nil {
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err = ioutil.WriteFile(filename, buf.Bytes(), 0666)
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}
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// Now, produce per-package module lists with detailed information.
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for _, pkg := range packages {
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// We need a module name getter/setter function because I couldn't
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// find a way to keep it in a variable defined within the template.
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currentModuleName := ""
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tmpl := template.Must(
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template.Must(template.New("file").Funcs(map[string]interface{}{
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"setModule": func(moduleName string) string {
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currentModuleName = moduleName
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return ""
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},
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"getModule": func() string {
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return currentModuleName
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},
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}).Parse(perPackageTemplate)).Parse(copyBaseUrl))
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buf := &bytes.Buffer{}
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modules := moduleTypeDocsToTemplates(pkg.ModuleTypes)
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data := perPackageTemplateData{Name: pkg.Name, Modules: modules}
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err = tmpl.Execute(buf, data)
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if err != nil {
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return err
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}
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pkgFileName := filepath.Join(filepath.Dir(filename), pkg.Name+".html")
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err = ioutil.WriteFile(pkgFileName, buf.Bytes(), 0666)
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if err != nil {
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return err
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}
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}
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return err
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}
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// TODO(jungjw): Consider ordering by name.
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const (
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packageListTemplate = `
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<html>
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<head>
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<title>Build Docs</title>
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<style>
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#main {
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padding: 48px;
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}
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table{
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table-layout: fixed;
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}
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td {
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word-wrap:break-word;
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}
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/* The following entries are copied from source.android.com's css file. */
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td,td code {
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color: #202124
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}
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th,th code {
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color: #fff;
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font: 500 16px/24px Roboto,sans-serif
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}
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td,table.responsive tr:not(.alt) td td:first-child,table.responsive td tr:not(.alt) td:first-child {
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background: rgba(255,255,255,.95);
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vertical-align: top
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}
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td,td code {
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padding: 7px 8px 8px
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}
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tr {
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border: 0;
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background: #78909c;
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border-top: 1px solid #cfd8dc
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}
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th,td {
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border: 0;
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margin: 0;
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text-align: left
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}
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th {
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height: 48px;
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padding: 8px;
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vertical-align: middle
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}
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table {
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border: 0;
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border-collapse: collapse;
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border-spacing: 0;
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font: 14px/20px Roboto,sans-serif;
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margin: 16px 0;
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width: 100%
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}
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h1 {
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color: #80868b;
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font: 300 34px/40px Roboto,sans-serif;
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letter-spacing: -0.01em;
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margin: 40px 0 20px
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}
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h1,h2,h3,h4,h5,h6 {
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overflow: hidden;
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padding: 0;
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text-overflow: ellipsis
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}
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:link,:visited {
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color: #039be5;
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outline: 0;
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text-decoration: none
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}
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body,html {
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color: #202124;
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font: 400 16px/24px Roboto,sans-serif;
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-moz-osx-font-smoothing: grayscale;
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-webkit-font-smoothing: antialiased;
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height: 100%;
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margin: 0;
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-webkit-text-size-adjust: 100%;
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-moz-text-size-adjust: 100%;
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-ms-text-size-adjust: 100%;
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text-size-adjust: 100%
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}
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html {
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-webkit-box-sizing: border-box;
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box-sizing: border-box
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}
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*,*::before,*::after {
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-webkit-box-sizing: inherit;
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box-sizing: inherit
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}
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body,div,dl,dd,form,img,input,figure,menu {
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margin: 0;
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padding: 0
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}
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</style>
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{{template "copyBaseUrl"}}
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</head>
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<body>
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<div id="main">
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<H1>Soong Modules Reference</H1>
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The latest versions of Android use the Soong build system, which greatly simplifies build
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configuration over the previous Make-based system. This site contains the generated reference
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files for the Soong build system.
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<table class="module_types" summary="Table of Soong module types sorted by package">
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<thead>
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<tr>
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<th style="width:20%">Package</th>
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<th style="width:80%">Module types</th>
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</tr>
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</thead>
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<tbody>
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{{range $pkg := .}}
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<tr>
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<td>{{.Path}}</td>
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<td>
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{{range $i, $mod := .ModuleTypes}}{{if $i}}, {{end}}<a href="{{$pkg.Name}}.html#{{$mod.Name}}">{{$mod.Name}}</a>{{end}}
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</td>
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</tr>
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{{end}}
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</tbody>
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</table>
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</div>
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</body>
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</html>
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`
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perPackageTemplate = `
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<html>
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<head>
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<title>Build Docs</title>
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<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.2.1/css/bootstrap.min.css">
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<style>
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.accordion,.simple{margin-left:1.5em;text-indent:-1.5em;margin-top:.25em}
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.collapsible{border-width:0 0 0 1;margin-left:.25em;padding-left:.25em;border-style:solid;
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border-color:grey;display:none;}
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span.fixed{display: block; float: left; clear: left; width: 1em;}
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ul {
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list-style-type: none;
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margin: 0;
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padding: 0;
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width: 30ch;
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background-color: #f1f1f1;
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position: fixed;
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height: 100%;
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overflow: auto;
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}
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li a {
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display: block;
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color: #000;
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padding: 8px 16px;
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text-decoration: none;
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}
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li a.active {
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background-color: #4CAF50;
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color: white;
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}
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li a:hover:not(.active) {
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background-color: #555;
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color: white;
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}
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</style>
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{{template "copyBaseUrl"}}
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</head>
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<body>
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{{- /* Fixed sidebar with module types */ -}}
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<ul>
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<li><h3>{{.Name}} package</h3></li>
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{{range $moduleType := .Modules}}<li><a href="{{$.Name}}.html#{{$moduleType.Name}}">{{$moduleType.Name}}</a></li>
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{{end -}}
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</ul>
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{{/* Main panel with H1 section per module type */}}
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<div style="margin-left:30ch;padding:1px 16px;">
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{{range $moduleType := .Modules}}
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{{setModule $moduleType.Name}}
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<p>
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<h2 id="{{$moduleType.Name}}">{{$moduleType.Name}}</h2>
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{{if $moduleType.Synopsis }}{{$moduleType.Synopsis}}{{else}}<i>Missing synopsis</i>{{end}}
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{{- /* Comma-separated list of module attributes' links module attributes */ -}}
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<div class="breadcrumb">
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{{range $i,$prop := $moduleType.Properties }}
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{{ if gt $i 0 }}, {{end -}}
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<a href={{$.Name}}.html#{{getModule}}.{{$prop.Name}}>{{$prop.Name}}</a>
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{{- end -}}
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</div>
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{{- /* Property description */ -}}
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{{- template "properties" $moduleType.Properties -}}
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{{- end -}}
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{{define "properties" -}}
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{{range .}}
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{{if .Properties -}}
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<div class="accordion" id="{{getModule}}.{{.Name}}">
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<span class="fixed">⊕</span><b>{{.Name}}</b>
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{{- range .OtherNames -}}, {{.}}{{- end -}}
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</div>
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<div class="collapsible">
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{{- .Text}} {{range .OtherTexts}}{{.}}{{end}}
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{{template "properties" .Properties -}}
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</div>
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{{- else -}}
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<div class="simple" id="{{getModule}}.{{.Name}}">
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<span class="fixed"> </span><b>{{.Name}} {{range .OtherNames}}, {{.}}{{end -}}</b>
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<i>{{.Type}}</i>
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{{- if .Text -}}{{if ne .Text "\n"}}, {{end}}{{.Text}}{{- end -}}
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{{- with .OtherTexts -}}{{.}}{{- end -}}
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{{- if .Default -}}<i>Default: {{.Default}}</i>{{- end -}}
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</div>
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{{- end}}
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{{- end -}}
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{{- end -}}
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</div>
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<script>
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accordions = document.getElementsByClassName('accordion');
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for (i=0; i < accordions.length; ++i) {
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accordions[i].addEventListener("click", function() {
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var panel = this.nextElementSibling;
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var child = this.firstElementChild;
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if (panel.style.display === "block") {
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panel.style.display = "none";
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child.textContent = '\u2295';
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} else {
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panel.style.display = "block";
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child.textContent = '\u2296';
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}
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});
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}
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</script>
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</body>
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`
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copyBaseUrl = `
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{{define "copyBaseUrl"}}
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<script type="text/javascript">
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window.addEventListener('message', (e) => {
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if (e != null && e.data != null && e.data.type === "SET_BASE" && e.data.base != null) {
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const existingBase = document.querySelector('base');
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if (existingBase != null) {
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existingBase.parentElement.removeChild(existingBase);
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}
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const base = document.createElement('base');
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base.setAttribute('href', e.data.base);
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document.head.appendChild(base);
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}
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});
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</script>
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{{end}}
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`
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)
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