134 lines
3.9 KiB
Go
134 lines
3.9 KiB
Go
// Copyright 2018 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 xml
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import (
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"android/soong/android"
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"android/soong/etc"
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"github.com/google/blueprint"
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"github.com/google/blueprint/proptools"
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)
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// prebuilt_etc_xml installs an xml file under <partition>/etc/<subdir>.
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// It also optionally validates the xml file against the schema.
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var (
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pctx = android.NewPackageContext("android/soong/xml")
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xmllintDtd = pctx.AndroidStaticRule("xmllint-dtd",
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blueprint.RuleParams{
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Command: `$XmlLintCmd --dtdvalid $dtd $in > /dev/null && touch -a $out`,
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CommandDeps: []string{"$XmlLintCmd"},
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Restat: true,
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},
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"dtd")
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xmllintXsd = pctx.AndroidStaticRule("xmllint-xsd",
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blueprint.RuleParams{
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Command: `$XmlLintCmd --schema $xsd $in > /dev/null && touch -a $out`,
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CommandDeps: []string{"$XmlLintCmd"},
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Restat: true,
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},
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"xsd")
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xmllintMinimal = pctx.AndroidStaticRule("xmllint-minimal",
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blueprint.RuleParams{
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Command: `$XmlLintCmd $in > /dev/null && touch -a $out`,
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CommandDeps: []string{"$XmlLintCmd"},
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Restat: true,
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})
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)
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func init() {
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registerXmlBuildComponents(android.InitRegistrationContext)
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pctx.HostBinToolVariable("XmlLintCmd", "xmllint")
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}
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func registerXmlBuildComponents(ctx android.RegistrationContext) {
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ctx.RegisterModuleType("prebuilt_etc_xml", PrebuiltEtcXmlFactory)
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}
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type prebuiltEtcXmlProperties struct {
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// Optional DTD that will be used to validate the xml file.
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Schema *string `android:"path"`
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}
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type prebuiltEtcXml struct {
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etc.PrebuiltEtc
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properties prebuiltEtcXmlProperties
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}
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func (p *prebuiltEtcXml) timestampFilePath(ctx android.ModuleContext) android.WritablePath {
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return android.PathForModuleOut(ctx, p.PrebuiltEtc.SourceFilePath(ctx).Base()+"-timestamp")
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}
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func (p *prebuiltEtcXml) GenerateAndroidBuildActions(ctx android.ModuleContext) {
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p.PrebuiltEtc.GenerateAndroidBuildActions(ctx)
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if p.properties.Schema != nil {
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schema := android.PathForModuleSrc(ctx, proptools.String(p.properties.Schema))
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switch schema.Ext() {
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case ".dtd":
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ctx.Build(pctx, android.BuildParams{
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Rule: xmllintDtd,
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Description: "xmllint-dtd",
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Input: p.PrebuiltEtc.SourceFilePath(ctx),
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Output: p.timestampFilePath(ctx),
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Implicit: schema,
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Args: map[string]string{
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"dtd": schema.String(),
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},
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})
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break
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case ".xsd":
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ctx.Build(pctx, android.BuildParams{
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Rule: xmllintXsd,
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Description: "xmllint-xsd",
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Input: p.PrebuiltEtc.SourceFilePath(ctx),
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Output: p.timestampFilePath(ctx),
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Implicit: schema,
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Args: map[string]string{
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"xsd": schema.String(),
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},
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})
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break
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default:
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ctx.PropertyErrorf("schema", "not supported extension: %q", schema.Ext())
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}
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} else {
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// when schema is not specified, just check if the xml is well-formed
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ctx.Build(pctx, android.BuildParams{
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Rule: xmllintMinimal,
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Description: "xmllint-minimal",
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Input: p.PrebuiltEtc.SourceFilePath(ctx),
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Output: p.timestampFilePath(ctx),
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})
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}
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p.SetAdditionalDependencies([]android.Path{p.timestampFilePath(ctx)})
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}
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func PrebuiltEtcXmlFactory() android.Module {
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module := &prebuiltEtcXml{}
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module.AddProperties(&module.properties)
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etc.InitPrebuiltEtcModule(&module.PrebuiltEtc, "etc")
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// This module is device-only
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android.InitAndroidArchModule(module, android.DeviceSupported, android.MultilibFirst)
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return module
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}
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