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