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Commit 4d0c19c2 authored by Mathew Inwood's avatar Mathew Inwood
Browse files

Singleton build rule for merged compat config. 

This creates a single build artifact with all compat config from the build.

Test: m out/soong/compat_config/merged_compat_config.xml
Bug: 144927670

Change-Id: Ie60575469c22c201cf1f4d4c187c03c7212dd26b
parent 431b8a2f

java/platform_compat_config.go

+49 −0
Original line number Diff line number Diff line
@@ -19,9 +19,14 @@ import ( 
)



func init() {

	android.RegisterSingletonType("platform_compat_config_singleton", platformCompatConfigSingletonFactory)

	android.RegisterModuleType("platform_compat_config", platformCompatConfigFactory)

}



type platformCompatConfigSingleton struct {

	metadata android.Path

}



type platformCompatConfigProperties struct {

	Src *string `android:"path"`

}
@@ -35,6 +40,46 @@ type platformCompatConfig struct { 
	metadataFile   android.OutputPath

}



func (p *platformCompatConfig) compatConfigMetadata() android.OutputPath {

	return p.metadataFile

}



type platformCompatConfigIntf interface {

	compatConfigMetadata() android.OutputPath

}



var _ platformCompatConfigIntf = (*platformCompatConfig)(nil)



// compat singleton rules

func (p *platformCompatConfigSingleton) GenerateBuildActions(ctx android.SingletonContext) {



	var compatConfigMetadata android.Paths



	ctx.VisitAllModules(func(module android.Module) {

		if c, ok := module.(platformCompatConfigIntf); ok {

			metadata := c.compatConfigMetadata()

			compatConfigMetadata = append(compatConfigMetadata, metadata)

		}

	})



	if compatConfigMetadata == nil {

		// nothing to do.

		return

	}



	rule := android.NewRuleBuilder()

	outputPath := android.PathForOutput(ctx, "compat_config", "merged_compat_config.xml")



	rule.Command().

		BuiltTool(ctx, "process-compat-config").

		FlagForEachInput("--xml ", compatConfigMetadata).

		FlagWithOutput("--merged-config ", outputPath)



	rule.Build(pctx, ctx, "merged-compat-config", "Merge compat config")



	p.metadata = outputPath

}



func (p *platformCompatConfig) GenerateAndroidBuildActions(ctx android.ModuleContext) {

	rule := android.NewRuleBuilder()
@@ -69,6 +114,10 @@ func (p *platformCompatConfig) AndroidMkEntries() []android.AndroidMkEntries { 
	}}

}



func platformCompatConfigSingletonFactory() android.Singleton {

	return &platformCompatConfigSingleton{}

}



func platformCompatConfigFactory() android.Module {

	module := &platformCompatConfig{}

	module.AddProperties(&module.properties)