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// Copyright 2020 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 android
import (
"github.com/google/blueprint"
)
type licenseKindDependencyTag struct {
blueprint.BaseDependencyTag
}
var (
licenseKindTag = licenseKindDependencyTag{}
)
func init() {
RegisterLicenseBuildComponents(InitRegistrationContext)
}
// Register the license module type.
func RegisterLicenseBuildComponents(ctx RegistrationContext) {
ctx.RegisterModuleType("license", LicenseFactory)
}
type licenseProperties struct {
// Specifies the kinds of license that apply.
License_kinds []string
// Specifies a short copyright notice to use for the license.
Copyright_notice *string
// Specifies the path or label for the text of the license.
License_text []string `android:"path"`
// Specifies the package name to which the license applies.
Package_name *string
// Specifies where this license can be used
Visibility []string
}
type licenseModule struct {
ModuleBase
DefaultableModuleBase
properties licenseProperties
}
func (m *licenseModule) DepsMutator(ctx BottomUpMutatorContext) {
for i, license := range m.properties.License_kinds {
for j := i + 1; j < len(m.properties.License_kinds); j++ {
if license == m.properties.License_kinds[j] {
ctx.ModuleErrorf("Duplicated license kind: %q", license)
break
}
}
}
ctx.AddVariationDependencies(nil, licenseKindTag, m.properties.License_kinds...)
}
func (m *licenseModule) GenerateAndroidBuildActions(ctx ModuleContext) {
// license modules have no licenses, but license_kinds must refer to license_kind modules
mergeStringProps(&m.base().commonProperties.Effective_licenses, ctx.ModuleName())
namePathProps(&m.base().commonProperties.Effective_license_text, m.properties.Package_name, PathsForModuleSrc(ctx, m.properties.License_text)...)
for _, module := range ctx.GetDirectDepsWithTag(licenseKindTag) {
if lk, ok := module.(*licenseKindModule); ok {
mergeStringProps(&m.base().commonProperties.Effective_license_conditions, lk.properties.Conditions...)
mergeStringProps(&m.base().commonProperties.Effective_license_kinds, ctx.OtherModuleName(module))
} else {
ctx.ModuleErrorf("license_kinds property %q is not a license_kind module", ctx.OtherModuleName(module))
}
}
}
func LicenseFactory() Module {
module := &licenseModule{}
base := module.base()
module.AddProperties(&base.nameProperties, &module.properties)
// The visibility property needs to be checked and parsed by the visibility module.
setPrimaryVisibilityProperty(module, "visibility", &module.properties.Visibility)
initAndroidModuleBase(module)
InitDefaultableModule(module)
return module
}