platform_build_soong/android/soongconfig/config.go

52 lines
1.5 KiB
Go

// 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 soongconfig
import "strings"
type SoongConfig interface {
// Bool interprets the variable named `name` as a boolean, returning true if, after
// lowercasing, it matches one of "1", "y", "yes", "on", or "true". Unset, or any other
// value will return false.
Bool(name string) bool
// String returns the string value of `name`. If the variable was not set, it will
// return the empty string.
String(name string) string
// IsSet returns whether the variable `name` was set by Make.
IsSet(name string) bool
}
func Config(vars map[string]string) SoongConfig {
return soongConfig(vars)
}
type soongConfig map[string]string
func (c soongConfig) Bool(name string) bool {
v := strings.ToLower(c[name])
return v == "1" || v == "y" || v == "yes" || v == "on" || v == "true"
}
func (c soongConfig) String(name string) string {
return c[name]
}
func (c soongConfig) IsSet(name string) bool {
_, ok := c[name]
return ok
}