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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 soongconfig
- import (
- "fmt"
- "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 {
- configVars := make(map[string]string)
- if len(vars) > 0 {
- for k, v := range vars {
- configVars[k] = v
- }
- if _, exists := configVars[conditionsDefault]; exists {
- panic(fmt.Sprintf("%q is a reserved soong config variable name", conditionsDefault))
- }
- }
- return soongConfig(configVars)
- }
- 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
- }
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