// Copyright 2017-present The Hugo Authors. 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 helpers implements general utility functions that work with
// and on content.  The helper functions defined here lay down the
// foundation of how Hugo works with files and filepaths, and perform
// string operations on content.
package config

// A cached version of the current ConfigProvider (language) and relatives. These globals
// are unfortunate, but we still have some places that needs this that does
// not have access to the site configuration.
// These values will be set on initialization when rendering a new language.
//
// TODO(bep) Get rid of these.
var (
	currentConfigProvider Provider
)

// Provider provides the configuration settings for Hugo.
type Provider interface {
	GetString(key string) string
	GetInt(key string) int
	GetBool(key string) bool
	GetStringMap(key string) map[string]interface{}
	GetStringMapString(key string) map[string]string
	Get(key string) interface{}
	Set(key string, value interface{})
	IsSet(key string) bool
}