options.go

// MIT License
//
// Copyright (c) 2020 Lack
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.

package config

import (
	"context"

	"github.com/lack-io/vine/lib/config/loader"
	"github.com/lack-io/vine/lib/config/reader"
	"github.com/lack-io/vine/lib/config/source"
)

type Options struct {
	Loader loader.Loader
	Reader reader.Reader
	Source []source.Source

	// for alternative data
	Context context.Context
}

type Option func(o *Options)

// WithLoader sets the loader for manager config
func WithLoader(l loader.Loader) Option {
	return func(o *Options) {
		o.Loader = l
	}
}

// WithSource appends a source to list of sources
func WithSource(s source.Source) Option {
	return func(o *Options) {
		o.Source = append(o.Source, s)
	}
}

// WithReader sets the config reader
func WithReader(r reader.Reader) Option {
	return func(o *Options) {
		o.Reader = r
	}
}