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api.go
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api.go
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package econf
import (
"io"
"github.com/davecgh/go-spew/spew"
)
var (
// ConfigTypeJSON ...
ConfigTypeJSON ConfigType = "json"
// ConfigTypeToml ...
ConfigTypeToml ConfigType = "toml"
// ConfigTypeYaml ...
ConfigTypeYaml ConfigType = "yaml"
)
// ConfigType 配置类型
type ConfigType string
// DataSource ...
type DataSource interface {
Parse(addr string, watch bool) ConfigType
ReadConfig() ([]byte, error)
IsConfigChanged() <-chan struct{}
io.Closer
}
// Unmarshaller ...
type Unmarshaller = func([]byte, interface{}) error
var defaultConfiguration = New()
// OnChange 注册change回调函数
func OnChange(fn func(*Configuration)) {
defaultConfiguration.OnChange(fn)
}
// Sub return sub-configuration of defaultConfiguration
func Sub(key string) *Configuration {
return defaultConfiguration.Sub(key)
}
// LoadFromDataSource load configuration from data source
// if data source supports dynamic config, a monitor goroutinue
// would be
func LoadFromDataSource(ds DataSource, unmarshaller Unmarshaller, opts ...Option) error {
return defaultConfiguration.LoadFromDataSource(ds, unmarshaller, opts...)
}
// LoadFromReader loads configuration from provided provider with default defaultConfiguration.
func LoadFromReader(r io.Reader, unmarshaller Unmarshaller) error {
return defaultConfiguration.LoadFromReader(r, unmarshaller)
}
// Apply ...
func Apply(conf map[string]interface{}) error {
return defaultConfiguration.apply(conf)
}
// Reset resets all to default settings.
func Reset() {
defaultConfiguration = New()
}
// Traverse ...
func Traverse(sep string) map[string]interface{} {
return defaultConfiguration.traverse(sep)
}
// RawConfig 原始配置
func RawConfig() []byte {
return defaultConfiguration.raw()
}
// Debug ...
func Debug(sep string) {
spew.Dump("Debug", Traverse(sep))
}
// Get returns an interface. For a specific value use one of the Get____ methods.
func Get(key string) interface{} {
return defaultConfiguration.Get(key)
}
// Set set config value for key
func Set(key string, val interface{}) {
_ = defaultConfiguration.Set(key, val)
}