types

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Version: v0.1.9 Latest Latest
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Published: Aug 30, 2017 License: Apache-2.0 Imports: 2 Imported by: 1,077

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Functions

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Types

type Config

type Config interface {

	// DisableEnvVarSubstitution is the same as the global flag,
	// DisableEnvVarSubstitution.
	DisableEnvVarSubstitution(disable bool)

	// Parent gets the configuration's parent (if set).
	Parent() Config

	// FlagSets gets the config's flag sets.
	FlagSets() map[string]*pflag.FlagSet

	// Scope returns a scoped view of the configuration. The specified scope
	// string will be used to prefix all property retrievals via the Get
	// and Set functions. Please note that the other functions will still
	// operate as they would for the non-scoped configuration instance. This
	// includes the AllSettings and AllKeys functions as well; they are *not*
	// scoped.
	Scope(scope interface{}) Config

	// GetScope returns the config's current scope (if any).
	GetScope() string

	// GetString returns the value associated with the key as a string
	GetString(k interface{}) string

	// GetBool returns the value associated with the key as a bool
	GetBool(k interface{}) bool

	// GetStringSlice returns the value associated with the key as a string
	// slice.
	GetStringSlice(k interface{}) []string

	// GetInt returns the value associated with the key as an int
	GetInt(k interface{}) int

	// Get returns the value associated with the key
	Get(k interface{}) interface{}

	// Set sets an override value
	Set(k interface{}, v interface{})

	// IsSet returns a flag indicating whether or not a key is set.
	IsSet(k interface{}) bool

	// Copy creates a copy of this Config instance
	Copy() (Config, error)

	// ToJSON exports this Config instance to a JSON string
	ToJSON() (string, error)

	// ToJSONCompact exports this Config instance to a compact JSON string
	ToJSONCompact() (string, error)

	// MarshalJSON implements the encoding/json.Marshaller interface. It allows
	// this type to provide its own marshalling routine.
	MarshalJSON() ([]byte, error)

	// ReadConfig reads a configuration stream into the current config instance
	ReadConfig(in io.Reader) error

	// ReadConfigFile reads a configuration files into the current config
	// instance
	ReadConfigFile(filePath string) error

	// EnvVars returns an array of the initialized configuration keys as
	// key=value strings where the key is configuration key's environment
	// variable key and the value is the current value for that key.
	EnvVars() []string

	// AllKeys gets a list of all the keys present in this configuration.
	AllKeys() []string

	// AllSettings gets a map of this configuration's settings.
	AllSettings() map[string]interface{}
}

Config is the interface that enables retrieving configuration information. The variations of the Get function, the Set, IsSet, and Scope functions all take an interface{} as their first parameter. However, the param must be either a string or a fmt.Stringer, otherwise the function will panic.

type ConfigKeyTypes

type ConfigKeyTypes int

ConfigKeyTypes is a type of configuration key.

const (
	// String is a key with a string value
	String ConfigKeyTypes = iota // 0

	// Int is a key with an integer value
	Int // 1

	// Bool is a key with a boolean value
	Bool // 2

	// SecureString is a key with a string value that is not included when the
	// configuration is marshaled to JSON.
	SecureString // 3
)

type ConfigRegistration

type ConfigRegistration interface {

	// Name returns the name of the config registration.
	Name() string

	// YAML returns the registration's default yaml configuration.
	YAML() string

	// SetYAML sets the registration's default yaml configuration.
	SetYAML(y string)

	// Key adds a key to the registration.
	//
	// The first vararg argument is the yaml name of the key, using a '.' as
	// the nested separator. If the second two arguments are omitted they will
	// be generated from the first argument. The second argument is the explicit
	// name of the flag bound to this key. The third argument is the explicit
	// name of the environment variable bound to thie key.
	Key(
		keyType ConfigKeyTypes,
		short string,
		defVal interface{},
		description string,
		keys ...interface{})

	// Keys returns a channel on which a listener can receive the config
	// registration's keys.
	Keys() <-chan ConfigRegistrationKey
}

ConfigRegistration is an interface that describes a configuration registration object.

type ConfigRegistrationKey

type ConfigRegistrationKey interface {
	KeyType() ConfigKeyTypes
	DefaultValue() interface{}
	Short() string
	Description() string
	KeyName() string
	FlagName() string
	EnvVarName() string
}

ConfigRegistrationKey is an interfact that describes a cofniguration registration key object.

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