altsrc

package
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 Go to latest Published: Feb 4, 2020 License: MIT Imports: 18 Imported by: 0

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Constants

This section is empty.

Variables

This section is empty.

Functions

func ApplyInputSourceValues 

func ApplyInputSourceValues(context *cli.Context, inputSourceContext InputSourceContext, flags []cli.Flag) error

ApplyInputSourceValues iterates over all provided flags and executes ApplyInputSourceValue on flags implementing the FlagInputSourceExtension interface to initialize these flags to an alternate input source.

func InitInputSource 

func InitInputSource(flags []cli.Flag, createInputSource func() (InputSourceContext, error)) cli.BeforeFunc

InitInputSource is used to to setup an InputSourceContext on a cli.Command Before method. It will create a new input source based on the func provided. If there is no error it will then apply the new input source to any flags that are supported by the input source

func InitInputSourceWithContext 

func InitInputSourceWithContext(flags []cli.Flag, createInputSource func(context *cli.Context) (InputSourceContext, error)) cli.BeforeFunc

InitInputSourceWithContext is used to to setup an InputSourceContext on a cli.Command Before method. It will create a new input source based on the func provided with potentially using existing cli.Context values to initialize itself. If there is no error it will then apply the new input source to any flags that are supported by the input source

func NewJSONSourceFromFlagFunc 

func NewJSONSourceFromFlagFunc(flag string) func(c *cli.Context) (InputSourceContext, error)

NewJSONSourceFromFlagFunc returns a func that takes a cli.Context and returns an InputSourceContext suitable for retrieving config variables from a file containing JSON data with the file name defined by the given flag.

func NewTomlSourceFromFlagFunc 

func NewTomlSourceFromFlagFunc(flagFileName string) func(context *cli.Context) (InputSourceContext, error)

NewTomlSourceFromFlagFunc creates a new TOML InputSourceContext from a provided flag name and source context.

func NewYamlSourceFromFlagFunc 

func NewYamlSourceFromFlagFunc(flagFileName string) func(context *cli.Context) (InputSourceContext, error)

NewYamlSourceFromFlagFunc creates a new Yaml InputSourceContext from a provided flag name and source context.

Types

type BoolFlag 

type BoolFlag struct {
	*cli.BoolFlag
	// contains filtered or unexported fields
}

BoolFlag is the flag type that wraps cli.BoolFlag to allow for other values to be specified

func NewBoolFlag 

func NewBoolFlag(fl *cli.BoolFlag) *BoolFlag

NewBoolFlag creates a new BoolFlag

func (*BoolFlag) Apply 

func (f *BoolFlag) Apply(set *flag.FlagSet) error

Apply saves the flagSet for later usage calls, then calls the wrapped BoolFlag.Apply

func (*BoolFlag) ApplyInputSourceValue 

func (f *BoolFlag) ApplyInputSourceValue(context *cli.Context, isc InputSourceContext) error

ApplyInputSourceValue applies a Bool value to the flagSet if required

type DurationFlag 

type DurationFlag struct {
	*cli.DurationFlag
	// contains filtered or unexported fields
}

DurationFlag is the flag type that wraps cli.DurationFlag to allow for other values to be specified

func NewDurationFlag 

func NewDurationFlag(fl *cli.DurationFlag) *DurationFlag

NewDurationFlag creates a new DurationFlag

func (*DurationFlag) Apply 

func (f *DurationFlag) Apply(set *flag.FlagSet) error

Apply saves the flagSet for later usage calls, then calls the wrapped DurationFlag.Apply

func (*DurationFlag) ApplyInputSourceValue 

func (f *DurationFlag) ApplyInputSourceValue(context *cli.Context, isc InputSourceContext) error

ApplyInputSourceValue applies a Duration value to the flagSet if required

type FlagInputSourceExtension 

type FlagInputSourceExtension interface {
	cli.Flag
	ApplyInputSourceValue(context *cli.Context, isc InputSourceContext) error
}

FlagInputSourceExtension is an extension interface of cli.Flag that allows a value to be set on the existing parsed flags.

type Float64Flag 

type Float64Flag struct {
	*cli.Float64Flag
	// contains filtered or unexported fields
}

Float64Flag is the flag type that wraps cli.Float64Flag to allow for other values to be specified

func NewFloat64Flag 

func NewFloat64Flag(fl *cli.Float64Flag) *Float64Flag

NewFloat64Flag creates a new Float64Flag

func (*Float64Flag) Apply 

func (f *Float64Flag) Apply(set *flag.FlagSet) error

Apply saves the flagSet for later usage calls, then calls the wrapped Float64Flag.Apply

func (*Float64Flag) ApplyInputSourceValue 

func (f *Float64Flag) ApplyInputSourceValue(context *cli.Context, isc InputSourceContext) error

ApplyInputSourceValue applies a Float64 value to the flagSet if required

type Float64SliceFlag 

type Float64SliceFlag struct {
	*cli.Float64SliceFlag
	// contains filtered or unexported fields
}

Float64SliceFlag is the flag type that wraps cli.Float64SliceFlag to allow for other values to be specified

func NewFloat64SliceFlag 

func NewFloat64SliceFlag(fl *cli.Float64SliceFlag) *Float64SliceFlag

NewFloat64SliceFlag creates a new Float64SliceFlag

func (*Float64SliceFlag) Apply 

func (f *Float64SliceFlag) Apply(set *flag.FlagSet) error

Apply saves the flagSet for later usage calls, then calls the wrapped Float64SliceFlag.Apply

type GenericFlag 

type GenericFlag struct {
	*cli.GenericFlag
	// contains filtered or unexported fields
}

GenericFlag is the flag type that wraps cli.GenericFlag to allow for other values to be specified

func NewGenericFlag 

func NewGenericFlag(fl *cli.GenericFlag) *GenericFlag

NewGenericFlag creates a new GenericFlag

func (*GenericFlag) Apply 

func (f *GenericFlag) Apply(set *flag.FlagSet) error

Apply saves the flagSet for later usage calls, then calls the wrapped GenericFlag.Apply

func (*GenericFlag) ApplyInputSourceValue 

func (f *GenericFlag) ApplyInputSourceValue(context *cli.Context, isc InputSourceContext) error

ApplyInputSourceValue applies a generic value to the flagSet if required

type InputSourceContext 

type InputSourceContext interface {
	Source() string

	Int(name string) (int, error)
	Duration(name string) (time.Duration, error)
	Float64(name string) (float64, error)
	String(name string) (string, error)
	StringSlice(name string) ([]string, error)
	IntSlice(name string) ([]int, error)
	Generic(name string) (cli.Generic, error)
	Bool(name string) (bool, error)
}

InputSourceContext is an interface used to allow other input sources to be implemented as needed.

Source returns an identifier for the input source. In case of file source it should return path to the file.

func NewJSONSource 

func NewJSONSource(data []byte) (InputSourceContext, error)

NewJSONSource returns an InputSourceContext suitable for retrieving config variables from raw JSON data.

func NewJSONSourceFromFile 

func NewJSONSourceFromFile(f string) (InputSourceContext, error)

NewJSONSourceFromFile returns an InputSourceContext suitable for retrieving config variables from a file (or url) containing JSON data.

func NewJSONSourceFromReader 

func NewJSONSourceFromReader(r io.Reader) (InputSourceContext, error)

NewJSONSourceFromReader returns an InputSourceContext suitable for retrieving config variables from an io.Reader that returns JSON data.

func NewTomlSourceFromFile 

func NewTomlSourceFromFile(file string) (InputSourceContext, error)

NewTomlSourceFromFile creates a new TOML InputSourceContext from a filepath.

func NewYamlSourceFromFile 

func NewYamlSourceFromFile(file string) (InputSourceContext, error)

NewYamlSourceFromFile creates a new Yaml InputSourceContext from a filepath.

type Int64Flag 

type Int64Flag struct {
	*cli.Int64Flag
	// contains filtered or unexported fields
}

Int64Flag is the flag type that wraps cli.Int64Flag to allow for other values to be specified

func NewInt64Flag 

func NewInt64Flag(fl *cli.Int64Flag) *Int64Flag

NewInt64Flag creates a new Int64Flag

func (*Int64Flag) Apply 

func (f *Int64Flag) Apply(set *flag.FlagSet) error

Apply saves the flagSet for later usage calls, then calls the wrapped Int64Flag.Apply

type Int64SliceFlag 

type Int64SliceFlag struct {
	*cli.Int64SliceFlag
	// contains filtered or unexported fields
}

Int64SliceFlag is the flag type that wraps cli.Int64SliceFlag to allow for other values to be specified

func NewInt64SliceFlag 

func NewInt64SliceFlag(fl *cli.Int64SliceFlag) *Int64SliceFlag

NewInt64SliceFlag creates a new Int64SliceFlag

func (*Int64SliceFlag) Apply 

func (f *Int64SliceFlag) Apply(set *flag.FlagSet) error

Apply saves the flagSet for later usage calls, then calls the wrapped Int64SliceFlag.Apply

type IntFlag 

type IntFlag struct {
	*cli.IntFlag
	// contains filtered or unexported fields
}

IntFlag is the flag type that wraps cli.IntFlag to allow for other values to be specified

func NewIntFlag 

func NewIntFlag(fl *cli.IntFlag) *IntFlag

NewIntFlag creates a new IntFlag

func (*IntFlag) Apply 

func (f *IntFlag) Apply(set *flag.FlagSet) error

Apply saves the flagSet for later usage calls, then calls the wrapped IntFlag.Apply

func (*IntFlag) ApplyInputSourceValue 

func (f *IntFlag) ApplyInputSourceValue(context *cli.Context, isc InputSourceContext) error

ApplyInputSourceValue applies a int value to the flagSet if required

type IntSliceFlag 

type IntSliceFlag struct {
	*cli.IntSliceFlag
	// contains filtered or unexported fields
}

IntSliceFlag is the flag type that wraps cli.IntSliceFlag to allow for other values to be specified

func NewIntSliceFlag 

func NewIntSliceFlag(fl *cli.IntSliceFlag) *IntSliceFlag

NewIntSliceFlag creates a new IntSliceFlag

func (*IntSliceFlag) Apply 

func (f *IntSliceFlag) Apply(set *flag.FlagSet) error

Apply saves the flagSet for later usage calls, then calls the wrapped IntSliceFlag.Apply

func (*IntSliceFlag) ApplyInputSourceValue 

func (f *IntSliceFlag) ApplyInputSourceValue(context *cli.Context, isc InputSourceContext) error

ApplyInputSourceValue applies a IntSlice value if required

type MapInputSource 

type MapInputSource struct {
	// contains filtered or unexported fields
}

MapInputSource implements InputSourceContext to return data from the map that is loaded.

func (*MapInputSource) Bool 

func (fsm *MapInputSource) Bool(name string) (bool, error)

Bool returns an bool from the map otherwise returns false

func (*MapInputSource) Duration 

func (fsm *MapInputSource) Duration(name string) (time.Duration, error)

Duration returns a duration from the map if it exists otherwise returns 0

func (*MapInputSource) Float64 

func (fsm *MapInputSource) Float64(name string) (float64, error)

Float64 returns an float64 from the map if it exists otherwise returns 0

func (*MapInputSource) Generic 

func (fsm *MapInputSource) Generic(name string) (cli.Generic, error)

Generic returns an cli.Generic from the map if it exists otherwise returns nil

func (*MapInputSource) Int 

func (fsm *MapInputSource) Int(name string) (int, error)

Int returns an int from the map if it exists otherwise returns 0

func (*MapInputSource) IntSlice 

func (fsm *MapInputSource) IntSlice(name string) ([]int, error)

IntSlice returns an []int from the map if it exists otherwise returns nil

func (*MapInputSource) Source 

func (fsm *MapInputSource) Source() string

Source returns the path of the source file

func (*MapInputSource) String 

func (fsm *MapInputSource) String(name string) (string, error)

String returns a string from the map if it exists otherwise returns an empty string

func (*MapInputSource) StringSlice 

func (fsm *MapInputSource) StringSlice(name string) ([]string, error)

StringSlice returns an []string from the map if it exists otherwise returns nil

type PathFlag 

type PathFlag struct {
	*cli.PathFlag
	// contains filtered or unexported fields
}

PathFlag is the flag type that wraps cli.PathFlag to allow for other values to be specified

func NewPathFlag 

func NewPathFlag(fl *cli.PathFlag) *PathFlag

NewPathFlag creates a new PathFlag

func (*PathFlag) Apply 

func (f *PathFlag) Apply(set *flag.FlagSet) error

Apply saves the flagSet for later usage calls, then calls the wrapped PathFlag.Apply

func (*PathFlag) ApplyInputSourceValue 

func (f *PathFlag) ApplyInputSourceValue(context *cli.Context, isc InputSourceContext) error

ApplyInputSourceValue applies a Path value to the flagSet if required

type StringFlag 

type StringFlag struct {
	*cli.StringFlag
	// contains filtered or unexported fields
}

StringFlag is the flag type that wraps cli.StringFlag to allow for other values to be specified

func NewStringFlag 

func NewStringFlag(fl *cli.StringFlag) *StringFlag

NewStringFlag creates a new StringFlag

func (*StringFlag) Apply 

func (f *StringFlag) Apply(set *flag.FlagSet) error

Apply saves the flagSet for later usage calls, then calls the wrapped StringFlag.Apply

func (*StringFlag) ApplyInputSourceValue 

func (f *StringFlag) ApplyInputSourceValue(context *cli.Context, isc InputSourceContext) error

ApplyInputSourceValue applies a String value to the flagSet if required

type StringSliceFlag 

type StringSliceFlag struct {
	*cli.StringSliceFlag
	// contains filtered or unexported fields
}

StringSliceFlag is the flag type that wraps cli.StringSliceFlag to allow for other values to be specified

func NewStringSliceFlag 

func NewStringSliceFlag(fl *cli.StringSliceFlag) *StringSliceFlag

NewStringSliceFlag creates a new StringSliceFlag

func (*StringSliceFlag) Apply 

func (f *StringSliceFlag) Apply(set *flag.FlagSet) error

Apply saves the flagSet for later usage calls, then calls the wrapped StringSliceFlag.Apply

func (*StringSliceFlag) ApplyInputSourceValue 

func (f *StringSliceFlag) ApplyInputSourceValue(context *cli.Context, isc InputSourceContext) error

ApplyInputSourceValue applies a StringSlice value to the flagSet if required

type Uint64Flag 

type Uint64Flag struct {
	*cli.Uint64Flag
	// contains filtered or unexported fields
}

Uint64Flag is the flag type that wraps cli.Uint64Flag to allow for other values to be specified

func NewUint64Flag 

func NewUint64Flag(fl *cli.Uint64Flag) *Uint64Flag

NewUint64Flag creates a new Uint64Flag

func (*Uint64Flag) Apply 

func (f *Uint64Flag) Apply(set *flag.FlagSet) error

Apply saves the flagSet for later usage calls, then calls the wrapped Uint64Flag.Apply

type UintFlag 

type UintFlag struct {
	*cli.UintFlag
	// contains filtered or unexported fields
}

UintFlag is the flag type that wraps cli.UintFlag to allow for other values to be specified

func NewUintFlag 

func NewUintFlag(fl *cli.UintFlag) *UintFlag

NewUintFlag creates a new UintFlag

func (*UintFlag) Apply 

func (f *UintFlag) Apply(set *flag.FlagSet) error

Apply saves the flagSet for later usage calls, then calls the wrapped UintFlag.Apply

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