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Make ApplyWithError a public method on errorableFlag

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Add to altsrc flags. Otherwise, flagSet() was bypassing altsrc's attempt
at shadowing.
main
Jesse Szwedko 8 years ago
parent 8500a4cefd
commit d71794de19
3 changed files with 139 additions and 41 deletions
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91
altsrc/flag_generated.go
Unescape View File

@ -27,6 +27,13 @@ func (f *BoolFlag) Apply(set *flag.FlagSet) {
f.BoolFlag.Apply(set)
}
// ApplyWithError saves the flagSet for later usage calls, then calls the
// wrapped BoolFlag.ApplyWithError
func (f *BoolFlag) ApplyWithError(set *flag.FlagSet) error {
f.set = set
return f.BoolFlag.ApplyWithError(set)
}
// BoolTFlag is the flag type that wraps cli.BoolTFlag to allow
// for other values to be specified
type BoolTFlag struct {
@ -46,6 +53,13 @@ func (f *BoolTFlag) Apply(set *flag.FlagSet) {
f.BoolTFlag.Apply(set)
}
// ApplyWithError saves the flagSet for later usage calls, then calls the
// wrapped BoolTFlag.ApplyWithError
func (f *BoolTFlag) ApplyWithError(set *flag.FlagSet) error {
f.set = set
return f.BoolTFlag.ApplyWithError(set)
}
// DurationFlag is the flag type that wraps cli.DurationFlag to allow
// for other values to be specified
type DurationFlag struct {
@ -65,6 +79,13 @@ func (f *DurationFlag) Apply(set *flag.FlagSet) {
f.DurationFlag.Apply(set)
}
// ApplyWithError saves the flagSet for later usage calls, then calls the
// wrapped DurationFlag.ApplyWithError
func (f *DurationFlag) ApplyWithError(set *flag.FlagSet) error {
f.set = set
return f.DurationFlag.ApplyWithError(set)
}
// Float64Flag is the flag type that wraps cli.Float64Flag to allow
// for other values to be specified
type Float64Flag struct {
@ -84,6 +105,13 @@ func (f *Float64Flag) Apply(set *flag.FlagSet) {
f.Float64Flag.Apply(set)
}
// ApplyWithError saves the flagSet for later usage calls, then calls the
// wrapped Float64Flag.ApplyWithError
func (f *Float64Flag) ApplyWithError(set *flag.FlagSet) error {
f.set = set
return f.Float64Flag.ApplyWithError(set)
}
// GenericFlag is the flag type that wraps cli.GenericFlag to allow
// for other values to be specified
type GenericFlag struct {
@ -103,6 +131,13 @@ func (f *GenericFlag) Apply(set *flag.FlagSet) {
f.GenericFlag.Apply(set)
}
// ApplyWithError saves the flagSet for later usage calls, then calls the
// wrapped GenericFlag.ApplyWithError
func (f *GenericFlag) ApplyWithError(set *flag.FlagSet) error {
f.set = set
return f.GenericFlag.ApplyWithError(set)
}
// Int64Flag is the flag type that wraps cli.Int64Flag to allow
// for other values to be specified
type Int64Flag struct {
@ -122,6 +157,13 @@ func (f *Int64Flag) Apply(set *flag.FlagSet) {
f.Int64Flag.Apply(set)
}
// ApplyWithError saves the flagSet for later usage calls, then calls the
// wrapped Int64Flag.ApplyWithError
func (f *Int64Flag) ApplyWithError(set *flag.FlagSet) error {
f.set = set
return f.Int64Flag.ApplyWithError(set)
}
// IntFlag is the flag type that wraps cli.IntFlag to allow
// for other values to be specified
type IntFlag struct {
@ -141,6 +183,13 @@ func (f *IntFlag) Apply(set *flag.FlagSet) {
f.IntFlag.Apply(set)
}
// ApplyWithError saves the flagSet for later usage calls, then calls the
// wrapped IntFlag.ApplyWithError
func (f *IntFlag) ApplyWithError(set *flag.FlagSet) error {
f.set = set
return f.IntFlag.ApplyWithError(set)
}
// IntSliceFlag is the flag type that wraps cli.IntSliceFlag to allow
// for other values to be specified
type IntSliceFlag struct {
@ -160,6 +209,13 @@ func (f *IntSliceFlag) Apply(set *flag.FlagSet) {
f.IntSliceFlag.Apply(set)
}
// ApplyWithError saves the flagSet for later usage calls, then calls the
// wrapped IntSliceFlag.ApplyWithError
func (f *IntSliceFlag) ApplyWithError(set *flag.FlagSet) error {
f.set = set
return f.IntSliceFlag.ApplyWithError(set)
}
// Int64SliceFlag is the flag type that wraps cli.Int64SliceFlag to allow
// for other values to be specified
type Int64SliceFlag struct {
@ -179,6 +235,13 @@ func (f *Int64SliceFlag) Apply(set *flag.FlagSet) {
f.Int64SliceFlag.Apply(set)
}
// ApplyWithError saves the flagSet for later usage calls, then calls the
// wrapped Int64SliceFlag.ApplyWithError
func (f *Int64SliceFlag) ApplyWithError(set *flag.FlagSet) error {
f.set = set
return f.Int64SliceFlag.ApplyWithError(set)
}
// StringFlag is the flag type that wraps cli.StringFlag to allow
// for other values to be specified
type StringFlag struct {
@ -198,6 +261,13 @@ func (f *StringFlag) Apply(set *flag.FlagSet) {
f.StringFlag.Apply(set)
}
// ApplyWithError saves the flagSet for later usage calls, then calls the
// wrapped StringFlag.ApplyWithError
func (f *StringFlag) ApplyWithError(set *flag.FlagSet) error {
f.set = set
return f.StringFlag.ApplyWithError(set)
}
// StringSliceFlag is the flag type that wraps cli.StringSliceFlag to allow
// for other values to be specified
type StringSliceFlag struct {
@ -217,6 +287,13 @@ func (f *StringSliceFlag) Apply(set *flag.FlagSet) {
f.StringSliceFlag.Apply(set)
}
// ApplyWithError saves the flagSet for later usage calls, then calls the
// wrapped StringSliceFlag.ApplyWithError
func (f *StringSliceFlag) ApplyWithError(set *flag.FlagSet) error {
f.set = set
return f.StringSliceFlag.ApplyWithError(set)
}
// Uint64Flag is the flag type that wraps cli.Uint64Flag to allow
// for other values to be specified
type Uint64Flag struct {
@ -236,6 +313,13 @@ func (f *Uint64Flag) Apply(set *flag.FlagSet) {
f.Uint64Flag.Apply(set)
}
// ApplyWithError saves the flagSet for later usage calls, then calls the
// wrapped Uint64Flag.ApplyWithError
func (f *Uint64Flag) ApplyWithError(set *flag.FlagSet) error {
f.set = set
return f.Uint64Flag.ApplyWithError(set)
}
// UintFlag is the flag type that wraps cli.UintFlag to allow
// for other values to be specified
type UintFlag struct {
@ -254,3 +338,10 @@ func (f *UintFlag) Apply(set *flag.FlagSet) {
f.set = set
f.UintFlag.Apply(set)
}
// ApplyWithError saves the flagSet for later usage calls, then calls the
// wrapped UintFlag.ApplyWithError
func (f *UintFlag) ApplyWithError(set *flag.FlagSet) error {
f.set = set
return f.UintFlag.ApplyWithError(set)
}

82
flag.go
Unescape View File

@ -68,7 +68,7 @@ type Flag interface {
type errorableFlag interface {
Flag
applyWithError(*flag.FlagSet) error
ApplyWithError(*flag.FlagSet) error
}
func flagSet(name string, flags []Flag) (*flag.FlagSet, error) {
@ -77,7 +77,7 @@ func flagSet(name string, flags []Flag) (*flag.FlagSet, error) {
for _, f := range flags {
//TODO remove in v2 when errorableFlag is removed
if ef, ok := f.(errorableFlag); ok {
if err := ef.applyWithError(set); err != nil {
if err := ef.ApplyWithError(set); err != nil {
return nil, err
}
} else {
@ -105,12 +105,12 @@ type Generic interface {
// provided by the user for parsing by the flag
// Ignores parsing errors
func (f GenericFlag) Apply(set *flag.FlagSet) {
f.applyWithError(set)
f.ApplyWithError(set)
}
// applyWithError takes the flagset and calls Set on the generic flag with the value
// ApplyWithError takes the flagset and calls Set on the generic flag with the value
// provided by the user for parsing by the flag
func (f GenericFlag) applyWithError(set *flag.FlagSet) error {
func (f GenericFlag) ApplyWithError(set *flag.FlagSet) error {
val := f.Value
if f.EnvVar != "" {
for _, envVar := range strings.Split(f.EnvVar, ",") {
@ -158,11 +158,11 @@ func (f *StringSlice) Get() interface{} {
// Apply populates the flag given the flag set and environment
// Ignores errors
func (f StringSliceFlag) Apply(set *flag.FlagSet) {
f.applyWithError(set)
f.ApplyWithError(set)
}
// applyWithError populates the flag given the flag set and environment
func (f StringSliceFlag) applyWithError(set *flag.FlagSet) error {
// ApplyWithError populates the flag given the flag set and environment
func (f StringSliceFlag) ApplyWithError(set *flag.FlagSet) error {
if f.EnvVar != "" {
for _, envVar := range strings.Split(f.EnvVar, ",") {
envVar = strings.TrimSpace(envVar)
@ -221,11 +221,11 @@ func (f *IntSlice) Get() interface{} {
// Apply populates the flag given the flag set and environment
// Ignores errors
func (f IntSliceFlag) Apply(set *flag.FlagSet) {
f.applyWithError(set)
f.ApplyWithError(set)
}
// applyWithError populates the flag given the flag set and environment
func (f IntSliceFlag) applyWithError(set *flag.FlagSet) error {
// ApplyWithError populates the flag given the flag set and environment
func (f IntSliceFlag) ApplyWithError(set *flag.FlagSet) error {
if f.EnvVar != "" {
for _, envVar := range strings.Split(f.EnvVar, ",") {
envVar = strings.TrimSpace(envVar)
@ -284,11 +284,11 @@ func (f *Int64Slice) Get() interface{} {
// Apply populates the flag given the flag set and environment
// Ignores errors
func (f Int64SliceFlag) Apply(set *flag.FlagSet) {
f.applyWithError(set)
f.ApplyWithError(set)
}
// applyWithError populates the flag given the flag set and environment
func (f Int64SliceFlag) applyWithError(set *flag.FlagSet) error {
// ApplyWithError populates the flag given the flag set and environment
func (f Int64SliceFlag) ApplyWithError(set *flag.FlagSet) error {
if f.EnvVar != "" {
for _, envVar := range strings.Split(f.EnvVar, ",") {
envVar = strings.TrimSpace(envVar)
@ -318,11 +318,11 @@ func (f Int64SliceFlag) applyWithError(set *flag.FlagSet) error {
// Apply populates the flag given the flag set and environment
// Ignores errors
func (f BoolFlag) Apply(set *flag.FlagSet) {
f.applyWithError(set)
f.ApplyWithError(set)
}
// applyWithError populates the flag given the flag set and environment
func (f BoolFlag) applyWithError(set *flag.FlagSet) error {
// ApplyWithError populates the flag given the flag set and environment
func (f BoolFlag) ApplyWithError(set *flag.FlagSet) error {
val := false
if f.EnvVar != "" {
for _, envVar := range strings.Split(f.EnvVar, ",") {
@ -358,11 +358,11 @@ func (f BoolFlag) applyWithError(set *flag.FlagSet) error {
// Apply populates the flag given the flag set and environment
// Ignores errors
func (f BoolTFlag) Apply(set *flag.FlagSet) {
f.applyWithError(set)
f.ApplyWithError(set)
}
// applyWithError populates the flag given the flag set and environment
func (f BoolTFlag) applyWithError(set *flag.FlagSet) error {
// ApplyWithError populates the flag given the flag set and environment
func (f BoolTFlag) ApplyWithError(set *flag.FlagSet) error {
val := true
if f.EnvVar != "" {
for _, envVar := range strings.Split(f.EnvVar, ",") {
@ -398,11 +398,11 @@ func (f BoolTFlag) applyWithError(set *flag.FlagSet) error {
// Apply populates the flag given the flag set and environment
// Ignores errors
func (f StringFlag) Apply(set *flag.FlagSet) {
f.applyWithError(set)
f.ApplyWithError(set)
}
// applyWithError populates the flag given the flag set and environment
func (f StringFlag) applyWithError(set *flag.FlagSet) error {
// ApplyWithError populates the flag given the flag set and environment
func (f StringFlag) ApplyWithError(set *flag.FlagSet) error {
if f.EnvVar != "" {
for _, envVar := range strings.Split(f.EnvVar, ",") {
envVar = strings.TrimSpace(envVar)
@ -427,11 +427,11 @@ func (f StringFlag) applyWithError(set *flag.FlagSet) error {
// Apply populates the flag given the flag set and environment
// Ignores errors
func (f IntFlag) Apply(set *flag.FlagSet) {
f.applyWithError(set)
f.ApplyWithError(set)
}
// applyWithError populates the flag given the flag set and environment
func (f IntFlag) applyWithError(set *flag.FlagSet) error {
// ApplyWithError populates the flag given the flag set and environment
func (f IntFlag) ApplyWithError(set *flag.FlagSet) error {
if f.EnvVar != "" {
for _, envVar := range strings.Split(f.EnvVar, ",") {
envVar = strings.TrimSpace(envVar)
@ -460,11 +460,11 @@ func (f IntFlag) applyWithError(set *flag.FlagSet) error {
// Apply populates the flag given the flag set and environment
// Ignores errors
func (f Int64Flag) Apply(set *flag.FlagSet) {
f.applyWithError(set)
f.ApplyWithError(set)
}
// applyWithError populates the flag given the flag set and environment
func (f Int64Flag) applyWithError(set *flag.FlagSet) error {
// ApplyWithError populates the flag given the flag set and environment
func (f Int64Flag) ApplyWithError(set *flag.FlagSet) error {
if f.EnvVar != "" {
for _, envVar := range strings.Split(f.EnvVar, ",") {
envVar = strings.TrimSpace(envVar)
@ -494,11 +494,11 @@ func (f Int64Flag) applyWithError(set *flag.FlagSet) error {
// Apply populates the flag given the flag set and environment
// Ignores errors
func (f UintFlag) Apply(set *flag.FlagSet) {
f.applyWithError(set)
f.ApplyWithError(set)
}
// applyWithError populates the flag given the flag set and environment
func (f UintFlag) applyWithError(set *flag.FlagSet) error {
// ApplyWithError populates the flag given the flag set and environment
func (f UintFlag) ApplyWithError(set *flag.FlagSet) error {
if f.EnvVar != "" {
for _, envVar := range strings.Split(f.EnvVar, ",") {
envVar = strings.TrimSpace(envVar)
@ -528,11 +528,11 @@ func (f UintFlag) applyWithError(set *flag.FlagSet) error {
// Apply populates the flag given the flag set and environment
// Ignores errors
func (f Uint64Flag) Apply(set *flag.FlagSet) {
f.applyWithError(set)
f.ApplyWithError(set)
}
// applyWithError populates the flag given the flag set and environment
func (f Uint64Flag) applyWithError(set *flag.FlagSet) error {
// ApplyWithError populates the flag given the flag set and environment
func (f Uint64Flag) ApplyWithError(set *flag.FlagSet) error {
if f.EnvVar != "" {
for _, envVar := range strings.Split(f.EnvVar, ",") {
envVar = strings.TrimSpace(envVar)
@ -562,11 +562,11 @@ func (f Uint64Flag) applyWithError(set *flag.FlagSet) error {
// Apply populates the flag given the flag set and environment
// Ignores errors
func (f DurationFlag) Apply(set *flag.FlagSet) {
f.applyWithError(set)
f.ApplyWithError(set)
}
// applyWithError populates the flag given the flag set and environment
func (f DurationFlag) applyWithError(set *flag.FlagSet) error {
// ApplyWithError populates the flag given the flag set and environment
func (f DurationFlag) ApplyWithError(set *flag.FlagSet) error {
if f.EnvVar != "" {
for _, envVar := range strings.Split(f.EnvVar, ",") {
envVar = strings.TrimSpace(envVar)
@ -596,11 +596,11 @@ func (f DurationFlag) applyWithError(set *flag.FlagSet) error {
// Apply populates the flag given the flag set and environment
// Ignores errors
func (f Float64Flag) Apply(set *flag.FlagSet) {
f.applyWithError(set)
f.ApplyWithError(set)
}
// applyWithError populates the flag given the flag set and environment
func (f Float64Flag) applyWithError(set *flag.FlagSet) error {
// ApplyWithError populates the flag given the flag set and environment
func (f Float64Flag) ApplyWithError(set *flag.FlagSet) error {
if f.EnvVar != "" {
for _, envVar := range strings.Split(f.EnvVar, ",") {
envVar = strings.TrimSpace(envVar)

7
generate-flag-types
Unescape View File

@ -232,6 +232,13 @@ def _write_altsrc_flag_types(outfile, types):
f.set = set
f.{name}Flag.Apply(set)
}}
// ApplyWithError saves the flagSet for later usage calls, then calls the
// wrapped {name}Flag.ApplyWithError
func (f *{name}Flag) ApplyWithError(set *flag.FlagSet) error {{
f.set = set
return f.{name}Flag.ApplyWithError(set)
}}
""".format(**typedef))

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