Jesse Szwedko
8 years ago
committed by
GitHub
commit
40a9813f6f
@ -0,0 +1,3 @@
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package altsrc
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//go:generate python ../generate-flag-types altsrc -i ../flag-types.json -o flag_generated.go
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@ -0,0 +1,256 @@
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package altsrc
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import (
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"flag"
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"github.com/urfave/cli"
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)
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// WARNING: This file is generated!
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// BoolFlag is the flag type that wraps cli.BoolFlag to allow
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// for other values to be specified
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type BoolFlag struct {
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*cli.BoolFlag
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set *flag.FlagSet
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}
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// NewBoolFlag creates a new BoolFlag
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func NewBoolFlag(fl *cli.BoolFlag) *BoolFlag {
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return &BoolFlag{BoolFlag: fl, set: nil}
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}
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// Apply saves the flagSet for later usage calls, then calls the
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// wrapped BoolFlag.Apply
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func (f *BoolFlag) Apply(set *flag.FlagSet) {
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f.set = set
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f.BoolFlag.Apply(set)
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}
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// DurationFlag is the flag type that wraps cli.DurationFlag to allow
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// for other values to be specified
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type DurationFlag struct {
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*cli.DurationFlag
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set *flag.FlagSet
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}
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// NewDurationFlag creates a new DurationFlag
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func NewDurationFlag(fl *cli.DurationFlag) *DurationFlag {
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return &DurationFlag{DurationFlag: fl, set: nil}
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}
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// Apply saves the flagSet for later usage calls, then calls the
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// wrapped DurationFlag.Apply
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func (f *DurationFlag) Apply(set *flag.FlagSet) {
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f.set = set
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f.DurationFlag.Apply(set)
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}
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// Float64Flag is the flag type that wraps cli.Float64Flag to allow
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// for other values to be specified
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type Float64Flag struct {
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*cli.Float64Flag
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set *flag.FlagSet
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}
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// NewFloat64Flag creates a new Float64Flag
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func NewFloat64Flag(fl *cli.Float64Flag) *Float64Flag {
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return &Float64Flag{Float64Flag: fl, set: nil}
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}
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// Apply saves the flagSet for later usage calls, then calls the
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// wrapped Float64Flag.Apply
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func (f *Float64Flag) Apply(set *flag.FlagSet) {
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f.set = set
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f.Float64Flag.Apply(set)
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}
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// GenericFlag is the flag type that wraps cli.GenericFlag to allow
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// for other values to be specified
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type GenericFlag struct {
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*cli.GenericFlag
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set *flag.FlagSet
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}
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// NewGenericFlag creates a new GenericFlag
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func NewGenericFlag(fl *cli.GenericFlag) *GenericFlag {
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return &GenericFlag{GenericFlag: fl, set: nil}
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}
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// Apply saves the flagSet for later usage calls, then calls the
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// wrapped GenericFlag.Apply
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func (f *GenericFlag) Apply(set *flag.FlagSet) {
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f.set = set
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f.GenericFlag.Apply(set)
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}
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// Int64Flag is the flag type that wraps cli.Int64Flag to allow
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// for other values to be specified
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type Int64Flag struct {
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*cli.Int64Flag
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set *flag.FlagSet
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}
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// NewInt64Flag creates a new Int64Flag
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func NewInt64Flag(fl *cli.Int64Flag) *Int64Flag {
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return &Int64Flag{Int64Flag: fl, set: nil}
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}
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// Apply saves the flagSet for later usage calls, then calls the
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// wrapped Int64Flag.Apply
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func (f *Int64Flag) Apply(set *flag.FlagSet) {
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f.set = set
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f.Int64Flag.Apply(set)
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}
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// IntFlag is the flag type that wraps cli.IntFlag to allow
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// for other values to be specified
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type IntFlag struct {
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*cli.IntFlag
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set *flag.FlagSet
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}
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// NewIntFlag creates a new IntFlag
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func NewIntFlag(fl *cli.IntFlag) *IntFlag {
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return &IntFlag{IntFlag: fl, set: nil}
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}
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// Apply saves the flagSet for later usage calls, then calls the
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// wrapped IntFlag.Apply
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func (f *IntFlag) Apply(set *flag.FlagSet) {
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f.set = set
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f.IntFlag.Apply(set)
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}
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// IntSliceFlag is the flag type that wraps cli.IntSliceFlag to allow
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// for other values to be specified
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type IntSliceFlag struct {
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*cli.IntSliceFlag
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set *flag.FlagSet
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}
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// NewIntSliceFlag creates a new IntSliceFlag
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func NewIntSliceFlag(fl *cli.IntSliceFlag) *IntSliceFlag {
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return &IntSliceFlag{IntSliceFlag: fl, set: nil}
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}
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// Apply saves the flagSet for later usage calls, then calls the
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// wrapped IntSliceFlag.Apply
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func (f *IntSliceFlag) Apply(set *flag.FlagSet) {
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f.set = set
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f.IntSliceFlag.Apply(set)
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}
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// Int64SliceFlag is the flag type that wraps cli.Int64SliceFlag to allow
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// for other values to be specified
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type Int64SliceFlag struct {
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*cli.Int64SliceFlag
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set *flag.FlagSet
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}
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// NewInt64SliceFlag creates a new Int64SliceFlag
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func NewInt64SliceFlag(fl *cli.Int64SliceFlag) *Int64SliceFlag {
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return &Int64SliceFlag{Int64SliceFlag: fl, set: nil}
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}
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// Apply saves the flagSet for later usage calls, then calls the
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// wrapped Int64SliceFlag.Apply
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func (f *Int64SliceFlag) Apply(set *flag.FlagSet) {
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f.set = set
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f.Int64SliceFlag.Apply(set)
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}
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// Float64SliceFlag is the flag type that wraps cli.Float64SliceFlag to allow
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// for other values to be specified
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type Float64SliceFlag struct {
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*cli.Float64SliceFlag
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set *flag.FlagSet
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}
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// NewFloat64SliceFlag creates a new Float64SliceFlag
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func NewFloat64SliceFlag(fl *cli.Float64SliceFlag) *Float64SliceFlag {
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return &Float64SliceFlag{Float64SliceFlag: fl, set: nil}
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}
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// Apply saves the flagSet for later usage calls, then calls the
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// wrapped Float64SliceFlag.Apply
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func (f *Float64SliceFlag) Apply(set *flag.FlagSet) {
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f.set = set
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f.Float64SliceFlag.Apply(set)
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}
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// StringFlag is the flag type that wraps cli.StringFlag to allow
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// for other values to be specified
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type StringFlag struct {
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*cli.StringFlag
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set *flag.FlagSet
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}
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// NewStringFlag creates a new StringFlag
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func NewStringFlag(fl *cli.StringFlag) *StringFlag {
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return &StringFlag{StringFlag: fl, set: nil}
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}
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// Apply saves the flagSet for later usage calls, then calls the
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// wrapped StringFlag.Apply
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func (f *StringFlag) Apply(set *flag.FlagSet) {
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f.set = set
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f.StringFlag.Apply(set)
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}
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// StringSliceFlag is the flag type that wraps cli.StringSliceFlag to allow
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// for other values to be specified
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type StringSliceFlag struct {
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*cli.StringSliceFlag
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set *flag.FlagSet
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}
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// NewStringSliceFlag creates a new StringSliceFlag
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func NewStringSliceFlag(fl *cli.StringSliceFlag) *StringSliceFlag {
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return &StringSliceFlag{StringSliceFlag: fl, set: nil}
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}
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// Apply saves the flagSet for later usage calls, then calls the
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// wrapped StringSliceFlag.Apply
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func (f *StringSliceFlag) Apply(set *flag.FlagSet) {
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f.set = set
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f.StringSliceFlag.Apply(set)
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}
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// Uint64Flag is the flag type that wraps cli.Uint64Flag to allow
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// for other values to be specified
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type Uint64Flag struct {
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*cli.Uint64Flag
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set *flag.FlagSet
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}
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// NewUint64Flag creates a new Uint64Flag
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func NewUint64Flag(fl *cli.Uint64Flag) *Uint64Flag {
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return &Uint64Flag{Uint64Flag: fl, set: nil}
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}
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// Apply saves the flagSet for later usage calls, then calls the
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// wrapped Uint64Flag.Apply
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func (f *Uint64Flag) Apply(set *flag.FlagSet) {
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f.set = set
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f.Uint64Flag.Apply(set)
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}
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// UintFlag is the flag type that wraps cli.UintFlag to allow
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// for other values to be specified
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type UintFlag struct {
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*cli.UintFlag
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set *flag.FlagSet
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}
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// NewUintFlag creates a new UintFlag
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func NewUintFlag(fl *cli.UintFlag) *UintFlag {
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return &UintFlag{UintFlag: fl, set: nil}
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}
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// Apply saves the flagSet for later usage calls, then calls the
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// wrapped UintFlag.Apply
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func (f *UintFlag) Apply(set *flag.FlagSet) {
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f.set = set
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f.UintFlag.Apply(set)
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}
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@ -0,0 +1,92 @@
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[
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{
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"name": "Bool",
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"type": "bool",
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"context_default": "false",
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"parser": "strconv.ParseBool(f.Value.String())"
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},
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{
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"name": "Duration",
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"type": "time.Duration",
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"doctail": " (see https://golang.org/pkg/time/#ParseDuration)",
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"context_default": "0",
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"parser": "time.ParseDuration(f.Value.String())"
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},
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{
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"name": "Float64",
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"type": "float64",
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"context_default": "0",
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"parser": "strconv.ParseFloat(f.Value.String(), 64)"
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},
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{
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"name": "Generic",
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"type": "Generic",
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"dest": false,
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"context_default": "nil",
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"context_type": "interface{}"
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},
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{
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"name": "Int64",
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"type": "int64",
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"context_default": "0",
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"parser": "strconv.ParseInt(f.Value.String(), 0, 64)"
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},
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{
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"name": "Int",
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"type": "int",
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"context_default": "0",
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"parser": "strconv.ParseInt(f.Value.String(), 0, 64)",
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"parser_cast": "int(parsed)"
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},
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{
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"name": "IntSlice",
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"type": "*IntSlice",
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"dest": false,
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"context_default": "nil",
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"context_type": "[]int",
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"parser": "(f.Value.(*IntSlice)).Value(), error(nil)"
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},
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{
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"name": "Int64Slice",
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"type": "*Int64Slice",
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"dest": false,
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"context_default": "nil",
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"context_type": "[]int64",
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"parser": "(f.Value.(*Int64Slice)).Value(), error(nil)"
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},
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{
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"name": "Float64Slice",
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"type": "*Float64Slice",
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"dest": false,
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"context_default": "nil",
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"context_type": "[]float64",
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"parser": "(f.Value.(*Float64Slice)).Value(), error(nil)"
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},
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{
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"name": "String",
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"type": "string",
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"context_default": "\"\"",
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"parser": "f.Value.String(), error(nil)"
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},
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{
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"name": "StringSlice",
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"type": "*StringSlice",
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"dest": false,
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"context_default": "nil",
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"context_type": "[]string",
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"parser": "(f.Value.(*StringSlice)).Value(), error(nil)"
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},
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{
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"name": "Uint64",
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"type": "uint64",
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"context_default": "0",
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"parser": "strconv.ParseUint(f.Value.String(), 0, 64)"
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},
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{
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"name": "Uint",
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"type": "uint",
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"context_default": "0",
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"parser": "strconv.ParseUint(f.Value.String(), 0, 64)",
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"parser_cast": "uint(parsed)"
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}
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]
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@ -0,0 +1,524 @@
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package cli
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import (
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"flag"
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"strconv"
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"time"
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)
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// WARNING: This file is generated!
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// BoolFlag is a flag with type bool
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type BoolFlag struct {
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Name string
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Aliases []string
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Usage string
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EnvVars []string
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Hidden bool
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Value bool
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Destination *bool
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}
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// String returns a readable representation of this value
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// (for usage defaults)
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func (f *BoolFlag) String() string {
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return FlagStringer(f)
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}
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// Names returns the names of the flag
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func (f *BoolFlag) Names() []string {
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return flagNames(f)
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}
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// Bool looks up the value of a local BoolFlag, returns
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// false if not found
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func (c *Context) Bool(name string) bool {
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return lookupBool(name, c.flagSet)
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}
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func lookupBool(name string, set *flag.FlagSet) bool {
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f := set.Lookup(name)
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if f != nil {
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parsed, err := strconv.ParseBool(f.Value.String())
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if err != nil {
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return false
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}
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return parsed
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}
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return false
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}
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// DurationFlag is a flag with type time.Duration (see https://golang.org/pkg/time/#ParseDuration)
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type DurationFlag struct {
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Name string
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Aliases []string
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Usage string
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EnvVars []string
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Hidden bool
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Value time.Duration
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Destination *time.Duration
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}
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// String returns a readable representation of this value
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// (for usage defaults)
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func (f *DurationFlag) String() string {
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return FlagStringer(f)
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}
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// Names returns the names of the flag
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func (f *DurationFlag) Names() []string {
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return flagNames(f)
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}
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// Duration looks up the value of a local DurationFlag, returns
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// 0 if not found
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func (c *Context) Duration(name string) time.Duration {
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return lookupDuration(name, c.flagSet)
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}
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func lookupDuration(name string, set *flag.FlagSet) time.Duration {
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f := set.Lookup(name)
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if f != nil {
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parsed, err := time.ParseDuration(f.Value.String())
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if err != nil {
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return 0
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}
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return parsed
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}
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return 0
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}
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// Float64Flag is a flag with type float64
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type Float64Flag struct {
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Name string
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Aliases []string
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Usage string
|
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EnvVars []string
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Hidden bool
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Value float64
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||||
Destination *float64
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||||
}
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||||
|
||||
// String returns a readable representation of this value
|
||||
// (for usage defaults)
|
||||
func (f *Float64Flag) String() string {
|
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return FlagStringer(f)
|
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}
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||||
|
||||
// Names returns the names of the flag
|
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func (f *Float64Flag) Names() []string {
|
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return flagNames(f)
|
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}
|
||||
|
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// Float64 looks up the value of a local Float64Flag, returns
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// 0 if not found
|
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func (c *Context) Float64(name string) float64 {
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return lookupFloat64(name, c.flagSet)
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}
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|
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func lookupFloat64(name string, set *flag.FlagSet) float64 {
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f := set.Lookup(name)
|
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if f != nil {
|
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parsed, err := strconv.ParseFloat(f.Value.String(), 64)
|
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if err != nil {
|
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return 0
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||||
}
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||||
return parsed
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||||
}
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||||
return 0
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||||
}
|
||||
|
||||
// GenericFlag is a flag with type Generic
|
||||
type GenericFlag struct {
|
||||
Name string
|
||||
Aliases []string
|
||||
Usage string
|
||||
EnvVars []string
|
||||
Hidden bool
|
||||
Value Generic
|
||||
}
|
||||
|
||||
// String returns a readable representation of this value
|
||||
// (for usage defaults)
|
||||
func (f *GenericFlag) String() string {
|
||||
return FlagStringer(f)
|
||||
}
|
||||
|
||||
// Names returns the names of the flag
|
||||
func (f *GenericFlag) Names() []string {
|
||||
return flagNames(f)
|
||||
}
|
||||
|
||||
// Generic looks up the value of a local GenericFlag, returns
|
||||
// nil if not found
|
||||
func (c *Context) Generic(name string) interface{} {
|
||||
return lookupGeneric(name, c.flagSet)
|
||||
}
|
||||
|
||||
func lookupGeneric(name string, set *flag.FlagSet) interface{} {
|
||||
f := set.Lookup(name)
|
||||
if f != nil {
|
||||
parsed, err := f.Value, error(nil)
|
||||
if err != nil {
|
||||
return nil
|
||||
}
|
||||
return parsed
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// Int64Flag is a flag with type int64
|
||||
type Int64Flag struct {
|
||||
Name string
|
||||
Aliases []string
|
||||
Usage string
|
||||
EnvVars []string
|
||||
Hidden bool
|
||||
Value int64
|
||||
Destination *int64
|
||||
}
|
||||
|
||||
// String returns a readable representation of this value
|
||||
// (for usage defaults)
|
||||
func (f *Int64Flag) String() string {
|
||||
return FlagStringer(f)
|
||||
}
|
||||
|
||||
// Names returns the names of the flag
|
||||
func (f *Int64Flag) Names() []string {
|
||||
return flagNames(f)
|
||||
}
|
||||
|
||||
// Int64 looks up the value of a local Int64Flag, returns
|
||||
// 0 if not found
|
||||
func (c *Context) Int64(name string) int64 {
|
||||
return lookupInt64(name, c.flagSet)
|
||||
}
|
||||
|
||||
func lookupInt64(name string, set *flag.FlagSet) int64 {
|
||||
f := set.Lookup(name)
|
||||
if f != nil {
|
||||
parsed, err := strconv.ParseInt(f.Value.String(), 0, 64)
|
||||
if err != nil {
|
||||
return 0
|
||||
}
|
||||
return parsed
|
||||
}
|
||||
return 0
|
||||
}
|
||||
|
||||
// IntFlag is a flag with type int
|
||||
type IntFlag struct {
|
||||
Name string
|
||||
Aliases []string
|
||||
Usage string
|
||||
EnvVars []string
|
||||
Hidden bool
|
||||
Value int
|
||||
Destination *int
|
||||
}
|
||||
|
||||
// String returns a readable representation of this value
|
||||
// (for usage defaults)
|
||||
func (f *IntFlag) String() string {
|
||||
return FlagStringer(f)
|
||||
}
|
||||
|
||||
// Names returns the names of the flag
|
||||
func (f *IntFlag) Names() []string {
|
||||
return flagNames(f)
|
||||
}
|
||||
|
||||
// Int looks up the value of a local IntFlag, returns
|
||||
// 0 if not found
|
||||
func (c *Context) Int(name string) int {
|
||||
return lookupInt(name, c.flagSet)
|
||||
}
|
||||
|
||||
func lookupInt(name string, set *flag.FlagSet) int {
|
||||
f := set.Lookup(name)
|
||||
if f != nil {
|
||||
parsed, err := strconv.ParseInt(f.Value.String(), 0, 64)
|
||||
if err != nil {
|
||||
return 0
|
||||
}
|
||||
return int(parsed)
|
||||
}
|
||||
return 0
|
||||
}
|
||||
|
||||
// IntSliceFlag is a flag with type *IntSlice
|
||||
type IntSliceFlag struct {
|
||||
Name string
|
||||
Aliases []string
|
||||
Usage string
|
||||
EnvVars []string
|
||||
Hidden bool
|
||||
Value *IntSlice
|
||||
}
|
||||
|
||||
// String returns a readable representation of this value
|
||||
// (for usage defaults)
|
||||
func (f *IntSliceFlag) String() string {
|
||||
return FlagStringer(f)
|
||||
}
|
||||
|
||||
// Names returns the names of the flag
|
||||
func (f *IntSliceFlag) Names() []string {
|
||||
return flagNames(f)
|
||||
}
|
||||
|
||||
// IntSlice looks up the value of a local IntSliceFlag, returns
|
||||
// nil if not found
|
||||
func (c *Context) IntSlice(name string) []int {
|
||||
return lookupIntSlice(name, c.flagSet)
|
||||
}
|
||||
|
||||
func lookupIntSlice(name string, set *flag.FlagSet) []int {
|
||||
f := set.Lookup(name)
|
||||
if f != nil {
|
||||
parsed, err := (f.Value.(*IntSlice)).Value(), error(nil)
|
||||
if err != nil {
|
||||
return nil
|
||||
}
|
||||
return parsed
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// Int64SliceFlag is a flag with type *Int64Slice
|
||||
type Int64SliceFlag struct {
|
||||
Name string
|
||||
Aliases []string
|
||||
Usage string
|
||||
EnvVars []string
|
||||
Hidden bool
|
||||
Value *Int64Slice
|
||||
}
|
||||
|
||||
// String returns a readable representation of this value
|
||||
// (for usage defaults)
|
||||
func (f *Int64SliceFlag) String() string {
|
||||
return FlagStringer(f)
|
||||
}
|
||||
|
||||
// Names returns the names of the flag
|
||||
func (f *Int64SliceFlag) Names() []string {
|
||||
return flagNames(f)
|
||||
}
|
||||
|
||||
// Int64Slice looks up the value of a local Int64SliceFlag, returns
|
||||
// nil if not found
|
||||
func (c *Context) Int64Slice(name string) []int64 {
|
||||
return lookupInt64Slice(name, c.flagSet)
|
||||
}
|
||||
|
||||
func lookupInt64Slice(name string, set *flag.FlagSet) []int64 {
|
||||
f := set.Lookup(name)
|
||||
if f != nil {
|
||||
parsed, err := (f.Value.(*Int64Slice)).Value(), error(nil)
|
||||
if err != nil {
|
||||
return nil
|
||||
}
|
||||
return parsed
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// Float64SliceFlag is a flag with type *Float64Slice
|
||||
type Float64SliceFlag struct {
|
||||
Name string
|
||||
Aliases []string
|
||||
Usage string
|
||||
EnvVars []string
|
||||
Hidden bool
|
||||
Value *Float64Slice
|
||||
}
|
||||
|
||||
// String returns a readable representation of this value
|
||||
// (for usage defaults)
|
||||
func (f *Float64SliceFlag) String() string {
|
||||
return FlagStringer(f)
|
||||
}
|
||||
|
||||
// Names returns the names of the flag
|
||||
func (f *Float64SliceFlag) Names() []string {
|
||||
return flagNames(f)
|
||||
}
|
||||
|
||||
// Float64Slice looks up the value of a local Float64SliceFlag, returns
|
||||
// nil if not found
|
||||
func (c *Context) Float64Slice(name string) []float64 {
|
||||
return lookupFloat64Slice(name, c.flagSet)
|
||||
}
|
||||
|
||||
func lookupFloat64Slice(name string, set *flag.FlagSet) []float64 {
|
||||
f := set.Lookup(name)
|
||||
if f != nil {
|
||||
parsed, err := (f.Value.(*Float64Slice)).Value(), error(nil)
|
||||
if err != nil {
|
||||
return nil
|
||||
}
|
||||
return parsed
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// StringFlag is a flag with type string
|
||||
type StringFlag struct {
|
||||
Name string
|
||||
Aliases []string
|
||||
Usage string
|
||||
EnvVars []string
|
||||
Hidden bool
|
||||
Value string
|
||||
Destination *string
|
||||
}
|
||||
|
||||
// String returns a readable representation of this value
|
||||
// (for usage defaults)
|
||||
func (f *StringFlag) String() string {
|
||||
return FlagStringer(f)
|
||||
}
|
||||
|
||||
// Names returns the names of the flag
|
||||
func (f *StringFlag) Names() []string {
|
||||
return flagNames(f)
|
||||
}
|
||||
|
||||
// String looks up the value of a local StringFlag, returns
|
||||
// "" if not found
|
||||
func (c *Context) String(name string) string {
|
||||
return lookupString(name, c.flagSet)
|
||||
}
|
||||
|
||||
func lookupString(name string, set *flag.FlagSet) string {
|
||||
f := set.Lookup(name)
|
||||
if f != nil {
|
||||
parsed, err := f.Value.String(), error(nil)
|
||||
if err != nil {
|
||||
return ""
|
||||
}
|
||||
return parsed
|
||||
}
|
||||
return ""
|
||||
}
|
||||
|
||||
// StringSliceFlag is a flag with type *StringSlice
|
||||
type StringSliceFlag struct {
|
||||
Name string
|
||||
Aliases []string
|
||||
Usage string
|
||||
EnvVars []string
|
||||
Hidden bool
|
||||
Value *StringSlice
|
||||
}
|
||||
|
||||
// String returns a readable representation of this value
|
||||
// (for usage defaults)
|
||||
func (f *StringSliceFlag) String() string {
|
||||
return FlagStringer(f)
|
||||
}
|
||||
|
||||
// Names returns the names of the flag
|
||||
func (f *StringSliceFlag) Names() []string {
|
||||
return flagNames(f)
|
||||
}
|
||||
|
||||
// StringSlice looks up the value of a local StringSliceFlag, returns
|
||||
// nil if not found
|
||||
func (c *Context) StringSlice(name string) []string {
|
||||
return lookupStringSlice(name, c.flagSet)
|
||||
}
|
||||
|
||||
func lookupStringSlice(name string, set *flag.FlagSet) []string {
|
||||
f := set.Lookup(name)
|
||||
if f != nil {
|
||||
parsed, err := (f.Value.(*StringSlice)).Value(), error(nil)
|
||||
if err != nil {
|
||||
return nil
|
||||
}
|
||||
return parsed
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// Uint64Flag is a flag with type uint64
|
||||
type Uint64Flag struct {
|
||||
Name string
|
||||
Aliases []string
|
||||
Usage string
|
||||
EnvVars []string
|
||||
Hidden bool
|
||||
Value uint64
|
||||
Destination *uint64
|
||||
}
|
||||
|
||||
// String returns a readable representation of this value
|
||||
// (for usage defaults)
|
||||
func (f *Uint64Flag) String() string {
|
||||
return FlagStringer(f)
|
||||
}
|
||||
|
||||
// Names returns the names of the flag
|
||||
func (f *Uint64Flag) Names() []string {
|
||||
return flagNames(f)
|
||||
}
|
||||
|
||||
// Uint64 looks up the value of a local Uint64Flag, returns
|
||||
// 0 if not found
|
||||
func (c *Context) Uint64(name string) uint64 {
|
||||
return lookupUint64(name, c.flagSet)
|
||||
}
|
||||
|
||||
func lookupUint64(name string, set *flag.FlagSet) uint64 {
|
||||
f := set.Lookup(name)
|
||||
if f != nil {
|
||||
parsed, err := strconv.ParseUint(f.Value.String(), 0, 64)
|
||||
if err != nil {
|
||||
return 0
|
||||
}
|
||||
return parsed
|
||||
}
|
||||
return 0
|
||||
}
|
||||
|
||||
// UintFlag is a flag with type uint
|
||||
type UintFlag struct {
|
||||
Name string
|
||||
Aliases []string
|
||||
Usage string
|
||||
EnvVars []string
|
||||
Hidden bool
|
||||
Value uint
|
||||
Destination *uint
|
||||
}
|
||||
|
||||
// String returns a readable representation of this value
|
||||
// (for usage defaults)
|
||||
func (f *UintFlag) String() string {
|
||||
return FlagStringer(f)
|
||||
}
|
||||
|
||||
// Names returns the names of the flag
|
||||
func (f *UintFlag) Names() []string {
|
||||
return flagNames(f)
|
||||
}
|
||||
|
||||
// Uint looks up the value of a local UintFlag, returns
|
||||
// 0 if not found
|
||||
func (c *Context) Uint(name string) uint {
|
||||
return lookupUint(name, c.flagSet)
|
||||
}
|
||||
|
||||
func lookupUint(name string, set *flag.FlagSet) uint {
|
||||
f := set.Lookup(name)
|
||||
if f != nil {
|
||||
parsed, err := strconv.ParseUint(f.Value.String(), 0, 64)
|
||||
if err != nil {
|
||||
return 0
|
||||
}
|
||||
return uint(parsed)
|
||||
}
|
||||
return 0
|
||||
}
|
||||
@ -0,0 +1,231 @@
|
||||
#!/usr/bin/env python
|
||||
"""
|
||||
The flag types that ship with the cli library have many things in common, and
|
||||
so we can take advantage of the `go generate` command to create much of the
|
||||
source code from a list of definitions. These definitions attempt to cover
|
||||
the parts that vary between flag types, and should evolve as needed.
|
||||
|
||||
An example of the minimum definition needed is:
|
||||
|
||||
{
|
||||
"name": "SomeType",
|
||||
"type": "sometype",
|
||||
"context_default": "nil"
|
||||
}
|
||||
|
||||
In this example, the code generated for the `cli` package will include a type
|
||||
named `SomeTypeFlag` that is expected to wrap a value of type `sometype`.
|
||||
Fetching values by name via `*cli.Context` will default to a value of `nil`.
|
||||
|
||||
A more complete, albeit somewhat redundant, example showing all available
|
||||
definition keys is:
|
||||
|
||||
{
|
||||
"name": "VeryMuchType",
|
||||
"type": "*VeryMuchType",
|
||||
"value": true,
|
||||
"dest": false,
|
||||
"doctail": " which really only wraps a []float64, oh well!",
|
||||
"context_type": "[]float64",
|
||||
"context_default": "nil",
|
||||
"parser": "parseVeryMuchType(f.Value.String())",
|
||||
"parser_cast": "[]float64(parsed)"
|
||||
}
|
||||
|
||||
The meaning of each field is as follows:
|
||||
|
||||
name (string) - The type "name", which will be suffixed with
|
||||
`Flag` when generating the type definition
|
||||
for `cli` and the wrapper type for `altsrc`
|
||||
type (string) - The type that the generated `Flag` type for `cli`
|
||||
is expected to "contain" as its `.Value` member
|
||||
value (bool) - Should the generated `cli` type have a `Value`
|
||||
member?
|
||||
dest (bool) - Should the generated `cli` type support a
|
||||
destination pointer?
|
||||
doctail (string) - Additional docs for the `cli` flag type comment
|
||||
context_type (string) - The literal type used in the `*cli.Context`
|
||||
reader func signature
|
||||
context_default (string) - The literal value used as the default by the
|
||||
`*cli.Context` reader funcs when no value is
|
||||
present
|
||||
parser (string) - Literal code used to parse the flag `f`,
|
||||
expected to have a return signature of
|
||||
(value, error)
|
||||
parser_cast (string) - Literal code used to cast the `parsed` value
|
||||
returned from the `parser` code
|
||||
"""
|
||||
|
||||
from __future__ import print_function, unicode_literals
|
||||
|
||||
import argparse
|
||||
import json
|
||||
import os
|
||||
import subprocess
|
||||
import sys
|
||||
import tempfile
|
||||
import textwrap
|
||||
|
||||
|
||||
class _FancyFormatter(argparse.ArgumentDefaultsHelpFormatter,
|
||||
argparse.RawDescriptionHelpFormatter):
|
||||
pass
|
||||
|
||||
|
||||
def main(sysargs=sys.argv[:]):
|
||||
parser = argparse.ArgumentParser(
|
||||
description='Generate flag type code!',
|
||||
formatter_class=_FancyFormatter)
|
||||
parser.add_argument(
|
||||
'package',
|
||||
type=str, default='cli', choices=_WRITEFUNCS.keys(),
|
||||
help='Package for which flag types will be generated'
|
||||
)
|
||||
parser.add_argument(
|
||||
'-i', '--in-json',
|
||||
type=argparse.FileType('r'),
|
||||
default=sys.stdin,
|
||||
help='Input JSON file which defines each type to be generated'
|
||||
)
|
||||
parser.add_argument(
|
||||
'-o', '--out-go',
|
||||
type=argparse.FileType('w'),
|
||||
default=sys.stdout,
|
||||
help='Output file/stream to which generated source will be written'
|
||||
)
|
||||
parser.epilog = __doc__
|
||||
|
||||
args = parser.parse_args(sysargs[1:])
|
||||
_generate_flag_types(_WRITEFUNCS[args.package], args.out_go, args.in_json)
|
||||
return 0
|
||||
|
||||
|
||||
def _generate_flag_types(writefunc, output_go, input_json):
|
||||
types = json.load(input_json)
|
||||
|
||||
tmp = tempfile.NamedTemporaryFile(suffix='.go', delete=False)
|
||||
writefunc(tmp, types)
|
||||
tmp.close()
|
||||
|
||||
new_content = subprocess.check_output(
|
||||
['goimports', tmp.name]
|
||||
).decode('utf-8')
|
||||
|
||||
print(new_content, file=output_go, end='')
|
||||
output_go.flush()
|
||||
os.remove(tmp.name)
|
||||
|
||||
|
||||
def _set_typedef_defaults(typedef):
|
||||
typedef.setdefault('doctail', '')
|
||||
typedef.setdefault('context_type', typedef['type'])
|
||||
typedef.setdefault('dest', True)
|
||||
typedef.setdefault('parser', 'f.Value, error(nil)')
|
||||
typedef.setdefault('parser_cast', 'parsed')
|
||||
|
||||
|
||||
def _write_cli_flag_types(outfile, types):
|
||||
_fwrite(outfile, """\
|
||||
package cli
|
||||
|
||||
// WARNING: This file is generated!
|
||||
|
||||
""")
|
||||
|
||||
for typedef in types:
|
||||
_set_typedef_defaults(typedef)
|
||||
|
||||
_fwrite(outfile, """\
|
||||
// {name}Flag is a flag with type {type}{doctail}
|
||||
type {name}Flag struct {{
|
||||
Name string
|
||||
Aliases []string
|
||||
Usage string
|
||||
EnvVars []string
|
||||
Hidden bool
|
||||
Value {type}
|
||||
""".format(**typedef))
|
||||
|
||||
if typedef['dest']:
|
||||
_fwrite(outfile, """\
|
||||
Destination *{type}
|
||||
""".format(**typedef))
|
||||
|
||||
_fwrite(outfile, "\n}\n\n")
|
||||
|
||||
_fwrite(outfile, """\
|
||||
// String returns a readable representation of this value
|
||||
// (for usage defaults)
|
||||
func (f *{name}Flag) String() string {{
|
||||
return FlagStringer(f)
|
||||
}}
|
||||
|
||||
// Names returns the names of the flag
|
||||
func (f *{name}Flag) Names() []string {{
|
||||
return flagNames(f)
|
||||
}}
|
||||
|
||||
// {name} looks up the value of a local {name}Flag, returns
|
||||
// {context_default} if not found
|
||||
func (c *Context) {name}(name string) {context_type} {{
|
||||
return lookup{name}(name, c.flagSet)
|
||||
}}
|
||||
|
||||
func lookup{name}(name string, set *flag.FlagSet) {context_type} {{
|
||||
f := set.Lookup(name)
|
||||
if f != nil {{
|
||||
parsed, err := {parser}
|
||||
if err != nil {{
|
||||
return {context_default}
|
||||
}}
|
||||
return {parser_cast}
|
||||
}}
|
||||
return {context_default}
|
||||
}}
|
||||
""".format(**typedef))
|
||||
|
||||
|
||||
def _write_altsrc_flag_types(outfile, types):
|
||||
_fwrite(outfile, """\
|
||||
package altsrc
|
||||
|
||||
// WARNING: This file is generated!
|
||||
|
||||
""")
|
||||
|
||||
for typedef in types:
|
||||
_set_typedef_defaults(typedef)
|
||||
|
||||
_fwrite(outfile, """\
|
||||
// {name}Flag is the flag type that wraps cli.{name}Flag to allow
|
||||
// for other values to be specified
|
||||
type {name}Flag struct {{
|
||||
*cli.{name}Flag
|
||||
set *flag.FlagSet
|
||||
}}
|
||||
|
||||
// New{name}Flag creates a new {name}Flag
|
||||
func New{name}Flag(fl *cli.{name}Flag) *{name}Flag {{
|
||||
return &{name}Flag{{{name}Flag: fl, set: nil}}
|
||||
}}
|
||||
|
||||
// Apply saves the flagSet for later usage calls, then calls the
|
||||
// wrapped {name}Flag.Apply
|
||||
func (f *{name}Flag) Apply(set *flag.FlagSet) {{
|
||||
f.set = set
|
||||
f.{name}Flag.Apply(set)
|
||||
}}
|
||||
""".format(**typedef))
|
||||
|
||||
|
||||
def _fwrite(outfile, text):
|
||||
print(textwrap.dedent(text), end='', file=outfile)
|
||||
|
||||
|
||||
_WRITEFUNCS = {
|
||||
'cli': _write_cli_flag_types,
|
||||
'altsrc': _write_altsrc_flag_types
|
||||
}
|
||||
|
||||
if __name__ == '__main__':
|
||||
sys.exit(main())
|
||||
Loading…
Reference in new issue