|
|
package cli
|
|
|
|
|
|
import (
|
|
|
"flag"
|
|
|
"fmt"
|
|
|
"strconv"
|
|
|
)
|
|
|
|
|
|
// GetValue returns the flags value as string representation and an empty
|
|
|
// string if the flag takes no value at all.
|
|
|
func (f *Float64Flag) GetValue() string {
|
|
|
return fmt.Sprintf("%v", f.Value)
|
|
|
}
|
|
|
|
|
|
// GetDefaultText returns the default text for this flag
|
|
|
func (f *Float64Flag) GetDefaultText() string {
|
|
|
if f.DefaultText != "" {
|
|
|
return f.DefaultText
|
|
|
}
|
|
|
return f.GetValue()
|
|
|
}
|
|
|
|
|
|
// Apply populates the flag given the flag set and environment
|
|
|
func (f *Float64Flag) Apply(set *flag.FlagSet) error {
|
|
|
if val, source, found := flagFromEnvOrFile(f.EnvVars, f.FilePath); found {
|
|
|
if val != "" {
|
|
|
valFloat, err := strconv.ParseFloat(val, 64)
|
|
|
if err != nil {
|
|
|
return fmt.Errorf("could not parse %q as float64 value from %s for flag %s: %s", val, source, f.Name, err)
|
|
|
}
|
|
|
|
|
|
f.Value = valFloat
|
|
|
f.HasBeenSet = true
|
|
|
}
|
|
|
}
|
|
|
|
|
|
for _, name := range f.Names() {
|
|
|
if f.Destination != nil {
|
|
|
set.Float64Var(f.Destination, name, f.Value, f.Usage)
|
|
|
continue
|
|
|
}
|
|
|
set.Float64(name, f.Value, f.Usage)
|
|
|
}
|
|
|
|
|
|
return nil
|
|
|
}
|
|
|
|
|
|
// Get returns the flag’s value in the given Context.
|
|
|
func (f *Float64Flag) Get(ctx *Context) float64 {
|
|
|
return ctx.Float64(f.Name)
|
|
|
}
|
|
|
|
|
|
// RunAction executes flag action if set
|
|
|
func (f *Float64Flag) RunAction(c *Context) error {
|
|
|
if f.Action != nil {
|
|
|
return f.Action(c, c.Float64(f.Name))
|
|
|
}
|
|
|
|
|
|
return nil
|
|
|
}
|
|
|
|
|
|
// Float64 looks up the value of a local Float64Flag, returns
|
|
|
// 0 if not found
|
|
|
func (cCtx *Context) Float64(name string) float64 {
|
|
|
if fs := cCtx.lookupFlagSet(name); fs != nil {
|
|
|
return lookupFloat64(name, fs)
|
|
|
}
|
|
|
return 0
|
|
|
}
|
|
|
|
|
|
func lookupFloat64(name string, set *flag.FlagSet) float64 {
|
|
|
f := set.Lookup(name)
|
|
|
if f != nil {
|
|
|
parsed, err := strconv.ParseFloat(f.Value.String(), 64)
|
|
|
if err != nil {
|
|
|
return 0
|
|
|
}
|
|
|
return parsed
|
|
|
}
|
|
|
return 0
|
|
|
}
|
