a6dd1f27d9
This updates urfave/cli and its dependencies to v1.22.1: - diff for urfave/cli: https://github.com/urfave/cli/compare/v1.22.0...v1.22.1 - diff for go-md2man: https://github.com/cpuguy83/go-md2man/compare/v1.0.10...v2.0.0 - diff for blackfriday: https://github.com/russross/blackfriday/compare/v1.5.2...v2.0.1 Also adds github.com/shurcooL/sanitized_anchor_name as a new dependency, which is used by russross/blackfriday, but will be removed again in a future update (dependency is already removed on the v2 branch through russross/blackfriday@919b1f5b9b Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
106 lines
2.3 KiB
Go
106 lines
2.3 KiB
Go
package cli
|
|
|
|
import (
|
|
"flag"
|
|
"fmt"
|
|
"strconv"
|
|
)
|
|
|
|
// IntFlag is a flag with type int
|
|
type IntFlag struct {
|
|
Name string
|
|
Usage string
|
|
EnvVar string
|
|
FilePath string
|
|
Required bool
|
|
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)
|
|
}
|
|
|
|
// GetName returns the name of the flag
|
|
func (f IntFlag) GetName() string {
|
|
return f.Name
|
|
}
|
|
|
|
// IsRequired returns whether or not the flag is required
|
|
func (f IntFlag) IsRequired() bool {
|
|
return f.Required
|
|
}
|
|
|
|
// TakesValue returns true of the flag takes a value, otherwise false
|
|
func (f IntFlag) TakesValue() bool {
|
|
return true
|
|
}
|
|
|
|
// GetUsage returns the usage string for the flag
|
|
func (f IntFlag) GetUsage() string {
|
|
return f.Usage
|
|
}
|
|
|
|
// GetValue returns the flags value as string representation and an empty
|
|
// string if the flag takes no value at all.
|
|
func (f IntFlag) GetValue() string {
|
|
return fmt.Sprintf("%d", f.Value)
|
|
}
|
|
|
|
// Apply populates the flag given the flag set and environment
|
|
// Ignores errors
|
|
func (f IntFlag) Apply(set *flag.FlagSet) {
|
|
_ = f.ApplyWithError(set)
|
|
}
|
|
|
|
// ApplyWithError populates the flag given the flag set and environment
|
|
func (f IntFlag) ApplyWithError(set *flag.FlagSet) error {
|
|
if envVal, ok := flagFromFileEnv(f.FilePath, f.EnvVar); ok {
|
|
envValInt, err := strconv.ParseInt(envVal, 0, 64)
|
|
if err != nil {
|
|
return fmt.Errorf("could not parse %s as int value for flag %s: %s", envVal, f.Name, err)
|
|
}
|
|
f.Value = int(envValInt)
|
|
}
|
|
|
|
eachName(f.Name, func(name string) {
|
|
if f.Destination != nil {
|
|
set.IntVar(f.Destination, name, f.Value, f.Usage)
|
|
return
|
|
}
|
|
set.Int(name, f.Value, f.Usage)
|
|
})
|
|
|
|
return nil
|
|
}
|
|
|
|
// 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)
|
|
}
|
|
|
|
// GlobalInt looks up the value of a global IntFlag, returns
|
|
// 0 if not found
|
|
func (c *Context) GlobalInt(name string) int {
|
|
if fs := lookupGlobalFlagSet(name, c); fs != nil {
|
|
return lookupInt(name, fs)
|
|
}
|
|
return 0
|
|
}
|
|
|
|
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
|
|
}
|