diff options
Diffstat (limited to 'vendor/github.com/urfave/cli/v2/flag_int64.go')
-rw-r--r-- | vendor/github.com/urfave/cli/v2/flag_int64.go | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/vendor/github.com/urfave/cli/v2/flag_int64.go b/vendor/github.com/urfave/cli/v2/flag_int64.go new file mode 100644 index 000000000..e09991269 --- /dev/null +++ b/vendor/github.com/urfave/cli/v2/flag_int64.go @@ -0,0 +1,105 @@ +package cli + +import ( + "flag" + "fmt" + "strconv" +) + +// Int64Flag is a flag with type int64 +type Int64Flag struct { + Name string + Aliases []string + Usage string + EnvVars []string + FilePath string + Required bool + Hidden bool + Value int64 + DefaultText string + Destination *int64 + HasBeenSet bool +} + +// IsSet returns whether or not the flag has been set through env or file +func (f *Int64Flag) IsSet() bool { + return f.HasBeenSet +} + +// 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.Name, f.Aliases) +} + +// IsRequired returns whether or not the flag is required +func (f *Int64Flag) IsRequired() bool { + return f.Required +} + +// TakesValue returns true of the flag takes a value, otherwise false +func (f *Int64Flag) TakesValue() bool { + return true +} + +// GetUsage returns the usage string for the flag +func (f *Int64Flag) 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 *Int64Flag) GetValue() string { + return fmt.Sprintf("%d", f.Value) +} + +// Apply populates the flag given the flag set and environment +func (f *Int64Flag) Apply(set *flag.FlagSet) error { + if val, ok := flagFromEnvOrFile(f.EnvVars, f.FilePath); ok { + if val != "" { + valInt, err := strconv.ParseInt(val, 0, 64) + + if err != nil { + return fmt.Errorf("could not parse %q as int value for flag %s: %s", val, f.Name, err) + } + + f.Value = valInt + f.HasBeenSet = true + } + } + + for _, name := range f.Names() { + if f.Destination != nil { + set.Int64Var(f.Destination, name, f.Value, f.Usage) + continue + } + set.Int64(name, f.Value, f.Usage) + } + return nil +} + +// Int64 looks up the value of a local Int64Flag, returns +// 0 if not found +func (c *Context) Int64(name string) int64 { + if fs := lookupFlagSet(name, c); fs != nil { + return lookupInt64(name, fs) + } + return 0 +} + +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 +} |