/
0stdconfigbuilders.go
73 lines (60 loc) · 1.51 KB
/
0stdconfigbuilders.go
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package mutators
import (
"strconv"
"github.com/batmac/ccat/pkg/stringutils"
)
func stdConfigHumanSizeAsInt64(args []string) (any, error) {
if len(args) != 1 {
return nil, ErrWrongNumberOfArgs(1, 1, len(args))
}
n, err := stringutils.FromHumanSize[int64](args[0])
return n, err
}
func stdConfigHumanSizeAsInt64WithDefault(defaultValue int64) configBuilder {
return func(args []string) (any, error) {
if len(args) == 0 {
return defaultValue, nil
}
return stdConfigHumanSizeAsInt64(args)
}
}
func stdConfigUint64WithDefault(defaultValue uint64) configBuilder {
return func(args []string) (any, error) {
if len(args) == 0 {
return defaultValue, nil
}
if len(args) != 1 {
return nil, ErrWrongNumberOfArgs(1, 1, len(args))
}
if args[0][0] == '-' {
n, err := strconv.ParseUint(args[0][1:], 10, 64)
if err != nil {
return nil, err
}
return ^uint64(0) - n + 1, nil
}
return strconv.ParseUint(args[0], 10, 64)
}
}
func stdConfigStringWithDefault(defaultValue string) configBuilder {
return func(args []string) (any, error) {
if len(args) == 0 {
return defaultValue, nil
}
return stdConfigString(args)
}
}
func stdConfigString(args []string) (any, error) {
if len(args) != 1 {
return nil, ErrWrongNumberOfArgs(1, 1, len(args))
}
return args[0], nil
}
func stdConfigStrings(min, max int) configBuilder {
return func(args []string) (any, error) {
if len(args) < min || len(args) > max {
return nil, ErrWrongNumberOfArgs(min, max, len(args))
}
return args, nil
}
}