mirror of
https://github.com/strongdm/comply
synced 2024-11-24 16:44:53 +00:00
137 lines
3.4 KiB
Go
137 lines
3.4 KiB
Go
package goptions
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
"reflect"
|
|
"strconv"
|
|
"strings"
|
|
"time"
|
|
)
|
|
|
|
type optionFunc func(f *Flag, option, value string) error
|
|
type optionMap map[string]optionFunc
|
|
|
|
var (
|
|
typeOptionMap = map[reflect.Type]optionMap{
|
|
// Global options
|
|
nil: optionMap{
|
|
"description": description,
|
|
"obligatory": obligatory,
|
|
"mutexgroup": mutexgroup,
|
|
},
|
|
reflect.TypeOf(new(time.Time)).Elem(): optionMap{
|
|
"format": time_format,
|
|
},
|
|
reflect.TypeOf(new(*os.File)).Elem(): optionMap{
|
|
"create": initOptionMeta(file_create, "file_mode", 0),
|
|
"append": initOptionMeta(file_append, "file_mode", 0),
|
|
"rdonly": initOptionMeta(file_rdonly, "file_mode", 0),
|
|
"wronly": initOptionMeta(file_wronly, "file_mode", 0),
|
|
"rdwr": initOptionMeta(file_rdwr, "file_mode", 0),
|
|
"excl": initOptionMeta(file_excl, "file_mode", 0),
|
|
"sync": initOptionMeta(file_sync, "file_mode", 0),
|
|
"trunc": initOptionMeta(file_trunc, "file_mode", 0),
|
|
"perm": file_perm,
|
|
},
|
|
}
|
|
)
|
|
|
|
// Wraps another optionFunc and inits optionMeta[field] with value if it does
|
|
// not have one already.
|
|
func initOptionMeta(fn optionFunc, field string, init_value interface{}) optionFunc {
|
|
return func(f *Flag, option, value string) error {
|
|
if _, ok := f.optionMeta[field]; !ok {
|
|
f.optionMeta[field] = init_value
|
|
}
|
|
return fn(f, option, value)
|
|
}
|
|
}
|
|
|
|
func description(f *Flag, option, value string) error {
|
|
f.Description = strings.Replace(value, `\`, ``, -1)
|
|
return nil
|
|
}
|
|
|
|
func obligatory(f *Flag, option, value string) error {
|
|
f.Obligatory = true
|
|
return nil
|
|
}
|
|
|
|
func mutexgroup(f *Flag, option, value string) error {
|
|
if len(value) <= 0 {
|
|
return fmt.Errorf("Mutexgroup option needs a value")
|
|
}
|
|
for _, group := range strings.Split(value, ",") {
|
|
f.MutexGroups = append(f.MutexGroups, group)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func file_create(f *Flag, option, value string) error {
|
|
f.optionMeta["file_mode"] = f.optionMeta["file_mode"].(int) | os.O_CREATE
|
|
return nil
|
|
}
|
|
|
|
func file_append(f *Flag, option, value string) error {
|
|
f.optionMeta["file_mode"] = f.optionMeta["file_mode"].(int) | os.O_APPEND
|
|
return nil
|
|
}
|
|
|
|
func file_rdonly(f *Flag, option, value string) error {
|
|
f.optionMeta["file_mode"] = f.optionMeta["file_mode"].(int) | os.O_RDONLY
|
|
return nil
|
|
}
|
|
|
|
func file_wronly(f *Flag, option, value string) error {
|
|
f.optionMeta["file_mode"] = f.optionMeta["file_mode"].(int) | os.O_WRONLY
|
|
return nil
|
|
}
|
|
|
|
func file_rdwr(f *Flag, option, value string) error {
|
|
f.optionMeta["file_mode"] = f.optionMeta["file_mode"].(int) | os.O_RDWR
|
|
return nil
|
|
}
|
|
|
|
func file_excl(f *Flag, option, value string) error {
|
|
f.optionMeta["file_mode"] = f.optionMeta["file_mode"].(int) | os.O_EXCL
|
|
return nil
|
|
}
|
|
|
|
func file_sync(f *Flag, option, value string) error {
|
|
f.optionMeta["file_mode"] = f.optionMeta["file_mode"].(int) | os.O_SYNC
|
|
return nil
|
|
}
|
|
|
|
func file_trunc(f *Flag, option, value string) error {
|
|
f.optionMeta["file_mode"] = f.optionMeta["file_mode"].(int) | os.O_TRUNC
|
|
return nil
|
|
}
|
|
|
|
func file_perm(f *Flag, option, value string) error {
|
|
perm, err := strconv.ParseInt(value, 8, 32)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
f.optionMeta["file_perm"] = uint32(perm)
|
|
return nil
|
|
}
|
|
|
|
func time_format(f *Flag, option, value string) error {
|
|
f.optionMeta["format"] = value
|
|
return nil
|
|
}
|
|
|
|
func optionMapForType(t reflect.Type) optionMap {
|
|
g := typeOptionMap[nil]
|
|
m, _ := typeOptionMap[t]
|
|
r := make(optionMap)
|
|
for k, v := range g {
|
|
r[k] = v
|
|
}
|
|
for k, v := range m {
|
|
r[k] = v
|
|
}
|
|
return r
|
|
}
|