Files
cloudpods/vendor/yunion.io/x/pkg/util/stringutils/stringutils.go
2019-05-17 13:54:29 +08:00

90 lines
2.2 KiB
Go

// Copyright 2019 Yunion
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package stringutils
import (
"fmt"
"strings"
"time"
"github.com/golang-plus/uuid"
"yunion.io/x/jsonutils"
"yunion.io/x/pkg/util/timeutils"
)
func ParseNamePattern(name string) (string, string, int) {
const RepChar = '#'
var match string
var pattern string
var patternLen int
start := strings.IndexByte(name, RepChar)
if start >= 0 {
end := start + 1
for end < len(name) && name[end] == RepChar {
end += 1
}
match = fmt.Sprintf("%s%%%s", name[:start], name[end:])
pattern = fmt.Sprintf("%s%%0%dd%s", name[:start], end-start, name[end:])
patternLen = end - start
} else {
match = fmt.Sprintf("%s-%%", name)
pattern = fmt.Sprintf("%s-%%d", name)
}
return match, pattern, patternLen
}
func UUID4() string {
uid, _ := uuid.NewV4()
return uid.String()
}
func Interface2String(val interface{}) string {
if val == nil {
return ""
}
switch vval := val.(type) {
case string:
return vval
case int, int8, int16, int32, int64, uint, uint8, uint16, uint32, uint64:
return fmt.Sprintf("%d", vval)
case float32, float64:
return fmt.Sprintf("%f", vval)
case bool:
return fmt.Sprintf("%v", vval)
case time.Time:
return timeutils.FullIsoTime(vval)
case fmt.Stringer:
return vval.String()
default:
json := jsonutils.Marshal(val)
return json.String()
}
}
func SplitKeyValue(line string) (string, string) {
return SplitKeyValueBySep(line, ":")
}
func SplitKeyValueBySep(line string, sep string) (string, string) {
pos := strings.Index(line, sep)
if pos > 0 {
key := strings.TrimSpace(line[:pos])
val := strings.TrimSpace(line[pos+1:])
return key, val
}
return "", ""
}