gf/util/gconv/gconv_slice_str.go

122 lines
2.6 KiB
Go

// Copyright 2019 gf Author(https://github.com/gogf/gf). All Rights Reserved.
//
// This Source Code Form is subject to the terms of the MIT License.
// If a copy of the MIT was not distributed with this file,
// You can obtain one at https://github.com/gogf/gf.
package gconv
import "reflect"
// SliceStr is alias of Strings.
func SliceStr(i interface{}) []string {
return Strings(i)
}
// Strings converts <i> to []string.
func Strings(i interface{}) []string {
if i == nil {
return nil
}
var array []string
switch value := i.(type) {
case []int:
array = make([]string, len(value))
for k, v := range value {
array[k] = String(v)
}
case []int8:
array = make([]string, len(value))
for k, v := range value {
array[k] = String(v)
}
case []int16:
array = make([]string, len(value))
for k, v := range value {
array[k] = String(v)
}
case []int32:
array = make([]string, len(value))
for k, v := range value {
array[k] = String(v)
}
case []int64:
array = make([]string, len(value))
for k, v := range value {
array[k] = String(v)
}
case []uint:
array = make([]string, len(value))
for k, v := range value {
array[k] = String(v)
}
case []uint8:
array = make([]string, len(value))
for k, v := range value {
array[k] = String(v)
}
case []uint16:
array = make([]string, len(value))
for k, v := range value {
array[k] = String(v)
}
case []uint32:
array = make([]string, len(value))
for k, v := range value {
array[k] = String(v)
}
case []uint64:
array = make([]string, len(value))
for k, v := range value {
array[k] = String(v)
}
case []bool:
array = make([]string, len(value))
for k, v := range value {
array[k] = String(v)
}
case []float32:
array = make([]string, len(value))
for k, v := range value {
array[k] = String(v)
}
case []float64:
array = make([]string, len(value))
for k, v := range value {
array[k] = String(v)
}
case []interface{}:
array = make([]string, len(value))
for k, v := range value {
array[k] = String(v)
}
case []string:
array = value
case [][]byte:
array = make([]string, len(value))
for k, v := range value {
array[k] = String(v)
}
default:
if v, ok := i.(apiStrings); ok {
return v.Strings()
}
if v, ok := i.(apiInterfaces); ok {
return Strings(v.Interfaces())
}
// Use reflect feature at last.
rv := reflect.ValueOf(i)
switch rv.Kind() {
case reflect.Slice, reflect.Array:
length := rv.Len()
array = make([]string, length)
for n := 0; n < length; n++ {
array[n] = String(rv.Index(n).Interface())
}
default:
return []string{String(i)}
}
}
return array
}