gf/util/gconv/gconv_slice_str.go

146 lines
3.2 KiB
Go

// Copyright GoFrame Author(https://goframe.org). 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(any interface{}) []string {
return Strings(any)
}
// Strings converts `any` to []string.
func Strings(any interface{}) []string {
if any == nil {
return nil
}
var array []string
switch value := any.(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 := any.(iStrings); ok {
return v.Strings()
}
if v, ok := any.(iInterfaces); ok {
return Strings(v.Interfaces())
}
// JSON format string value converting.
var result []string
if checkJsonAndUnmarshalUseNumber(any, &result) {
return result
}
// Not a common type, it then uses reflection for conversion.
var reflectValue reflect.Value
if v, ok := value.(reflect.Value); ok {
reflectValue = v
} else {
reflectValue = reflect.ValueOf(value)
}
reflectKind := reflectValue.Kind()
for reflectKind == reflect.Ptr {
reflectValue = reflectValue.Elem()
reflectKind = reflectValue.Kind()
}
switch reflectKind {
case reflect.Slice, reflect.Array:
var (
length = reflectValue.Len()
slice = make([]string, length)
)
for i := 0; i < length; i++ {
slice[i] = String(reflectValue.Index(i).Interface())
}
return slice
default:
if reflectValue.IsZero() {
return []string{}
}
return []string{String(any)}
}
}
return array
}