gf/util/gvalid/internal/builtin/builtin_array.go
2022-09-26 22:11:13 +08:00

45 lines
927 B
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 builtin
import (
"errors"
"github.com/gogf/gf/v2/internal/json"
)
// RuleArray implements `array` rule:
// Value should be type of array.
//
// Format: array
type RuleArray struct{}
func init() {
Register(RuleArray{})
}
func (r RuleArray) Name() string {
return "array"
}
func (r RuleArray) Message() string {
return "The {field} value `{value}` is not of valid array type"
}
func (r RuleArray) Run(in RunInput) error {
if in.Value.IsSlice() {
return nil
}
if json.Valid(in.Value.Bytes()) {
value := in.Value.String()
if len(value) > 1 && value[0] == '[' && value[len(value)-1] == ']' {
return nil
}
}
return errors.New(in.Message)
}