github.com/wangyougui/gf/v2@v2.6.5/util/gvalid/internal/builtin/builtin_ipv4.go (about)

     1  // Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
     2  //
     3  // This Source Code Form is subject to the terms of the MIT License.
     4  // If a copy of the MIT was not distributed with this file,
     5  // You can obtain one at https://github.com/wangyougui/gf.
     6  
     7  package builtin
     8  
     9  import (
    10  	"errors"
    11  
    12  	"github.com/wangyougui/gf/v2/net/gipv4"
    13  )
    14  
    15  // RuleIpv4 implements `ipv4` rule:
    16  // IPv4.
    17  //
    18  // Format: ipv4
    19  type RuleIpv4 struct{}
    20  
    21  func init() {
    22  	Register(RuleIpv4{})
    23  }
    24  
    25  func (r RuleIpv4) Name() string {
    26  	return "ipv4"
    27  }
    28  
    29  func (r RuleIpv4) Message() string {
    30  	return "The {field} value `{value}` is not a valid IPv4 address"
    31  }
    32  
    33  func (r RuleIpv4) Run(in RunInput) error {
    34  	var (
    35  		ok    bool
    36  		value = in.Value.String()
    37  	)
    38  	if ok = gipv4.Validate(value); !ok {
    39  		return errors.New(in.Message)
    40  	}
    41  	return nil
    42  }