github.com/gogf/gf/v2@v2.7.4/util/gvalid/internal/builtin/builtin_in.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/gogf/gf.
     6  
     7  package builtin
     8  
     9  import (
    10  	"errors"
    11  	"strings"
    12  
    13  	"github.com/gogf/gf/v2/text/gstr"
    14  )
    15  
    16  // RuleIn implements `in` rule:
    17  // Value should be in: value1,value2,...
    18  //
    19  // Format: in:value1,value2,...
    20  type RuleIn struct{}
    21  
    22  func init() {
    23  	Register(RuleIn{})
    24  }
    25  
    26  func (r RuleIn) Name() string {
    27  	return "in"
    28  }
    29  
    30  func (r RuleIn) Message() string {
    31  	return "The {field} value `{value}` is not in acceptable range: {pattern}"
    32  }
    33  
    34  func (r RuleIn) Run(in RunInput) error {
    35  	var (
    36  		ok               bool
    37  		inputValueString = in.Value.String()
    38  	)
    39  
    40  	for _, rulePattern := range gstr.SplitAndTrim(in.RulePattern, ",") {
    41  		if in.Option.CaseInsensitive {
    42  			ok = strings.EqualFold(inputValueString, strings.TrimSpace(rulePattern))
    43  		} else {
    44  			ok = strings.Compare(inputValueString, strings.TrimSpace(rulePattern)) == 0
    45  		}
    46  		if ok {
    47  			return nil
    48  		}
    49  	}
    50  	return errors.New(in.Message)
    51  }