github.com/v2fly/v2ray-core/v5@v5.16.2-0.20240507031116-8191faa6e095/infra/conf/json/yaml.go (about)

     1  package json
     2  
     3  import (
     4  	"encoding/json"
     5  	"fmt"
     6  
     7  	"gopkg.in/yaml.v3"
     8  )
     9  
    10  // FromYAML convert yaml to json
    11  func FromYAML(v []byte) ([]byte, error) {
    12  	m1 := make(map[interface{}]interface{})
    13  	err := yaml.Unmarshal(v, &m1)
    14  	if err != nil {
    15  		return nil, err
    16  	}
    17  	m2 := convert(m1)
    18  	j, err := json.Marshal(m2)
    19  	if err != nil {
    20  		return nil, err
    21  	}
    22  	return j, nil
    23  }
    24  
    25  func convert(m map[interface{}]interface{}) map[string]interface{} {
    26  	res := map[string]interface{}{}
    27  	for k, v := range m {
    28  		var value interface{}
    29  		switch v2 := v.(type) {
    30  		case map[interface{}]interface{}:
    31  			value = convert(v2)
    32  		case []interface{}:
    33  			for i, el := range v2 {
    34  				if m, ok := el.(map[interface{}]interface{}); ok {
    35  					v2[i] = convert(m)
    36  				}
    37  			}
    38  			value = v2
    39  		default:
    40  			value = v
    41  		}
    42  		key := "null"
    43  		if k != nil {
    44  			key = fmt.Sprint(k)
    45  		}
    46  		res[key] = value
    47  	}
    48  	return res
    49  }