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// Copyright 2012-2017 Charles Banning. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file
package mxj
import (
"encoding/json"
"errors"
"reflect"
// "github.com/fatih/structs"
)
// Create a new Map value from a structure. Error returned if argument is not a structure.
// Only public structure fields are decoded in the Map value. See github.com/fatih/structs#Map
// for handling of "structs" tags.
// DEPRECATED - import github.com/fatih/structs and cast result of structs.Map to mxj.Map.
// import "github.com/fatih/structs"
// ...
// sm, err := structs.Map(<some struct>)
// if err != nil {
// // handle error
// }
// m := mxj.Map(sm)
// Alernatively uncomment the old source and import in struct.go.
func NewMapStruct(structVal interface{}) (Map, error) {
return nil, errors.New("deprecated - see package documentation")
/*
if !structs.IsStruct(structVal) {
return nil, errors.New("NewMapStruct() error: argument is not type Struct")
}
return structs.Map(structVal), nil
*/
}
// Marshal a map[string]interface{} into a structure referenced by 'structPtr'. Error returned
// if argument is not a pointer or if json.Unmarshal returns an error.
// json.Unmarshal structure encoding rules are followed to encode public structure fields.
func (mv Map) Struct(structPtr interface{}) error {
// should check that we're getting a pointer.
if reflect.ValueOf(structPtr).Kind() != reflect.Ptr {
return errors.New("mv.Struct() error: argument is not type Ptr")
}
m := map[string]interface{}(mv)
j, err := json.Marshal(m)
if err != nil {
return err
}
return json.Unmarshal(j, structPtr)
}
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