common.go

// Copyright © 2018 The Homeport Team
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

package ytbx

import (
	"reflect"

	yamlv3 "gopkg.in/yaml.v3"
)

// Internal string constants for type names and type decisions
const (
	typeMap         = "map"
	typeSimpleList  = "list"
	typeComplexList = "complex-list"
)

// GetType returns the type of the input value with a YAML specific view
func GetType(value interface{}) string {
	switch tobj := value.(type) {
	case *yamlv3.Node:
		switch tobj.Kind {
		case yamlv3.MappingNode:
			return typeMap

		case yamlv3.SequenceNode:
			if hasMappingNodes(tobj) {
				return typeComplexList
			}

			return typeSimpleList

		default:
			return reflect.TypeOf(tobj.Value).Kind().String()
		}

	default:
		return reflect.TypeOf(value).Kind().String()
	}
}

func hasMappingNodes(sequenceNode *yamlv3.Node) bool {
	counter := 0

	for _, entry := range sequenceNode.Content {
		if entry.Kind == yamlv3.MappingNode {
			counter++
		}
	}

	return counter == len(sequenceNode.Content)
}