parser

package

API reference for the parser package.

Imports

(3)

STD reflect STD strings PKG github.com/mirkobrombin/go-foundation/pkg/tags

struct

FieldInfo

FieldInfo holds configuration metadata for a struct field.

pkg/parser/parser.go:11-16

type FieldInfo struct

Fields

Name	Type	Description
Name	string
EnvKey	string
FlagKey	string
Default	string

function

Parse

Parse extracts configuration tags from a struct type.

Parameters

typ

reflect.Type

Returns

map[string]FieldInfo

pkg/parser/parser.go:21-42

func Parse(typ reflect.Type) map[string]FieldInfo

{
	info := make(map[string]FieldInfo)

	fields := tagParser.ParseType(typ)
	for _, field := range fields {
		fi := FieldInfo{Name: field.Name}

		if env := field.Get("env"); env != "" {
			fi.EnvKey = env
		}
		if flag := field.Get("flag"); flag != "" {
			fi.FlagKey = flag
		}
		if def := field.Get("default"); def != "" {
			fi.Default = def
		}

		info[strings.ToLower(field.Name)] = fi
	}

	return info
}