envar

type EnvVarsLoaderFunc func() EnvVarsMap

type EnvVarsMap map[string]string

type ParsedFieldGetter interface {
	GetStructField() reflect.StructField
	GetEnvValue() string
	GetEnvFound() bool
	GetEnvKey() string
	// contains filtered or unexported methods
}

type ParserCtx struct {
	// contains filtered or unexported fields
}

type ParserCtxAccessor interface {
	ParserCtxGetter
	ParserCtxSetter
}

type ParserCtxFuncSetter func(setter ParserCtxSetter) error

type ParserCtxGetter interface {
	// GetTagName returns the tag name used to check the tag values for a
	// given struct field
	GetTagName() string
	// GetEnvPrefix returns the ENV prefix to be appended to the ENV name
	// defined in the struct tag
	GetEnvPrefix() string
	// GetEnvPrefixDelima reeturns the ENV prefix delimiter that is used
	// to join the ENV prefix and the ENV name
	GetEnvPrefixDelim() string
	// GetEnvSliceDelim returns the delimiter used to split the values of
	// a collection for a given ENV var
	GetEnvSliceDelim() string
	// GetParserFuncMap returns ParserFuncMap that will be used to parse
	// the different types for a given struct field
	GetParserFuncMap() ParserFuncMap
	// GetEnvVarsMaps returns the environemnt varialbes that was mapped to
	// EnvVarsMap
	GetEnvVarsMap() EnvVarsMap
	// GetValidationErrors returns the validation errors that were added
	// when validation failed for a given struct field.
	GetValidationErrors() validationErrorMap
	// HasValidationErrors returns a boolean if the validationErrorMap has
	// a length of greater than 0
	HasValidationErrors() bool
}

type ParserCtxSetter interface {
	// SetTagName sets the tagname that will be used to read the tag values
	// for a given struct field.
	SetTagName(tagName string) error
	// SetEnvVarsLoaderFunc sets the env var loader func that will be used
	// to set the EnvVarsMap taht will hold the environmental variables
	SetEnvVarsLoaderFunc(fn EnvVarsLoaderFunc) error
	// SetEnvPrefix sets the env prefix
	SetEnvPrefix(envPrefix string) error
	// SetEnvPrefixDelim sets the env prefix delimiter
	SetEnvPrefixDelim(delim string) error
	// SetEnvSliceDelima sets the delimiter for the ENV var that contains
	// a collection
	SetEnvSliceDelim(delim string) error
	// SetParserFuncMap sets the ParserFuncMap using the fnMap. This overrides the
	// ParserFuncMap for the given ParserCtx. This should only if it's not desired
	// to use the parsers already defined in this package.
	SetParserFuncMap(fnMap ParserFuncMap) error
	// AddParserFunc adds a ParserFunc. This does not reset teh ParserFuncMap for
	// the given ParserCtxSetter but will override a ParserFunc that's already
	// defined for the given rType.
	AddParserFunc(rType reflect.Type, fn ParserFunc)
	// SetValidatorFuncsMap sets the ValidatorFuncsMap for the given
	// ParserCtxSetter. This should only be used if it's not desired to use the
	// defined validators in the package and which to override ALL of them.
	SetValidatorFuncsMap(fnMap ValidatorFuncsMap) error
	// AddValidatorFunc adds a validator to the givne ParserCtxSetter's
	// ValidatorFuncsMap. This does not reset the ValidatorFuncsMap but will
	// override any existing validator that matches the validatorKey.
	AddValidatorFunc(validatorKey string, fn ValidatorFunc)
	// AddValidationError adds the validation error that was generated
	// when a validation failed.
	AddValidationError(key, value string)
}

type ParserFunc func(v string) (interface{}, error)

type ParserFuncMap map[string]ParserFunc

type ValidatorFunc func(parserCtx ParserCtxAccessor, parsedField ParsedFieldGetter) error

type ValidatorFuncs []ValidatorFunc

type ValidatorFuncsMap map[string]ValidatorFunc