{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE DuplicateRecordFields #-}
{-# LANGUAGE NamedFieldPuns #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE RecordWildCards #-}
{-# LANGUAGE StrictData #-}
{-# LANGUAGE NoImplicitPrelude #-}
{-# OPTIONS_GHC -fno-warn-unused-imports #-}
{-# OPTIONS_GHC -fno-warn-unused-matches #-}

-- Derived from AWS service descriptions, licensed under Apache 2.0.

-- |
-- Module      : Amazonka.CloudFront.Types.Tag
-- Copyright   : (c) 2013-2021 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay <brendan.g.hay+amazonka@gmail.com>
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
module Amazonka.CloudFront.Types.Tag where

import qualified Amazonka.Core as Core
import qualified Amazonka.Lens as Lens
import qualified Amazonka.Prelude as Prelude

-- | A complex type that contains @Tag@ key and @Tag@ value.
--
-- /See:/ 'newTag' smart constructor.
data Tag = Tag'
  { -- | A string that contains an optional @Tag@ value.
    --
    -- The string length should be between 0 and 256 characters. Valid
    -- characters include @a-z@, @A-Z@, @0-9@, space, and the special
    -- characters @_ - . : \/ = + \@@.
    Tag -> Maybe Text
value :: Prelude.Maybe Prelude.Text,
    -- | A string that contains @Tag@ key.
    --
    -- The string length should be between 1 and 128 characters. Valid
    -- characters include @a-z@, @A-Z@, @0-9@, space, and the special
    -- characters @_ - . : \/ = + \@@.
    Tag -> Text
key :: Prelude.Text
  }
  deriving (Tag -> Tag -> Bool
(Tag -> Tag -> Bool) -> (Tag -> Tag -> Bool) -> Eq Tag
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: Tag -> Tag -> Bool
$c/= :: Tag -> Tag -> Bool
== :: Tag -> Tag -> Bool
$c== :: Tag -> Tag -> Bool
Prelude.Eq, ReadPrec [Tag]
ReadPrec Tag
Int -> ReadS Tag
ReadS [Tag]
(Int -> ReadS Tag)
-> ReadS [Tag] -> ReadPrec Tag -> ReadPrec [Tag] -> Read Tag
forall a.
(Int -> ReadS a)
-> ReadS [a] -> ReadPrec a -> ReadPrec [a] -> Read a
readListPrec :: ReadPrec [Tag]
$creadListPrec :: ReadPrec [Tag]
readPrec :: ReadPrec Tag
$creadPrec :: ReadPrec Tag
readList :: ReadS [Tag]
$creadList :: ReadS [Tag]
readsPrec :: Int -> ReadS Tag
$creadsPrec :: Int -> ReadS Tag
Prelude.Read, Int -> Tag -> ShowS
[Tag] -> ShowS
Tag -> String
(Int -> Tag -> ShowS)
-> (Tag -> String) -> ([Tag] -> ShowS) -> Show Tag
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [Tag] -> ShowS
$cshowList :: [Tag] -> ShowS
show :: Tag -> String
$cshow :: Tag -> String
showsPrec :: Int -> Tag -> ShowS
$cshowsPrec :: Int -> Tag -> ShowS
Prelude.Show, (forall x. Tag -> Rep Tag x)
-> (forall x. Rep Tag x -> Tag) -> Generic Tag
forall x. Rep Tag x -> Tag
forall x. Tag -> Rep Tag x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cto :: forall x. Rep Tag x -> Tag
$cfrom :: forall x. Tag -> Rep Tag x
Prelude.Generic)

-- |
-- Create a value of 'Tag' with all optional fields omitted.
--
-- Use <https://hackage.haskell.org/package/generic-lens generic-lens> or <https://hackage.haskell.org/package/optics optics> to modify other optional fields.
--
-- The following record fields are available, with the corresponding lenses provided
-- for backwards compatibility:
--
-- 'value', 'tag_value' - A string that contains an optional @Tag@ value.
--
-- The string length should be between 0 and 256 characters. Valid
-- characters include @a-z@, @A-Z@, @0-9@, space, and the special
-- characters @_ - . : \/ = + \@@.
--
-- 'key', 'tag_key' - A string that contains @Tag@ key.
--
-- The string length should be between 1 and 128 characters. Valid
-- characters include @a-z@, @A-Z@, @0-9@, space, and the special
-- characters @_ - . : \/ = + \@@.
newTag ::
  -- | 'key'
  Prelude.Text ->
  Tag
newTag :: Text -> Tag
newTag Text
pKey_ =
  Tag' :: Maybe Text -> Text -> Tag
Tag' {$sel:value:Tag' :: Maybe Text
value = Maybe Text
forall a. Maybe a
Prelude.Nothing, $sel:key:Tag' :: Text
key = Text
pKey_}

-- | A string that contains an optional @Tag@ value.
--
-- The string length should be between 0 and 256 characters. Valid
-- characters include @a-z@, @A-Z@, @0-9@, space, and the special
-- characters @_ - . : \/ = + \@@.
tag_value :: Lens.Lens' Tag (Prelude.Maybe Prelude.Text)
tag_value :: (Maybe Text -> f (Maybe Text)) -> Tag -> f Tag
tag_value = (Tag -> Maybe Text)
-> (Tag -> Maybe Text -> Tag)
-> Lens Tag Tag (Maybe Text) (Maybe Text)
forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\Tag' {Maybe Text
value :: Maybe Text
$sel:value:Tag' :: Tag -> Maybe Text
value} -> Maybe Text
value) (\s :: Tag
s@Tag' {} Maybe Text
a -> Tag
s {$sel:value:Tag' :: Maybe Text
value = Maybe Text
a} :: Tag)

-- | A string that contains @Tag@ key.
--
-- The string length should be between 1 and 128 characters. Valid
-- characters include @a-z@, @A-Z@, @0-9@, space, and the special
-- characters @_ - . : \/ = + \@@.
tag_key :: Lens.Lens' Tag Prelude.Text
tag_key :: (Text -> f Text) -> Tag -> f Tag
tag_key = (Tag -> Text) -> (Tag -> Text -> Tag) -> Lens Tag Tag Text Text
forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\Tag' {Text
key :: Text
$sel:key:Tag' :: Tag -> Text
key} -> Text
key) (\s :: Tag
s@Tag' {} Text
a -> Tag
s {$sel:key:Tag' :: Text
key = Text
a} :: Tag)

instance Core.FromXML Tag where
  parseXML :: [Node] -> Either String Tag
parseXML [Node]
x =
    Maybe Text -> Text -> Tag
Tag'
      (Maybe Text -> Text -> Tag)
-> Either String (Maybe Text) -> Either String (Text -> Tag)
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
Prelude.<$> ([Node]
x [Node] -> Text -> Either String (Maybe Text)
forall a. FromXML a => [Node] -> Text -> Either String (Maybe a)
Core..@? Text
"Value") Either String (Text -> Tag)
-> Either String Text -> Either String Tag
forall (f :: * -> *) a b. Applicative f => f (a -> b) -> f a -> f b
Prelude.<*> ([Node]
x [Node] -> Text -> Either String Text
forall a. FromXML a => [Node] -> Text -> Either String a
Core..@ Text
"Key")

instance Prelude.Hashable Tag

instance Prelude.NFData Tag

instance Core.ToXML Tag where
  toXML :: Tag -> XML
toXML Tag' {Maybe Text
Text
key :: Text
value :: Maybe Text
$sel:key:Tag' :: Tag -> Text
$sel:value:Tag' :: Tag -> Maybe Text
..} =
    [XML] -> XML
forall a. Monoid a => [a] -> a
Prelude.mconcat
      [Name
"Value" Name -> Maybe Text -> XML
forall a. ToXML a => Name -> a -> XML
Core.@= Maybe Text
value, Name
"Key" Name -> Text -> XML
forall a. ToXML a => Name -> a -> XML
Core.@= Text
key]