Copyright	(c) 2013-2020 Brendan Hay <brendan.g.hay@gmail.com>
License	This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0. A copy of the MPL can be found in the LICENSE file or you can obtain it at http://mozilla.org/MPL/2.0/.
Maintainer	Brendan Hay <brendan.g.hay@gmail.com>
Stability	experimental
Portability	non-portable (GHC extensions)
Safe Haskell	None
Language	Haskell2010

Text.EDE.Filters

Contents

Prelude
Constructing filters

Description

The means to construct your own filters.

Synopsis

data Term
- = TVal !Value
- | TLam (Term -> Result Term)
class Quote a where
- quote :: Id -> Int -> a -> Term
class Unquote a where
- unquote :: Id -> Int -> Term -> Result a
(@:) :: Quote a => Id -> a -> (Id, Term)
qapply :: Delta -> Term -> Term -> Result Term
qpoly2 :: Quote a => Id -> (Value -> Value -> a) -> (Id, Term)
qnum1 :: Id -> (Scientific -> Scientific) -> (Id, Term)
qnum2 :: Quote a => Id -> (Scientific -> Scientific -> a) -> (Id, Term)
qcol1 :: (Quote a, Quote b, Quote c) => Id -> (Text -> a) -> (HashMap Text Value -> b) -> (Vector Value -> c) -> (Id, Term)
typeErr :: Id -> Int -> AnsiDoc -> AnsiDoc -> Result a
argumentErr :: Pretty a => Id -> Int -> a -> Result b

Prelude

The default filters available to a template are documented by the subsequent categories.

These filters cannot be overriden and attempting to supply your own filters to renderWith will cause the similarly named filters to disappear when they are merged with the prelude during evaluation. (See: union)

Boolean

! :: Bool -> Bool: See: not
&& :: Bool -> Bool -> Bool
|| :: Bool -> Bool -> Bool

Equality

== :: a -> a -> Bool
!= :: a -> a -> Bool: See: /=

Relational

> :: a -> a -> Bool
>= :: a -> a -> Bool
<= :: a -> a -> Bool
< :: a -> a -> Bool

Numeric

+ :: Scientific -> Scientific -> Scientific
- :: Scientific -> Scientific -> Scientific
* :: Scientific -> Scientific -> Scientific
abs :: Scientific -> Scientific
negate :: Scientific -> Scientific
signum :: Scientific -> Scientific

Fractional

ceiling :: Scientific -> Scientific
floor :: Scientific -> Scientific
round :: Scientific -> Scientific
truncate :: Scientific -> Scientific

Textual

dropLower :: Text -> Text: Drop preceding lowercase characters.
dropUpper :: Text -> Text: Drop preceding uppercase characters.
indentLines :: Text -> Text
prependLines :: Text -> Text
justifyLeft :: Text -> Text: Using whitespace as fill character.
justifyRight :: Text -> Text: Using whitespace as fill character.
center :: Text -> Text: Using whitespace as fill character.
replace :: Text -> Text
remove :: Text -> Text: Shortcut for: replace(pattern, "")
splitWords :: Text -> Text
strip :: Text -> Text
stripPrefix :: Text -> Text
stripSuffix :: Text -> Text
stripStart :: Text -> Text
stripEnd :: Text -> Text
takeWord :: Text -> Text
dropWord :: Text -> Text
lowerHead :: Text -> Text
upperHead :: Text -> Text
toCamel :: Text -> Text
toEllipsis :: Text -> Text
toEllipsisWith :: Text -> Text
toPascal :: Text -> Text
toSnake :: Text -> Text
toSpinal :: Text -> Text
toTitle :: Text -> Text
toTrain :: Text -> Text
toLower :: Text -> Text
toUpper :: Text -> Text
toOrdinal :: Scientific -> Text

Collection

length :: Collection -> Scientific: See: Text.length, Vector.length, HashMap.size
empty :: Collection -> Bool: See: Text.null, Vector.null, HashMap.null
reverse :: Collection -> Scientific: See: Text.reverse, Vector.reverse
head :: Collection -> Scientific: See: Text.head, Vector.head
last :: Collection -> Scientific: See: Text.last, Vector.last
tail :: Collection -> Scientific: See: Text.tail, Vector.tail
init :: Collection -> Scientific: See: Text.init, Vector.init
keys :: Collection -> Scientific
elems :: Collection -> Scientific

Polymorphic

show :: a -> Text

Constructing filters

data Term Source #

A HOAS representation of (possibly partially applied) values in the environment.

Constructors

TVal !Value
TLam (Term -> Result Term)

Instances

Instances details

AnsiPretty Term Source #
Instance details Defined in Text.EDE.Internal.Quoting Methods apretty :: Term -> AnsiDoc Source #
Quote Term Source #
Instance details Defined in Text.EDE.Internal.Quoting Methods quote :: Id -> Int -> Term -> Term Source #

Classes

class Quote a where Source #

Minimal complete definition

Nothing

Methods

quote :: Id -> Int -> a -> Term Source #

default quote :: ToJSON a => Id -> Int -> a -> Term Source #

Instances

Instances details

Quote Bool Source #
Instance details Defined in Text.EDE.Internal.Quoting Methods quote :: Id -> Int -> Bool -> Term Source #
Quote Double Source #
Instance details Defined in Text.EDE.Internal.Quoting Methods quote :: Id -> Int -> Double -> Term Source #
Quote Int Source #
Instance details Defined in Text.EDE.Internal.Quoting Methods quote :: Id -> Int -> Int -> Term Source #
Quote Integer Source #
Instance details Defined in Text.EDE.Internal.Quoting Methods quote :: Id -> Int -> Integer -> Term Source #
Quote Builder Source #
Instance details Defined in Text.EDE.Internal.Quoting Methods quote :: Id -> Int -> Builder -> Term Source #
Quote Scientific Source #
Instance details Defined in Text.EDE.Internal.Quoting Methods quote :: Id -> Int -> Scientific -> Term Source #
Quote Text Source #
Instance details Defined in Text.EDE.Internal.Quoting Methods quote :: Id -> Int -> Text -> Term Source #
Quote Value Source #
Instance details Defined in Text.EDE.Internal.Quoting Methods quote :: Id -> Int -> Value -> Term Source #
Quote Text Source #
Instance details Defined in Text.EDE.Internal.Quoting Methods quote :: Id -> Int -> Text -> Term Source #
Quote Term Source #
Instance details Defined in Text.EDE.Internal.Quoting Methods quote :: Id -> Int -> Term -> Term Source #
Quote [Text] Source #
Instance details Defined in Text.EDE.Internal.Quoting Methods quote :: Id -> Int -> [Text] -> Term Source #
Quote [Value] Source #
Instance details Defined in Text.EDE.Internal.Quoting Methods quote :: Id -> Int -> [Value] -> Term Source #
Quote (KeyMap Value) Source #
Instance details Defined in Text.EDE.Internal.Quoting Methods quote :: Id -> Int -> KeyMap Value -> Term Source #
Quote (Vector Value) Source #
Instance details Defined in Text.EDE.Internal.Quoting Methods quote :: Id -> Int -> Vector Value -> Term Source #
(Unquote a, Quote b) => Quote (a -> b) Source #
Instance details Defined in Text.EDE.Internal.Quoting Methods quote :: Id -> Int -> (a -> b) -> Term Source #
Quote (HashMap Text Value) Source #
Instance details Defined in Text.EDE.Internal.Quoting Methods quote :: Id -> Int -> HashMap Text Value -> Term Source #

class Unquote a where Source #

Minimal complete definition

Nothing

Methods

unquote :: Id -> Int -> Term -> Result a Source #

default unquote :: FromJSON a => Id -> Int -> Term -> Result a Source #

Instances

Instances details

Unquote Bool Source #
Instance details Defined in Text.EDE.Internal.Quoting Methods unquote :: Id -> Int -> Term -> Result Bool Source #
Unquote Double Source #
Instance details Defined in Text.EDE.Internal.Quoting Methods unquote :: Id -> Int -> Term -> Result Double Source #
Unquote Int Source #
Instance details Defined in Text.EDE.Internal.Quoting Methods unquote :: Id -> Int -> Term -> Result Int Source #
Unquote Integer Source #
Instance details Defined in Text.EDE.Internal.Quoting Methods unquote :: Id -> Int -> Term -> Result Integer Source #
Unquote Scientific Source #
Instance details Defined in Text.EDE.Internal.Quoting Methods unquote :: Id -> Int -> Term -> Result Scientific Source #
Unquote Text Source #
Instance details Defined in Text.EDE.Internal.Quoting Methods unquote :: Id -> Int -> Term -> Result Text Source #
Unquote Value Source #
Instance details Defined in Text.EDE.Internal.Quoting Methods unquote :: Id -> Int -> Term -> Result Value Source #
Unquote Text Source #
Instance details Defined in Text.EDE.Internal.Quoting Methods unquote :: Id -> Int -> Term -> Result Text Source #
Unquote Collection Source #
Instance details Defined in Text.EDE.Internal.Quoting Methods unquote :: Id -> Int -> Term -> Result Collection Source #
Unquote [Text] Source #
Instance details Defined in Text.EDE.Internal.Quoting Methods unquote :: Id -> Int -> Term -> Result [Text] Source #
Unquote (KeyMap Value) Source #
Instance details Defined in Text.EDE.Internal.Quoting Methods unquote :: Id -> Int -> Term -> Result (KeyMap Value) Source #
Unquote (Vector Value) Source #
Instance details Defined in Text.EDE.Internal.Quoting Methods unquote :: Id -> Int -> Term -> Result (Vector Value) Source #
Unquote (HashMap Text Value) Source #
Instance details Defined in Text.EDE.Internal.Quoting Methods unquote :: Id -> Int -> Term -> Result (HashMap Text Value) Source #

Restricted quoters

(@:) :: Quote a => Id -> a -> (Id, Term) Source #

qapply :: Delta -> Term -> Term -> Result Term Source #

Fully apply two Terms.

qpoly2 :: Quote a => Id -> (Value -> Value -> a) -> (Id, Term) Source #

Quote a binary function which takes the most general binding value.

qnum1 :: Id -> (Scientific -> Scientific) -> (Id, Term) Source #

Quote an unary numeric function.

qnum2 :: Quote a => Id -> (Scientific -> Scientific -> a) -> (Id, Term) Source #

Quote a binary numeric function.

qcol1 :: (Quote a, Quote b, Quote c) => Id -> (Text -> a) -> (HashMap Text Value -> b) -> (Vector Value -> c) -> (Id, Term) Source #

Quote a comprehensive set of unary functions to create a binding that supports all collection types.

Errors

typeErr :: Id -> Int -> AnsiDoc -> AnsiDoc -> Result a Source #

argumentErr :: Pretty a => Id -> Int -> a -> Result b Source #