hgeometry-0.8.0.0: Geometric Algorithms, Data structures, and Data types.

Safe Haskell	None
Language	Haskell2010

Data.Geometry.Ipe.PathParser

Synopsis

class Fractional r => Coordinate r where
- fromSeq :: Integer -> Maybe (Int, Integer) -> r
defaultFromSeq :: (Ord r, Fractional r) => Integer -> Maybe (Int, Integer) -> r
readCoordinate :: Coordinate r => Text -> Either Text r
readPoint :: Coordinate r => Text -> Either Text (Point 2 r)
runParser :: Parser a -> Text -> Either Text a
data Either' l r
- = Left' l
- | Right' r
either' :: (l -> a) -> (r -> a) -> Either' l r -> a
readPathOperations :: Coordinate r => Text -> Either Text [Operation r]
errorText :: ParseError -> Text
combineErrors :: [ParseError] -> Text
splitKeepDelims :: [Char] -> Text -> [Text]
readMatrix :: Coordinate r => Text -> Either Text (Matrix 3 3 r)
readRectangle :: Coordinate r => Text -> Either Text (Rectangle () r)
pOperation :: Coordinate r => Parser (Operation r)
pPoint :: Coordinate r => Parser (Point 2 r)
pCoordinate :: Coordinate r => Parser r
pRectangle :: Coordinate r => Parser (Rectangle () r)
pMatrix :: Coordinate r => Parser (Matrix 3 3 r)
mkMatrix :: Coordinate r => [r] -> Matrix 3 3 r

Documentation

class Fractional r => Coordinate r where Source #

Represent stuff that can be used as a coordinate in ipe. (similar to show/read)

Minimal complete definition

Nothing

Methods

fromSeq :: Integer -> Maybe (Int, Integer) -> r Source #

fromSeq :: (Ord r, Fractional r) => Integer -> Maybe (Int, Integer) -> r Source #

Instances

Coordinate Double Source #
Instance details Defined in Data.Geometry.Ipe.PathParser Methods fromSeq :: Integer -> Maybe (Int, Integer) -> Double Source #
Coordinate (Ratio Integer) Source #
Instance details Defined in Data.Geometry.Ipe.PathParser Methods fromSeq :: Integer -> Maybe (Int, Integer) -> Ratio Integer Source #

defaultFromSeq :: (Ord r, Fractional r) => Integer -> Maybe (Int, Integer) -> r Source #

readCoordinate :: Coordinate r => Text -> Either Text r Source #

Running the parsers

readPoint :: Coordinate r => Text -> Either Text (Point 2 r) Source #

runParser :: Parser a -> Text -> Either Text a Source #

data Either' l r Source #

Constructors

Left' l
Right' r

Instances

(Eq l, Eq r) => Eq (Either' l r) Source #
Instance details Defined in Data.Geometry.Ipe.PathParser Methods (==) :: Either' l r -> Either' l r -> Bool # (/=) :: Either' l r -> Either' l r -> Bool #
(Show l, Show r) => Show (Either' l r) Source #
Instance details Defined in Data.Geometry.Ipe.PathParser Methods showsPrec :: Int -> Either' l r -> ShowS # show :: Either' l r -> String # showList :: [Either' l r] -> ShowS #
(Semigroup l, Semigroup r) => Semigroup (Either' l r) Source #
Instance details Defined in Data.Geometry.Ipe.PathParser Methods (<>) :: Either' l r -> Either' l r -> Either' l r # sconcat :: NonEmpty (Either' l r) -> Either' l r # stimes :: Integral b => b -> Either' l r -> Either' l r #
(Semigroup l, Semigroup r, Monoid r) => Monoid (Either' l r) Source #
Instance details Defined in Data.Geometry.Ipe.PathParser Methods mempty :: Either' l r # mappend :: Either' l r -> Either' l r -> Either' l r # mconcat :: [Either' l r] -> Either' l r #

either' :: (l -> a) -> (r -> a) -> Either' l r -> a Source #

readPathOperations :: Coordinate r => Text -> Either Text [Operation r] Source #

errorText :: ParseError -> Text Source #

combineErrors :: [ParseError] -> Text Source #

splitKeepDelims :: [Char] -> Text -> [Text] Source #

readMatrix :: Coordinate r => Text -> Either Text (Matrix 3 3 r) Source #

readRectangle :: Coordinate r => Text -> Either Text (Rectangle () r) Source #

pOperation :: Coordinate r => Parser (Operation r) Source #

The parsers themselves

pPoint :: Coordinate r => Parser (Point 2 r) Source #

pCoordinate :: Coordinate r => Parser r Source #

pRectangle :: Coordinate r => Parser (Rectangle () r) Source #

pMatrix :: Coordinate r => Parser (Matrix 3 3 r) Source #

mkMatrix :: Coordinate r => [r] -> Matrix 3 3 r Source #

Generate a matrix from a list of 6 coordinates.