Data.Geometry.Ipe.PathParser

Documentation

class Num r => Coordinate r where

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

Methods

fromSeq :: Integer -> Maybe Integer -> r

Instances

Coordinate Double

Coordinate (Ratio Integer)

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

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

Running the parsers

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

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

data Either' l r

Constructors

Left' l

Right' r

Instances

(Eq l, Eq r) => Eq (Either' l r)

(Show l, Show r) => Show (Either' l r)

(Semigroup l, Semigroup r, Monoid r) => Monoid (Either' l 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)

The parsers themselves

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

Generate a matrix from a list of 6 coordinates.