Swish.RDF.NTParser

This Module implements a NTriples parser (see [1]), returning a new RDFGraph consisting of triples and namespace information parsed from the supplied NTriples input string, or an error indication.

Uses the Parsec monadic parser library.

REFERENCES:

1 http://www.w3.org/TR/rdf-testcases/#ntriples RDF Test Cases W3C Recommendation 10 February 2004

Documentation

type ParseResult = Either String RDFGraph

parseNT

Arguments

:: String

input in NTriples format.

-> ParseResult

Parse a string.

parsefromString

Arguments

:: NTParser a

parser to apply

-> String

input to be parsed

-> Either String a

Function to supply initial context and parse supplied term.

We augment the Parsec error with the context.

Exports for parsers that embed NTriples in a bigger syntax

type NTParser a = RDFParser NTState a

data NTState

NT parser state

Constructors

NTState

Fields

graphState :: RDFGraph

ntripleDoc :: NTParser RDFGraph

line :: NTParser ()

ws :: NTParser ()

comment :: NTParser ()

eoln :: NTParser ()

character :: NTParser Char

name :: NTParser String

triple :: NTParser ()

subject :: NTParser RDFLabel

predicate :: NTParser RDFLabel

object :: NTParser RDFLabel

uriref :: NTParser ScopedName

urirefLbl :: NTParser RDFLabel

nodeID :: NTParser RDFLabel

literal :: NTParser RDFLabel

language :: NTParser ScopedName