Swish.RDF.Formatter.N3

This Module implements a Notation 3 formatter for an RDFGraph value.

REFERENCES:

• "Notation3 (N3): A readable RDF syntax", W3C Team Submission 14 January 2008, http://www.w3.org/TeamSubmission/2008/SUBM-n3-20080114/
• Tim Berners-Lee's design issues series notes and description, http://www.w3.org/DesignIssues/Notation3.html
• Notation 3 Primer by Sean Palmer, http://www.w3.org/2000/10/swap/Primer.html

TODO:

• Initial prefix list to include nested formulae; then don't need to update prefix list for these.
• correct output of strings containing unsupported escape characters (such as \q)
• more flexible terminator generation for formatted formulae (for inline blank nodes.)

Documentation

type NodeGenLookupMap = Map RDFLabel Word32

Node name generation state information that carries through and is updated by nested formulae.

formatGraphAsText :: RDFGraph -> Text

Convert the graph to text.

formatGraphAsLazyText :: RDFGraph -> Text

Convert the graph to text.

formatGraphAsBuilder :: RDFGraph -> Builder

Convert the graph to a Builder.

formatGraphIndent

Arguments

:: Builder

indentation text

-> Bool

are prefixes to be generated?

-> RDFGraph

graph

-> Builder

Convert the graph to a builder using the given indentation text.

formatGraphDiag

Arguments

:: Builder

indentation

-> Bool

are prefixes to be generated?

-> RDFGraph

-> (Builder, NodeGenLookupMap, Word32, [String])

Format graph and return additional information