63 lines
1.3 KiB
Elixir
63 lines
1.3 KiB
Elixir
defmodule RDF.Sigils do
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@moduledoc """
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Sigils for the most common types of RDF nodes.
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"""
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@doc ~S"""
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Handles the sigil `~I` for IRIs.
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Note: The given IRI string is precompiled into an `RDF.IRI` struct.
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## Examples
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iex> import RDF.Sigils
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iex> ~I<http://example.com>
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RDF.iri("http://example.com")
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"""
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defmacro sigil_I({:<<>>, _, [iri]}, []) when is_binary(iri) do
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Macro.escape(RDF.iri!(iri))
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end
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@doc ~S"""
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Handles the sigil `~B` for blank nodes.
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## Examples
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iex> import RDF.Sigils
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iex> ~B<foo>
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RDF.bnode("foo")
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"""
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defmacro sigil_B({:<<>>, _, [bnode]}, []) when is_binary(bnode) do
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Macro.escape(RDF.BlankNode.new(bnode))
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end
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@doc ~S"""
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Handles the sigil `~L` for plain Literals.
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The sigil modifier can be used to specify a language tag.
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Note: Languages with subtags are not supported.
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## Examples
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iex> import RDF.Sigils
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iex> ~L"foo"
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RDF.literal("foo")
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iex> ~L"foo"en
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RDF.literal("foo", language: "en")
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"""
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defmacro sigil_L(value, language)
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defmacro sigil_L({:<<>>, _, [value]}, []) when is_binary(value) do
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Macro.escape(RDF.String.new(value))
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end
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defmacro sigil_L({:<<>>, _, [value]}, language) when is_binary(value) do
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Macro.escape(RDF.LangString.new(value, %{language: to_string(language)}))
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end
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end
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