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lib/absinthe/language/document.ex
defmodule Absinthe.Language.Document do
@moduledoc false
require Logger
alias Absinthe.{Blueprint, Language}
defstruct [
definitions: [],
loc: %{start_line: nil}
]
@typedoc false
@type t :: %__MODULE__{
definitions: [Absinthe.Traversal.Node.t],
loc: Language.loc_t
}
@doc "Extract a named operation definition from a document"
@spec get_operation(t, String.t) :: nil | Absinthe.Language.OperationDefinition.t
def get_operation(%{definitions: definitions}, name) do
definitions
|> Enum.find(nil, fn
%Language.OperationDefinition{name: ^name} ->
true
_ ->
false
end)
end
@doc false
@spec fragments_by_name(Absinthe.Language.Document.t) :: %{String.t => Absinthe.Language.Fragment.t}
def fragments_by_name(%{definitions: definitions}) do
definitions
|> Enum.reduce(%{}, fn (statement, memo) ->
case statement do
%Absinthe.Language.Fragment{} ->
memo |> Map.put(statement.name, statement)
_ ->
memo
end
end)
end
defimpl Blueprint.Draft do
@operations [
Language.OperationDefinition,
]
@types [
Language.SchemaDefinition,
Language.EnumTypeDefinition,
Language.InputObjectTypeDefinition,
Language.InputValueDefinition,
Language.InterfaceTypeDefinition,
Language.ObjectTypeDefinition,
Language.ScalarTypeDefinition,
Language.UnionTypeDefinition,
]
@directives [
Language.DirectiveDefinition,
]
@fragments [
Language.Fragment,
]
def convert(node, bp) do
Enum.reduce(node.definitions, bp, &convert_definition(&1, node, &2))
end
defp convert_definition(%struct{} = node, doc, blueprint) when struct in @operations do
update_in(blueprint.operations, &[Blueprint.Draft.convert(node, doc) | &1])
end
defp convert_definition(%struct{} = node, doc, blueprint) when struct in @types do
update_in(blueprint.types, &[Blueprint.Draft.convert(node, doc) | &1])
end
defp convert_definition(%struct{} = node, doc, blueprint) when struct in @directives do
update_in(blueprint.directives, &[Blueprint.Draft.convert(node, doc) | &1])
end
defp convert_definition(%struct{} = node, doc, blueprint) when struct in @fragments do
update_in(blueprint.fragments, &[Blueprint.Draft.convert(node, doc) | &1])
end
end
defimpl Absinthe.Traversal.Node do
def children(%{definitions: definitions}, _schema), do: definitions
end
end