hydra-0.14.0: src/gen-main/haskell/Hydra/Decode/Query.hs

-- Note: this is an automatically generated file. Do not edit.

-- | Term decoders for hydra.query

module Hydra.Decode.Query where

import qualified Hydra.Core as Core
import qualified Hydra.Decode.Core as Core_
import qualified Hydra.Errors as Errors
import qualified Hydra.Extract.Helpers as Helpers
import qualified Hydra.Graph as Graph
import qualified Hydra.Lexical as Lexical
import qualified Hydra.Lib.Eithers as Eithers
import qualified Hydra.Lib.Maps as Maps
import qualified Hydra.Lib.Maybes as Maybes
import qualified Hydra.Lib.Strings as Strings
import qualified Hydra.Query as Query
import Prelude hiding  (Enum, Ordering, decodeFloat, encodeFloat, fail, map, pure, sum)
import qualified Data.ByteString as B
import qualified Data.Int as I
import qualified Data.List as L
import qualified Data.Map as M
import qualified Data.Set as S

comparisonConstraint :: Graph.Graph -> Core.Term -> Either Errors.DecodingError Query.ComparisonConstraint
comparisonConstraint cx raw =
    Eithers.either (\err -> Left (Errors.DecodingError err)) (\stripped -> case stripped of
      Core.TermUnion v0 ->
        let field = Core.injectionField v0
            fname = Core.fieldName field
            fterm = Core.fieldTerm field
            variantMap =
                    Maps.fromList [
                      (Core.Name "equal", (\input -> Eithers.map (\t -> Query.ComparisonConstraintEqual) (Helpers.decodeUnit cx input))),
                      (Core.Name "notEqual", (\input -> Eithers.map (\t -> Query.ComparisonConstraintNotEqual) (Helpers.decodeUnit cx input))),
                      (Core.Name "lessThan", (\input -> Eithers.map (\t -> Query.ComparisonConstraintLessThan) (Helpers.decodeUnit cx input))),
                      (Core.Name "greaterThan", (\input -> Eithers.map (\t -> Query.ComparisonConstraintGreaterThan) (Helpers.decodeUnit cx input))),
                      (Core.Name "lessThanOrEqual", (\input -> Eithers.map (\t -> Query.ComparisonConstraintLessThanOrEqual) (Helpers.decodeUnit cx input))),
                      (Core.Name "greaterThanOrEqual", (\input -> Eithers.map (\t -> Query.ComparisonConstraintGreaterThanOrEqual) (Helpers.decodeUnit cx input)))]
        in (Maybes.maybe (Left (Errors.DecodingError (Strings.cat [
          "no such field ",
          (Core.unName fname),
          " in union"]))) (\f -> f fterm) (Maps.lookup fname variantMap))
      _ -> Left (Errors.DecodingError "expected union")) (Lexical.stripAndDereferenceTermEither cx raw)

edge :: Graph.Graph -> Core.Term -> Either Errors.DecodingError Query.Edge
edge cx raw =
    Eithers.either (\err -> Left (Errors.DecodingError err)) (\stripped -> case stripped of
      Core.TermRecord v0 ->
        let fieldMap = Helpers.toFieldMap v0
        in (Eithers.bind (Helpers.requireField "type" Core_.name fieldMap cx) (\field_type -> Eithers.bind (Helpers.requireField "out" (Helpers.decodeMaybe Core_.name) fieldMap cx) (\field_out -> Eithers.bind (Helpers.requireField "in" (Helpers.decodeMaybe Core_.name) fieldMap cx) (\field_in -> Right (Query.Edge {
          Query.edgeType = field_type,
          Query.edgeOut = field_out,
          Query.edgeIn = field_in})))))
      _ -> Left (Errors.DecodingError "expected record")) (Lexical.stripAndDereferenceTermEither cx raw)

graphPattern :: Graph.Graph -> Core.Term -> Either Errors.DecodingError Query.GraphPattern
graphPattern cx raw =
    Eithers.either (\err -> Left (Errors.DecodingError err)) (\stripped -> case stripped of
      Core.TermRecord v0 ->
        let fieldMap = Helpers.toFieldMap v0
        in (Eithers.bind (Helpers.requireField "graph" Core_.name fieldMap cx) (\field_graph -> Eithers.bind (Helpers.requireField "patterns" (Helpers.decodeList pattern) fieldMap cx) (\field_patterns -> Right (Query.GraphPattern {
          Query.graphPatternGraph = field_graph,
          Query.graphPatternPatterns = field_patterns}))))
      _ -> Left (Errors.DecodingError "expected record")) (Lexical.stripAndDereferenceTermEither cx raw)

node :: Graph.Graph -> Core.Term -> Either Errors.DecodingError Query.Node
node cx raw =
    Eithers.either (\err -> Left (Errors.DecodingError err)) (\stripped -> case stripped of
      Core.TermUnion v0 ->
        let field = Core.injectionField v0
            fname = Core.fieldName field
            fterm = Core.fieldTerm field
            variantMap =
                    Maps.fromList [
                      (Core.Name "term", (\input -> Eithers.map (\t -> Query.NodeTerm t) (Core_.term cx input))),
                      (Core.Name "variable", (\input -> Eithers.map (\t -> Query.NodeVariable t) (variable cx input))),
                      (Core.Name "wildcard", (\input -> Eithers.map (\t -> Query.NodeWildcard) (Helpers.decodeUnit cx input)))]
        in (Maybes.maybe (Left (Errors.DecodingError (Strings.cat [
          "no such field ",
          (Core.unName fname),
          " in union"]))) (\f -> f fterm) (Maps.lookup fname variantMap))
      _ -> Left (Errors.DecodingError "expected union")) (Lexical.stripAndDereferenceTermEither cx raw)

path :: Graph.Graph -> Core.Term -> Either Errors.DecodingError Query.Path
path cx raw =
    Eithers.either (\err -> Left (Errors.DecodingError err)) (\stripped -> case stripped of
      Core.TermUnion v0 ->
        let field = Core.injectionField v0
            fname = Core.fieldName field
            fterm = Core.fieldTerm field
            variantMap =
                    Maps.fromList [
                      (Core.Name "step", (\input -> Eithers.map (\t -> Query.PathStep t) (step cx input))),
                      (Core.Name "regex", (\input -> Eithers.map (\t -> Query.PathRegex t) (regexSequence cx input))),
                      (Core.Name "inverse", (\input -> Eithers.map (\t -> Query.PathInverse t) (path cx input)))]
        in (Maybes.maybe (Left (Errors.DecodingError (Strings.cat [
          "no such field ",
          (Core.unName fname),
          " in union"]))) (\f -> f fterm) (Maps.lookup fname variantMap))
      _ -> Left (Errors.DecodingError "expected union")) (Lexical.stripAndDereferenceTermEither cx raw)

pathEquation :: Graph.Graph -> Core.Term -> Either Errors.DecodingError Query.PathEquation
pathEquation cx raw =
    Eithers.either (\err -> Left (Errors.DecodingError err)) (\stripped -> case stripped of
      Core.TermRecord v0 ->
        let fieldMap = Helpers.toFieldMap v0
        in (Eithers.bind (Helpers.requireField "left" path fieldMap cx) (\field_left -> Eithers.bind (Helpers.requireField "right" path fieldMap cx) (\field_right -> Right (Query.PathEquation {
          Query.pathEquationLeft = field_left,
          Query.pathEquationRight = field_right}))))
      _ -> Left (Errors.DecodingError "expected record")) (Lexical.stripAndDereferenceTermEither cx raw)

pattern :: Graph.Graph -> Core.Term -> Either Errors.DecodingError Query.Pattern
pattern cx raw =
    Eithers.either (\err -> Left (Errors.DecodingError err)) (\stripped -> case stripped of
      Core.TermUnion v0 ->
        let field = Core.injectionField v0
            fname = Core.fieldName field
            fterm = Core.fieldTerm field
            variantMap =
                    Maps.fromList [
                      (Core.Name "triple", (\input -> Eithers.map (\t -> Query.PatternTriple t) (triplePattern cx input))),
                      (Core.Name "negation", (\input -> Eithers.map (\t -> Query.PatternNegation t) (pattern cx input))),
                      (Core.Name "conjunction", (\input -> Eithers.map (\t -> Query.PatternConjunction t) (Helpers.decodeList pattern cx input))),
                      (Core.Name "disjunction", (\input -> Eithers.map (\t -> Query.PatternDisjunction t) (Helpers.decodeList pattern cx input))),
                      (Core.Name "graph", (\input -> Eithers.map (\t -> Query.PatternGraph t) (graphPattern cx input)))]
        in (Maybes.maybe (Left (Errors.DecodingError (Strings.cat [
          "no such field ",
          (Core.unName fname),
          " in union"]))) (\f -> f fterm) (Maps.lookup fname variantMap))
      _ -> Left (Errors.DecodingError "expected union")) (Lexical.stripAndDereferenceTermEither cx raw)

patternImplication :: Graph.Graph -> Core.Term -> Either Errors.DecodingError Query.PatternImplication
patternImplication cx raw =
    Eithers.either (\err -> Left (Errors.DecodingError err)) (\stripped -> case stripped of
      Core.TermRecord v0 ->
        let fieldMap = Helpers.toFieldMap v0
        in (Eithers.bind (Helpers.requireField "antecedent" pattern fieldMap cx) (\field_antecedent -> Eithers.bind (Helpers.requireField "consequent" pattern fieldMap cx) (\field_consequent -> Right (Query.PatternImplication {
          Query.patternImplicationAntecedent = field_antecedent,
          Query.patternImplicationConsequent = field_consequent}))))
      _ -> Left (Errors.DecodingError "expected record")) (Lexical.stripAndDereferenceTermEither cx raw)

query :: Graph.Graph -> Core.Term -> Either Errors.DecodingError Query.Query
query cx raw =
    Eithers.either (\err -> Left (Errors.DecodingError err)) (\stripped -> case stripped of
      Core.TermRecord v0 ->
        let fieldMap = Helpers.toFieldMap v0
        in (Eithers.bind (Helpers.requireField "variables" (Helpers.decodeList variable) fieldMap cx) (\field_variables -> Eithers.bind (Helpers.requireField "patterns" (Helpers.decodeList pattern) fieldMap cx) (\field_patterns -> Right (Query.Query {
          Query.queryVariables = field_variables,
          Query.queryPatterns = field_patterns}))))
      _ -> Left (Errors.DecodingError "expected record")) (Lexical.stripAndDereferenceTermEither cx raw)

range :: Graph.Graph -> Core.Term -> Either Errors.DecodingError Query.Range
range cx raw =
    Eithers.either (\err -> Left (Errors.DecodingError err)) (\stripped -> case stripped of
      Core.TermRecord v0 ->
        let fieldMap = Helpers.toFieldMap v0
        in (Eithers.bind (Helpers.requireField "min" (\cx -> \raw -> Eithers.either (\err -> Left (Errors.DecodingError err)) (\stripped -> case stripped of
          Core.TermLiteral v1 -> case v1 of
            Core.LiteralInteger v2 -> case v2 of
              Core.IntegerValueInt32 v3 -> Right v3
              _ -> Left (Errors.DecodingError "expected int32 value")
            _ -> Left (Errors.DecodingError "expected int32 literal")
          _ -> Left (Errors.DecodingError "expected literal")) (Lexical.stripAndDereferenceTermEither cx raw)) fieldMap cx) (\field_min -> Eithers.bind (Helpers.requireField "max" (\cx -> \raw -> Eithers.either (\err -> Left (Errors.DecodingError err)) (\stripped -> case stripped of
          Core.TermLiteral v1 -> case v1 of
            Core.LiteralInteger v2 -> case v2 of
              Core.IntegerValueInt32 v3 -> Right v3
              _ -> Left (Errors.DecodingError "expected int32 value")
            _ -> Left (Errors.DecodingError "expected int32 literal")
          _ -> Left (Errors.DecodingError "expected literal")) (Lexical.stripAndDereferenceTermEither cx raw)) fieldMap cx) (\field_max -> Right (Query.Range {
          Query.rangeMin = field_min,
          Query.rangeMax = field_max}))))
      _ -> Left (Errors.DecodingError "expected record")) (Lexical.stripAndDereferenceTermEither cx raw)

regexQuantifier :: Graph.Graph -> Core.Term -> Either Errors.DecodingError Query.RegexQuantifier
regexQuantifier cx raw =
    Eithers.either (\err -> Left (Errors.DecodingError err)) (\stripped -> case stripped of
      Core.TermUnion v0 ->
        let field = Core.injectionField v0
            fname = Core.fieldName field
            fterm = Core.fieldTerm field
            variantMap =
                    Maps.fromList [
                      (Core.Name "one", (\input -> Eithers.map (\t -> Query.RegexQuantifierOne) (Helpers.decodeUnit cx input))),
                      (Core.Name "zeroOrOne", (\input -> Eithers.map (\t -> Query.RegexQuantifierZeroOrOne) (Helpers.decodeUnit cx input))),
                      (Core.Name "zeroOrMore", (\input -> Eithers.map (\t -> Query.RegexQuantifierZeroOrMore) (Helpers.decodeUnit cx input))),
                      (Core.Name "oneOrMore", (\input -> Eithers.map (\t -> Query.RegexQuantifierOneOrMore) (Helpers.decodeUnit cx input))),
                      (Core.Name "exactly", (\input -> Eithers.map (\t -> Query.RegexQuantifierExactly t) (Eithers.either (\err -> Left (Errors.DecodingError err)) (\stripped -> case stripped of
                        Core.TermLiteral v1 -> case v1 of
                          Core.LiteralInteger v2 -> case v2 of
                            Core.IntegerValueInt32 v3 -> Right v3
                            _ -> Left (Errors.DecodingError "expected int32 value")
                          _ -> Left (Errors.DecodingError "expected int32 literal")
                        _ -> Left (Errors.DecodingError "expected literal")) (Lexical.stripAndDereferenceTermEither cx input)))),
                      (Core.Name "atLeast", (\input -> Eithers.map (\t -> Query.RegexQuantifierAtLeast t) (Eithers.either (\err -> Left (Errors.DecodingError err)) (\stripped -> case stripped of
                        Core.TermLiteral v1 -> case v1 of
                          Core.LiteralInteger v2 -> case v2 of
                            Core.IntegerValueInt32 v3 -> Right v3
                            _ -> Left (Errors.DecodingError "expected int32 value")
                          _ -> Left (Errors.DecodingError "expected int32 literal")
                        _ -> Left (Errors.DecodingError "expected literal")) (Lexical.stripAndDereferenceTermEither cx input)))),
                      (Core.Name "range", (\input -> Eithers.map (\t -> Query.RegexQuantifierRange t) (range cx input)))]
        in (Maybes.maybe (Left (Errors.DecodingError (Strings.cat [
          "no such field ",
          (Core.unName fname),
          " in union"]))) (\f -> f fterm) (Maps.lookup fname variantMap))
      _ -> Left (Errors.DecodingError "expected union")) (Lexical.stripAndDereferenceTermEither cx raw)

regexSequence :: Graph.Graph -> Core.Term -> Either Errors.DecodingError Query.RegexSequence
regexSequence cx raw =
    Eithers.either (\err -> Left (Errors.DecodingError err)) (\stripped -> case stripped of
      Core.TermRecord v0 ->
        let fieldMap = Helpers.toFieldMap v0
        in (Eithers.bind (Helpers.requireField "path" path fieldMap cx) (\field_path -> Eithers.bind (Helpers.requireField "quantifier" regexQuantifier fieldMap cx) (\field_quantifier -> Right (Query.RegexSequence {
          Query.regexSequencePath = field_path,
          Query.regexSequenceQuantifier = field_quantifier}))))
      _ -> Left (Errors.DecodingError "expected record")) (Lexical.stripAndDereferenceTermEither cx raw)

step :: Graph.Graph -> Core.Term -> Either Errors.DecodingError Query.Step
step cx raw =
    Eithers.either (\err -> Left (Errors.DecodingError err)) (\stripped -> case stripped of
      Core.TermUnion v0 ->
        let field = Core.injectionField v0
            fname = Core.fieldName field
            fterm = Core.fieldTerm field
            variantMap =
                    Maps.fromList [
                      (Core.Name "edge", (\input -> Eithers.map (\t -> Query.StepEdge t) (edge cx input))),
                      (Core.Name "project", (\input -> Eithers.map (\t -> Query.StepProject t) (Core_.projection cx input))),
                      (Core.Name "compare", (\input -> Eithers.map (\t -> Query.StepCompare t) (comparisonConstraint cx input)))]
        in (Maybes.maybe (Left (Errors.DecodingError (Strings.cat [
          "no such field ",
          (Core.unName fname),
          " in union"]))) (\f -> f fterm) (Maps.lookup fname variantMap))
      _ -> Left (Errors.DecodingError "expected union")) (Lexical.stripAndDereferenceTermEither cx raw)

triplePattern :: Graph.Graph -> Core.Term -> Either Errors.DecodingError Query.TriplePattern
triplePattern cx raw =
    Eithers.either (\err -> Left (Errors.DecodingError err)) (\stripped -> case stripped of
      Core.TermRecord v0 ->
        let fieldMap = Helpers.toFieldMap v0
        in (Eithers.bind (Helpers.requireField "subject" node fieldMap cx) (\field_subject -> Eithers.bind (Helpers.requireField "predicate" path fieldMap cx) (\field_predicate -> Eithers.bind (Helpers.requireField "object" node fieldMap cx) (\field_object -> Right (Query.TriplePattern {
          Query.triplePatternSubject = field_subject,
          Query.triplePatternPredicate = field_predicate,
          Query.triplePatternObject = field_object})))))
      _ -> Left (Errors.DecodingError "expected record")) (Lexical.stripAndDereferenceTermEither cx raw)

variable :: Graph.Graph -> Core.Term -> Either Errors.DecodingError Query.Variable
variable cx raw =
    Eithers.either (\err -> Left (Errors.DecodingError err)) (\stripped -> case stripped of
      Core.TermWrap v0 -> Eithers.map (\b -> Query.Variable b) ((\raw -> Eithers.either (\err -> Left (Errors.DecodingError err)) (\stripped -> case stripped of
        Core.TermLiteral v1 -> case v1 of
          Core.LiteralString v2 -> Right v2
          _ -> Left (Errors.DecodingError "expected string literal")
        _ -> Left (Errors.DecodingError "expected literal")) (Lexical.stripAndDereferenceTermEither cx raw)) (Core.wrappedTermBody v0))
      _ -> Left (Errors.DecodingError "expected wrapped type")) (Lexical.stripAndDereferenceTermEither cx raw)