Finish DU parsing (#151)

This commit is contained in:
Patrick Stevens
2024-05-30 22:27:15 +01:00
committed by GitHub
parent 81b7e5361d
commit b98080690d
5 changed files with 310 additions and 48 deletions

View File

@@ -378,3 +378,83 @@ module JsonRecordTypeWithBothJsonParseExtension =
E = arg_4
F = arg_5
}
namespace ConsumePlugin
/// Module containing JSON parsing extension members for the FirstDu type
[<AutoOpen>]
module FirstDuJsonParseExtension =
/// Extension methods for JSON parsing
type FirstDu with
/// Parse from a JSON node.
static member jsonParse (node : System.Text.Json.Nodes.JsonNode) : FirstDu =
let ty =
(match node.["type"] with
| null ->
raise (
System.Collections.Generic.KeyNotFoundException (
sprintf "Required key '%s' not found on JSON object" ("type")
)
)
| v -> v)
|> (fun v -> v.GetValue<string> ())
match ty with
| "emptyCase" -> FirstDu.EmptyCase
| "case1" ->
let node =
(match node.["data"] with
| null ->
raise (
System.Collections.Generic.KeyNotFoundException (
sprintf "Required key '%s' not found on JSON object" ("data")
)
)
| v -> v)
FirstDu.Case1 (
(match node.["data"] with
| null ->
raise (
System.Collections.Generic.KeyNotFoundException (
sprintf "Required key '%s' not found on JSON object" ("data")
)
)
| v -> v)
.AsValue()
.GetValue<string> ()
)
| "case2" ->
let node =
(match node.["data"] with
| null ->
raise (
System.Collections.Generic.KeyNotFoundException (
sprintf "Required key '%s' not found on JSON object" ("data")
)
)
| v -> v)
FirstDu.Case2 (
JsonRecordTypeWithBoth.jsonParse (
match node.["record"] with
| null ->
raise (
System.Collections.Generic.KeyNotFoundException (
sprintf "Required key '%s' not found on JSON object" ("record")
)
)
| v -> v
),
(match node.["i"] with
| null ->
raise (
System.Collections.Generic.KeyNotFoundException (
sprintf "Required key '%s' not found on JSON object" ("i")
)
)
| v -> v)
.AsValue()
.GetValue<int> ()
)
| v -> failwith ("Unrecognised 'type' field value: " + v)