add read capability for metadata (wip)

CSBiology · Jun 11, 2024 · 151ee0d · 151ee0d
1 parent 5031507
commit 151ee0d
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diff --git a/src/YAMLicious/Reader.fs b/src/YAMLicious/Reader.fs
@@ -42,6 +42,30 @@ let isSequenceElement = fun e -> match e with | Intendation _ | SequenceMinusOpe
 let private tokenize (yamlList: PreprocessorElement list) (stringDict: Dictionary<int, string>) (commentDict: Dictionary<int, string>) =
     let rec loopRead (restlist: PreprocessorElement list) (acc: YAMLElement list) : YAMLElement =
         match restlist with
+        | SchemaNamespace v::Intendation yamlAstList::rest0 -> //create/appendSequenceElement
+            //printfn "[tokenize] Case1"
+            let objectList = 
+                PreprocessorElement.Line v.Key::yamlAstList
+            let sequenceElements = rest0 |> Seq.takeWhile isSequenceElement |> Seq.toList |> collectSequenceElements
+            let rest = rest0 |> Seq.skipWhile isSequenceElement |> Seq.toList
+            let current =
+                YAMLElement.Sequence [
+                    loopRead objectList []
+                    for i in sequenceElements do
+                        loopRead i []
+                ]
+            loopRead rest (current::acc)
+        | SchemaNamespace v::rest0 -> //create/appendSequenceElement
+            //printfn "[tokenize] Case2"
+            let sequenceElements = rest0 |> Seq.takeWhile isSequenceElement |> Seq.toList |> collectSequenceElements
+            let rest = rest0 |> Seq.skipWhile isSequenceElement |> Seq.toList
+            let current =
+                YAMLElement.Sequence [
+                    loopRead [PreprocessorElement.Line v.Key] []
+                    for i in sequenceElements do
+                        loopRead i []
+                ]
+            loopRead rest (current::acc)
         // Example1: 
         // - My Value 1 <c f=1/>
         //   My Value 2

diff --git a/tests/YAMLicious.Tests/Tests.YamlRead.fs b/tests/YAMLicious.Tests/Tests.YamlRead.fs
@@ -205,4 +205,28 @@ My Key:
         ]
         let actual = Reader.read yaml
         Expect.equal actual expected ""
+
+    testCase "Namespaces" <| fun _ ->
+        let yaml = """
+$namespaces:
+  arc: https://github.com/nfdi4plants/ARC_ontology
+  test: https://github.com/nfdi4plants/TEST_ontology
+"""
+        let expected = YAMLElement.Object [
+            YAMLElement.Sequence[
+                YAMLElement.Object [
+                    YAMLElement.Value(YAMLContent.create("namespaces"));
+                    YAMLElement.Mapping(
+                        YAMLContent.create("arc"),
+                        YAMLElement.Value(YAMLContent.create("https://github.com/nfdi4plants/ARC_ontology"))
+                    );
+                    YAMLElement.Mapping(
+                        YAMLContent.create("test"),
+                        YAMLElement.Value(YAMLContent.create("https://github.com/nfdi4plants/TEST_ontology"))
+                    )
+                ]
+            ]
+        ]
+        let actual = Reader.read yaml
+        Expect.equal actual expected ""
 ]