Add UnkeyedDecodingContainer

* Handle arrays in KeyedDecodingContainer and ETFDecoder * Remove redundent doc comments
SwiftcordApp · Jun 10, 2022 · a534dd8 · a534dd8
1 parent 7e7aca3
commit a534dd8
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Showing 6 changed files with 374 additions and 276 deletions.
diff --git a/Sources/ETFKit/Decoder/ETFDecoder.swift b/Sources/ETFKit/Decoder/ETFDecoder.swift
@@ -22,32 +22,39 @@ open class ETFDecoder {
 }
 
 internal class _ETFDecoder: Decoder {
-    internal(set) public var codingPath: [CodingKey] = []
+    internal(set) public var codingPath: [CodingKey]
 
     /// Contextual user-provided information for use during encoding.
     public var userInfo: [CodingUserInfoKey : Any] = [:]
-    
+
     internal let decoded: Any?
 
     func container<Key>(keyedBy: Key.Type) throws -> KeyedDecodingContainer<Key> {
         guard let decoded = decoded as? [String : Any?] else {
             throw DecodingError.typeMismatch(
-                [String : Any].self,
-                .init(codingPath: codingPath, debugDescription: "ETF data top level is not a map")
+                [String : Any?].self,
+                .init(codingPath: codingPath, debugDescription: "Top level data type is not a map")
             )
         }
         return KeyedDecodingContainer(_ETFKeyedDecodingContainer(with: decoded, referencing: self))
     }
 
     func singleValueContainer() throws -> SingleValueDecodingContainer {
-        return self
+        self
     }
 
     func unkeyedContainer() throws -> UnkeyedDecodingContainer {
-        fatalError()
+        guard let decoded = decoded as? [Any?] else {
+            throw DecodingError.typeMismatch(
+                [Any?].self,
+                .init(codingPath: codingPath, debugDescription: "Top level data type is not a list")
+            )
+        }
+        return _ETFUnkeyedDecodingContainer(with: decoded, referencing: self)
     }
 
-    init(with decoded: Any?) {
+    init(with decoded: Any?, at codingPath: [CodingKey] = []) {
         self.decoded = decoded
+        self.codingPath = codingPath
     }
 }