Basic untyped dict decoding

This is currently very badly written, mostly as a POC at this stage.
SwiftcordApp · Jun 8, 2022 · dfc5803 · dfc5803
1 parent 7b66924
commit dfc5803
Show file tree

Hide file tree

Showing 7 changed files with 596 additions and 6 deletions.
diff --git a/.swiftpm/xcode/xcshareddata/xcschemes/ETFKit.xcscheme b/.swiftpm/xcode/xcshareddata/xcschemes/ETFKit.xcscheme
@@ -0,0 +1,91 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "1340"
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "ETFKit"
+               BuildableName = "ETFKit"
+               BlueprintName = "ETFKit"
+               ReferencedContainer = "container:">
+            </BuildableReference>
+         </BuildActionEntry>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "NO"
+            buildForArchiving = "NO"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "ETFKitTests"
+               BuildableName = "ETFKitTests"
+               BlueprintName = "ETFKitTests"
+               ReferencedContainer = "container:">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES">
+      <Testables>
+         <TestableReference
+            skipped = "NO">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "ETFKitTests"
+               BuildableName = "ETFKitTests"
+               BlueprintName = "ETFKitTests"
+               ReferencedContainer = "container:">
+            </BuildableReference>
+         </TestableReference>
+      </Testables>
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES">
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Release"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "ETFKit"
+            BuildableName = "ETFKit"
+            BlueprintName = "ETFKit"
+            ReferencedContainer = "container:">
+         </BuildableReference>
+      </MacroExpansion>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>
diff --git a/README.md b/README.md
@@ -1,3 +1,5 @@
 # ETFKit
 
-A description of this package.
+Decode/encode Erlang External Term format (ETF) version 131. 
+
+> This is a work in progress.
diff --git a/Sources/ETFKit/Decoder/ETFDecoder.swift b/Sources/ETFKit/Decoder/ETFDecoder.swift
@@ -0,0 +1,37 @@
+//
+//  ETFDecoder.swift
+//  
+//
+//  Created by Vincent Kwok on 8/6/22.
+//
+
+import Foundation
+
+open class ETFDecoder {
+    open func decode<T>(_ type: T.Type, from data: Data) throws -> T where T : Decodable {
+        return try type.init(from: _ETFDecoder())
+    }
+}
+
+internal class _ETFDecoder: Decoder {
+    internal(set) public var codingPath: [CodingKey]
+
+    /// Contextual user-provided information for use during encoding.
+    public var userInfo: [CodingUserInfoKey : Any] = [:]
+
+    func container<Key>(keyedBy: Key.Type) throws -> KeyedDecodingContainer<Key> {
+        fatalError()
+    }
+
+    func singleValueContainer() throws -> SingleValueDecodingContainer {
+        fatalError()
+    }
+
+    func unkeyedContainer() throws -> UnkeyedDecodingContainer {
+        fatalError()
+    }
+
+    init(at codingPath: [CodingKey] = []) {
+        self.codingPath = codingPath
+    }
+}