Swift 1.2

Cartfile

@@ -1 +1,2 @@
-github "LlamaKit/LlamaKit" ~> 0.5
+github "felixjendrusch/ValueTransformer" ~> 2.2
+github "robb/Monocle" ~> 0.0.1

Cartfile.private

@@ -1,2 +1,2 @@
-github "Quick/Quick" ~> 0.2
-github "Quick/Nimble" ~> 0.3
+github "Quick/Quick" ~> 0.3
+github "Quick/Nimble" ~> 0.4

Cartfile.resolved

@@ -1,3 +1,6 @@
-github "LlamaKit/LlamaKit" "v0.5.0"
-github "Quick/Nimble" "v0.3.1"
-github "Quick/Quick" "v0.2.3"
+github "robrix/Box" "1.2.1"
+github "robb/Monocle" "0.0.1"
+github "Quick/Nimble" "v0.4.2"
+github "Quick/Quick" "v0.3.1"
+github "antitypical/Result" "0.4"
+github "felixjendrusch/ValueTransformer" "2.2.0"

LICENSE

@@ -19,26 +19,3 @@ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 SOFTWARE.
-
----
-
-This project uses portions of code written by Robert Böhnke,
-copyright (c) 2015 Robert Böhnke <robb@robb.is>
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.

Pistachio/AdapterType.swift

@@ -0,0 +1,7 @@
+//  Copyright (c) 2015 Felix Jendrusch. All rights reserved.
+
+import ValueTransformer
+
+public protocol AdapterType: ReversibleValueTransformerType {
+
+}

Pistachio/DictionaryAdapter.swift

@@ -0,0 +1,53 @@
+//  Copyright (c) 2015 Felix Jendrusch. All rights reserved.
+
+import Result
+import ValueTransformer
+import Monocle
+
+public struct DictionaryAdapter<Key: Hashable, Value, TransformedValue, Error>: AdapterType {
+    public typealias Specification = [Key: Lens<Result<Value, Error>, Result<TransformedValue, Error>>]
+    private let specification: Specification
+
+    public typealias DictionaryTransformer = ReversibleValueTransformer<[Key: TransformedValue], TransformedValue, Error>
+    private let dictionaryTransformer: DictionaryTransformer
+
+    public typealias ValueClosure = TransformedValue -> Result<Value, Error>
+    private let valueClosure: ValueClosure
+
+    public init(specification: Specification, dictionaryTransformer: DictionaryTransformer, valueClosure: ValueClosure) {
+        self.specification = specification
+        self.dictionaryTransformer = dictionaryTransformer
+        self.valueClosure = valueClosure
+    }
+
+    public init(specification: Specification, dictionaryTransformer: DictionaryTransformer, @autoclosure(escaping) value: () -> Value) {
+        self.init(specification: specification, dictionaryTransformer: dictionaryTransformer, valueClosure: { _ in
+            return Result.success(value())
+        })
+    }
+
+    public func transform(value: Value) -> Result<TransformedValue, Error> {
+        return reduce(specification, Result.success([:])) { (result, element) in
+            let (key, lens) = element
+            return result.flatMap { (var dictionary) in
+                return get(lens, Result.success(value)).map { value in
+                    dictionary[key] = value
+                    return dictionary
+                }
+            }
+        }.flatMap { dictionary in
+            return dictionaryTransformer.transform(dictionary)
+        }
+    }
+
+    public func reverseTransform(transformedValue: TransformedValue) -> Result<Value, Error> {
+        return dictionaryTransformer.reverseTransform(transformedValue).flatMap { dictionary in
+            return reduce(self.specification, self.valueClosure(transformedValue)) { (result, element) in
+                let (key, lens) = element
+                return map(dictionary[key]) { value in
+                    return set(lens, result, Result.success(value))
+                } ?? result
+            }
+        }
+    }
+}

Pistachio/Extensions/LensExtensions.swift

@@ -0,0 +1,37 @@
+//  Copyright (c) 2015 Felix Jendrusch. All rights reserved.
+
+import Result
+import ValueTransformer
+import Monocle
+
+// MARK: - Lift
+
+public func lift<A, B, E>(lens: Lens<A, B>) -> Lens<Result<A, E>, Result<B, E>> {
+    let get: Result<A, E> -> Result<B, E> = { a in
+        return a.map(Monocle.get(lens))
+    }
+
+    let set: (Result<A, E>, Result<B, E>) -> Result<A, E> = { a, b in
+        return a.flatMap { a in b.map { b in Monocle.set(lens, a, b) } }
+    }
+
+    return Lens(get: get, set: set)
+}
+
+// MARK: - Map
+
+public func map<A, V: ReversibleValueTransformerType>(lens: Lens<A, V.ValueType>, reversibleValueTransformer: V) -> Lens<Result<A, V.ErrorType>, Result<V.TransformedValueType, V.ErrorType>> {
+    return map(lift(lens), reversibleValueTransformer)
+}
+
+public func map<A, V: ReversibleValueTransformerType>(lens: Lens<Result<A, V.ErrorType>, Result<V.ValueType, V.ErrorType>>, reversibleValueTransformer: V) -> Lens<Result<A, V.ErrorType>, Result<V.TransformedValueType, V.ErrorType>> {
+    let get: Result<A, V.ErrorType> -> Result<V.TransformedValueType, V.ErrorType> = { a in
+        return Monocle.get(lens, a).flatMap(transform(reversibleValueTransformer))
+    }
+
+    let set: (Result<A, V.ErrorType>, Result<V.TransformedValueType, V.ErrorType>) -> Result<A, V.ErrorType> = { a, c in
+        return Monocle.set(lens, a, c.flatMap(reverseTransform(reversibleValueTransformer)))
+    }
+
+    return Lens(get: get, set: set)
+}

Pistachio/LazyAdapter.swift

@@ -0,0 +1,25 @@
+//  Copyright (c) 2015 Felix Jendrusch. All rights reserved.
+
+import Result
+
+public struct LazyAdapter<A: AdapterType>: AdapterType {
+    private let adapter: () -> A
+
+    public init(@autoclosure(escaping) adapter: () -> A) {
+        self.adapter = adapter
+    }
+
+    public func transform(value: A.ValueType) -> Result<A.TransformedValueType, A.ErrorType> {
+        return adapter().transform(value)
+    }
+
+    public func reverseTransform(transformedValue: A.TransformedValueType) -> Result<A.ValueType, A.ErrorType> {
+        return adapter().reverseTransform(transformedValue)
+    }
+}
+
+// MARK: - Fix
+
+public func fix<A: AdapterType>(f: LazyAdapter<A> -> A) -> A {
+    return f(LazyAdapter(adapter: fix(f)))
+}