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DataConverter.swift
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DataConverter.swift
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//
// DataConverter.swift
// CouchbaseLite
//
// Copyright (c) 2017 Couchbase, Inc All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
import Foundation
import CouchbaseLiteSwift_Private
/* internal */ class DataConverter {
static func convertGETValue(_ value: Any?) -> Any? {
switch value {
case let impl as CBLMutableDictionary:
if let dict = impl.swiftObject {
return dict
}
return MutableDictionaryObject(impl)
case let impl as CBLMutableArray:
if let array = impl.swiftObject {
return array
}
return MutableArrayObject(impl)
case let impl as CBLDictionary:
if let dict = impl.swiftObject {
return dict
}
return DictionaryObject(impl)
case let impl as CBLNewDictionary:
if let dict = impl.swiftObject {
return dict
}
return DictionaryObject(impl)
case let impl as CBLArray:
if let array = impl.swiftObject {
return array
}
return ArrayObject(impl)
case let impl as CBLBlob:
if let blob = impl.swiftObject {
return blob
}
return Blob(impl)
default:
return value
}
}
static func convertSETValue(_ value: Any?) -> Any? {
switch value {
case let dict as DictionaryObject:
return dict.impl
case let array as ArrayObject:
return array.impl
case let blob as Blob:
return blob.impl
case let dict as Dictionary<String, Any>:
return convertSETDictionary(dict)
case let array as Array<Any>:
return convertSETArray(array)
default:
return value
}
}
static func convertSETDictionary(_ dictionary: [String: Any]?) -> [String: Any] {
guard let dict = dictionary else {
return [:]
}
var result: [String: Any] = [:]
for (key, value) in dict {
result[key] = DataConverter.convertSETValue(value)
}
return result
}
static func convertSETArray(_ array: [Any]?) -> [Any] {
guard let a = array else {
return []
}
var result: [Any] = [];
for v in a {
result.append(DataConverter.convertSETValue(v)!)
}
return result
}
static func toPlainObject(_ value: Any?) -> Any? {
switch value {
case let v as DictionaryObject:
return v.toDictionary()
case let v as ArrayObject:
return v.toArray()
default:
return value
}
}
}