dictionary extension

MVMCore/MVMCore.xcodeproj/project.pbxproj

@@ -21,6 +21,7 @@
 /* End PBXAggregateTarget section */
 
 /* Begin PBXBuildFile section */
+		01DF561421F90ADC00CC099B /* Dictionary+MFConvenience.swift in Sources */ = {isa = PBXBuildFile; fileRef = 01DF561321F90ADC00CC099B /* Dictionary+MFConvenience.swift */; };
 		30349BF11FCCA78A00546A1E /* MVMCoreSessionTimeHandler.h in Headers */ = {isa = PBXBuildFile; fileRef = 30349BEF1FCCA78A00546A1E /* MVMCoreSessionTimeHandler.h */; settings = {ATTRIBUTES = (Public, ); }; };
 		30349BF21FCCA78A00546A1E /* MVMCoreSessionTimeHandler.m in Sources */ = {isa = PBXBuildFile; fileRef = 30349BF01FCCA78A00546A1E /* MVMCoreSessionTimeHandler.m */; };
 		881D26931FCC9D180079C521 /* MVMCoreErrorObject.m in Sources */ = {isa = PBXBuildFile; fileRef = 881D268F1FCC9D180079C521 /* MVMCoreErrorObject.m */; };
@@ -142,6 +143,7 @@
 /* End PBXBuildFile section */
 
 /* Begin PBXFileReference section */
+		01DF561321F90ADC00CC099B /* Dictionary+MFConvenience.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "Dictionary+MFConvenience.swift"; sourceTree = "<group>"; };
 		0A11030B20864F94008ADD90 /* es */ = {isa = PBXFileReference; lastKnownFileType = text.plist.strings; name = es; path = es.lproj/Localizable.strings; sourceTree = "<group>"; };
 		0A11030C20864F9A008ADD90 /* es-MX */ = {isa = PBXFileReference; lastKnownFileType = text.plist.strings; name = "es-MX"; path = "es-MX.lproj/Localizable.strings"; sourceTree = "<group>"; };
 		30349BEF1FCCA78A00546A1E /* MVMCoreSessionTimeHandler.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = MVMCoreSessionTimeHandler.h; sourceTree = "<group>"; };
@@ -339,6 +341,7 @@
 		8876D5D91FB50AB000EB2E3D /* Categories */ = {
 			isa = PBXGroup;
 			children = (
+				01DF561321F90ADC00CC099B /* Dictionary+MFConvenience.swift */,
 				8876D5DA1FB50AB000EB2E3D /* NSArray+MFConvenience.h */,
 				8876D5DB1FB50AB000EB2E3D /* NSArray+MFConvenience.m */,
 				8876D5DC1FB50AB000EB2E3D /* NSDecimalNumber+MFConvenience.h */,
@@ -689,6 +692,7 @@
 				TargetAttributes = {
 					8876D5C81FB50A9E00EB2E3D = {
 						CreatedOnToolsVersion = 9.1;
+						LastSwiftMigration = 1010;
 						ProvisioningStyle = Automatic;
 					};
 					AF954914206EAEAD000095EC = {
@@ -788,6 +792,7 @@
 				8876D5F51FB50AB000EB2E3D /* UILabel+MFCustom.m in Sources */,
 				AFBB96B31FBA3B590008D868 /* MVMCoreGetterUtility.m in Sources */,
 				AF43A7071FC4D7A2008E9347 /* MVMCoreObject.m in Sources */,
+				01DF561421F90ADC00CC099B /* Dictionary+MFConvenience.swift in Sources */,
 				AFBB96B11FBA3B590008D868 /* MVMCoreDispatchUtility.m in Sources */,
 				AFBB965B1FBA3A570008D868 /* FreeBeeUrlObject.m in Sources */,
 				AFEA17A9209B6A1C00BC6740 /* MVMCoreBlockOperation.m in Sources */,
@@ -934,6 +939,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				BITCODE_GENERATION_MODE = bitcode;
+				CLANG_ENABLE_MODULES = YES;
 				CODE_SIGN_IDENTITY = "";
 				CODE_SIGN_STYLE = Automatic;
 				DEFINES_MODULE = YES;
@@ -951,6 +957,8 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.vzw.MVMCore;
 				PRODUCT_NAME = "$(TARGET_NAME:c99extidentifier)";
 				SKIP_INSTALL = YES;
+				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+				SWIFT_VERSION = 4.2;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Debug;
@@ -959,6 +967,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				BITCODE_GENERATION_MODE = bitcode;
+				CLANG_ENABLE_MODULES = YES;
 				CODE_SIGN_IDENTITY = "";
 				CODE_SIGN_STYLE = Automatic;
 				DEFINES_MODULE = YES;
@@ -975,6 +984,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.vzw.MVMCore;
 				PRODUCT_NAME = "$(TARGET_NAME:c99extidentifier)";
 				SKIP_INSTALL = YES;
+				SWIFT_VERSION = 4.2;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Release;

MVMCore/MVMCore/Categories/Dictionary+MFConvenience.swift

@@ -0,0 +1,174 @@
+//
+//  Dictionary+MFConvenience.swift
+//  mobilefirst
+//
+//  Created by Seshamani, Shreyas on 1/5/17.
+//  Copyright © 2017 Verizon Wireless. All rights reserved.
+//
+
+import Foundation
+
+public extension Dictionary {
+    
+    /// Returns a Dictionary using the specified chain. An empty dictionary is returned if a dictionary for the chain does not exist
+    public func dictionaryWithChainOfKeysOrIndexes(_ keysOrIndexes: [Any]) -> [String : Any] {
+        
+        guard let dictionary = optionalDictionaryWithChainOfKeysOrIndexes(keysOrIndexes) else {
+            return [:]
+        }
+        return dictionary
+    }
+    
+    /// Returns an optional Dictionary using the specified chain. Returns nil if a dictionary for the chain does not exist
+    public func optionalDictionaryWithChainOfKeysOrIndexes (_ keysOrIndexes: [Any]) -> [String : Any]? {
+        
+        return objectChainOfKeysOrIndexes(keysOrIndexes) as? [String: Any]
+    }
+    
+    public func optionalDictionaryForKey(_ key: String) -> [String : Any]? {
+        
+        return objectChainOfKeysOrIndexes([key]) as? [String: Any]
+    }
+    
+    /// Returns a String using the specified chain. An empty string is returned if a string for the chain does not exist
+    public func stringWithChainOfKeysOrIndexes(_ keysOrIndexes:[Any]) -> String {
+        
+        guard let string = objectChainOfKeysOrIndexes(keysOrIndexes) as? String else {
+            return ""
+        }
+        return string
+    }
+    
+    public func stringOptionalWithChainOfKeysOrIndexes(_ keysOrIndexes:[Any]) -> String? {
+        return objectChainOfKeysOrIndexes(keysOrIndexes) as? String
+    }
+    
+    /// Returns an Array using the specified chain. Returns an empty array if an array for the chain does not exist
+    public func arrayForChainOfKeysOrIndexes(_ keysOrIndexes: [Any]) -> [Any] {
+        
+        guard let array = objectChainOfKeysOrIndexes(keysOrIndexes) as? [Any] else {
+            return []
+        }
+        return array
+    }
+    
+    /// Returns a Dictionary after looking up the specified key. An empty dictionary is returned if a dictionary for the key does not exist
+    public func dictionaryForKey(_ key : String) -> [String : Any] {
+        
+        return dictionaryWithChainOfKeysOrIndexes([key])
+    }
+    
+    /// Returns a String after looking up the specified key. An empty string will be returned if a string for the key does not exist
+    public func stringForkey(_ key: String) -> String {
+        
+        return stringWithChainOfKeysOrIndexes([key])
+    }
+    
+    /// Returns a String after looking up the specified key. Nil will be returned if a string for the key does not exist
+    public func optionalStringForKey(_ key: String) -> String? {
+        return objectChainOfKeysOrIndexes([key]) as? String
+    }
+    
+    
+    /// Returns an Array after looking up the specified key. An empty array will be returned if an array for the key does not exist
+    public func arrayForKey(_ key : String) -> [Any] {
+        
+        return arrayForChainOfKeysOrIndexes([key])
+    }
+    
+    /// Return a Bool after looking up the specified key. This will return false if the key does not exist
+    public func boolForKey(_ key : String) -> Bool {
+        
+        guard let bool = objectChainOfKeysOrIndexes([key]) as? Bool else {
+            return false
+        }
+        return bool
+    }
+    
+    /// Return a Bool after looking up the specified key. This will return false if the key does not exist
+    public func optionalBoolForKey(_ key : String) -> Bool? {
+        
+        guard let bool = objectChainOfKeysOrIndexes([key]) as? Bool else {
+            return nil
+        }
+        return bool
+    }
+    
+    public func lenientBoolForKey(_ key: String) -> Bool {
+        guard let key = key as? Key, let object = self[key] else {
+            return false
+        }
+        if let object = object as? NSNumber {
+            return object.boolValue
+        } else if let object = object as? NSString {
+            return object.boolValue
+        }
+        return false
+    }
+    
+    public func boolForChainOfKeysOrIndexes(_ keysOrIndexes:[Any])-> Bool {
+        guard let bool = objectChainOfKeysOrIndexes(keysOrIndexes) as? Bool else {
+            return false
+        }
+        return bool
+    }
+    
+    /// Return a float from a string created by looking up the specified key. This will return 0.0 if the key does not exist
+    public func floatForKey(_ key: String) -> Float {
+        
+        guard let floatValue = objectChainOfKeysOrIndexes([key]) as? Float else {
+            return 0.0
+        }
+    
+        return floatValue
+    }
+    
+    public func floatFromStringForKey(_ key:String) -> Float {
+        
+        let stringValue = stringForkey(key)
+        
+        guard let floatValue = Float(stringValue) else {
+            return 0.0
+        }
+        
+        return floatValue
+    }
+    
+    
+    public func int32ForKey(_ key:String) -> Int32 {
+        
+        guard let intValue = objectChainOfKeysOrIndexes([key]) as? Int32 else {
+            return 0
+        }
+        
+        return intValue
+    }
+    
+    private func objectChainOfKeysOrIndexes(_ keysOrIndexes:[Any]) -> Any? {
+        
+        var previousObject : Any? = self
+        
+        for keyOrIndex in keysOrIndexes {
+            
+            if let nextDictionary = previousObject as? [String:Any],
+                let keyOrIndex = keyOrIndex as? String {
+                
+                previousObject = nextDictionary[keyOrIndex]
+                continue
+            }
+                
+            else if let nextArray = previousObject as? [Any],
+                let keyOrIndex = keyOrIndex as? Int {
+                
+                previousObject = nextArray[keyOrIndex]
+                continue
+            }
+            else {
+                previousObject = nil
+                break
+            }
+        }
+        
+        return previousObject
+    }
+}