Add pod files. Changed swift version to '4.0'. Edited readme and pods…

…pec files.

.swift-version

@@ -0,0 +1 @@
+4.0

AnyFormatKit.podspec

@@ -1,42 +1,18 @@
-#
-# Be sure to run `pod lib lint AnyFormatKit.podspec' to ensure this is a
-# valid spec before submitting.
-#
-# Any lines starting with a # are optional, but their use is encouraged
-# To learn more about a Podspec see http://guides.cocoapods.org/syntax/podspec.html
-#
-
 Pod::Spec.new do |s|
   s.name             = 'AnyFormatKit'
   s.version          = '0.1.0'
-  s.summary          = 'A short description of AnyFormatKit.'
-
-# This description is used to generate tags and improve search results.
-#   * Think: What does it do? Why did you write it? What is the focus?
-#   * Try to keep it short, snappy and to the point.
-#   * Write the description between the DESC delimiters below.
-#   * Finally, don't worry about the indent, CocoaPods strips it!
+  s.summary          = 'Simple text formatting in Swift.'
 
   s.description      = <<-DESC
-TODO: Add long description of the pod here.
+This library provide to format text with format like "## ##-###", where # - replaceble symbol. Support format all string or character by character input.
                        DESC
 
   s.homepage         = 'https://github.com/luximetr/AnyFormatKit'
-  # s.screenshots     = 'www.example.com/screenshots_1', 'www.example.com/screenshots_2'
   s.license          = { :type => 'MIT', :file => 'LICENSE' }
   s.author           = { 'luximetr' => 'alexandr.orlov@brander.ua' }
   s.source           = { :git => 'https://github.com/luximetr/AnyFormatKit.git', :tag => s.version.to_s }
-  # s.social_media_url = 'https://twitter.com/<TWITTER_USERNAME>'
 
   s.ios.deployment_target = '8.0'
 
   s.source_files = 'AnyFormatKit/Classes/**/*'
-
-  # s.resource_bundles = {
-  #   'AnyFormatKit' => ['AnyFormatKit/Assets/*.png']
-  # }
-
-  # s.public_header_files = 'Pod/Classes/**/*.h'
-  # s.frameworks = 'UIKit', 'MapKit'
-  # s.dependency 'AFNetworking', '~> 2.3'
 end

AnyFormatKit/Classes/Categories/String+Extension.swift

@@ -0,0 +1,47 @@
+//
+//  String+Extension.swift
+//  TextInput
+//
+//  Created by BRANDERSTUDIO on 23.10.2017.
+//  Copyright © 2017 BRANDERSTUDIO. All rights reserved.
+//
+
+import Foundation
+
+// MARK: - String extension
+extension String {
+  /**
+   Filter string with given regular expression
+   
+   - Parameters:
+     - regex: optional regular expression, that use for filter all symbols, that don't satisfy the RegEx
+   
+   - Returns: optional filtered string with symbols, that satify to RegEx
+  */
+  func filter(regex: String?) -> String {
+    guard let regex = regex else { return self }
+    let regexPredicate = NSPredicate(format: "SELF MATCHES %@", regex)
+    let filteredCharacters = characters.filter { (character) -> Bool in
+      regexPredicate.evaluate(with: String(character))
+    }
+    return String(filteredCharacters)
+  }
+
+  /**
+   Find and return character in string by index
+   
+   - Parameters:
+     - index: integer value, of character, that need to find
+   
+   - Returns: found character or nil
+  */
+  func characterAt(_ index: Int) -> Character? {
+    guard index < characters.count else { return nil }
+    return self[self.index(self.startIndex, offsetBy: index)]
+  }
+
+  /// Lenght of string
+  var length: Int {
+    return self.characters.count
+  }
+}

AnyFormatKit/Classes/MulticastDelegate/MulticastDelegate.swift

@@ -0,0 +1,75 @@
+//
+//  MulticastDelegate.swift
+//  TextInput
+//
+//  Created by BRANDERSTUDIO on 25.10.2017.
+//  Copyright © 2017 BRANDERSTUDIO. All rights reserved.
+//
+
+import Foundation
+
+/// Multiple delegate implementation
+public class MulticastDelegate <T> {
+  /// List of delegates
+  private let delegates: NSHashTable<AnyObject> = NSHashTable.weakObjects()
+
+  /**
+   Add delegate in list of delegates.
+   
+   - Parameters
+     - delegate: Object, that what to be delegate
+  */
+  public func add(delegate: T) {
+    delegates.add(delegate as AnyObject)
+  }
+
+  /**
+   Remove delegate from delegate list
+   
+   - Parameters:
+     - delegate: Object, that must to be deleted from delegate list
+  */
+  public func remove(delegate: T) {
+    for oneDelegate in delegates.allObjects.reversed() {
+      if oneDelegate === delegate as AnyObject {
+        delegates.remove(oneDelegate)
+      }
+    }
+  }
+
+  /**
+   Method, that used for calling delegate methods for all delegates
+   
+   - Parameters:
+     - invocation: Closure, that will call for all delegates
+  */
+  public func invoke(invocation: (T) -> ()) {
+    for delegate in delegates.allObjects.reversed() {
+      if let castedDelegate = delegate as? T {
+        invocation(castedDelegate)
+      }
+    }
+  }
+}
+
+/**
+ Overriden operator, that allow add delegate to delegate list
+ 
+ - Parameters:
+   - left: Multicast delegate, that will add new delegate for own delegate list
+   - right: Object, that wont to be delegate
+*/
+func += <T: AnyObject> (left: MulticastDelegate<T>, right: T) {
+  left.add(delegate: right)
+}
+
+/**
+ Overriden operator, that allow remove delegate from delegate list
+ 
+ - Parameters:
+   - left: Multicast delegate, that will remove delegate from own delegate list
+   - right: Object, that wont to be remove from delegate list
+*/
+func -= <T: AnyObject> (left: MulticastDelegate<T>, right: T) {
+  left.remove(delegate: right)
+}

AnyFormatKit/Classes/TextFormatter/TextFormatterProtocols/TextFormatterProtocol.swift

@@ -0,0 +1,32 @@
+//
+//  TextFormatterProtocol.swift
+//  TextInput
+//
+//  Created by BRANDERSTUDIO on 18.10.2017.
+//  Copyright © 2017 BRANDERSTUDIO. All rights reserved.
+//
+
+import Foundation
+
+/// Interface of text formatter
+public protocol TextFormatterProtocol {
+  /**
+   Formatting text with current textPattern
+   
+   - Parameters:
+     - unformatted: String, that need to be convert with current textPattern
+   
+   - Returns: Formatted text with current textPattern
+   */
+  func formattedText(from unformatted: String?) -> String?
+
+  /**
+   Method for convert string, that sutisfy current textPattern, into unformatted string
+   
+   - Parameters:
+     - formatted: String, that will convert
+   
+   - Returns: string converted into unformatted with current textPattern
+   */
+  func unformattedText(from formatted: String?) -> String?
+}

AnyFormatKit/Classes/TextFormatter/TextFormatterProtocols/TextInputFormatterProtocol.swift

@@ -0,0 +1,35 @@
+//
+//  TextInputFormatterProtocol.swift
+//  TextInput
+//
+//  Created by BRANDERSTUDIO on 18.10.2017.
+//  Copyright © 2017 BRANDERSTUDIO. All rights reserved.
+//
+
+import Foundation
+
+/// Interface for formatter of TextInput, that allow change format of text during input
+public protocol TextInputFormatterProtocol: TextFormatterProtocol {
+  /// String, that always will be at beggining of textPattern text during typing
+  var prefix: String? { get }
+
+  /// Current prefix with current format
+  var formattedPrefix: String? { get }
+
+  // Regular expression, that discript allowed characters for input
+  var allowedSymbolsRegex: String? { set get }
+
+  // MARK: - Public
+  /**
+   Method, that allow correct character by character input with specified format
+   
+   - Parameters:
+     - textInput: Object, that conform to TextInput protocol and represent input field with correcting content
+     - range: Range, that determine which symbols must to be replaced
+     - replacementString: String, that will replace old content in determined range
+   
+   - Returns: Always return false (correct of textInput's content in method's body)
+   */
+  func shouldChangeTextIn(
+    textInput: TextInput, range: NSRange, replacementString text: String) -> Bool
+}

AnyFormatKit/Classes/TextFormatter/TextInputFormatters/TextFormatter.swift

@@ -0,0 +1,95 @@
+//
+//  TextFormatter.swift
+//  TextInput
+//
+//  Created by BRANDERSTUDIO on 23.10.2017.
+//  Copyright © 2017 BRANDERSTUDIO. All rights reserved.
+//
+
+import Foundation
+
+public class TextFormatter: TextFormatterProtocol {
+  // MARK: - Fields
+
+  /// String, that will use for formatting of string replacing patter symbol, example: patternSymbol - "#", format - "### (###) ###-##-##"
+  public let textPattern: String
+
+  /// Symbol that will be replace by input symbols
+  public let patternSymbol: Character
+
+  // MARK: - Init
+  /**
+   Initializes formatter with pattern
+   
+   - Parameters:
+     - textPatterm: String, that will use for formatting of string replacing patter symbol
+     - patternSymbol: Character, that will be replaced by input characters in textPattern
+  */
+  public init(textPattern: String,
+       patternSymbol: Character = TextFormatterConstants.defaultPatternSymbol) {
+    self.textPattern = textPattern
+    self.patternSymbol = patternSymbol
+  }
+
+  // MARK: - TextFormatterProtocol
+  /**
+   Formatting text with current textPattern
+   
+   - Parameters:
+     - unformatted: String, that need to be convert with current textPattern
+   
+   - Returns: Formatted text with current textPattern
+  */
+  public func formattedText(from unformatted: String?) -> String? {
+    guard let unformatted = unformatted else { return nil }
+    var formatted = String.init()
+    var unformattedIndex = 0
+    var patternIndex = 0
+
+    while patternIndex < textPattern.length && unformattedIndex < unformatted.length {
+      guard let patternCharacter = textPattern.characterAt(patternIndex) else { break }
+      if patternCharacter == patternSymbol {
+        if let unformattedCharacter = unformatted.characterAt(unformattedIndex) {
+          formatted.append(unformattedCharacter)
+        }
+        unformattedIndex += 1
+      } else {
+        formatted.append(patternCharacter)
+      }
+      patternIndex += 1
+    }
+    return formatted
+  }
+
+  /**
+   Method for convert string, that sutisfy current textPattern, into unformatted string
+   
+   - Parameters:
+     - formatted: String, that will convert
+   
+   - Returns: string converted into unformatted with current textPattern
+  */
+  public func unformattedText(from formatted: String?) -> String? {
+    guard let formatted = formatted else { return nil }
+    var unformatted = String()
+    var formattedIndex = 0
+
+    while formattedIndex < formatted.length {
+      if let formattedCharacter = formatted.characterAt(formattedIndex) {
+        if formattedIndex >= textPattern.length {
+          unformatted.append(formattedCharacter)
+        } else if formattedCharacter != textPattern.characterAt(formattedIndex) {
+          unformatted.append(formattedCharacter)
+        }
+        formattedIndex += 1
+      }
+    }
+    return unformatted
+  }
+}
+
+// MARK: - Constants
+public struct TextFormatterConstants {
+  /// default pattern symbol in textPattern
+  public static let defaultPatternSymbol: Character = "#"
+}