descorp’s gists

descorp / Event.swift

Created November 22, 2019 13:44

Swift's C#-like events

	import Foundation

	public protocol Invocable: class {
	func invoke(_ notification: String, _ data: Any)
	}

	public protocol Observer: Invocable {
	associatedtype Value
	typealias Callback = (_ notification: String, _ data: Value) -> Void
	var callback: Callback { get }

descorp / BaseTableHandler.swift

Created November 22, 2019 13:39

Swift Universal Table handlers: allows to load and manage table collections for single type and multiple types of cells

	import UIKit

	class BaseTableHandler<T> : NSObject, UITableViewDelegate, UITableViewDataSource {
	typealias TableSection = (name: String?, items: [T])
	typealias Action = (T)->Void

	var collection: [TableSection] = []
	weak var table: UITableView?

	private let selectAction: Action?

descorp / TagCloudCollectionView.swift

Created November 22, 2019 13:33

Swift TagCloudCollectionView

	//: A UIKit based Playground for presenting user interface

	import UIKit
	import PlaygroundSupport

	class EdgeInsetLabel: UILabel {
	private let textInsets: UIEdgeInsets

	init(inset: UIEdgeInsets) {
	textInsets = inset

descorp / TableCellGenerator.swift

Last active October 19, 2019 21:44

	public protocol TableCellGenerator: class {

	var identifier: UITableViewCell.Type { get }
	var cellHeight: CGFloat { get }
	var estimatedCellHeight: CGFloat? { get }

	func generate(tableView: UITableView, for indexPath: IndexPath) -> UITableViewCell
	func registerCell(in tableView: UITableView)
	}

descorp / TestExtension.swift

Created October 19, 2019 21:40

	extension XCTest {
	func expectToEventually(_ test: @autoclosure () -> Bool, timeout: TimeInterval = 1.0, message: String = "") {
	let runLoop = RunLoop.current
	let timeoutDate = Date(timeIntervalSinceNow: timeout)
	repeat {
	// 1
	if test() {
	return
	}
	// 2

descorp / DecimalExtension.swift

Created October 24, 2018 13:10

Float Precision

	extension Decimal {
	init(value: NSNumber, precision: Int) {
	let exponent = pow(10.0, Double(precision))
	let mantisa = Decimal((value.doubleValue * exponent).rounded())
	let sign = value.floatValue > 0 ? FloatingPointSign.plus : FloatingPointSign.minus
	self = Decimal(sign: sign, exponent: -precision, significand: mantisa)
	}
	}

descorp / Compare.m

Last active September 26, 2018 15:14

Date Extension

	- (NSComparisonResult)compareDatesWith:(NSDate*)otherDate {
	NSCalendar* calendar = [NSCalendar currentCalendar];

	unsigned unitFlags = NSCalendarUnitYear \| NSCalendarUnitMonth \| NSCalendarUnitDay;
	NSDateComponents* comp1 = [calendar components:unitFlags fromDate:self];
	NSDateComponents* comp2 = [calendar components:unitFlags fromDate:otherDate];
	NSInteger comparison = [comp1 year] * 10000 + [comp1 month] * 100 + [comp1 day] -
	([comp2 year] * 10000 + [comp2 month] * 100 + [comp2 day]);

	return comparison > 0 ? NSOrderedDescending : comparison < 0 ? NSOrderedAscending : NSOrderedSame;

descorp / JSONCleaner.m

Last active July 13, 2018 13:54

	@implementation JsonCleaner

	- (NSDictionary)clearJsonDictionaryFromPrivateProperties:(NSDictionary)jsonDictionary {
	NSMutableDictionary *tempDict = [NSMutableDictionary dictionaryWithDictionary:jsonDictionary];
	for (NSString* key in tempDict.allKeys) {
	if ([tempDict[key] isKindOfClass:NSDictionary.class]) {
	tempDict[key] = [self clearJsonDictionaryFromPrivateProperties:tempDict[key]];
	} else if ([tempDict[key] isKindOfClass:NSArray.class] &&
	[tempDict[key][0] isKindOfClass:NSDictionary.class]) {
	NSMutableArray *array = [NSMutableArray array];

descorp / DtoPrinter.swift

Created July 10, 2018 10:00

DTO printer


	import Foundation
	import PortfolioSummaryClient

	protocol ClassInfo : CustomDebugStringConvertible {
	var className: String { get }
	var properties: String { get }
	}

	extension NSObject : ClassInfo {

descorp / Array_profiler.cs

Last active October 20, 2017 09:16

Xamarin iOS Array profiler

	public interface IProfilable {
	TimeSpan MeasureWrite();
	TimeSpan MeasureRead();
	TimeSpan MeasureFind();
	}

	public class Result {
	public Measurement[] measurements;

	public Result(params Measurement[] array) {

Vladimir Abramichev descorp