Chen Hongzhi chen-hongzhi

chen-hongzhi / Set.swift

Last active July 16, 2021 14:21

An implementation of a Set collection in Swift

	//
	// Set.swift
	// Hover
	//
	// Created by Chen Hongzhi on 7/12/14.
	// Copyright (c) 2014 One Artisan. All rights reserved.
	//

	import Foundation

chen-hongzhi / gist:6201369

Created August 10, 2013 17:46

Determine if a JSValue is an instance of Array

	// Modified from http://code.google.com/p/jsxobjc/source/browse/trunk/source/JSXore/JSXObjCInterpreter.m

	@implementation JSValue (CHAdditions)

	- (BOOL)ch_isArray
	{
	static dispatch_once_t onceToken;
	static JSStringRef lengthString = NULL;
	static JSStringRef arrayString = NULL;

chen-hongzhi / gist:5735566

Last active December 18, 2015 05:49

Convert wildcard string to regular expression

	NSString CHRegexPatternForWildcardString(NSString string)
	{
	if (string.length == 0) {
	return string;
	}

	static dispatch_once_t onceToken;
	static NSRegularExpression *asteriskRegex = nil;
	static NSRegularExpression *questionmMarkRegex = nil;

chen-hongzhi / gist:5719035

Last active September 23, 2021 10:39

Add self-signed CA certificate to the system's keychain and make it trusted.

	SecCertificateRef cert = SecCertificateCreateWithData(NULL, (__bridge CFDataRef)certData);
	status = SecCertificateAddToKeychain(cert, keychain);

	if (status == errSecDuplicateItem) {
	status = errSecSuccess;
	}

	if (status == errSecSuccess) {
	int allowErr = -2147409654;
	SecPolicyRef x509Policy = SecPolicyCreateBasicX509();