Better Defines for Unity3D

BetterDefines.cs

using System;
using System.Collections.Generic;
using System.Linq;
using BetterDefines.Editor.Entity;
using UnityEditor;

namespace BetterDefines.Editor
{
    public static class BetterDefinesUtils
    {
        public static void ToggleDefine(string define, bool enable, params BuildTargetGroup[] supportedPlatforms)
        {
            foreach (var targetPlatform in supportedPlatforms)
            {
                var scriptDefines = PlayerSettings.GetScriptingDefineSymbolsForGroup(targetPlatform);
                var flags = new List<string>(scriptDefines.Split(';'));

                if (flags.Contains(define))
                {
                    if (!enable)
                    {
                        flags.Remove(define);
                    }
                }
                else
                {
                    if (enable)
                    {
                        flags.Add(define);
                    }
                }

                var result = string.Join(";", flags.ToArray());

                if (scriptDefines != result)
                {
                    PlayerSettings.SetScriptingDefineSymbolsForGroup(targetPlatform, result);
                }
            }
        }

        public static void RemoveDefineFromAll(string define)
        {
            ToggleDefine(define, false, GetAllAvailablePlatforms());
        }

        public static void AddDefineToAll(string define)
        {
            ToggleDefine(define, true, GetAllAvailablePlatforms());
        }

        private static BuildTargetGroup[] GetAllAvailablePlatforms()
        {
            var allPlatforms = Enum.GetValues(typeof(BuildTargetGroup)).Cast<BuildTargetGroup>().ToList();
            allPlatforms.Remove(BuildTargetGroup.Unknown);
            return allPlatforms.ToArray();
        }
    }
}