DefineSymbolsManager.cs

using System.Collections.Generic;
using UnityEditor;
 
 
public class DefineSymbolsManager  {
    private Dictionary<BuildTargetGroup, DefineSymbols> defineSymbols  = new Dictionary<BuildTargetGroup, DefineSymbols>();
 
    public DefineSymbolsManager(BuildTargetGroup[] groups)
    {
        foreach (var group in groups)
        {
            var symbols = PlayerSettings.GetScriptingDefineSymbolsForGroup(group);
            defineSymbols.Add(group, new DefineSymbols(symbols));
        }
    }
 
    public void UpdateFromBuildSettings()
    {
        var groups = defineSymbols.Keys;
        defineSymbols = new Dictionary<BuildTargetGroup, DefineSymbols>();
 
        foreach (var group in groups)
        {
            var symbols = PlayerSettings.GetScriptingDefineSymbolsForGroup(group);
            defineSymbols.Add(group, new DefineSymbols(symbols));
        }
 
    }
 
    public void ApplyToBuildSettings()
    {
        foreach (var e in defineSymbols)
        {
            PlayerSettings.SetScriptingDefineSymbolsForGroup(e.Key, e.Value.Get());
        }
    }
 
    public void Add(string symbol)
    {
        foreach (var item in defineSymbols)
        {
            item.Value.Add(symbol);
        }
    }
 
    public void Remove(string symbol)
    {
        foreach (var item in defineSymbols)
        {
            item.Value.Remove(symbol);
        }
    }
 
    public bool Has(string symbol)
    {
        var has = true;
 
        foreach (var item in defineSymbols)
        {
            has = has && item.Value.Has(symbol);
        }
 
        return has;
    }
 
    public override string ToString()
    {
        var str = "DefineSymbolsManager {\n";
 
        foreach (var item in defineSymbols)
        {
            str += item.Key + ": " + item.Value.Get() + "\n";
        }
 
        str += "}";
 
        return str;
    }
}