#region ================== Namespaces

using System.IO;
using System.Collections.Generic;
using CodeImp.DoomBuilder.ZDoom;
using CodeImp.DoomBuilder.GZBuilder.Data;

#endregion

//mxd. Modeldef parser used to create ScriptItems for use in script editor's navigator
namespace CodeImp.DoomBuilder.GZBuilder.GZDoom 
{
	internal sealed class ModeldefParserSE : ZDTextParser 
	{
		private readonly List<ScriptItem> models;
		internal List<ScriptItem> Models { get { return models; } }

		public ModeldefParserSE() 
		{
			models = new List<ScriptItem>();
		}

		public override bool Parse(Stream stream, string sourcefilename) 
		{
			base.Parse(stream, sourcefilename);

			// Continue until at the end of the stream
			while (SkipWhitespace(true)) 
			{
				string token = ReadToken();

				if (!string.IsNullOrEmpty(token)) 
				{
					token = token.ToUpperInvariant();

					if(token == "MODEL")
					{
						SkipWhitespace(true);
						int startPos = (int)stream.Position;
						string modelName = ReadToken();
						SkipWhitespace(true);
						token = ReadToken(); //this should be "{"

						if (token == "{") 
						{
							ScriptItem i = new ScriptItem(0, modelName, startPos);
							models.Add(i);
						}
					}
				}
			}

			//sort nodes
			models.Sort(ScriptItem.SortByName);
			return true;
		}
	}
}