From 022704b942b4d3a2f7727c6e1c7cb94ee102f8e3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Manuel=20V=C3=B6gele?= <develop@manuel-voegele.de>
Date: Wed, 9 Apr 2014 20:57:30 +0200
Subject: [PATCH] Erste mapping-Funktionen im Parser

---
 src/Parser.cs | 193 ++++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 188 insertions(+), 5 deletions(-)

diff --git a/src/Parser.cs b/src/Parser.cs
index 4ca3ec1..28a1830 100644
--- a/src/Parser.cs
+++ b/src/Parser.cs
@@ -3,16 +3,33 @@ using System.Linq;
 using System.Threading;
 using System.Collections.Generic;
 using System.Text.RegularExpressions;
+using Frontend;
 
 namespace WorldOfPeacecraft
 {
 	public class Parser
 	{
+		public const string MessUpdate = "upd";
+		public const string MessDelete = "del";
+		public const string MessMap = "map";
+		public const string MessMessage = "mes";
+		public const string MessResult = "result";
+		public const string MessChallenge = "challenge";
+		public const string MessPlayer = "player";
+		public const string MessYourid = "yourid";
+		public const string MessTime = "time";
+		public const string MessOnline = "online";
+		public const string MessEntities = "ents";
+		public const string MessPlayers = "players";
+		public const string MessDragon = "dragon";
+		public const string MessMapcell = "cell";
+
 		private Queue<string> Buffer = new Queue<string> ();
 		private AutoResetEvent BufferFilledEvent = new AutoResetEvent (false);
 		private Thread ParserThread;
 		private LinkedList<string> Message;
 		private Regex LastLineRegex;
+		private Backend backend;
 
 		public Parser ()
 		{
@@ -44,16 +61,182 @@ namespace WorldOfPeacecraft
 			// If package is not complete wait for more lines
 			if (!IsCompletePackage ())
 				return;
-			String[] aMessage = Enumerable.ToArray(Message);
+			String[] aMessage = Enumerable.ToArray (Message);
 			Block mainBlock = new Block (aMessage, 0, aMessage.Length - 1);
-			MapData (mainBlock);
+			ProcessData (mainBlock);
 		}
 
-		private void MapData (Block block)
+		private void ProcessData (Block parentBlock)
 		{
-			// TODO Implement
+			if (parentBlock.GetStringValue ("ans") != null) {
+				ProcessAnswer (parentBlock);
+				return;
+			}
+			CheckBlocksSize(parentBlock.GetBlocks(), 1, 1);
+			Block block = parentBlock.GetBlocks ().First.Value;
+			switch (block.GetName ()) {
+			case MessUpdate:
+				ProcessUpdate (block);
+				break;
+			case MessDelete:
+				ProcessDelete (block);
+				break;
+			case MessMap:
+				ProcessMap (block);
+				break;
+			case MessMessage:
+				ProcessMessage (block);
+				break;
+			case MessResult:
+				ProcessResult (block);
+				break;
+			case MessChallenge:
+				ProcessChallenge (block);
+				break;
+			case MessPlayer:
+				ProcessPlayer (block);
+				break;
+			case MessYourid:
+				ProcessYourid (block);
+				break;
+			case MessTime:
+				ProcessTime (block);
+				break;
+			case MessOnline:
+				ProcessOnline (block);
+				break;
+			case MessEntities:
+				ProcessEntities (block);
+				break;
+			case MessPlayers:
+				ProcessEntities (block);
+				break;
+			default:
+				ThrowUnknownBlockException (parentBlock, block); 
+				break;
+			}
 		}
-		
+
+		private void ProcessUpdate (Block updateBlock)
+		{
+			LinkedList<Block> blocks = updateBlock.GetBlocks ();
+			CheckBlocksSize (updateBlock, 1, 1);
+			Block block = blocks.First.Value;
+			switch (block.GetName ()) {
+			case MessDragon:
+				ProcessDragon (block);
+				break;
+			case MessPlayer:
+				ProcessPlayer (block);
+				break;
+			case MessMapcell:
+				ProcessMapcell (block);
+				break;
+			default:
+				ThrowUnknownBlockException (updateBlock, block);
+				break;
+			}
+		}
+
+		private void ProcessDelete (Block deleteBlock)
+		{
+			LinkedList<Block> blocks = deleteBlock;
+			CheckBlocksSize (deleteBlock, 1, 1);
+			Block block = blocks.First.Value;
+			switch (block.GetName ()) {
+			case MessPlayer:
+				Player player = MapPlayer(block);
+				backend.removePlayer(player);
+				break;
+			case MessDragon:
+				Dragon dragon = MapDragon(block);
+				backend.removeDragon(dragon);
+				break;
+			}
+		}
+
+		private void ProcessMap (Block block)
+		{
+
+		}
+
+		private void ProcessMessage (Block block)
+		{
+		}
+
+		private void ProcessAnswer (Block block)
+		{
+		}
+
+		private void ProcessResult (Block block)
+		{
+		}
+
+		private void ProcessChallenge (Block block)
+		{
+		}
+
+		private void ProcessPlayer (Block block)
+		{
+		}
+
+		private void ProcessYourid (Block block)
+		{
+		}
+
+		private void ProcessTime (Block block)
+		{
+		}
+
+		private void ProcessOnline (Block block)
+		{
+		}
+
+		private void ProcessEntities (Block block)
+		{
+		}
+
+		private void ProcessPlayers (Block block)
+		{
+		}
+
+		private void ProcessMapcell (Block block)
+		{
+		}
+
+		private void ProcessDragon (Block block)
+		{
+		}
+
+		private Dragon MapDragon (Block block)
+		{
+		}
+
+		private Player MapPlayer (Block block)
+		{
+		}
+
+		private void ThrowUnknownBlockException (Block parentBlock, Block childBlock)
+		{
+			throw new ParsingException("Unknown Block: '" + childBlock.GetName() + "' (as subblock of '" + parentBlock.GetName() + "')");
+		}
+
+		private void CheckBlocksSize (Block parentBlock, int min, int max)
+		{
+			LinkedList<Block> blocks = parentBlock.GetBlocks();
+			if (blocks.Count < min || (max >= 0 && blocks.Count > max)) {
+				if (min == max) {
+					throw new ParsingException("The block '" + parentBlock.GetName() + "' has to contain exactly '" + min + "' Block, but contained '" + blocks.Count + "'");
+				}
+				else if (max < 0) {
+					throw new ParsingException("The block '" + parentBlock.GetName() + "' has to contain at least '" + min + "' Blocks, but contained '" + blocks.Count + "'");
+				}
+				else {
+					throw new ParsingException("The block '" + parentBlock.GetName () + "' has to contain between '" + min + "' and '" + max + "' Blocks, but contained '" + blocks.Count + "'");
+				}
+			}
+		}
+
 		private bool IsCompletePackage ()
 		{
 			string lastLine = Message.Last.Value;