From 62149aedc8541ef8debdb0b119919b8dfd3792b4 Mon Sep 17 00:00:00 2001
From: Daniel Brunner <0xFEEDC0DE64@gmail.com>
Date: Sat, 4 Feb 2017 14:52:20 +0100
Subject: [PATCH] Implemented parsing of steam files

---
 SteamMover/Form1.cs | 64 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)

diff --git a/SteamMover/Form1.cs b/SteamMover/Form1.cs
index 9948a10..d87159c 100644
--- a/SteamMover/Form1.cs
+++ b/SteamMover/Form1.cs
@@ -3,8 +3,10 @@ using System.Collections.Generic;
 using System.ComponentModel;
 using System.Data;
 using System.Drawing;
+using System.IO;
 using System.Linq;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Threading.Tasks;
 using System.Windows.Forms;
 
@@ -12,9 +14,71 @@ namespace SteamMover
 {
     public partial class Form1 : Form
     {
+        private static readonly Regex regexObject = new Regex("^(?: |\t)*\"([^\"]*)\"$");
+        private static readonly Regex regexObjectBegin = new Regex("^(?: |\t)*\\{$");
+        private static readonly Regex regexObjectEnd = new Regex("^(?: |\t)*\\}$");
+        private static readonly Regex regexVariable = new Regex("^(?: |\t)*\"([^\"]*)\"(?: |\t)*\"([^\"]*)\"$");
+
         public Form1()
         {
             InitializeComponent();
+
+            foreach (var path in Directory.GetFiles(@"C:\Program Files (x86)\Steam\steamapps\", "*.acf", SearchOption.AllDirectories))
+                ReadConfigObject(File.OpenText(path));
+            foreach (var path in Directory.GetFiles(@"D:\SteamLibrary\steamapps", "*.acf", SearchOption.AllDirectories))
+                ReadConfigObject(File.OpenText(path));
+            foreach (var path in Directory.GetFiles(@"F:\SteamLibrary\steamapps", "*.acf", SearchOption.AllDirectories))
+                ReadConfigObject(File.OpenText(path));
+        }
+
+        private Dictionary<string, object> ReadConfigObject(StreamReader streamReader, bool nestedObject = false)
+        {
+            var dictionary = new Dictionary<string, object>();
+
+            while (true)
+            {
+                var line = streamReader.ReadLine();
+
+                if (line == null)
+                {
+                    if (nestedObject)
+                        throw new Exception("Unexpected end of file");
+                    else
+                        break;
+                }
+
+                Match match;
+                if ((match = regexObject.Match(line)).Success)
+                {
+                    var key = match.Groups[1].Value;
+
+                    line = streamReader.ReadLine();
+                    if (!regexObjectBegin.IsMatch(line))
+                        throw new Exception("Object doesnt start");
+
+                    var value = ReadConfigObject(streamReader, true);
+
+                    dictionary.Add(key, value);
+                }
+                else if ((match = regexVariable.Match(line)).Success)
+                {
+                    var key = match.Groups[1].Value;
+                    var value = match.Groups[2].Value;
+
+                    dictionary.Add(key, value);
+                }
+                else if (regexObjectEnd.IsMatch(line))
+                {
+                    if (nestedObject)
+                        break;
+                    else
+                        throw new Exception("Unexpected object closing");
+                }
+                else
+                    throw new Exception("Unexpected line");
+            }
+
+            return dictionary;
         }
     }
 }