Initial Commit

2024/AdventCommon/AdventCommon.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net9.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

2024/AdventCommon/ParsedInput.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AdventCommon
+{
+    public abstract class ParsedInput
+    {
+        public virtual object? GetContext() { return null; }
+
+        public abstract bool ParseLine(string line, object? context = null);
+
+        public virtual long GetPart01() { return 0; }
+        public virtual long GetPart02() { return 0; }
+
+        public ParsedInput(string fileName)
+        {
+            var input = new AdventCommon.PuzzleInput(fileName);
+
+            foreach (var line in input.Lines)
+            {
+                if (!ParseLine(line, GetContext()))
+                {
+                    throw new Exception("Line not formatted as expected");
+                }
+            }
+        }
+    }
+}

2024/AdventCommon/PuzzleInput.cs

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+namespace AdventCommon
+{
+    public class PuzzleInput
+    {
+        public PuzzleInput(string fileName, bool ignoreEmptyLines = true)
+        {
+            using (StreamReader reader = System.IO.File.OpenText(fileName))
+            {
+                while (!reader.EndOfStream)
+                {
+                    string? line = reader.ReadLine();
+
+                    if (line == null) { throw new InvalidDataException(); }
+                    if (ignoreEmptyLines && String.IsNullOrWhiteSpace(line)) continue;
+
+                    Lines.Add(line);
+                }
+            }
+        }
+
+        public List<string> Lines { get; private set; } = new List<string>();
+
+        public void Print()
+        {
+            for (int j = 0; j < Lines.Count; j++)
+            {
+                for (int i = 0; i < Lines[j].Length; i++)
+                {
+                    Console.Write(Lines[j][i]);
+                }
+                Console.WriteLine();
+            }
+        }
+    }
+}