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couldn't get it to work with Utf8JsonReader 

pulled out the trusty newtonsoft.json
This commit is contained in:
Ben Harris 2022-12-04 22:04:48 -05:00
parent 20c93249bb
commit 048868fc4b
3 changed files with 24 additions and 30 deletions
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2
AOC.Test/Test2015.cs
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@ -17,7 +17,7 @@ public class Test2015
[DataRow(typeof(Day09), "117", "909")]
[DataRow(typeof(Day10), "492982", "6989950")]
[DataRow(typeof(Day11), "hepxxyzz", "heqaabcc")]
[DataRow(typeof(Day12), "111754", "")]
[DataRow(typeof(Day12), "111754", "65402")]
public void CheckAllDays(Type dayType, string part1, string part2)
{
Common.CheckDay(dayType, part1, part2);

4
AOC2015/AOC2015.csproj
View File

@ -26,4 +26,8 @@
<ProjectReference Include="..\AOC.Common\AOC.Common.csproj" />
</ItemGroup>
<ItemGroup>
<PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
</ItemGroup>
</Project>

48
AOC2015/Day12.cs
View File

@ -1,4 +1,5 @@
using System.Text.Json;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
namespace AOC2015;
@ -10,7 +11,7 @@ public sealed partial class Day12 : Day
public Day12() : base(2015, 12, "JSAbacusFramework.io")
{
}
[GeneratedRegex(@"-?\d+")]
private static partial Regex Digits();
@ -19,31 +20,20 @@ public sealed partial class Day12 : Day
public override object Part2()
{
var reader = new Utf8JsonReader(File.ReadAllBytes(FileName));
var sum = 0;
bool redObject = false, insideObject = false;
while (reader.Read())
{
switch (reader.TokenType)
{
case JsonTokenType.StartObject:
insideObject = true;
break;
case JsonTokenType.EndObject:
insideObject = false;
redObject = false;
break;
case JsonTokenType.String:
if (insideObject && reader.GetString()! == "red")
redObject = true;
break;
case JsonTokenType.Number:
if (!redObject) sum += reader.GetInt32();
break;
}
}
return sum;
dynamic j = JsonConvert.DeserializeObject(Input.First())!;
return GetSum(j, "red");
}
}
private long GetSum(JObject o, string? avoid = null)
{
var shouldAvoid = o.Properties()
.Select(a => a.Value).OfType<JValue>()
.Select(v => v.Value).Contains(avoid);
return shouldAvoid ? 0 : o.Properties().Sum((dynamic a) => (long)GetSum(a.Value, avoid));
}
private long GetSum(JArray arr, string avoid) => arr.Sum((dynamic a) => (long)GetSum(a, avoid));
private long GetSum(JValue val, string avoid) => val.Type == JTokenType.Integer ? (long)(val.Value ?? 0L) : 0;
}