Files

244 lines
7.4 KiB
C#

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Text.Json;
using System.Threading;
using System.Threading.Tasks;
namespace AxCopilot.Services.Agent;
public class DiffTool : IAgentTool
{
public string Name => "diff_tool";
public string Description => "Compare two texts or files and output a unified diff. Use 'text' mode to compare two text strings directly, or 'file' mode to compare two files by path.";
public ToolParameterSchema Parameters
{
get
{
ToolParameterSchema toolParameterSchema = new ToolParameterSchema();
Dictionary<string, ToolProperty> dictionary = new Dictionary<string, ToolProperty>();
ToolProperty obj = new ToolProperty
{
Type = "string",
Description = "Comparison mode"
};
int num = 2;
List<string> list = new List<string>(num);
CollectionsMarshal.SetCount(list, num);
Span<string> span = CollectionsMarshal.AsSpan(list);
span[0] = "text";
span[1] = "file";
obj.Enum = list;
dictionary["mode"] = obj;
dictionary["left"] = new ToolProperty
{
Type = "string",
Description = "Left text content or file path"
};
dictionary["right"] = new ToolProperty
{
Type = "string",
Description = "Right text content or file path"
};
dictionary["left_label"] = new ToolProperty
{
Type = "string",
Description = "Label for left side (optional, default: 'left')"
};
dictionary["right_label"] = new ToolProperty
{
Type = "string",
Description = "Label for right side (optional, default: 'right')"
};
toolParameterSchema.Properties = dictionary;
num = 3;
List<string> list2 = new List<string>(num);
CollectionsMarshal.SetCount(list2, num);
Span<string> span2 = CollectionsMarshal.AsSpan(list2);
span2[0] = "mode";
span2[1] = "left";
span2[2] = "right";
toolParameterSchema.Required = list2;
return toolParameterSchema;
}
}
public Task<ToolResult> ExecuteAsync(JsonElement args, AgentContext context, CancellationToken ct = default(CancellationToken))
{
string text = args.GetProperty("mode").GetString() ?? "text";
string text2 = args.GetProperty("left").GetString() ?? "";
string text3 = args.GetProperty("right").GetString() ?? "";
JsonElement value;
string leftLabel = (args.TryGetProperty("left_label", out value) ? (value.GetString() ?? "left") : "left");
JsonElement value2;
string rightLabel = (args.TryGetProperty("right_label", out value2) ? (value2.GetString() ?? "right") : "right");
try
{
if (text == "file")
{
string text4 = (Path.IsPathRooted(text2) ? text2 : Path.Combine(context.WorkFolder, text2));
string text5 = (Path.IsPathRooted(text3) ? text3 : Path.Combine(context.WorkFolder, text3));
if (!File.Exists(text4))
{
return Task.FromResult(ToolResult.Fail("Left file not found: " + text4));
}
if (!File.Exists(text5))
{
return Task.FromResult(ToolResult.Fail("Right file not found: " + text5));
}
text2 = File.ReadAllText(text4);
text3 = File.ReadAllText(text5);
leftLabel = Path.GetFileName(text4);
rightLabel = Path.GetFileName(text5);
}
string[] left = (from l in text2.Split('\n')
select l.TrimEnd('\r')).ToArray();
string[] right = (from l in text3.Split('\n')
select l.TrimEnd('\r')).ToArray();
string text6 = GenerateUnifiedDiff(left, right, leftLabel, rightLabel);
if (string.IsNullOrEmpty(text6))
{
return Task.FromResult(ToolResult.Ok("No differences found — files/texts are identical."));
}
if (text6.Length > 10000)
{
text6 = text6.Substring(0, 10000) + "\n... (truncated)";
}
return Task.FromResult(ToolResult.Ok(text6));
}
catch (Exception ex)
{
return Task.FromResult(ToolResult.Fail("Diff 오류: " + ex.Message));
}
}
private static string GenerateUnifiedDiff(string[] left, string[] right, string leftLabel, string rightLabel)
{
List<string> list = ComputeLcs(left, right);
StringBuilder stringBuilder = new StringBuilder();
StringBuilder stringBuilder2 = stringBuilder;
StringBuilder stringBuilder3 = stringBuilder2;
StringBuilder.AppendInterpolatedStringHandler handler = new StringBuilder.AppendInterpolatedStringHandler(4, 1, stringBuilder2);
handler.AppendLiteral("--- ");
handler.AppendFormatted(leftLabel);
stringBuilder3.AppendLine(ref handler);
stringBuilder2 = stringBuilder;
StringBuilder stringBuilder4 = stringBuilder2;
handler = new StringBuilder.AppendInterpolatedStringHandler(4, 1, stringBuilder2);
handler.AppendLiteral("+++ ");
handler.AppendFormatted(rightLabel);
stringBuilder4.AppendLine(ref handler);
int i = 0;
int j = 0;
int num = 0;
List<(int, int, int, int)> list2 = new List<(int, int, int, int)>();
while (i < left.Length || j < right.Length)
{
if (num < list.Count && i < left.Length && j < right.Length && left[i] == list[num] && right[j] == list[num])
{
i++;
j++;
num++;
continue;
}
int item = i;
int item2 = j;
for (; i < left.Length && (num >= list.Count || left[i] != list[num]); i++)
{
}
for (; j < right.Length && (num >= list.Count || right[j] != list[num]); j++)
{
}
list2.Add((item, i, item2, j));
}
if (list2.Count == 0)
{
return "";
}
foreach (var item7 in list2)
{
int item3 = item7.Item1;
int item4 = item7.Item2;
int item5 = item7.Item3;
int item6 = item7.Item4;
int num2 = Math.Max(0, item3 - 3);
stringBuilder2 = stringBuilder;
StringBuilder stringBuilder5 = stringBuilder2;
handler = new StringBuilder.AppendInterpolatedStringHandler(11, 4, stringBuilder2);
handler.AppendLiteral("@@ -");
handler.AppendFormatted(item3 + 1);
handler.AppendLiteral(",");
handler.AppendFormatted(item4 - item3);
handler.AppendLiteral(" +");
handler.AppendFormatted(item5 + 1);
handler.AppendLiteral(",");
handler.AppendFormatted(item6 - item5);
handler.AppendLiteral(" @@");
stringBuilder5.AppendLine(ref handler);
for (int k = item3; k < item4; k++)
{
stringBuilder2 = stringBuilder;
StringBuilder stringBuilder6 = stringBuilder2;
handler = new StringBuilder.AppendInterpolatedStringHandler(1, 1, stringBuilder2);
handler.AppendLiteral("-");
handler.AppendFormatted(left[k]);
stringBuilder6.AppendLine(ref handler);
}
for (int l = item5; l < item6; l++)
{
stringBuilder2 = stringBuilder;
StringBuilder stringBuilder7 = stringBuilder2;
handler = new StringBuilder.AppendInterpolatedStringHandler(1, 1, stringBuilder2);
handler.AppendLiteral("+");
handler.AppendFormatted(right[l]);
stringBuilder7.AppendLine(ref handler);
}
}
return stringBuilder.ToString();
}
private static List<string> ComputeLcs(string[] a, string[] b)
{
int num = a.Length;
int num2 = b.Length;
if ((long)num * (long)num2 > 10000000)
{
return new List<string>();
}
int[,] array = new int[num + 1, num2 + 1];
for (int num3 = num - 1; num3 >= 0; num3--)
{
for (int num4 = num2 - 1; num4 >= 0; num4--)
{
array[num3, num4] = ((a[num3] == b[num4]) ? (array[num3 + 1, num4 + 1] + 1) : Math.Max(array[num3 + 1, num4], array[num3, num4 + 1]));
}
}
List<string> list = new List<string>();
int num5 = 0;
int num6 = 0;
while (num5 < num && num6 < num2)
{
if (a[num5] == b[num6])
{
list.Add(a[num5]);
num5++;
num6++;
}
else if (array[num5 + 1, num6] >= array[num5, num6 + 1])
{
num5++;
}
else
{
num6++;
}
}
return list;
}
}