106 lines
3.4 KiB
C#
106 lines
3.4 KiB
C#
/*
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* dbMango
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*
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* Copyright 2025 Deutsche Bank AG
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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using System.Text;
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using System.Text.RegularExpressions;
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namespace Rms.Risk.Mango.Pivot.UI.Services;
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public static class ExceptionHelpers
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{
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public static string ToMarkdown(this Exception ex)
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{
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var sb = new StringBuilder();
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Append(ex, sb);
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return sb.ToString();
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}
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private static readonly Regex _stackTraceRegex = new(
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@"^\s*at\s+(?<ClassName>[\w\.']+)\.(?<MethodName>[\w`]+)(?<Args>(\[[^)]*\])?(\([^)]*\))?)(\s+in\s+(?<FileName>.*)\:line\s+(?<LineNumber>\d+))?",
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RegexOptions.Compiled | RegexOptions.CultureInvariant);
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private record ResultRec(string ClassName, string MethodName, string Args, string? FileName, string? LineNumber);
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private static ResultRec? ExtractStackTraceInfo(string stackTraceLine)
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{
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var match = _stackTraceRegex.Match(stackTraceLine);
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if (match.Success)
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{
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var className = match.Groups["ClassName"].Value;
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var methodName = match.Groups["MethodName"].Value;
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var args = match.Groups["Args"].Value;
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var fileName = match.Groups["FileName"].Value;
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var lineNumber = match.Groups["LineNumber"].Value;
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return new (className, methodName, args, fileName, lineNumber);
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}
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return null;
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}
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private static void Append(Exception ex, StringBuilder sb)
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{
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while (true)
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{
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if (ex is AggregateException aggEx)
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{
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foreach (var inner in aggEx.InnerExceptions)
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{
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Append(inner, sb);
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}
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}
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else
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{
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sb.AppendLine($"### {ex.Message}");
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sb.AppendLine($"#### {ex.GetType()}");
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var stack = (ex.StackTrace ?? "")
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.Replace("`", "'")
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.Replace("\r", "")
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.Split("\n", StringSplitOptions.RemoveEmptyEntries);
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foreach( var line in stack)
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{
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AppendStackLine(line, sb);
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}
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}
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if (ex.InnerException != null)
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{
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ex = ex.InnerException;
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continue;
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}
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break;
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}
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}
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public static void AppendStackLine(string line, StringBuilder sb)
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{
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var res = ExtractStackTraceInfo(line);
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if (res == null)
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{
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sb.AppendLine($"* {line}");
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return;
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}
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if (string.IsNullOrWhiteSpace(res.FileName))
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sb.AppendLine($"* *{res.ClassName}.{res.MethodName}{res.Args}*");
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else
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sb.AppendLine($"* *{res.ClassName}*.`{res.MethodName}`*{res.Args}* `{res.FileName}` {res.LineNumber}");
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}
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}
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