58 lines
1.6 KiB
C#
58 lines
1.6 KiB
C#
// Copyright Epic Games, Inc. All Rights Reserved.
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using System;
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using System.Text.RegularExpressions;
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using EpicGames.Core;
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using Microsoft.Extensions.Logging;
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#nullable enable
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namespace AutomationUtils.Matchers
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{
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/// <summary>
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/// Low-priority matcher for generic error strings like "warning:" and "error:"
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/// </summary>
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class GenericEventMatcher : ILogEventMatcher
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{
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static readonly Regex s_fatalPattern = new Regex(
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@"^\s*(FATAL|fatal error):");
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static readonly Regex s_warningErrorPattern = new Regex(
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@"(?<!\w)(?i)(WARNING|ERROR) ?(\([^)]+\)|\[[^\]]+\])?:(?: |$)");
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static readonly Regex s_errorPattern = new Regex(
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@"[Ee]rror [A-Z]\d+\s:");
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/// <inheritdoc/>
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public LogEventMatch? Match(ILogCursor cursor)
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{
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Match? match;
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if (cursor.TryMatch(s_fatalPattern, out _))
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{
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return new LogEventBuilder(cursor).ToMatch(LogEventPriority.Low, LogLevel.Error, KnownLogEvents.Generic);
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}
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if (cursor.TryMatch(s_warningErrorPattern, out match))
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{
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// Careful to match the first WARNING or ERROR in the line here.
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LogLevel level = LogLevel.Error;
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if(match.Groups[1].Value.Equals("WARNING", StringComparison.OrdinalIgnoreCase))
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{
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level = LogLevel.Warning;
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}
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LogEventBuilder builder = new LogEventBuilder(cursor);
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while (builder.IsNextLineHanging())
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{
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builder.MoveNext();
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}
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return builder.ToMatch(LogEventPriority.Lowest, level, KnownLogEvents.Generic);
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}
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if (cursor.IsMatch(s_errorPattern))
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{
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return new LogEventBuilder(cursor).ToMatch(LogEventPriority.Lowest, LogLevel.Error, KnownLogEvents.Generic);
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}
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return null;
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}
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}
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}
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