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// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
namespace WixToolset.Core.ExtensibilityServices
{
using System.Collections.Generic;
using WixToolset.Data;
using WixToolset.Extensibility;
using WixToolset.Extensibility.Services;
internal class Messaging : IMessaging
{
private IMessageListener listener;
private readonly HashSet<int> suppressedWarnings = new HashSet<int>();
private readonly HashSet<int> warningsAsErrors = new HashSet<int>();
public bool EncounteredError { get; private set; }
public int LastErrorNumber { get; private set; }
public bool ShowVerboseMessages { get; set; }
public bool SuppressAllWarnings { get; set; }
public bool WarningsAsError { get; set; }
public void ElevateWarningMessage(int warningNumber) => this.warningsAsErrors.Add(warningNumber);
public void SetListener(IMessageListener listener) => this.listener = listener;
public void SuppressWarningMessage(int warningNumber) => this.suppressedWarnings.Add(warningNumber);
public void Write(Message message)
{
var level = this.CalculateMessageLevel(message);
if (level == MessageLevel.Nothing)
{
return;
}
if (level == MessageLevel.Error)
{
this.EncounteredError = true;
this.LastErrorNumber = message.Id;
}
if (this.listener != null)
{
this.listener.Write(message);
}
else if (level == MessageLevel.Error)
{
throw new WixException(message);
}
}
public void Write(string message, bool verbose = false)
{
if (!verbose || this.ShowVerboseMessages)
{
this.listener?.Write(message);
}
}
/// <summary>
/// Determines the level of this message, when taking into account warning-as-error,
/// warning level, verbosity level and message suppressed by the caller.
/// </summary>
/// <param name="message">Event arguments for the message.</param>
/// <returns>MessageLevel representing the level of this message.</returns>
private MessageLevel CalculateMessageLevel(Message message)
{
var level = message.Level;
if (level == MessageLevel.Verbose)
{
if (!this.ShowVerboseMessages)
{
level = MessageLevel.Nothing;
}
}
else if (level == MessageLevel.Warning)
{
if (this.SuppressAllWarnings || this.suppressedWarnings.Contains(message.Id))
{
level = MessageLevel.Nothing;
}
else if (this.WarningsAsError || this.warningsAsErrors.Contains(message.Id))
{
level = MessageLevel.Error;
}
}
level = this.listener?.CalculateMessageLevel(this, message, level) ?? level;
return level;
}
}
}
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