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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.Bind
{
using System;
using System.Collections.Generic;
using System.Globalization;
using WixToolset.Data;
using WixToolset.Extensibility;
using WixToolset.Extensibility.Services;
/// <summary>
/// Resolves the fields which had variables that needed to be resolved after the file information
/// was loaded.
/// </summary>
public class ResolveDelayedFieldsCommand
{
/// <summary>
/// Resolve delayed fields.
/// </summary>
/// <param name="delayedFields">The fields which had resolution delayed.</param>
/// <param name="variableCache">The file information to use when resolving variables.</param>
public ResolveDelayedFieldsCommand(IMessaging messaging, IEnumerable<IDelayedField> delayedFields, Dictionary<string, string> variableCache)
{
this.Messaging = messaging;
this.DelayedFields = delayedFields;
this.VariableCache = variableCache;
}
private IMessaging Messaging { get; }
private IEnumerable<IDelayedField> DelayedFields { get;}
private IDictionary<string, string> VariableCache { get; }
public void Execute()
{
var deferredFields = new List<IDelayedField>();
foreach (var delayedField in this.DelayedFields)
{
try
{
var propertyRow = delayedField.Row;
// process properties first in case they refer to other binder variables
if (delayedField.Row.Definition.Type == TupleDefinitionType.Property)
{
var value = WixVariableResolver.ResolveDelayedVariables(propertyRow.SourceLineNumbers, delayedField.Field.AsString(), this.VariableCache);
// update the variable cache with the new value
var key = String.Concat("property.", propertyRow.AsString(0));
this.VariableCache[key] = value;
// update the field data
delayedField.Field.Set(value);
}
else
{
deferredFields.Add(delayedField);
}
}
catch (WixException we)
{
this.Messaging.Write(we.Error);
continue;
}
}
// add specialization for ProductVersion fields
string keyProductVersion = "property.ProductVersion";
if (this.VariableCache.TryGetValue(keyProductVersion, out var versionValue) && Version.TryParse(versionValue, out Version productVersion))
{
// Don't add the variable if it already exists (developer defined a property with the same name).
string fieldKey = String.Concat(keyProductVersion, ".Major");
if (!this.VariableCache.ContainsKey(fieldKey))
{
this.VariableCache[fieldKey] = productVersion.Major.ToString(CultureInfo.InvariantCulture);
}
fieldKey = String.Concat(keyProductVersion, ".Minor");
if (!this.VariableCache.ContainsKey(fieldKey))
{
this.VariableCache[fieldKey] = productVersion.Minor.ToString(CultureInfo.InvariantCulture);
}
fieldKey = String.Concat(keyProductVersion, ".Build");
if (!this.VariableCache.ContainsKey(fieldKey))
{
this.VariableCache[fieldKey] = productVersion.Build.ToString(CultureInfo.InvariantCulture);
}
fieldKey = String.Concat(keyProductVersion, ".Revision");
if (!this.VariableCache.ContainsKey(fieldKey))
{
this.VariableCache[fieldKey] = productVersion.Revision.ToString(CultureInfo.InvariantCulture);
}
}
// process the remaining fields in case they refer to property binder variables
foreach (var delayedField in deferredFields)
{
try
{
var value = WixVariableResolver.ResolveDelayedVariables(delayedField.Row.SourceLineNumbers, delayedField.Field.AsString(), this.VariableCache);
delayedField.Field.Set(value);
}
catch (WixException we)
{
this.Messaging.Write(we.Error);
}
}
}
}
}
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