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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.Burn
{
using System;
using System.Xml;
using WixToolset.Data;
/// <summary>
/// Represents an authored or imported dependency provider.
/// </summary>
internal sealed class ProvidesDependency
{
/// <summary>
/// Creates a new instance of the <see cref="ProviderDependency"/> class from a <see cref="Row"/>.
/// </summary>
/// <param name="row">The <see cref="Row"/> from which data is imported.</param>
internal ProvidesDependency(Row row)
: this((string)row[2], (string)row[3], (string)row[4], (int?)row[5])
{
}
/// <summary>
/// Creates a new instance of the <see cref="ProviderDependency"/> class.
/// </summary>
/// <param name="key">The unique key of the dependency.</param>
/// <param name="attributes">Additional attributes for the dependency.</param>
internal ProvidesDependency(string key, string version, string displayName, int? attributes)
{
this.Key = key;
this.Version = version;
this.DisplayName = displayName;
this.Attributes = attributes;
}
/// <summary>
/// Gets or sets the unique key of the package provider.
/// </summary>
internal string Key { get; set; }
/// <summary>
/// Gets or sets the version of the package provider.
/// </summary>
internal string Version { get; set; }
/// <summary>
/// Gets or sets the display name of the package provider.
/// </summary>
internal string DisplayName { get; set; }
/// <summary>
/// Gets or sets the attributes for the dependency.
/// </summary>
internal int? Attributes { get; set; }
/// <summary>
/// Gets or sets whether the dependency was imported from the package.
/// </summary>
internal bool Imported { get; set; }
/// <summary>
/// Gets whether certain properties are the same.
/// </summary>
/// <param name="other">Another <see cref="ProvidesDependency"/> to compare.</param>
/// <remarks>This is not the same as object equality, but only checks a subset of properties
/// to determine if the objects are similar and could be merged into a collection.</remarks>
/// <returns>True if certain properties are the same.</returns>
internal bool Equals(ProvidesDependency other)
{
if (null != other)
{
return this.Key == other.Key &&
this.Version == other.Version &&
this.DisplayName == other.DisplayName;
}
return false;
}
/// <summary>
/// Writes the dependency to the bundle XML manifest.
/// </summary>
/// <param name="writer">The <see cref="XmlTextWriter"/> for the bundle XML manifest.</param>
internal void WriteXml(XmlTextWriter writer)
{
writer.WriteStartElement("Provides");
writer.WriteAttributeString("Key", this.Key);
if (!String.IsNullOrEmpty(this.Version))
{
writer.WriteAttributeString("Version", this.Version);
}
if (!String.IsNullOrEmpty(this.DisplayName))
{
writer.WriteAttributeString("DisplayName", this.DisplayName);
}
if (this.Imported)
{
// The package dependency was explicitly authored into the manifest.
writer.WriteAttributeString("Imported", "yes");
}
writer.WriteEndElement();
}
}
}
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