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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.BuildTasks
{
using System;
using System.Diagnostics;
using System.Globalization;
using System.IO;
using System.Text;
using Microsoft.Build.Framework;
using Microsoft.Build.Utilities;
/// <summary>
/// Helper class for appending the command line arguments.
/// </summary>
public class WixCommandLineBuilder : CommandLineBuilder
{
internal const int Unspecified = -1;
/// <summary>
/// Append a switch to the command line if the value has been specified.
/// </summary>
/// <param name="switchName">Switch to append.</param>
/// <param name="value">Value specified by the user.</param>
public void AppendIfSpecified(string switchName, int value)
{
if (value != Unspecified)
{
this.AppendSwitchIfNotNull(switchName, value.ToString(CultureInfo.InvariantCulture));
}
}
/// <summary>
/// Append a switch to the command line if the condition is true.
/// </summary>
/// <param name="switchName">Switch to append.</param>
/// <param name="condition">Condition specified by the user.</param>
public void AppendIfTrue(string switchName, bool condition)
{
if (condition)
{
this.AppendSwitch(switchName);
}
}
/// <summary>
/// Append a switch to the command line if any values in the array have been specified.
/// </summary>
/// <param name="switchName">Switch to append.</param>
/// <param name="values">Values specified by the user.</param>
public void AppendArrayIfNotNull(string switchName, ITaskItem[] values)
{
if (values != null)
{
foreach (ITaskItem value in values)
{
this.AppendSwitchIfNotNull(switchName, value);
}
}
}
/// <summary>
/// Append a switch to the command line if any values in the array have been specified.
/// </summary>
/// <param name="switchName">Switch to append.</param>
/// <param name="values">Values specified by the user.</param>
public void AppendArrayIfNotNull(string switchName, string[] values)
{
if (values != null)
{
foreach (string value in values)
{
this.AppendSwitchIfNotNull(switchName, value);
}
}
}
/// <summary>
/// Build the extensions argument. Each extension is searched in the current folder, user defined search
/// directories (ReferencePath), HintPath, and under Wix Extension Directory in that order.
/// The order of precednce is based off of that described in Microsoft.Common.Targets's SearchPaths
/// property for the ResolveAssemblyReferences task.
/// </summary>
/// <param name="extensions">The list of extensions to include.</param>
/// <param name="wixExtensionDirectory">Evaluated default folder for Wix Extensions</param>
/// <param name="referencePaths">User defined reference directories to search in</param>
public void AppendExtensions(ITaskItem[] extensions, string wixExtensionDirectory, string [] referencePaths)
{
if (extensions == null)
{
return;
}
string resolvedPath;
foreach (ITaskItem extension in extensions)
{
string className = extension.GetMetadata("Class");
string fileName = Path.GetFileName(extension.ItemSpec);
if (Path.GetExtension(fileName).Length == 0)
{
fileName += ".dll";
}
// First try reference paths
resolvedPath = FileSearchHelperMethods.SearchFilePaths(referencePaths, fileName);
if (String.IsNullOrEmpty(resolvedPath))
{
// Now try HintPath
resolvedPath = extension.GetMetadata("HintPath");
if (!File.Exists(resolvedPath))
{
// Now try the item itself
resolvedPath = extension.ItemSpec;
if (Path.GetExtension(resolvedPath).Length == 0)
{
resolvedPath += ".dll";
}
if (!File.Exists(resolvedPath))
{
if (!String.IsNullOrEmpty(wixExtensionDirectory))
{
// Now try the extension directory
resolvedPath = Path.Combine(wixExtensionDirectory, Path.GetFileName(resolvedPath));
}
if (!File.Exists(resolvedPath))
{
// Extesnion wasn't found, just set it to the extension name passed in
resolvedPath = extension.ItemSpec;
}
}
}
}
if (String.IsNullOrEmpty(className))
{
this.AppendSwitchIfNotNull("-ext ", resolvedPath);
}
else
{
this.AppendSwitchIfNotNull("-ext ", className + ", " + resolvedPath);
}
}
}
/// <summary>
/// Append arbitrary text to the command-line if specified.
/// </summary>
/// <param name="textToAppend">Text to append.</param>
public void AppendTextIfNotNull(string textToAppend)
{
if (!String.IsNullOrEmpty(textToAppend))
{
this.AppendSpaceIfNotEmpty();
this.AppendTextUnquoted(textToAppend);
}
}
/// <summary>
/// Append arbitrary text to the command-line if specified.
/// </summary>
/// <param name="textToAppend">Text to append.</param>
public void AppendTextIfNotWhitespace(string textToAppend)
{
if (!String.IsNullOrWhiteSpace(textToAppend))
{
this.AppendSpaceIfNotEmpty();
this.AppendTextUnquoted(textToAppend);
}
}
}
}
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