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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.Bind
{
using System;
using System.IO;
using WixToolset;
using WixToolset.Data;
/// <summary>
/// Structure used for all file transfer information.
/// </summary>
internal class FileTransfer
{
/// <summary>Source path to file.</summary>
public string Source { get; set; }
/// <summary>Destination path for file.</summary>
public string Destination { get; set; }
/// <summary>Flag if file should be moved (optimal).</summary>
public bool Move { get; set; }
/// <summary>Optional source line numbers where this file transfer orginated.</summary>
public SourceLineNumber SourceLineNumbers { get; set; }
/// <summary>Optional type of file this transfer is moving or copying.</summary>
public string Type { get; set; }
/// <summary>Indicates whether the file transer was a built by this build or copied from other some build.</summary>
internal bool Built { get; set; }
/// <summary>Set during layout of media when the file transfer when the source and target resolve to the same path.</summary>
internal bool Redundant { get; set; }
/// <summary>
/// Prefer the TryCreate() method to create FileTransfer objects.
/// </summary>
/// <param name="source">Source path to file.</param>
/// <param name="destination">Destination path for file.</param>
/// <param name="move">File if file should be moved (optimal).</param>
/// <param name="type">Optional type of file this transfer is transferring.</param>
/// <param name="sourceLineNumbers">Optional source line numbers wher this transfer originated.</param>
public FileTransfer(string source, string destination, bool move, string type = null, SourceLineNumber sourceLineNumbers = null)
{
this.Source = source;
this.Destination = destination;
this.Move = move;
this.Type = type;
this.SourceLineNumbers = sourceLineNumbers;
}
/// <summary>
/// Creates a file transfer if the source and destination are different.
/// </summary>
/// <param name="source">Source path to file.</param>
/// <param name="destination">Destination path for file.</param>
/// <param name="move">File if file should be moved (optimal).</param>
/// <param name="type">Optional type of file this transfer is transferring.</param>
/// <param name="sourceLineNumbers">Optional source line numbers wher this transfer originated.</param>
/// <returns>true if the source and destination are the different, false if no file transfer is created.</returns>
public static bool TryCreate(string source, string destination, bool move, string type, SourceLineNumber sourceLineNumbers, out FileTransfer transfer)
{
string sourceFullPath = GetValidatedFullPath(sourceLineNumbers, source);
string fileLayoutFullPath = GetValidatedFullPath(sourceLineNumbers, destination);
// if the current source path (where we know that the file already exists) and the resolved
// path as dictated by the Directory table are not the same, then propagate the file. The
// image that we create may have already been done by some other process other than the linker, so
// there is no reason to copy the files to the resolved source if they are already there.
if (String.Equals(sourceFullPath, fileLayoutFullPath, StringComparison.OrdinalIgnoreCase))
{
transfer = null;
return false;
}
transfer = new FileTransfer(source, destination, move, type, sourceLineNumbers);
return true;
}
private static string GetValidatedFullPath(SourceLineNumber sourceLineNumbers, string path)
{
string result;
try
{
result = Path.GetFullPath(path);
string filename = Path.GetFileName(result);
foreach (string reservedName in Common.ReservedFileNames)
{
if (reservedName.Equals(filename, StringComparison.OrdinalIgnoreCase))
{
throw new WixException(WixErrors.InvalidFileName(sourceLineNumbers, path));
}
}
}
catch (System.ArgumentException)
{
throw new WixException(WixErrors.InvalidFileName(sourceLineNumbers, path));
}
catch (System.IO.PathTooLongException)
{
throw new WixException(WixErrors.PathTooLong(sourceLineNumbers, path));
}
return result;
}
}
}
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