private static ExtractResult TryExtractAllFiles(ArcFile arcFile, Action <string, double> reportProgress, bool mergeTrailingSlash)
{
// Loading the files first uses more memory but allows for determinate progress.
var filesToExtract = new List <ArcFileNode>();
foreach (var arcNode in arcFile.GetRootNodes())
{
if (arcNode is ArcDirectoryNode directory)
{
AddFilesRecursive(arcFile, directory, filesToExtract, mergeTrailingSlash);
}
}
for (int i = 0; i < filesToExtract.Count; i++)
{
TryExtractFile(arcFile, filesToExtract[i]);
var percentage = i / (double)filesToExtract.Count * 100;
// Fix the string length to avoid strange flickering when the progress bar resizes.
var desiredLength = 60;
reportProgress(filesToExtract[i].Path.PadRight(desiredLength).Substring(0, desiredLength), percentage);
}
// Assume the operation succeeds for now.
// Individual file extractions may still fail.
var result = new ExtractResult
{
Success = true,
CompletionSummary = $"Extracted {filesToExtract.Count} files"
};
return(result);
}
/// <summary>
/// Loads the base level from <paramref name="arcFile"/>.
/// The parameter to <paramref name="extractStartCallBack"/> is the task description.
/// </summary>
/// <param name="arcFile">the ARC to load</param>
/// <param name="extractStartCallBack">called before starting an extract operation</param>
/// <param name="extractReportProgressCallBack">contains the file path and progress percentage on extracting multiple files</param>
/// <param name="extractEndCallBack">called after starting an extract operation with a progress message</param>
/// <param name="mergeTrailingSlash">Directories with and without a trailing slash are considered identical when <c>true</c></param>
/// <returns>The nodes for the root level</returns>
public static List <FileNodeBase> CreateRootLevelNodes(ArcFile arcFile,
Action <string, bool> extractStartCallBack,
Action <string, double> extractReportProgressCallBack,
Action <string> extractEndCallBack,
bool mergeTrailingSlash)
{
var files = new List <FileNodeBase>();
foreach (var node in arcFile.GetRootNodes(ApplicationSettings.Instance.ArcRegion))
{
// There is no parent for root nodes, so leave the parent as null.
var treeNode = CreateNode(arcFile, node, extractStartCallBack, extractReportProgressCallBack, extractEndCallBack, mergeTrailingSlash);
files.Add(treeNode);
}
return(files);
}