private void UpdateSearchCompletionPercentage(
Progress.IProgressEventsSink progress,
long lastHandledPosition,
FileRange.Range fullSearchPositionsRange,
bool skipMessagesCountCheck)
{
if (progress == null)
{
return;
}
if (!skipMessagesCountCheck && (messagesReadSinceCompletionPercentageUpdate % 256) != 0)
{
++messagesReadSinceCompletionPercentageUpdate;
}
else
{
double value;
if (fullSearchPositionsRange.Length > 0)
{
value = Math.Max(0d, (double)(lastHandledPosition - fullSearchPositionsRange.Begin) / (double)fullSearchPositionsRange.Length);
}
else
{
value = 0;
}
progress.SetValue(value);
messagesReadSinceCompletionPercentageUpdate = 0;
}
}
async Task ExecuteInternal(IPreprocessingStepCallback callback, string specificFileToExtract, Func <PreprocessingStepParams, bool> onNext)
{
await callback.BecomeLongRunning();
callback.TempFilesCleanupList.Add(sourceFile.Uri);
using (var zipFile = new Ionic.Zip.ZipFile(sourceFile.Uri))
{
string currentEntryBeingExtracted = null;
Progress.IProgressEventsSink progress = null;
zipFile.ExtractProgress += (s, evt) =>
{
evt.Cancel = callback.Cancellation.IsCancellationRequested;
if (currentEntryBeingExtracted != null && evt.TotalBytesToTransfer != 0)
{
callback.SetStepDescription(string.Format("Unpacking {1}%: {0}",
currentEntryBeingExtracted,
evt.BytesTransferred * (long)100 / evt.TotalBytesToTransfer));
if (progress != null)
{
progress.SetValue(
(double)evt.BytesTransferred / (double)evt.TotalBytesToTransfer);
}
}
};
var entriesToEnum = specificFileToExtract != null?
Enumerable.Repeat(zipFile[specificFileToExtract], 1) : zipFile.Entries;
foreach (var entry in entriesToEnum.Where(e => e != null))
{
if (entry.IsDirectory)
{
continue;
}
string entryFullPath = sourceFile.FullPath + "\\" + entry.FileName;
string tmpFileName = callback.TempFilesManager.GenerateNewName();
callback.SetStepDescription("Unpacking " + entryFullPath);
using (FileStream tmpFs = new FileStream(tmpFileName, FileMode.CreateNew))
using (var entryProgress = progressAggregator.CreateProgressSink())
{
currentEntryBeingExtracted = entryFullPath;
progress = entryProgress;
entry.Extract(tmpFs);
currentEntryBeingExtracted = null;
progress = null;
}
string preprocessingStep = string.Format("{0} {1}", name, entry.FileName);
if (!onNext(new PreprocessingStepParams(tmpFileName, entryFullPath,
Utils.Concat(sourceFile.PreprocessingSteps, preprocessingStep))))
{
break;
}
}
}
}
private void DoExtract(
IPreprocessingStepCallback callback,
string specificFileToExtract,
Func <PreprocessingStepParams, bool> onNext,
string password)
{
using (var zipFile = new Ionic.Zip.ZipFile(@params.Location))
{
if (password != null)
{
zipFile.Password = password;
}
string currentEntryBeingExtracted = null;
Progress.IProgressEventsSink progress = null;
zipFile.ExtractProgress += (s, evt) =>
{
evt.Cancel = callback.Cancellation.IsCancellationRequested;
if (currentEntryBeingExtracted != null && evt.TotalBytesToTransfer != 0)
{
callback.SetStepDescription(string.Format("Unpacking {1}%: {0}",
currentEntryBeingExtracted,
evt.BytesTransferred * (long)100 / evt.TotalBytesToTransfer));
if (progress != null)
{
progress.SetValue(
(double)evt.BytesTransferred / (double)evt.TotalBytesToTransfer);
}
}
};
var entriesToEnum = specificFileToExtract != null?
Enumerable.Repeat(zipFile[specificFileToExtract], 1) : zipFile.Entries;
foreach (var entry in entriesToEnum.Where(e => e != null))
{
if (entry.IsDirectory)
{
continue;
}
string entryFullPath = @params.FullPath + "\\" + entry.FileName;
string tmpFileName = callback.TempFilesManager.GenerateNewName();
callback.SetStepDescription("Unpacking " + entryFullPath);
using (FileStream tmpFs = new FileStream(tmpFileName, FileMode.CreateNew))
using (var entryProgress = progressAggregator.CreateProgressSink())
{
currentEntryBeingExtracted = entryFullPath;
progress = entryProgress;
entry.Extract(tmpFs);
currentEntryBeingExtracted = null;
progress = null;
}
if (!onNext(new PreprocessingStepParams(tmpFileName, entryFullPath,
@params.PreprocessingHistory.Add(new PreprocessingHistoryItem(name, entry.FileName)))))
{
break;
}
}
}
}