private void ExtractFilesFromMergeModule(IMsmMerge2 merge, WixMergeRow wixMergeRow)
{
bool moduleOpen = false;
short mergeLanguage;
try
{
mergeLanguage = Convert.ToInt16(wixMergeRow.Language, CultureInfo.InvariantCulture);
}
catch (System.FormatException)
{
Messaging.Instance.OnMessage(WixErrors.InvalidMergeLanguage(wixMergeRow.SourceLineNumbers, wixMergeRow.Id, wixMergeRow.Language));
return;
}
try
{
merge.OpenModule(wixMergeRow.SourceFile, mergeLanguage);
moduleOpen = true;
string safeMergeId = wixMergeRow.Number.ToString(CultureInfo.InvariantCulture.NumberFormat);
// extract the module cabinet, then explode all of the files to a temp directory
string moduleCabPath = String.Concat(this.TempFilesLocation, Path.DirectorySeparatorChar, safeMergeId, ".module.cab");
merge.ExtractCAB(moduleCabPath);
string mergeIdPath = String.Concat(this.TempFilesLocation, Path.DirectorySeparatorChar, "MergeId.", safeMergeId);
Directory.CreateDirectory(mergeIdPath);
using (WixExtractCab extractCab = new WixExtractCab())
{
try
{
extractCab.Extract(moduleCabPath, mergeIdPath);
}
catch (FileNotFoundException)
{
throw new WixException(WixErrors.CabFileDoesNotExist(moduleCabPath, wixMergeRow.SourceFile, mergeIdPath));
}
catch
{
throw new WixException(WixErrors.CabExtractionFailed(moduleCabPath, wixMergeRow.SourceFile, mergeIdPath));
}
}
}
catch (COMException ce)
{
throw new WixException(WixErrors.UnableToOpenModule(wixMergeRow.SourceLineNumbers, wixMergeRow.SourceFile, ce.Message));
}
finally
{
if (moduleOpen)
{
merge.CloseModule();
}
}
}
