private void ExtractFilesFromMergeModule(IMsmMerge2 merge, WixMergeSymbol wixMergeRow)
{
var moduleOpen = false;
short mergeLanguage;
var mergeId = wixMergeRow.Id.Id;
try
{
mergeLanguage = Convert.ToInt16(wixMergeRow.Language, CultureInfo.InvariantCulture);
}
catch (FormatException)
{
this.Messaging.Write(ErrorMessages.InvalidMergeLanguage(wixMergeRow.SourceLineNumbers, mergeId, wixMergeRow.Language.ToString()));
return;
}
try
{
merge.OpenModule(wixMergeRow.SourceFile, mergeLanguage);
moduleOpen = true;
// extract the module cabinet, then explode all of the files to a temp directory
var moduleCabPath = Path.Combine(this.IntermediateFolder, mergeId + ".cab");
merge.ExtractCAB(moduleCabPath);
var mergeIdPath = Path.Combine(this.IntermediateFolder, mergeId);
Directory.CreateDirectory(mergeIdPath);
try
{
var cabinet = new Cabinet(moduleCabPath);
cabinet.Extract(mergeIdPath);
}
catch (FileNotFoundException)
{
throw new WixException(ErrorMessages.CabFileDoesNotExist(moduleCabPath, wixMergeRow.SourceFile, mergeIdPath));
}
catch
{
throw new WixException(ErrorMessages.CabExtractionFailed(moduleCabPath, wixMergeRow.SourceFile, mergeIdPath));
}
}
catch (COMException ce)
{
throw new WixException(ErrorMessages.UnableToOpenModule(wixMergeRow.SourceLineNumbers, wixMergeRow.SourceFile, ce.Message));
}
finally
{
if (moduleOpen)
{
merge.CloseModule();
}
}
}
private bool CreateFacadesForMergeModuleFiles(WixMergeSymbol wixMergeRow, List <FileFacade> mergeModulesFileFacades, Dictionary <string, FileFacade> indexedFileFacades)
{
var containsFiles = false;
try
{
// read the module's File table to get its FileMediaInformation entries and gather any other information needed from the module.
using (var db = new Database(wixMergeRow.SourceFile, OpenDatabase.ReadOnly))
{
if (db.TableExists("File") && db.TableExists("Component"))
{
var uniqueModuleFileIdentifiers = new Dictionary <string, FileFacade>(StringComparer.OrdinalIgnoreCase);
using (var view = db.OpenExecuteView("SELECT `File`, `Directory_` FROM `File`, `Component` WHERE `Component_`=`Component`"))
{
// add each file row from the merge module into the file row collection (check for errors along the way)
foreach (var record in view.Records)
{
// NOTE: this is very tricky - the merge module file rows are not added to the
// file table because they should not be created via idt import. Instead, these
// rows are created by merging in the actual modules.
var fileSymbol = new FileSymbol(wixMergeRow.SourceLineNumbers, new Identifier(AccessModifier.Private, record[1]));
fileSymbol.Attributes = wixMergeRow.FileAttributes;
fileSymbol.DirectoryRef = record[2];
fileSymbol.DiskId = wixMergeRow.DiskId;
fileSymbol.Source = new IntermediateFieldPathValue {
Path = Path.Combine(this.IntermediateFolder, wixMergeRow.Id.Id, record[1])
};
var mergeModuleFileFacade = new FileFacade(true, fileSymbol);
// If case-sensitive collision with another merge module or a user-authored file identifier.
if (indexedFileFacades.TryGetValue(mergeModuleFileFacade.Id, out var collidingFacade))
{
this.Messaging.Write(ErrorMessages.DuplicateModuleFileIdentifier(wixMergeRow.SourceLineNumbers, wixMergeRow.Id.Id, collidingFacade.Id));
}
else if (uniqueModuleFileIdentifiers.TryGetValue(mergeModuleFileFacade.Id, out collidingFacade)) // case-insensitive collision with another file identifier in the same merge module
{
this.Messaging.Write(ErrorMessages.DuplicateModuleCaseInsensitiveFileIdentifier(wixMergeRow.SourceLineNumbers, wixMergeRow.Id.Id, mergeModuleFileFacade.Id, collidingFacade.Id));
}
else // no collision
{
mergeModulesFileFacades.Add(mergeModuleFileFacade);
// Keep updating the indexes as new rows are added.
indexedFileFacades.Add(mergeModuleFileFacade.Id, mergeModuleFileFacade);
uniqueModuleFileIdentifiers.Add(mergeModuleFileFacade.Id, mergeModuleFileFacade);
}
containsFiles = true;
}
}
}
// Get the summary information to detect the Schema
using (var summaryInformation = new SummaryInformation(db))
{
var moduleInstallerVersionString = summaryInformation.GetProperty(14);
try
{
var moduleInstallerVersion = Convert.ToInt32(moduleInstallerVersionString, CultureInfo.InvariantCulture);
if (moduleInstallerVersion > this.OutputInstallerVersion)
{
this.Messaging.Write(WarningMessages.InvalidHigherInstallerVersionInModule(wixMergeRow.SourceLineNumbers, wixMergeRow.Id.Id, moduleInstallerVersion, this.OutputInstallerVersion));
}
}
catch (FormatException)
{
throw new WixException(ErrorMessages.MissingOrInvalidModuleInstallerVersion(wixMergeRow.SourceLineNumbers, wixMergeRow.Id.Id, wixMergeRow.SourceFile, moduleInstallerVersionString));
}
}
}
}
catch (FileNotFoundException)
{
throw new WixException(ErrorMessages.FileNotFound(wixMergeRow.SourceLineNumbers, wixMergeRow.SourceFile));
}
catch (Win32Exception)
{
throw new WixException(ErrorMessages.CannotOpenMergeModule(wixMergeRow.SourceLineNumbers, wixMergeRow.Id.Id, wixMergeRow.SourceFile));
}
return(containsFiles);
}