// Updates specified files in zip
void ZipFile::Update(String* FileSpec, UpdateOption UpdateWhen, Boolean AddNewFiles, Boolean RecurseSubdirectories, PathInclusion AddPathMethod)
{
// If destination zip file doesn't exist, we just perform an Add
if (!File::Exists(fileName))
{
if (AddNewFiles) Add(FileSpec, RecurseSubdirectories, AddPathMethod);
return;
}
char* pszPassword = NULL;
ZipFile* tempZipFile;
OpenFileForUnzip();
// Just wrapping in a try/catch/finally to make sure unmanaged code allocations always get released and temp zip file gets removed
try
{
// Create temporary zip file to hold update results
tempZipFile = CreateTempZipFile();
// Get ANSI password, if one was provided
if (password)
if (password->get_Length())
pszPassword = StringToCharBuffer(password);
String* fileSpec = Path::GetFileName(FileSpec);
String* rootPath = JustPath(FileSpec, fileSpec);
UpdateFilesInZip(tempZipFile, fileSpec, rootPath, rootPath->get_Length(), UpdateWhen, AddNewFiles, RecurseSubdirectories, AddPathMethod, pszPassword);
// Now make the temp file the new zip file
Close();
tempZipFile->Close();
File::Delete(fileName);
File::Move(tempZipFile->fileName, fileName);
}
catch (CompressionException* ex)
{
// We just rethrow any errors back to user
throw ex;
}
catch (Exception* ex)
{
throw ex;
}
__finally
{
if (pszPassword)
free(pszPassword);
// If everything went well, temp zip will no longer exist, but just in case we tidy up and delete the temp file...
DeleteTempZipFile(tempZipFile);
}
// We'll reload the file list after update if requested...
if (autoRefresh) Refresh();
}
// Removes specified files from zip
void ZipFile::Remove(String* FileSpec, Boolean RecurseSubdirectories)
{
ZipFile* tempZipFile;
OpenFileForUnzip();
// Just wrapping in a try/catch/finally to make sure temp zip file gets removed
try
{
Regex* filePattern = GetFilePatternRegularExpression(FileSpec, caseSensitive);
IEnumerator* filesEnum = files->GetEnumerator();
CompressedFile* file;
// Create temporary zip file to hold remove results
tempZipFile = CreateTempZipFile();
// Loop through compressed file collection
while (filesEnum->MoveNext())
{
file = static_cast<CompressedFile*>(filesEnum->Current);
// We copy all files into destination zip file except those user requested to be removed...
if (!filePattern->IsMatch(GetSearchFileName(FileSpec, file->get_FileName(), RecurseSubdirectories)))
CopyFileInZip(file, this, tempZipFile, S"Remove Zip File");
}
// Now make the temp file the new zip file
Close();
tempZipFile->Close();
File::Delete(fileName);
File::Move(tempZipFile->fileName, fileName);
}
catch (CompressionException* ex)
{
// We just rethrow any errors back to user
throw ex;
}
catch (Exception* ex)
{
throw ex;
}
__finally
{
// If everything went well, temp zip will no longer exist, but just in case we tidy up and delete the temp file...
DeleteTempZipFile(tempZipFile);
}
// We'll reload the file list after remove if requested...
if (autoRefresh) Refresh();
}