HRESULT COutVolumeStream::Flush()
{
if (_volumeStream)
{
_file.UnPackSize = _curPos;
_file.FileCRC = _crc.GetDigest();
RINOK(WriteVolumeHeader(_archive, _file, _options));
_archive.Close();
_volumeStream.Release();
_file.StartPos += _file.UnPackSize;
}
return S_OK;
}
// Create a new 7z archive for each folder contained in the archive to be
// exploded.
HRESULT ExplodeArchives(CCodecs *codecs, const CIntVector &formatIndices,
bool stdInMode,
UStringVector &arcPaths, UStringVector &arcPathsFull,
UString& outputPath, UInt64 maxDepth, UInt64 &numErrors)
{
int numArcs = arcPaths.Size();
for (int i = 0; i < numArcs; i++)
{
UString archivePath = arcPaths[i];
/*UString outputPath = arcPaths[i];
outputPath.Replace(L'\\', L'/'); // linux and windows consistent
const UString archiveName = StripFile(outputPath);
outputPath.Empty();*/
archivePath.Replace(L'\\', L'/'); // linux, windows and archive consistent
outputPath.Replace(L'\\', L'/');
FixPathFormat(outputPath);
const UString archiveName = GetFileFromPath(archivePath);
g_StdOut << "Outputting into : " << outputPath << endl;
UInt64 arcPackSize = 0;
if (!stdInMode)
{
NFile::NFind::CFileInfoW fi;
if (!fi.Find(archivePath) || fi.IsDir())
{
SHOW_ERROR("is not a file.");
continue;
}
arcPackSize = fi.Size;
}
g_StdOut << endl << "Exploding : " << archivePath << endl << endl;
CArchiveLink archiveLink;
COpenCallbackConsole openCallback;
openCallback.OutStream = &g_StdOut;
#ifndef _NO_CRYPTO
openCallback.PasswordIsDefined = false;
#endif
HRESULT result = archiveLink.Open2(codecs, formatIndices, stdInMode, NULL, archivePath, &openCallback);
if (result != S_OK)
{
if (result == E_ABORT)
return result;
g_StdOut << endl << "Error: " << archivePath << ": ";
if (result == S_FALSE)
g_StdOut << "Can not open file as archive";
else if (result == E_OUTOFMEMORY)
g_StdOut << "Can't allocate required memory";
else
g_StdOut << NError::MyFormatMessage(result);
g_StdOut << endl;
numErrors++;
continue;
}
// remove other files names if multi-volume
if (!stdInMode) {
for (int v = 0; v < archiveLink.VolumePaths.Size(); v++)
{
int index = arcPathsFull.FindInSorted(archiveLink.VolumePaths[v]);
if (index >= 0 && index > i)
{
arcPaths.Delete(index);
arcPathsFull.Delete(index);
numArcs = arcPaths.Size();
}
}
}
// don't support multi volume because i have to reopen the stream
if (archiveLink.VolumePaths.Size() != 1) {
SHOW_ERROR("Exploding multi-volume archives isn't supported.");
continue;
}
bool szArchive = true;
for (int x = 0; x < archiveLink.Arcs.Size(); x++)
{
const UString szName = L"7z";
const CArc &arc = archiveLink.Arcs[x];
if (codecs->Formats[arc.FormatIndex].Name != szName) {
szArchive = false;
break;
}
}
if (!szArchive) {
SHOW_ERROR("Only 7z archives can be exploded.");
continue;
}
// Only 7z is supported, and it's been checked
using namespace NArchive::N7z;
IInArchive* inArc = archiveLink.GetArchive();
CHandler* szHandler = (CHandler*)inArc;
// not a fan of having to reopen the file..
CInFileStream* _inStream = new CInFileStream;
CMyComPtr<CInFileStream> inStream(_inStream);
if (!inStream->Open(archivePath)) {
SHOW_ERROR("Cannot be opened for reading.");
continue;
}
// Explode the archive into each folder
CObjectVector<szExplodeData> exploded;
szHandler->Explode(exploded, maxDepth);
if (exploded.Size() == 0) {
SHOW_ERROR("Empty archive!");
continue;
}
// should make a struct that gets passed to Explode..
// something like
/*
* struct a {
* CArchiveDatabase newDatabase;
* CRecordVector<UInt64> folderSizes, folderPositions
* };
* CObjectVector<a> exploded;
* szHandler->Explode(exploded);
*/
// Save each folder as a new 7z archive
for (int x = 0; x < exploded.Size(); x++) {
UString relativeFilePath; // relative to archive
UString fileName;
CArchiveDatabase& newDatabase = exploded[x].newDatabase;
szExplodeData& explodeData = exploded[x];
// each exploded archive will only have a single folder.
// no longer true. need to make sure the selected file
// is the highest in the dir tree. could make 7zhandler
// give us this info i guess.
if (newDatabase.Files.Size() > 0) {
relativeFilePath = newDatabase.Files[0].Name;
if (!newDatabase.Files[0].IsDir) {
fileName = GetFileFromPath(relativeFilePath);
StripFile(relativeFilePath);
}
}
//g_StdOut << "Relative path " << relativeFilePath << endl;
//g_StdOut << "Archive " << archivePath << endl;
UString folderOutPath = outputPath + relativeFilePath;
if (relativeFilePath.Length() != 0) {
bool b = NWindows::NFile::NDirectory::CreateComplexDirectory(folderOutPath);
if (!b) g_StdOut << "Couldn't create directory " << folderOutPath << endl;
//relativeFilePath.Insert(folderOutPath.Length(), L'/');
}
std::wstringstream sstream;
sstream << folderOutPath.GetBuffer();
if (newDatabase.Files.Size() == 1) // can use file names
sstream << fileName.GetBuffer();
else // use folder as name
sstream << archiveName.GetBuffer() << L"_folder_" << x;
sstream << ".7z";
g_StdOut << "Saving as '" << sstream.str().c_str() << "'" << endl;
COutFileStream* _outstream = new COutFileStream;
CMyComPtr<COutFileStream> outstream(_outstream);
outstream->Create(sstream.str().c_str(), true);
COutArchive out;
out.Create(outstream, false);
out.SkipPrefixArchiveHeader();
for (int folderIndex = 0; folderIndex < newDatabase.Folders.Size();
folderIndex++)
{
UInt64 folderLen = explodeData.folderSizes[folderIndex];
UInt64 folderStartPackPos = explodeData.folderPositions[folderIndex];
// write actual data
RINOK(WriteRange(inStream, out.SeqStream,
folderStartPackPos, folderLen, NULL));
}
CCompressionMethodMode method, headerMethod;
szHandler->SetCompressionMethod(method, headerMethod);
CHeaderOptions headerOptions;
headerOptions.CompressMainHeader = true;
out.WriteDatabase(newDatabase, &headerMethod, headerOptions);
out.Close();
/*#ifdef ENV_UNIX
// Create a symlink for each file in the folder.
// This makes it seem as though each file is individually accessible.
for (int fileIndex = 0; fileIndex < newDatabase.Files.Size(); fileIndex++) {
AString oldfile, newfile;
UString woldfile = sstream.str().c_str();
UString wnewfile = outputPath + relativeFilePath + newDatabase.Files[fileIndex].Name + L".7z";
ConvertUnicodeToUTF8(woldfile, oldfile);
ConvertUnicodeToUTF8(wnewfile, newfile);
const char* link_to = oldfile.GetBuffer();
const char* link_name = newfile.GetBuffer();
unlink(link_name);// should ask user
//g_StdOut << "Creating symlink to '" << link_to << "' called '" << link_name << "'" << endl;
int status = symlink(link_to, link_name);
if (status == -1) {
AString error = "Couldn't create symlink for '";
error += newfile;
error += "'";
SHOW_ERROR(error);
g_StdOut << "Error: " << errno << endl;
}
}
#endif*/
}
archiveLink.Close(); // not needed but oh well
}
return S_OK;
}