void createDiffFile(string fileName) {
string fileDirectory = getFilePath(fileName);
string diff = fileName + "-diff.dat";
ofstream diffFile(fileDirectory + '\\' + diff);
diffFile << "0\nV0\n0";
diffFile.close();
}
bool HGTController::expandDiff(CourgetteInstance* ci, MCFCore::MCFFile* file)
{
m_hFile.close();
UTIL::FS::Path path(m_szInstallDir, file->getName(), false);
path += file->getPath();
gcString oldFile = path.getFullPath();
gcString diffFile("{0}_diff", m_szFile);
try
{
UTIL::FS::FileHandle fhSrc(m_szFile, UTIL::FS::FILE_READ);
UTIL::FS::FileHandle fhDest(diffFile.c_str(), UTIL::FS::FILE_WRITE);
fhSrc.seek(file->getOffSet());
decompressDiff(file->getDiffSize(), fhSrc, fhDest);
UTIL::FS::delFile(diffFile);
}
catch (gcException)
{
UTIL::FS::delFile(diffFile);
return false;
}
MD5Progressive md5;
try
{
m_hFile.open(m_szFile, UTIL::FS::FILE_APPEND);
m_hFile.seek(file->getOffSet());
}
catch (...)
{
return false;
}
uint64 fsize = file->getSize();
uint64 tot = 0;
bool res = ci->applyDiff(oldFile.c_str(), diffFile.c_str(), [this, &md5, &tot, fsize](const char* buff, size_t size) -> bool
{
md5.update(buff, size);
return writeDiff(tot, fsize, buff, size);
});
return (res && md5.finish() == file->getCsum());
}
bool addExistingFile(string fileName, string address, string owner) {
string fileDirectory = getFilePath(fileName);
if (!isSaved(fileName)) throw accessError(NOT_SAVED);
if (!isExisting(address)) throw accessError(NO_FILE);
if (!isAccessable(fileName, owner)) throw accessError(NOT_USER);
diffTree tree(fileName);
diffNode* start = tree.getTreePathByID(tree.currentVersion);
diffNode* finish = tree.getTreePath();
modernizeFile(fileName, tree.getVersionsPath(start, finish));
vector<diffString> exf;
vector<diffString> newf;
ifstream existingFile(fileDirectory + '\\' + fileName);
ifstream newFile(address);
while (!existingFile.eof()) {
diffString buf;
buf.text = new char[MAX];
existingFile.getline(buf.text, MAX);
buf.length = strlen(buf.text);
exf.push_back(buf);
}
while (!newFile.eof()) {
diffString buf;
buf.text = new char[MAX];
newFile.getline(buf.text, MAX);
buf.length = strlen(buf.text);
newf.push_back(buf);
}
vector<diffString> difference = diff(exf, newf);
showChangesVector(difference);
diffNode* child = new diffNode;
child->diffLine = difference;
tree.addNode(finish, child);
ofstream diffFile(fileDirectory + '\\' + fileName + "-diff.dat");
diffFile.close();
tree.printDiffTreeFile(fileName);
deleteFile(fileName);
addFile(fileName, address);
return true;
}
int bsdiff(const char* old, const char* newf, const char* patch) {
return diffFile(old, newf, patch);//diff(argc, argv);
}
int C3dsTool::Action()
{
if (m_eAction == kActionExtract)
{
if (!extractFile())
{
printf("ERROR: extract file failed\n\n");
return 1;
}
}
if (m_eAction == kActionCreate)
{
if (!createFile())
{
printf("ERROR: create file failed\n\n");
return 1;
}
}
if (m_eAction == kActionEncrypt)
{
if (!encryptFile())
{
printf("ERROR: encrypt file failed\n\n");
return 1;
}
}
if (m_eAction == kActionUncompress)
{
if (!uncompressFile())
{
printf("ERROR: uncompress file failed\n\n");
return 1;
}
}
if (m_eAction == kActionCompress)
{
if (!compressFile())
{
printf("ERROR: compress file failed\n\n");
return 1;
}
}
if (m_eAction == kActionTrim)
{
if (!trimFile())
{
printf("ERROR: trim file failed\n\n");
return 1;
}
}
if (m_eAction == kActionPad)
{
if (!padFile())
{
printf("ERROR: pad file failed\n\n");
return 1;
}
}
if (m_eAction == kActionDiff)
{
if (!diffFile())
{
printf("ERROR: create patch file failed\n\n");
return 1;
}
}
if (m_eAction == kActionPatch)
{
if (!patchFile())
{
printf("ERROR: apply patch file failed\n\n");
return 1;
}
}
if (m_eAction == kActionSample)
{
return sample();
}
if (m_eAction == kActionHelp)
{
return Help();
}
return 0;
}