//------------------------------------------------------------------------------
void Compressor::startDecompression(void)
{
try
{
filtering_istreambuf in;
// register decompressor
in.push(zlib_decompressor(getZlibParams()));
in.push(*istream_);
// extract file to buffer
std::vector<char> file_buf;
back_insert_device< std::vector<char> > b_ins(file_buf);
copy(in, b_ins);
uncompressedIstream_ = std::shared_ptr<std::istream>(new v_stream(file_buf));
}
catch ( const zlib_error &z_err)
{
uncompressedIstream_.reset();
std::cerr << "Zlib decompression failed with error code: "
<< z_err.error() << std::endl;
throw z_err;
}
}
void Compression::ZlibDecompress (std::istream& is, std::ostream& os)
{
char buffer[32];
is.getline (buffer, sizeof(buffer), '#');
int size (atoi (buffer));
if (size == 0) return;
filtering_stream<input> fs;
fs.push (zlib_decompressor());
fs.push (restrict (is, 0, size));
boost::iostreams::copy(fs, os);
// fs.set_auto_close (false);
fs.pop ();
// Warning filtering stream is closed at destruction causing all underlying device to be clolsed as well.
}
bool ZipFileAsset::readAndUnzipFile(char* buffer) {
/*
for (int i = 0; i < this->getFileDataSize(); i++) {
*(buffer + i) = *(m_pDirData + i);
}
*/
stringstream ss;
filtering_istreambuf filter;
filter.push(zlib_decompressor());
/*
string dirDataStr = string_utils::charToString(m_pDirData);
ss << "Length: " << dirDataStr.length();
logger::info(ss);
ss << "Length FileData: " << getFileDataSize();
logger::info(ss);
ss << "--------- START ASSET---------";
logger::info(ss);
const char* pDirData = dirDataStr.c_str();
for (int i = 0; i << dirDataStr.length(); i++) {
ss << *(pDirData + i);
}
logger::info(ss);
ss << "--------- END ASSET ---------";
logger::info(ss);
*/
//array_source source(pZipFileAsset->getDirData(),
// pZipFileAsset->getFileDataSize());
//array_source source(zipString.c_str(), zipString.length());
string dirDataStr = string_utils::charToString(m_pDirData);
ss << "ZipFileAssset-Length: " << dirDataStr.length();
logger::info(ss);
ss << "ZipFileAssset-Length FileData: " << getFileDataSize();
logger::info(ss);
char* pStart = m_pDirData;
int i = 0;
while (*(pStart + i)) {
i++;
};
ss << "ZipFileAssset-dlugosc: " << i;
logger::info(ss);
int sizeAll = sizeof(m_pDirData);
int sizeOne = sizeof(m_pDirData[0]);
int sizeRes = sizeAll / sizeOne;
// array_source source(dirDataStr.c_str(), dirDataStr.length() + 1);
array_source source(getDirData(), getFileDataSize()); // OK
// array_source source(*m_pDirData,
// *(m_pDirData + this->getFileDataSize() - 1));
filter.push(source);
vector<char> vecString;
boost::iostreams::copy(filter, boost::iostreams::back_inserter(vecString));
this->debugSaveAsFile(vecString);
int position = 0;
for (vector<char>::iterator it = vecString.begin(); it != vecString.end();
++it) {
*(buffer + position) = *it;
position++;
}
return true;
}
