result_t fs_base::clearZipFS(exlib::string fname)
{
if (fname.empty()) {
s_cachelock.lock();
s_cache.clear();
s_cachelock.unlock();
} else {
std::list<obj_ptr<cache_node>>::iterator it;
exlib::string safe_name;
path_base::normalize(fname, safe_name);
s_cachelock.lock();
for (it = s_cache.begin(); it != s_cache.end(); ++it)
if ((*it)->m_name == safe_name) {
s_cache.erase(it);
break;
}
s_cachelock.unlock();
}
return 0;
}
result_t fs_base::setZipFS(exlib::string fname, Buffer_base* data)
{
result_t hr;
std::list<obj_ptr<cache_node>>::iterator it;
obj_ptr<ZipFile_base> zfile;
obj_ptr<cache_node> _node;
hr = zip_base::cc_open(data, "r", zip_base::_ZIP_DEFLATED, zfile);
if (hr < 0)
return hr;
obj_ptr<NArray> list;
hr = zfile->cc_readAll("", list);
if (hr < 0)
return hr;
exlib::string safe_name;
path_base::normalize(fname, safe_name);
_node = new cache_node();
_node->m_name = safe_name;
_node->m_list = list;
_node->m_date = INFINITY;
_node->m_mtime.now();
s_cachelock.lock();
for (it = s_cache.begin(); it != s_cache.end(); ++it)
if ((*it)->m_name == safe_name) {
*it = _node;
break;
}
if (it == s_cache.end())
s_cache.push_back(_node);
s_cachelock.unlock();
return 0;
}
result_t fs_base::openFile(exlib::string fname, exlib::string flags,
obj_ptr<SeekableStream_base>& retVal, AsyncEvent* ac)
{
if (ac->isSync())
return CHECK_ERROR(CALL_E_NOSYNC);
exlib::string safe_name;
path_base::normalize(fname, safe_name);
size_t pos = safe_name.find('$');
if (pos != exlib::string::npos && safe_name[pos + 1] == PATH_SLASH) {
exlib::string zip_file = safe_name.substr(0, pos);
exlib::string member = safe_name.substr(pos + 2);
obj_ptr<ZipFile_base> zfile;
obj_ptr<Buffer_base> data;
exlib::string strData;
result_t hr;
#ifdef _WIN32
bool bChanged = false;
exlib::string member1 = member;
{
int32_t sz = (int32_t)member1.length();
const char* buf = member1.c_str();
for (int32_t i = 0; i < sz; i++)
if (buf[i] == PATH_SLASH) {
member[i] = '/';
bChanged = true;
}
}
#endif
obj_ptr<cache_node> _node;
obj_ptr<SeekableStream_base> zip_stream;
obj_ptr<Stat_base> stat;
std::list<obj_ptr<cache_node>>::iterator it;
date_t _now;
_now.now();
s_cachelock.lock();
for (it = s_cache.begin(); it != s_cache.end(); ++it)
if ((*it)->m_name == zip_file) {
_node = *it;
break;
}
s_cachelock.unlock();
if (_node && (_now.diff(_node->m_date) > 3000)) {
hr = openFile(zip_file, "r", zip_stream, ac);
if (hr < 0)
return hr;
hr = zip_stream->cc_stat(stat);
if (hr < 0)
return hr;
date_t _mtime;
stat->get_mtime(_mtime);
if (_mtime.diff(_node->m_mtime) != 0)
_node.Release();
else
_node->m_date = _now;
}
if (_node == NULL) {
if (zip_stream == NULL) {
hr = openFile(zip_file, "r", zip_stream, ac);
if (hr < 0)
return hr;
hr = zip_stream->cc_stat(stat);
if (hr < 0)
return hr;
}
obj_ptr<Buffer_base> zip_data;
hr = zip_stream->cc_readAll(zip_data);
if (hr < 0)
return hr;
hr = zip_base::cc_open(zip_data, "r", zip_base::_ZIP_DEFLATED, zfile);
if (hr < 0)
return hr;
obj_ptr<NArray> list;
hr = zfile->cc_readAll("", list);
if (hr < 0)
return hr;
_node = new cache_node();
_node->m_name = zip_file;
_node->m_list = list;
_node->m_date.now();
stat->get_mtime(_node->m_mtime);
s_cachelock.lock();
for (it = s_cache.begin(); it != s_cache.end(); ++it)
if ((*it)->m_name == zip_file) {
*it = _node;
break;
}
if (it == s_cache.end())
s_cache.push_back(_node);
s_cachelock.unlock();
}
int32_t len, i;
bool bFound = false;
obj_ptr<ZipFile::Info> zi;
_node->m_list->get_length(len);
for (i = 0; i < len; i++) {
Variant v;
exlib::string s;
_node->m_list->_indexed_getter(i, v);
zi = (ZipFile::Info*)v.object();
zi->get_filename(s);
if (member == s) {
bFound = true;
break;
}
#ifdef _WIN32
if (bChanged && member1 == s) {
member = member1;
bFound = true;
break;
}
#endif
}
if (!bFound)
return CALL_E_FILE_NOT_FOUND;
date_t _d;
zi->get_data(data);
if (data)
data->toString(strData);
zi->get_date(_d);
if (_d.empty())
_d = _node->m_date;
retVal = new MemoryStream::CloneStream(strData, _d);
} else {
obj_ptr<File> pFile = new File();
result_t hr;
Isolate* isolate = Runtime::check() ? Isolate::current() : ac->isolate();
if (isolate && !isolate->m_bFileAccess)
return CHECK_ERROR(CALL_E_INVALID_CALL);
hr = pFile->open(safe_name, flags);
if (hr < 0)
return hr;
retVal = pFile;
}
return 0;
}
