signed char
LzmaEndAnalyzer::analyze(AnalysisResult& idx, InputStream* in) {
if(!in)
return -1;
LZMAInputStream stream(in);
// since this is lzma file, its likely that it contains a tar file
const char* start = 0;
int32_t nread = stream.read(start, 1024, 0);
if (nread < -1) {
fprintf(stderr, "Error reading lzma: %s\n", stream.error());
return -2;
}
idx.addValue(factory->typeField,
"http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#Archive");
stream.reset(0);
if (TarInputStream::checkHeader(start, nread)) {
return TarEndAnalyzer::staticAnalyze(idx, &stream);
} else {
std::string name = idx.fileName();
string::size_type len = name.length();
if (len > 5 && name.substr(len-5)==".lzma") {
name = name.substr(0, len-5);
}
return idx.indexChild(name, idx.mTime(), &stream);
}
}
signed char
GZipEndAnalyzer::analyze(AnalysisResult& idx, InputStream* in) {
if(!in)
return -1;
GZipInputStream stream(in);
// since this is gzip file, its likely that it contains a tar file
const char* start = 0;
int32_t nread = stream.read(start, 1024, 0);
if (nread < -1) {
printf("Error reading gzip: %s\n", stream.error());
return -2;
}
idx.addValue(factory->typeField, "http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#Archive");
stream.reset(0);
if (TarInputStream::checkHeader(start, nread)) {
return TarEndAnalyzer::staticAnalyze(idx, &stream);
} else {
std::string file = idx.fileName();
size_t len = file.length();
if (len > 3 && file.substr(len-3) == ".gz") {
file = file.substr(0, len-3);
}
signed char r = idx.indexChild(file, idx.mTime(), &stream);
idx.finishIndexChild();
return r;
}
}