uint32_t add(const char* s) {
auto f = m_index.find(s);
if (f != m_index.end()) {
return uint32_t(f->second);
}
const char* cs = m_strings.add(s);
m_index[cs] = ++m_size;
if (m_size > max_entries) {
throw osmium::pbf_error("string table has too many entries");
}
return m_size;
}
void update(const char* value, const Osmium::OSM::Object& object, StringStore& string_store) {
key.count[object.type()]++;
value_hash_map_t::iterator values_iterator(values_hash.find(value));
if (values_iterator == values_hash.end()) {
Counter counter;
counter.count[object.type()] = 1;
values_hash.insert(std::pair<const char*, Counter>(string_store.add(value), counter));
values.count[object.type()]++;
} else {
values_iterator->second.count[object.type()]++;
if (values_iterator->second.count[object.type()] == 1) {
values.count[object.type()]++;
}
}
user_hash[object.uid()]++;
}
void clear() {
m_strings.clear();
m_index.clear();
m_size = 0;
m_strings.add("");
}
explicit StringTable(size_t size = default_stringtable_chunk_size) :
m_strings(size),
m_index(),
m_size(0) {
m_strings.add("");
}
