void MockReadonlyStore::load(PathRef fpath) {
FileStream fp(fpath.string().c_str(), "rb");
fp.disbuf();
NativeDataInput<InputBuffer> dio; dio.attach(&fp);
uint64_t fixlen, rows, strSize;
dio >> fixlen;
dio >> rows;
dio >> strSize;
m_fixedLen = size_t(fixlen);
m_rows.strpool.resize_no_init(size_t(strSize));
if (0 == m_fixedLen) {
m_rows.offsets.resize_no_init(size_t(rows + 1));
dio.ensureRead(m_rows.offsets.data(), m_rows.offsets.used_mem_size());
#if !defined(NDEBUG)
assert(m_rows.strpool.size() == m_rows.offsets.back());
for (size_t i = 0; i < rows; ++i) {
assert(m_rows.offsets[i] < m_rows.offsets[i+1]);
}
#endif
} else {
assert(m_rows.strpool.size() % m_fixedLen == 0);
assert(m_rows.strpool.size() / m_fixedLen == rows);
}
dio.ensureRead(m_rows.strpool.data(), m_rows.strpool.used_mem_size());
}
DFA_Interface* DFA_Interface::load_from(FILE* fp) {
using namespace febird;
FileStream file;
file.attach(fp);
file.disbuf();
std::string className;
try {
NativeDataInput<InputBuffer> dio; dio.attach(&file);
dio >> className;
#define ON_CLASS_IO(Class) \
if (BOOST_STRINGIZE(Class) == className) { \
std::auto_ptr<Class> au(new Class); \
dio >> *au; \
file.detach(); \
return au.release(); \
}
#include "dfa_class_io.hpp"
}
catch (...) {
file.detach();
throw;
}
file.detach();
string_appender<> msg;
msg << BOOST_CURRENT_FUNCTION << ": unknown Automata class: " << className;
throw std::invalid_argument(msg);
}
void MockWritableSegment::loadRecordStore(PathRef dir) {
fs::path fpath = dir / "rows";
FileStream fp(fpath.string().c_str(), "rb");
fp.disbuf();
NativeDataInput<InputBuffer> dio; dio.attach(&fp);
dio >> m_rows;
}
Logged(Tab* tab, const std::string& dir) {
assert(NULL != tab);
this->tab = tab;
fmain = dir + "/main";
flog = dir + "/log";
FileStream file;
if (file.xopen(fmain.c_str(), "rb")) {
NativeDataInput<InputBuffer> dio; dio.attach(&file);
dio >> *tab; // load the check point
file.close();
}
void MockReadonlyIndex::load(PathRef fpath) {
FileStream fp(fpath.string().c_str(), "rb");
fp.disbuf();
NativeDataInput<InputBuffer> dio; dio.attach(&fp);
uint64_t fixlen, rows, keylen;
dio >> fixlen;
dio >> rows;
dio >> keylen;
m_ids.resize_no_init(size_t(rows));
dio.ensureRead(m_ids.data(), m_ids.used_mem_size());
if (0 == fixlen) {
m_keys.offsets.resize_no_init(size_t(rows + 1));
dio.ensureRead(m_keys.offsets.data(), m_keys.offsets.used_mem_size());
}
else {
assert(fixlen * rows == keylen);
}
m_keys.strpool.resize_no_init(size_t(keylen));
dio.ensureRead(m_keys.strpool.data(), size_t(keylen));
m_fixedLen = size_t(fixlen);
}
void MockWritableIndex<Key>::load(PathRef fpath) {
FileStream fp(fpath.string().c_str(), "rb");
fp.disbuf();
NativeDataInput<InputBuffer> dio; dio.attach(&fp);
dio >> m_kv;
}
