bool JPAK::LoadFromFile(string &filename) {
char magic[5];
unsigned int tableoffset;
unsigned int fsize = 0;
jpakfile.open(filename.c_str());
jpakfilename = filename;
if(jpakfile.good()) {
jpakfile.read(magic,5);
if(strncmp("JPAK1",magic,5) == 0) {
jpakfile.seekg(0,ios_base::end);
fsize = jpakfile.tellg();
jpakfile.seekg(-4,ios_base::end);
jpakfile.read((char *)&tableoffset, 4);
jpakfile.seekg(tableoffset, ios_base::beg);
char table[fsize-tableoffset-3];
jpakfile.read(table, fsize-tableoffset-4);
table[fsize-tableoffset-4] = 0x00;
string table_s = table;
jpakfile.seekg(0,ios_base::beg);
if(ProcessTable(table_s)) {
ready = true;
return true;
}else{
cout << "Cannot parse JPAK Table!" << endl;
return false;
}
}else{
cout << "Invalid JPAK file! " << endl;
return false;
}
}else{
cout << "Cannot open file " << filename << endl;
return false;
}
}
BOOL CStaticDataMgr::ProcessDBFile( std::string strDbFile )
{
try
{
m_DBConnection.open(strDbFile.c_str());
}
catch(CppSQLite3Exception& e)
{
printf("%s",e.errorMessage());
return FALSE;
}
CppSQLite3Query TableNames = m_DBConnection.execQuery("SELECT name FROM sqlite_master WHERE type='table' ORDER BY name");
while(!TableNames.eof())
{
std::string strSql ="SELECT * from ";
std::string strTbName = TableNames.getStringField("name", NULL);
strSql += strTbName;
CppSQLite3Query Tabledatas = m_DBConnection.execQuery(strSql.c_str());
ProcessTable(strTbName, Tabledatas);
TableNames.nextRow();
}
m_DBConnection.close();
return TRUE;
}
void processTrie(triePo trie, trieProc proc, void *cl) {
if (trie != NULL) {
ClRecord Cl =
{cl, proc};
ProcessTable(trieEntryProc, trie->follows, (void *) &Cl);
}
}
retCode trieEntryProc(void *n, void *v, void *cl) {
char K = (char) n;
triePo T = (triePo) v;
clPo P = (clPo) cl;
P->proc(T->prefix, T->value, P->cl);
if (T->follows != NULL) {
return ProcessTable(trieEntryProc, T->follows, cl);
}
return Ok;
}
void DDF(vec_pair_GF2X_long& factors, const GF2X& ff, long verbose)
{
GF2X f = ff;
if (IsZero(f)) Error("DDF: bad args");
factors.SetLength(0);
if (deg(f) == 0)
return;
if (deg(f) == 1) {
AddFactor(factors, f, 1, verbose);
return;
}
long GCDTableSize = GF2X_BlockingFactor;
GF2XModulus F;
build(F, f);
long i, d, limit, old_n;
GF2X g, X;
vec_GF2X tbl(INIT_SIZE, GCDTableSize);
SetX(X);
i = 0;
SqrMod(g, X, F);
d = 1;
limit = GCDTableSize;
while (2*d <= deg(f)) {
old_n = deg(f);
add(tbl[i], g, X);
i++;
if (i == limit) {
ProcessTable(f, factors, F, i, tbl, d, verbose);
i = 0;
}
d = d + 1;
if (2*d <= deg(f)) {
// we need to go further
if (deg(f) < old_n) {
// f has changed
build(F, f);
rem(g, g, F);
}
SqrMod(g, g, F);
}
}
ProcessTable(f, factors, F, i, tbl, d-1, verbose);
if (!IsOne(f)) AddFactor(factors, f, deg(f), verbose);
}
void DDF(vec_pair_ZZ_pX_long& factors, const ZZ_pX& ff, const ZZ_pX& hh,
long verbose)
{
ZZ_pX f = ff;
ZZ_pX h = hh;
if (!IsOne(LeadCoeff(f)))
Error("DDF: bad args");
factors.SetLength(0);
if (deg(f) == 0)
return;
if (deg(f) == 1) {
AddFactor(factors, f, 1, verbose);
return;
}
long CompTableSize = 2*SqrRoot(deg(f));
long GCDTableSize = ZZ_pX_BlockingFactor;
ZZ_pXModulus F;
build(F, f);
ZZ_pXArgument H;
build(H, h, F, min(CompTableSize, deg(f)));
long i, d, limit, old_n;
ZZ_pX g, X;
vec_ZZ_pX tbl(INIT_SIZE, GCDTableSize);
SetX(X);
i = 0;
g = h;
d = 1;
limit = GCDTableSize;
while (2*d <= deg(f)) {
old_n = deg(f);
sub(tbl[i], g, X);
i++;
if (i == limit) {
ProcessTable(f, factors, F, i, tbl, d, verbose);
i = 0;
}
d = d + 1;
if (2*d <= deg(f)) {
// we need to go further
if (deg(f) < old_n) {
// f has changed
build(F, f);
rem(h, h, f);
rem(g, g, f);
build(H, h, F, min(CompTableSize, deg(f)));
}
CompMod(g, g, H, F);
}
}
ProcessTable(f, factors, F, i, tbl, d-1, verbose);
if (!IsOne(f)) AddFactor(factors, f, deg(f), verbose);
}
