bool GraphvizGenerator::generateCode(const ObjectModel* model)
{
LITESQL_String fname = getOutputFilename(toLower(model->db.name + LITESQL_L(".dot")));
LITESQL_ofSstream os(fname.c_str());
os << LITESQL_L("digraph database {") << std::endl
<< LITESQL_L(" node[shape=box,color=black];") << std::endl
<< LITESQL_L(" subgraph inheritance {") << std::endl
<< LITESQL_L(" edge[style=dashed,dir=forward,arrowhead=normal];") << std::endl;
CodeGenerator::generate(model->objects,os,4);
os << LITESQL_L(" }") << std::endl
<< LITESQL_L(" subgraph relations {") << std::endl
<< LITESQL_L(" edge[dir=forward,arrowhead=vee];") << std::endl;
CodeGenerator::generate(model->relations,os,4);
os << LITESQL_L(" }") << std::endl
<< LITESQL_L("}") << std::endl;
os.close();
return true;
}
bool startsWith(const LITESQL_String& what, const LITESQL_String& with) {
if (what.size() < with.size())
return false;
if (what.substr(0, with.size()) == with)
return true;
return false;
}
bool ActiveRecordClassGenerator::generate(const xml::ObjectPtr& object)
{
LITESQL_String fname = getOutputFilename(toLower(object->name + LITESQL_L(".rb")));
LITESQL_ofSstream os(fname.c_str());
LITESQL_String baseClass = object->parentObject.get() ? object->inherits : LITESQL_L("ActiveRecord::Base");
os << LITESQL_L("class ") << object->name << LITESQL_L(" < ") << baseClass << std::endl;
for (RelationHandle::sequence::const_iterator it = object->handles.begin(); it!= object->handles.end(); it++) {
os << ((*it)->relate->hasLimit() ? LITESQL_L("has_one") : LITESQL_L("has_many"))
<< LITESQL_L(" :") << (*it)->name;
if (!(*it)->name.empty())
os << LITESQL_L(", :through => :") << (*it)->name;
os << std::endl;
}
os << LITESQL_L("end") << std::endl;
os.close();
return true;
}
LITESQL_String lstrip(const LITESQL_String& s) {
unsigned int pos = 0;
while (1) {
if (isspace(s[pos]) && pos < s.size()-1)
pos++;
else
break;
}
return s.substr(pos, s.size());
}
LITESQL_String rstrip(const LITESQL_String& s) {
if (s.empty())
return s;
int pos = s.size()-1;
while (1) {
if (isspace(s[pos]) && pos > 0)
pos--;
else
break;
}
return s.substr(0, pos+1);
}
LITESQL_String CodeGenerator::getOutputFilename(const LITESQL_String& name) const
{
LITESQL_String fname = getOutputDirectory();
if (!fname.empty())
{
#ifdef WIN32
fname.append(LITESQL_L("\\"));
#else
fname.append(LITESQL_L("/"));
#endif // #ifdef _WINDOWS_
}
fname.append(name);
return fname;
}
int hexToInt(const LITESQL_String& s) {
int res = 0;
for (size_t i = 0; i < s.size(); i++) {
int multiplier = 1;
int exp = (s.size() - 1 - i);
while (exp-- > 0)
multiplier *= 16;
int ch = s[i];
if (ch >= '0' && ch <= '9')
res += multiplier * (ch - '0');
else if (ch >= 'a' && ch <= 'z')
res += multiplier * (ch - 'a');
else if (ch >= 'A' && ch <= 'Z')
res += multiplier * (ch - 'A');
}
return res;
}
ODBCBackend::ODBCBackend(const LITESQL_String& connInfo) : /*db(NULL),*/ transaction(false) {
Split params(connInfo, LITESQL_L(";"));
LITESQL_String database;
for (size_t i = 0; i < params.size(); i++) {
Split param(params[i], LITESQL_L("="));
if (param.size() == 1)
continue;
if (param[0] == LITESQL_L("database"))
database = param[1];
}
if (database.size() == 0)
throw DatabaseError(LITESQL_L("no database-param specified"));
/* if (ODBCBackend_open(database.c_str(), &db)) {
throw DatabaseError(ODBCBackend_errmsg(db));
}
*/
}
bool endsWith(const LITESQL_String& what, const LITESQL_String& with) {
if (what.size() < with.size())
return false;
if (what.substr(what.size()-with.size(), what.size()) == with)
return true;
return false;
}
int atoi(const LITESQL_String &s) {
return _tstoi(s.c_str());
}
LITESQL_String decapitalize(const LITESQL_String& s) {
if (s.empty())
return s;
LITESQL_Char buf[2] = {tolower(s[0]), 0};
return LITESQL_String(buf) + s.substr(1, s.size());
}
LITESQL_String toUpper(LITESQL_String s) {
for (unsigned int i = 0; i < s.size(); i++)
s[i] = toupper(s[i]);
return s;
}