void Tester::TestGrammar(bool benchmark)
{
mResult->clear();
fs::path grammar = fs::path("/tmp") / (sessionId() + ".lua");
ofstream ofs(grammar.string().c_str());
if (ofs) {
ofs << mGrammar->text();
ofs.close();
} else {
stringstream ss;
ss << "failed to open: " << grammar;
Wt::WText* t = new Wt::WText(ss.str(), mResult);
t->setStyleClass("result_error");
Wt::log("error") << ss.str();
return;
}
lua_sandbox* sb = lsb_create(NULL, grammar.string().c_str(), "modules",
8*1024*1024, 1e6, 1024*63);
if (!sb) {
stringstream ss;
ss << "lsb_create() failed";
Wt::WText* t = new Wt::WText(ss.str(), mResult);
t->setStyleClass("result_error");
Wt::log("error") << ss.str();
return;
}
if (lsb_init(sb, nullptr)) {
stringstream ss;
string error = lsb_get_error(sb);
size_t pos = error.find_first_of(':');
if (pos != string::npos) {
ss << "line " << error.substr(pos + 1);
} else {
ss << error;
}
Wt::WText* t = new Wt::WText(ss.str(), mResult);
t->setStyleClass("result_error");
Wt::log("info") << ss.str();
return;
}
if (benchmark) {
Benchmark(sb, mInput->text().narrow());
} else {
Match(sb, mInput->text().narrow());
}
char* e = lsb_destroy(sb, nullptr);
if (e) {
stringstream ss;
ss << "lsb_destroy() failed: " << e;
Wt::WText* t = new Wt::WText(ss.str(), mResult);
t->setStyleClass("result_error");
Wt::log("info") << ss.str();
free(e);
}
}
void Tester::ShareGrammar()
{
boost::hash<std::string> string_hash;
string data(mInput->text().narrow() + mGrammar->text().narrow());
string h = boost::lexical_cast<string>(string_hash(data));
fs::path input = fs::path(appRoot()) / "share" / (h + ".data");
if (!exists(input)) {
ofstream data_fs(input.string().c_str());
if (data_fs) {
data_fs << mInput->text();
data_fs.close();
} else {
stringstream ss;
ss << "failed to open: " << input;
Wt::WText* t = new Wt::WText(ss.str(), mResult);
t->setStyleClass("result_error");
Wt::log("error") << ss.str();
return;
}
fs::path grammar = fs::path(appRoot()) / "share" / (h + ".lua");
ofstream lua_fs(grammar.string().c_str());
if (lua_fs) {
lua_fs << mGrammar->text();
lua_fs.close();
} else {
stringstream ss;
ss << "failed to open: " << grammar;
Wt::WText* t = new Wt::WText(ss.str(), mResult);
t->setStyleClass("result_error");
Wt::log("error") << ss.str();
return;
}
}
setInternalPath("/share/" + h);
Wt::WMessageBox* messageBox = new Wt::WMessageBox("Share", makeAbsoluteUrl(bookmarkUrl()), Wt::Information, Wt::Ok);
messageBox->buttonClicked().connect(std::bind([=]() {
delete messageBox;
}));
messageBox->show();
}
// Static Functions
/// Returns the value of pretty much all widget types
static WString getValue(WFormWidget* widget) {
Wt::WComboBox* asComboBox = dynamic_cast<Wt::WComboBox*>(widget);
if (asComboBox != 0)
return asComboBox->currentText();
Wt::WLineEdit* asLineEdit = dynamic_cast<Wt::WLineEdit*>(widget);
if (asLineEdit != 0)
return asLineEdit->text();
Wt::WSlider* asSlider = dynamic_cast<Wt::WSlider*>(widget);
if (asSlider != 0) {
std::stringstream out;
out << asSlider->value();
return out.str();
}
Wt::WTextArea* asTextArea = dynamic_cast<Wt::WTextArea*>(widget);
if (asTextArea != 0)
return asTextArea->text();
throw std::logic_error("I don't know how to get the value of whatever widget you passed me");
}