bool WTemplate::_while(const std::vector<WString>& args,
std::ostream& result)
{
if (args.size() < 2)
return false;
WString tblock = WString::tr(args[1].toUTF8());
while (conditionValue(args[0].toUTF8()))
this->renderTemplateText(result, tblock);
return true;
}
void WTemplate::setCondition(const std::string& name, bool value)
{
if (conditionValue(name) != value) {
if (value)
conditions_.insert(name);
else
conditions_.erase(name);
changed_ = true;
repaint(RepaintInnerHtml);
}
}
void RegistrationWidget::update()
{
if (model_->passwordAuth())
bindString("password-description",
tr("Wt.Auth.password-registration"));
else
bindEmpty("password-description");
updateView(model_);
if (!created_) {
WLineEdit *password = resolve<WLineEdit *>
(RegistrationModel::ChoosePasswordField);
WLineEdit *password2 = resolve<WLineEdit *>
(RegistrationModel::RepeatPasswordField);
WText *password2Info = resolve<WText *>
(RegistrationModel::RepeatPasswordField + std::string("-info"));
if (password && password2 && password2Info)
model_->validatePasswordsMatchJS(password, password2, password2Info);
}
WAnchor *isYou = resolve<WAnchor *>("confirm-is-you");
if (!isYou) {
isYou = new WAnchor(std::string("#"), tr("Wt.Auth.confirm-is-you"));
isYou->hide();
bindWidget("confirm-is-you", isYou);
}
if (model_->isConfirmUserButtonVisible()) {
if (!isYou->clicked().isConnected())
isYou->clicked().connect(this, &RegistrationWidget::confirmIsYou);
isYou->show();
} else
isYou->hide();
if (model_->isFederatedLoginVisible()) {
if (!conditionValue("if:oauth")) {
setCondition("if:oauth", true);
if (model_->passwordAuth())
bindString("oauth-description", tr("Wt.Auth.or-oauth-registration"));
else
bindString("oauth-description", tr("Wt.Auth.oauth-registration"));
WContainerWidget *icons = new WContainerWidget();
icons->addStyleClass("Wt-field");
for (unsigned i = 0; i < model_->oAuth().size(); ++i) {
const OAuthService *service = model_->oAuth()[i];
WImage *w = new WImage("css/oauth-" + service->name() + ".png", icons);
w->setToolTip(service->description());
w->setStyleClass("Wt-auth-icon");
w->setVerticalAlignment(AlignMiddle);
OAuthProcess *const process
= service->createProcess(service->authenticationScope());
w->clicked().connect(process, &OAuthProcess::startAuthenticate);
process->authenticated().connect
(boost::bind(&RegistrationWidget::oAuthDone, this, process, _1));
WObject::addChild(process);
}
bindWidget("icons", icons);
}
} else {
setCondition("if:oauth", false);
bindEmpty("icons");
}
if (!created_) {
WPushButton *okButton = new WPushButton(tr("Wt.Auth.register"));
WPushButton *cancelButton = new WPushButton(tr("Wt.WMessageBox.Cancel"));
bindWidget("ok-button", okButton);
bindWidget("cancel-button", cancelButton);
okButton->clicked().connect(this, &RegistrationWidget::doRegister);
cancelButton->clicked().connect(this, &RegistrationWidget::close);
created_ = true;
}
}
void WTemplate::renderTemplateText(std::ostream& result, const WString& templateText)
{
std::string text;
WApplication *app = WApplication::instance();
if (app && (encodeInternalPaths_ || app->session()->hasSessionIdInUrl())) {
WFlags<RefEncoderOption> options;
if (encodeInternalPaths_)
options |= EncodeInternalPaths;
if (app->session()->hasSessionIdInUrl())
options |= EncodeRedirectTrampoline;
WString t = templateText;
EncodeRefs(t, options);
text = t.toUTF8();
} else
text = templateText.toUTF8();
std::size_t lastPos = 0;
std::vector<WString> args;
std::vector<std::string> conditions;
int suppressing = 0;
for (std::size_t pos = text.find('$'); pos != std::string::npos;
pos = text.find('$', pos)) {
if (!suppressing)
result << text.substr(lastPos, pos - lastPos);
lastPos = pos;
if (pos + 1 < text.length()) {
if (text[pos + 1] == '$') { // $$ -> $
if (!suppressing)
result << '$';
lastPos += 2;
} else if (text[pos + 1] == '{') {
std::size_t startName = pos + 2;
std::size_t endName = text.find_first_of(" \r\n\t}", startName);
args.clear();
std::size_t endVar = parseArgs(text, endName, args);
if (endVar == std::string::npos) {
LOG_ERROR("variable syntax error near \"" << text.substr(pos)
<< "\"");
return;
}
std::string name = text.substr(startName, endName - startName);
std::size_t nl = name.length();
if (nl > 2 && name[0] == '<' && name[nl - 1] == '>') {
if (name[1] != '/') {
std::string cond = name.substr(1, nl - 2);
conditions.push_back(cond);
if (suppressing || !conditionValue(cond))
++suppressing;
} else {
std::string cond = name.substr(2, nl - 3);
if (conditions.back() != cond) {
LOG_ERROR("mismatching condition block end: " << cond);
return;
}
conditions.pop_back();
if (suppressing)
--suppressing;
}
} else {
if (!suppressing) {
std::size_t colonPos = name.find(':');
bool handled = false;
if (colonPos != std::string::npos) {
std::string fname = name.substr(0, colonPos);
std::string arg0 = name.substr(colonPos + 1);
args.insert(args.begin(), WString::fromUTF8(arg0));
if (resolveFunction(fname, args, result))
handled = true;
else
args.erase(args.begin());
}
if (!handled)
resolveString(name, args, result);
}
}
lastPos = endVar + 1;
} else {
if (!suppressing)
result << '$'; // $. -> $.
lastPos += 1;
}
} else {
if (!suppressing)
result << '$'; // $ at end of template -> $
lastPos += 1;
}
pos = lastPos;
}
result << text.substr(lastPos);
}
bool WTemplate::renderTemplateText(std::ostream& result, const WString& templateText)
{
errorText_ = "";
std::string text;
if (encodeTemplateText_)
text = encode(templateText.toUTF8());
else
text = templateText.toUTF8();
std::size_t lastPos = 0;
std::vector<WString> args;
std::vector<std::string> conditions;
int suppressing = 0;
for (std::size_t pos = text.find('$'); pos != std::string::npos;
pos = text.find('$', pos)) {
if (!suppressing)
result << text.substr(lastPos, pos - lastPos);
lastPos = pos;
if (pos + 1 < text.length()) {
if (text[pos + 1] == '$') { // $$ -> $
if (!suppressing)
result << '$';
lastPos += 2;
} else if (text[pos + 1] == '{') {
std::size_t startName = pos + 2;
std::size_t endName = text.find_first_of(" \r\n\t}", startName);
args.clear();
std::size_t endVar = parseArgs(text, endName, args);
if (endVar == std::string::npos) {
std::stringstream errorStream;
errorStream << "variable syntax error near \"" << text.substr(pos)
<< "\"";
errorText_ = errorStream.str();
LOG_ERROR(errorText_);
return false;
}
std::string name = text.substr(startName, endName - startName);
std::size_t nl = name.length();
if (nl > 2 && name[0] == '<' && name[nl - 1] == '>') {
if (name[1] != '/') {
std::string cond = name.substr(1, nl - 2);
conditions.push_back(cond);
if (suppressing || !conditionValue(cond))
++suppressing;
} else {
std::string cond = name.substr(2, nl - 3);
if (conditions.empty() || conditions.back() != cond) {
std::stringstream errorStream;
errorStream << "mismatching condition block end: " << cond;
errorText_ = errorStream.str();
LOG_ERROR(errorText_);
return false;
}
conditions.pop_back();
if (suppressing)
--suppressing;
}
} else {
if (!suppressing) {
std::size_t colonPos = name.find(':');
bool handled = false;
if (colonPos != std::string::npos) {
std::string fname = name.substr(0, colonPos);
std::string arg0 = name.substr(colonPos + 1);
args.insert(args.begin(), WString::fromUTF8(arg0));
if (resolveFunction(fname, args, result))
handled = true;
else
args.erase(args.begin());
}
if (!handled)
resolveString(name, args, result);
}
}
lastPos = endVar + 1;
} else {
if (!suppressing)
result << '$'; // $. -> $.
lastPos += 1;
}
} else {
if (!suppressing)
result << '$'; // $ at end of template -> $
lastPos += 1;
}
pos = lastPos;
}
result << text.substr(lastPos);
return true;
}