Method processEscape

src/core/parser.cpp:496–520

}

sptr<Atom> TeXParser::processEscape() throw(ex_parse) {
    _spos = _pos;
    wstring command = getCommand();

    if (command.length() == 0) return sptr<Atom>(new EmptyAtom());

    string cmd;
    wide2utf8(command.c_str(), cmd);
    auto it = MacroInfo::_commands.find(command);
    if (it != MacroInfo::_commands.end()) return processCommands(command);

    try {
        return TeXFormula::get(command)->_root;
    } catch (ex_formula_not_found& e) {
        try {
            return SymbolAtom::get(cmd);
        } catch (ex_symbol_not_found& ex) {}
    }

    // not a valid command or symbol or predefined TeXFormula found
    if (!_isPartial)
        throw ex_parse("Unknown symbol or command or predefined TeXFormula: '" + cmd + "'");
    sptr<Atom> rm(new RomanAtom(TeXFormula(L"\\backslash " + command)._root));
    return sptr<Atom>(new ColorAtom(rm, TRANS, RED));
}

sptr<Atom> TeXParser::processCommands(const wstring& command) throw(ex_parse) {
    MacroInfo* mac = MacroInfo::_commands[command];