std::string decodeUTF8EscapeCodes(const std::string& input) {
std::stringstream result;
for (size_t i = 0; i < input.size(); ++i) {
if (input[i] == '' && input[i + 1] == 'u') {
// Extracting hexadecimal value
std::string hexCode = input.substr(i + 2, 4);
unsigned int unicodeValue = std::stoi(hexCode, nullptr, 16);
// Handling UTF-8 encoding
if (unicodeValue <= 0x7F) {
result << static_cast<char>(unicodeValue);
} else if (unicodeValue <= 0x7FF) {
result << static_cast<char>(0xC0 | ((unicodeValue >> 6) & 0x1F));
result << static_cast<char>(0x80 | (unicodeValue & 0x3F));
} else if (unicodeValue <= 0xFFFF) {
result << static_cast<char>(0xE0 | ((unicodeValue >> 12) & 0x0F));
result << static_cast<char>(0x80 | ((unicodeValue >> 6) & 0x3F));
result << static_cast<char>(0x80 | (unicodeValue & 0x3F));
} else if (unicodeValue <= 0x10FFFF) {
result << static_cast<char>(0xF0 | ((unicodeValue >> 18) & 0x07));
result << static_cast<char>(0x80 | ((unicodeValue >> 12) & 0x3F));
result << static_cast<char>(0x80 | ((unicodeValue >> 6) & 0x3F));
result << static_cast<char>(0x80 | (unicodeValue & 0x3F));
}
// Move ahead by 5 characters as uXXXX is 6 characters in total
i += 5;
} else {
result << input[i];
}
}
return result.str();
}
{"html5":"htmlmixed","css":"css","javascript":"javascript","php":"php","python":"python","ruby":"ruby","lua":"text\/x-lua","bash":"text\/x-sh","go":"go","c":"text\/x-csrc","cpp":"text\/x-c++src","diff":"diff","latex":"stex","sql":"sql","xml":"xml","apl":"apl","asterisk":"asterisk","c_loadrunner":"text\/x-csrc","c_mac":"text\/x-csrc","coffeescript":"text\/x-coffeescript","csharp":"text\/x-csharp","d":"d","ecmascript":"javascript","erlang":"erlang","groovy":"text\/x-groovy","haskell":"text\/x-haskell","haxe":"text\/x-haxe","html4strict":"htmlmixed","java":"text\/x-java","java5":"text\/x-java","jquery":"javascript","mirc":"mirc","mysql":"sql","ocaml":"text\/x-ocaml","pascal":"text\/x-pascal","perl":"perl","perl6":"perl","plsql":"sql","properties":"text\/x-properties","q":"text\/x-q","scala":"scala","scheme":"text\/x-scheme","tcl":"text\/x-tcl","vb":"text\/x-vb","verilog":"text\/x-verilog","yaml":"text\/x-yaml","z80":"text\/x-z80"}