Improve escaped character parsing

src/tokens.cpp

@@ -17,6 +17,25 @@ static bool iswhitespace(char& character) {
 static std::optional<char> get_escaped(std::string_view inspected) {
     if (inspected == "n")
         return '\n';
+    if (inspected == "r")
+        return '\r';
+    if (inspected == "t")
+        return '\t';
+    if (inspected.size() <= 3) {
+        for (char c : inspected) {
+            std::cout << c << std::endl;
+            if (!std::isdigit(c))
+                return {};
+            if (std::stoi(std::string{ c }) > 8)
+                return {};
+        }
+        unsigned int x;
+        std::stringstream ss;
+        ss << std::oct << inspected;
+        ss >> x;
+
+        return static_cast<char>(x);
+    }
     return {};
 }
 
@@ -162,15 +181,15 @@ namespace token {
                         std::string escaped_content{};
                         if ((i + 1) >= text_length) break;
                         auto potential = get_escaped(escaped_content + text[++i]);
-                        std::cout << "\"" << escaped_content << "\"" << std::endl;
                         while (potential.has_value() && (i + 1) < text_length) {
                             escaped_content += text[i];
-                            std::cout << "\"" << escaped_content << "\"" << std::endl;
                             potential = get_escaped(escaped_content + text[++i]);
                         }
+                        if (escaped_content.size() > 0) {
                             auto escaped = get_escaped(escaped_content);
                             if (escaped.has_value())
                                 content += *escaped;
+                        }
 
                         c = text[i];
                     }