settings reader fix

src/coders/toml.cpp

@@ -45,15 +45,20 @@ class Reader : public BasicParser {
             if (is_digit(c)) {
                 number_u num;
                 parseNumber(1, num);
+                if (handler.has(name)) {
                     handler.setValue(name, *dynamic::Value::of(num));
+                }
             } else if (c == '-' || c == '+') {
                 int sign = c == '-' ? -1 : 1;
                 pos++;
                 number_u num;
                 parseNumber(sign, num);
+                if (handler.has(name)) {
                     handler.setValue(name, *dynamic::Value::of(num));
+                }
             } else if (is_identifier_start(c)) {
                 std::string identifier = parseName();
+                if (handler.has(name)) {
                     if (identifier == "true" || identifier == "false") {
                         bool flag = identifier == "true";
                         handler.setValue(name, *dynamic::Value::boolean(flag));
@@ -62,10 +67,13 @@ class Reader : public BasicParser {
                     } else if (identifier == "nan") {
                         handler.setValue(name, *dynamic::Value::of(NAN));
                     }
+                }
             } else if (c == '"' || c == '\'') {
                 pos++;
                 std::string str = parseString(c);
+                if (handler.has(name)) {
                     handler.setValue(name, *dynamic::Value::of(str));
+                }
             } else {
                 throw error("feature is not supported");
             }

src/files/settings_io.cpp

@@ -113,6 +113,10 @@ Setting* SettingsHandler::getSetting(const std::string& name) const {
     return found->second;
 }
 
+bool SettingsHandler::has(const std::string& name) const {
+    return map.find(name) != map.end();
+}
+
 template<class T>
 static void set_numeric_value(T* setting, const dynamic::Value& value) {
     switch (value.type) {

src/files/settings_io.hpp

@@ -26,6 +26,7 @@ public:
     void setValue(const std::string& name, const dynamic::Value& value);
     std::string toString(const std::string& name) const;
     Setting* getSetting(const std::string& name) const;
+    bool has(const std::string& name) const;
 
     std::vector<Section>& getSections();
 };