forward cppcheck options + rename config option 'args' to 'extra_args' (#9)

Author: ludviggunne

README.md

@@ -19,4 +19,4 @@ The configuration file is written in json, as **run-cppcheck-config.json**. It i
 - **log_file**: Path to log file. The default log file location is `$XDG_STATE_HOME/run-cppcheck` or `$HOME/.local/state/run-cppcheck` on Linux,
                 and `%LOCALAPPDATA%\run-cppcheck` on Windows. The log file may provide more information than the editor plugin if analysis fails.
 - **enable_logging**: Default is `true`.
-- **args**: Extra arguments to pass to cppcheck. Example: `["--enable=style"]`.
+- **extra_args**: Extra arguments to pass to cppcheck. Example: `["--enable=style"]`.

config.cpp

@@ -71,7 +71,7 @@ std::string Config::load(const std::filesystem::path &path)
             continue;
         }
 
-        if (key == "args") {
+        if (key == "extra_args") {
             if (!value.is<picojson::array>())
                 return "Invalid value type for '" + key + "'";
 
@@ -150,8 +150,10 @@ std::string Config::parseArgs(int argc, char **argv)
             continue;
         }
 
-        if (arg[0] == '-')
-            return "Invalid option '" + std::string(arg) + "'";
+        if (arg[0] == '-') {
+            m_args.push_back(arg);
+            continue;
+        }
 
         if (!m_filename.empty())
             return "Multiple filenames provided";