X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/c4de3b4124781ae066e774981efb0a6ef8c857ed..745a5ade14924e2b2684a280e4cb75a9c1d3bee7:/src/xbt/config.cpp

diff --git a/src/xbt/config.cpp b/src/xbt/config.cpp
index 07d839f327..762a5ec4d1 100644
--- a/src/xbt/config.cpp
+++ b/src/xbt/config.cpp
@@ -143,8 +143,11 @@ public:
   /* Callback */
   xbt_cfg_cb_t old_callback = nullptr;
 
-  ConfigurationElement(std::string key, std::string desc) : key(key), desc(desc) {}
-  ConfigurationElement(std::string key, std::string desc, xbt_cfg_cb_t cb) : key(key), desc(desc), old_callback(cb) {}
+  ConfigurationElement(const std::string& key, const std::string& desc) : key(key), desc(desc) {}
+  ConfigurationElement(const std::string& key, const std::string& desc, xbt_cfg_cb_t cb)
+      : key(key), desc(desc), old_callback(cb)
+  {
+  }
 
   virtual ~ConfigurationElement() = default;
 
@@ -154,15 +157,15 @@ public:
 
   template <class T> T const& get_value() const
   {
-    return dynamic_cast<const TypedConfigurationElement<T>&>(*this).get_value();
+    return static_cast<const TypedConfigurationElement<T>&>(*this).get_value();
   }
   template <class T> void set_value(T value)
   {
-    dynamic_cast<TypedConfigurationElement<T>&>(*this).set_value(std::move(value));
+    static_cast<TypedConfigurationElement<T>&>(*this).set_value(std::move(value));
   }
   template <class T> void set_default_value(T value)
   {
-    dynamic_cast<TypedConfigurationElement<T>&>(*this).set_default_value(std::move(value));
+    static_cast<TypedConfigurationElement<T>&>(*this).set_default_value(std::move(value));
   }
   void unset_default() { isdefault = false; }
   bool is_default() const { return isdefault; }
@@ -181,13 +184,13 @@ private:
   std::function<void(T&)> callback;
 
 public:
-  TypedConfigurationElement(std::string key, std::string desc, T value = T())
+  TypedConfigurationElement(const std::string& key, const std::string& desc, T value = T())
       : ConfigurationElement(key, desc), content(std::move(value))
   {}
-  TypedConfigurationElement(std::string key, std::string desc, T value, xbt_cfg_cb_t cb)
+  TypedConfigurationElement(const std::string& key, const std::string& desc, T value, xbt_cfg_cb_t cb)
       : ConfigurationElement(key, desc, cb), content(std::move(value))
   {}
-  TypedConfigurationElement(std::string key, std::string desc, T value, std::function<void(T&)> callback)
+  TypedConfigurationElement(const std::string& key, const std::string& desc, T value, std::function<void(T&)> callback)
       : ConfigurationElement(key, desc), content(std::move(value)), callback(std::move(callback))
   {}
   ~TypedConfigurationElement() = default;
@@ -262,11 +265,11 @@ public:
   Config(Config const&) = delete;
   Config& operator=(Config const&) = delete;
 
-  ConfigurationElement& operator[](std::string name);
-  void alias(std::string realname, std::string aliasname);
+  ConfigurationElement& operator[](const std::string& name);
+  void alias(const std::string& realname, const std::string& aliasname);
 
   template <class T, class... A>
-  simgrid::config::TypedConfigurationElement<T>* register_option(std::string name, A&&... a)
+  simgrid::config::TypedConfigurationElement<T>* register_option(const std::string& name, A&&... a)
   {
     xbt_assert(options.find(name) == options.end(), "Refusing to register the config element '%s' twice.",
                name.c_str());
@@ -284,7 +287,7 @@ public:
   void help();
 
 protected:
-  ConfigurationElement* get_dict_element(std::string name);
+  ConfigurationElement* get_dict_element(const std::string& name);
 };
 
 Config::Config()
@@ -298,7 +301,7 @@ Config::~Config()
     delete elm.second;
 }
 
-inline ConfigurationElement* Config::get_dict_element(std::string name)
+inline ConfigurationElement* Config::get_dict_element(const std::string& name)
 {
   auto opt = options.find(name);
   if (opt != options.end()) {
@@ -316,12 +319,12 @@ inline ConfigurationElement* Config::get_dict_element(std::string name)
   }
 }
 
-inline ConfigurationElement& Config::operator[](std::string name)
+inline ConfigurationElement& Config::operator[](const std::string& name)
 {
   return *(get_dict_element(name));
 }
 
-void Config::alias(std::string realname, std::string aliasname)
+void Config::alias(const std::string& realname, const std::string& aliasname)
 {
   xbt_assert(aliases.find(aliasname) == aliases.end(), "Alias '%s' already.", aliasname.c_str());
   ConfigurationElement* element = this->get_dict_element(realname);
@@ -400,8 +403,9 @@ void set_as_string(const char* name, const std::string& value)
   (*simgrid_config)[name].set_string_value(value.c_str());
 }
 
-void set_parse(std::string options)
+void set_parse(const std::string& opt)
 {
+  std::string options(opt);
   XBT_DEBUG("List to parse and set:'%s'", options.c_str());
   while (not options.empty()) {
     XBT_DEBUG("Still to parse and set: '%s'", options.c_str());
@@ -435,15 +439,15 @@ void set_parse(std::string options)
 
 // ***** get_value *****
 
-template <class T> XBT_PUBLIC T const& get_value(std::string name)
+template <class T> XBT_PUBLIC T const& get_value(const std::string& name)
 {
   return (*simgrid_config)[name].get_value<T>();
 }
 
-template XBT_PUBLIC int const& get_value<int>(std::string name);
-template XBT_PUBLIC double const& get_value<double>(std::string name);
-template XBT_PUBLIC bool const& get_value<bool>(std::string name);
-template XBT_PUBLIC std::string const& get_value<std::string>(std::string name);
+template XBT_PUBLIC int const& get_value<int>(const std::string& name);
+template XBT_PUBLIC double const& get_value<double>(const std::string& name);
+template XBT_PUBLIC bool const& get_value<bool>(const std::string& name);
+template XBT_PUBLIC std::string const& get_value<std::string>(const std::string& name);
 
 // ***** alias *****
 
@@ -456,20 +460,21 @@ void alias(const char* realname, std::initializer_list<const char*> aliases)
 // ***** declare_flag *****
 
 template <class T>
-XBT_PUBLIC void declare_flag(std::string name, std::string description, T value, std::function<void(const T&)> callback)
+XBT_PUBLIC void declare_flag(const std::string& name, const std::string& description, T value,
+                             std::function<void(const T&)> callback)
 {
   if (simgrid_config == nullptr)
     simgrid_config = new simgrid::config::Config();
   simgrid_config->register_option<T>(name, description, std::move(value), std::move(callback));
 }
 
-template XBT_PUBLIC void declare_flag(std::string name, std::string description, int value,
+template XBT_PUBLIC void declare_flag(const std::string& name, const std::string& description, int value,
                                       std::function<void(int const&)> callback);
-template XBT_PUBLIC void declare_flag(std::string name, std::string description, double value,
+template XBT_PUBLIC void declare_flag(const std::string& name, const std::string& description, double value,
                                       std::function<void(double const&)> callback);
-template XBT_PUBLIC void declare_flag(std::string name, std::string description, bool value,
+template XBT_PUBLIC void declare_flag(const std::string& name, const std::string& description, bool value,
                                       std::function<void(bool const&)> callback);
-template XBT_PUBLIC void declare_flag(std::string name, std::string description, std::string value,
+template XBT_PUBLIC void declare_flag(const std::string& name, const std::string& description, std::string value,
                                       std::function<void(std::string const&)> callback);
 
 void finalize()