Update copyright lines for 2022.

[simgrid.git] / include / xbt / config.hpp

diff --git a/include/xbt/config.hpp b/include/xbt/config.hpp
index 7dedb71..ac6c292 100644 (file)
--- a/include/xbt/config.hpp
+++ b/include/xbt/config.hpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2016-2020. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2016-2022. The SimGrid Team. All rights reserved.          */
 
 /* This program is free software; you can redistribute it and/or modify it
  * under the terms of the license (GNU LGPL) which comes with this package. */
@@ -117,7 +117,7 @@ template <class T>
 void bind_flag(T& value, const char* name, std::initializer_list<const char*> aliases, const char* description)
 {
   bind_flag(value, name, description);
-  alias(name, std::move(aliases));
+  alias(name, aliases);
 }
 
 /** Bind a variable to configuration flag
@@ -132,7 +132,7 @@ void bind_flag(T& value, const char* name, std::initializer_list<const char*> al
  */
 // F is a checker, F : T& -> ()
 template <class T, class F>
-typename std::enable_if<std::is_same<void, decltype(std::declval<F>()(std::declval<const T&>()))>::value, void>::type
+typename std::enable_if_t<std::is_same<void, decltype(std::declval<F>()(std::declval<const T&>()))>::value, void>
 bind_flag(T& value, const char* name, const char* description, F callback)
 {
   declare_flag(name, description, value, std::function<void(const T&)>([&value, callback](const T& val) {
@@ -142,46 +142,44 @@ bind_flag(T& value, const char* name, const char* description, F callback)
 }
 
 template <class T, class F>
-typename std::enable_if<std::is_same<void, decltype(std::declval<F>()(std::declval<const T&>()))>::value, void>::type
+typename std::enable_if_t<std::is_same<void, decltype(std::declval<F>()(std::declval<const T&>()))>::value, void>
 bind_flag(T& value, const char* name, std::initializer_list<const char*> aliases, const char* description, F callback)
 {
   bind_flag(value, name, description, std::move(callback));
-  alias(name, std::move(aliases));
+  alias(name, aliases);
 }
 
-template <class T, class F>
-typename std::enable_if<std::is_same<void, decltype(std::declval<F>()(std::declval<const T&>()))>::value, void>::type
-bind_flag(T& value, const char* name, const char* description, std::map<T, std::string> valid_values, F callback)
+template <class F>
+typename std::enable_if_t<std::is_same<void, decltype(std::declval<F>()(std::declval<const std::string&>()))>::value,
+                          void>
+bind_flag(std::string& value, const char* name, const char* description,
+          const std::map<std::string, std::string, std::less<>>& valid_values, F callback)
 {
   declare_flag(name, description, value,
-               std::function<void(const T&)>([&value, name, valid_values, callback](const T& val) {
+               std::function<void(const std::string&)>([&value, name, valid_values, callback](const std::string& val) {
                  callback(val);
-                 bool found = false;
-                 for (auto kv : valid_values) {
-                   if (kv.first == val)
-                     found = true;
-                 }
-                 if (not found || std::string(val) == "help") {
-                   std::string mesg = std::string("\n");
-                   if (std::string(val) == "help")
-                     mesg += std::string("Possible values for option ") + name + ":\n";
-                   else
-                     mesg += std::string("Invalid value '") + val + "' for option " + name + ". Possible values:\n";
-                   for (auto kv : valid_values)
-                     mesg += "  - '" + std::string(kv.first) + "': " + kv.second +
-                             (kv.first == value ? "  <=== DEFAULT" : "") + "\n";
-                   xbt_die("%s", mesg.c_str());
+                 if (valid_values.find(val) != valid_values.end()) {
+                   value = val;
+                   return;
                  }
-                 value = std::move(val);
+                 std::string mesg = "\n";
+                 if (val == "help")
+                   mesg += std::string("Possible values for option ") + name + ":\n";
+                 else
+                   mesg += std::string("Invalid value '") + val + "' for option " + name + ". Possible values:\n";
+                 for (auto const& kv : valid_values)
+                   mesg += "  - '" + kv.first + "': " + kv.second + (kv.first == value ? "  <=== DEFAULT" : "") + "\n";
+                 xbt_die("%s", mesg.c_str());
                }));
 }
-template <class T, class F>
-typename std::enable_if<std::is_same<void, decltype(std::declval<F>()(std::declval<const T&>()))>::value, void>::type
-bind_flag(T& value, const char* name, std::initializer_list<const char*> aliases, const char* description,
-          std::map<T, std::string> valid_values, F callback)
+template <class F>
+typename std::enable_if_t<std::is_same<void, decltype(std::declval<F>()(std::declval<const std::string&>()))>::value,
+                          void>
+bind_flag(std::string& value, const char* name, std::initializer_list<const char*> aliases, const char* description,
+          const std::map<std::string, std::string, std::less<>>& valid_values, F callback)
 {
-  bind_flag(value, name, description, std::move(valid_values), std::move(callback));
-  alias(name, std::move(aliases));
+  bind_flag(value, name, description, valid_values, std::move(callback));
+  alias(name, aliases);
 }
 
 /** Bind a variable to configuration flag
@@ -193,7 +191,7 @@ bind_flag(T& value, const char* name, std::initializer_list<const char*> aliases
  */
 // F is a predicate, F : T const& -> bool
 template <class T, class F>
-typename std::enable_if<std::is_same<bool, decltype(std::declval<F>()(std::declval<const T&>()))>::value, void>::type
+typename std::enable_if_t<std::is_same<bool, decltype(std::declval<F>()(std::declval<const T&>()))>::value, void>
 bind_flag(T& value, const char* name, const char* description, F callback)
 {
   declare_flag(name, description, value, std::function<void(const T&)>([&value, callback](const T& val) {
@@ -232,7 +230,7 @@ public:
   Flag(const char* name, std::initializer_list<const char*> aliases, const char* desc, T value)
       : value_(value), name_(name)
   {
-    simgrid::config::bind_flag(value_, name, std::move(aliases), desc);
+    simgrid::config::bind_flag(value_, name, aliases, desc);
   }
 
   /* A constructor accepting a callback that will be passed the parameter.
@@ -247,26 +245,27 @@ public:
   Flag(const char* name, std::initializer_list<const char*> aliases, const char* desc, T value, F callback)
       : value_(value), name_(name)
   {
-    simgrid::config::bind_flag(value_, name, std::move(aliases), desc, std::move(callback));
+    simgrid::config::bind_flag(value_, name, aliases, desc, std::move(callback));
   }
 
   /* A constructor accepting a map of valid values -> their description,
    * and producing an informative error message when an invalid value is passed, or when help is passed as a value.
    */
   template <class F>
-  Flag(const char* name, const char* desc, T value, std::map<T, std::string> valid_values, F callback)
+  Flag(const char* name, const char* desc, T value, const std::map<std::string, std::string, std::less<>>& valid_values,
+       F callback)
       : value_(value), name_(name)
   {
-    simgrid::config::bind_flag(value_, name, desc, std::move(valid_values), std::move(callback));
+    simgrid::config::bind_flag(value_, name, desc, valid_values, std::move(callback));
   }
 
   /* A constructor with everything */
   template <class F>
   Flag(const char* name, std::initializer_list<const char*> aliases, const char* desc, T value,
-       std::map<T, std::string> valid_values, F callback)
+       const std::map<std::string, std::string, std::less<>>& valid_values, F callback)
       : value_(value), name_(name)
   {
-    simgrid::config::bind_flag(value_, name, std::move(aliases), desc, std::move(valid_values), std::move(callback));
+    simgrid::config::bind_flag(value_, name, aliases, desc, valid_values, std::move(callback));
   }
 
   // No copy: