Pass parameter "callback".

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

diff --git a/include/xbt/config.hpp b/include/xbt/config.hpp
index f773739..701b5b3 100644 (file)
--- a/include/xbt/config.hpp
+++ b/include/xbt/config.hpp
@@ -25,15 +25,6 @@
 namespace simgrid {
 namespace config {
 
-class XBT_PUBLIC missing_key_error : public std::runtime_error {
-public:
-  explicit missing_key_error(const std::string& what)
-    : std::runtime_error(what) {}
-  explicit missing_key_error(const char* what)
-    : std::runtime_error(what) {}
-  ~missing_key_error() override;
-};
-
 template<class T> inline
 std::string to_string(T&& value)
 {
@@ -127,33 +118,24 @@ void bindFlag(T& value, std::initializer_list<const char*> names, const char* de
  *  </code></pre>
  */
 // 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
-bindFlag(T& value, std::initializer_list<const char*> names, 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
+bindFlag(T& value, const char* name, const char* description, F callback)
 {
-  bindFlag(value, *names.begin(), description);
-  alias(names);
+  declareFlag(name, description, value, std::function<void(const T&)>([&value, callback](const T& val) {
+                callback(val);
+                value = std::move(val);
+              }));
 }
 
-template<class T, class F>
-typename std::enable_if<std::is_same<
-  void,
-  decltype( std::declval<F>()(std::declval<const T&>()) )
->::value, void>::type
-bindFlag(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
+bindFlag(T& value, std::initializer_list<const char*> names, const char* description, F callback)
 {
-  declareFlag(name, description, value,
-    std::function<void(const T&)>([&value,callback](const T& val) {
-      callback(val);
-      value = std::move(val);
-    }
-  ));
+  bindFlag(value, *names.begin(), description, std::move(callback));
+  alias(names);
 }
+
 template <class T, class F>
 typename std::enable_if<std::is_same<void, decltype(std::declval<F>()(std::declval<const T&>()))>::value, void>::type
 bindFlag(T& value, const char* name, const char* description, std::map<T, std::string> valid_values, F callback)
@@ -196,13 +178,11 @@ typename std::enable_if<std::is_same<
 bindFlag(T& value, const char* name, const char* description,
   F callback)
 {
-  declareFlag(name, description, value,
-    std::function<void(const T&)>([&value, callback](const T& val) {
-      if (not callback(val))
-        throw std::range_error("invalid value.");
-        value = std::move(val);
-    })
-  );
+  declareFlag(name, description, value, std::function<void(const T&)>([&value, callback](const T& val) {
+                if (not callback(val))
+                  throw std::range_error("invalid value.");
+                value = std::move(val);
+              }));
 }
 
 /** A variable bound to a CLI option
@@ -229,6 +209,12 @@ public:
     simgrid::config::bindFlag(value_, name, desc);
   }
 
+  /** Constructor taking an array of aliases as name */
+  Flag(std::initializer_list<const char*> names, const char* desc, T value) : value_(value)
+  {
+    simgrid::config::bindFlag(value_, names, desc);
+  }
+
   /* A constructor accepting a callback that will be passed the parameter.
    * It can either return a boolean (informing whether the parameter is valid), or returning void.
    */