Require C++11 for building

[libs/datafile.git] / source / loader.h

diff --git a/source/loader.h b/source/loader.h
index 02caaaf9ee75dce3ca573cf929611124e551053f..574ecce0c11b5bac9af56d82b6a0782a5288d8b6 100644 (file)
--- a/source/loader.h
+++ b/source/loader.h
@@ -33,12 +33,18 @@ destructor.
 
 See also classes ObjectLoader and CollectionObjectLoader in objectloader.h.
 */
-class Loader
+class Loader: private NonCopyable
 {
-private:
-       typedef std::map<StatementKey, LoaderAction *> ActionMap;
+protected:
+       class ActionMap: public std::map<StatementKey, LoaderAction *>, private NonCopyable
+       {
+       public:
+               ~ActionMap();
+       };
 
-       ActionMap actions;
+private:
+       ActionMap local_actions;
+       ActionMap *actions;
        Parser *cur_parser;
        unsigned cur_level;
        const Statement *cur_st;
@@ -50,7 +56,7 @@ protected:
 
        Loader();
 public:
-       virtual ~Loader();
+       virtual ~Loader() { }
 
        /** Loads statements from a parser. */
        void load(Parser &p);
@@ -88,6 +94,11 @@ protected:
        /** Processes the current statement's substatements with another Loader. */
        void load_sub_with(Loader &);
 
+       /** Sets the actions to be used when loading.  If the map is empty,
+       init_actions will be called. */
+       void set_actions(ActionMap &);
+       virtual void init_actions() { }
+
        /** Adds a keyword that is loaded by calling a function. */
        template<typename L>
        void add(const std::string &k, void (L::*func)())
@@ -97,28 +108,15 @@ protected:
        void add(const std::string &k, void (L::*func)(A0))
        { add(k, new LoaderFunc1<L, A0>(func)); }
 
-#if __cplusplus>=201103L
        template<typename L, typename... Args>
        void add(const std::string &k, void (L::*func)(Args...))
        { add(k, new LoaderFuncN<L, Args...>(func)); }
 
-#else
-       template<typename L, typename A0, typename A1>
-       void add(const std::string &k, void (L::*func)(A0, A1))
-       { add(k, new LoaderFunc2<L, A0, A1>(func)); }
-
-       template<typename L, typename A0, typename A1, typename A2>
-       void add(const std::string &k, void (L::*func)(A0, A1, A2))
-       { add(k, new LoaderFunc3<L, A0, A1, A2>(func)); }
-
-       template<typename L, typename A0, typename A1, typename A2, typename A3>
-       void add(const std::string &k, void (L::*func)(A0, A1, A2, A3))
-       { add(k, new LoaderFunc4<L, A0, A1, A2, A3>(func)); }
-
-       template<typename L, typename A0, typename A1, typename A2, typename A3, typename A4>
-       void add(const std::string &k, void (L::*func)(A0, A1, A2, A3, A4))
-       { add(k, new LoaderFunc5<L, A0, A1, A2, A3, A4>(func)); }
-#endif
+       /** Adds a keyword that is loaded by calling a function with a bound
+       first argument. */
+       template<typename L, typename B0, typename... Args>
+       void add(const std::string &k, void (L::*func)(B0, Args...), const typename RemoveReference<B0>::Type &b0)
+       { add(k, new LoaderFuncNBound1<L, B0, Args...>(func, b0)); }
 
        /** Adds a keyword that is loaded into a member of the loaded object. */
        template<typename L, typename T0>
@@ -157,7 +155,6 @@ protected:
 };
 
 
-#if __cplusplus>=201103L
 /**
 Loads an object from a file.  The object must have a public Loader class.  Any
 extra arguments are passed to the Loader constructor.
@@ -173,7 +170,7 @@ void load(T &obj, const std::string &fn, Args &... args)
 }
 
 /**
-Loads an object from a file stored in a collection.  The object must havea
+Loads an object from a file stored in a collection.  The object must have a
 public Loader class.  The collection is passed to the Loader constructor,
 followed by any extra arguments.
 */
@@ -205,36 +202,6 @@ typename EnableIf<NeedsCollection<typename T::Loader>::value, void>::No load(T &
        loader.load(parser);
 }
 
-#else
-
-/**
-Loads an object from a file.  The object must have a public Loader class.
-*/
-template<typename T>
-void load(T &obj, const std::string &fn)
-{
-       IO::BufferedFile in(fn);
-
-       Parser parser(in, fn);
-       typename T::Loader loader(obj);
-       loader.load(parser);
-}
-
-/**
-Loads an object from a file, passing one extra argument to the Loader
-constructor.  The object must have a public Loader class.
-*/
-template<typename T, typename U>
-void load(T &obj, const std::string &fn, U &arg)
-{
-       IO::BufferedFile in(fn);
-
-       Parser parser(in, fn);
-       typename T::Loader loader(obj, arg);
-       loader.load(parser);
-}
-#endif
-
 } // namespace DataFile
 } // namespace Msp