#ifndef MSP_DATAFILE_LOADER_H_
#define MSP_DATAFILE_LOADER_H_
+#include <type_traits>
#include <map>
#include <msp/io/file.h>
#include "loaderaction.h"
See also classes ObjectLoader and CollectionObjectLoader in objectloader.h.
*/
-class Loader
+class Loader: private NonCopyable
{
protected:
- typedef std::map<StatementKey, LoaderAction *> ActionMap;
+ class ActionMap: public std::map<StatementKey, LoaderAction *>, private NonCopyable
+ {
+ public:
+ ~ActionMap();
+ };
private:
ActionMap local_actions;
Loader();
public:
- virtual ~Loader();
+ virtual ~Loader() { }
/** Loads statements from a parser. */
void load(Parser &p);
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
-
-#if __cplusplus>=201103L
/** 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)
+ void add(const std::string &k, void (L::*func)(B0, Args...), const typename std::remove_reference<B0>::type &b0)
{ add(k, new LoaderFuncNBound1<L, B0, Args...>(func, b0)); }
-#endif
/** Adds a keyword that is loaded into a member of the loaded object. */
template<typename L, typename T0>
/** Adds a keyword that is recognized but ignored. */
void add(const std::string &k)
- { add(k, 0); }
+ { add(k, nullptr); }
private:
void add(const std::string &, LoaderAction *);
};
-#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.
}
/**
-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.
*/
public Loader class. Any extra arguments are passed to the Loader constructor.
*/
template<typename T, typename C, typename... Args>
-typename EnableIf<NeedsCollection<typename T::Loader>::value, void>::No load(T &obj, C &coll, const std::string &fn, Args &... args)
+typename std::enable_if<!NeedsCollection<typename T::Loader>::value>::type load(T &obj, C &coll, const std::string &fn, Args &... args)
{
RefPtr<IO::Seekable> in = coll.open_raw(fn);
if(!in)
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