/* $Id$
This file is part of libmspdatafile
-Copyright © 2006-2008 Mikko Rasa, Mikkosoft Productions
+Copyright © 2006-2008, 2010 Mikko Rasa, Mikkosoft Productions
Distributed under the LGPL
*/
#define MSP_DATAFILE_LOADER_H_
#include <map>
-#include <msp/io/buffered.h>
#include <msp/io/file.h>
#include "except.h"
#include "loaderaction.h"
class Loader
{
private:
- typedef std::map<std::string, LoaderAction *> ActionMap;
+ struct ActionKey
+ {
+ std::string keyword;
+ std::string signature;
- ActionMap actions;
- const Statement *cur_st;
+ ActionKey(const std::string &, const std::string &);
+
+ bool operator<(const ActionKey &) const;
+ };
+
+ typedef std::map<ActionKey, LoaderAction *> ActionMap;
+ ActionMap actions;
+ const Statement *cur_st;
+ bool sub_loaded;
protected:
- Loader(): cur_st(0) { }
+ bool allow_pointer_reload;
+ bool check_sub_loads;
+
+ Loader();
public:
virtual ~Loader();
+ bool is_pointer_reload_allowed() const { return allow_pointer_reload; }
+
/** Loads statements from a parser. */
void load(Parser &p);
private:
void add(const std::string &, LoaderAction *);
+ LoaderAction *find_action(const ActionKey &) const;
+
protected:
/** Returns the source of the statement being processed. This can be used
to implement relative paths in include-like statements. Note that the
/**
-Provides the basic functionality of an object loader. Deriving from this
-allows loading values directly into member variables of the objects.
+Deprecated. See ObjectLoader in objectloader.h.
*/
template<typename O>
class BasicLoader: public Loader
/**
-Provides functionality for loading objects with a Collection. Deriving from
-this allows loading pointers to objects in the collection automatically.
+Deprecated. See CollectionObjectLoader in objectloader.h.
*/
template<typename O, typename C>
class BasicLoader2: public BasicLoader<O>
template<typename T>
void load(T &obj, const std::string &fn)
{
- IO::File in(fn);
- IO::Buffered buf(in);
+ IO::BufferedFile in(fn);
- Parser parser(buf, fn);
+ Parser parser(in, fn);
typename T::Loader loader(obj);
loader.load(parser);
}
template<typename T, typename U>
void load(T &obj, const std::string &fn, U &arg)
{
- IO::File in(fn);
- IO::Buffered buf(in);
+ IO::BufferedFile in(fn);
- Parser parser(buf, fn);
+ Parser parser(in, fn);
typename T::Loader loader(obj, arg);
loader.load(parser);
}