X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Floader.h;h=4ea7994e757f76476dda000f20c67fa44e21fee9;hb=e4beb0453a1cfe200fc97607afab94c3ddee1c65;hp=57481cff28d36fca44b19db0c91784e7ecc54573;hpb=215e719d0ef85f748898660d15d01e77ac551de9;p=libs%2Fdatafile.git diff --git a/source/loader.h b/source/loader.h index 57481cf..4ea7994 100644 --- a/source/loader.h +++ b/source/loader.h @@ -1,15 +1,7 @@ -/* $Id$ - -This file is part of libmspdatafile -Copyright © 2006-2008 Mikko Rasa, Mikkosoft Productions -Distributed under the LGPL -*/ - #ifndef MSP_DATAFILE_LOADER_H_ #define MSP_DATAFILE_LOADER_H_ #include -#include #include #include "except.h" #include "loaderaction.h" @@ -39,18 +31,30 @@ When loading has finished successfully, the virtual function finish() is called. Any post-processing of the data should be placed here and not in the destructor. -See also classes BasicLoader and BasicLoader2. +See also classes ObjectLoader and CollectionObjectLoader in objectloader.h. */ class Loader { private: - typedef std::map 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 ActionMap; + + ActionMap actions; + const Statement *cur_st; + bool sub_loaded; protected: - Loader(): cur_st(0) { } + bool check_sub_loads; + + Loader(); public: virtual ~Loader(); @@ -128,6 +132,8 @@ protected: 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 @@ -143,54 +149,15 @@ protected: }; -/** -Provides the basic functionality of an object loader. Deriving from this -allows loading values directly into member variables of the objects. -*/ -template -class BasicLoader: public Loader -{ -public: - typedef O Object; - -protected: - O &obj; - -public: - BasicLoader(O &o): obj(o) { } - O &get_object() const { return obj; } -}; - - -/** -Provides functionality for loading objects with a Collection. Deriving from -this allows loading pointers to objects in the collection automatically. -*/ -template -class BasicLoader2: public BasicLoader -{ -public: - typedef C Collection; - -protected: - C &coll; - -public: - BasicLoader2(O &o, C &c): BasicLoader(o), coll(c) { } - C &get_collection() const { return coll; } -}; - - /** Loads an object from a file. The object must have a public Loader class. */ template 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); } @@ -198,10 +165,9 @@ void load(T &obj, const std::string &fn) template 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); }