X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Floader.h;h=a7d2dbdfbc9eb70f191e9e9c979f355a55174315;hb=6dd94a7fe90c6467024685fbac769067ddb74688;hp=8d26a418a0f5d9cdec52a6ecc85160ff4ee1c4e4;hpb=92644bf892df1220c8df67e1fc3da85dd02c53c5;p=libs%2Fdatafile.git diff --git a/source/loader.h b/source/loader.h index 8d26a41..a7d2dbd 100644 --- a/source/loader.h +++ b/source/loader.h @@ -8,8 +8,9 @@ Distributed under the LGPL #ifndef MSP_DATAFILE_LOADER_H_ #define MSP_DATAFILE_LOADER_H_ -#include #include +#include +#include #include "except.h" #include "parser.h" #include "statement.h" @@ -151,6 +152,23 @@ private: }; +template +class LoaderFunc5: public LoaderAction +{ +public: + typedef void (L::*FuncType)(A0, A1, A2, A3, A4); + + LoaderFunc5(FuncType f): func(f) { } + void execute(Loader &l, const Statement &st) const + { + if(st.args.size()!=5) throw TypeError(st.get_location()+": Wrong number of arguments"); + (dynamic_cast(l).*func)(st.args[0].get(), st.args[1].get(), st.args[2].get(), st.args[3].get(), st.args[4].get()); + } +private: + FuncType func; +}; + + template class LoadValue1: public LoaderAction { @@ -179,7 +197,7 @@ public: { if(st.args.size()!=1) throw TypeError(st.get_location()+": Wrong number of arguments"); typename L::Loader &ldr=dynamic_cast(l); - ldr.get_object().*ptr0=&ldr.get_collection().template get(st.args[0].get()); + ldr.get_object().*ptr0=ldr.get_collection().template get(st.args[0].get()); } private: Pointer0Type ptr0; @@ -257,6 +275,10 @@ protected: void add(const std::string &k, void (L::*func)(A0, A1, A2, A3)) { add(k, new LoaderFunc4(func)); } + template + void add(const std::string &k, void (L::*func)(A0, A1, A2, A3, A4)) + { add(k, new LoaderFunc5(func)); } + /** Adds a keyword that is loaded into a variable of the loaded object. */ @@ -322,6 +344,8 @@ protected: throw InvalidState("get_source called without current statement"); return cur_st->source; } + + virtual void finish() { } private: typedef std::map ActionMap; @@ -338,11 +362,10 @@ Loads an object from a file. The object must have a public Loader class. template void load(T &obj, const std::string &fn) { - std::ifstream in(fn.c_str()); - if(!in) - throw Exception("Couldn't open "+fn); + IO::File in(fn); + IO::Buffered buf(in); - Parser parser(in, fn); + Parser parser(buf, fn); typename T::Loader loader(obj); loader.load(parser); } @@ -350,9 +373,8 @@ void load(T &obj, const std::string &fn) template void load(T &obj, const std::string &fn, U arg) { - std::ifstream in(fn.c_str()); - if(!in) - throw Exception("Couldn't open "+fn); + IO::File in(fn); + IO::Buffered buf(in); Parser parser(in, fn); typename T::Loader loader(obj, arg);