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|
function genSigs( outName )
{
if exists( outName ) then
{
unlink( outName );
}
fOut = open(outName, "w");
fOut.write(
"/*\n"
" * Copyright (C) 2007-2012 Xagasoft, All rights reserved.\n"
" *\n"
" * This file is part of the libbu++ library and is released under the\n"
" * terms of the license contained in the file LICENSE.\n"
" */\n"
"\n"
"#ifndef BU_SIGNALS_H\n"
"#define BU_SIGNALS_H\n"
"\n"
"#include <typeinfo>\n"
"#include \"bu/util.h\"\n"
"#include \"bu/exceptionbase.h\"\n"
"#include \"bu/list.h\"\n"
"\n"
"namespace Bu\n"
"{\n"
" subExceptionDecl( SignalException );\n"
"\n"
);
for i in range( 0, 10 ) do
{
templParams = "typename ret";
templSpecParams = "";
funcParams = "";
funcAnonParams = "";
templCallParams = "ret";
templSpecCallParams = "";
funcCallParams = "";
if i >= 1 then
{
for p in range( 1, i ) do
{
if p > 1 then
{
funcCallParams << ", ";
funcParams << ", ";
funcAnonParams << ", ";
templSpecParams << ", ";
}
templParams << ", typename p${p}t";
templSpecParams << "typename p${p}t";
funcParams << "p${p}t p${p}";
funcAnonParams << "p${p}t";
templCallParams << ", p${p}t";
templSpecCallParams << ", p${p}t";
funcCallParams << "p${p}";
}
}
fOut.write(
"#ifndef BU_SIGNAL_PARAM_COUNT_${i}\n"
"#define BU_SIGNAL_PARAM_COUNT_${i}\n"
" //\n"
" // ${i} Parameter(s)\n"
" //\n"
" template<${templParams}>\n"
" class _Slot${i}\n"
" {\n"
" public:\n"
" _Slot${i}() { }\n"
" virtual ~_Slot${i}() { }\n"
" virtual ret operator()( ${funcParams} )=0;\n"
" virtual _Slot${i}<${templCallParams}> *clone() const=0;\n"
" virtual bool operator==( const _Slot${i}<${templCallParams}> &rhs ) const=0;\n"
" };\n"
" \n"
" template<typename cls, ${templParams}>\n"
" class __Slot${i} : public _Slot${i}<${templCallParams}>\n"
" {\n"
" public:\n"
" __Slot${i}( cls *pCls, ret (cls::*pFnc)( ${funcAnonParams} ) ) :\n"
" pCls( pCls ), pFnc( pFnc ) { }\n"
" virtual ~__Slot${i}() { }\n"
" \n"
" virtual ret operator()( ${funcParams} )\n"
" {\n"
" return (pCls->*pFnc)( ${funcCallParams} );\n"
" }\n"
" \n"
" virtual _Slot${i}<${templCallParams}> *clone() const\n"
" {\n"
" return new __Slot${i}<cls, ${templCallParams}>( pCls, pFnc );\n"
" }\n"
" \n"
" virtual bool operator==( const _Slot${i}<${templCallParams}> &rhs ) const\n"
" {\n"
" const __Slot${i}<cls, ${templCallParams}> &rrhs = (const __Slot${i}<cls, ${templCallParams}> &)rhs;\n"
" return pCls == rrhs.pCls && pFnc == rrhs.pFnc;\n"
" }\n"
" \n"
" private:\n"
" cls *pCls;\n"
" ret (cls::*pFnc)( ${funcAnonParams} );\n"
" };\n"
" \n"
" template<${templParams}>\n"
" class __Slot${i}F : public _Slot${i}<${templCallParams}>\n"
" {\n"
" public:\n"
" __Slot${i}F( ret (*pFnc)( ${funcAnonParams} ) ) :\n"
" pFnc( pFnc ) { }\n"
" virtual ~__Slot${i}F() { }\n"
" \n"
" virtual ret operator()( ${funcParams} )\n"
" {\n"
" return (*pFnc)( ${funcCallParams} );\n"
" }\n"
" \n"
" virtual _Slot${i}<${templCallParams}> *clone() const\n"
" {\n"
" return new __Slot${i}F<${templCallParams}>( pFnc );\n"
" }\n"
" \n"
" virtual bool operator==( const _Slot${i}<${templCallParams}> &rhs ) const\n"
" {\n"
" return pFnc == ((const __Slot${i}F<${templCallParams}> &)rhs).pFnc;\n"
" }\n"
" \n"
" private:\n"
" ret (*pFnc)( ${funcAnonParams} );\n"
" };\n"
" \n"
" template<${templParams}>\n"
" class Signal${i}\n"
" {\n"
" public:\n"
" Signal${i}() : pCb( NULL ) { }\n"
" Signal${i}( _Slot${i}<${templCallParams}> *pCb ) : pCb( pCb ) { }\n"
" Signal${i}( const Signal${i}<${templCallParams}> &rSrc ) :\n"
" pCb( (rSrc.pCb)?(rSrc.pCb->clone()):(NULL) ) { }\n"
" virtual ~Signal${i}() { delete pCb; pCb = NULL; }\n"
" \n"
" ret operator()( ${funcParams} )\n"
" {\n"
" if( !pCb ) throw SignalException(\"Uninitialized signal called.\");\n"
" return (*pCb)( ${funcCallParams} );\n"
" }\n"
" \n"
" bool isSet() const { return pCb != NULL; }\n"
" operator bool() const { return isSet(); }\n"
" \n"
" Signal${i}<${templCallParams}> &operator=( const Signal${i}<${templCallParams}> &rhs )\n"
" {\n"
" pCb = rhs.pCb->clone();\n"
" return *this;\n"
" }\n"
" \n"
" bool operator==( const Signal${i}<${templCallParams}> &rhs ) const\n"
" {\n"
" if( pCb == rhs.pCb )\n"
" return true;\n"
" if( pCb == NULL || rhs.pCb == NULL )\n"
" return false;\n"
" if( typeid(pCb) != typeid(rhs.pCb) )\n"
" return false;\n"
" return *pCb == *rhs.pCb;\n"
" }\n"
" \n"
" private:\n"
" _Slot${i}<${templCallParams}> *pCb;\n"
" };\n"
" \n"
" template<typename cls, ${templParams}>\n"
" Signal${i}<${templCallParams}> slot( cls *pCls, ret (cls::*pFnc)( ${funcAnonParams} ) )\n"
" {\n"
" if( !pCls || !pFnc ) throw SignalException(\"NULL pointer in slot().\");\n"
" return Signal${i}<${templCallParams}>(\n"
" new __Slot${i}<cls, ${templCallParams}>( pCls, pFnc )\n"
" );\n"
" }\n"
" \n"
" template<${templParams}>\n"
" Signal${i}<${templCallParams}> slot( ret (*pFnc)( ${funcAnonParams} ) )\n"
" {\n"
" if( !pFnc ) throw SignalException(\"NULL pointer in slot().\");\n"
" return Signal${i}<${templCallParams}>(\n"
" new __Slot${i}F<${templCallParams}>( pFnc )\n"
" );\n"
" }\n"
" \n"
" template<${templParams}>\n"
" class SignalList${i} : public Bu::List<Bu::Signal${i}<${templCallParams}> >\n"
" {\n"
" typedef Bu::List<Bu::Signal${i}<${templCallParams}> > MyType;\n"
" public:\n"
" SignalList${i}()\n"
" {\n"
" }\n"
" \n"
" using MyType::iterator;\n"
" using MyType::const_iterator;\n"
" \n"
" ret operator()( ${funcParams} )\n"
" {\n"
" typename MyType::iterator i, n;\n"
" for(i = MyType::begin(); i; i=n)\n"
" {\n"
" n = i;\n"
" n++;\n"
" if( n )\n"
" (*i)( ${funcCallParams} );\n"
" else\n"
" return (*i)( ${funcCallParams} );\n"
" }\n"
" throw Bu::SignalException(\"Empty SignalList with non-void return value called.\");\n"
" }\n"
" };\n"
" \n"
" template<${templSpecParams}>\n"
" class SignalList${i}<void${templSpecCallParams}> : public Bu::List<Bu::Signal${i}<void${templSpecCallParams}> >\n"
" {\n"
" typedef Bu::List<Bu::Signal${i}<void${templSpecCallParams}> > MyType;\n"
" public:\n"
" SignalList${i}()\n"
" {\n"
" }\n"
" \n"
" using MyType::iterator;\n"
" using MyType::const_iterator;\n"
" \n"
" void operator()( ${funcParams} )\n"
" {\n"
" for( typename MyType::iterator i = MyType::begin(); i; i++ )\n"
" (*i)( ${funcCallParams} );\n"
" }\n"
" };\n"
"#endif // BU_SIGNAL_PARAM_COUNT_${i}\n"
"\n"
);
}
fOut.write(
"};\n"
"\n"
"#endif\n"
);
fOut.close();
}
|
