Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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/* -----------------------------------------------------------------------------
* See the LICENSE file for information on copyright, usage and redistribution
* of SWIG, and the README file for authors - http://www.swig.org/release.html.
*
* _std_common.i
*
* std::helpers for LUA
* ----------------------------------------------------------------------------- */
%include <std_except.i> // the general exepctions
/*
The basic idea here, is instead of trying to feed SWIG all the
horribly templated STL code, to give it a neatened version.
These %defines cover some of the more common methods
so the class declarations become just a set of %defines
*/
/* #define for basic container features
note: I allow front(), back() & pop_back() to throw execptions
upon empty containers, rather than coredump
(as we have'nt defined the methods, we can use %extend to add with
new features)
*/
%define %STD_CONTAINER_METHODS(CLASS,T)
public:
CLASS();
CLASS(const CLASS&);
unsigned int size() const;
unsigned int max_size() const;
bool empty() const;
void clear();
%extend { // the extra stuff which must be checked
T front()const throw (std::out_of_range){ // only read front & back
if (self->empty())
throw std::out_of_range("in "#CLASS"::front()");
return self->front();
}
T back()const throw (std::out_of_range){ // not write to them
if (self->empty())
throw std::out_of_range("in "#CLASS"::back()");
return self->back();
}
}
%enddef
/* push/pop for front/back
also note: front & back are read only methods, not used for writing
*/
%define %STD_FRONT_ACCESS_METHODS(CLASS,T)
public:
void push_front(const T& val);
%extend { // must check this
void pop_front() throw (std::out_of_range){
if (self->empty())
throw std::out_of_range("in "#CLASS"::pop_front()");
self->pop_back();
}
}
%enddef
%define %STD_BACK_ACCESS_METHODS(CLASS,T)
public:
void push_back(const T& val);
%extend { // must check this
void pop_back() throw (std::out_of_range){
if (self->empty())
throw std::out_of_range("in "#CLASS"::pop_back()");
self->pop_back();
}
}
%enddef
/*
Random access methods
*/
%define %STD_RANDOM_ACCESS_METHODS(CLASS,T)
%extend // this is a extra bit of SWIG code
{
// [] is replaced by __getitem__ & __setitem__
// simply throws a string, which causes a lua error
T __getitem__(unsigned int idx) throw (std::out_of_range){
if (idx>=self->size())
throw std::out_of_range("in "#CLASS"::__getitem__()");
return (*self)[idx];
}
void __setitem__(unsigned int idx,const T& val) throw (std::out_of_range){
if (idx>=self->size())
throw std::out_of_range("in "#CLASS"::__setitem__()");
(*self)[idx]=val;
}
};
%enddef