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