| /* ----------------------------------------------------------------------------- |
| * _std_common.i |
| * |
| * std::helpers for LUA |
| * ----------------------------------------------------------------------------- */ |
| |
| %include <std_except.i> // the general exceptions |
| |
| /* |
| 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 exceptions |
| upon empty containers, rather than coredump |
| (as we haven't 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 |