/* ----------------------------------------------------------------------------- * std_vector.i * * SWIG typemaps for std::vector * ----------------------------------------------------------------------------- */ %include <std_common.i> // ------------------------------------------------------------------------ // std::vector // // The aim of all that follows would be to integrate std::vector with // Guile as much as possible, namely, to allow the user to pass and // be returned Guile vectors or lists. // const declarations are used to guess the intent of the function being // exported; therefore, the following rationale is applied: // // -- f(std::vector<T>), f(const std::vector<T>&), f(const std::vector<T>*): // the parameter being read-only, either a Guile sequence or a // previously wrapped std::vector<T> can be passed. // -- f(std::vector<T>&), f(std::vector<T>*): // the parameter must be modified; therefore, only a wrapped std::vector // can be passed. // -- std::vector<T> f(): // the vector is returned by copy; therefore, a Guile vector of T:s // is returned which is most easily used in other Guile functions // -- std::vector<T>& f(), std::vector<T>* f(), const std::vector<T>& f(), // const std::vector<T>* f(): // the vector is returned by reference; therefore, a wrapped std::vector // is returned // ------------------------------------------------------------------------ %{ #include <vector> #include <algorithm> #include <stdexcept> %} // exported class namespace std { template<class T> class vector { %typemap(in) vector<T> { if (scm_is_vector($input)) { unsigned long size = scm_c_vector_length($input); $1 = std::vector<T >(size); for (unsigned long i=0; i<size; i++) { SCM o = scm_vector_ref($input,scm_from_ulong(i)); (($1_type &)$1)[i] = *((T*) SWIG_MustGetPtr(o,$descriptor(T *),$argnum, 0)); } } else if (scm_is_null($input)) { $1 = std::vector<T >(); } else if (scm_is_pair($input)) { SCM head, tail; $1 = std::vector<T >(); tail = $input; while (!scm_is_null(tail)) { head = SCM_CAR(tail); tail = SCM_CDR(tail); $1.push_back(*((T*)SWIG_MustGetPtr(head, $descriptor(T *), $argnum, 0))); } } else { $1 = *(($&1_type) SWIG_MustGetPtr($input,$&1_descriptor,$argnum, 0)); } } %typemap(in) const vector<T>& (std::vector<T> temp), const vector<T>* (std::vector<T> temp) { if (scm_is_vector($input)) { unsigned long size = scm_c_vector_length($input); temp = std::vector<T >(size); $1 = &temp; for (unsigned long i=0; i<size; i++) { SCM o = scm_vector_ref($input,scm_from_ulong(i)); temp[i] = *((T*) SWIG_MustGetPtr(o, $descriptor(T *), $argnum, 0)); } } else if (scm_is_null($input)) { temp = std::vector<T >(); $1 = &temp; } else if (scm_is_pair($input)) { temp = std::vector<T >(); $1 = &temp; SCM head, tail; tail = $input; while (!scm_is_null(tail)) { head = SCM_CAR(tail); tail = SCM_CDR(tail); temp.push_back(*((T*) SWIG_MustGetPtr(head, $descriptor(T *), $argnum, 0))); } } else { $1 = ($1_ltype) SWIG_MustGetPtr($input,$1_descriptor,$argnum, 0); } } %typemap(out) vector<T> { $result = scm_make_vector(scm_from_long($1.size()),SCM_UNSPECIFIED); for (unsigned int i=0; i<$1.size(); i++) { T* x = new T((($1_type &)$1)[i]); scm_vector_set_x($result,scm_from_long(i), SWIG_NewPointerObj(x, $descriptor(T *), 1)); } } %typecheck(SWIG_TYPECHECK_VECTOR) vector<T> { /* native sequence? */ if (scm_is_vector($input)) { unsigned int size = scm_c_vector_length($input); if (size == 0) { /* an empty sequence can be of any type */ $1 = 1; } else { /* check the first element only */ SCM o = scm_vector_ref($input,scm_from_ulong(0)); T* x; if (SWIG_ConvertPtr(o,(void**) &x, $descriptor(T *), 0) != -1) $1 = 1; else $1 = 0; } } else if (scm_is_null($input)) { /* again, an empty sequence can be of any type */ $1 = 1; } else if (scm_is_pair($input)) { /* check the first element only */ T* x; SCM head = SCM_CAR($input); if (SWIG_ConvertPtr(head,(void**) &x, $descriptor(T *), 0) != -1) $1 = 1; else $1 = 0; } else { /* wrapped vector? */ std::vector<T >* v; if (SWIG_ConvertPtr($input,(void **) &v, $&1_descriptor, 0) != -1) $1 = 1; else $1 = 0; } } %typecheck(SWIG_TYPECHECK_VECTOR) const vector<T>&, const vector<T>* { /* native sequence? */ if (scm_is_vector($input)) { unsigned int size = scm_c_vector_length($input); if (size == 0) { /* an empty sequence can be of any type */ $1 = 1; } else { /* check the first element only */ T* x; SCM o = scm_vector_ref($input,scm_from_ulong(0)); if (SWIG_ConvertPtr(o,(void**) &x, $descriptor(T *), 0) != -1) $1 = 1; else $1 = 0; } } else if (scm_is_null($input)) { /* again, an empty sequence can be of any type */ $1 = 1; } else if (scm_is_pair($input)) { /* check the first element only */ T* x; SCM head = SCM_CAR($input); if (SWIG_ConvertPtr(head,(void**) &x, $descriptor(T *), 0) != -1) $1 = 1; else $1 = 0; } else { /* wrapped vector? */ std::vector<T >* v; if (SWIG_ConvertPtr($input,(void **) &v, $1_descriptor, 0) != -1) $1 = 1; else $1 = 0; } } public: vector(unsigned int size = 0); vector(unsigned int size, const T& value); vector(const vector<T>&); %rename(length) size; unsigned int size() const; %rename("empty?") empty; bool empty() const; %rename("clear!") clear; void clear(); %rename("set!") set; %rename("pop!") pop; %rename("push!") push_back; void push_back(const T& x); %extend { T pop() throw (std::out_of_range) { if (self->size() == 0) throw std::out_of_range("pop from empty vector"); T x = self->back(); self->pop_back(); return x; } const T& ref(int i) throw (std::out_of_range) { int size = int(self->size()); if (i>=0 && i<size) return (*self)[i]; else throw std::out_of_range("vector index out of range"); } void set(int i, const T& x) throw (std::out_of_range) { int size = int(self->size()); if (i>=0 && i<size) (*self)[i] = x; else throw std::out_of_range("vector index out of range"); } } }; // specializations for built-ins %define specialize_stl_vector(T,CHECK,CONVERT_FROM,CONVERT_TO) template<> class vector<T> { %typemap(in) vector<T> { if (scm_is_vector($input)) { unsigned long size = scm_c_vector_length($input); $1 = std::vector<T >(size); for (unsigned long i=0; i<size; i++) { SCM o = scm_vector_ref($input,scm_from_ulong(i)); if (CHECK(o)) (($1_type &)$1)[i] = (T)(CONVERT_FROM(o)); else scm_wrong_type_arg(FUNC_NAME, $argnum, $input); } } else if (scm_is_null($input)) { $1 = std::vector<T >(); } else if (scm_is_pair($input)) { SCM v = scm_vector($input); unsigned long size = scm_c_vector_length(v); $1 = std::vector<T >(size); for (unsigned long i=0; i<size; i++) { SCM o = scm_vector_ref(v,scm_from_ulong(i)); if (CHECK(o)) (($1_type &)$1)[i] = (T)(CONVERT_FROM(o)); else scm_wrong_type_arg(FUNC_NAME, $argnum, $input); } } else { $1 = *(($&1_type) SWIG_MustGetPtr($input,$&1_descriptor,$argnum, 0)); } } %typemap(in) const vector<T>& (std::vector<T> temp), const vector<T>* (std::vector<T> temp) { if (scm_is_vector($input)) { unsigned long size = scm_c_vector_length($input); temp = std::vector<T >(size); $1 = &temp; for (unsigned long i=0; i<size; i++) { SCM o = scm_vector_ref($input,scm_from_ulong(i)); if (CHECK(o)) temp[i] = (T)(CONVERT_FROM(o)); else scm_wrong_type_arg(FUNC_NAME, $argnum, $input); } } else if (scm_is_null($input)) { temp = std::vector<T >(); $1 = &temp; } else if (scm_is_pair($input)) { SCM v = scm_vector($input); unsigned long size = scm_c_vector_length(v); temp = std::vector<T >(size); $1 = &temp; for (unsigned long i=0; i<size; i++) { SCM o = scm_vector_ref(v,scm_from_ulong(i)); if (CHECK(o)) temp[i] = (T)(CONVERT_FROM(o)); else scm_wrong_type_arg(FUNC_NAME, $argnum, $input); } } else { $1 = ($1_ltype) SWIG_MustGetPtr($input,$1_descriptor,$argnum, 0); } } %typemap(out) vector<T> { $result = scm_make_vector(scm_from_long($1.size()),SCM_UNSPECIFIED); for (unsigned int i=0; i<$1.size(); i++) { SCM x = CONVERT_TO((($1_type &)$1)[i]); scm_vector_set_x($result,scm_from_long(i),x); } } %typecheck(SWIG_TYPECHECK_VECTOR) vector<T> { /* native sequence? */ if (scm_is_vector($input)) { unsigned int size = scm_c_vector_length($input); if (size == 0) { /* an empty sequence can be of any type */ $1 = 1; } else { /* check the first element only */ T* x; SCM o = scm_vector_ref($input,scm_from_ulong(0)); $1 = CHECK(o) ? 1 : 0; } } else if (scm_is_null($input)) { /* again, an empty sequence can be of any type */ $1 = 1; } else if (scm_is_pair($input)) { /* check the first element only */ T* x; SCM head = SCM_CAR($input); $1 = CHECK(head) ? 1 : 0; } else { /* wrapped vector? */ std::vector<T >* v; $1 = (SWIG_ConvertPtr($input,(void **) &v, $&1_descriptor, 0) != -1) ? 1 : 0; } } %typecheck(SWIG_TYPECHECK_VECTOR) const vector<T>&, const vector<T>* { /* native sequence? */ if (scm_is_vector($input)) { unsigned int size = scm_c_vector_length($input); if (size == 0) { /* an empty sequence can be of any type */ $1 = 1; } else { /* check the first element only */ T* x; SCM o = scm_vector_ref($input,scm_from_ulong(0)); $1 = CHECK(o) ? 1 : 0; } } else if (scm_is_null($input)) { /* again, an empty sequence can be of any type */ $1 = 1; } else if (scm_is_pair($input)) { /* check the first element only */ T* x; SCM head = SCM_CAR($input); $1 = CHECK(head) ? 1 : 0; } else { /* wrapped vector? */ std::vector<T >* v; $1 = (SWIG_ConvertPtr($input,(void **) &v, $1_descriptor, 0) != -1) ? 1 : 0; } } public: vector(unsigned int size = 0); vector(unsigned int size, const T& value); vector(const vector<T>&); %rename(length) size; unsigned int size() const; %rename("empty?") empty; bool empty() const; %rename("clear!") clear; void clear(); %rename("set!") set; %rename("pop!") pop; %rename("push!") push_back; void push_back(T x); %extend { T pop() throw (std::out_of_range) { if (self->size() == 0) throw std::out_of_range("pop from empty vector"); T x = self->back(); self->pop_back(); return x; } T ref(int i) throw (std::out_of_range) { int size = int(self->size()); if (i>=0 && i<size) return (*self)[i]; else throw std::out_of_range("vector index out of range"); } void set(int i, T x) throw (std::out_of_range) { int size = int(self->size()); if (i>=0 && i<size) (*self)[i] = x; else throw std::out_of_range("vector index out of range"); } } }; %enddef specialize_stl_vector(bool,scm_is_bool,scm_is_true,SWIG_bool2scm); specialize_stl_vector(char,scm_is_number,scm_to_long,scm_from_long); specialize_stl_vector(int,scm_is_number,scm_to_long,scm_from_long); specialize_stl_vector(long,scm_is_number,scm_to_long,scm_from_long); specialize_stl_vector(short,scm_is_number,scm_to_long,scm_from_long); specialize_stl_vector(unsigned char,scm_is_number,scm_to_ulong,scm_from_ulong); specialize_stl_vector(unsigned int,scm_is_number,scm_to_ulong,scm_from_ulong); specialize_stl_vector(unsigned long,scm_is_number,scm_to_ulong,scm_from_ulong); specialize_stl_vector(unsigned short,scm_is_number,scm_to_ulong,scm_from_ulong); specialize_stl_vector(float,scm_is_number,scm_to_double,scm_from_double); specialize_stl_vector(double,scm_is_number,scm_to_double,scm_from_double); specialize_stl_vector(std::string,scm_is_string,SWIG_scm2string,SWIG_string2scm); }