| /* File : example.i */ |
| %module example |
| |
| %{ |
| extern int gcd(int x, int y); |
| extern int gcdmain(int argc, char *argv[]); |
| extern int count(char *bytes, int len, char c); |
| extern void capitalize (char *str, int len); |
| extern void circle (double cx, double cy); |
| extern int squareCubed (int n, int *OUTPUT); |
| %} |
| |
| %include exception.i |
| %include typemaps.i |
| |
| extern int gcd(int x, int y); |
| |
| %typemap(in) (int argc, char *argv[]) { |
| int i; |
| if (!C_swig_is_vector ($input)) { |
| swig_barf (SWIG_BARF1_BAD_ARGUMENT_TYPE, "Argument $input is not a vector"); |
| } |
| $1 = C_header_size ($input); |
| $2 = (char **) malloc(($1+1)*sizeof(char *)); |
| for (i = 0; i < $1; i++) { |
| C_word o = C_block_item ($input, i); |
| if (!C_swig_is_string (o)) { |
| char err[50]; |
| free($2); |
| sprintf (err, "$input[%d] is not a string", i); |
| swig_barf (SWIG_BARF1_BAD_ARGUMENT_TYPE, err); |
| } |
| $2[i] = C_c_string (o); |
| } |
| $2[i] = 0; |
| } |
| |
| %typemap(freearg) (int argc, char *argv[]) { |
| free($2); |
| } |
| extern int gcdmain(int argc, char *argv[]); |
| |
| %typemap(in) (char *bytes, int len) { |
| if (!C_swig_is_string ($input)) { |
| swig_barf (SWIG_BARF1_BAD_ARGUMENT_TYPE, "Argument $input is not a string"); |
| } |
| $1 = C_c_string ($input); |
| $2 = C_header_size ($input); |
| } |
| |
| extern int count(char *bytes, int len, char c); |
| |
| |
| /* This example shows how to wrap a function that mutates a string */ |
| |
| %typemap(in) (char *str, int len) |
| %{ if (!C_swig_is_string ($input)) { |
| swig_barf (SWIG_BARF1_BAD_ARGUMENT_TYPE, "Argument $input is not a string"); |
| } |
| $2 = C_header_size ($input); |
| $1 = (char *) malloc ($2+1); |
| memmove ($1, C_c_string ($input), $2); |
| %} |
| |
| /* Return the mutated string as a new object. Notice the if MANY construct ... they must be at column 0. */ |
| |
| %typemap(argout) (char *str, int len) (C_word *scmstr) |
| %{ scmstr = C_alloc (C_SIZEOF_STRING ($2)); |
| SWIG_APPEND_VALUE(C_string (&scmstr, $2, $1)); |
| free ($1); |
| %} |
| |
| extern void capitalize (char *str, int len); |
| |
| /* A multi-valued constraint. Force two arguments to lie |
| inside the unit circle */ |
| |
| %typemap(check) (double cx, double cy) { |
| double a = $1*$1 + $2*$2; |
| if (a > 1.0) { |
| SWIG_exception (SWIG_ValueError, "cx and cy must be in unit circle"); |
| } |
| } |
| |
| extern void circle (double cx, double cy); |
| |
| /* Test out multiple return values */ |
| |
| extern int squareCubed (int n, int *OUTPUT); |
| %{ |
| /* Returns n^3 and set n2 to n^2 */ |
| int squareCubed (int n, int *n2) { |
| *n2 = n * n; |
| return (*n2) * n; |
| }; |
| %} |