| /* 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(arginit) (int argc, char *argv[]) "$2 = 0;"; |
| |
| %typemap(in) (int argc, char *argv[]) { |
| AV *tempav; |
| SV **tv; |
| I32 len; |
| int i; |
| if (!SvROK($input)) { |
| SWIG_exception(SWIG_ValueError,"$input is not an array."); |
| } |
| if (SvTYPE(SvRV($input)) != SVt_PVAV) { |
| SWIG_exception(SWIG_ValueError,"$input is not an array."); |
| } |
| tempav = (AV*)SvRV($input); |
| len = av_len(tempav); |
| $1 = (int) len+1; |
| $2 = (char **) malloc(($1+1)*sizeof(char *)); |
| for (i = 0; i < $1; i++) { |
| tv = av_fetch(tempav, i, 0); |
| $2[i] = (char *) SvPV(*tv,PL_na); |
| } |
| $2[i] = 0; |
| } |
| |
| %typemap(freearg) (int argc, char *argv[]) { |
| free($2); |
| } |
| |
| extern int gcdmain(int argc, char *argv[]); |
| |
| %typemap(in) (char *bytes, int len) { |
| STRLEN temp; |
| $1 = (char *) SvPV($input, temp); |
| $2 = (int) temp; |
| } |
| |
| extern int count(char *bytes, int len, char c); |
| |
| |
| /* This example shows how to wrap a function that mutates a string */ |
| |
| %typemap(in) (char *str, int len) { |
| STRLEN templen; |
| char *temp; |
| temp = (char *) SvPV($input,templen); |
| $2 = (int) templen; |
| $1 = (char *) malloc($2+1); |
| memmove($1,temp,$2); |
| } |
| |
| /* Return the mutated string as a new object. */ |
| |
| %typemap(argout) (char *str, int len) { |
| if (argvi >= items) { |
| EXTEND(sp,1); |
| } |
| $result = sv_newmortal(); |
| sv_setpvn((SV*)ST(argvi++),$1,$2); |
| 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,"$1_name and $2_name must be in unit circle"); |
| } |
| } |
| |
| extern void circle(double cx, double cy); |
| |
| |