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/* 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);
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