| /* 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); |
| %} |
| |
| extern int gcd(int x, int y); |
| |
| %typemap(jni) (int argc, char *argv[]) "jobjectArray" |
| %typemap(jtype) (int argc, char *argv[]) "String[]" |
| %typemap(jstype) (int argc, char *argv[]) "String[]" |
| |
| %typemap(javain) (int argc, char *argv[]) "$javainput" |
| |
| %typemap(in) (int argc, char *argv[]) (jstring *jsarray) { |
| int i; |
| |
| $1 = (*jenv)->GetArrayLength(jenv, $input); |
| if ($1 == 0) { |
| SWIG_JavaThrowException(jenv, SWIG_JavaIndexOutOfBoundsException, "Array must contain at least 1 element"); |
| return $null; |
| } |
| $2 = (char **) malloc(($1+1)*sizeof(char *)); |
| jsarray = (jstring *) malloc($1*sizeof(jstring)); |
| for (i = 0; i < $1; i++) { |
| jsarray[i] = (jstring) (*jenv)->GetObjectArrayElement(jenv, $input, i); |
| $2[i] = (char *) (*jenv)->GetStringUTFChars(jenv, jsarray[i], 0); |
| } |
| $2[i] = 0; |
| } |
| |
| %typemap(argout) (int argc, char *argv[]) "" /* override char *[] default */ |
| |
| %typemap(freearg) (int argc, char *argv[]) { |
| int i; |
| for (i = 0; i < $1; i++) { |
| (*jenv)->ReleaseStringUTFChars(jenv, jsarray$argnum[i], $2[i]); |
| } |
| free($2); |
| } |
| |
| extern int gcdmain(int argc, char *argv[]); |
| |
| %typemap(jni) (char *bytes, int len) "jstring" |
| %typemap(jtype) (char *bytes, int len) "String" |
| %typemap(jstype) (char *bytes, int len) "String" |
| |
| %typemap(javain) (char *bytes, int len) "$javainput" |
| |
| %typemap(in) (char *bytes, int len) { |
| $1 = ($1_type)(*jenv)->GetStringUTFChars(jenv, $input, 0); |
| $2 = (*jenv)->GetStringUTFLength(jenv, $input); |
| } |
| |
| %typemap(freearg) (char *bytes, int len) %{ |
| (*jenv)->ReleaseStringUTFChars(jenv, $input, $1); |
| %} |
| |
| extern int count(char *bytes, int len, char c); |
| |
| /* This example shows how to wrap a function that mutates a c string. A one |
| * element Java string array is used so that the string can be returned modified.*/ |
| |
| %typemap(jni) (char *str, int len) "jobjectArray" |
| %typemap(jtype) (char *str, int len) "String[]" |
| %typemap(jstype) (char *str, int len) "String[]" |
| |
| %typemap(javain) (char *str, int len) "$javainput" |
| |
| %typemap(in) (char *str, int len) (jstring js) { |
| int index = 0; |
| js = (jstring) (*jenv)->GetObjectArrayElement(jenv, $input, index); |
| $1 = (char *) (*jenv)->GetStringUTFChars(jenv, js, 0); |
| $2 = (*jenv)->GetStringUTFLength(jenv, js); |
| } |
| |
| /* Return the mutated string as a modified element in the array. */ |
| %typemap(argout) (char *str, int len) { |
| jstring newstring = (*jenv)->NewStringUTF(jenv, $1); |
| (*jenv)->SetObjectArrayElement(jenv, $input, 0, newstring); |
| } |
| |
| /* Release memory */ |
| %typemap(freearg) (char *str, int len) { |
| (*jenv)->ReleaseStringUTFChars(jenv, js$argnum, $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_JavaThrowException(jenv, SWIG_JavaIllegalArgumentException, "$1_name and $2_name must be in unit circle"); |
| return; |
| } |
| } |
| |
| extern void circle(double cx, double cy); |
| |
| |