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#include <stdlib.h>
#include "pdj.h"
#include "type_handler.h"
int jatom2atom(JNIEnv *env, jobject jatom, t_atom *atom) {
int type = (*env)->GetIntField(env, jatom, pdjCaching.FIDAtom_type);
const char *symbolValue;
jstring value;
switch(type) {
case DataTypes_INT:
case DataTypes_FLOAT:
atom->a_type = A_FLOAT;
atom->a_w.w_float = (*env)->GetFloatField(env, jatom, pdjCaching.FIDAtomFloat_value);
return 0;
case DataTypes_MESSAGE :
atom->a_type = A_SYMBOL;
value = (*env)->GetObjectField(env, jatom, pdjCaching.FIDAtomString_value);
symbolValue = (*env)->GetStringUTFChars(env, value, NULL);
atom->a_w.w_symbol = gensym((char *)symbolValue);
(*env)->ReleaseStringUTFChars(env, value, symbolValue);
return 0;
default:
error("pdj: java unhandled datatype: %d ", type);
atom->a_type = A_CANT;
return 1;
}
}
int jatoms2atoms(JNIEnv *env, jobjectArray jatoms, int *nb_atoms, t_atom *atoms) {
jobject obj;
int i, rc = 0;
*nb_atoms = (*env)->GetArrayLength(env, jatoms);
if ( *nb_atoms >= MAX_ATOMS_STACK ) {
error("pdj: array of atoms truncated, original size: %d, new size: %d",
*nb_atoms, MAX_ATOMS_STACK);
*nb_atoms = MAX_ATOMS_STACK;
}
for(i=0;i<*nb_atoms;i++) {
obj = (*env)->GetObjectArrayElement(env, jatoms, i);
rc |= jatom2atom(env, obj, atoms+i);
}
return rc;
}
jobject atom2jatom(JNIEnv *env, t_atom *atom) {
jstring arg;
jobject ret;
ASSERT(atom);
switch(atom->a_type) {
case A_NULL:
ret = (*env)->CallStaticObjectMethod(env, pdjCaching.cls_Atom,
pdjCaching.MIDAtom_newAtom_String, NULL);
if ( ret == NULL ) {
SHOWEXC;
return NULL;
}
return ret;
case A_SYMBOL:
arg = (*env)->NewStringUTF(env, atom->a_w.w_symbol->s_name);
JASSERT(arg);
ret = (*env)->CallStaticObjectMethod(env, pdjCaching.cls_Atom,
pdjCaching.MIDAtom_newAtom_String, arg);
if ( ret == NULL ) {
SHOWEXC;
return NULL;
}
return ret;
case A_FLOAT:
ret = (*env)->CallStaticObjectMethod(env, pdjCaching.cls_Atom,
pdjCaching.MIDAtom_newAtom_Float, atom->a_w.w_float);
if ( ret == NULL ) {
SHOWEXC;
return NULL;
}
return ret;
default:
error("pdj: don't know how to handle atom! type=%d", atom->a_type);
return NULL;
}
}
jobjectArray atoms2jatoms(JNIEnv *env, int argc, t_atom *argv) {
jobjectArray ret;
int i;
ret = (*env)->NewObjectArray(env, argc, pdjCaching.cls_Atom, NULL);
JASSERT(ret);
for(i=0;i<argc;i++) {
jobject elem = atom2jatom(env, &(argv[i]));
if ( elem == NULL ) {
(*env)->DeleteLocalRef(env, ret);
return NULL;
}
(*env)->SetObjectArrayElement(env, ret, i, elem);
if ( (*env)->ExceptionOccurred(env) ) {
(*env)->ExceptionDescribe(env);
(*env)->DeleteLocalRef(env, ret);
return NULL;
}
}
return ret;
}
t_symbol *jstring2symbol(JNIEnv *env, jstring strvalue) {
const char *tmp = (*env)->GetStringUTFChars(env, strvalue, NULL);
t_symbol *value;
JASSERT(tmp);
// TODO : do we have a valid symbol name ???
value = gensym((char *) tmp);
(*env)->ReleaseStringUTFChars(env, strvalue, tmp);
return value;
}
/**
* Returns the first elements with symbol name
*/
t_pd *findPDObject(t_symbol *name) {
void *bindlist_class = gensym("bindlist")->s_thing;
if ( !name->s_thing )
return NULL;
if ( *name->s_thing != bindlist_class )
return name->s_thing;
// TODO: work with bindlist to find first object
error("pdj: duplicate named objects not supported: %s", name->s_name);
return NULL;
}
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