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added getCategories() and getFunctions() in the Java binding

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krasimir
2016-04-13 12:02:42 +00:00
parent 0bdba1a8d4
commit 18a5548b2b
1 changed files with 78 additions and 0 deletions
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78
src/runtime/java/jpgf.c
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@@ -236,6 +236,84 @@ Java_org_grammaticalframework_pgf_PGF_getLanguages(JNIEnv* env, jobject self)
return languages; return languages;
} }
static void
pgf_collect_names(GuMapItor* fn, const void* key, void* value, GuExn* err)
{
PgfCId name = (PgfCId) key;
JPGFClosure* clo = (JPGFClosure*) fn;
jstring jname = gu2j_string(clo->env, name);
jclass list_class = (*clo->env)->GetObjectClass(clo->env, clo->object);
jmethodID add_method = (*clo->env)->GetMethodID(clo->env, list_class, "add", "(Ljava/lang/Object;)Z");
(*clo->env)->CallObjectMethod(clo->env, clo->object, add_method, jname);
}
JNIEXPORT jobject JNICALL
Java_org_grammaticalframework_pgf_PGF_getCategories(JNIEnv* env, jobject self)
{
jclass list_class = (*env)->FindClass(env, "java/util/ArrayList");
if (!list_class)
return NULL;
jmethodID constrId = (*env)->GetMethodID(env, list_class, "<init>", "()V");
if (!constrId)
return NULL;
jobject categories = (*env)->NewObject(env, list_class, constrId);
if (!categories)
return NULL;
PgfPGF* pgf = get_ref(env, self);
GuPool* tmp_pool = gu_local_pool();
// Create an exception frame that catches all errors.
GuExn* err = gu_exn(tmp_pool);
JPGFClosure clo = { { pgf_collect_names }, env, self, categories };
pgf_iter_categories(pgf, &clo.fn, err);
if (!gu_ok(err)) {
gu_pool_free(tmp_pool);
return NULL;
}
gu_pool_free(tmp_pool);
return categories;
}
JNIEXPORT jobject JNICALL
Java_org_grammaticalframework_pgf_PGF_getFunctions(JNIEnv* env, jobject self)
{
jclass list_class = (*env)->FindClass(env, "java/util/ArrayList");
if (!list_class)
return NULL;
jmethodID constrId = (*env)->GetMethodID(env, list_class, "<init>", "()V");
if (!constrId)
return NULL;
jobject functions = (*env)->NewObject(env, list_class, constrId);
if (!functions)
return NULL;
PgfPGF* pgf = get_ref(env, self);
GuPool* tmp_pool = gu_local_pool();
// Create an exception frame that catches all errors.
GuExn* err = gu_exn(tmp_pool);
JPGFClosure clo = { { pgf_collect_names }, env, self, functions };
pgf_iter_functions(pgf, &clo.fn, err);
if (!gu_ok(err)) {
gu_pool_free(tmp_pool);
return NULL;
}
gu_pool_free(tmp_pool);
return functions;
}
JNIEXPORT jstring JNICALL JNIEXPORT jstring JNICALL
Java_org_grammaticalframework_pgf_Concr_getName(JNIEnv* env, jobject self) Java_org_grammaticalframework_pgf_Concr_getName(JNIEnv* env, jobject self)
{ {