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#include <jni.h>
#include <sg/sg.h>
#include "jni_utils.h"
JNIEXPORT jobject JNICALL
Java_org_grammaticalframework_sg_SG_openSG(JNIEnv *env, jclass cls, jstring path)
{
GuPool* tmp_pool = gu_local_pool();
// Create an exception frame that catches all errors.
GuExn* err = gu_exn(tmp_pool);
const char *fpath = (*env)->GetStringUTFChars(env, path, 0);
// Read the PGF grammar.
SgSG* sg = sg_open(fpath, err);
(*env)->ReleaseStringUTFChars(env, path, fpath);
if (!gu_ok(err)) {
GuString msg;
if (gu_exn_caught(err, SgError)) {
msg = (GuString) gu_exn_caught_data(err);
} else {
msg = "The database cannot be opened";
}
throw_string_exception(env, "org/grammaticalframework/sg/SGError", msg);
gu_pool_free(tmp_pool);
return NULL;
}
gu_pool_free(tmp_pool);
jmethodID constrId = (*env)->GetMethodID(env, cls, "<init>", "(J)V");
return (*env)->NewObject(env, cls, constrId, p2l(sg));
}
JNIEXPORT void JNICALL
Java_org_grammaticalframework_sg_SG_close(JNIEnv *env, jobject self)
{
GuPool* tmp_pool = gu_local_pool();
// Create an exception frame that catches all errors.
GuExn* err = gu_exn(tmp_pool);
sg_close(get_ref(env, self), err);
if (!gu_ok(err)) {
GuString msg;
if (gu_exn_caught(err, SgError)) {
msg = (GuString) gu_exn_caught_data(err);
} else {
msg = "The database cannot be closed";
}
throw_string_exception(env, "org/grammaticalframework/sg/SGError", msg);
gu_pool_free(tmp_pool);
return;
}
gu_pool_free(tmp_pool);
}
JNIEXPORT jobject JNICALL
Java_org_grammaticalframework_sg_SG_queryTriple(JNIEnv *env, jobject self,
jobject subj,
jobject pred,
jobject obj)
{
return NULL;
}
JNIEXPORT jboolean JNICALL
Java_org_grammaticalframework_sg_TripleResult_hasNext(JNIEnv *env, jobject self)
{
}
JNIEXPORT void JNICALL
Java_org_grammaticalframework_sg_TripleResult_close(JNIEnv *env, jobject self)
{
}
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