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load/unload in the Java binding

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This commit is contained in:
kr.angelov
2013-12-10 16:06:34 +00:00
parent 4b2d56d56c
commit 87527c5f04
2 changed files with 89 additions and 13 deletions
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101
src/runtime/java/jpgf.c
View File

@@ -146,15 +146,12 @@ jpgf_jstream_end_buffer(GuInStream* self, size_t consumed, GuExn* err)
(*jstream->env)->ReleaseByteArrayElements(jstream->env, jstream->buf_array, jstream->buf, JNI_ABORT);
}
JNIEXPORT jobject JNICALL
Java_org_grammaticalframework_pgf_PGF_readPGF__Ljava_io_InputStream_2(JNIEnv *env, jclass cls, jobject java_stream)
static GuInStream*
jpgf_new_java_stream(JNIEnv* env, jobject java_stream, GuPool* pool)
{
GuPool* pool = gu_new_pool();
GuPool* tmp_pool = gu_local_pool();
jclass java_stream_class = (*env)->GetObjectClass(env, java_stream);
JInStream* jstream = gu_new(JInStream, tmp_pool);
JInStream* jstream = gu_new(JInStream, pool);
jstream->stream.begin_buffer = jpgf_jstream_begin_buffer;
jstream->stream.end_buffer = jpgf_jstream_end_buffer;
jstream->stream.input = NULL;
@@ -163,21 +160,34 @@ Java_org_grammaticalframework_pgf_PGF_readPGF__Ljava_io_InputStream_2(JNIEnv *en
jstream->read_method = (*env)->GetMethodID(env, java_stream_class, "read", "([B)I");
if (!jstream->read_method) {
gu_pool_free(pool);
gu_pool_free(tmp_pool);
return NULL;
}
jstream->buf_array = (*env)->NewByteArray(env, 1024);
if (!jstream->buf_array) {
gu_pool_free(pool);
gu_pool_free(tmp_pool);
return NULL;
}
jstream->buf = NULL;
GuIn* in = gu_new_in(&jstream->stream, tmp_pool);
return &jstream->stream;
}
JNIEXPORT jobject JNICALL
Java_org_grammaticalframework_pgf_PGF_readPGF__Ljava_io_InputStream_2(JNIEnv *env, jclass cls, jobject java_stream)
{
GuPool* pool = gu_new_pool();
GuPool* tmp_pool = gu_local_pool();
GuInStream* jstream =
jpgf_new_java_stream(env, java_stream, tmp_pool);
if (!jstream) {
gu_pool_free(pool);
gu_pool_free(tmp_pool);
return NULL;
}
GuIn* in = gu_new_in(jstream, tmp_pool);
// Create an exception frame that catches all errors.
GuExn* err = gu_new_exn(NULL, gu_kind(type), tmp_pool);
@@ -295,6 +305,42 @@ Java_org_grammaticalframework_pgf_Concr_getName(JNIEnv* env, jobject self)
return gu2j_string(env, pgf_concrete_name(get_ref(env, self)));
}
JNIEXPORT void JNICALL
Java_org_grammaticalframework_pgf_Concr_load__Ljava_io_InputStream_2(JNIEnv* env, jobject self, jobject java_stream)
{
GuPool* tmp_pool = gu_local_pool();
GuInStream* jstream =
jpgf_new_java_stream(env, java_stream, tmp_pool);
if (!jstream) {
gu_pool_free(tmp_pool);
return;
}
GuIn* in = gu_new_in(jstream, tmp_pool);
// Create an exception frame that catches all errors.
GuExn* err = gu_new_exn(NULL, gu_kind(type), tmp_pool);
pgf_concrete_load(get_ref(env, self), in, err);
if (!gu_ok(err)) {
if (gu_exn_caught(err) == gu_type(PgfExn)) {
GuString msg = (GuString) gu_exn_caught_data(err);
throw_string_exception(env, "org/grammaticalframework/pgf/PGFError", msg);
} else {
throw_string_exception(env, "org/grammaticalframework/pgf/PGFError", "The language cannot be loaded");
}
}
gu_pool_free(tmp_pool);
}
JNIEXPORT void JNICALL
Java_org_grammaticalframework_pgf_Concr_unload(JNIEnv* env, jobject self)
{
pgf_concrete_unload(get_ref(env, self));
}
JNIEXPORT jobject JNICALL
Java_org_grammaticalframework_pgf_Parser_parse
(JNIEnv* env, jclass clazz, jobject concr, jstring jstartCat, jstring js)
@@ -362,7 +408,12 @@ Java_org_grammaticalframework_pgf_Concr_linearize(JNIEnv* env, jobject self, job
pgf_linearize(get_ref(env, self), gu_variant_from_ptr((void*) get_ref(env, jexpr)), out, err);
if (!gu_ok(err)) {
//
if (gu_exn_caught(err) == gu_type(PgfExn)) {
GuString msg = (GuString) gu_exn_caught_data(err);
throw_string_exception(env, "org/grammaticalframework/pgf/PGFError", msg);
} else {
throw_string_exception(env, "org/grammaticalframework/pgf/PGFError", "The expression cannot be linearized");
}
return NULL;
}
@@ -399,7 +450,18 @@ Java_org_grammaticalframework_pgf_Concr_tabularLinearize(JNIEnv* env, jobject se
GuEnum* cts =
pgf_lzr_concretize(concr,
gu_variant_from_ptr((void*) get_ref(env, jexpr)),
err,
tmp_pool);
if (!gu_ok(err)) {
if (gu_exn_caught(err) == gu_type(PgfExn)) {
GuString msg = (GuString) gu_exn_caught_data(err);
throw_string_exception(env, "org/grammaticalframework/pgf/PGFError", msg);
} else {
throw_string_exception(env, "org/grammaticalframework/pgf/PGFError", "The expression cannot be concretized");
}
return NULL;
}
PgfCncTree ctree = gu_next(cts, PgfCncTree, tmp_pool);
if (gu_variant_is_null(ctree)) {
gu_pool_free(tmp_pool);
@@ -483,9 +545,22 @@ Java_org_grammaticalframework_pgf_Concr_lookupMorpho(JNIEnv* env, jobject self,
jmethodID an_constrId = (*env)->GetMethodID(env, an_class, "<init>", "(Ljava/lang/String;Ljava/lang/String;D)V");
GuPool* tmp_pool = gu_new_pool();
GuExn* err = gu_new_exn(NULL, gu_kind(type), tmp_pool);
JMorphoCallback callback = { { jpgf_collect_morpho }, analyses, env, addId, an_class, an_constrId };
pgf_lookup_morpho(get_ref(env, self), j2gu_string(env, sentence, tmp_pool),
&callback.fn, NULL);
&callback.fn, err);
if (!gu_ok(err)) {
if (gu_exn_caught(err) == gu_type(PgfExn)) {
GuString msg = (GuString) gu_exn_caught_data(err);
throw_string_exception(env, "org/grammaticalframework/pgf/PGFError", msg);
} else {
throw_string_exception(env, "org/grammaticalframework/pgf/PGFError", "The lookup failed");
}
analyses = NULL;
}
gu_pool_free(tmp_pool);
return analyses;

1
src/runtime/java/org/grammaticalframework/pgf/Concr.java
View File

@@ -1,5 +1,6 @@
package org.grammaticalframework.pgf;
import java.io.*;
import java.util.*;
public class Concr {