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2015-09-19 10:52:26 +02:00

257 lines
7.9 KiB
C++

/*************************************************************************/
/* */
/* Centre for Speech Technology Research */
/* University of Edinburgh, UK */
/* Copyright (c) 1995,1996 */
/* All Rights Reserved. */
/* */
/* Permission is hereby granted, free of charge, to use and distribute */
/* this software and its documentation without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of this work, and to */
/* permit persons to whom this work is furnished to do so, subject to */
/* the following conditions: */
/* 1. The code must retain the above copyright notice, this list of */
/* conditions and the following disclaimer. */
/* 2. Any modifications must be clearly marked as such. */
/* 3. Original authors' names are not deleted. */
/* 4. The authors' names are not used to endorse or promote products */
/* derived from this software without specific prior written */
/* permission. */
/* */
/* THE UNIVERSITY OF EDINBURGH AND THE CONTRIBUTORS TO THIS WORK */
/* DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING */
/* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT */
/* SHALL THE UNIVERSITY OF EDINBURGH NOR THE CONTRIBUTORS BE LIABLE */
/* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES */
/* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN */
/* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, */
/* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF */
/* THIS SOFTWARE. */
/* */
/*************************************************************************/
/* */
/* Author: Richard Caley <rjc@cstr.ed.ac.uk> */
/* ------------------------------------------------------------------- */
/* Interface between java and C++ for EST_Relation. */
/* */
/*************************************************************************/
#include <stdio.h>
#include "jni_Relation.h"
#include "ling_class/EST_Relation.h"
#include "ling_class/EST_Item.h"
static jobject relation_class;
static jfieldID handle_field;
static inline short abs(short s) { return s>0?s:-s; }
JNIEXPORT jboolean JNICALL
Java_cstr_est_Relation_initialise_1cpp (JNIEnv *env, jclass myclass)
{
relation_class = env->NewGlobalRef(myclass);
handle_field = env->GetFieldID(myclass, "cpp_handle", "J");
if (!handle_field)
{
printf("can't find handle!\n");
return 0;
}
return 1;
}
JNIEXPORT jboolean JNICALL
Java_cstr_est_Relation_finalise_1cpp (JNIEnv *env, jclass myclass)
{
(void)env;
(void)myclass;
return 1;
}
JNIEXPORT jboolean JNICALL
Java_cstr_est_Relation_create_1cpp_1relation(JNIEnv *env,
jobject self,
jlong handle
)
{
EST_Relation *relation =(handle == 0L
? (new EST_Relation)
: (EST_Relation *)handle
);
// printf("create relation %p\n", relation);
env->SetLongField(self, handle_field, (jlong)relation);
return 1;
}
JNIEXPORT jboolean JNICALL
Java_cstr_est_Relation_destroy_1cpp_1relation (JNIEnv *env, jobject self)
{
EST_Relation *relation = (EST_Relation *) env->GetLongField(self, handle_field);
// printf("destroy relation %p\n", relation);
delete relation;
return 1;
}
JNIEXPORT jstring JNICALL
Java_cstr_est_Relation_cpp_1name(JNIEnv *env, jobject self)
{
EST_Relation *relation = (EST_Relation *) env->GetLongField(self, handle_field);
return env->NewStringUTF(relation->name());
}
JNIEXPORT jstring JNICALL
Java_cstr_est_Relation_cpp_1getFeature (JNIEnv *env, jobject self,
jstring jn)
{
EST_Relation *relation = (EST_Relation *) env->GetLongField(self, handle_field);
const char *n = env->GetStringUTFChars(jn, 0);
const char *v = (relation->f.present(n)
? (const char *)relation->f.S(n)
: "");
env->ReleaseStringUTFChars(jn, n);
return env->NewStringUTF(v);
}
JNIEXPORT jstring JNICALL
Java_cstr_est_Relation_cpp_1type(JNIEnv *env, jobject self)
{
EST_Relation *relation = (EST_Relation *) env->GetLongField(self, handle_field);
EST_Item * hd = relation->head();
const char *type;
if (!hd)
type = "empty";
else
{
type = "linear";
while (hd)
{
if (hd->up() || hd->down())
{
type = "tree";
break;
}
hd=hd->next();
}
}
return env->NewStringUTF(type);
}
JNIEXPORT jstring JNICALL
Java_cstr_est_Relation_cpp_1load (JNIEnv *env, jobject self, jstring jfilename)
{
EST_Relation *stream = (EST_Relation *) env->GetLongField(self, handle_field);
const char *filename = env->GetStringUTFChars(jfilename, 0);
const char *res = "";
EST_read_status stat = stream->load(filename);
env->ReleaseStringUTFChars(jfilename, filename);
if (stat == read_format_error)
res = "stream format error";
else if (stat == read_error)
res = "stream load error";
return env->NewStringUTF(res);
}
JNIEXPORT jstring JNICALL
Java_cstr_est_Relation_cpp_1save (JNIEnv *env, jobject self, jstring jfilename, jstring jformat)
{
EST_Relation *stream = (EST_Relation *) env->GetLongField(self, handle_field);
const char *filename = env->GetStringUTFChars(jfilename, 0);
const char *format = env->GetStringUTFChars(jformat, 0);
const char *res = "";
EST_write_status stat = stream->save(filename);
env->ReleaseStringUTFChars(jfilename, filename);
env->ReleaseStringUTFChars(jformat, format);
if (stat == write_error)
res = "stream save error";
return env->NewStringUTF(res);
}
JNIEXPORT jlong JNICALL
Java_cstr_est_Relation_cpp_1head(JNIEnv *env, jobject self)
{
EST_Relation *relation = (EST_Relation *) env->GetLongField(self, handle_field);
EST_Item *item = relation->head();
return (long)item;
}
JNIEXPORT jlong JNICALL
Java_cstr_est_Relation_cpp_1tail(JNIEnv *env, jobject self)
{
EST_Relation *relation = (EST_Relation *) env->GetLongField(self, handle_field);
EST_Item * item = relation->tail();
return (long)item;
}
JNIEXPORT jlong JNICALL
Java_cstr_est_Relation_cpp_1append(JNIEnv *env, jobject self)
{
EST_Relation *relation = (EST_Relation *) env->GetLongField(self, handle_field);
EST_Item * item = relation->append();
return (long)item;
}
JNIEXPORT void JNICALL
Java_cstr_est_Relation_cpp_1removeItemList(JNIEnv *env,
jobject self,
jlong ihandle
)
{
EST_Relation *relation = (EST_Relation *) env->GetLongField(self, handle_field);
EST_Item * item = (EST_Item *)ihandle;
remove_item_list(relation, item);
}
JNIEXPORT jlong JNICALL
Java_cstr_est_Relation_cpp_1findItem(JNIEnv *env, jobject self, jfloat time)
{
EST_Relation *relation = (EST_Relation *) env->GetLongField(self, handle_field);
EST_Item * item = relation->head();
while (item!=NULL && item->F("end", 0.0) < time)
item = item->next();
return (long)item;
}
JNIEXPORT jfloat JNICALL
Java_cstr_est_Relation_cpp_1getEndTime(JNIEnv *env, jobject self)
{
EST_Relation *relation = (EST_Relation *) env->GetLongField(self, handle_field);
EST_Item *item = relation->tail();
return item?item->F("end",0.0):0.0;
}