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