234 lines
7.4 KiB
C++
234 lines
7.4 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_Utterance. */
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/* */
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/*************************************************************************/
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#include <stdio.h>
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#include "jni_Utterance.h"
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#include "ling_class/EST_Utterance.h"
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static jobject utterance_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_Utterance_initialise_1cpp (JNIEnv *env, jclass myclass)
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{
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utterance_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_Utterance_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_Utterance_create_1cpp_1utterance(JNIEnv *env, jobject self)
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{
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EST_Utterance *utterance = new EST_Utterance;
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// printf("create utterance %p\n", utterance);
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env->SetLongField(self, handle_field, (jlong)utterance);
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return 1;
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}
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JNIEXPORT jboolean JNICALL
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Java_cstr_est_Utterance_destroy_1cpp_1utterance (JNIEnv *env, jobject self)
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{
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EST_Utterance *utterance = (EST_Utterance *) env->GetLongField(self, handle_field);
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// printf("destroy utterance %p\n", utterance);
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if (utterance)
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delete utterance;
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return 1;
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}
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JNIEXPORT jint JNICALL
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Java_cstr_est_Utterance_cpp_1num_1relations(JNIEnv *env, jobject self)
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{
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EST_Utterance *utterance = (EST_Utterance *)env->GetLongField(self, handle_field);
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return utterance->num_relations();
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}
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JNIEXPORT jboolean JNICALL
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Java_cstr_est_Utterance_cpp_1has_1relation(JNIEnv *env,
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jobject self,
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jstring jname)
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{
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EST_Utterance *utterance = (EST_Utterance *)env->GetLongField(self, handle_field);
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const char *name = env->GetStringUTFChars(jname, 0);
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bool has = utterance->relation_present(name);
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env->ReleaseStringUTFChars(jname, name);
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return has;
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}
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JNIEXPORT jlong JNICALL Java_cstr_est_Utterance_cpp_1relation_1n(JNIEnv *env,
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jobject self,
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jint n)
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{
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EST_Utterance *utterance = (EST_Utterance *)env->GetLongField(self, handle_field);
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EST_Relation * rel=NULL;
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EST_Features::Entries p;
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for(p.begin(utterance->relations); p && n>0; ++p,n--)
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;
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if (n==0)
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rel = relation(p->v);
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return (jlong)rel;
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}
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JNIEXPORT jlong JNICALL
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Java_cstr_est_Utterance_cpp_1relation(JNIEnv *env,
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jobject self,
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jstring jname)
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{
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EST_Utterance *utterance = (EST_Utterance *)env->GetLongField(self, handle_field);
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const char *name = env->GetStringUTFChars(jname, 0);
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if (!utterance->relation_present(name))
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return (jlong)0l;
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EST_Relation * rel = utterance->relation(name);
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env->ReleaseStringUTFChars(jname, name);
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return (jlong)rel;
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}
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JNIEXPORT jlong JNICALL
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Java_cstr_est_Utterance_cpp_1create_1relation(JNIEnv *env,
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jobject self,
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jstring jname)
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{
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EST_Utterance *utterance = (EST_Utterance *)env->GetLongField(self, handle_field);
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const char *name = env->GetStringUTFChars(jname, 0);
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if (utterance->relation_present(name))
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return (jlong)0l;
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EST_Relation * rel = utterance->create_relation(name);
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env->ReleaseStringUTFChars(jname, name);
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return (jlong)rel;
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}
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JNIEXPORT jstring JNICALL
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Java_cstr_est_Utterance_cpp_1load (JNIEnv *env, jobject self, jstring jfilename)
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{
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EST_Utterance *utterance = (EST_Utterance *) env->GetLongField(self, handle_field);
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const char *filename = env->GetStringUTFChars(jfilename, 0);
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EST_String fn(filename);
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EST_read_status stat = read_ok;
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CATCH_ERRORS()
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{
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env->ReleaseStringUTFChars(jfilename, filename);
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return env->NewStringUTF(EST_error_message);
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}
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stat = utterance->load(fn);
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END_CATCH_ERRORS();
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env->ReleaseStringUTFChars(jfilename, filename);
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const char *res = "";
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if (stat == read_format_error)
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res = "utterance format error";
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else if (stat != read_ok)
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res = "utterance 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_Utterance_cpp_1save (JNIEnv *env, jobject self, jstring jfilename, jstring jformat)
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{
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const EST_Utterance *utterance = (EST_Utterance *) 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 = format[0]=='\0'
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? utterance->save(filename)
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: utterance->save(filename,format);
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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 = "utterance save error";
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return env->NewStringUTF(res);
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}
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