Files
speech-tools/java/cpp_version/cstr/est/Features.cc
2015-09-19 10:52:26 +02:00

279 lines
8.3 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_Features. */
/* */
/*************************************************************************/
#include <stdio.h>
#include "jni_Features.h"
#include "EST_Features.h"
static jclass features_class;
static jmethodID features_cons;
static jclass string_class;
static jclass float_class;
static jmethodID float_cons;
static jclass int_class;
static jmethodID int_cons;
static jfieldID handle_field;
static inline short abs(short s) { return s>0?s:-s; }
JNIEXPORT jboolean JNICALL
Java_cstr_est_Features_initialise_1cpp (JNIEnv *env, jclass myclass)
{
features_class = (jclass)env->NewGlobalRef(myclass);
handle_field = env->GetFieldID(myclass, "cpp_handle", "J");
if (!handle_field)
{
printf("can't find handle!\n");
return 0;
}
features_cons = env->GetMethodID(features_class, "<init>", "(J)V");
if (!features_cons)
{
printf("can't find features_cons!\n");
return 0;
}
string_class = (jclass)env->NewGlobalRef(env->FindClass("java/lang/String"));
float_class = (jclass)env->NewGlobalRef(env->FindClass("java/lang/Float"));
float_cons = env->GetMethodID(float_class, "<init>", "(F)V");
if (!float_cons)
{
printf("can't find float_cons!\n");
return 0;
}
int_class = (jclass)env->NewGlobalRef(env->FindClass("java/lang/Integer"));
int_cons = env->GetMethodID(int_class, "<init>", "(I)V");
return 1;
}
JNIEXPORT jboolean JNICALL
Java_cstr_est_Features_finalise_1cpp (JNIEnv *env, jclass myclass)
{
(void)env;
(void)myclass;
return 1;
}
JNIEXPORT jboolean JNICALL
Java_cstr_est_Features_create_1cpp_1features(JNIEnv *env,
jobject self,
jlong handle
)
{
EST_Features *features = (handle==0L
? (new EST_Features)
: (EST_Features *)handle
);
// printf("create features %p\n", features);
env->SetLongField(self, handle_field, (jlong)features);
return 1;
}
JNIEXPORT jboolean JNICALL
Java_cstr_est_Features_destroy_1cpp_1features (JNIEnv *env, jobject self)
{
EST_Features *features = (EST_Features *) env->GetLongField(self, handle_field);
// printf("destroy features %p\n", features);
delete features;
return 1;
}
JNIEXPORT jobjectArray JNICALL
Java_cstr_est_Features_cpp_1featureNames (JNIEnv *env, jobject self)
{
EST_Features *f = (EST_Features *) env->GetLongField(self, handle_field);
int n;
EST_Features::Entries p;
n=0;
for (p.begin(*f); p != 0; ++p)
n++;
jobjectArray names = env->NewObjectArray(n, string_class, NULL);
p.beginning();
for(int i=0; i<n; i++)
{
jstring fn = env->NewStringUTF(p->k);
env->SetObjectArrayElement(names, i, fn);
++p;
}
return names;
}
JNIEXPORT jstring JNICALL
Java_cstr_est_Features_cpp_1getS(JNIEnv *env,
jobject self,
jstring jname,
jstring jdef)
{
EST_Features *f = (EST_Features *) env->GetLongField(self, handle_field);
const char *name = env->GetStringUTFChars(jname, 0);
EST_Val def;
const EST_Val &val = f->val_path(name, def);
env->ReleaseStringUTFChars(jname, name);
if (&def == &val)
return jdef;
return env->NewStringUTF(val.S());
}
JNIEXPORT jfloat JNICALL
Java_cstr_est_Features_cpp_1getF(JNIEnv *env,
jobject self,
jstring jname,
jfloat def)
{
EST_Features *f = (EST_Features *) env->GetLongField(self, handle_field);
const char *name = env->GetStringUTFChars(jname, 0);
float val = f->F(name, def);
env->ReleaseStringUTFChars(jname, name);
return val;
}
JNIEXPORT jobject JNICALL
Java_cstr_est_Features_cpp_1get(JNIEnv *env,
jobject self,
jstring jname,
jobject jdef)
{
EST_Features *f = (EST_Features *) env->GetLongField(self, handle_field);
const char *name = env->GetStringUTFChars(jname, 0);
EST_Val def("hidden");
const EST_Val &val = f->val(name, def);
env->ReleaseStringUTFChars(jname, name);
if (&def == &val)
{
//fprintf(stderr, "get %s =%s\n", name, "def");
return jdef;
}
jobject jval;
val_type t = val.type();
//fprintf(stderr, "get %s =%s (%s)\n", name, (const char *)val.S(), t);
if (t==val_type_feats)
{
jval = env->NewObject(features_class, features_cons, (jlong)feats(val));
}
else if (t==val_float)
{
jval = env->NewObject(float_class, float_cons, (jfloat)val.F());
}
else if (t==val_int)
{
jval = env->NewObject(int_class, int_cons, (jint)val.I());
}
else
{
jval = env->NewStringUTF(val.S());
}
return jval;
}
JNIEXPORT void JNICALL
Java_cstr_est_Features_cpp_1set__Ljava_lang_String_2F(JNIEnv *env, jobject self, jstring jname, jfloat val)
{
EST_Features *f = (EST_Features *) env->GetLongField(self, handle_field);
const char *name = env->GetStringUTFChars(jname, 0);
f->set(name, val);
env->ReleaseStringUTFChars(jname, name);
}
JNIEXPORT void JNICALL
Java_cstr_est_Features_cpp_1set__Ljava_lang_String_2Ljava_lang_String_2(JNIEnv *env, jobject self, jstring jname, jstring jval)
{
EST_Features *f = (EST_Features *) env->GetLongField(self, handle_field);
const char *name = env->GetStringUTFChars(jname, 0);
const char *val = env->GetStringUTFChars(jval, 0);
f->set(name, val);
env->ReleaseStringUTFChars(jname, name);
env->ReleaseStringUTFChars(jval, val);
}
JNIEXPORT jboolean JNICALL
Java_cstr_est_Features_cpp_1present(JNIEnv *env, jobject self, jstring jname)
{
EST_Features *f = (EST_Features *) env->GetLongField(self, handle_field);
const char *name = env->GetStringUTFChars(jname, 0);
int val = f->present(name);
env->ReleaseStringUTFChars(jname, name);
return val;
}