279 lines
8.3 KiB
C++
279 lines
8.3 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_Features. */
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/* */
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/*************************************************************************/
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#include <stdio.h>
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#include "jni_Features.h"
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#include "EST_Features.h"
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static jclass features_class;
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static jmethodID features_cons;
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static jclass string_class;
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static jclass float_class;
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static jmethodID float_cons;
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static jclass int_class;
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static jmethodID int_cons;
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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_Features_initialise_1cpp (JNIEnv *env, jclass myclass)
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{
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features_class = (jclass)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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features_cons = env->GetMethodID(features_class, "<init>", "(J)V");
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if (!features_cons)
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{
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printf("can't find features_cons!\n");
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return 0;
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}
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string_class = (jclass)env->NewGlobalRef(env->FindClass("java/lang/String"));
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float_class = (jclass)env->NewGlobalRef(env->FindClass("java/lang/Float"));
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float_cons = env->GetMethodID(float_class, "<init>", "(F)V");
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if (!float_cons)
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{
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printf("can't find float_cons!\n");
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return 0;
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}
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int_class = (jclass)env->NewGlobalRef(env->FindClass("java/lang/Integer"));
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int_cons = env->GetMethodID(int_class, "<init>", "(I)V");
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return 1;
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}
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JNIEXPORT jboolean JNICALL
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Java_cstr_est_Features_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_Features_create_1cpp_1features(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_Features *features = (handle==0L
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? (new EST_Features)
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: (EST_Features *)handle
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);
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// printf("create features %p\n", features);
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env->SetLongField(self, handle_field, (jlong)features);
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return 1;
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}
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JNIEXPORT jboolean JNICALL
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Java_cstr_est_Features_destroy_1cpp_1features (JNIEnv *env, jobject self)
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{
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EST_Features *features = (EST_Features *) env->GetLongField(self, handle_field);
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// printf("destroy features %p\n", features);
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delete features;
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return 1;
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}
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JNIEXPORT jobjectArray JNICALL
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Java_cstr_est_Features_cpp_1featureNames (JNIEnv *env, jobject self)
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{
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EST_Features *f = (EST_Features *) env->GetLongField(self, handle_field);
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int n;
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EST_Features::Entries p;
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n=0;
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for (p.begin(*f); p != 0; ++p)
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n++;
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jobjectArray names = env->NewObjectArray(n, string_class, NULL);
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p.beginning();
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for(int i=0; i<n; i++)
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{
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jstring fn = env->NewStringUTF(p->k);
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env->SetObjectArrayElement(names, i, fn);
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++p;
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}
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return names;
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}
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JNIEXPORT jstring JNICALL
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Java_cstr_est_Features_cpp_1getS(JNIEnv *env,
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jobject self,
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jstring jname,
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jstring jdef)
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{
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EST_Features *f = (EST_Features *) env->GetLongField(self, handle_field);
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const char *name = env->GetStringUTFChars(jname, 0);
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EST_Val def;
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const EST_Val &val = f->val_path(name, def);
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env->ReleaseStringUTFChars(jname, name);
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if (&def == &val)
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return jdef;
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return env->NewStringUTF(val.S());
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}
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JNIEXPORT jfloat JNICALL
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Java_cstr_est_Features_cpp_1getF(JNIEnv *env,
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jobject self,
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jstring jname,
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jfloat def)
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{
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EST_Features *f = (EST_Features *) env->GetLongField(self, handle_field);
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const char *name = env->GetStringUTFChars(jname, 0);
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float val = f->F(name, def);
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env->ReleaseStringUTFChars(jname, name);
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return val;
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}
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JNIEXPORT jobject JNICALL
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Java_cstr_est_Features_cpp_1get(JNIEnv *env,
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jobject self,
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jstring jname,
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jobject jdef)
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{
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EST_Features *f = (EST_Features *) env->GetLongField(self, handle_field);
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const char *name = env->GetStringUTFChars(jname, 0);
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EST_Val def("hidden");
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const EST_Val &val = f->val(name, def);
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env->ReleaseStringUTFChars(jname, name);
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if (&def == &val)
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{
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//fprintf(stderr, "get %s =%s\n", name, "def");
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return jdef;
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}
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jobject jval;
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val_type t = val.type();
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//fprintf(stderr, "get %s =%s (%s)\n", name, (const char *)val.S(), t);
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if (t==val_type_feats)
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{
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jval = env->NewObject(features_class, features_cons, (jlong)feats(val));
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}
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else if (t==val_float)
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{
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jval = env->NewObject(float_class, float_cons, (jfloat)val.F());
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}
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else if (t==val_int)
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{
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jval = env->NewObject(int_class, int_cons, (jint)val.I());
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}
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else
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{
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jval = env->NewStringUTF(val.S());
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}
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return jval;
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}
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JNIEXPORT void JNICALL
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Java_cstr_est_Features_cpp_1set__Ljava_lang_String_2F(JNIEnv *env, jobject self, jstring jname, jfloat val)
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{
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EST_Features *f = (EST_Features *) env->GetLongField(self, handle_field);
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const char *name = env->GetStringUTFChars(jname, 0);
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f->set(name, val);
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env->ReleaseStringUTFChars(jname, name);
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}
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JNIEXPORT void JNICALL
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Java_cstr_est_Features_cpp_1set__Ljava_lang_String_2Ljava_lang_String_2(JNIEnv *env, jobject self, jstring jname, jstring jval)
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{
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EST_Features *f = (EST_Features *) env->GetLongField(self, handle_field);
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const char *name = env->GetStringUTFChars(jname, 0);
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const char *val = env->GetStringUTFChars(jval, 0);
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f->set(name, val);
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env->ReleaseStringUTFChars(jname, name);
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env->ReleaseStringUTFChars(jval, val);
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}
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JNIEXPORT jboolean JNICALL
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Java_cstr_est_Features_cpp_1present(JNIEnv *env, jobject self, jstring jname)
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{
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EST_Features *f = (EST_Features *) env->GetLongField(self, handle_field);
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const char *name = env->GetStringUTFChars(jname, 0);
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int val = f->present(name);
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env->ReleaseStringUTFChars(jname, name);
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return val;
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}
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