libkiwix/src/android/kiwixsearcher.cpp

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/*
* Copyright (C) 2013 Emmanuel Engelhart <kelson@kiwix.org>
* Copyright (C) 2017 Matthieu Gautier <mgautier@kymeria.fr>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#include <zim/file.h>
#include "org_kiwix_kiwixlib_JNIKiwixSearcher.h"
#include "org_kiwix_kiwixlib_JNIKiwixSearcher_Result.h"
#include "reader.h"
#include "searcher.h"
#include "utils.h"
#define SEARCHER (Handle<kiwix::Searcher>::getHandle(env, obj))
#define RESULT (Handle<kiwix::Result>::getHandle(env, obj))
JNIEXPORT void JNICALL
Java_org_kiwix_kiwixlib_JNIKiwixSearcher_dispose(JNIEnv* env, jobject obj)
{
Handle<kiwix::Searcher>::dispose(env, obj);
}
/* Kiwix Reader JNI functions */
JNIEXPORT jlong JNICALL
Java_org_kiwix_kiwixlib_JNIKiwixSearcher_getNativeHandle(JNIEnv* env,
jobject obj)
{
kiwix::Searcher* searcher = new kiwix::Searcher();
return reinterpret_cast<jlong>(new Handle<kiwix::Searcher>(searcher));
}
/* Kiwix library functions */
JNIEXPORT void JNICALL Java_org_kiwix_kiwixlib_JNIKiwixSearcher_addReader(
JNIEnv* env, jobject obj, jobject reader)
{
auto searcher = SEARCHER;
searcher->add_reader(*(Handle<kiwix::Reader>::getHandle(env, reader)));
}
JNIEXPORT void JNICALL Java_org_kiwix_kiwixlib_JNIKiwixSearcher_search(
JNIEnv* env, jobject obj, jstring query, jint count)
{
std::string cquery = jni2c(query, env);
unsigned int ccount = jni2c(count);
SEARCHER->search(cquery, 0, ccount);
}
JNIEXPORT jobject JNICALL
Java_org_kiwix_kiwixlib_JNIKiwixSearcher_getNextResult(JNIEnv* env,
jobject obj)
{
jobject result = nullptr;
kiwix::Result* cresult = SEARCHER->getNextResult();
if (cresult != nullptr) {
jclass resultclass
= env->FindClass("org/kiwix/kiwixlib/JNIKiwixSearcher$Result");
jmethodID ctor = env->GetMethodID(
resultclass, "<init>", "(Lorg/kiwix/kiwixlib/JNIKiwixSearcher;JLorg/kiwix/kiwixlib/JNIKiwixSearcher;)V");
result = env->NewObject(resultclass, ctor, obj, reinterpret_cast<jlong>(new Handle<kiwix::Result>(cresult)), obj);
}
return result;
}
JNIEXPORT void JNICALL Java_org_kiwix_kiwixlib_JNIKiwixSearcher_00024Result_dispose(
JNIEnv* env, jobject obj)
{
Handle<kiwix::Result>::dispose(env, obj);
}
JNIEXPORT jstring JNICALL
Java_org_kiwix_kiwixlib_JNIKiwixSearcher_00024Result_getUrl(JNIEnv* env,
jobject obj)
{
try {
return c2jni(RESULT->get_url(), env);
} catch (...) {
return nullptr;
}
}
JNIEXPORT jstring JNICALL
Java_org_kiwix_kiwixlib_JNIKiwixSearcher_00024Result_getTitle(JNIEnv* env,
jobject obj)
{
try {
return c2jni(RESULT->get_title(), env);
} catch (...) {
return nullptr;
}
}
JNIEXPORT jstring JNICALL
Java_org_kiwix_kiwixlib_JNIKiwixSearcher_00024Result_getSnippet(JNIEnv* env,
jobject obj)
{
return c2jni(RESULT->get_snippet(), env);
}
JNIEXPORT jstring JNICALL
Java_org_kiwix_kiwixlib_JNIKiwixSearcher_00024Result_getContent(JNIEnv* env,
jobject obj)
{
return c2jni(RESULT->get_content(), env);
}