mirror of
https://github.com/libretro/RetroArch
synced 2025-02-09 00:40:09 +00:00
116 lines
3.7 KiB
C
116 lines
3.7 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2012 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2012 - Daniel De Matteis
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <string.h>
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#include <jni.h>
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#include "jni_wrapper.h"
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#include "../../../retroarch_logger.h"
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jint JNI_OnLoad(JavaVM *vm, void *reserved)
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{
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(void)reserved;
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RARCH_LOG("JNI - Successfully executed JNI_OnLoad.\n");
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return JNI_VERSION_1_4;
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}
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#define JNI_EXCEPTION(env) \
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if ((*env)->ExceptionOccurred(env)) \
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{ \
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(*env)->ExceptionDescribe(env); \
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(*env)->ExceptionClear(env); \
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}
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#define GET_OBJECT_CLASS(env, var, clazz_obj) \
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var = (*env)->GetObjectClass(env, clazz_obj); \
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JNI_EXCEPTION(env)
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#define GET_METHOD_ID(env, var, clazz, methodName, fieldDescriptor) \
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var = (*env)->GetMethodID(env, clazz, methodName, fieldDescriptor); \
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JNI_EXCEPTION(env)
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#define CALL_OBJ_METHOD(env, var, clazz_obj, methodId) \
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var = (*env)->CallObjectMethod(env, clazz_obj, methodId); \
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JNI_EXCEPTION(env)
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#define CALL_OBJ_METHOD_PARAM(env, var, clazz_obj, methodId, methodParam) \
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var = (*env)->CallObjectMethod(env, clazz_obj, methodId, methodParam); \
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JNI_EXCEPTION(env)
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void jni_get(void *params, void *out_params, unsigned out_type)
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{
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if (!params)
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return;
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struct jni_params *in_params = (struct jni_params*)params;
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if (!in_params)
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return;
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jclass class_ptr = NULL;
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jobject obj = NULL;
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jmethodID giid = NULL;
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jstring ret_char;
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struct jni_out_params_char *out_params_char = NULL;
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(void)ret_char;
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(void)out_params_char;
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(*in_params->java_vm)->AttachCurrentThread(in_params->java_vm, &in_params->env, 0);
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if (in_params->class_obj)
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{
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GET_OBJECT_CLASS(in_params->env, class_ptr, in_params->class_obj);
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GET_METHOD_ID(in_params->env, giid, class_ptr, in_params->method_name, in_params->method_signature);
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CALL_OBJ_METHOD(in_params->env, obj, in_params->class_obj, giid);
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}
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if (in_params->obj_method_name && obj)
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{
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GET_OBJECT_CLASS(in_params->env, class_ptr, obj);
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GET_METHOD_ID(in_params->env, giid, class_ptr, in_params->obj_method_name, in_params->obj_method_signature);
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switch(out_type)
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{
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case JNI_OUT_CHAR:
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{
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out_params_char = (struct jni_out_params_char*)out_params;
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if (!out_params_char)
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goto do_exit;
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CALL_OBJ_METHOD_PARAM(in_params->env, ret_char, obj, giid, (*in_params->env)->NewStringUTF(in_params->env, out_params_char->in));
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if(giid != NULL && ret_char)
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{
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const char *test_argv = (*in_params->env)->GetStringUTFChars(in_params->env, ret_char, 0);
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strncpy(out_params_char->out, test_argv, out_params_char->out_sizeof);
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(*in_params->env)->ReleaseStringUTFChars(in_params->env, ret_char, test_argv);
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}
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}
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break;
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case JNI_OUT_NONE:
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default:
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break;
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}
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}
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do_exit:
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(*in_params->java_vm)->DetachCurrentThread(in_params->java_vm);
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}
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