Introduce GETTER_METHOD in utils.h

lib/src/main/cpp/libkiwix/book.cpp

@@ -51,11 +51,7 @@ METHOD(void, Book, update__Lorg_kiwix_libkiwix_JNIKiwixReader_2, jobject archive
   THIS->update(*getPtr<zim::Archive>(env, archive));
 }
 
-#define GETTER(retType, name) JNIEXPORT retType JNICALL \
-Java_org_kiwix_libkiwix_Book_##name (JNIEnv* env, jobject thisObj) \
-{ \
-  return TO_JNI(THIS->name()); \
-}
+#define GETTER(retType, name) GETTER_METHOD(retType, libkiwix_Book, THIS, name)
 
 GETTER(jstring, getId)
 GETTER(jstring, getPath)

lib/src/main/cpp/libkiwix/library.cpp

@@ -69,11 +69,7 @@ METHOD(jint, Library, getBookCount, jboolean localBooks, jboolean remoteBooks) {
   return THIS->getBookCount(localBooks, remoteBooks);
 }
 
-#define GETTER(retType, name) JNIEXPORT retType JNICALL \
-Java_org_kiwix_libkiwix_Library_##name (JNIEnv* env, jobject thisObj) \
-{ \
-  return TO_JNI(THIS->name()); \
-}
+#define GETTER(retType, name) GETTER_METHOD(retType, libkiwix_Library, THIS, name)
 
 GETTER(jobjectArray, getBooksIds)
 GETTER(jobjectArray, getBooksLanguages)

lib/src/main/cpp/libzim/archive.cpp

@@ -116,10 +116,7 @@ Java_org_kiwix_libzim_Archive_dispose(JNIEnv* env, jobject thisObj)
 }
 
 #define THIS GET_PTR(zim::Archive)
-#define GETTER(retType, name) METHOD0(retType, libzim_Archive, name) \
-{ \
-  return TO_JNI(THIS->name()); \
-}
+#define GETTER(retType, name) GETTER_METHOD(retType, libzim_Archive, THIS, name)
 
 
 GETTER(jstring, getFilename)

lib/src/main/cpp/libzim/blob.cpp

@@ -36,10 +36,7 @@ Java_org_kiwix_kiwixlib_libzim_Blob_dispose(JNIEnv* env, jobject thisObj)
   dispose<NATIVE_TYPE>(env, thisObj);
 }
 #define THIS GET_PTR(NATIVE_TYPE)
-#define GETTER(retType, name) METHOD0(retType, libzim_Blob, name) \
-{ \
-  return TO_JNI(THIS->name()); \
-}
+#define GETTER(retType, name) GETTER_METHOD(retType, libzim_Blob, THIS, name)
 
 METHOD0(jstring, libzim_Blob, getData) {
   return TO_JNI(std::string(*THIS));

lib/src/main/cpp/libzim/entry.cpp

@@ -38,10 +38,7 @@ Java_org_kiwix_kiwixlib_libzim_Entry_dispose(JNIEnv* env, jobject thisObj)
 }
 
 #define THIS GET_PTR(NATIVE_TYPE)
-#define GETTER(retType, name) METHOD0(retType, libzim_Entry, name) \
-{ \
-  return TO_JNI(THIS->name()); \
-}
+#define GETTER(retType, name) GETTER_METHOD(retType, libzim_Entry, THIS, name)
 
 
 GETTER(jboolean, isRedirect)

lib/src/main/cpp/libzim/item.cpp

@@ -37,10 +37,7 @@ Java_org_kiwix_kiwixlib_libzim_Item_dispose(JNIEnv* env, jobject thisObj)
 }
 
 #define THIS GET_PTR(NATIVE_TYPE)
-#define GETTER(retType, name) METHOD0(retType, libzim_Item, name) \
-{ \
-  return TO_JNI(THIS->name()); \
-}
+#define GETTER(retType, name) GETTER_METHOD(retType, libzim_Item, THIS, name)
 
 GETTER(jstring, getTitle)
 GETTER(jstring, getPath)

lib/src/main/cpp/libzim/search_iterator.cpp

@@ -39,10 +39,7 @@ METHOD0(void, libzim_SearchIterator, dispose)
 }
 
 #define THIS GET_PTR(NATIVE_TYPE)
-#define GETTER(retType, name) METHOD0(retType, libzim_SearchIterator, name) \
-{ \
-  return TO_JNI(THIS->name()); \
-}
+#define GETTER(retType, name) GETTER_METHOD(retType, libzim_SearchIterator, THIS, name)
 
 GETTER(jstring, getPath)
 GETTER(jstring, getTitle)

lib/src/main/cpp/libzim/searcher.cpp

@@ -52,10 +52,7 @@ METHOD0(void, libzim_Searcher, dispose)
 }
 
 #define THIS GET_PTR(NATIVE_TYPE)
-#define GETTER(retType, name) METHOD0(retType, libzim_Searcher, name) \
-{ \
-  return TO_JNI(THIS->name()); \
-}
+#define GETTER(retType, name) GETTER_METHOD(retType, libzim_Searcher, THIS, name)
 
 METHOD(jobject, libzim_Searcher, addArchive, jobject archive) {
   auto cArchive = getPtr<zim::Archive>(env, archive);

lib/src/main/cpp/libzim/suggestion_item.cpp

@@ -36,10 +36,7 @@ METHOD0(void, libzim_SuggestionItem, dispose)
 }
 
 #define THIS GET_PTR(NATIVE_TYPE)
-#define GETTER(retType, name) METHOD0(retType, libzim_SuggestionItem, name) \
-{ \
-  return TO_JNI(THIS->name()); \
-}
+#define GETTER(retType, name) GETTER_METHOD(retType, libzim_SuggestionItem, THIS, name)
 
 
 GETTER(jstring, getTitle)

lib/src/main/cpp/libzim/suggestion_iterator.cpp

@@ -38,10 +38,7 @@ METHOD0(void, libzim_SuggestionIterator, dispose)
 }
 
 #define THIS GET_PTR(NATIVE_TYPE)
-#define GETTER(retType, name) METHOD0(retType, libzim_SuggestionIterator, name) \
-{ \
-  return TO_JNI(THIS->name()); \
-}
+#define GETTER(retType, name) GETTER_METHOD(retType, libzim_SuggestionIterator, THIS, name)
 
 METHOD0(jboolean, libzim_SearchIterator, hasNext) {
   NATIVE_TYPE next(*THIS);

lib/src/main/cpp/libzim/suggestion_searcher.cpp

@@ -52,10 +52,7 @@ METHOD0(void, libzim_SuggestionSearcher, dispose)
 }
 
 #define THIS GET_PTR(NATIVE_TYPE)
-#define GETTER(retType, name) METHOD0(retType, libzim_SuggestionSearcher, name) \
-{ \
-  return TO_JNI(THIS->name()); \
-}
+#define GETTER(retType, name) GETTER_METHOD(retType, libzim_SuggestionSearcher, THIS, name)
 
 METHOD(jobject, libzim_SuggestionSearcher, suggest, jstring query) {
   auto obj = NEW_OBJECT("org/kiwix/libzim/SuggestionSearch");

lib/src/main/cpp/utils.h

@@ -116,6 +116,10 @@ JNIEXPORT retType JNICALL Java_org_kiwix_##class##_##name( \
 JNIEXPORT retType JNICALL Java_org_kiwix_##class##_##name( \
   JNIEnv* env, jobject thisObj, __VA_ARGS__)
 
+#define GETTER_METHOD(retType, class, THIS, name) METHOD0(retType, class, name) { \
+  return TO_JNI(THIS->name()); \
+}
+
 inline jfieldID getHandleField(JNIEnv* env, jobject obj, const char* handleName)
 {
   jclass c = env->GetObjectClass(obj);