Function Java_AStyleInterface_AStyleMain

other_src/astyle/src/astyle_main.cpp:3017–3054

// called by a java program to format the source code
// the function name is constructed from method names in the calling java program
extern "C"  EXPORT
jstring STDCALL Java_AStyleInterface_AStyleMain(JNIEnv* env,
        jobject obj,
        jstring textInJava,
        jstring optionsJava)
{
	g_env = env;                                // make object available globally
	g_obj = obj;                                // make object available globally

	jstring textErr = env->NewStringUTF("");    // zero length text returned if an error occurs

	// get the method ID
	jclass cls = env->GetObjectClass(obj);
	g_mid = env->GetMethodID(cls, "ErrorHandler","(ILjava/lang/String;)V");
	if (g_mid == 0)
	{
		cout << "Cannot find java method ErrorHandler" << endl;
		return textErr;
	}

	// convert jstring to char*
	const char* textIn = env->GetStringUTFChars(textInJava, NULL);
	const char* options = env->GetStringUTFChars(optionsJava, NULL);

	// call the C++ formatting function
	char* textOut = AStyleMain(textIn, options, javaErrorHandler, javaMemoryAlloc);
	// if an error message occurred it was displayed by errorHandler
	if (textOut == NULL)
		return textErr;

	// release memory
	jstring textOutJava = env->NewStringUTF(textOut);
	delete [] textOut;
	env->ReleaseStringUTFChars(textInJava, textIn);
	env->ReleaseStringUTFChars(optionsJava, options);

	return textOutJava;
}

// Call the Java error handler
void STDCALL javaErrorHandler(int errorNumber, const char* errorMessage)