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#include "printutils.h"

QList<QString> print_messages_stack;
OutputHandlerFunc *outputhandler = NULL;
void *outputhandler_data = NULL;

void set_output_handler(OutputHandlerFunc *newhandler, void *userdata)
{
	outputhandler = newhandler;
	outputhandler_data = userdata;
}

void print_messages_push()
{
	print_messages_stack.append(QString());
}

void print_messages_pop()
{
	QString msg = print_messages_stack.last();
	print_messages_stack.removeLast();
	if (print_messages_stack.size() > 0 && !msg.isNull()) {
		if (!print_messages_stack.last().isEmpty())
			print_messages_stack.last() += "\n";
		print_messages_stack.last() += msg;
	}
}

void PRINT(const QString &msg)
{
	if (msg.isNull())
		return;
	if (print_messages_stack.size() > 0) {
		if (!print_messages_stack.last().isEmpty())
			print_messages_stack.last() += "\n";
		print_messages_stack.last() += msg;
	}
	PRINT_NOCACHE(msg);
}

void PRINT_NOCACHE(const QString &msg)
{
	if (msg.isNull())
		return;
	if (!outputhandler) {
		fprintf(stderr, "%s\n", msg.toUtf8().data());
	} else {
		outputhandler(msg, outputhandler_data);
	}
}
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