Function progress_emitter

Source/astcenccli_toplevel.cpp:185–209

 * @brief Callback emitting a progress bar
 */
extern "C" void progress_emitter(
	float value
) {
	const unsigned int bar_size = 25;
	unsigned int parts = static_cast<int>(value / 4.0f);

	char buffer[bar_size + 3];
	buffer[0] = '[';

	for (unsigned int i = 0; i < parts; i++)
	{
		buffer[i + 1] = '=';
	}

	for (unsigned int i = parts; i < bar_size; i++)
	{
		buffer[i + 1] = ' ';
	}

	buffer[bar_size + 1] = ']';
	buffer[bar_size + 2] = '\0';

	printf("    Progress: %s %03.1f%%\r", buffer, static_cast<double>(value));
	fflush(stdout);
}

/**
 * @brief Test if a string argument is a well formed float.