Method get_diff

utility/text_diff.cpp:11–30

const char *RESET = "\u001b[0m";
const char *BLUE = "\u001b[1;94m";
String TextDiff::get_diff(const String &old_text, const String &new_text) {
	std::string old_text_str = old_text.utf8().get_data();
	std::string new_text_str = new_text.utf8().get_data();
	Vector<String> old_text_lines = old_text.split("\n");
	Vector<String> new_text_lines = new_text.split("\n");
	std::vector<std::string> old_text_lines_vec;
	std::vector<std::string> new_text_lines_vec;
	for (String line : old_text_lines) {
		old_text_lines_vec.push_back(line.utf8().get_data());
	}
	for (String line : new_text_lines) {
		new_text_lines_vec.push_back(line.utf8().get_data());
	}
	dtl::Diff<std::string, std::vector<std::string>> d(old_text_lines_vec, new_text_lines_vec);
	d.compose();
	d.composeUnifiedHunks();
	std::stringstream ss;
	d.printUnifiedFormat(ss);
	return String::utf8(ss.str().c_str());
}

String TextDiff::get_diff_with_header(const String &old_path, const String &new_path, const String &old_text, const String &new_text) {
	String header = "--- a/" + old_path + "\n";