#include <fstream>
#include <iostream>
#include <tr1/unordered_map>
#include <boost/xpressive/xpressive.hpp>
#include <boost/lexical_cast.hpp>

namespace xp = boost::xpressive;

namespace regexes
{
	using namespace xp;

	sregex re_ref = bos >> '[' >> (s1= +_d) >> ']';
	sregex re_txt = (s1= -*_) >> '[' >> (s2= +_d) >> ']';
}
using regexes::re_ref;
using regexes::re_txt;

void process(char const * filename)
{
	std::ifstream file(filename);
	std::string line;
	while (getline(file, line) and line != "@footnote:") {
	}

	std::tr1::unordered_map<int, int> dict;
	int counter = 1;
	xp::smatch what;
	while (getline(file, line)) {
		if (xp::regex_search(line, what, re_ref))
			dict[boost::lexical_cast<int>(what[1])] = counter++;
	}

	file.clear();
	file.seekg(0);
	while (getline(file, line)) {
		std::string::const_iterator from = line.begin();
		std::string::const_iterator to = line.end();
		while (xp::regex_search(from, to, what, re_txt)) {
			from = what[0].second;
			int ref = boost::lexical_cast<int>(what[2]);
			std::cout.write(&*what[1].first, what.length(1));
			std::cout << "[" << (dict[ref] ? dict[ref] : ref) << "]";
		}
		std::cout << std::string(from, to) << "\n";
	}
}

int main(int argc, char ** argv)
{
	std::ios::sync_with_stdio(false);
	for (int i = 1; i < argc; ++i)
		process(argv[i]);
}