json-validator/tests/custom_filter.h

#pragma once

#include <algorithm>
#include <regex>
#include <string>
#include <vector>

class Glob {
private:
  std::regex re_;

public:
  explicit Glob(std::string glob) {
    for (size_t i = glob.find('.'); i != std::string::npos; i = glob.find('.', i + 2)) {
      glob.insert(glob.begin() + i, '\\');
    }
    for (size_t i = glob.find('*'); i != std::string::npos; i = glob.find('*', i + 2)) {
      glob.insert(glob.begin() + i, '.');
    }
    re_ = std::regex(glob);
  }

  bool operator==(std::string const & str) const { return std::regex_search(str, re_); }
};

struct RecursiveTestFilter {
  std::vector<Glob> whitelist;
  std::vector<Glob> blacklist;

  bool accepts(std::string const & str) const {
    return std::count(blacklist.begin(), blacklist.end(), str) == 0 and
           (whitelist.empty() or std::count(whitelist.begin(), whitelist.end(), str) > 0);
  }
};