| /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */ |
| /** |
| * Copyright (c) 2013-2014, Regents of the University of California. |
| * All rights reserved. |
| * |
| * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions). |
| * See AUTHORS.md for complete list of ndn-cxx authors and contributors. |
| * |
| * This file licensed under New BSD License. See COPYING for detailed information about |
| * ndn-cxx library copyright, permissions, and redistribution restrictions. |
| */ |
| |
| #include "interest-filter.hpp" |
| |
| #include "util/regex/regex-pattern-list-matcher.hpp" |
| |
| namespace ndn { |
| |
| InterestFilter::InterestFilter(const Name& prefix, const std::string& regexFilter) |
| : m_prefix(prefix) |
| , m_regexFilter(ndn::make_shared<RegexPatternListMatcher>(regexFilter, |
| shared_ptr<RegexBackrefManager>())) |
| { |
| } |
| |
| bool |
| InterestFilter::doesMatch(const Name& name) const |
| { |
| if (name.size() < m_prefix.size()) |
| return false; |
| |
| if (hasRegexFilter()) { |
| // perform prefix match and regular expression match for the remaining components |
| bool isMatch = m_prefix.isPrefixOf(name); |
| |
| if (!isMatch) |
| return false; |
| |
| return m_regexFilter->match(name, m_prefix.size(), name.size() - m_prefix.size()); |
| } |
| else { |
| // perform just prefix match |
| |
| return m_prefix.isPrefixOf(name); |
| } |
| } |
| |
| std::ostream& |
| operator<<(std::ostream& os, const InterestFilter& filter) |
| { |
| os << filter.getPrefix(); |
| if (filter.hasRegexFilter()) { |
| os << "?regex=" << filter.getRegexFilter(); |
| } |
| return os; |
| } |
| |
| } // namespace ndn |