blob: 173c4ddd5afa35a316ed37bcaff65c18ffb83198 [file] [log] [blame]
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2013-2019 Regents of the University of California.
*
* This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
*
* ndn-cxx library is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any later version.
*
* ndn-cxx library is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
*
* You should have received copies of the GNU General Public License and GNU Lesser
* General Public License along with ndn-cxx, e.g., in COPYING.md file. If not, see
* <http://www.gnu.org/licenses/>.
*
* See AUTHORS.md for complete list of ndn-cxx authors and contributors.
*/
#include "ndn-cxx/interest-filter.hpp"
#include "ndn-cxx/util/regex/regex-pattern-list-matcher.hpp"
namespace ndn {
InterestFilter::InterestFilter(const Name& prefix)
: m_prefix(prefix)
{
}
InterestFilter::InterestFilter(const char* prefixUri)
: m_prefix(prefixUri)
{
}
InterestFilter::InterestFilter(const std::string& prefixUri)
: m_prefix(prefixUri)
{
}
InterestFilter::InterestFilter(const Name& prefix, const std::string& regexFilter)
: m_prefix(prefix)
, m_regexFilter(make_shared<RegexPatternListMatcher>(regexFilter, nullptr))
{
}
InterestFilter::operator const Name&() const
{
if (hasRegexFilter()) {
NDN_THROW(Error("Please update InterestCallback to accept `const InterestFilter&'"
" (non-trivial InterestFilter is being used)"));
}
return m_prefix;
}
bool
InterestFilter::doesMatch(const Name& name) const
{
return m_prefix.isPrefixOf(name) &&
(!hasRegexFilter() ||
m_regexFilter->match(name, m_prefix.size(), name.size() - m_prefix.size()));
}
std::ostream&
operator<<(std::ostream& os, const InterestFilter& filter)
{
os << filter.getPrefix();
if (filter.hasRegexFilter()) {
os << "?regex=" << filter.getRegexFilter();
}
return os;
}
} // namespace ndn