/**
 * Orthanc - A Lightweight, RESTful DICOM Store
 * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics
 * Department, University Hospital of Liege, Belgium
 *
 * This program is free software: you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * In addition, as a special exception, the copyright holders of this
 * program give permission to link the code of its release with the
 * OpenSSL project's "OpenSSL" library (or with modified versions of it
 * that use the same license as the "OpenSSL" library), and distribute
 * the linked executables. You must obey the GNU General Public License
 * in all respects for all of the code used other than "OpenSSL". If you
 * modify file(s) with this exception, you may extend this exception to
 * your version of the file(s), but you are not obligated to do so. If
 * you do not wish to do so, delete this exception statement from your
 * version. If you delete this exception statement from all source files
 * in the program, then also delete it here.
 * 
 * This program 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
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 **/


#include "../PrecompiledHeadersServer.h"
#include "WildcardConstraint.h"

#include <boost/regex.hpp>

namespace Orthanc
{
  struct WildcardConstraint::PImpl
  {
    boost::regex  pattern_;
    std::string   wildcard_;
  };


  WildcardConstraint::WildcardConstraint(const WildcardConstraint& other) :
    pimpl_(new PImpl(*other.pimpl_))
  {
  }


  WildcardConstraint::WildcardConstraint(const std::string& wildcard,
                                         bool isCaseSensitive) :
    pimpl_(new PImpl)
  {
    pimpl_->wildcard_ = wildcard;

    std::string re = Toolbox::WildcardToRegularExpression(wildcard);

    if (isCaseSensitive)
    {
      pimpl_->pattern_ = boost::regex(re);
    }
    else
    {
      pimpl_->pattern_ = boost::regex(re, boost::regex::icase /* case insensitive search */);
    }
  }

  bool WildcardConstraint::Match(const std::string& value) const
  {
    return boost::regex_match(value, pimpl_->pattern_);
  }

  void WildcardConstraint::Setup(LookupIdentifierQuery& lookup,
                                 const DicomTag& tag) const
  {
    lookup.AddConstraint(tag, IdentifierConstraintType_Wildcard, pimpl_->wildcard_);
  }

  std::string WildcardConstraint::Format() const
  {
    return pimpl_->wildcard_;
  }
}