// matcher.cpp

/**
*    Copyright (C) 2013 10gen Inc.
*
*    This program is free software: you can redistribute it and/or  modify
*    it under the terms of the GNU Affero General Public License, version 3,
*    as published by the Free Software Foundation.
*
*    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 Affero General Public License for more details.
*
*    You should have received a copy of the GNU Affero General Public License
*    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*
*    As a special exception, the copyright holders give permission to link the
*    code of portions of this program with the OpenSSL library under certain
*    conditions as described in each individual source file and distribute
*    linked combinations including the program with the OpenSSL library. You
*    must comply with the GNU Affero General Public License in all respects for
*    all of the code used other than as permitted herein. 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 in the license file.
*/

#include "mongo/platform/basic.h"

#include "mongo/base/init.h"
#include "mongo/db/exec/working_set.h"
#include "mongo/db/jsobj.h"
#include "mongo/db/matcher/expression_parser.h"
#include "mongo/db/matcher/matcher.h"
#include "mongo/db/matcher/path.h"
#include "mongo/util/mongoutils/str.h"
#include "mongo/util/stacktrace.h"

namespace mongo {

Matcher::Matcher(const BSONObj& pattern,
                 const boost::intrusive_ptr<ExpressionContext>& expCtx,
                 const ExtensionsCallback& extensionsCallback,
                 const MatchExpressionParser::AllowedFeatureSet allowedFeatures)
    : _pattern(pattern) {
    StatusWithMatchExpression statusWithMatcher =
        MatchExpressionParser::parse(pattern, expCtx, extensionsCallback, allowedFeatures);
    uassert(16810,
            mongoutils::str::stream() << "bad query: " << statusWithMatcher.getStatus().toString(),
            statusWithMatcher.isOK());

    _expression = std::move(statusWithMatcher.getValue());
}

bool Matcher::matches(const BSONObj& doc, MatchDetails* details) const {
    if (!_expression)
        return true;

    return _expression->matchesBSON(doc, details);
}

}  // namespace mongo