/**
 * Copyright 2017 (c) 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/db/matcher/schema/expression_internal_schema_str_length.h"

#include "mongo/bson/bsontypes.h"

namespace mongo {

void InternalSchemaStrLengthMatchExpression::debugString(StringBuilder& debug, int level) const {
    _debugAddSpace(debug, level);
    debug << path() << " " << _name << " " << _strLen << "\n";

    MatchExpression::TagData* td = getTag();
    if (nullptr != td) {
        debug << " ";
        td->debugString(&debug);
    }
    debug << "\n";
}

void InternalSchemaStrLengthMatchExpression::serialize(BSONObjBuilder* out) const {
    BSONObjBuilder subBob(out->subobjStart(path()));
    subBob.append(_name, _strLen);
    subBob.doneFast();
}

bool InternalSchemaStrLengthMatchExpression::equivalent(const MatchExpression* other) const {
    if (matchType() != other->matchType())
        return false;

    const InternalSchemaStrLengthMatchExpression* realOther =
        static_cast<const InternalSchemaStrLengthMatchExpression*>(other);

    return path() == realOther->path() && _strLen == realOther->_strLen;
}

}  // namespace mongo
