/usr/include/rosbag/query.h is in librosbag-storage-dev 1.11.16-3.
This file is owned by root:root, with mode 0o644.
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#ifndef ROSBAG_QUERY_H
#define ROSBAG_QUERY_H
#include "ros/time.h"
#include <vector>
#include <map>
#include <set>
#include <boost/function.hpp>
#include "rosbag/macros.h"
#include "rosbag/structures.h"
namespace rosbag {
class Bag;
class ROSBAG_DECL Query
{
public:
//! The base query takes an optional time-range
/*!
* param start_time the beginning of the time_range for the query
* param end_time the end of the time_range for the query
*/
Query(boost::function<bool(ConnectionInfo const*)>& query,
ros::Time const& start_time = ros::TIME_MIN,
ros::Time const& end_time = ros::TIME_MAX);
boost::function<bool(ConnectionInfo const*)> const& getQuery() const; //!< Get the query functor
ros::Time const& getStartTime() const; //!< Get the start-time
ros::Time const& getEndTime() const; //!< Get the end-time
private:
boost::function<bool(ConnectionInfo const*)> query_;
ros::Time start_time_;
ros::Time end_time_;
};
class ROSBAG_DECL TopicQuery
{
public:
TopicQuery(std::string const& topic);
TopicQuery(std::vector<std::string> const& topics);
bool operator()(ConnectionInfo const*) const;
private:
std::vector<std::string> topics_;
};
class ROSBAG_DECL TypeQuery
{
public:
TypeQuery(std::string const& type);
TypeQuery(std::vector<std::string> const& types);
bool operator()(ConnectionInfo const*) const;
private:
std::vector<std::string> types_;
};
//! Pairs of queries and the bags they come from (used internally by View)
struct ROSBAG_DECL BagQuery
{
BagQuery(Bag const* _bag, Query const& _query, uint32_t _bag_revision);
Bag const* bag;
Query query;
uint32_t bag_revision;
};
struct ROSBAG_DECL MessageRange
{
MessageRange(std::multiset<IndexEntry>::const_iterator const& _begin,
std::multiset<IndexEntry>::const_iterator const& _end,
ConnectionInfo const* _connection_info,
BagQuery const* _bag_query);
std::multiset<IndexEntry>::const_iterator begin;
std::multiset<IndexEntry>::const_iterator end;
ConnectionInfo const* connection_info;
BagQuery const* bag_query; //!< pointer to vector of queries in View
};
//! The actual iterator data structure
struct ROSBAG_DECL ViewIterHelper
{
ViewIterHelper(std::multiset<IndexEntry>::const_iterator _iter, MessageRange const* _range);
std::multiset<IndexEntry>::const_iterator iter;
MessageRange const* range; //!< pointer to vector of ranges in View
};
struct ROSBAG_DECL ViewIterHelperCompare
{
bool operator()(ViewIterHelper const& a, ViewIterHelper const& b);
};
} // namespace rosbag
#endif
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