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tag_gate.h
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/* -*- c++ -*- */
/*
* Copyright 2013 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#ifndef INCLUDED_BLOCKS_TAG_GATE_H
#define INCLUDED_BLOCKS_TAG_GATE_H
#include <gnuradio/blocks/api.h>
#include <gnuradio/sync_block.h>
namespace gr {
namespace blocks {
/*!
* \brief Control tag propagation.
* \ingroup blocks
*
* Use this block to stop tags from propagating.
*/
class BLOCKS_API tag_gate : virtual public gr::sync_block
{
public:
typedef std::shared_ptr<tag_gate> sptr;
virtual void set_propagation(bool propagate_tags) = 0;
/*!
* \param item_size Item size
* \param propagate_tags Set this to true to allow tags to pass through this block.
*/
static sptr make(size_t item_size, bool propagate_tags = false);
/*!
* \brief Only gate stream tags with one specific key instead of all keys
*
* \details
* If set to "", all tags will be affected by the gate.
* If set to "foo", all tags with key different from "foo" will pass
* through.
*/
virtual void set_single_key(const std::string& single_key) = 0;
/*!
* \brief Get the current single key.
*/
virtual std::string single_key() const = 0;
};
} // namespace blocks
} // namespace gr
#endif /* INCLUDED_BLOCKS_TAG_GATE_H */
gr::blocks::tag_gate
Control tag propagation.
Definition tag_gate.h:27
gr::blocks::tag_gate::sptr
std::shared_ptr< tag_gate > sptr
Definition tag_gate.h:29
gr::blocks::tag_gate::set_propagation
virtual void set_propagation(bool propagate_tags)=0
gr::blocks::tag_gate::make
static sptr make(size_t item_size, bool propagate_tags=false)
gr::blocks::tag_gate::single_key
virtual std::string single_key() const =0
Get the current single key.
gr::blocks::tag_gate::set_single_key
virtual void set_single_key(const std::string &single_key)=0
Only gate stream tags with one specific key instead of all keys.
gr::sync_block
synchronous 1:1 input to output with history
Definition sync_block.h:26
api.h
BLOCKS_API
#define BLOCKS_API
Definition gr-blocks/include/gnuradio/blocks/api.h:18
gr
GNU Radio logging wrapper.
Definition basic_block.h:29
sync_block.h