mirror of https://github.com/tstack/lnav
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
79 lines
2.9 KiB
C++
79 lines
2.9 KiB
C++
/**
|
|
* Copyright (c) 2015, Timothy Stack
|
|
*
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* * Redistributions of source code must retain the above copyright notice, this
|
|
* list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
* * Neither the name of Timothy Stack nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY
|
|
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
|
|
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
|
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef filter_observer_hh
|
|
#define filter_observer_hh
|
|
|
|
#include <sys/types.h>
|
|
|
|
#include "logfile.hh"
|
|
#include "textview_curses.hh"
|
|
|
|
class line_filter_observer : public logline_observer {
|
|
public:
|
|
line_filter_observer(filter_stack& fs, std::shared_ptr<logfile> lf)
|
|
: lfo_filter_stack(fs), lfo_filter_state(lf)
|
|
{
|
|
}
|
|
|
|
void logline_restart(const logfile& lf, file_size_t rollback_size) override
|
|
{
|
|
for (auto& filter : this->lfo_filter_stack) {
|
|
filter->revert_to_last(this->lfo_filter_state, rollback_size);
|
|
}
|
|
}
|
|
|
|
void logline_new_lines(const logfile& lf,
|
|
logfile::const_iterator ll_baegin,
|
|
logfile::const_iterator ll_end,
|
|
const shared_buffer_ref& sbr) override;
|
|
|
|
void logline_eof(const logfile& lf) override;
|
|
|
|
bool excluded(uint32_t filter_in_mask,
|
|
uint32_t filter_out_mask,
|
|
size_t offset) const
|
|
{
|
|
bool filtered_in = (filter_in_mask == 0)
|
|
|| (this->lfo_filter_state.tfs_mask[offset] & filter_in_mask) != 0;
|
|
bool filtered_out
|
|
= (this->lfo_filter_state.tfs_mask[offset] & filter_out_mask) != 0;
|
|
return !filtered_in || filtered_out;
|
|
}
|
|
|
|
size_t get_min_count(size_t max) const;
|
|
|
|
void clear_deleted_filter_state();
|
|
|
|
filter_stack& lfo_filter_stack;
|
|
logfile_filter_state lfo_filter_state;
|
|
};
|
|
|
|
#endif
|