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DSView/DSView/pv/data/decode/rowdata.cpp
2016-06-08 12:18:50 +08:00

105 lines
2.5 KiB
C++

/*
* This file is part of the PulseView project.
*
* Copyright (C) 2014 Joel Holdsworth <joel@airwebreathe.org.uk>
* Copyright (C) 2016 DreamSourceLab <support@dreamsourcelab.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <math.h>
#include "rowdata.h"
using std::max;
using std::min;
using std::vector;
namespace pv {
namespace data {
namespace decode {
RowData::RowData() :
_max_annotation(0),
_min_annotation(UINT64_MAX)
{
}
RowData::~RowData()
{
_annotations.clear();
}
uint64_t RowData::get_max_sample() const
{
if (_annotations.empty())
return 0;
return _annotations.back().end_sample();
}
uint64_t RowData::get_max_annotation() const
{
return _max_annotation;
}
uint64_t RowData::get_min_annotation() const
{
return _min_annotation;
}
void RowData::get_annotation_subset(
vector<pv::data::decode::Annotation> &dest,
uint64_t start_sample, uint64_t end_sample) const
{
for (vector<Annotation>::const_iterator i = _annotations.begin();
i != _annotations.end(); i++)
if ((*i).end_sample() > start_sample &&
(*i).start_sample() <= end_sample)
dest.push_back(*i);
}
bool RowData::push_annotation(const Annotation &a)
{
try {
_annotations.push_back(a);
_max_annotation = max(_max_annotation, a.end_sample() - a.start_sample());
if (a.end_sample() != a.start_sample())
_min_annotation = min(_min_annotation, a.end_sample() - a.start_sample());
return true;
} catch (const std::bad_alloc&) {
return false;
}
}
uint64_t RowData::get_annotation_size() const
{
return _annotations.size();
}
bool RowData::get_annotation(Annotation &ann,
uint64_t index) const
{
if (index < _annotations.size()) {
ann = _annotations[index];
return true;
} else {
return false;
}
}
} // decode
} // data
} // pv