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livetrax/libs/surfaces/midi_surface/midi_byte_array.cc

114 lines
2.7 KiB
C++

/*
* Copyright (C) 2016 Paul Davis <paul@linuxaudiosystems.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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "midi_byte_array.h"
#include <iostream>
#include <string>
#include <sstream>
#include <vector>
#include <algorithm>
#include <cstdarg>
#include <iomanip>
#include <stdexcept>
MidiByteArray::MidiByteArray (size_t size, MIDI::byte array[])
: std::vector<MIDI::byte>()
{
for (size_t i = 0; i < size; ++i)
{
push_back (array[i]);
}
}
MidiByteArray::MidiByteArray (size_t count, MIDI::byte first, ...)
: vector<MIDI::byte>()
{
push_back (first);
va_list var_args;
va_start (var_args, first);
for (size_t i = 1; i < count; ++i)
{
MIDI::byte b = va_arg (var_args, int);
push_back (b);
}
va_end (var_args);
}
void MidiByteArray::copy (size_t count, MIDI::byte * arr)
{
for (size_t i = 0; i < count; ++i) {
push_back (arr[i]);
}
}
MidiByteArray & operator << (MidiByteArray & mba, const MIDI::byte & b)
{
mba.push_back (b);
return mba;
}
MidiByteArray & operator << (MidiByteArray & mba, const MidiByteArray & barr)
{
std::back_insert_iterator<MidiByteArray> bit (mba);
copy (barr.begin(), barr.end(), bit);
return mba;
}
std::ostream & operator << (std::ostream & os, const MidiByteArray & mba)
{
os << "[";
char fill = os.fill('0');
for (MidiByteArray::const_iterator it = mba.begin(); it != mba.end(); ++it) {
if (it != mba.begin()) os << " ";
os << std::hex << std::setw(2) << (int)*it;
}
os.fill (fill);
os << std::dec;
os << "]";
return os;
}
MidiByteArray & operator << (MidiByteArray & mba, const std::string & st)
{
/* note that this assumes that "st" is ASCII encoded
*/
mba.insert (mba.end(), st.begin(), st.end());
return mba;
}
bool
MidiByteArray::compare_n (const MidiByteArray& other, MidiByteArray::size_type n) const
{
MidiByteArray::const_iterator us = begin();
MidiByteArray::const_iterator them = other.begin();
while (n && us != end() && them != other.end()) {
if ((*us) != (*them)) {
return false;
}
--n;
++us;
++them;
}
return true;
}