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livetrax/libs/pbd/controllable_descriptor.cc

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/*
Copyright (C) 2009 Paul Davis
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "pbd/controllable_descriptor.h"
#include "pbd/strsplit.h"
#include "pbd/convert.h"
using namespace std;
using namespace PBD;
int
ControllableDescriptor::set (const std::string& str)
{
string::size_type first_space = str.find_first_of (" ");
if (first_space == string::npos) {
return -1;
}
string front = str.substr (0, first_space);
string back = str.substr (first_space);
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vector<string> path;
split (front, path, '/');
if (path.size() < 2) {
return -1;
}
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vector<string> rest;
split (back, rest, ' ');
if (rest.size() < 1) {
return -1;
}
if (path[0] == "route" || path[0] == "rid") {
_top_level_type = RemoteControlID;
if (rest[0][0] == 'B') {
_banked = true;
_rid = atoi (rest[0].substr (1));
} else if (isdigit (rest[0][0])) {
_banked = false;
_rid = atoi (rest[0]);
} else {
return -1;
}
} else if (path[0] == "bus" || path[0] == "track") {
_top_level_type = NamedRoute;
_top_level_name = rest[0];
}
if (path[1] == "gain") {
_subtype = Gain;
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} else if (path[1] == "trim") {
_subtype = Trim;
} else if (path[1] == "solo") {
_subtype = Solo;
} else if (path[1] == "mute") {
_subtype = Mute;
} else if (path[1] == "recenable") {
_subtype = Recenable;
} else if (path[1] == "balance") {
_subtype = Balance;
} else if (path[1] == "panwidth") {
_subtype = PanWidth;
} else if (path[1] == "pandirection") {
_subtype = PanDirection;
} else if (path[1] == "plugin") {
if (path.size() == 3 && rest.size() == 3) {
if (path[2] == "parameter") {
_subtype = PluginParameter;
_target.push_back (atoi (rest[1]));
_target.push_back (atoi (rest[2]));
} else {
return -1;
}
} else {
return -1;
}
} else if (path[1] == "send") {
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if (path.size() == 3 && rest.size() == 2) {
if (path[2] == "gain") {
_subtype = SendGain;
_target.push_back (atoi (rest[1]));
} else {
return -1;
}
} else {
return -1;
}
}
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return 0;
}
uint32_t
ControllableDescriptor::rid() const
{
if (banked()) {
return _rid + _bank_offset;
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}
return _rid;
}
uint32_t
ControllableDescriptor::target (uint32_t n) const
{
if (n < _target.size()) {
return _target[n];
}
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return 0;
}