fd6408e6ba
git-svn-id: svn://localhost/ardour2/trunk@1882 d708f5d6-7413-0410-9779-e7cbd77b26cf
283 lines
5.5 KiB
C++
283 lines
5.5 KiB
C++
/*
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Copyright (C) 2002 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <algorithm>
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#include <pbd/failed_constructor.h>
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#include <ardour/ardour.h>
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#include <ardour/bundle.h>
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#include <pbd/xml++.h>
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#include "i18n.h"
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using namespace ARDOUR;
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using namespace PBD;
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/** Construct a Bundle from an XML node.
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* @param node XML node.
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*/
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Bundle::Bundle (const XMLNode& node)
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{
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if (set_state (node)) {
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throw failed_constructor();
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}
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}
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/** Construct an InputBundle from an XML node.
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* @param node XML node.
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*/
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InputBundle::InputBundle (const XMLNode& node)
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: Bundle (node)
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{
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}
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/** Construct an OutputBundle from an XML node.
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* @param node XML node.
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*/
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OutputBundle::OutputBundle (const XMLNode& node)
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: Bundle (node)
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{
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}
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/** Set the name.
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* @param name New name.
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*/
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void
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Bundle::set_name (string name, void *src)
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{
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_name = name;
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NameChanged (src);
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}
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/** Add an association between one of our channels and a JACK port.
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* @param ch Channel index.
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* @param portname JACK port name to associate with.
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*/
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void
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Bundle::add_port_to_channel (int ch, string portname)
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{
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{
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Glib::Mutex::Lock lm (channels_lock);
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_channels[ch].push_back (portname);
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}
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PortsChanged (ch); /* EMIT SIGNAL */
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}
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/** Disassociate a JACK port from one of our channels.
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* @param ch Channel index.
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* @param portname JACK port name to disassociate from.
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*/
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void
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Bundle::remove_port_from_channel (int ch, string portname)
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{
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bool changed = false;
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{
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Glib::Mutex::Lock lm (channels_lock);
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PortList& pl = _channels[ch];
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PortList::iterator i = find (pl.begin(), pl.end(), portname);
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if (i != pl.end()) {
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pl.erase (i);
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changed = true;
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}
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}
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if (changed) {
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PortsChanged (ch); /* EMIT SIGNAL */
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}
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}
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/**
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* @param ch Channel index.
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* @return List of JACK ports that this channel is connected to.
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*/
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const Bundle::PortList&
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Bundle::channel_ports (int ch) const
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{
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Glib::Mutex::Lock lm (channels_lock);
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return _channels[ch];
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}
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/** operator== for Bundles; they are equal if their channels are the same.
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* @param other Bundle to compare with this one.
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*/
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bool
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Bundle::operator== (const Bundle& other) const
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{
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return other._channels == _channels;
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}
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/** Set the number of channels.
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* @param n New number of channels.
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*/
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void
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Bundle::set_nchannels (int n)
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{
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{
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Glib::Mutex::Lock lm (channels_lock);
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_channels.clear ();
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for (int i = 0; i < n; ++i) {
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_channels.push_back (PortList());
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}
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}
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ConfigurationChanged (); /* EMIT SIGNAL */
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}
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XMLNode&
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Bundle::get_state ()
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{
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XMLNode *node;
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string str;
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if (dynamic_cast<InputBundle *> (this)) {
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node = new XMLNode ("InputConnection");
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} else {
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node = new XMLNode ("OutputConnection");
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}
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node->add_property ("name", _name);
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for (vector<PortList>::iterator i = _channels.begin(); i != _channels.end(); ++i) {
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str += '{';
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for (vector<string>::iterator ii = (*i).begin(); ii != (*i).end(); ++ii) {
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if (ii != (*i).begin()) {
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str += ',';
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}
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str += *ii;
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}
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str += '}';
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}
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node->add_property ("connections", str);
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return *node;
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}
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int
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Bundle::set_state (const XMLNode& node)
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{
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const XMLProperty *prop;
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if ((prop = node.property ("name")) == 0) {
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error << _("Node for Connection has no \"name\" property") << endmsg;
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return -1;
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}
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_name = prop->value();
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_dynamic = false;
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if ((prop = node.property ("connections")) == 0) {
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error << _("Node for Connection has no \"connections\" property") << endmsg;
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return -1;
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}
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set_channels (prop->value());
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return 0;
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}
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/** Set up channels from an XML property string.
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* @param str String.
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* @return 0 on success, -1 on error.
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*/
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int
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Bundle::set_channels (const string& str)
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{
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vector<string> ports;
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int i;
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int n;
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int nchannels;
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if ((nchannels = count (str.begin(), str.end(), '{')) == 0) {
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return 0;
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}
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set_nchannels (nchannels);
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string::size_type start, end, ostart;
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ostart = 0;
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start = 0;
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end = 0;
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i = 0;
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while ((start = str.find_first_of ('{', ostart)) != string::npos) {
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start += 1;
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if ((end = str.find_first_of ('}', start)) == string::npos) {
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error << string_compose(_("IO: badly formed string in XML node for inputs \"%1\""), str) << endmsg;
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return -1;
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}
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if ((n = parse_io_string (str.substr (start, end - start), ports)) < 0) {
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error << string_compose(_("bad input string in XML node \"%1\""), str) << endmsg;
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return -1;
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} else if (n > 0) {
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for (int x = 0; x < n; ++x) {
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add_port_to_channel (i, ports[x]);
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}
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}
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ostart = end+1;
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i++;
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}
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return 0;
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}
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int
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Bundle::parse_io_string (const string& str, vector<string>& ports)
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{
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string::size_type pos, opos;
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if (str.length() == 0) {
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return 0;
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}
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pos = 0;
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opos = 0;
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ports.clear ();
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while ((pos = str.find_first_of (',', opos)) != string::npos) {
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ports.push_back (str.substr (opos, pos - opos));
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opos = pos + 1;
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}
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if (opos < str.length()) {
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ports.push_back (str.substr(opos));
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}
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return ports.size();
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}
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