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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* instrumentparser.cc
*
* Wed Mar 9 13:22:24 CET 2011
* Copyright 2011 Bent Bisballe Nyeng
* deva@aasimon.org
****************************************************************************/
/*
* This file is part of DrumGizmo.
*
* DrumGizmo is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* DrumGizmo 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with DrumGizmo; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include "instrumentparser.h"
#include <string.h>
#include <stdio.h>
#include <hugin.hpp>
#include "path.h"
#include "nolocale.h"
InstrumentParser::InstrumentParser(Instrument& i)
: instrument(i)
{
}
int InstrumentParser::parseFile(const std::string& filename)
{
path = getPath(filename);
return SAXParser::parseFile(filename);
}
void InstrumentParser::startTag(const std::string& name, const attr_t& attr)
{
if(name == "instrument")
{
if(attr.find("name") != attr.end())
{
instrument._name = attr.at("name");
}
if(attr.find("description") != attr.end())
{
instrument._description = attr.at("description");
}
if(attr.find("version") != attr.end())
{
try {
instrument.version = VersionStr(attr.at("version"));
}
catch(const char *err)
{
ERR(instrparser, "Error parsing version number: %s, using 1.0\n", err);
instrument.version = VersionStr(1,0,0);
}
}
else
{
WARN(instrparser, "Missing version number, assuming 1.0\n");
instrument.version = VersionStr(1,0,0);
}
}
if(name == "samples")
{
}
if(name == "sample")
{
if(attr.find("name") == attr.end())
{
ERR(instrparser,"Missing required attribute 'name'.\n");
return;
}
float power;
if(attr.find("power") == attr.end())
{
power = -1;
}
else
{
power = atof_nol(attr.at("power").c_str());
DEBUG(instrparser, "Instrument power set to %f\n", power);
}
// TODO get rid of new or delete it properly
s = new Sample(attr.at("name"), power);
}
if(name == "audiofile")
{
if(s == nullptr)
{
ERR(instrparser,"Missing Sample!\n");
return;
}
if(attr.find("file") == attr.end())
{
ERR(instrparser,"Missing required attribute 'file'.\n");
return;
}
if(attr.find("channel") == attr.end())
{
ERR(instrparser,"Missing required attribute 'channel'.\n");
return;
}
int filechannel = 1; // default, override with optional attribute
if(attr.find("filechannel") != attr.end())
{
filechannel = std::stoi(attr.at("filechannel"));
if(filechannel < 1)
{
ERR(instrparser,"Invalid value for attribute 'filechannel'.\n");
filechannel = 1;
}
}
filechannel = filechannel - 1; // 1-based in file, but zero-based internally
// TODO do those next two lines correspond with proper deletes? If not fix it.
AudioFile *af = new AudioFile(path + "/" + attr.at("file"), filechannel);
InstrumentChannel *ch = new InstrumentChannel(attr.at("channel"));
channellist.push_back(ch);
s->addAudioFile(ch, af);
instrument.audiofiles.push_back(af);
}
if(name == "velocities")
{
}
if(name == "velocity")
{
if(attr.find("lower") == attr.end())
{
ERR(instrparser,"Missing required attribute 'lower'.\n");
return;
}
if(attr.find("upper") == attr.end())
{
ERR(instrparser,"Missing required attribute 'upper'.\n");
return;
}
lower = atof_nol(attr.at("lower").c_str());
upper = atof_nol(attr.at("upper").c_str());
}
if(name == "sampleref")
{
if(attr.find("name") == attr.end())
{
ERR(instrparser,"Missing required attribute 'name'.\n");
return;
}
Sample* sample = nullptr;
std::vector<Sample *>::iterator i = instrument.samplelist.begin();
while(i != instrument.samplelist.end())
{
if((*i)->name == attr.at("name"))
{
sample = *i;
break;
}
i++;
}
if(sample == nullptr)
{
ERR(instrparser,"Samplref pointed at non-existing sample.\n");
return;
}
if(instrument.version == VersionStr("1.0"))
{
// Old "velocity group" algorithm needs this
instrument.addSample(lower, upper, sample);
}
}
}
void InstrumentParser::endTag(const std::string& name)
{
if(name == "sample")
{
if(s == nullptr)
{
ERR(instrparser,"Missing Sample.\n");
return;
}
instrument.samplelist.push_back(s);
s = nullptr;
}
if(name == "instrument") {
instrument.finalise();
}
}
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