Chris@45: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@45: 
Chris@45: /*
Chris@45:     Sonic Visualiser
Chris@45:     An audio file viewer and annotation editor.
Chris@45:     Centre for Digital Music, Queen Mary, University of London.
Chris@45:     This file copyright 2006 Chris Cannam and QMUL.
Chris@45:     
Chris@45:     This program is free software; you can redistribute it and/or
Chris@45:     modify it under the terms of the GNU General Public License as
Chris@45:     published by the Free Software Foundation; either version 2 of the
Chris@45:     License, or (at your option) any later version.  See the file
Chris@45:     COPYING included with this distribution for more information.
Chris@45: */
Chris@45: 
Chris@45: #include "SVFileReader.h"
Chris@45: 
Chris@45: #include "layer/Layer.h"
Chris@45: #include "view/View.h"
Chris@45: #include "base/PlayParameters.h"
Chris@45: #include "base/PlayParameterRepository.h"
Chris@116: #include "base/Preferences.h"
Chris@45: 
Chris@45: #include "data/fileio/AudioFileReaderFactory.h"
Chris@45: #include "data/fileio/FileSource.h"
Chris@45: 
Chris@109: #include "widgets/FileFinder.h"
Chris@109: 
Chris@45: #include "data/model/WaveFileModel.h"
Chris@45: #include "data/model/EditableDenseThreeDimensionalModel.h"
Chris@45: #include "data/model/SparseOneDimensionalModel.h"
Chris@45: #include "data/model/SparseTimeValueModel.h"
Chris@45: #include "data/model/NoteModel.h"
Chris@137: #include "data/model/RegionModel.h"
Chris@45: #include "data/model/TextModel.h"
Chris@45: #include "data/model/ImageModel.h"
Chris@111: #include "data/model/AlignmentModel.h"
Chris@45: 
Chris@106: #include "transform/TransformFactory.h"
Chris@72: 
Chris@45: #include "view/Pane.h"
Chris@45: 
Chris@109: #include "widgets/ProgressDialog.h"
Chris@109: 
Chris@45: #include "Document.h"
Chris@45: 
Chris@45: #include <QString>
Chris@45: #include <QMessageBox>
Chris@45: #include <QFileDialog>
Chris@45: 
Chris@45: #include <iostream>
Chris@45: 
Chris@45: SVFileReader::SVFileReader(Document *document,
Chris@45: 			   SVFileReaderPaneCallback &callback,
Chris@45:                            QString location) :
Chris@45:     m_document(document),
Chris@45:     m_paneCallback(callback),
Chris@45:     m_location(location),
Chris@45:     m_currentPane(0),
Chris@45:     m_currentDataset(0),
Chris@45:     m_currentDerivedModel(0),
Chris@45:     m_currentDerivedModelId(-1),
Chris@45:     m_currentPlayParameters(0),
Chris@72:     m_currentTransformSource(0),
Chris@45:     m_datasetSeparator(" "),
Chris@45:     m_inRow(false),
Chris@45:     m_inLayer(false),
Chris@45:     m_inView(false),
Chris@45:     m_rowNumber(0),
Chris@45:     m_ok(false)
Chris@45: {
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: SVFileReader::parse(const QString &xmlData)
Chris@45: {
Chris@45:     QXmlInputSource inputSource;
Chris@45:     inputSource.setData(xmlData);
Chris@45:     parse(inputSource);
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: SVFileReader::parse(QXmlInputSource &inputSource)
Chris@45: {
Chris@45:     QXmlSimpleReader reader;
Chris@45:     reader.setContentHandler(this);
Chris@45:     reader.setErrorHandler(this);
Chris@45:     m_ok = reader.parse(inputSource);
Chris@45: }    
Chris@45: 
Chris@45: bool
Chris@45: SVFileReader::isOK()
Chris@45: {
Chris@45:     return m_ok;
Chris@45: }
Chris@45: 	
Chris@45: SVFileReader::~SVFileReader()
Chris@45: {
Chris@45:     if (!m_awaitingDatasets.empty()) {
Chris@45: 	std::cerr << "WARNING: SV-XML: File ended with "
Chris@45: 		  << m_awaitingDatasets.size() << " unfilled model dataset(s)"
Chris@45: 		  << std::endl;
Chris@45:     }
Chris@45: 
Chris@45:     std::set<Model *> unaddedModels;
Chris@45: 
Chris@45:     for (std::map<int, Model *>::iterator i = m_models.begin();
Chris@45: 	 i != m_models.end(); ++i) {
Chris@45: 	if (m_addedModels.find(i->second) == m_addedModels.end()) {
Chris@45: 	    unaddedModels.insert(i->second);
Chris@45: 	}
Chris@45:     }
Chris@45: 
Chris@45:     if (!unaddedModels.empty()) {
Chris@45: 	std::cerr << "WARNING: SV-XML: File contained "
Chris@45: 		  << unaddedModels.size() << " unused models"
Chris@45: 		  << std::endl;
Chris@45: 	while (!unaddedModels.empty()) {
Chris@45: 	    delete *unaddedModels.begin();
Chris@45: 	    unaddedModels.erase(unaddedModels.begin());
Chris@45: 	}
Chris@45:     }	
Chris@45: }
Chris@45: 
Chris@45: bool
Chris@45: SVFileReader::startElement(const QString &, const QString &,
Chris@45: 			   const QString &qName,
Chris@45: 			   const QXmlAttributes &attributes)
Chris@45: {
Chris@45:     QString name = qName.toLower();
Chris@45: 
Chris@45:     bool ok = false;
Chris@45: 
Chris@45:     // Valid element names:
Chris@45:     //
Chris@45:     // sv
Chris@45:     // data
Chris@45:     // dataset
Chris@45:     // display
Chris@45:     // derivation
Chris@45:     // playparameters
Chris@45:     // layer
Chris@45:     // model
Chris@45:     // point
Chris@45:     // row
Chris@45:     // view
Chris@45:     // window
Chris@72:     // plugin
Chris@72:     // transform
Chris@72:     // selections
Chris@72:     // selection
Chris@72:     // measurement
Chris@45: 
Chris@45:     if (name == "sv") {
Chris@45: 
Chris@45: 	// nothing needed
Chris@45: 	ok = true;
Chris@45: 
Chris@45:     } else if (name == "data") {
Chris@45: 
Chris@45: 	// nothing needed
Chris@45: 	m_inData = true;
Chris@45: 	ok = true;
Chris@45: 
Chris@45:     } else if (name == "display") {
Chris@45: 
Chris@45: 	// nothing needed
Chris@45: 	ok = true;
Chris@45: 
Chris@45:     } else if (name == "window") {
Chris@45: 
Chris@45: 	ok = readWindow(attributes);
Chris@45: 
Chris@45:     } else if (name == "model") {
Chris@45: 
Chris@45: 	ok = readModel(attributes);
Chris@45:     
Chris@45:     } else if (name == "dataset") {
Chris@45: 	
Chris@45: 	ok = readDatasetStart(attributes);
Chris@45: 
Chris@45:     } else if (name == "bin") {
Chris@45: 	
Chris@45: 	ok = addBinToDataset(attributes);
Chris@45:     
Chris@45:     } else if (name == "point") {
Chris@45: 	
Chris@45: 	ok = addPointToDataset(attributes);
Chris@45: 
Chris@45:     } else if (name == "row") {
Chris@45: 
Chris@45: 	ok = addRowToDataset(attributes);
Chris@45: 
Chris@45:     } else if (name == "layer") {
Chris@45: 
Chris@45:         addUnaddedModels(); // all models must be specified before first layer
Chris@45: 	ok = readLayer(attributes);
Chris@45: 
Chris@45:     } else if (name == "view") {
Chris@45: 
Chris@45: 	m_inView = true;
Chris@45: 	ok = readView(attributes);
Chris@45: 
Chris@45:     } else if (name == "derivation") {
Chris@45: 
Chris@45: 	ok = readDerivation(attributes);
Chris@45: 
Chris@45:     } else if (name == "playparameters") {
Chris@45:         
Chris@45:         ok = readPlayParameters(attributes);
Chris@45: 
Chris@45:     } else if (name == "plugin") {
Chris@45: 
Chris@45: 	ok = readPlugin(attributes);
Chris@45: 
Chris@45:     } else if (name == "selections") {
Chris@45: 
Chris@45: 	m_inSelections = true;
Chris@45: 	ok = true;
Chris@45: 
Chris@45:     } else if (name == "selection") {
Chris@45: 
Chris@45: 	ok = readSelection(attributes);
Chris@45: 
Chris@45:     } else if (name == "measurement") {
Chris@45: 
Chris@45:         ok = readMeasurement(attributes);
Chris@45: 
Chris@72:     } else if (name == "transform") {
Chris@72:         
Chris@72:         ok = readTransform(attributes);
Chris@72: 
Chris@72:     } else if (name == "parameter") {
Chris@72: 
Chris@72:         ok = readParameter(attributes);
Chris@72: 
Chris@45:     } else {
Chris@45:         std::cerr << "WARNING: SV-XML: Unexpected element \""
Chris@45:                   << name.toLocal8Bit().data() << "\"" << std::endl;
Chris@45:     }
Chris@45: 
Chris@45:     if (!ok) {
Chris@45: 	std::cerr << "WARNING: SV-XML: Failed to completely process element \""
Chris@45: 		  << name.toLocal8Bit().data() << "\"" << std::endl;
Chris@45:     }
Chris@45: 
Chris@45:     return true;
Chris@45: }
Chris@45: 
Chris@45: bool
Chris@45: SVFileReader::characters(const QString &text)
Chris@45: {
Chris@45:     bool ok = false;
Chris@45: 
Chris@45:     if (m_inRow) {
Chris@45: 	ok = readRowData(text);
Chris@45: 	if (!ok) {
Chris@45: 	    std::cerr << "WARNING: SV-XML: Failed to read row data content for row " << m_rowNumber << std::endl;
Chris@45: 	}
Chris@45:     }
Chris@45: 
Chris@45:     return true;
Chris@45: }
Chris@45: 
Chris@45: bool
Chris@45: SVFileReader::endElement(const QString &, const QString &,
Chris@45: 			 const QString &qName)
Chris@45: {
Chris@45:     QString name = qName.toLower();
Chris@45: 
Chris@45:     if (name == "dataset") {
Chris@45: 
Chris@45: 	if (m_currentDataset) {
Chris@45: 	    
Chris@45: 	    bool foundInAwaiting = false;
Chris@45: 
Chris@45: 	    for (std::map<int, int>::iterator i = m_awaitingDatasets.begin();
Chris@45: 		 i != m_awaitingDatasets.end(); ++i) {
Chris@45: 		if (haveModel(i->second) &&
Chris@45:                     m_models[i->second] == m_currentDataset) {
Chris@45: 		    m_awaitingDatasets.erase(i);
Chris@45: 		    foundInAwaiting = true;
Chris@45: 		    break;
Chris@45: 		}
Chris@45: 	    }
Chris@45: 
Chris@45: 	    if (!foundInAwaiting) {
Chris@45: 		std::cerr << "WARNING: SV-XML: Dataset precedes model, or no model uses dataset" << std::endl;
Chris@45: 	    }
Chris@45: 	}
Chris@45: 
Chris@45: 	m_currentDataset = 0;
Chris@45: 
Chris@45:     } else if (name == "data") {
Chris@45: 
Chris@45:         addUnaddedModels();
Chris@45: 	m_inData = false;
Chris@45: 
Chris@45:     } else if (name == "derivation") {
Chris@45: 
Chris@45:         if (!m_currentDerivedModel) {
Chris@45:             if (m_currentDerivedModel < 0) {
Chris@45:                 std::cerr << "WARNING: SV-XML: Bad derivation output model id "
Chris@45:                           << m_currentDerivedModelId << std::endl;
Chris@45:             } else if (haveModel(m_currentDerivedModelId)) {
Chris@45:                 std::cerr << "WARNING: SV-XML: Derivation has existing model "
Chris@45:                           << m_currentDerivedModelId
Chris@45:                           << " as target, not regenerating" << std::endl;
Chris@45:             } else {
Chris@78:                 QString message;
Chris@45:                 m_currentDerivedModel = m_models[m_currentDerivedModelId] =
Chris@72:                     m_document->addDerivedModel
Chris@72:                     (m_currentTransform,
Chris@72:                      ModelTransformer::Input(m_currentTransformSource,
Chris@78:                                              m_currentTransformChannel),
Chris@78:                      message);
Chris@79:                 if (!m_currentDerivedModel) {
Chris@79:                     emit modelRegenerationFailed(tr("(derived model in SV-XML)"),
Chris@79:                                                  m_currentTransform.getIdentifier(),
Chris@79:                                                  message);
Chris@79:                 } else if (message != "") {
Chris@79:                     emit modelRegenerationWarning(tr("(derived model in SV-XML)"),
Chris@79:                                                   m_currentTransform.getIdentifier(),
Chris@79:                                                   message);
Chris@79:                 }                    
Chris@45:             }
Chris@45:         } else {
Chris@72:             m_document->addDerivedModel
Chris@72:                 (m_currentTransform,
Chris@72:                  ModelTransformer::Input(m_currentTransformSource,
Chris@72:                                          m_currentTransformChannel),
Chris@72:                  m_currentDerivedModel);
Chris@45:         }
Chris@45: 
Chris@45:         m_addedModels.insert(m_currentDerivedModel);
Chris@45:         m_currentDerivedModel = 0;
Chris@45:         m_currentDerivedModelId = -1;
Chris@72:         m_currentTransformSource = 0;
Chris@72:         m_currentTransform = Transform();
Chris@72:         m_currentTransformChannel = -1;
Chris@45: 
Chris@45:     } else if (name == "row") {
Chris@45: 	m_inRow = false;
Chris@45:     } else if (name == "layer") {
Chris@45:         m_inLayer = false;
Chris@45:     } else if (name == "view") {
Chris@45: 	m_inView = false;
Chris@45:     } else if (name == "selections") {
Chris@45: 	m_inSelections = false;
Chris@45:     } else if (name == "playparameters") {
Chris@45:         m_currentPlayParameters = 0;
Chris@45:     }
Chris@45: 
Chris@45:     return true;
Chris@45: }
Chris@45: 
Chris@45: bool
Chris@45: SVFileReader::error(const QXmlParseException &exception)
Chris@45: {
Chris@45:     m_errorString =
Chris@45: 	QString("ERROR: SV-XML: %1 at line %2, column %3")
Chris@45: 	.arg(exception.message())
Chris@45: 	.arg(exception.lineNumber())
Chris@45: 	.arg(exception.columnNumber());
Chris@45:     std::cerr << m_errorString.toLocal8Bit().data() << std::endl;
Chris@45:     return QXmlDefaultHandler::error(exception);
Chris@45: }
Chris@45: 
Chris@45: bool
Chris@45: SVFileReader::fatalError(const QXmlParseException &exception)
Chris@45: {
Chris@45:     m_errorString =
Chris@45: 	QString("FATAL ERROR: SV-XML: %1 at line %2, column %3")
Chris@45: 	.arg(exception.message())
Chris@45: 	.arg(exception.lineNumber())
Chris@45: 	.arg(exception.columnNumber());
Chris@45:     std::cerr << m_errorString.toLocal8Bit().data() << std::endl;
Chris@45:     return QXmlDefaultHandler::fatalError(exception);
Chris@45: }
Chris@45: 
Chris@45: 
Chris@45: #define READ_MANDATORY(TYPE, NAME, CONVERSION)		      \
Chris@45:     TYPE NAME = attributes.value(#NAME).trimmed().CONVERSION(&ok); \
Chris@45:     if (!ok) { \
Chris@45: 	std::cerr << "WARNING: SV-XML: Missing or invalid mandatory " #TYPE " attribute \"" #NAME "\"" << std::endl; \
Chris@45: 	return false; \
Chris@45:     }
Chris@45: 
Chris@45: bool
Chris@45: SVFileReader::readWindow(const QXmlAttributes &attributes)
Chris@45: {
Chris@45:     bool ok = false;
Chris@45: 
Chris@45:     READ_MANDATORY(int, width, toInt);
Chris@45:     READ_MANDATORY(int, height, toInt);
Chris@45: 
Chris@45:     m_paneCallback.setWindowSize(width, height);
Chris@45:     return true;
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: SVFileReader::addUnaddedModels()
Chris@45: {
Chris@45:     std::set<Model *> unaddedModels;
Chris@45:     
Chris@45:     for (std::map<int, Model *>::iterator i = m_models.begin();
Chris@45:          i != m_models.end(); ++i) {
Chris@45:         if (m_addedModels.find(i->second) == m_addedModels.end()) {
Chris@45:             unaddedModels.insert(i->second);
Chris@45:         }
Chris@45:     }
Chris@45:     
Chris@45:     for (std::set<Model *>::iterator i = unaddedModels.begin();
Chris@45:          i != unaddedModels.end(); ++i) {
Chris@45:         m_document->addImportedModel(*i);
Chris@45:         m_addedModels.insert(*i);
Chris@45:     }
Chris@45: }
Chris@45: 
Chris@45: bool
Chris@45: SVFileReader::readModel(const QXmlAttributes &attributes)
Chris@45: {
Chris@45:     bool ok = false;
Chris@45: 
Chris@45:     READ_MANDATORY(int, id, toInt);
Chris@45: 
Chris@45:     if (haveModel(id)) {
Chris@45: 	std::cerr << "WARNING: SV-XML: Ignoring duplicate model id " << id
Chris@45: 		  << std::endl;
Chris@45: 	return false;
Chris@45:     }
Chris@45: 
Chris@45:     QString name = attributes.value("name");
Chris@45: 
Chris@45:     std::cerr << "SVFileReader::readModel: model name \"" << name.toStdString() << "\"" << std::endl;
Chris@45: 
Chris@45:     READ_MANDATORY(int, sampleRate, toInt);
Chris@45: 
Chris@45:     QString type = attributes.value("type").trimmed();
Chris@45:     bool mainModel = (attributes.value("mainModel").trimmed() == "true");
Chris@45: 
Chris@45:     if (type == "wavefile") {
Chris@45: 	
Chris@45:         WaveFileModel *model = 0;
Chris@45:         FileFinder *ff = FileFinder::getInstance();
Chris@45:         QString originalPath = attributes.value("file");
Chris@45:         QString path = ff->find(FileFinder::AudioFile,
Chris@45:                                 originalPath, m_location);
Chris@45: 
Chris@109:         ProgressDialog dialog(tr("Opening file or URL..."), true, 2000);
Chris@109:         FileSource file(path, &dialog);
Chris@45:         file.waitForStatus();
Chris@45: 
Chris@45:         if (!file.isOK()) {
Chris@45:             std::cerr << "SVFileReader::readModel: Failed to retrieve file \"" << path.toStdString() << "\" for wave file model: " << file.getErrorString().toStdString() << std::endl;
Chris@45:         } else if (!file.isAvailable()) {
Chris@45:             std::cerr << "SVFileReader::readModel: Failed to retrieve file \"" << path.toStdString() << "\" for wave file model: Source unavailable" << std::endl;
Chris@45:         } else {
Chris@45: 
Chris@45:             file.waitForData();
Chris@116: 
Chris@116:             size_t rate = 0;
Chris@116: 
Chris@116:             if (!mainModel &&
Chris@116:                 Preferences::getInstance()->getResampleOnLoad()) {
Chris@116:                 WaveFileModel *mm = m_document->getMainModel();
Chris@116:                 if (mm) rate = mm->getSampleRate();
Chris@116:             }
Chris@116: 
Chris@116:             model = new WaveFileModel(file, rate);
Chris@45:             if (!model->isOK()) {
Chris@45:                 delete model;
Chris@45:                 model = 0;
Chris@45:             }
Chris@45:         }
Chris@45: 
Chris@45:         if (!model) return false;
Chris@45: 
Chris@45:         model->setObjectName(name);
Chris@45: 	m_models[id] = model;
Chris@45: 	if (mainModel) {
Chris@45: 	    m_document->setMainModel(model);
Chris@45: 	    m_addedModels.insert(model);
Chris@45: 	}
Chris@45: 	// Derived models will be added when their derivation
Chris@45: 	// is found.
Chris@45: 
Chris@45: 	return true;
Chris@45: 
Chris@45:     } else if (type == "dense") {
Chris@45: 	
Chris@45: 	READ_MANDATORY(int, dimensions, toInt);
Chris@45: 		    
Chris@45: 	// Currently the only dense model we support here is the dense
Chris@45: 	// 3d model.  Dense time-value models are always file-backed
Chris@45: 	// waveform data, at this point, and they come in as wavefile
Chris@45: 	// models.
Chris@45: 	
Chris@45: 	if (dimensions == 3) {
Chris@45: 	    
Chris@45: 	    READ_MANDATORY(int, windowSize, toInt);
Chris@45: 	    READ_MANDATORY(int, yBinCount, toInt);
Chris@45: 	    
Chris@45:             EditableDenseThreeDimensionalModel *model =
Chris@45: 		new EditableDenseThreeDimensionalModel
Chris@45:                 (sampleRate, windowSize, yBinCount);
Chris@45: 	    
Chris@45: 	    float minimum = attributes.value("minimum").trimmed().toFloat(&ok);
Chris@45: 	    if (ok) model->setMinimumLevel(minimum);
Chris@45: 	    
Chris@45: 	    float maximum = attributes.value("maximum").trimmed().toFloat(&ok);
Chris@45: 	    if (ok) model->setMaximumLevel(maximum);
Chris@45: 
Chris@45: 	    int dataset = attributes.value("dataset").trimmed().toInt(&ok);
Chris@45: 	    if (ok) m_awaitingDatasets[dataset] = id;
Chris@45: 
Chris@45:             model->setObjectName(name);
Chris@45: 	    m_models[id] = model;
Chris@45: 	    return true;
Chris@45: 
Chris@45: 	} else {
Chris@45: 
Chris@45: 	    std::cerr << "WARNING: SV-XML: Unexpected dense model dimension ("
Chris@45: 		      << dimensions << ")" << std::endl;
Chris@45: 	}
Chris@45:     } else if (type == "sparse") {
Chris@45: 
Chris@45: 	READ_MANDATORY(int, dimensions, toInt);
Chris@45: 		  
Chris@45: 	if (dimensions == 1) {
Chris@45: 	    
Chris@45: 	    READ_MANDATORY(int, resolution, toInt);
Chris@45: 
Chris@45:             if (attributes.value("subtype") == "image") {
Chris@45: 
Chris@45:                 bool notifyOnAdd = (attributes.value("notifyOnAdd") == "true");
Chris@45:                 ImageModel *model = new ImageModel(sampleRate, resolution,
Chris@45:                                                    notifyOnAdd);
Chris@45:                 model->setObjectName(name);
Chris@45:                 m_models[id] = model;
Chris@45: 
Chris@45:             } else {
Chris@45: 
Chris@45:                 SparseOneDimensionalModel *model = new SparseOneDimensionalModel
Chris@45:                     (sampleRate, resolution);
Chris@45:                 model->setObjectName(name);
Chris@45:                 m_models[id] = model;
Chris@45:             }
Chris@45: 
Chris@45: 	    int dataset = attributes.value("dataset").trimmed().toInt(&ok);
Chris@45: 	    if (ok) m_awaitingDatasets[dataset] = id;
Chris@45: 
Chris@45: 	    return true;
Chris@45: 
Chris@45: 	} else if (dimensions == 2 || dimensions == 3) {
Chris@45: 	    
Chris@45: 	    READ_MANDATORY(int, resolution, toInt);
Chris@45: 
Chris@45:             bool haveMinMax = true;
Chris@45: 	    float minimum = attributes.value("minimum").trimmed().toFloat(&ok);
Chris@45:             if (!ok) haveMinMax = false;
Chris@45: 	    float maximum = attributes.value("maximum").trimmed().toFloat(&ok);
Chris@45:             if (!ok) haveMinMax = false;
Chris@45: 
Chris@45: 	    float valueQuantization =
Chris@45: 		attributes.value("valueQuantization").trimmed().toFloat(&ok);
Chris@45: 
Chris@45: 	    bool notifyOnAdd = (attributes.value("notifyOnAdd") == "true");
Chris@45: 
Chris@45:             QString units = attributes.value("units");
Chris@45: 
Chris@45: 	    if (dimensions == 2) {
Chris@45: 		if (attributes.value("subtype") == "text") {
Chris@45: 		    TextModel *model = new TextModel
Chris@45: 			(sampleRate, resolution, notifyOnAdd);
Chris@45:                     model->setObjectName(name);
Chris@45: 		    m_models[id] = model;
Chris@111:                 } else if (attributes.value("subtype") == "path") {
Chris@111:                     PathModel *model = new PathModel
Chris@111:                         (sampleRate, resolution, notifyOnAdd);
Chris@111:                     model->setObjectName(name);
Chris@111:                     m_models[id] = model;
Chris@45: 		} else {
Chris@45: 		    SparseTimeValueModel *model;
Chris@45:                     if (haveMinMax) {
Chris@45:                         model = new SparseTimeValueModel
Chris@45:                             (sampleRate, resolution, minimum, maximum, notifyOnAdd);
Chris@45:                     } else {
Chris@45:                         model = new SparseTimeValueModel
Chris@45:                             (sampleRate, resolution, notifyOnAdd);
Chris@45:                     }
Chris@45:                     model->setScaleUnits(units);
Chris@45:                     model->setObjectName(name);
Chris@45: 		    m_models[id] = model;
Chris@45: 		}
Chris@45: 	    } else {
Chris@137:                 if (attributes.value("subtype") == "region") {
Chris@137:                     RegionModel *model;
Chris@137:                     if (haveMinMax) {
Chris@137:                         model = new RegionModel
Chris@137:                             (sampleRate, resolution, minimum, maximum, notifyOnAdd);
Chris@137:                     } else {
Chris@137:                         model = new RegionModel
Chris@137:                             (sampleRate, resolution, notifyOnAdd);
Chris@137:                     }
Chris@137:                     model->setValueQuantization(valueQuantization);
Chris@137:                     model->setScaleUnits(units);
Chris@137:                     model->setObjectName(name);
Chris@137:                     m_models[id] = model;
Chris@45:                 } else {
Chris@137:                     // note models written out by SV 1.3 and earlier
Chris@137:                     // have no subtype, so we can't test that
Chris@137:                     NoteModel *model;
Chris@137:                     if (haveMinMax) {
Chris@137:                         model = new NoteModel
Chris@137:                             (sampleRate, resolution, minimum, maximum, notifyOnAdd);
Chris@137:                     } else {
Chris@137:                         model = new NoteModel
Chris@137:                             (sampleRate, resolution, notifyOnAdd);
Chris@137:                     }
Chris@137:                     model->setValueQuantization(valueQuantization);
Chris@137:                     model->setScaleUnits(units);
Chris@137:                     model->setObjectName(name);
Chris@137:                     m_models[id] = model;
Chris@45:                 }
Chris@137:             }
Chris@45: 
Chris@45: 	    int dataset = attributes.value("dataset").trimmed().toInt(&ok);
Chris@45: 	    if (ok) m_awaitingDatasets[dataset] = id;
Chris@45: 
Chris@45: 	    return true;
Chris@45: 
Chris@45: 	} else {
Chris@45: 
Chris@45: 	    std::cerr << "WARNING: SV-XML: Unexpected sparse model dimension ("
Chris@45: 		      << dimensions << ")" << std::endl;
Chris@45: 	}
Chris@111: 
Chris@111:     } else if (type == "alignment") {
Chris@111: 
Chris@111:         READ_MANDATORY(int, reference, toInt);
Chris@111:         READ_MANDATORY(int, aligned, toInt);
Chris@111:         READ_MANDATORY(int, path, toInt);
Chris@111: 
Chris@111:         Model *refModel = 0, *alignedModel = 0, *pathModel = 0;
Chris@111: 
Chris@111:         if (m_models.find(reference) != m_models.end()) {
Chris@111:             refModel = m_models[reference];
Chris@111:         } else {
Chris@111:             std::cerr << "WARNING: SV-XML: Unknown reference model id "
Chris@111:                       << reference << " in alignment model id " << id
Chris@111:                       << std::endl;
Chris@111:         }
Chris@111: 
Chris@111:         if (m_models.find(aligned) != m_models.end()) {
Chris@111:             alignedModel = m_models[aligned];
Chris@111:         } else {
Chris@111:             std::cerr << "WARNING: SV-XML: Unknown aligned model id "
Chris@111:                       << aligned << " in alignment model id " << id
Chris@111:                       << std::endl;
Chris@111:         }
Chris@111: 
Chris@111:         if (m_models.find(path) != m_models.end()) {
Chris@111:             pathModel = m_models[path];
Chris@111:         } else {
Chris@111:             std::cerr << "WARNING: SV-XML: Unknown path model id "
Chris@111:                       << path << " in alignment model id " << id
Chris@111:                       << std::endl;
Chris@111:         }
Chris@111: 
Chris@111:         if (refModel && alignedModel && pathModel) {
Chris@111:             AlignmentModel *model = new AlignmentModel
Chris@111:                 (refModel, alignedModel, 0, 0);
Chris@111:             PathModel *pm = dynamic_cast<PathModel *>(pathModel);
Chris@111:             if (!pm) {
Chris@111:                 std::cerr << "WARNING: SV-XML: Model id " << path
Chris@111:                           << " referenced as path for alignment " << id
Chris@111:                           << " is not a path model" << std::endl;
Chris@111:             } else {
Chris@111:                 model->setPath(pm);
Chris@111:                 pm->setCompletion(100);
Chris@111:             }
Chris@111:             model->setObjectName(name);
Chris@111:             m_models[id] = model;
Chris@111:             alignedModel->setAlignment(model);
Chris@111:             return true;
Chris@111:         }
Chris@111:         
Chris@45:     } else {
Chris@45: 
Chris@45: 	std::cerr << "WARNING: SV-XML: Unexpected model type \""
Chris@45: 		  << type.toLocal8Bit().data() << "\" for model id " << id << std::endl;
Chris@45:     }
Chris@45: 
Chris@45:     return false;
Chris@45: }
Chris@45: 
Chris@45: bool
Chris@45: SVFileReader::readView(const QXmlAttributes &attributes)
Chris@45: {
Chris@45:     QString type = attributes.value("type");
Chris@45:     m_currentPane = 0;
Chris@45:     
Chris@45:     if (type != "pane") {
Chris@45: 	std::cerr << "WARNING: SV-XML: Unexpected view type \""
Chris@45: 		  << type.toLocal8Bit().data() << "\"" << std::endl;
Chris@45: 	return false;
Chris@45:     }
Chris@45: 
Chris@45:     m_currentPane = m_paneCallback.addPane();
Chris@45: 
Chris@45:     if (!m_currentPane) {
Chris@45: 	std::cerr << "WARNING: SV-XML: Internal error: Failed to add pane!"
Chris@45: 		  << std::endl;
Chris@45: 	return false;
Chris@45:     }
Chris@45: 
Chris@45:     bool ok = false;
Chris@45: 
Chris@45:     View *view = m_currentPane;
Chris@45: 
Chris@45:     // The view properties first
Chris@45: 
Chris@45:     READ_MANDATORY(size_t, centre, toUInt);
Chris@45:     READ_MANDATORY(size_t, zoom, toUInt);
Chris@45:     READ_MANDATORY(int, followPan, toInt);
Chris@45:     READ_MANDATORY(int, followZoom, toInt);
Chris@45:     QString tracking = attributes.value("tracking");
Chris@45: 
Chris@45:     // Specify the follow modes before we set the actual values
Chris@45:     view->setFollowGlobalPan(followPan);
Chris@45:     view->setFollowGlobalZoom(followZoom);
Chris@45:     view->setPlaybackFollow(tracking == "scroll" ? PlaybackScrollContinuous :
Chris@45: 			    tracking == "page" ? PlaybackScrollPage
Chris@45: 			    : PlaybackIgnore);
Chris@45: 
Chris@45:     // Then set these values
Chris@45:     view->setCentreFrame(centre);
Chris@45:     view->setZoomLevel(zoom);
Chris@45: 
Chris@45:     // And pane properties
Chris@45:     READ_MANDATORY(int, centreLineVisible, toInt);
Chris@45:     m_currentPane->setCentreLineVisible(centreLineVisible);
Chris@45: 
Chris@45:     int height = attributes.value("height").toInt(&ok);
Chris@45:     if (ok) {
Chris@45: 	m_currentPane->resize(m_currentPane->width(), height);
Chris@45:     }
Chris@45: 
Chris@45:     return true;
Chris@45: }
Chris@45: 
Chris@45: bool
Chris@45: SVFileReader::readLayer(const QXmlAttributes &attributes)
Chris@45: {
Chris@45:     QString type = attributes.value("type");
Chris@45: 
Chris@45:     int id;
Chris@45:     bool ok = false;
Chris@45:     id = attributes.value("id").trimmed().toInt(&ok);
Chris@45: 
Chris@45:     if (!ok) {
Chris@45: 	std::cerr << "WARNING: SV-XML: No layer id for layer of type \""
Chris@45: 		  << type.toLocal8Bit().data()
Chris@45: 		  << "\"" << std::endl;
Chris@45: 	return false;
Chris@45:     }
Chris@45: 
Chris@45:     Layer *layer = 0;
Chris@45:     bool isNewLayer = false;
Chris@45: 
Chris@45:     // Layers are expected to be defined in layer elements in the data
Chris@45:     // section, and referred to in layer elements in the view
Chris@45:     // sections.  So if we're in the data section, we expect this
Chris@45:     // layer not to exist already; if we're in the view section, we
Chris@45:     // expect it to exist.
Chris@45: 
Chris@45:     if (m_inData) {
Chris@45: 
Chris@45: 	if (m_layers.find(id) != m_layers.end()) {
Chris@45: 	    std::cerr << "WARNING: SV-XML: Ignoring duplicate layer id " << id
Chris@45: 		      << " in data section" << std::endl;
Chris@45: 	    return false;
Chris@45: 	}
Chris@45: 
Chris@45: 	layer = m_layers[id] = m_document->createLayer
Chris@45: 	    (LayerFactory::getInstance()->getLayerTypeForName(type));
Chris@45: 
Chris@45: 	if (layer) {
Chris@45: 	    m_layers[id] = layer;
Chris@45: 	    isNewLayer = true;
Chris@45: 	}
Chris@45: 
Chris@45:     } else {
Chris@45: 
Chris@45: 	if (!m_currentPane) {
Chris@45: 	    std::cerr << "WARNING: SV-XML: No current pane for layer " << id
Chris@45: 		      << " in view section" << std::endl;
Chris@45: 	    return false;
Chris@45: 	}
Chris@45: 
Chris@45: 	if (m_layers.find(id) != m_layers.end()) {
Chris@45: 	    
Chris@45: 	    layer = m_layers[id];
Chris@45: 	
Chris@45: 	} else {
Chris@45: 	    std::cerr << "WARNING: SV-XML: Layer id " << id 
Chris@45: 		      << " in view section has not been defined -- defining it here"
Chris@45: 		      << std::endl;
Chris@45: 
Chris@45: 	    layer = m_document->createLayer
Chris@45: 		(LayerFactory::getInstance()->getLayerTypeForName(type));
Chris@45: 
Chris@45: 	    if (layer) {
Chris@45: 		m_layers[id] = layer;
Chris@45: 		isNewLayer = true;
Chris@45: 	    }
Chris@45: 	}
Chris@45:     }
Chris@45: 	    
Chris@45:     if (!layer) {
Chris@45: 	std::cerr << "WARNING: SV-XML: Failed to add layer of type \""
Chris@45: 		  << type.toLocal8Bit().data()
Chris@45: 		  << "\"" << std::endl;
Chris@45: 	return false;
Chris@45:     }
Chris@45: 
Chris@45:     if (isNewLayer) {
Chris@45: 
Chris@45: 	QString name = attributes.value("name");
Chris@45: 	layer->setObjectName(name);
Chris@45: 
Chris@89:         QString presentationName = attributes.value("presentationName");
Chris@89:         layer->setPresentationName(presentationName);
Chris@89: 
Chris@45: 	int modelId;
Chris@45: 	bool modelOk = false;
Chris@45: 	modelId = attributes.value("model").trimmed().toInt(&modelOk);
Chris@45: 
Chris@45: 	if (modelOk) {
Chris@45: 	    if (haveModel(modelId)) {
Chris@45: 		Model *model = m_models[modelId];
Chris@45: 		m_document->setModel(layer, model);
Chris@45: 	    } else {
Chris@45: 		std::cerr << "WARNING: SV-XML: Unknown model id " << modelId
Chris@45: 			  << " in layer definition" << std::endl;
Chris@45: 	    }
Chris@45: 	}
Chris@45: 
Chris@45: 	layer->setProperties(attributes);
Chris@45:     }
Chris@45: 
Chris@45:     if (!m_inData && m_currentPane) {
Chris@45: 
Chris@45:         QString visible = attributes.value("visible");
Chris@45:         bool dormant = (visible == "false");
Chris@45: 
Chris@45:         // We need to do this both before and after adding the layer
Chris@45:         // to the view -- we need it to be dormant if appropriate
Chris@45:         // before it's actually added to the view so that any property
Chris@45:         // box gets the right state when it's added, but the add layer
Chris@45:         // command sets dormant to false because it assumes it may be
Chris@45:         // restoring a previously dormant layer, so we need to set it
Chris@45:         // again afterwards too.  Hm
Chris@45:         layer->setLayerDormant(m_currentPane, dormant);
Chris@45: 
Chris@45: 	m_document->addLayerToView(m_currentPane, layer);
Chris@45: 
Chris@45:         layer->setLayerDormant(m_currentPane, dormant);
Chris@45:     }
Chris@45: 
Chris@45:     m_currentLayer = layer;
Chris@45:     m_inLayer = true;
Chris@45: 
Chris@45:     return true;
Chris@45: }
Chris@45: 
Chris@45: bool
Chris@45: SVFileReader::readDatasetStart(const QXmlAttributes &attributes)
Chris@45: {
Chris@45:     bool ok = false;
Chris@45: 
Chris@45:     READ_MANDATORY(int, id, toInt);
Chris@45:     READ_MANDATORY(int, dimensions, toInt);
Chris@45:     
Chris@45:     if (m_awaitingDatasets.find(id) == m_awaitingDatasets.end()) {
Chris@45: 	std::cerr << "WARNING: SV-XML: Unwanted dataset " << id << std::endl;
Chris@45: 	return false;
Chris@45:     }
Chris@45:     
Chris@45:     int modelId = m_awaitingDatasets[id];
Chris@45:     
Chris@45:     Model *model = 0;
Chris@45:     if (haveModel(modelId)) {
Chris@45: 	model = m_models[modelId];
Chris@45:     } else {
Chris@45: 	std::cerr << "WARNING: SV-XML: Internal error: Unknown model " << modelId
Chris@45: 		  << " expecting dataset " << id << std::endl;
Chris@45: 	return false;
Chris@45:     }
Chris@45: 
Chris@45:     bool good = false;
Chris@45: 
Chris@45:     switch (dimensions) {
Chris@45:     case 1:
Chris@45: 	if (dynamic_cast<SparseOneDimensionalModel *>(model)) good = true;
Chris@45:         else if (dynamic_cast<ImageModel *>(model)) good = true;
Chris@45: 	break;
Chris@45: 
Chris@45:     case 2:
Chris@45: 	if (dynamic_cast<SparseTimeValueModel *>(model)) good = true;
Chris@45: 	else if (dynamic_cast<TextModel *>(model)) good = true;
Chris@111: 	else if (dynamic_cast<PathModel *>(model)) good = true;
Chris@45: 	break;
Chris@45: 
Chris@45:     case 3:
Chris@45: 	if (dynamic_cast<NoteModel *>(model)) good = true;
Chris@137: 	else if (dynamic_cast<RegionModel *>(model)) good = true;
Chris@45: 	else if (dynamic_cast<EditableDenseThreeDimensionalModel *>(model)) {
Chris@45: 	    m_datasetSeparator = attributes.value("separator");
Chris@45: 	    good = true;
Chris@45: 	}
Chris@45: 	break;
Chris@45:     }
Chris@45: 
Chris@45:     if (!good) {
Chris@45: 	std::cerr << "WARNING: SV-XML: Model id " << modelId << " has wrong number of dimensions or inappropriate type for " << dimensions << "-D dataset " << id << std::endl;
Chris@45: 	m_currentDataset = 0;
Chris@45: 	return false;
Chris@45:     }
Chris@45: 
Chris@45:     m_currentDataset = model;
Chris@45:     return true;
Chris@45: }
Chris@45: 
Chris@45: bool
Chris@45: SVFileReader::addPointToDataset(const QXmlAttributes &attributes)
Chris@45: {
Chris@45:     bool ok = false;
Chris@45: 
Chris@45:     READ_MANDATORY(int, frame, toInt);
Chris@45: 
Chris@45: //    std::cerr << "SVFileReader::addPointToDataset: frame = " << frame << std::endl;
Chris@45: 
Chris@45:     SparseOneDimensionalModel *sodm = dynamic_cast<SparseOneDimensionalModel *>
Chris@45: 	(m_currentDataset);
Chris@45: 
Chris@45:     if (sodm) {
Chris@45: //        std::cerr << "Current dataset is a sparse one dimensional model" << std::endl;
Chris@45: 	QString label = attributes.value("label");
Chris@45: 	sodm->addPoint(SparseOneDimensionalModel::Point(frame, label));
Chris@45: 	return true;
Chris@45:     }
Chris@45: 
Chris@45:     SparseTimeValueModel *stvm = dynamic_cast<SparseTimeValueModel *>
Chris@45: 	(m_currentDataset);
Chris@45: 
Chris@45:     if (stvm) {
Chris@45: //        std::cerr << "Current dataset is a sparse time-value model" << std::endl;
Chris@45: 	float value = 0.0;
Chris@45: 	value = attributes.value("value").trimmed().toFloat(&ok);
Chris@45: 	QString label = attributes.value("label");
Chris@45: 	stvm->addPoint(SparseTimeValueModel::Point(frame, value, label));
Chris@45: 	return ok;
Chris@45:     }
Chris@45: 	
Chris@45:     NoteModel *nm = dynamic_cast<NoteModel *>(m_currentDataset);
Chris@45: 
Chris@45:     if (nm) {
Chris@45: //        std::cerr << "Current dataset is a note model" << std::endl;
Chris@45: 	float value = 0.0;
Chris@45: 	value = attributes.value("value").trimmed().toFloat(&ok);
Chris@45: 	size_t duration = 0;
Chris@45: 	duration = attributes.value("duration").trimmed().toUInt(&ok);
Chris@45: 	QString label = attributes.value("label");
Chris@61:         float level = attributes.value("level").trimmed().toFloat(&ok);
Chris@61:         if (!ok) { // level is optional
Chris@61:             level = 1.f;
Chris@61:             ok = true;
Chris@61:         }
Chris@61: 	nm->addPoint(NoteModel::Point(frame, value, duration, level, label));
Chris@45: 	return ok;
Chris@45:     }
Chris@45: 
Chris@137:     RegionModel *rm = dynamic_cast<RegionModel *>(m_currentDataset);
Chris@137: 
Chris@137:     if (rm) {
Chris@137: //        std::cerr << "Current dataset is a note model" << std::endl;
Chris@137: 	float value = 0.0;
Chris@137: 	value = attributes.value("value").trimmed().toFloat(&ok);
Chris@137: 	size_t duration = 0;
Chris@137: 	duration = attributes.value("duration").trimmed().toUInt(&ok);
Chris@137: 	QString label = attributes.value("label");
Chris@137: 	rm->addPoint(RegionModel::Point(frame, value, duration, label));
Chris@137: 	return ok;
Chris@137:     }
Chris@137: 
Chris@45:     TextModel *tm = dynamic_cast<TextModel *>(m_currentDataset);
Chris@45: 
Chris@45:     if (tm) {
Chris@45: //        std::cerr << "Current dataset is a text model" << std::endl;
Chris@45: 	float height = 0.0;
Chris@45: 	height = attributes.value("height").trimmed().toFloat(&ok);
Chris@45: 	QString label = attributes.value("label");
Chris@45: //        std::cerr << "SVFileReader::addPointToDataset: TextModel: frame = " << frame << ", height = " << height << ", label = " << label.toStdString() << ", ok = " << ok << std::endl;
Chris@45: 	tm->addPoint(TextModel::Point(frame, height, label));
Chris@45: 	return ok;
Chris@45:     }
Chris@45: 
Chris@111:     PathModel *pm = dynamic_cast<PathModel *>(m_currentDataset);
Chris@111: 
Chris@111:     if (pm) {
Chris@111: //        std::cerr << "Current dataset is a path model" << std::endl;
Chris@111:         int mapframe = attributes.value("mapframe").trimmed().toInt(&ok);
Chris@111: //        std::cerr << "SVFileReader::addPointToDataset: PathModel: frame = " << frame << ", mapframe = " << mapframe << ", ok = " << ok << std::endl;
Chris@111: 	pm->addPoint(PathModel::Point(frame, mapframe));
Chris@111: 	return ok;
Chris@111:     }
Chris@111: 
Chris@45:     ImageModel *im = dynamic_cast<ImageModel *>(m_currentDataset);
Chris@45: 
Chris@45:     if (im) {
Chris@45: //        std::cerr << "Current dataset is an image model" << std::endl;
Chris@45: 	QString image = attributes.value("image");
Chris@45: 	QString label = attributes.value("label");
Chris@45: //        std::cerr << "SVFileReader::addPointToDataset: ImageModel: frame = " << frame << ", image = " << image.toStdString() << ", label = " << label.toStdString() << ", ok = " << ok << std::endl;
Chris@45: 	im->addPoint(ImageModel::Point(frame, image, label));
Chris@45: 	return ok;
Chris@45:     }
Chris@45: 
Chris@45:     std::cerr << "WARNING: SV-XML: Point element found in non-point dataset" << std::endl;
Chris@45: 
Chris@45:     return false;
Chris@45: }
Chris@45: 
Chris@45: bool
Chris@45: SVFileReader::addBinToDataset(const QXmlAttributes &attributes)
Chris@45: {
Chris@45:     EditableDenseThreeDimensionalModel *dtdm = 
Chris@45:         dynamic_cast<EditableDenseThreeDimensionalModel *>
Chris@45: 	(m_currentDataset);
Chris@45: 
Chris@45:     if (dtdm) {
Chris@45: 
Chris@45: 	bool ok = false;
Chris@45: 	int n = attributes.value("number").trimmed().toInt(&ok);
Chris@45: 	if (!ok) {
Chris@45: 	    std::cerr << "WARNING: SV-XML: Missing or invalid bin number"
Chris@45: 		      << std::endl;
Chris@45: 	    return false;
Chris@45: 	}
Chris@45: 
Chris@45: 	QString name = attributes.value("name");
Chris@45: 
Chris@45: 	dtdm->setBinName(n, name);
Chris@45: 	return true;
Chris@45:     }
Chris@45: 
Chris@45:     std::cerr << "WARNING: SV-XML: Bin definition found in incompatible dataset" << std::endl;
Chris@45: 
Chris@45:     return false;
Chris@45: }
Chris@45: 
Chris@45: 
Chris@45: bool
Chris@45: SVFileReader::addRowToDataset(const QXmlAttributes &attributes)
Chris@45: {
Chris@45:     m_inRow = false;
Chris@45: 
Chris@45:     bool ok = false;
Chris@45:     m_rowNumber = attributes.value("n").trimmed().toInt(&ok);
Chris@45:     if (!ok) {
Chris@45: 	std::cerr << "WARNING: SV-XML: Missing or invalid row number"
Chris@45: 		  << std::endl;
Chris@45: 	return false;
Chris@45:     }
Chris@45:     
Chris@45:     m_inRow = true;
Chris@45: 
Chris@45: //    std::cerr << "SV-XML: In row " << m_rowNumber << std::endl;
Chris@45:     
Chris@45:     return true;
Chris@45: }
Chris@45: 
Chris@45: bool
Chris@45: SVFileReader::readRowData(const QString &text)
Chris@45: {
Chris@45:     EditableDenseThreeDimensionalModel *dtdm =
Chris@45:         dynamic_cast<EditableDenseThreeDimensionalModel *>
Chris@45: 	(m_currentDataset);
Chris@45: 
Chris@45:     bool warned = false;
Chris@45: 
Chris@45:     if (dtdm) {
Chris@45: 	QStringList data = text.split(m_datasetSeparator);
Chris@45: 
Chris@45: 	DenseThreeDimensionalModel::Column values;
Chris@45: 
Chris@45: 	for (QStringList::iterator i = data.begin(); i != data.end(); ++i) {
Chris@45: 
Chris@45: 	    if (values.size() == dtdm->getHeight()) {
Chris@45: 		if (!warned) {
Chris@45: 		    std::cerr << "WARNING: SV-XML: Too many y-bins in 3-D dataset row "
Chris@45: 			      << m_rowNumber << std::endl;
Chris@45: 		    warned = true;
Chris@45: 		}
Chris@45: 	    }
Chris@45: 
Chris@45: 	    bool ok;
Chris@45: 	    float value = i->toFloat(&ok);
Chris@45: 	    if (!ok) {
Chris@45: 		std::cerr << "WARNING: SV-XML: Bad floating-point value "
Chris@45: 			  << i->toLocal8Bit().data()
Chris@45: 			  << " in row data" << std::endl;
Chris@45: 	    } else {
Chris@45: 		values.push_back(value);
Chris@45: 	    }
Chris@45: 	}
Chris@45: 
Chris@45: 	dtdm->setColumn(m_rowNumber, values);
Chris@45: 	return true;
Chris@45:     }
Chris@45: 
Chris@45:     std::cerr << "WARNING: SV-XML: Row data found in non-row dataset" << std::endl;
Chris@45: 
Chris@45:     return false;
Chris@45: }
Chris@45: 
Chris@45: bool
Chris@45: SVFileReader::readDerivation(const QXmlAttributes &attributes)
Chris@45: {
Chris@45:     int modelId = 0;
Chris@45:     bool modelOk = false;
Chris@45:     modelId = attributes.value("model").trimmed().toInt(&modelOk);
Chris@45: 
Chris@45:     if (!modelOk) {
Chris@45: 	std::cerr << "WARNING: SV-XML: No model id specified for derivation" << std::endl;
Chris@45: 	return false;
Chris@45:     }
Chris@45: 
Chris@45:     if (haveModel(modelId)) {
Chris@45:         m_currentDerivedModel = m_models[modelId];
Chris@45:     } else {
Chris@45:         // we'll regenerate the model when the derivation element ends
Chris@45:         m_currentDerivedModel = 0;
Chris@45:     }
Chris@45:     
Chris@45:     m_currentDerivedModelId = modelId;
Chris@45:     
Chris@45:     int sourceId = 0;
Chris@45:     bool sourceOk = false;
Chris@45:     sourceId = attributes.value("source").trimmed().toInt(&sourceOk);
Chris@45: 
Chris@45:     if (sourceOk && haveModel(sourceId)) {
Chris@72:         m_currentTransformSource = m_models[sourceId];
Chris@45:     } else {
Chris@72:         m_currentTransformSource = m_document->getMainModel();
Chris@45:     }
Chris@45: 
Chris@72:     m_currentTransform = Transform();
Chris@45: 
Chris@45:     bool ok = false;
Chris@45:     int channel = attributes.value("channel").trimmed().toInt(&ok);
Chris@72:     if (ok) m_currentTransformChannel = channel;
Chris@72:     else m_currentTransformChannel = -1;
Chris@45: 
Chris@72:     QString type = attributes.value("type");
Chris@72: 
Chris@72:     if (type == "transform") {
Chris@72:         m_currentTransformIsNewStyle = true;
Chris@72:         return true;
Chris@72:     } else {
Chris@72:         m_currentTransformIsNewStyle = false;
Chris@72:         std::cerr << "NOTE: SV-XML: Reading old-style derivation element"
Chris@72:                   << std::endl;
Chris@72:     }
Chris@72: 
Chris@72:     QString transformId = attributes.value("transform");
Chris@72: 
Chris@72:     m_currentTransform.setIdentifier(transformId);
Chris@45: 
Chris@45:     int stepSize = attributes.value("stepSize").trimmed().toInt(&ok);
Chris@72:     if (ok) m_currentTransform.setStepSize(stepSize);
Chris@45: 
Chris@45:     int blockSize = attributes.value("blockSize").trimmed().toInt(&ok);
Chris@72:     if (ok) m_currentTransform.setBlockSize(blockSize);
Chris@45: 
Chris@45:     int windowType = attributes.value("windowType").trimmed().toInt(&ok);
Chris@72:     if (ok) m_currentTransform.setWindowType(WindowType(windowType));
Chris@72: 
Chris@72:     if (!m_currentTransformSource) return true;
Chris@45: 
Chris@45:     QString startFrameStr = attributes.value("startFrame");
Chris@45:     QString durationStr = attributes.value("duration");
Chris@45: 
Chris@45:     size_t startFrame = 0;
Chris@45:     size_t duration = 0;
Chris@45: 
Chris@45:     if (startFrameStr != "") {
Chris@45:         startFrame = startFrameStr.trimmed().toInt(&ok);
Chris@45:         if (!ok) startFrame = 0;
Chris@45:     }
Chris@45:     if (durationStr != "") {
Chris@45:         duration = durationStr.trimmed().toInt(&ok);
Chris@45:         if (!ok) duration = 0;
Chris@45:     }
Chris@45: 
Chris@72:     m_currentTransform.setStartTime
Chris@72:         (RealTime::frame2RealTime
Chris@72:          (startFrame, m_currentTransformSource->getSampleRate()));
Chris@72: 
Chris@72:     m_currentTransform.setDuration
Chris@72:         (RealTime::frame2RealTime
Chris@72:          (duration, m_currentTransformSource->getSampleRate()));
Chris@45: 
Chris@45:     return true;
Chris@45: }
Chris@45: 
Chris@45: bool
Chris@45: SVFileReader::readPlayParameters(const QXmlAttributes &attributes)
Chris@45: {
Chris@45:     m_currentPlayParameters = 0;
Chris@45: 
Chris@45:     int modelId = 0;
Chris@45:     bool modelOk = false;
Chris@45:     modelId = attributes.value("model").trimmed().toInt(&modelOk);
Chris@45: 
Chris@45:     if (!modelOk) {
Chris@45: 	std::cerr << "WARNING: SV-XML: No model id specified for play parameters" << std::endl;
Chris@45: 	return false;
Chris@45:     }
Chris@45: 
Chris@45:     if (haveModel(modelId)) {
Chris@45: 
Chris@45:         bool ok = false;
Chris@45: 
Chris@45:         PlayParameters *parameters = PlayParameterRepository::getInstance()->
Chris@45:             getPlayParameters(m_models[modelId]);
Chris@45: 
Chris@45:         if (!parameters) {
Chris@45:             std::cerr << "WARNING: SV-XML: Play parameters for model "
Chris@45:                       << modelId
Chris@45:                       << " not found - has model been added to document?"
Chris@45:                       << std::endl;
Chris@45:             return false;
Chris@45:         }
Chris@45:         
Chris@45:         bool muted = (attributes.value("mute").trimmed() == "true");
Chris@45:         parameters->setPlayMuted(muted);
Chris@45:         
Chris@45:         float pan = attributes.value("pan").toFloat(&ok);
Chris@45:         if (ok) parameters->setPlayPan(pan);
Chris@45:         
Chris@45:         float gain = attributes.value("gain").toFloat(&ok);
Chris@45:         if (ok) parameters->setPlayGain(gain);
Chris@45:         
Chris@45:         QString pluginId = attributes.value("pluginId");
Chris@45:         if (pluginId != "") parameters->setPlayPluginId(pluginId);
Chris@45:         
Chris@45:         m_currentPlayParameters = parameters;
Chris@45: 
Chris@45: //        std::cerr << "Current play parameters for model: " << m_models[modelId] << ": " << m_currentPlayParameters << std::endl;
Chris@45: 
Chris@45:     } else {
Chris@45: 
Chris@45: 	std::cerr << "WARNING: SV-XML: Unknown model " << modelId
Chris@45: 		  << " for play parameters" << std::endl;
Chris@45:         return false;
Chris@45:     }
Chris@45: 
Chris@45:     return true;
Chris@45: }
Chris@45: 
Chris@45: bool
Chris@45: SVFileReader::readPlugin(const QXmlAttributes &attributes)
Chris@45: {
Chris@45:     if (m_currentDerivedModelId < 0 && !m_currentPlayParameters) {
Chris@45:         std::cerr << "WARNING: SV-XML: Plugin found outside derivation or play parameters" << std::endl;
Chris@45:         return false;
Chris@45:     }
Chris@45: 
Chris@72:     if (!m_currentPlayParameters && m_currentTransformIsNewStyle) {
Chris@72:         return true;
Chris@72:     }
Chris@72: 
Chris@45:     QString configurationXml = "<plugin";
Chris@45:     
Chris@45:     for (int i = 0; i < attributes.length(); ++i) {
Chris@45:         configurationXml += QString(" %1=\"%2\"")
Chris@45:             .arg(attributes.qName(i))
Chris@45:             .arg(XmlExportable::encodeEntities(attributes.value(i)));
Chris@45:     }
Chris@45: 
Chris@45:     configurationXml += "/>";
Chris@45: 
Chris@45:     if (m_currentPlayParameters) {
Chris@45:         m_currentPlayParameters->setPlayPluginConfiguration(configurationXml);
Chris@45:     } else {
Chris@72:         TransformFactory::getInstance()->
Chris@72:             setParametersFromPluginConfigurationXml(m_currentTransform,
Chris@72:                                                     configurationXml);
Chris@45:     }
Chris@45: 
Chris@45:     return true;
Chris@45: }
Chris@45: 
Chris@45: bool
Chris@72: SVFileReader::readTransform(const QXmlAttributes &attributes)
Chris@72: {
Chris@72:     if (m_currentDerivedModelId < 0) {
Chris@72:         std::cerr << "WARNING: SV-XML: Transform found outside derivation" << std::endl;
Chris@72:         return false;
Chris@72:     }
Chris@72: 
Chris@82:     m_currentTransform = Transform();
Chris@72:     m_currentTransform.setFromXmlAttributes(attributes);
Chris@72:     return true;
Chris@72: }
Chris@72: 
Chris@72: bool
Chris@72: SVFileReader::readParameter(const QXmlAttributes &attributes)
Chris@72: {
Chris@72:     if (m_currentDerivedModelId < 0) {
Chris@72:         std::cerr << "WARNING: SV-XML: Parameter found outside derivation" << std::endl;
Chris@72:         return false;
Chris@72:     }
Chris@72: 
Chris@72:     QString name = attributes.value("name");
Chris@72:     if (name == "") {
Chris@72:         std::cerr << "WARNING: SV-XML: Ignoring nameless transform parameter"
Chris@72:                   << std::endl;
Chris@72:         return false;
Chris@72:     }
Chris@72: 
Chris@72:     float value = attributes.value("value").trimmed().toFloat();
Chris@72: 
Chris@72:     m_currentTransform.setParameter(name, value);
Chris@72:     return true;
Chris@72: }
Chris@72: 
Chris@72: bool
Chris@45: SVFileReader::readSelection(const QXmlAttributes &attributes)
Chris@45: {
Chris@45:     bool ok;
Chris@45: 
Chris@45:     READ_MANDATORY(int, start, toInt);
Chris@45:     READ_MANDATORY(int, end, toInt);
Chris@45: 
Chris@45:     m_paneCallback.addSelection(start, end);
Chris@45: 
Chris@45:     return true;
Chris@45: }
Chris@45: 
Chris@45: bool
Chris@45: SVFileReader::readMeasurement(const QXmlAttributes &attributes)
Chris@45: {
Chris@45:     std::cerr << "SVFileReader::readMeasurement: inLayer "
Chris@45:               << m_inLayer << ", layer " << m_currentLayer << std::endl;
Chris@45: 
Chris@45:     if (!m_inLayer) {
Chris@45:         std::cerr << "WARNING: SV-XML: Measurement found outside layer" << std::endl;
Chris@45:         return false;
Chris@45:     }
Chris@45: 
Chris@45:     m_currentLayer->addMeasurementRect(attributes);
Chris@45:     return true;
Chris@45: }
Chris@45: 
Chris@45: SVFileReaderPaneCallback::~SVFileReaderPaneCallback()
Chris@45: {
Chris@45: }
Chris@45: 
Chris@140: 
Chris@140: class SVFileIdentifier : public QXmlDefaultHandler
Chris@140: {
Chris@140: public:
Chris@140:     SVFileIdentifier() :
Chris@140:         m_inSv(false),
Chris@140:         m_inData(false),
Chris@140:         m_type(SVFileReader::UnknownFileType)
Chris@140:     { }
Chris@140:     virtual ~SVFileIdentifier() { }
Chris@140: 
Chris@140:     void parse(QXmlInputSource &source) {
Chris@140:         QXmlSimpleReader reader;
Chris@140:         reader.setContentHandler(this);
Chris@140:         reader.setErrorHandler(this);
Chris@140:         reader.parse(source);
Chris@140:     }
Chris@140: 
Chris@140:     SVFileReader::FileType getType() const { return m_type; }
Chris@140: 
Chris@140:     virtual bool startElement(const QString &,
Chris@140: 			      const QString &,
Chris@140: 			      const QString &qName,
Chris@140: 			      const QXmlAttributes& atts)
Chris@140:     {
Chris@140:         QString name = qName.toLower();
Chris@140: 
Chris@140:         // SV session files have an sv element containing a data
Chris@140:         // element containing a model element with mainModel="true".
Chris@140: 
Chris@140:         // If the sv element is present but the rest does not satisfy,
Chris@140:         // then it's (probably) an SV layer file.
Chris@140: 
Chris@140:         // Otherwise, it's of unknown type.
Chris@140: 
Chris@140:         if (name == "sv") {
Chris@140:             m_inSv = true;
Chris@140:             if (m_type == SVFileReader::UnknownFileType) {
Chris@140:                 m_type = SVFileReader::SVLayerFile;
Chris@140:             }
Chris@140:             return true;
Chris@140:         } else if (name == "data") {
Chris@140:             if (!m_inSv) return true;
Chris@140:             m_inData = true;
Chris@140:         } else if (name == "model") {
Chris@140:             if (!m_inData) return true;
Chris@140:             if (atts.value("mainModel").trimmed() == "true") {
Chris@140:                 if (m_type == SVFileReader::SVLayerFile) {
Chris@140:                     m_type = SVFileReader::SVSessionFile;
Chris@140:                     return false; // done
Chris@140:                 }
Chris@140:             }
Chris@140:         }
Chris@140:         return true;
Chris@140:     }
Chris@140: 
Chris@140:     virtual bool endElement(const QString &,
Chris@140: 			    const QString &,
Chris@140: 			    const QString &qName)
Chris@140:     {
Chris@140:         QString name = qName.toLower();
Chris@140: 
Chris@140:         if (name == "sv") {
Chris@140:             if (m_inSv) {
Chris@140:                 m_inSv = false;
Chris@140:                 return false; // done
Chris@140:             }
Chris@140:         } else if (name == "data") {
Chris@140:             if (m_inData) {
Chris@140:                 m_inData = false;
Chris@140:                 return false; // also done, nothing after the first
Chris@140:                               // data element is of use here
Chris@140:             }
Chris@140:         }
Chris@140:         return true;
Chris@140:     }
Chris@140: 
Chris@140: private:
Chris@140:     bool m_inSv;
Chris@140:     bool m_inData;
Chris@140:     SVFileReader::FileType m_type;
Chris@140: };
Chris@140: 
Chris@140: 
Chris@140: SVFileReader::FileType
Chris@140: SVFileReader::identifyXmlFile(QString path)
Chris@140: {
Chris@140:     QFile file(path);
Chris@140:     SVFileIdentifier identifier;
Chris@140:     QXmlInputSource source(&file);
Chris@140:     identifier.parse(source);
Chris@140:     return identifier.getType();
Chris@140: }
Chris@140: 
Chris@140:     
Chris@140: