diff runner/JsonLDFeatureWriter.h @ 223:f4315a0ade89 json-ld

added JSON-LD feature writer files

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/runner/JsonLDFeatureWriter.h	Mon Feb 22 14:27:19 2016 +0000
@@ -0,0 +1,112 @@
+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
+
+/*
+    Sonic Annotator
+    A utility for batch feature extraction from audio files.
+
+    Mark Levy, Chris Sutton and Chris Cannam, Queen Mary, University of London.
+    Copyright 2007-2014 QMUL.
+
+    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.  See the file
+    COPYING included with this distribution for more information.
+*/
+
+#ifndef JSONLD_FEATURE_WRITER_H
+#define JSONLD_FEATURE_WRITER_H
+
+#include "transform/FileFeatureWriter.h"
+
+#include "rdf/PluginRDFDescription.h"
+
+class JsonLDFileWriter;
+
+class JsonLDFeatureWriter : public FileFeatureWriter
+{
+public:
+    JsonLDFeatureWriter();
+    virtual ~JsonLDFeatureWriter();
+
+    string getDescription() const;
+
+    virtual ParameterList getSupportedParameters() const;
+    virtual void setParameters(map<string, string> &params);
+
+    virtual void setTrackMetadata(QString trackid, TrackMetadata metadata);
+
+    virtual void setNofM(int, int);
+    
+    virtual void write(QString trackid,
+                       const Transform &transform,
+                       const Vamp::Plugin::OutputDescriptor &output,
+                       const Vamp::Plugin::FeatureList &features,
+                       std::string summaryType = "");
+
+    virtual void finish();
+
+    virtual QString getWriterTag() const { return "jsld"; }
+
+private:
+    enum Task {
+	UnknownTask,
+	BeatTask,
+	OnsetTask,
+	ChordTask,
+	SegmentTask,
+	KeyTask,
+	NoteTask,
+	MelodyTask,
+	PitchTask,
+    };
+
+    typedef map<QString, PluginRDFDescription> RDFDescriptionMap; // by plugin id
+    RDFDescriptionMap m_rdfDescriptions;
+
+    typedef QString TrackId;
+    typedef pair<TrackId, Transform> DataId;
+
+    typedef map<TrackId, TrackMetadata> TrackMetadataMap;
+    TrackMetadataMap m_trackMetadata;
+
+    typedef map<TrackId, QString> TrackTimelineMap;
+    TrackTimelineMap m_trackTimelineGuids;
+
+    typedef set<TrackId> TrackIds;
+    typedef map<QTextStream *, TrackIds> StreamTrackMap;
+    StreamTrackMap m_streamTracks;
+
+    typedef set<Task> Tasks;
+    typedef map<QTextStream *, Tasks> StreamTaskMap;
+    StreamTaskMap m_streamTasks;
+
+    typedef set<DataId> DataIds;
+    typedef map<QTextStream *, DataIds> StreamDataMap;
+    StreamDataMap m_streamData;
+
+    typedef map<DataId, QString> DataMap;
+    DataMap m_data;
+
+    typedef map<TransformId, Task> TaskMap;
+    TaskMap m_tasks;
+
+    void loadRDFDescription(const Transform &);
+    void identifyTask(const Transform &);
+
+    QString getTaskKey(Task);
+
+    QString writeTransformToObjectContents(const Transform &);
+
+    QString writeContext();
+
+    std::string m_format;
+    bool m_network;
+    bool m_networkRetrieved;
+    int m_n;
+    int m_m;
+    int m_digits;
+};
+
+#endif
+