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1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
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2
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3 /*
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4 Sonic Visualiser
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5 An audio file viewer and annotation editor.
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6 Centre for Digital Music, Queen Mary, University of London.
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7 This file copyright 2006 Chris Cannam.
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8
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9 This program is free software; you can redistribute it and/or
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10 modify it under the terms of the GNU General Public License as
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11 published by the Free Software Foundation; either version 2 of the
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12 License, or (at your option) any later version. See the file
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13 COPYING included with this distribution for more information.
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14 */
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15
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16 #include "UnitDatabase.h"
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17
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18 UnitDatabase
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19 UnitDatabase::m_instance;
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20
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21 UnitDatabase *
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22 UnitDatabase::getInstance()
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23 {
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24 return &m_instance;
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25 }
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26
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27 UnitDatabase::UnitDatabase() :
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28 m_nextId(0)
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29 {
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30 }
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31
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32 QStringList
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33 UnitDatabase::getKnownUnits() const
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34 {
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35 QStringList list;
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36 for (UnitMap::const_iterator i = m_units.begin(); i != m_units.end(); ++i) {
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37 list.push_back(i->first);
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38 }
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39 return list;
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40 }
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41
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42 void
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43 UnitDatabase::registerUnit(QString unit)
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44 {
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45 if (m_units.find(unit) == m_units.end()) {
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46 m_units[unit] = m_nextId++;
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47 emit unitDatabaseChanged();
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48 }
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49 }
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50
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51 int
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52 UnitDatabase::getUnitId(QString unit, bool registerNew)
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53 {
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54 if (m_units.find(unit) == m_units.end()) {
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55 if (registerNew) registerUnit(unit);
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56 else return -1;
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57 }
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58 return m_units[unit];
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59 }
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60
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61 QString
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62 UnitDatabase::getUnitById(int id)
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63 {
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64 for (UnitMap::const_iterator i = m_units.begin(); i != m_units.end(); ++i) {
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65 if (i->second == id) return i->first;
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66 }
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67 return "";
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68 }
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69
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