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annotate src/xlsx/xlsxrelationships.cpp @ 49:a849b1de248f

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author Andre Heinecke <andre.heinecke@intevation.de>
date Tue, 19 Jul 2016 12:18:57 +0200
parents 93d3106bb9a4
children
rev   line source
1
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1 /****************************************************************************
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2 ** Copyright (c) 2013-2014 Debao Zhang <hello@debao.me>
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3 ** All right reserved.
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4 **
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5 ** Permission is hereby granted, free of charge, to any person obtaining
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6 ** a copy of this software and associated documentation files (the
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7 ** "Software"), to deal in the Software without restriction, including
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8 ** without limitation the rights to use, copy, modify, merge, publish,
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9 ** distribute, sublicense, and/or sell copies of the Software, and to
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10 ** permit persons to whom the Software is furnished to do so, subject to
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11 ** the following conditions:
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12 **
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13 ** The above copyright notice and this permission notice shall be
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14 ** included in all copies or substantial portions of the Software.
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15 **
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16 ** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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17 ** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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18 ** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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19 ** NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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20 ** LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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21 ** OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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22 ** WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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23 **
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24 ****************************************************************************/
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25 #include "xlsxrelationships_p.h"
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26 #include <QXmlStreamWriter>
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27 #include <QXmlStreamReader>
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28 #include <QDir>
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29 #include <QFile>
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30 #include <QBuffer>
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31
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32 namespace QXlsx {
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33
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34 const QString schema_doc = QStringLiteral("http://schemas.openxmlformats.org/officeDocument/2006/relationships");
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35 const QString schema_msPackage = QStringLiteral("http://schemas.microsoft.com/office/2006/relationships");
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36 const QString schema_package = QStringLiteral("http://schemas.openxmlformats.org/package/2006/relationships");
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37 //const QString schema_worksheet = QStringLiteral("http://schemas.openxmlformats.org/officeDocument/2006/relationships");
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38 Relationships::Relationships()
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39 {
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40 }
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41
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42 QList<XlsxRelationship> Relationships::documentRelationships(const QString &relativeType) const
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43 {
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44 return relationships(schema_doc + relativeType);
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45 }
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46
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47 void Relationships::addDocumentRelationship(const QString &relativeType, const QString &target)
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48 {
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49 addRelationship(schema_doc + relativeType, target);
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50 }
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51
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52 QList<XlsxRelationship> Relationships::msPackageRelationships(const QString &relativeType) const
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53 {
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54 return relationships(schema_msPackage + relativeType);
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55 }
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56
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57 void Relationships::addMsPackageRelationship(const QString &relativeType, const QString &target)
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58 {
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59 addRelationship(schema_msPackage + relativeType, target);
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60 }
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61
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62 QList<XlsxRelationship> Relationships::packageRelationships(const QString &relativeType) const
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63 {
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64 return relationships(schema_package + relativeType);
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65 }
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66
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67 void Relationships::addPackageRelationship(const QString &relativeType, const QString &target)
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68 {
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69 addRelationship(schema_package + relativeType, target);
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70 }
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71
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72 QList<XlsxRelationship> Relationships::worksheetRelationships(const QString &relativeType) const
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73 {
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74 return relationships(schema_doc + relativeType);
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75 }
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76
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77 void Relationships::addWorksheetRelationship(const QString &relativeType, const QString &target, const QString &targetMode)
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78 {
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79 addRelationship(schema_doc + relativeType, target, targetMode);
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80 }
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81
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82 QList<XlsxRelationship> Relationships::relationships(const QString &type) const
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83 {
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84 QList<XlsxRelationship> res;
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85 foreach (XlsxRelationship ship, m_relationships) {
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86 if (ship.type == type)
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87 res.append(ship);
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88 }
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89 return res;
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90 }
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91
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92 void Relationships::addRelationship(const QString &type, const QString &target, const QString &targetMode)
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93 {
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94 XlsxRelationship relation;
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95 relation.id = QStringLiteral("rId%1").arg(m_relationships.size()+1);
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96 relation.type = type;
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97 relation.target = target;
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98 relation.targetMode = targetMode;
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99
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100 m_relationships.append(relation);
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101 }
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102
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103 void Relationships::saveToXmlFile(QIODevice *device) const
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104 {
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105 QXmlStreamWriter writer(device);
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106
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107 writer.writeStartDocument(QStringLiteral("1.0"), true);
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108 writer.writeStartElement(QStringLiteral("Relationships"));
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109 writer.writeAttribute(QStringLiteral("xmlns"), QStringLiteral("http://schemas.openxmlformats.org/package/2006/relationships"));
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110 foreach (XlsxRelationship relation, m_relationships) {
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111 writer.writeStartElement(QStringLiteral("Relationship"));
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112 writer.writeAttribute(QStringLiteral("Id"), relation.id);
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113 writer.writeAttribute(QStringLiteral("Type"), relation.type);
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114 writer.writeAttribute(QStringLiteral("Target"), relation.target);
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115 if (!relation.targetMode.isNull())
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116 writer.writeAttribute(QStringLiteral("TargetMode"), relation.targetMode);
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117 writer.writeEndElement();
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118 }
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119 writer.writeEndElement();//Relationships
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120 writer.writeEndDocument();
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121 }
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122
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123 QByteArray Relationships::saveToXmlData() const
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124 {
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125 QByteArray data;
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126 QBuffer buffer(&data);
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127 buffer.open(QIODevice::WriteOnly);
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128 saveToXmlFile(&buffer);
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129
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130 return data;
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131 }
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132
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133 bool Relationships::loadFromXmlFile(QIODevice *device)
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134 {
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135 clear();
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136 QXmlStreamReader reader(device);
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137 while (!reader.atEnd()) {
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138 QXmlStreamReader::TokenType token = reader.readNext();
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139 if (token == QXmlStreamReader::StartElement) {
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140 if (reader.name() == QStringLiteral("Relationship")) {
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141 QXmlStreamAttributes attributes = reader.attributes();
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142 XlsxRelationship relationship;
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143 relationship.id = attributes.value(QLatin1String("Id")).toString();
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144 relationship.type = attributes.value(QLatin1String("Type")).toString();
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145 relationship.target = attributes.value(QLatin1String("Target")).toString();
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146 relationship.targetMode = attributes.value(QLatin1String("TargetMode")).toString();
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147 m_relationships.append(relationship);
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148 }
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149 }
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150
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151 if (reader.hasError())
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152 return false;
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153 }
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154 return true;
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155 }
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156
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157 bool Relationships::loadFromXmlData(const QByteArray &data)
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158 {
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159 QBuffer buffer;
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160 buffer.setData(data);
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161 buffer.open(QIODevice::ReadOnly);
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162 return loadFromXmlFile(&buffer);
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163 }
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164
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165 XlsxRelationship Relationships::getRelationshipById(const QString &id) const
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166 {
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167 foreach (XlsxRelationship ship, m_relationships) {
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168 if (ship.id == id)
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169 return ship;
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170 }
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171 return XlsxRelationship();
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172 }
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173
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174 void Relationships::clear()
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175 {
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176 m_relationships.clear();
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177 }
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178
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179 int Relationships::count() const
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180 {
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181 return m_relationships.count();
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182 }
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183
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184 bool Relationships::isEmpty() const
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185 {
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186 return m_relationships.isEmpty();
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187 }
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188
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189 } //namespace
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