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annotate src/xlsx/xlsxdocpropscore.cpp @ 1:93d3106bb9a4

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Add qt xlsx library
author Andre Heinecke <andre.heinecke@intevation.de>
date Tue, 22 Mar 2016 10:38:08 +0100
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93d3106bb9a4 Add qt xlsx library
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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 "xlsxdocpropscore_p.h"
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26
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27 #include <QXmlStreamWriter>
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28 #include <QXmlStreamReader>
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29 #include <QDir>
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30 #include <QFile>
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31 #include <QDateTime>
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32 #include <QDebug>
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33 #include <QBuffer>
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34
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35 namespace QXlsx {
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36
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37 DocPropsCore::DocPropsCore(CreateFlag flag)
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38 :AbstractOOXmlFile(flag)
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39 {
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40 }
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41
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42 bool DocPropsCore::setProperty(const QString &name, const QString &value)
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43 {
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44 static QStringList validKeys;
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45 if (validKeys.isEmpty()) {
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46 validKeys << QStringLiteral("title") << QStringLiteral("subject")
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47 << QStringLiteral("keywords") << QStringLiteral("description")
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48 << QStringLiteral("category") << QStringLiteral("status")
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49 << QStringLiteral("created") << QStringLiteral("creator");
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50 }
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51
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52 if (!validKeys.contains(name))
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53 return false;
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54
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55 if (value.isEmpty())
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56 m_properties.remove(name);
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57 else
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58 m_properties[name] = value;
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59
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60 return true;
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61 }
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62
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63 QString DocPropsCore::property(const QString &name) const
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64 {
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65 if (m_properties.contains(name))
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66 return m_properties[name];
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67
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68 return QString();
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69 }
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70
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71 QStringList DocPropsCore::propertyNames() const
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72 {
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73 return m_properties.keys();
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74 }
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75
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76 void DocPropsCore::saveToXmlFile(QIODevice *device) const
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77 {
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78 QXmlStreamWriter writer(device);
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79 const QString cp = QStringLiteral("http://schemas.openxmlformats.org/package/2006/metadata/core-properties");
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80 const QString dc = QStringLiteral("http://purl.org/dc/elements/1.1/");
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81 const QString dcterms = QStringLiteral("http://purl.org/dc/terms/");
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82 const QString dcmitype = QStringLiteral("http://purl.org/dc/dcmitype/");
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83 const QString xsi = QStringLiteral("http://www.w3.org/2001/XMLSchema-instance");
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84 writer.writeStartDocument(QStringLiteral("1.0"), true);
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85 writer.writeStartElement(QStringLiteral("cp:coreProperties"));
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86 writer.writeNamespace(cp, QStringLiteral("cp"));
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87 writer.writeNamespace(dc, QStringLiteral("dc"));
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88 writer.writeNamespace(dcterms, QStringLiteral("dcterms"));
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89 writer.writeNamespace(dcmitype, QStringLiteral("dcmitype"));
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90 writer.writeNamespace(xsi, QStringLiteral("xsi"));
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91
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92 if (m_properties.contains(QStringLiteral("title")))
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93 writer.writeTextElement(dc, QStringLiteral("title"), m_properties[QStringLiteral("title")]);
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94
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95 if (m_properties.contains(QStringLiteral("subject")))
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96 writer.writeTextElement(dc, QStringLiteral("subject"), m_properties[QStringLiteral("subject")]);
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97
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98 writer.writeTextElement(dc, QStringLiteral("creator"), m_properties.contains(QStringLiteral("creator")) ? m_properties[QStringLiteral("creator")] : QStringLiteral("Qt Xlsx Library"));
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99
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100 if (m_properties.contains(QStringLiteral("keywords")))
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101 writer.writeTextElement(cp, QStringLiteral("keywords"), m_properties[QStringLiteral("keywords")]);
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102
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103 if (m_properties.contains(QStringLiteral("description")))
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104 writer.writeTextElement(dc, QStringLiteral("description"), m_properties[QStringLiteral("description")]);
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105
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106 writer.writeTextElement(cp, QStringLiteral("lastModifiedBy"), m_properties.contains(QStringLiteral("creator")) ? m_properties[QStringLiteral("creator")] : QStringLiteral("Qt Xlsx Library"));
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107
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108 writer.writeStartElement(dcterms, QStringLiteral("created"));
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109 writer.writeAttribute(xsi, QStringLiteral("type"), QStringLiteral("dcterms:W3CDTF"));
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110 writer.writeCharacters(m_properties.contains(QStringLiteral("created")) ? m_properties[QStringLiteral("created")] : QDateTime::currentDateTime().toString(Qt::ISODate));
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111 writer.writeEndElement();//dcterms:created
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112
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113 writer.writeStartElement(dcterms, QStringLiteral("modified"));
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114 writer.writeAttribute(xsi, QStringLiteral("type"), QStringLiteral("dcterms:W3CDTF"));
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115 writer.writeCharacters(QDateTime::currentDateTime().toString(Qt::ISODate));
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116 writer.writeEndElement();//dcterms:created
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117
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118 if (m_properties.contains(QStringLiteral("category")))
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119 writer.writeTextElement(cp, QStringLiteral("category"), m_properties[QStringLiteral("category")]);
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120
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121 if (m_properties.contains(QStringLiteral("status")))
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122 writer.writeTextElement(cp, QStringLiteral("contentStatus"), m_properties[QStringLiteral("status")]);
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123
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124 writer.writeEndElement(); //cp:coreProperties
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125 writer.writeEndDocument();
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126 }
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127
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128 bool DocPropsCore::loadFromXmlFile(QIODevice *device)
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129 {
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130 QXmlStreamReader reader(device);
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131
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132 const QString cp = QStringLiteral("http://schemas.openxmlformats.org/package/2006/metadata/core-properties");
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133 const QString dc = QStringLiteral("http://purl.org/dc/elements/1.1/");
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134 const QString dcterms = QStringLiteral("http://purl.org/dc/terms/");
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135
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136 while (!reader.atEnd()) {
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137 QXmlStreamReader::TokenType token = reader.readNext();
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138 if (token == QXmlStreamReader::StartElement) {
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139 const QStringRef nsUri = reader.namespaceUri();
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140 const QStringRef name = reader.name();
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141 if (name == QStringLiteral("subject") && nsUri == dc) {
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142 setProperty(QStringLiteral("subject"), reader.readElementText());
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143 } else if (name == QStringLiteral("title") && nsUri == dc) {
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144 setProperty(QStringLiteral("title"), reader.readElementText());
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145 } else if (name == QStringLiteral("creator") && nsUri == dc) {
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146 setProperty(QStringLiteral("creator"), reader.readElementText());
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147 } else if (name == QStringLiteral("description") && nsUri == dc) {
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148 setProperty(QStringLiteral("description"), reader.readElementText());
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149 } else if (name == QStringLiteral("keywords") && nsUri == cp) {
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150 setProperty(QStringLiteral("keywords"), reader.readElementText());
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151 } else if (name == QStringLiteral("created") && nsUri == dcterms) {
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152 setProperty(QStringLiteral("created"), reader.readElementText());
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153 } else if (name == QStringLiteral("category") && nsUri == cp) {
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154 setProperty(QStringLiteral("category"), reader.readElementText());
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155 } else if (name == QStringLiteral("contentStatus") && nsUri == cp) {
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156 setProperty(QStringLiteral("status"), reader.readElementText());
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157 }
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158 }
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159
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160 if (reader.hasError()) {
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161 qDebug()<<"Error when read doc props core file."<<reader.errorString();
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162
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163 }
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164 }
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165 return true;
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166 }
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167
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168 } //namespace
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