author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 04 Oct 2010 00:29:21 +0300 | |
changeset 13 | 8f58c9334c71 |
child 15 | 5ea3798f1248 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Lesser General Public License as published by |
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* the Free Software Foundation, version 2.1 of the License. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public License |
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* along with this program. If not, |
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* see "http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html/". |
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* |
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*/ |
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#include <QXmlStreamReader> |
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#include <QIODevice> |
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#include <QList> |
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|
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#include "xbelreader.h" |
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#include "BookmarksManager.h" |
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|
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XbelReader::XbelReader(BookmarksManager *bmgr) : |
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m_bmgr(bmgr), m_xml(new QXmlStreamReader) |
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{ |
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} |
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XbelReader::~XbelReader() { |
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if(m_xml) delete m_xml; |
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} |
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bool XbelReader::read(QIODevice *device) |
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{ |
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if(!device) { |
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m_xml->raiseError(QObject::tr("Invalid Device passed into XBEL Reader.")); |
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} |
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if(!m_bmgr) { |
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m_xml->raiseError(QObject::tr("Invalid BookmarkManager passed into XBEL Reader.")); |
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} else { |
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m_xml->setDevice(device); |
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if(m_xml->readNextStartElement()) { |
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if(m_xml->name() == "xbel" && |
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m_xml->attributes().value("version") == "1.0") |
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readXBEL(); |
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else |
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m_xml->raiseError(QObject::tr("The file is not an XBEL version 1.0 file.")); |
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} else |
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m_xml->raiseError(QObject::tr("The file is not an XBEL version 1.0 file.")); |
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} |
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|
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return !m_xml->error(); |
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} |
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/** |
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* This function should be called before reading any xml elements |
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* It attempts to validate that the file being read is actually an |
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* xbel file. |
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* @return whether the file is an XBEL file. |
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*/ |
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bool XbelReader::isValidXbel() |
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{ |
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// The xbel element must exist and must be version 1.0 |
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return true; |
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} |
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QString XbelReader::errorString() const |
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{ |
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return QObject::tr("%1\nLine %2, column %3") |
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.arg(m_xml->errorString()) |
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.arg(m_xml->lineNumber()) |
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.arg(m_xml->columnNumber()); |
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} |
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void XbelReader::readXBEL() |
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{ |
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QString folder = ""; |
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QList<QString> folders; |
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while (m_xml->readNextStartElement()) { |
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if (m_xml->name() == "folder") |
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readFolder(folders); |
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else if (m_xml->name() == "bookmark") |
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readBookmark(folders); |
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else |
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m_xml->skipCurrentElement(); |
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} |
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} |
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|
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QString XbelReader::readFolder(QList<QString>& parentFolders) |
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{ |
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QString folderName = ""; |
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while (m_xml->readNextStartElement()) { |
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if (m_xml->name() == "title") |
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folderName = m_xml->readElementText(); |
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else if (m_xml->name() == "folder") { |
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QList<QString> folders; |
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folders = folders + parentFolders; |
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if(!folderName.isEmpty()) |
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folders.append(folderName); |
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103 |
readFolder(folders); |
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} else if (m_xml->name() == "bookmark") { |
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105 |
QList<QString> folders; |
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folders = folders + parentFolders; |
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if(!folderName.isEmpty()) |
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folders.append(folderName); |
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109 |
readBookmark(folders); |
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} else |
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m_xml->skipCurrentElement(); |
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112 |
} |
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return folderName; |
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} |
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115 |
|
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void XbelReader::readBookmark(QList<QString>& parentFolders) |
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117 |
{ |
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QXmlStreamAttributes attrs = m_xml->attributes(); |
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119 |
|
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// if there is no URL attribute skip this bookmark. |
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if(!attrs.hasAttribute("href")) { |
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m_xml->skipCurrentElement(); |
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123 |
return; |
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} |
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125 |
|
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QString url = attrs.value("href").toString(); |
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QString title = "Untitled"; |
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QString desc = ""; |
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QList<QString> tags; |
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tags = tags + parentFolders; |
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131 |
|
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while (m_xml->readNextStartElement()) { |
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if (m_xml->name() == "title") |
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title = m_xml->readElementText(); |
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else if(m_xml->name() == "desc") |
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desc = m_xml->readElementText(); |
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else if(m_xml->name() == "info") |
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138 |
readInfo(tags); |
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139 |
else |
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m_xml->skipCurrentElement(); |
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141 |
} |
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142 |
|
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143 |
int bmID = m_bmgr->addBookmark(title, url); |
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144 |
if (bmID > 0) { |
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145 |
QList<QString>::iterator iter; |
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146 |
for (iter = tags.begin(); iter != tags.end(); ++iter) |
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m_bmgr->addTag(bmID, *iter); |
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148 |
} |
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149 |
} |
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150 |
|
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151 |
/** |
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152 |
* Reads the info element. |
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* @param tags - A reference to a list of string tags |
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154 |
*/ |
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155 |
void XbelReader::readInfo(QList<QString>& tags) |
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156 |
{ |
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157 |
QString owner = "http://www.nokia.com"; |
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158 |
while(m_xml->readNextStartElement()) { |
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159 |
if(m_xml->name() == "metadata") |
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160 |
readMetadata(tags, owner); |
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161 |
else |
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162 |
m_xml->skipCurrentElement(); |
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163 |
} |
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164 |
} |
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|
165 |
|
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166 |
/** |
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167 |
* This function reads the metadata XBEL tag. |
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168 |
* @param tags - A reference to a list of strings. This is passed into |
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169 |
* readTags. |
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170 |
* @param owner - A reference to the owner string. This is to allow for |
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171 |
* future support for this attribute. |
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172 |
*/ |
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173 |
void XbelReader::readMetadata(QList<QString>& tags, QString &owner) |
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174 |
{ |
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|
175 |
if(m_xml->attributes().hasAttribute("owner")) |
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|
176 |
owner = m_xml->attributes().value("owner").toString(); |
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177 |
while(m_xml->readNextStartElement()) { |
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|
178 |
if(m_xml->name() == "tags") |
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|
179 |
readTags(tags); |
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180 |
else |
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181 |
m_xml->skipCurrentElement(); |
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182 |
} |
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|
183 |
|
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184 |
} |
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|
185 |
|
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186 |
/** |
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187 |
* Reads the tags and tag attributes, adding all tags found to |
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188 |
* the list of string tags passed into the function. |
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189 |
* @param tags - Reference to a list of string tags. |
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190 |
*/ |
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191 |
void XbelReader::readTags(QList<QString>& tags) |
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|
192 |
{ |
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|
193 |
while(m_xml->readNextStartElement()) { |
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194 |
if(m_xml->name() == "tag") |
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195 |
tags.append(m_xml->readElementText()); |
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196 |
else |
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197 |
m_xml->skipCurrentElement(); |
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198 |
} |
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|
199 |
|
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200 |
} |
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201 |