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1
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1 /****************************************************************************
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2 **
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3 ** Copyright (C) 1992-2008 Nokia. All rights reserved.
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4 **
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5 ** This file is part of Qt Jambi.
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6 **
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7 ** * Commercial Usage
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8 * Licensees holding valid Qt Commercial licenses may use this file in
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9 * accordance with the Qt Commercial License Agreement provided with the
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10 * Software or, alternatively, in accordance with the terms contained in
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11 * a written agreement between you and Nokia.
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12 *
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13 *
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14 * GNU General Public License Usage
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15 * Alternatively, this file may be used under the terms of the GNU
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16 * General Public License versions 2.0 or 3.0 as published by the Free
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17 * Software Foundation and appearing in the file LICENSE.GPL included in
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18 * the packaging of this file. Please review the following information
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19 * to ensure GNU General Public Licensing requirements will be met:
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20 * http://www.fsf.org/licensing/licenses/info/GPLv2.html and
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21 * http://www.gnu.org/copyleft/gpl.html. In addition, as a special
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22 * exception, Nokia gives you certain additional rights. These rights
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23 * are described in the Nokia Qt GPL Exception version 1.2, included in
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24 * the file GPL_EXCEPTION.txt in this package.
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25 *
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26 * Qt for Windows(R) Licensees
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27 * As a special exception, Nokia, as the sole copyright holder for Qt
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28 * Designer, grants users of the Qt/Eclipse Integration plug-in the
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29 * right for the Qt/Eclipse Integration to link to functionality
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30 * provided by Qt Designer and its related libraries.
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31 *
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32 *
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33 * If you are unsure which license is appropriate for your use, please
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34 * contact the sales department at qt-sales@nokia.com.
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35
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36 **
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37 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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38 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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39 **
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40 ****************************************************************************/
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41
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42 #include "uiconverter.h"
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43 #include "metajava.h"
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44
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45 #include "reporthandler.h"
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46
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47 #include <QtCore/QFileInfo>
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48 #include <QtXml/QDomDocument>
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49
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50 void UiConverter::convertToJui(const QString &uiFile, const QString &customWidgetFiles)
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51 {
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52 ReportHandler::setContext(QLatin1String("UiConverter to .jui"));
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53
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54 traverseCustomWidgets(customWidgetFiles);
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55
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56 QFileInfo fileInfo(uiFile);
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57
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58 if (!fileInfo.exists()) {
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59 ReportHandler::warning(QString::fromLatin1("Ui File %1 doesn't exist...\n").arg(uiFile));
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60 return;
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61 }
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62
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63 if (fileInfo.suffix() != QLatin1String("ui")) {
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64 ReportHandler::warning(QString::fromLatin1("File doesn't have .ui extension: %1")
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65 .arg(uiFile));
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66 return;
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67 }
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68
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69 QString juiFile = fileInfo.absolutePath() + QLatin1Char('/') + fileInfo.baseName()
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70 + QLatin1String(".jui");
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71
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72 QFile inputFile(uiFile);
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73
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74 if (!inputFile.open(QFile::ReadOnly | QFile::Text)) {
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75 ReportHandler::warning(QString::fromLatin1("Could not open '%1' for reading").arg(uiFile));
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76 return;
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77 }
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78
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79 QDomDocument dom;
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80 QString error;
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81 if (!dom.setContent(&inputFile, false, &error)) {
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82 ReportHandler::warning(QString::fromLatin1("Xml loading %1 failed: %2")
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83 .arg(uiFile).arg(error));
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84 inputFile.close();
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85 return;
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86 }
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87 inputFile.close();
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88
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89 QDomNodeList customWidgets = dom.documentElement().elementsByTagName("customwidget");
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90 for (int i=0; i<customWidgets.size(); ++i) {
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91 QDomNode customWidget = customWidgets.at(i);
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92
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93 QDomElement el = customWidget.toElement();
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94 fixCustomWidgetNode(el, &dom);
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95 }
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96
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97 traverse(dom.documentElement(), &dom);
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98
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99 QFile outputFile(juiFile);
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100 if (!outputFile.open(QFile::WriteOnly | QFile::Text)) {
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101 ReportHandler::warning(QString::fromLatin1("Could not open '%1' for writing")
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102 .arg(juiFile));
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103 return;
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104 }
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105
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106 outputFile.write(dom.toByteArray());
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107 outputFile.close();
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108 }
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109
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110 void UiConverter::traverseCustomWidgetFile(const QString &customWidgetFile)
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111 {
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112 if (customWidgetFile.isEmpty())
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113 return;
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114
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115 QFile file(customWidgetFile);
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116 if (!file.open(QIODevice::ReadOnly)) {
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117 ReportHandler::warning("Can't read custom widget file '"
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118 + customWidgetFile
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119 + "'");
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120 return;
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121 }
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122
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123 QXmlStreamReader reader(&file);
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124 while (!reader.atEnd()) {
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125 reader.readNext();
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126 if (reader.isStartElement() && reader.name() == "qt-jambi-custom-widget") {
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127 QXmlStreamAttributes attributes = reader.attributes();
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128 QString className = attributes.value("class").toString();
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129
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130 int pos = className.lastIndexOf(".");
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131 m_custom_widgets.insertMulti(className.mid(pos+1), CustomWidget(className, 0));
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132 }
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133 }
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134
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135 if (reader.hasError()) {
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136 ReportHandler::warning("Error when parsing custom widget file '"
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137 + customWidgetFile
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138 + "': "
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139 + reader.errorString());
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140 }
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141 }
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142
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143 void UiConverter::traverseCustomWidgets(const QString &customWidgetFiles)
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144 {
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145 #ifdef Q_OS_WIN32
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146 char separator = ';';
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147 #else
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148 char separator = ':';
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149 #endif
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150
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151 QStringList customWidgets = customWidgetFiles.split(separator);
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152 foreach (QString customWidget, customWidgets)
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153 traverseCustomWidgetFile(customWidget);
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154 }
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155
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156 void UiConverter::traverse(QDomNode node, QDomDocument *doc)
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157 {
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158 if (node.isNull())
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159 return;
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160
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161 QDomElement element = node.toElement();
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162 if (!element.isNull()) {
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163 if (element.nodeName() == QLatin1String("ui"))
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164 fixUiNode(element, doc);
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165 else if (element.nodeName() == QLatin1String("set"))
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166 fixSetNode(element, doc);
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167 else if (element.nodeName() == QLatin1String("enum"))
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168 fixEnumNode(element, doc);
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169 else if (element.nodeName() == QLatin1String("connection"))
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170 fixConnectionNode(element, doc);
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171 else if (element.nodeName() == QLatin1String("widget"))
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172 fixWidgetNode(element, doc);
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173 }
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174
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175 QDomNodeList list = node.childNodes();
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176 for (int i=0; i<list.size(); ++i)
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177 traverse(list.at(i), doc);
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178 }
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179
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180
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181 void UiConverter::fixUiNode(QDomElement el, QDomDocument *)
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182 {
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183 el.setAttribute("language", "jambi");
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184 }
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185
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186 void UiConverter::fixCustomWidgetNode(QDomElement el, QDomDocument *)
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187 {
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188 QDomNodeList classes = el.elementsByTagName("class");
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189 if (classes.size() < 1) {
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190 ReportHandler::warning("Custom widget missing 'class' child");
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191 return;
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192 }
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193
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194 QDomNodeList extendss = el.elementsByTagName("extends");
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195 if (extendss.size() < 1) {
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196 ReportHandler::warning("Custom widget missing 'extends' child");
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197 return;
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198 }
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199
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200 QString className = classes.at(0).toElement().text();
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201 QString extends = extendss.at(0).toElement().text();
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202
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203 AbstractMetaClass *javaClass = m_java_classes.findClass(extends);
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204 if (javaClass == 0) {
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205 ReportHandler::warning("Couldn't find super class for custom widget: '" + extends + "'");
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206 return;
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207 }
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208
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209 QList<CustomWidget> fullNames = m_custom_widgets.values(className);
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210 if (fullNames.size() == 0) {
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211 ReportHandler::warning("Couldn't find custom widget entry for '" + className + "'."
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212 " You need to specify this class in a custom widget file and"
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213 " pass the file name on the command line using the --custom-widgets option.");
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214 return;
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215 }
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216
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217 if (fullNames.size() > 1) {
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218 ReportHandler::warning("More than custom widget type matching '" + className + "'. "
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219 + "Will use first seen entry: '" + fullNames.at(0).first + "'");
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220 }
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221
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222 QString fullName = fullNames.at(0).first;
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223 classes.at(0).namedItem("#text").toText().setData(fullName);
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224
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225 QMap<QString, CustomWidget>::iterator it;
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226 for (it=m_custom_widgets.begin(); it!=m_custom_widgets.end(); ++it) {
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227 if (it.key() == className)
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228 (*it).second = javaClass;
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229 }
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230 }
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231
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232 void UiConverter::fixSetNode(QDomElement el, QDomDocument *)
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233 {
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234 QStringList cppSet = el.firstChild().nodeValue().split(QLatin1Char('|'));
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235
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236 QStringList javaSet;
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237 for (int i=0; i<cppSet.size(); ++i)
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238 javaSet << translateEnumValue(cppSet.at(i));
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239
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240 el.firstChild().setNodeValue(javaSet.join(QLatin1String("|")));
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241 }
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242
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243
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244 void UiConverter::fixEnumNode(QDomElement el, QDomDocument *)
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245 {
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246 QDomNode valueNode = el.firstChild();
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247 if (valueNode.isNull()) {
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248 ReportHandler::warning(QString::fromLatin1("Bad enum value at '%1'").arg(el.nodeValue()));
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249 return;
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250 }
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251
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252 QString cppEnumValue = valueNode.nodeValue();
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253 QString javaEnumValue = translateEnumValue(cppEnumValue);
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254 valueNode.setNodeValue(javaEnumValue);
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255 }
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256
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257
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258 void UiConverter::fixConnectionNode(QDomElement el, QDomDocument *)
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259 {
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260 QString senderName = el.namedItem("sender").firstChild().nodeValue();
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261 AbstractMetaClass *senderClass = m_named_widgets[senderName];
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262 if (!senderClass) {
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263 ReportHandler::warning(QString::fromLatin1("sender unknown '%1'").arg(senderName));
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264 return;
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265 }
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266 QDomNode signalSignatureNode = el.namedItem("signal").toElement().firstChild();
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267 QString signalSignature = signalSignatureNode.nodeValue();
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268 const AbstractMetaFunction *signalFunction = findFunction(senderClass,
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269 signalSignature,
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270 SignalSearch);
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271 if (!signalFunction) {
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272 ReportHandler::warning(QString::fromLatin1("Signal not found '%1' in '%2'")
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273 .arg(signalSignature).arg(senderClass->qualifiedCppName()));
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274 return;
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275 }
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276 signalSignatureNode.setNodeValue(signalFunction->modifiedName());
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277
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278 QString receiverName = el.namedItem("receiver").firstChild().nodeValue();
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279 AbstractMetaClass *receiverClass = m_named_widgets[receiverName];
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280 if (!receiverClass) {
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281 ReportHandler::warning(QString::fromLatin1("receiver unknown '%1'").arg(receiverName));
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282 return;
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283 }
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284
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285 QDomNode slotSignatureNode = el.namedItem("slot").firstChild();
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286 QString slotSignature = slotSignatureNode.nodeValue();
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287 const AbstractMetaFunction *slotFunction = findFunction(receiverClass, slotSignature, SlotSearch);
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288 if (!signalFunction) {
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289 ReportHandler::warning(QString::fromLatin1("Slot not found '%1' in '%2'")
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290 .arg(slotSignature).arg(receiverClass->qualifiedCppName()));
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291 return;
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292 }
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293
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294 slotSignatureNode.setNodeValue(slotFunction->targetLangSignature(true));
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295 }
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296
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297
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298 void UiConverter::fixWidgetNode(QDomElement el, QDomDocument *)
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299 {
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300 QString className = el.attribute(QLatin1String("class"));
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301 QList<CustomWidget> customWidgetNames = m_custom_widgets.values(className);
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302 QString customWidgetName = customWidgetNames.size() > 0 ? customWidgetNames.at(0).first : QString();
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303
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304 AbstractMetaClass *javaClass = customWidgetName.isEmpty() ? m_java_classes.findClass(className) : customWidgetNames.at(0).second;
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305 if (!javaClass) {
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306 ReportHandler::warning(QString::fromLatin1("Class '%1' is unknown").arg(className));
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307 return;
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308 }
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309
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310 if (!customWidgetName.isEmpty())
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311 el.setAttribute(QLatin1String("class"), customWidgetName);
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312 else if (javaClass->package() != QLatin1String("qt.gui"))
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313 el.setAttribute(QLatin1String("class"), javaClass->fullName());
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314
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315 m_named_widgets.insert(el.attribute(QLatin1String("name")), javaClass);
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316 }
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317
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318
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319 QString UiConverter::translateEnumValue(const QString &cppEnumValue) {
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320 if (!cppEnumValue.contains(QLatin1String("::"))) {
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321 ReportHandler::warning(QString::fromLatin1("Expected '::' in enum value '%1'")
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322 .arg(cppEnumValue));
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323 return QString();
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324 }
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325
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326 QStringList names = cppEnumValue.split(QLatin1String("::"));
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327 AbstractMetaClass *javaClass = m_java_classes.findClass(names.at(0));
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328
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329 if (!javaClass) {
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330 ReportHandler::warning(QString::fromLatin1("Class '%1' is unknown").arg(names.at(0)));
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331 return QString();
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332 }
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333
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334 AbstractMetaEnum *javaEnum = javaClass->findEnumForValue(names.at(1));
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335 if (!javaEnum) {
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336 ReportHandler::warning(QString::fromLatin1("Enum value '%1' was not found in '%2'")
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337 .arg(names.at(1)).arg(names.at(0)));
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338 return QString();
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339 }
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340
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341 AbstractMetaEnumValueList enumValues = javaEnum->values();
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342 AbstractMetaEnumValue *enumValue = enumValues.find(names.at(1));
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343 int value = enumValue->value();
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344
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345 if (javaEnum->typeEntry()->isEnumValueRejected(enumValue->name())) {
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346 for (int i=0; i<enumValues.size(); ++i) {
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347 AbstractMetaEnumValue *ev = enumValues.at(i);
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348 if (ev->value() == value) {
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349 enumValue = ev;
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350 break;
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351 }
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352 }
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353 }
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354
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355 return javaEnum->fullName() + QLatin1String(".") + enumValue->name();
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356 }
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357
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358 const AbstractMetaFunction *UiConverter::findFunction(AbstractMetaClass *javaClass,
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359 const QString &signature,
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360 SearchType type)
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361 {
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362 AbstractMetaFunctionList senderFunctions = javaClass->functions();
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363 foreach (const AbstractMetaFunction *f, senderFunctions) {
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364 if (type == SignalSearch && !f->isSignal())
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365 continue;
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366
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367 QString fsig = f->minimalSignature();
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368
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369
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370 int pos = 0;
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371 while (pos < signature.length()
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372 && fsig.constData()[pos] == signature.constData()[pos]) ++pos;
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373
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374 if (pos == signature.length()
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375 || (type == SignalSearch
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376 && pos == signature.length() - 1
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377 && signature.constData()[pos] == QLatin1Char(')'))) {
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378 return f;
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379 }
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380 }
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381
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382 return 0;
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383 }
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