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/****************************************************************************
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**
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** Copyright (C) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the Qt Script Generator project on Qt Labs.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "setupgenerator.h"
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#include "shellgenerator.h"
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#include "reporthandler.h"
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#include "fileout.h"
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//#define Q_SCRIPT_LAZY_GENERATOR
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void SetupGenerator::addClass(const QString& package, const AbstractMetaClass *cls)
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{
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packHash[package].append(cls);
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}
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void maybeDeclareMetaType(QTextStream &stream, const QString &typeName,
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QSet<QString> ®isteredTypeNames);
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bool hasDefaultConstructor(const AbstractMetaClass *meta_class);
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static QStringList getOperatorCodes(const AbstractMetaClass* cls) {
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QSet<QString> operatorCodes;
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AbstractMetaFunctionList returned;
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AbstractMetaFunctionList functions = cls->functions();
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foreach (AbstractMetaFunction *function, functions) {
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if (function->originalName().startsWith("operator")) {
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QString op = function->originalName().mid(8);
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operatorCodes.insert(op);
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}
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}
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QSet<QString> r;
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foreach(QString op, operatorCodes.toList()) {
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if (op == ">" || op == "<" || op == ">=" || op == "<=" || op == "==" || op == "!=") {
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r.insert("PythonQt::Type_RichCompare");
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} else if (op == "+") {
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r.insert("PythonQt::Type_Add");
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} else if (op == "-") {
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r.insert("PythonQt::Type_Subtract");
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} else if (op == "/") {
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r.insert("PythonQt::Type_Divide");
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} else if (op == "*") {
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r.insert("PythonQt::Type_Multiply");
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} else if (op == "%") {
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r.insert("PythonQt::Type_Mod");
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} else if (op == "&") {
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r.insert("PythonQt::Type_And");
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} else if (op == "|") {
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r.insert("PythonQt::Type_Or");
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} else if (op == "^") {
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r.insert("PythonQt::Type_Xor");
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} else if (op == "~") {
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r.insert("PythonQt::Type_Invert");
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} else if (op == "+=") {
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r.insert("PythonQt::Type_InplaceAdd");
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} else if (op == "-=") {
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r.insert("PythonQt::Type_InplaceSubtract");
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} else if (op == "/=") {
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r.insert("PythonQt::Type_InplaceDivide");
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} else if (op == "*=") {
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r.insert("PythonQt::Type_InplaceMultiply");
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} else if (op == "%=") {
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r.insert("PythonQt::Type_InplaceMod");
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} else if (op == "&=") {
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r.insert("PythonQt::Type_InplaceAnd");
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} else if (op == "|=") {
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r.insert("PythonQt::Type_InplaceOr");
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} else if (op == "^=") {
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r.insert("PythonQt::Type_InplaceXor");
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}
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}
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if (cls->hasDefaultIsNull()) {
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r.insert("PythonQt::Type_NonZero");
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}
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QStringList result = r.toList();
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return result;
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}
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static bool class_less_than(const AbstractMetaClass *a, const AbstractMetaClass *b)
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{
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return a->name() < b->name();
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}
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void SetupGenerator::generate()
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{
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AbstractMetaClassList classes_with_polymorphic_id;
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{
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QHashIterator<QString, QList<const AbstractMetaClass*> > pack(packHash);
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while (pack.hasNext()) {
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pack.next();
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QList<const AbstractMetaClass*> list = pack.value();
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foreach (const AbstractMetaClass *cls, list) {
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if (cls->typeEntry()->isPolymorphicBase()) {
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classes_with_polymorphic_id.append((AbstractMetaClass*)cls);
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}
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}
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}
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}
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qSort(classes_with_polymorphic_id.begin(), classes_with_polymorphic_id.end(), class_less_than);
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QHashIterator<QString, QList<const AbstractMetaClass*> > pack(packHash);
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while (pack.hasNext()) {
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pack.next();
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QList<const AbstractMetaClass*> list = pack.value();
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if (list.isEmpty())
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continue;
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qSort(list.begin(), list.end(), class_less_than);
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QString packKey = pack.key();
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QString packName = pack.key();
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QStringList components = packName.split("_");
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if ((components.size() > 2) && (components.at(0) == "com")
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&& (components.at(1) == "trolltech")) {
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// kill com.trolltech in key
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components.removeAt(0);
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components.removeAt(0);
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}
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QString shortPackName;
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foreach (QString comp, components) {
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comp[0] = comp[0].toUpper();
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shortPackName += comp;
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}
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// add missing camel case (workaround..)
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if (shortPackName == "QtWebkit") {
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shortPackName = "QtWebKit";
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} else if (shortPackName == "QtXmlpatterns") {
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shortPackName = "QtXmlPatterns";
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} else if (shortPackName == "QtOpengl") {
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shortPackName = "QtOpenGL";
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} else if (shortPackName == "QtUitools") {
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shortPackName = "QtUiTools";
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}
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{
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QString fileName(packName + "/" + packKey + "_init.cpp");
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FileOut initFile(m_out_dir + "/generated_cpp/" + fileName);
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ReportHandler::debugSparse(QString("generating: %1").arg(fileName));
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QTextStream &s = initFile.stream;
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s << "#include <PythonQt.h>" << endl;
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for (int i=0; i<(list.count()+MAX_CLASSES_PER_FILE-1) / MAX_CLASSES_PER_FILE; i++) {
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s << "#include \"" << packKey << QString::number(i) << ".h\"" << endl;
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}
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s << endl;
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QStringList polymorphicHandlers;
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if (!packName.endsWith("_builtin")) {
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polymorphicHandlers = writePolymorphicHandler(s, list.at(0)->package(), classes_with_polymorphic_id, list);
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s << endl;
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}
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// declare individual class creation functions
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s << "void PythonQt_init_" << shortPackName << "(PyObject* module) {" << endl;
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if (shortPackName.endsWith("Builtin")) {
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shortPackName = shortPackName.mid(0, shortPackName.length()-strlen("builtin"));
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}
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QStringList cppClassNames;
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foreach (const AbstractMetaClass *cls, list) {
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QString shellCreator;
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if (cls->generateShellClass()) {
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shellCreator = ", PythonQtSetInstanceWrapperOnShell<" + ShellGenerator::shellClassName(cls) + ">";
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} else {
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shellCreator = ", NULL";
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}
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QString operatorCodes = getOperatorCodes(cls).join("|");
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if (operatorCodes.isEmpty()) {
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operatorCodes = "0";
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}
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if (cls->isQObject()) {
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s << "PythonQt::priv()->registerClass(&" << cls->qualifiedCppName() << "::staticMetaObject, \"" << shortPackName <<"\", PythonQtCreateObject<PythonQtWrapper_" << cls->name() << ">" << shellCreator << ", module, " << operatorCodes <<");" << endl;
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} else {
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QString baseName = cls->baseClass()?cls->baseClass()->qualifiedCppName():"";
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s << "PythonQt::priv()->registerCPPClass(\""<< cls->qualifiedCppName() << "\", \"" << baseName << "\", \"" << shortPackName <<"\", PythonQtCreateObject<PythonQtWrapper_" << cls->name() << ">" << shellCreator << ", module, " << operatorCodes <<");" << endl;
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}
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foreach(AbstractMetaClass* interface, cls->interfaces()) {
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// the interface might be our own class... (e.g. QPaintDevice)
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if (interface->qualifiedCppName() != cls->qualifiedCppName()) {
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s << "PythonQt::self()->addParentClass(\""<< cls->qualifiedCppName() << "\", \"" << interface->qualifiedCppName() << "\",PythonQtUpcastingOffset<" << cls->qualifiedCppName() <<","<<interface->qualifiedCppName()<<">());" << endl;
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}
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}
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}
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s << endl;
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foreach (QString handler, polymorphicHandlers) {
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s << "PythonQt::self()->addPolymorphicHandler(\""<< handler << "\", polymorphichandler_" << handler << ");" << endl;
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}
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s << "}";
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s << endl;
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}
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}
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}
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QStringList SetupGenerator::writePolymorphicHandler(QTextStream &s, const QString &package,
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const AbstractMetaClassList &polybase, QList<const AbstractMetaClass*>& allClasses)
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{
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QStringList handlers;
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foreach (AbstractMetaClass *cls, polybase) {
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const ComplexTypeEntry *centry = cls->typeEntry();
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if (!centry->isPolymorphicBase())
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continue;
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bool isGraphicsItem = (cls->qualifiedCppName()=="QGraphicsItem");
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bool first = true;
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foreach (const AbstractMetaClass *clazz, allClasses) {
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bool inherits = false;
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if (isGraphicsItem) {
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foreach(AbstractMetaClass* interfaze, clazz->interfaces()) {
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if (interfaze->qualifiedCppName()=="QGraphicsItem") {
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inherits = true;
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break;
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}
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}
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} else {
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inherits = clazz->inheritsFrom(cls);
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}
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if (clazz->package() == package && inherits) {
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if (!clazz->typeEntry()->polymorphicIdValue().isEmpty() || isGraphicsItem) {
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// On first find, open the function
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if (first) {
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first = false;
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QString handler = cls->name();
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handlers.append(handler);
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s << "static void* polymorphichandler_" << handler
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<< "(const void *ptr, const char **class_name)" << endl
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<< "{" << endl
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<< " Q_ASSERT(ptr != 0);" << endl
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<< " " << cls->qualifiedCppName() << " *object = ("
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<< cls->qualifiedCppName() << " *)ptr;" << endl;
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}
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// For each, add case label
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QString polyId = clazz->typeEntry()->polymorphicIdValue();
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if (isGraphicsItem) {
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polyId = "%1->type() == " + clazz->qualifiedCppName() + "::Type";
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}
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s << " if ("
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<< polyId.replace("%1", "object")
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<< ") {" << endl
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<< " *class_name = \"" << clazz->name() << "\";" << endl
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<< " return (" << clazz->qualifiedCppName() << "*)object;" << endl
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<< " }" << endl;
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} else {
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QString warning = QString("class '%1' inherits from polymorphic class '%2', but has no polymorphic id set")
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.arg(clazz->name())
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.arg(cls->name());
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ReportHandler::warning(warning);
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}
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}
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}
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// Close the function if it has been opened
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if (!first) {
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s << " return NULL;" << endl
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<< "}" << endl;
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}
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}
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return handlers;
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}
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