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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 "shellheadergenerator.h"
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#include "fileout.h"
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#include <QtCore/QDir>
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#include <qdebug.h>
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QString ShellHeaderGenerator::fileNameForClass(const AbstractMetaClass *meta_class) const
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{
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return QString("PythonQtWrapper_%1.h").arg(meta_class->name());
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}
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void ShellHeaderGenerator::writeFieldAccessors(QTextStream &s, const AbstractMetaField *field)
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{
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const AbstractMetaFunction *setter = field->setter();
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const AbstractMetaFunction *getter = field->getter();
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// static fields are not supported (yet?)
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if (setter->isStatic()) return;
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// Uuid data4 did not work (TODO: move to typesystem...(
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if (field->enclosingClass()->name()=="QUuid" && setter->name()=="data4") return;
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if (field->enclosingClass()->name()=="QIPv6Address") return;
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if (!field->type()->isConstant()) {
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writeFunctionSignature(s, setter, 0, QString(),
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Option(ConvertReferenceToPtr | FirstArgIsWrappedObject| IncludeDefaultExpression | ShowStatic | UnderscoreSpaces));
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s << "{ theWrappedObject->" << field->name() << " = " << setter->arguments()[0]->argumentName() << "; }\n";
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}
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writeFunctionSignature(s, getter, 0, QString(),
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Option(ConvertReferenceToPtr | FirstArgIsWrappedObject| IncludeDefaultExpression | OriginalName | ShowStatic | UnderscoreSpaces));
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s << "{ return theWrappedObject->" << field->name() << "; }\n";
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}
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void ShellHeaderGenerator::write(QTextStream &s, const AbstractMetaClass *meta_class)
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{
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QString builtIn = ShellGenerator::isBuiltIn(meta_class->name())?"_builtin":"";
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QString pro_file_name = meta_class->package().replace(".", "_") + builtIn + "/" + meta_class->package().replace(".", "_") + builtIn + ".pri";
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priGenerator->addHeader(pro_file_name, fileNameForClass(meta_class));
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setupGenerator->addClass(meta_class->package().replace(".", "_") + builtIn, meta_class);
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QString include_block = "PYTHONQTWRAPPER_" + meta_class->name().toUpper() + "_H";
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s << "#ifndef " << include_block << endl
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<< "#define " << include_block << endl << endl;
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Include inc = meta_class->typeEntry()->include();
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ShellGenerator::writeInclude(s, inc);
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s << "#include <QObject>" << endl << endl;
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s << "#include <PythonQt.h>" << endl << endl;
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IncludeList list = meta_class->typeEntry()->extraIncludes();
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qSort(list.begin(), list.end());
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foreach (const Include &inc, list) {
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ShellGenerator::writeInclude(s, inc);
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}
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s << endl;
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AbstractMetaFunctionList ctors = meta_class->queryFunctions(AbstractMetaClass::Constructors
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| AbstractMetaClass::WasVisible
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| AbstractMetaClass::NotRemovedFromTargetLang);
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// Shell-------------------------------------------------------------------
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if (meta_class->generateShellClass()) {
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AbstractMetaFunctionList virtualsForShell = getVirtualFunctionsForShell(meta_class);
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s << "class " << shellClassName(meta_class)
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<< " : public " << meta_class->qualifiedCppName() << endl << "{" << endl;
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s << "public:" << endl;
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foreach(AbstractMetaFunction* fun, ctors) {
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s << " ";
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writeFunctionSignature(s, fun, 0,"PythonQtShell_",
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Option(IncludeDefaultExpression | OriginalName | ShowStatic | UnderscoreSpaces));
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s << ":" << meta_class->qualifiedCppName() << "(";
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QString scriptFunctionName = fun->originalName();
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AbstractMetaArgumentList args = fun->arguments();
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for (int i = 0; i < args.size(); ++i) {
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if (i > 0)
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s << ", ";
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s << args.at(i)->argumentName();
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}
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s << "),_wrapper(NULL) {};" << endl;
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}
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s << endl;
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foreach(AbstractMetaFunction* fun, virtualsForShell) {
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s << "virtual ";
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writeFunctionSignature(s, fun, 0, QString(),
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Option(IncludeDefaultExpression | OriginalName | ShowStatic | UnderscoreSpaces));
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s << ";" << endl;
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}
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s << endl;
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s << " PythonQtInstanceWrapper* _wrapper; " << endl;
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s << "};" << endl << endl;
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}
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// Promoter-------------------------------------------------------------------
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AbstractMetaFunctionList promoteFunctions = getProtectedFunctionsThatNeedPromotion(meta_class);
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if (!promoteFunctions.isEmpty()) {
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s << "class " << promoterClassName(meta_class)
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<< " : public " << meta_class->qualifiedCppName() << endl << "{ public:" << endl;
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foreach(AbstractMetaFunction* fun, promoteFunctions) {
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s << "inline ";
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writeFunctionSignature(s, fun, 0, "promoted_",
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Option(IncludeDefaultExpression | OriginalName | ShowStatic | UnderscoreSpaces));
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s << " { ";
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QString scriptFunctionName = fun->originalName();
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AbstractMetaArgumentList args = fun->arguments();
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if (fun->type())
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s << "return ";
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s << meta_class->qualifiedCppName() << "::";
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s << fun->originalName() << "(";
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for (int i = 0; i < args.size(); ++i) {
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if (i > 0)
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s << ", ";
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s << args.at(i)->argumentName();
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}
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s << "); }" << endl;
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}
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s << "};" << endl << endl;
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}
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// Wrapper-------------------------------------------------------------------
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s << "class " << wrapperClassName(meta_class)
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<< " : public QObject" << endl
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<< "{ Q_OBJECT" << endl;
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s << "public:" << endl;
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AbstractMetaEnumList enums1 = meta_class->enums();
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AbstractMetaEnumList enums;
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QList<FlagsTypeEntry*> flags;
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foreach(AbstractMetaEnum* enum1, enums1) {
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// catch gadgets and enums that are not exported on QObjects...
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if (enum1->wasPublic() && (!meta_class->isQObject() || !enum1->hasQEnumsDeclaration())) {
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enums << enum1;
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if (enum1->typeEntry()->flags()) {
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flags << enum1->typeEntry()->flags();
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}
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}
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}
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if (enums.count()) {
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s << "Q_ENUMS(";
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foreach(AbstractMetaEnum* enum1, enums) {
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s << enum1->name() << " ";
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}
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s << ")" << endl;
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if (flags.count()) {
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s << "Q_FLAGS(";
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foreach(FlagsTypeEntry* flag1, flags) {
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QString origName = flag1->originalName();
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int idx = origName.lastIndexOf("::");
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if (idx!= -1) {
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origName = origName.mid(idx+2);
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}
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s << origName << " ";
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}
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s << ")" << endl;
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}
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foreach(AbstractMetaEnum* enum1, enums) {
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s << "enum " << enum1->name() << "{" << endl;
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bool first = true;
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foreach(AbstractMetaEnumValue* value, enum1->values()) {
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if (first) { first = false; }
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else { s << ", "; }
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s << " " << value->name() << " = " << meta_class->qualifiedCppName() << "::" << value->name();
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}
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s << "};" << endl;
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}
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if (flags.count()) {
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foreach(AbstractMetaEnum* enum1, enums) {
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if (enum1->typeEntry()->flags()) {
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QString origName = enum1->typeEntry()->flags()->originalName();
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int idx = origName.lastIndexOf("::");
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if (idx!= -1) {
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origName = origName.mid(idx+2);
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}
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s << "Q_DECLARE_FLAGS("<< origName << ", " << enum1->name() <<")"<<endl;
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}
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}
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}
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}
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s << "public slots:" << endl;
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if (meta_class->generateShellClass() || !meta_class->isAbstract()) {
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bool copyConstructorSeen = false;
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bool defaultConstructorSeen = false;
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foreach (const AbstractMetaFunction *fun, ctors) {
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if (!fun->isPublic() || fun->isAbstract()) { continue; }
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s << meta_class->qualifiedCppName() << "* ";
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writeFunctionSignature(s, fun, 0, "new_",
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Option(IncludeDefaultExpression | OriginalName | ShowStatic));
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s << ";" << endl;
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if (fun->arguments().size()==1 && meta_class->qualifiedCppName() == fun->arguments().at(0)->type()->typeEntry()->qualifiedCppName()) {
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copyConstructorSeen = true;
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}
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if (fun->arguments().size()==0) {
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defaultConstructorSeen = true;
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}
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}
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if (meta_class->typeEntry()->isValue()
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&& !copyConstructorSeen && defaultConstructorSeen) {
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QString className = meta_class->generateShellClass()?shellClassName(meta_class):meta_class->qualifiedCppName();
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s << meta_class->qualifiedCppName() << "* new_" << meta_class->name() << "(const " << meta_class->qualifiedCppName() << "& other) {" << endl;
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s << className << "* a = new " << className << "();" << endl;
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s << "*((" << meta_class->qualifiedCppName() << "*)a) = other;" << endl;
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s << "return a; }" << endl;
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}
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}
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if (meta_class->hasPublicDestructor() && !meta_class->isNamespace()) {
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s << "void delete_" << meta_class->name() << "(" << meta_class->qualifiedCppName() << "* obj) { delete obj; } ";
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s << endl;
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}
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if (meta_class->name()=="QTreeWidgetItem") {
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s << "bool py_hasOwner(QTreeWidgetItem* theWrappedObject) { return theWrappedObject->treeWidget()!=NULL || theWrappedObject->parent()!=NULL; }" << endl;
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} else if (meta_class->name()=="QGraphicsItem") {
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s << "bool py_hasOwner(QGraphicsItem* theWrappedObject) { return theWrappedObject->scene()!=NULL || theWrappedObject->parentItem()!=NULL; }" << endl;
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}
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AbstractMetaFunctionList functions = getFunctionsToWrap(meta_class);
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foreach (const AbstractMetaFunction *function, functions) {
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if (!function->isSlot()) {
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s << " ";
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writeFunctionSignature(s, function, 0, QString(),
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Option(ConvertReferenceToPtr | FirstArgIsWrappedObject| IncludeDefaultExpression | OriginalName | ShowStatic | UnderscoreSpaces));
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s << ";" << endl;
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}
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}
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if (meta_class->hasDefaultToStringFunction() || meta_class->hasToStringCapability()) {
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s << " QString py_toString(" << meta_class->qualifiedCppName() << "*);" << endl;
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}
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if (meta_class->hasDefaultIsNull()) {
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s << " bool __nonzero__(" << meta_class->qualifiedCppName() << "* obj) { return !obj->isNull(); }" << endl;
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}
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// Field accessors
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foreach (const AbstractMetaField *field, meta_class->fields()) {
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if (field->isPublic()) {
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writeFieldAccessors(s, field);
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}
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}
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writeInjectedCode(s, meta_class);
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s << "};" << endl << endl
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<< "#endif // " << include_block << endl;
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}
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void ShellHeaderGenerator::writeInjectedCode(QTextStream &s, const AbstractMetaClass *meta_class)
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{
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CodeSnipList code_snips = meta_class->typeEntry()->codeSnips();
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foreach (const CodeSnip &cs, code_snips) {
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if (cs.language == TypeSystem::PyWrapperDeclaration) {
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s << cs.code() << endl;
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}
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}
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}
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