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