PythonQtClassInfo.cpp
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| 27.3 KiB
| text/x-c
|
CppLexer
/ src / PythonQtClassInfo.cpp
r0 | /* | |||
* | ||||
* Copyright (C) 2010 MeVis Medical Solutions AG All Rights Reserved. | ||||
* | ||||
* This library is free software; you can redistribute it and/or | ||||
* modify it under the terms of the GNU Lesser General Public | ||||
* License as published by the Free Software Foundation; either | ||||
* version 2.1 of the License, or (at your option) any later version. | ||||
* | ||||
* This library is distributed in the hope that it will be useful, | ||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of | ||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||||
* Lesser General Public License for more details. | ||||
* | ||||
* Further, this software is distributed without any warranty that it is | ||||
* free of the rightful claim of any third person regarding infringement | ||||
* or the like. Any license provided herein, whether implied or | ||||
* otherwise, applies only to this software file. Patent licenses, if | ||||
* any, provided herein do not apply to combinations of this program with | ||||
* other software, or any other product whatsoever. | ||||
* | ||||
* You should have received a copy of the GNU Lesser General Public | ||||
* License along with this library; if not, write to the Free Software | ||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||||
* | ||||
* Contact information: MeVis Medical Solutions AG, Universitaetsallee 29, | ||||
* 28359 Bremen, Germany or: | ||||
* | ||||
* http://www.mevis.de | ||||
* | ||||
*/ | ||||
//---------------------------------------------------------------------------------- | ||||
/*! | ||||
// \file PythonQt.cpp | ||||
// \author Florian Link | ||||
// \author Last changed by $Author: florian $ | ||||
// \date 2006-05 | ||||
*/ | ||||
//---------------------------------------------------------------------------------- | ||||
#include "PythonQtClassInfo.h" | ||||
#include "PythonQtMethodInfo.h" | ||||
#include "PythonQt.h" | ||||
#include <QMetaMethod> | ||||
#include <QMetaObject> | ||||
#include <QMetaEnum> | ||||
QHash<QByteArray, int> PythonQtMethodInfo::_parameterTypeDict; | ||||
PythonQtClassInfo::PythonQtClassInfo() { | ||||
_meta = NULL; | ||||
_constructors = NULL; | ||||
_destructor = NULL; | ||||
_decoratorProvider = NULL; | ||||
_decoratorProviderCB = NULL; | ||||
_pythonQtClassWrapper = NULL; | ||||
_shellSetInstanceWrapperCB = NULL; | ||||
_metaTypeId = -1; | ||||
_typeSlots = 0; | ||||
_isQObject = false; | ||||
_enumsCreated = false; | ||||
} | ||||
PythonQtClassInfo::~PythonQtClassInfo() | ||||
{ | ||||
clearCachedMembers(); | ||||
if (_constructors) { | ||||
_constructors->deleteOverloadsAndThis(); | ||||
} | ||||
if (_destructor) { | ||||
_destructor->deleteOverloadsAndThis(); | ||||
} | ||||
Q_FOREACH(PythonQtSlotInfo* info, _decoratorSlots) { | ||||
info->deleteOverloadsAndThis(); | ||||
} | ||||
} | ||||
void PythonQtClassInfo::setupQObject(const QMetaObject* meta) | ||||
{ | ||||
// _wrappedClassName is already set earlier in the class setup | ||||
_isQObject = true; | ||||
_meta = meta; | ||||
} | ||||
void PythonQtClassInfo::setupCPPObject(const QByteArray& classname) | ||||
{ | ||||
_isQObject = false; | ||||
_wrappedClassName = classname; | ||||
_metaTypeId = QMetaType::type(classname); | ||||
} | ||||
void PythonQtClassInfo::clearCachedMembers() | ||||
{ | ||||
QHashIterator<QByteArray, PythonQtMemberInfo> i(_cachedMembers); | ||||
while (i.hasNext()) { | ||||
PythonQtMemberInfo member = i.next().value(); | ||||
if (member._type== PythonQtMemberInfo::Slot || member._type== PythonQtMemberInfo::Signal) { | ||||
PythonQtSlotInfo* info = member._slot; | ||||
while (info) { | ||||
PythonQtSlotInfo* next = info->nextInfo(); | ||||
delete info; | ||||
info = next; | ||||
} | ||||
} | ||||
} | ||||
} | ||||
int PythonQtClassInfo::findCharOffset(const char* sigStart, char someChar) | ||||
{ | ||||
const char* sigEnd = sigStart; | ||||
char c; | ||||
do { | ||||
c = *sigEnd++; | ||||
} while (c!=someChar && c!=0); | ||||
return sigEnd-sigStart-1; | ||||
} | ||||
bool PythonQtClassInfo::lookForPropertyAndCache(const char* memberName) | ||||
{ | ||||
if (!_meta) return false; | ||||
bool found = false; | ||||
bool nameMapped = false; | ||||
const char* attributeName = memberName; | ||||
// look for properties | ||||
int i = _meta->indexOfProperty(attributeName); | ||||
if (i==-1) { | ||||
// try to map name to objectName | ||||
if (qstrcmp(attributeName, "name")==0) { | ||||
attributeName = "objectName"; | ||||
nameMapped = true; | ||||
i = _meta->indexOfProperty(attributeName); | ||||
} | ||||
} | ||||
if (i!=-1) { | ||||
PythonQtMemberInfo newInfo(_meta->property(i)); | ||||
_cachedMembers.insert(attributeName, newInfo); | ||||
if (nameMapped) { | ||||
_cachedMembers.insert(memberName, newInfo); | ||||
} | ||||
#ifdef PYTHONQT_DEBUG | ||||
std::cout << "caching property " << memberName << " on " << _meta->className() << std::endl; | ||||
#endif | ||||
found = true; | ||||
} | ||||
return found; | ||||
} | ||||
PythonQtSlotInfo* PythonQtClassInfo::recursiveFindDecoratorSlotsFromDecoratorProvider(const char* memberName, PythonQtSlotInfo* inputInfo, bool &found, QHash<QByteArray, PythonQtMemberInfo>& memberCache, int upcastingOffset) | ||||
{ | ||||
inputInfo = findDecoratorSlotsFromDecoratorProvider(memberName, inputInfo, found, memberCache, upcastingOffset); | ||||
Q_FOREACH(const ParentClassInfo& info, _parentClasses) { | ||||
inputInfo = info._parent->recursiveFindDecoratorSlotsFromDecoratorProvider(memberName, inputInfo, found, memberCache, upcastingOffset+info._upcastingOffset); | ||||
} | ||||
return inputInfo; | ||||
} | ||||
PythonQtSlotInfo* PythonQtClassInfo::findDecoratorSlotsFromDecoratorProvider(const char* memberName, PythonQtSlotInfo* tail, bool &found, QHash<QByteArray, PythonQtMemberInfo>& memberCache, int upcastingOffset) { | ||||
QObject* decoratorProvider = decorator(); | ||||
int memberNameLen = static_cast<int>(strlen(memberName)); | ||||
if (decoratorProvider) { | ||||
//qDebug()<< "looking " << decoratorProvider->metaObject()->className() << " " << memberName << " " << upcastingOffset; | ||||
const QMetaObject* meta = decoratorProvider->metaObject(); | ||||
int numMethods = meta->methodCount(); | ||||
int startFrom = QObject::staticMetaObject.methodCount(); | ||||
for (int i = startFrom; i < numMethods; i++) { | ||||
QMetaMethod m = meta->method(i); | ||||
if ((m.methodType() == QMetaMethod::Method || | ||||
m.methodType() == QMetaMethod::Slot) && m.access() == QMetaMethod::Public) { | ||||
#if( QT_VERSION >= QT_VERSION_CHECK(5,0,0) ) | ||||
QByteArray sigStart = m.methodSignature(); | ||||
#else | ||||
QByteArray sigStart = m.signature(); | ||||
#endif | ||||
bool isClassDeco = false; | ||||
if (sigStart.startsWith("static_")) { | ||||
// skip the static_classname_ part of the string | ||||
sigStart.remove(0,7+strlen(className())+1); | ||||
isClassDeco = true; | ||||
} else if (sigStart.startsWith("new_")) { | ||||
isClassDeco = true; | ||||
} else if (sigStart.startsWith("delete_")) { | ||||
isClassDeco = true; | ||||
} | ||||
// find the first '(' | ||||
int offset = findCharOffset(sigStart, '('); | ||||
// XXX no checking is currently done if the slots have correct first argument or not... | ||||
// check if same length and same name | ||||
if (memberNameLen == offset && qstrncmp(memberName, sigStart, offset)==0) { | ||||
found = true; | ||||
PythonQtSlotInfo* info = new PythonQtSlotInfo(this, m, i, decoratorProvider, isClassDeco?PythonQtSlotInfo::ClassDecorator:PythonQtSlotInfo::InstanceDecorator); | ||||
info->setUpcastingOffset(upcastingOffset); | ||||
//qDebug()<< "adding " << decoratorProvider->metaObject()->className() << " " << memberName << " " << upcastingOffset; | ||||
if (tail) { | ||||
tail->setNextInfo(info); | ||||
} else { | ||||
PythonQtMemberInfo newInfo(info); | ||||
memberCache.insert(memberName, newInfo); | ||||
} | ||||
tail = info; | ||||
} | ||||
} | ||||
} | ||||
} | ||||
tail = findDecoratorSlots(memberName, memberNameLen, tail, found, memberCache, upcastingOffset); | ||||
// now look for slots/signals/methods on this level of the meta object | ||||
if (_meta) { | ||||
int numMethods = _meta->methodCount(); | ||||
// start from methodOffset, to only add slots which are located in this class, | ||||
// and not in the parent class, which is traversed recursively later on. | ||||
// (if the class in not a QObject, we are working with a script wrapper QObject | ||||
// and need to read all slots/signals starting from 0). | ||||
int methodOffset = _isQObject?_meta->methodOffset():0; | ||||
for (int i = methodOffset; i < numMethods; i++) { | ||||
QMetaMethod m = _meta->method(i); | ||||
if (((m.methodType() == QMetaMethod::Method || | ||||
m.methodType() == QMetaMethod::Slot) && m.access() == QMetaMethod::Public) | ||||
|| m.methodType()==QMetaMethod::Signal) { | ||||
#if( QT_VERSION >= QT_VERSION_CHECK(5,0,0) ) | ||||
QByteArray sigStart = m.methodSignature(); | ||||
#else | ||||
QByteArray sigStart = m.signature(); | ||||
#endif | ||||
// find the first '(' | ||||
int offset = findCharOffset(sigStart, '('); | ||||
// check if same length and same name | ||||
if (memberNameLen == offset && qstrncmp(memberName, sigStart, offset)==0) { | ||||
found = true; | ||||
PythonQtSlotInfo* info = new PythonQtSlotInfo(this, m, i); | ||||
if (tail) { | ||||
tail->setNextInfo(info); | ||||
} else { | ||||
PythonQtMemberInfo newInfo(info); | ||||
memberCache.insert(memberName, newInfo); | ||||
} | ||||
tail = info; | ||||
} | ||||
} | ||||
} | ||||
} | ||||
return tail; | ||||
} | ||||
bool PythonQtClassInfo::lookForMethodAndCache(const char* memberName) | ||||
{ | ||||
bool found = false; | ||||
PythonQtSlotInfo* tail = NULL; | ||||
// look for dynamic decorators in this class and in derived classes | ||||
// (do this first to allow overloading of existing slots with generated wrappers, | ||||
// e.g. QDialog::accept is overloaded with PythonQtWrapper_QDialog::accept decorator) | ||||
tail = recursiveFindDecoratorSlotsFromDecoratorProvider(memberName, tail, found, _cachedMembers, 0); | ||||
return found; | ||||
} | ||||
bool PythonQtClassInfo::lookForEnumAndCache(const QMetaObject* meta, const char* memberName) | ||||
{ | ||||
bool found = false; | ||||
// look for enum values | ||||
int enumCount = meta->enumeratorCount(); | ||||
for (int i=0;i<enumCount; i++) { | ||||
QMetaEnum e = meta->enumerator(i); | ||||
// we do not want flags, they will cause our values to appear two times | ||||
if (e.isFlag()) continue; | ||||
for (int j=0; j < e.keyCount(); j++) { | ||||
if (qstrcmp(e.key(j), memberName)==0) { | ||||
PyObject* enumType = findEnumWrapper(e.name()); | ||||
if (enumType) { | ||||
PythonQtObjectPtr enumValuePtr; | ||||
enumValuePtr.setNewRef(PythonQtPrivate::createEnumValueInstance(enumType, e.value(j))); | ||||
PythonQtMemberInfo newInfo(enumValuePtr); | ||||
_cachedMembers.insert(memberName, newInfo); | ||||
#ifdef PYTHONQT_DEBUG | ||||
std::cout << "caching enum " << memberName << " on " << meta->className() << std::endl; | ||||
#endif | ||||
found = true; | ||||
break; | ||||
} else { | ||||
std::cout << "enum " << e.name() << " not found on " << className() << std::endl; | ||||
} | ||||
} | ||||
} | ||||
} | ||||
return found; | ||||
} | ||||
PythonQtMemberInfo PythonQtClassInfo::member(const char* memberName) | ||||
{ | ||||
PythonQtMemberInfo info = _cachedMembers.value(memberName); | ||||
if (info._type != PythonQtMemberInfo::Invalid) { | ||||
return info; | ||||
} else { | ||||
bool found = false; | ||||
found = lookForPropertyAndCache(memberName); | ||||
if (!found) { | ||||
found = lookForMethodAndCache(memberName); | ||||
} | ||||
if (!found) { | ||||
if (_meta) { | ||||
// check enums in our meta object directly | ||||
found = lookForEnumAndCache(_meta, memberName); | ||||
} | ||||
if (!found) { | ||||
// check enums in the class hierachy of CPP classes | ||||
// look for dynamic decorators in this class and in derived classes | ||||
QList<QObject*> decoObjects; | ||||
recursiveCollectDecoratorObjects(decoObjects); | ||||
Q_FOREACH(QObject* deco, decoObjects) { | ||||
// call on ourself for caching, but with different metaObject(): | ||||
found = lookForEnumAndCache(deco->metaObject(), memberName); | ||||
if (found) { | ||||
break; | ||||
} | ||||
} | ||||
} | ||||
} | ||||
if (!found) { | ||||
// maybe it is an enum wrapper? | ||||
PyObject* p = findEnumWrapper(memberName); | ||||
if (p) { | ||||
info._type = PythonQtMemberInfo::EnumWrapper; | ||||
info._enumWrapper = p; | ||||
_cachedMembers.insert(memberName, info); | ||||
found = true; | ||||
} | ||||
} | ||||
if (!found) { | ||||
// since python keywords can not be looked up, we check if the name contains a single trailing _ | ||||
// and remove that and look again, so that we e.g. find exec on an exec_ lookup | ||||
QByteArray mbrName(memberName); | ||||
if ((mbrName.length()>2) && | ||||
(mbrName.at(mbrName.length()-1) == '_') && | ||||
(mbrName.at(mbrName.length()-2) != '_')) { | ||||
mbrName = mbrName.mid(0,mbrName.length()-1); | ||||
found = lookForMethodAndCache(mbrName.constData()); | ||||
if (found) { | ||||
return _cachedMembers.value(mbrName); | ||||
} | ||||
} | ||||
} | ||||
if (!found) { | ||||
// we store a NotFound member, so that we get a quick result for non existing members (e.g. operator_equal lookup) | ||||
info._type = PythonQtMemberInfo::NotFound; | ||||
_cachedMembers.insert(memberName, info); | ||||
} | ||||
} | ||||
return _cachedMembers.value(memberName); | ||||
} | ||||
void PythonQtClassInfo::recursiveCollectDecoratorObjects(QList<QObject*>& decoratorObjects) { | ||||
QObject* deco = decorator(); | ||||
if (deco) { | ||||
decoratorObjects.append(deco); | ||||
} | ||||
Q_FOREACH(const ParentClassInfo& info, _parentClasses) { | ||||
info._parent->recursiveCollectDecoratorObjects(decoratorObjects); | ||||
} | ||||
} | ||||
void PythonQtClassInfo::recursiveCollectClassInfos(QList<PythonQtClassInfo*>& classInfoObjects) { | ||||
classInfoObjects.append(this); | ||||
Q_FOREACH(const ParentClassInfo& info, _parentClasses) { | ||||
info._parent->recursiveCollectClassInfos(classInfoObjects); | ||||
} | ||||
} | ||||
PythonQtSlotInfo* PythonQtClassInfo::findDecoratorSlots(const char* memberName, int memberNameLen, PythonQtSlotInfo* tail, bool &found, QHash<QByteArray, PythonQtMemberInfo>& memberCache, int upcastingOffset) | ||||
{ | ||||
QListIterator<PythonQtSlotInfo*> it(_decoratorSlots); | ||||
while (it.hasNext()) { | ||||
PythonQtSlotInfo* infoOrig = it.next(); | ||||
#if( QT_VERSION >= QT_VERSION_CHECK(5,0,0) ) | ||||
QByteArray sigStart = infoOrig->metaMethod()->methodSignature(); | ||||
#else | ||||
QByteArray sigStart = infoOrig->metaMethod()->signature(); | ||||
#endif | ||||
if (sigStart.startsWith("static_")) { | ||||
sigStart.remove(0,7); | ||||
int offset = findCharOffset(sigStart, '_'); | ||||
sigStart.remove(0,offset+1); | ||||
} | ||||
int offset = findCharOffset(sigStart, '('); | ||||
if (memberNameLen == offset && qstrncmp(memberName, sigStart, offset)==0) { | ||||
//make a copy, otherwise we will have trouble on overloads! | ||||
PythonQtSlotInfo* info = new PythonQtSlotInfo(*infoOrig); | ||||
info->setUpcastingOffset(upcastingOffset); | ||||
found = true; | ||||
if (tail) { | ||||
tail->setNextInfo(info); | ||||
} else { | ||||
PythonQtMemberInfo newInfo(info); | ||||
memberCache.insert(memberName, newInfo); | ||||
} | ||||
tail = info; | ||||
} | ||||
} | ||||
return tail; | ||||
} | ||||
void PythonQtClassInfo::listDecoratorSlotsFromDecoratorProvider(QStringList& list, bool metaOnly) { | ||||
QObject* decoratorProvider = decorator(); | ||||
if (decoratorProvider) { | ||||
const QMetaObject* meta = decoratorProvider->metaObject(); | ||||
int numMethods = meta->methodCount(); | ||||
int startFrom = QObject::staticMetaObject.methodCount(); | ||||
for (int i = startFrom; i < numMethods; i++) { | ||||
QMetaMethod m = meta->method(i); | ||||
if ((m.methodType() == QMetaMethod::Method || | ||||
m.methodType() == QMetaMethod::Slot) && m.access() == QMetaMethod::Public) { | ||||
#if( QT_VERSION >= QT_VERSION_CHECK(5,0,0) ) | ||||
QByteArray sigStart = m.methodSignature(); | ||||
#else | ||||
QByteArray sigStart = m.signature(); | ||||
#endif | ||||
bool isClassDeco = false; | ||||
if (sigStart.startsWith("static_")) { | ||||
// skip the static_classname_ part of the string | ||||
sigStart.remove(0,7+strlen(className())+1); | ||||
isClassDeco = true; | ||||
} else if (sigStart.startsWith("new_")) { | ||||
continue; | ||||
} else if (sigStart.startsWith("delete_")) { | ||||
continue; | ||||
} else if (sigStart.startsWith("py_")) { | ||||
// hide everything that starts with py_ | ||||
continue; | ||||
} | ||||
// find the first '(' | ||||
int offset = findCharOffset(sigStart, '('); | ||||
// XXX no checking is currently done if the slots have correct first argument or not... | ||||
if (!metaOnly || isClassDeco) { | ||||
list << QString::fromLatin1(sigStart, offset); | ||||
} | ||||
} | ||||
} | ||||
} | ||||
// look for global decorator slots | ||||
QListIterator<PythonQtSlotInfo*> it(_decoratorSlots); | ||||
while (it.hasNext()) { | ||||
PythonQtSlotInfo* slot = it.next(); | ||||
if (metaOnly) { | ||||
if (slot->isClassDecorator()) { | ||||
QByteArray first = slot->slotName(); | ||||
if (first.startsWith("static_")) { | ||||
int idx = first.indexOf('_'); | ||||
idx = first.indexOf('_', idx+1); | ||||
first = first.mid(idx+1); | ||||
} | ||||
list << first; | ||||
} | ||||
} else { | ||||
list << slot->slotName(); | ||||
} | ||||
} | ||||
} | ||||
QStringList PythonQtClassInfo::propertyList() | ||||
{ | ||||
QStringList l; | ||||
if (_isQObject && _meta) { | ||||
int i; | ||||
int numProperties = _meta->propertyCount(); | ||||
for (i = 0; i < numProperties; i++) { | ||||
QMetaProperty p = _meta->property(i); | ||||
l << QString(p.name()); | ||||
} | ||||
} | ||||
return l; | ||||
} | ||||
QStringList PythonQtClassInfo::memberList() | ||||
{ | ||||
decorator(); | ||||
QStringList l; | ||||
QString h; | ||||
// normal slots of QObject (or wrapper QObject) | ||||
if (_meta) { | ||||
int numMethods = _meta->methodCount(); | ||||
bool skipQObj = !_isQObject; | ||||
for (int i = skipQObj?QObject::staticMetaObject.methodCount():0; i < numMethods; i++) { | ||||
QMetaMethod m = _meta->method(i); | ||||
if (((m.methodType() == QMetaMethod::Method || | ||||
m.methodType() == QMetaMethod::Slot) && m.access() == QMetaMethod::Public) | ||||
|| m.methodType()==QMetaMethod::Signal) { | ||||
#if( QT_VERSION >= QT_VERSION_CHECK(5,0,0) ) | ||||
QByteArray signa(m.methodSignature()); | ||||
#else | ||||
QByteArray signa(m.signature()); | ||||
#endif | ||||
signa = signa.left(signa.indexOf('(')); | ||||
l << signa; | ||||
} | ||||
} | ||||
} | ||||
{ | ||||
// look for dynamic decorators in this class and in derived classes | ||||
QList<PythonQtClassInfo*> infos; | ||||
recursiveCollectClassInfos(infos); | ||||
Q_FOREACH(PythonQtClassInfo* info, infos) { | ||||
info->listDecoratorSlotsFromDecoratorProvider(l, false); | ||||
} | ||||
} | ||||
// List enumerator keys... | ||||
QList<const QMetaObject*> enumMetaObjects; | ||||
if (_meta) { | ||||
enumMetaObjects << _meta; | ||||
} | ||||
// check enums in the class hierachy of CPP classes | ||||
QList<QObject*> decoObjects; | ||||
recursiveCollectDecoratorObjects(decoObjects); | ||||
Q_FOREACH(QObject* deco, decoObjects) { | ||||
enumMetaObjects << deco->metaObject(); | ||||
} | ||||
Q_FOREACH(const QMetaObject* meta, enumMetaObjects) { | ||||
for (int i = 0; i<meta->enumeratorCount(); i++) { | ||||
QMetaEnum e = meta->enumerator(i); | ||||
l << e.name(); | ||||
// we do not want flags, they will cause our values to appear two times | ||||
if (e.isFlag()) continue; | ||||
for (int j=0; j < e.keyCount(); j++) { | ||||
l << QString(e.key(j)); | ||||
} | ||||
} | ||||
} | ||||
return QSet<QString>::fromList(l).toList(); | ||||
} | ||||
const char* PythonQtClassInfo::className() | ||||
{ | ||||
return _wrappedClassName.constData(); | ||||
} | ||||
void* PythonQtClassInfo::castTo(void* ptr, const char* classname) | ||||
{ | ||||
if (ptr==NULL) { | ||||
return NULL; | ||||
} | ||||
if (_wrappedClassName == classname) { | ||||
return ptr; | ||||
} | ||||
Q_FOREACH(const ParentClassInfo& info, _parentClasses) { | ||||
void* result = info._parent->castTo((char*)ptr + info._upcastingOffset, classname); | ||||
if (result) { | ||||
return result; | ||||
} | ||||
} | ||||
return NULL; | ||||
} | ||||
bool PythonQtClassInfo::inherits(const char* name) | ||||
{ | ||||
if (_wrappedClassName == name) { | ||||
return true; | ||||
} | ||||
Q_FOREACH(const ParentClassInfo& info, _parentClasses) { | ||||
if (info._parent->inherits(name)) { | ||||
return true; | ||||
} | ||||
} | ||||
return false; | ||||
} | ||||
bool PythonQtClassInfo::inherits(PythonQtClassInfo* classInfo) | ||||
{ | ||||
if (classInfo == this) { | ||||
return true; | ||||
} | ||||
Q_FOREACH(const ParentClassInfo& info, _parentClasses) { | ||||
if (info._parent->inherits(classInfo)) { | ||||
return true; | ||||
} | ||||
} | ||||
return false; | ||||
} | ||||
QString PythonQtClassInfo::help() | ||||
{ | ||||
decorator(); | ||||
QString h; | ||||
h += QString("--- ") + QString(className()) + QString(" ---\n"); | ||||
r6 | ||||
if (!_doc.isNull()) | ||||
h += "Description:\n" + _doc + "\n"; | ||||
r0 | ||||
if (_isQObject) { | ||||
h += "Properties:\n"; | ||||
int i; | ||||
int numProperties = _meta->propertyCount(); | ||||
for (i = 0; i < numProperties; i++) { | ||||
QMetaProperty p = _meta->property(i); | ||||
h += QString(p.name()) + " (" + QString(p.typeName()) + " )\n"; | ||||
} | ||||
} | ||||
if (constructors()) { | ||||
h += "Constructors:\n"; | ||||
PythonQtSlotInfo* constr = constructors(); | ||||
while (constr) { | ||||
h += constr->fullSignature() + "\n"; | ||||
constr = constr->nextInfo(); | ||||
} | ||||
} | ||||
h += "Slots:\n"; | ||||
h += "QString help()\n"; | ||||
h += "QString className()\n"; | ||||
if (_meta) { | ||||
int numMethods = _meta->methodCount(); | ||||
for (int i = 0; i < numMethods; i++) { | ||||
QMetaMethod m = _meta->method(i); | ||||
if ((m.methodType() == QMetaMethod::Method || | ||||
m.methodType() == QMetaMethod::Slot) && m.access() == QMetaMethod::Public) { | ||||
PythonQtSlotInfo slot(this, m, i); | ||||
h += slot.fullSignature()+ "\n"; | ||||
} | ||||
} | ||||
} | ||||
// TODO xxx : decorators and enums from decorator() are missing... | ||||
// maybe we can reuse memberlist()? | ||||
if (_meta && _meta->enumeratorCount()) { | ||||
h += "Enums:\n"; | ||||
for (int i = 0; i<_meta->enumeratorCount(); i++) { | ||||
QMetaEnum e = _meta->enumerator(i); | ||||
h += QString(e.name()) + " {"; | ||||
for (int j=0; j < e.keyCount(); j++) { | ||||
if (j) { h+= ", "; } | ||||
h += e.key(j); | ||||
} | ||||
h += " }\n"; | ||||
} | ||||
} | ||||
if (_isQObject && _meta) { | ||||
int numMethods = _meta->methodCount(); | ||||
if (numMethods>0) { | ||||
h += "Signals:\n"; | ||||
for (int i = 0; i < numMethods; i++) { | ||||
QMetaMethod m = _meta->method(i); | ||||
if (m.methodType() == QMetaMethod::Signal) { | ||||
#if( QT_VERSION >= QT_VERSION_CHECK(5,0,0) ) | ||||
h += QString(m.methodSignature()) + "\n"; | ||||
#else | ||||
h += QString(m.signature()) + "\n"; | ||||
#endif | ||||
} | ||||
} | ||||
} | ||||
} | ||||
return h; | ||||
} | ||||
PythonQtSlotInfo* PythonQtClassInfo::constructors() | ||||
{ | ||||
if (!_constructors) { | ||||
// force creation of lazy decorator, which will register the decorators | ||||
decorator(); | ||||
} | ||||
return _constructors; | ||||
} | ||||
PythonQtSlotInfo* PythonQtClassInfo::destructor() | ||||
{ | ||||
if (!_destructor) { | ||||
// force creation of lazy decorator, which will register the decorators | ||||
decorator(); | ||||
} | ||||
return _destructor; | ||||
} | ||||
void PythonQtClassInfo::addConstructor(PythonQtSlotInfo* info) | ||||
{ | ||||
PythonQtSlotInfo* prev = constructors(); | ||||
if (prev) { | ||||
info->setNextInfo(prev->nextInfo()); | ||||
prev->setNextInfo(info); | ||||
} else { | ||||
_constructors = info; | ||||
} | ||||
} | ||||
void PythonQtClassInfo::addDecoratorSlot(PythonQtSlotInfo* info) | ||||
{ | ||||
_decoratorSlots.append(info); | ||||
} | ||||
void PythonQtClassInfo::setDestructor(PythonQtSlotInfo* info) | ||||
{ | ||||
if (_destructor) { | ||||
_destructor->deleteOverloadsAndThis(); | ||||
} | ||||
_destructor = info; | ||||
} | ||||
void PythonQtClassInfo::setMetaObject(const QMetaObject* meta) | ||||
{ | ||||
_meta = meta; | ||||
clearCachedMembers(); | ||||
} | ||||
QObject* PythonQtClassInfo::decorator() | ||||
{ | ||||
if (!_decoratorProvider && _decoratorProviderCB) { | ||||
_decoratorProvider = (*_decoratorProviderCB)(); | ||||
if (_decoratorProvider) { | ||||
_decoratorProvider->setParent(PythonQt::priv()); | ||||
// setup enums early, since they might be needed by the constructor decorators: | ||||
if (!_enumsCreated) { | ||||
createEnumWrappers(); | ||||
} | ||||
PythonQt::priv()->addDecorators(_decoratorProvider, PythonQtPrivate::ConstructorDecorator | PythonQtPrivate::DestructorDecorator); | ||||
} | ||||
} | ||||
// check if enums need to be created and create them if they are not yet created | ||||
if (!_enumsCreated) { | ||||
createEnumWrappers(); | ||||
} | ||||
return _decoratorProvider; | ||||
} | ||||
void* PythonQtClassInfo::recursiveCastDownIfPossible(void* ptr, const char** resultClassName) | ||||
{ | ||||
if (!_polymorphicHandlers.isEmpty()) { | ||||
Q_FOREACH(PythonQtPolymorphicHandlerCB* cb, _polymorphicHandlers) { | ||||
void* resultPtr = (*cb)(ptr, resultClassName); | ||||
if (resultPtr) { | ||||
return resultPtr; | ||||
} | ||||
} | ||||
} | ||||
Q_FOREACH(const ParentClassInfo& info, _parentClasses) { | ||||
if (!info._parent->isQObject()) { | ||||
void* resultPtr = info._parent->recursiveCastDownIfPossible((char*)ptr + info._upcastingOffset, resultClassName); | ||||
if (resultPtr) { | ||||
return resultPtr; | ||||
} | ||||
} | ||||
} | ||||
return NULL; | ||||
} | ||||
void* PythonQtClassInfo::castDownIfPossible(void* ptr, PythonQtClassInfo** resultClassInfo) | ||||
{ | ||||
const char* className; | ||||
// this would do downcasting recursively... | ||||
// void* resultPtr = recursiveCastDownIfPossible(ptr, &className); | ||||
// we only do downcasting on the base object, not on the whole inheritance tree... | ||||
void* resultPtr = NULL; | ||||
if (!_polymorphicHandlers.isEmpty()) { | ||||
Q_FOREACH(PythonQtPolymorphicHandlerCB* cb, _polymorphicHandlers) { | ||||
resultPtr = (*cb)(ptr, &className); | ||||
if (resultPtr) { | ||||
break; | ||||
} | ||||
} | ||||
} | ||||
if (resultPtr) { | ||||
*resultClassInfo = PythonQt::priv()->getClassInfo(className); | ||||
} else { | ||||
*resultClassInfo = this; | ||||
resultPtr = ptr; | ||||
} | ||||
return resultPtr; | ||||
} | ||||
PyObject* PythonQtClassInfo::findEnumWrapper(const QByteArray& name, PythonQtClassInfo* localScope, bool* isLocalEnum) | ||||
{ | ||||
if (isLocalEnum) { | ||||
*isLocalEnum = true; | ||||
} | ||||
int scopePos = name.lastIndexOf("::"); | ||||
if (scopePos != -1) { | ||||
if (isLocalEnum) { | ||||
*isLocalEnum = false; | ||||
} | ||||
// split into scope and enum name | ||||
QByteArray enumScope = name.mid(0,scopePos); | ||||
QByteArray enumName = name.mid(scopePos+2); | ||||
PythonQtClassInfo* info = PythonQt::priv()->getClassInfo(enumScope); | ||||
if (info) { | ||||
return info->findEnumWrapper(enumName); | ||||
} else{ | ||||
return NULL; | ||||
} | ||||
} | ||||
if (localScope) { | ||||
return localScope->findEnumWrapper(name); | ||||
} else { | ||||
return NULL; | ||||
} | ||||
} | ||||
void PythonQtClassInfo::createEnumWrappers(const QMetaObject* meta) | ||||
{ | ||||
for (int i = meta->enumeratorOffset();i<meta->enumeratorCount();i++) { | ||||
QMetaEnum e = meta->enumerator(i); | ||||
PythonQtObjectPtr p; | ||||
p.setNewRef(PythonQtPrivate::createNewPythonQtEnumWrapper(e.name(), _pythonQtClassWrapper)); | ||||
_enumWrappers.append(p); | ||||
} | ||||
} | ||||
void PythonQtClassInfo::createEnumWrappers() | ||||
{ | ||||
if (!_enumsCreated) { | ||||
_enumsCreated = true; | ||||
if (_meta) { | ||||
createEnumWrappers(_meta); | ||||
} | ||||
if (decorator()) { | ||||
createEnumWrappers(decorator()->metaObject()); | ||||
} | ||||
Q_FOREACH(const ParentClassInfo& info, _parentClasses) { | ||||
info._parent->createEnumWrappers(); | ||||
} | ||||
} | ||||
} | ||||
PyObject* PythonQtClassInfo::findEnumWrapper(const char* name) { | ||||
// force enum creation | ||||
if (!_enumsCreated) { | ||||
createEnumWrappers(); | ||||
} | ||||
Q_FOREACH(const PythonQtObjectPtr& p, _enumWrappers) { | ||||
const char* className = ((PyTypeObject*)p.object())->tp_name; | ||||
if (qstrcmp(className, name)==0) { | ||||
return p.object(); | ||||
} | ||||
} | ||||
Q_FOREACH(const ParentClassInfo& info, _parentClasses) { | ||||
PyObject* p = info._parent->findEnumWrapper(name); | ||||
if (p) return p; | ||||
} | ||||
return NULL; | ||||
} | ||||
void PythonQtClassInfo::setDecoratorProvider( PythonQtQObjectCreatorFunctionCB* cb ) | ||||
{ | ||||
_decoratorProviderCB = cb; | ||||
_decoratorProvider = NULL; | ||||
_enumsCreated = false; | ||||
} | ||||
void PythonQtClassInfo::clearNotFoundCachedMembers() | ||||
{ | ||||
// remove all not found entries, since a new decorator means new slots, | ||||
// which might have been cached as "NotFound" already. | ||||
QMutableHashIterator<QByteArray, PythonQtMemberInfo> it(_cachedMembers); | ||||
while (it.hasNext()) { | ||||
it.next(); | ||||
if (it.value()._type == PythonQtMemberInfo::NotFound) { | ||||
it.remove(); | ||||
} | ||||
} | ||||
} | ||||
//------------------------------------------------------------------------- | ||||
PythonQtMemberInfo::PythonQtMemberInfo( PythonQtSlotInfo* info ) | ||||
{ | ||||
if (info->metaMethod()->methodType() == QMetaMethod::Signal) { | ||||
_type = Signal; | ||||
} else { | ||||
_type = Slot; | ||||
} | ||||
_slot = info; | ||||
_enumValue = NULL; | ||||
} | ||||
PythonQtMemberInfo::PythonQtMemberInfo( const PythonQtObjectPtr& enumValue ) | ||||
{ | ||||
_type = EnumValue; | ||||
_slot = NULL; | ||||
_enumValue = enumValue; | ||||
_enumWrapper = NULL; | ||||
} | ||||
PythonQtMemberInfo::PythonQtMemberInfo( const QMetaProperty& prop ) | ||||
{ | ||||
_type = Property; | ||||
_slot = NULL; | ||||
_enumValue = NULL; | ||||
_property = prop; | ||||
_enumWrapper = NULL; | ||||
} | ||||