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/*
*
* 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 PythonQtMethodInfo.cpp
// \author Florian Link
// \author Last changed by $Author: florian $
// \date 2006-05
*/
//----------------------------------------------------------------------------------
#include "PythonQtMethodInfo.h"
#include "PythonQtClassInfo.h"
#include <iostream>
QHash<QByteArray, PythonQtMethodInfo*> PythonQtMethodInfo::_cachedSignatures;
QHash<int, PythonQtMethodInfo::ParameterInfo> PythonQtMethodInfo::_cachedParameterInfos;
QHash<QByteArray, QByteArray> PythonQtMethodInfo::_parameterNameAliases;
bool PythonQtSlotInfo::_globalShouldAllowThreads = false;
PythonQtMethodInfo::PythonQtMethodInfo(const QMetaMethod& meta, PythonQtClassInfo* classInfo)
{
#ifdef PYTHONQT_DEBUG
QByteArray sig = PythonQtUtils::signature(meta));
sig = sig.mid(sig.indexOf('('));
QByteArray fullSig = QByteArray(meta.typeName()) + " " + sig;
std::cout << "caching " << fullSig.data() << std::endl;
#endif
ParameterInfo type;
fillParameterInfo(type, QByteArray(meta.typeName()), classInfo);
_parameters.append(type);
QList<QByteArray> names = meta.parameterTypes();
Q_FOREACH (const QByteArray& name, names) {
fillParameterInfo(type, name, classInfo);
_parameters.append(type);
}
setupAllowThreads();
}
PythonQtMethodInfo::PythonQtMethodInfo(const QByteArray& typeName, const QList<QByteArray>& args)
{
ParameterInfo type;
fillParameterInfo(type, typeName, NULL);
_parameters.append(type);
Q_FOREACH (const QByteArray& name, args) {
fillParameterInfo(type, name, NULL);
_parameters.append(type);
}
setupAllowThreads();
}
void PythonQtMethodInfo::setupAllowThreads()
{
bool allowThreads = true;
for (const ParameterInfo& info : _parameters) {
if (info.name == "PyObject" || info.name == "PythonQtObjectPtr" ||
info.innerName == "PyObject" || info.innerName == "PythonQtObjectPtr") {
allowThreads = false;
break;
}
}
_shouldAllowThreads = allowThreads;
}
const PythonQtMethodInfo* PythonQtMethodInfo::getCachedMethodInfo(const QMetaMethod& signal, PythonQtClassInfo* classInfo)
{
QByteArray sig(PythonQtUtils::signature(signal));
sig = sig.mid(sig.indexOf('('));
QByteArray fullSig = QByteArray(signal.typeName()) + " " + sig;
PythonQtMethodInfo* result = _cachedSignatures.value(fullSig);
if (!result) {
result = new PythonQtMethodInfo(signal, classInfo);
_cachedSignatures.insert(fullSig, result);
}
return result;
}
const PythonQtMethodInfo* PythonQtMethodInfo::getCachedMethodInfoFromArgumentList(int numArgs, const char** args)
{
QByteArray typeName = args[0];
QList<QByteArray> arguments;
QByteArray fullSig = typeName;
fullSig += "(";
for (int i =1;i<numArgs; i++) {
if (i>1) {
fullSig += ",";
}
QByteArray arg(args[i]);
fullSig += arg;
arguments << arg;
}
fullSig += ")";
PythonQtMethodInfo* result = _cachedSignatures.value(fullSig);
if (!result) {
result = new PythonQtMethodInfo(typeName, arguments);
_cachedSignatures.insert(fullSig, result);
}
return result;
}
void PythonQtMethodInfo::fillParameterInfo(ParameterInfo& type, const QByteArray& orgName, PythonQtClassInfo* classInfo)
{
QByteArray name = orgName;
type.enumWrapper = NULL;
type.innerNamePointerCount = 0;
type.isQList = false;
type.passOwnershipToCPP = false;
type.passOwnershipToPython = false;
type.newOwnerOfThis = false;
int len = name.length();
if (len>0) {
if (name.startsWith("PythonQtPassOwnershipToCPP<")) {
type.passOwnershipToCPP = true;
name = name.mid(27, len-28);
len -= 28;
} else
if (name.startsWith("PythonQtPassOwnershipToPython<")) {
type.passOwnershipToPython = true;
name = name.mid(30, len-31);
len -= 31;
} else
if (name.startsWith("PythonQtNewOwnerOfThis<")) {
type.newOwnerOfThis = true;
name = name.mid(23, len-24);
len -= 24;
}
if (strncmp(name.constData(), "const ", 6)==0) {
name = name.mid(6);
len -= 6;
type.isConst = true;
} else {
type.isConst = false;
}
char pointerCount = 0;
bool hadReference = false;
// remove * and & from the end of the string
while (name.at(len-1) == '*') {
len--;
pointerCount++;
}
while (name.at(len-1) == '&') {
len--;
hadReference = true;
}
if (len!=name.length()) {
name = name.left(len);
}
type.pointerCount = pointerCount;
type.isReference = hadReference;
QByteArray alias = _parameterNameAliases.value(name);
if (!alias.isEmpty()) {
name = alias;
}
type.typeId = nameToType(name);
if (type.typeId == Unknown) {
type.typeId = QMetaType::type(name.constData());
#if( QT_VERSION >= QT_VERSION_CHECK(5,0,0) )
if (type.typeId == QMetaType::UnknownType) {
#else
if (type.typeId == QMetaType::Void) {
#endif
type.typeId = Unknown;
}
}
type.name = name;
if (name.startsWith("QList<")) {
type.isQList = true;
}
if (name.contains("<")) {
QByteArray innerName = getInnerTemplateTypeName(name);
if (innerName.endsWith("*")) {
type.innerNamePointerCount = 1;
innerName.truncate(innerName.length() - 1);
}
type.innerName = innerName;
}
if (type.typeId == PythonQtMethodInfo::Unknown || type.typeId >= QMetaType::User) {
bool isLocalEnum;
// TODOXXX: make use of this flag!
type.enumWrapper = PythonQtClassInfo::findEnumWrapper(type.name, classInfo, &isLocalEnum);
}
} else {
type.typeId = QMetaType::Void;
type.pointerCount = 0;
type.isConst = false;
type.isReference = false;
}
}
int PythonQtMethodInfo::getInnerTemplateMetaType(const QByteArray& typeName)
{
int idx = typeName.indexOf("<");
if (idx > 0) {
int idx2 = typeName.lastIndexOf(">");
if (idx2 > 0) {
QByteArray innerType = typeName.mid(idx + 1, idx2 - idx - 1).trimmed();
return QMetaType::type(innerType.constData());
}
}
return QMetaType::Void;
}
QByteArray PythonQtMethodInfo::getInnerTemplateTypeName(const QByteArray& typeName)
{
int idx = typeName.indexOf("<");
if (idx > 0) {
int idx2 = typeName.lastIndexOf(">");
if (idx2 > 0) {
return typeName.mid(idx + 1, idx2 - idx - 1).trimmed();
}
}
return QByteArray();
}
QByteArray PythonQtMethodInfo::getInnerListTypeName(const QByteArray& typeName)
{
QByteArray name = getInnerTemplateTypeName(typeName);
if (name.isEmpty() && typeName.endsWith("List")) {
name = typeName.left(typeName.length() - 4);
}
return name;
}
int PythonQtMethodInfo::nameToType(const char* name)
{
if (_parameterTypeDict.isEmpty()) {
// we could also use QMetaType::nameToType, but that does a string compare search
// and does not support QVariant
// QMetaType names
_parameterTypeDict.insert("long", QMetaType::Long);
_parameterTypeDict.insert("int", QMetaType::Int);
_parameterTypeDict.insert("short", QMetaType::Short);
_parameterTypeDict.insert("char", QMetaType::Char);
_parameterTypeDict.insert("signed long", QMetaType::Long);
_parameterTypeDict.insert("signed int", QMetaType::Int);
_parameterTypeDict.insert("signed short", QMetaType::Short);
_parameterTypeDict.insert("signed char", QMetaType::Char);
_parameterTypeDict.insert("ulong", QMetaType::ULong);
_parameterTypeDict.insert("unsigned long", QMetaType::ULong);
_parameterTypeDict.insert("uint", QMetaType::UInt);
_parameterTypeDict.insert("unsigned int", QMetaType::UInt);
_parameterTypeDict.insert("ushort", QMetaType::UShort);
_parameterTypeDict.insert("unsigned short", QMetaType::UShort);
_parameterTypeDict.insert("uchar", QMetaType::UChar);
_parameterTypeDict.insert("unsigned char", QMetaType::UChar);
_parameterTypeDict.insert("bool", QMetaType::Bool);
_parameterTypeDict.insert("float", QMetaType::Float);
_parameterTypeDict.insert("double", QMetaType::Double);
_parameterTypeDict.insert("qreal", QMetaType::Double);
_parameterTypeDict.insert("QChar", QMetaType::QChar);
_parameterTypeDict.insert("QByteArray", QMetaType::QByteArray);
_parameterTypeDict.insert("QString", QMetaType::QString);
_parameterTypeDict.insert("", QMetaType::Void);
_parameterTypeDict.insert("void", QMetaType::Void);
_parameterTypeDict.insert("QtMsgType", QMetaType::Int);
// GL types
_parameterTypeDict.insert("GLenum", QMetaType::UInt);
_parameterTypeDict.insert("GLboolean", QMetaType::UChar);
_parameterTypeDict.insert("GLbitfield", QMetaType::UInt);
_parameterTypeDict.insert("GLbyte", QMetaType::Char);
_parameterTypeDict.insert("GLubyte", QMetaType::UChar);
_parameterTypeDict.insert("GLshort", QMetaType::Short);
_parameterTypeDict.insert("GLushort", QMetaType::UShort);
_parameterTypeDict.insert("GLint", QMetaType::Int);
_parameterTypeDict.insert("GLuint", QMetaType::UInt);
_parameterTypeDict.insert("GLsizei", QMetaType::UInt);
_parameterTypeDict.insert("GLclampf", QMetaType::Float);
_parameterTypeDict.insert("GLfloat", QMetaType::Float);
_parameterTypeDict.insert("GLclampd", QMetaType::Double);
_parameterTypeDict.insert("GLdouble", QMetaType::Double);
_parameterTypeDict.insert("GLvoid", QMetaType::Void);
// Pointer-size dependent types
if (QT_POINTER_SIZE == 8) {
_parameterTypeDict.insert("qgl_GLintptr", QMetaType::LongLong);
_parameterTypeDict.insert("qgl_GLsizeiptr", QMetaType::LongLong);
_parameterTypeDict.insert("size_t", QMetaType::ULongLong);
_parameterTypeDict.insert("qintptr", QMetaType::LongLong);
_parameterTypeDict.insert("quintptr", QMetaType::ULongLong);
_parameterTypeDict.insert("WId", QMetaType::ULongLong);
} else {
_parameterTypeDict.insert("qgl_GLintptr", QMetaType::Int);
_parameterTypeDict.insert("qgl_GLsizeiptr", QMetaType::Int);
_parameterTypeDict.insert("size_t", QMetaType::UInt);
_parameterTypeDict.insert("qintptr", QMetaType::Int);
_parameterTypeDict.insert("quintptr", QMetaType::UInt);
_parameterTypeDict.insert("WId", QMetaType::UInt);
}
#ifdef PYTHONQT_SUPPORT_ML_TYPES
_parameterTypeDict.insert("MLuint8", QMetaType::UChar);
_parameterTypeDict.insert("MLint8", QMetaType::Char);
_parameterTypeDict.insert("MLuint16", QMetaType::UShort);
_parameterTypeDict.insert("MLint16", QMetaType::Short);
_parameterTypeDict.insert("MLuint32", QMetaType::UInt);
_parameterTypeDict.insert("MLint32", QMetaType::Int);
_parameterTypeDict.insert("MLuint64", QMetaType::ULongLong);
_parameterTypeDict.insert("MLint64", QMetaType::LongLong);
_parameterTypeDict.insert("MLuint", QMetaType::ULongLong);
_parameterTypeDict.insert("MLint", QMetaType::LongLong);
_parameterTypeDict.insert("MLfloat", QMetaType::Float);
_parameterTypeDict.insert("MLdouble", QMetaType::Double);
#endif
// QVariant names
_parameterTypeDict.insert("Q_LLONG", QMetaType::LongLong);
_parameterTypeDict.insert("Q_ULLONG", QMetaType::ULongLong);
_parameterTypeDict.insert("qlonglong", QMetaType::LongLong);
_parameterTypeDict.insert("qulonglong", QMetaType::ULongLong);
_parameterTypeDict.insert("qint64", QMetaType::LongLong);
_parameterTypeDict.insert("quint64", QMetaType::ULongLong);
_parameterTypeDict.insert("QVariantHash", QMetaType::QVariantHash);
_parameterTypeDict.insert("QVariantMap", QMetaType::QVariantMap);
_parameterTypeDict.insert("QVariantList", QMetaType::QVariantList);
_parameterTypeDict.insert("QHash<QString,QVariant>", QMetaType::QVariantHash);
_parameterTypeDict.insert("QMap<QString,QVariant>", QMetaType::QVariantMap);
_parameterTypeDict.insert("QList<QVariant>", QMetaType::QVariantList);
_parameterTypeDict.insert("QStringList", QMetaType::QStringList);
_parameterTypeDict.insert("QBitArray", QMetaType::QBitArray);
_parameterTypeDict.insert("QDate", QMetaType::QDate);
_parameterTypeDict.insert("QTime", QMetaType::QTime);
_parameterTypeDict.insert("QDateTime", QMetaType::QDateTime);
_parameterTypeDict.insert("QUrl", QMetaType::QUrl);
_parameterTypeDict.insert("QLocale", QMetaType::QLocale);
_parameterTypeDict.insert("QRect", QMetaType::QRect);
_parameterTypeDict.insert("QRectF", QMetaType::QRectF);
_parameterTypeDict.insert("QSize", QMetaType::QSize);
_parameterTypeDict.insert("QSizeF", QMetaType::QSizeF);
_parameterTypeDict.insert("QLine", QMetaType::QLine);
_parameterTypeDict.insert("QLineF", QMetaType::QLineF);
_parameterTypeDict.insert("QPoint", QMetaType::QPoint);
_parameterTypeDict.insert("QPointF", QMetaType::QPointF);
_parameterTypeDict.insert("QRegExp", QMetaType::QRegExp);
_parameterTypeDict.insert("QFont", QMetaType::QFont);
_parameterTypeDict.insert("QPixmap", QMetaType::QPixmap);
_parameterTypeDict.insert("QBrush", QMetaType::QBrush);
_parameterTypeDict.insert("QColor", QMetaType::QColor);
_parameterTypeDict.insert("QCursor", QMetaType::QCursor);
_parameterTypeDict.insert("QPalette", QMetaType::QPalette);
_parameterTypeDict.insert("QIcon", QMetaType::QIcon);
_parameterTypeDict.insert("QImage", QMetaType::QImage);
_parameterTypeDict.insert("QRegion", QMetaType::QRegion);
_parameterTypeDict.insert("QBitmap", QMetaType::QBitmap);
_parameterTypeDict.insert("QSizePolicy", QMetaType::QSizePolicy);
_parameterTypeDict.insert("QKeySequence", QMetaType::QKeySequence);
_parameterTypeDict.insert("QPen", QMetaType::QPen);
_parameterTypeDict.insert("QTextLength", QMetaType::QTextLength);
_parameterTypeDict.insert("QTextFormat", QMetaType::QTextFormat);
_parameterTypeDict.insert("QMatrix", QMetaType::QMatrix);
_parameterTypeDict.insert("QVariant", PythonQtMethodInfo::Variant);
// own special types... (none so far, could be e.g. ObjectList
}
QHash<QByteArray, int>::const_iterator it = _parameterTypeDict.find(name);
if (it!=_parameterTypeDict.end()) {
return it.value();
} else {
return PythonQtMethodInfo::Unknown;
}
}
void PythonQtMethodInfo::cleanupCachedMethodInfos()
{
QHashIterator<QByteArray, PythonQtMethodInfo *> i(_cachedSignatures);
while (i.hasNext()) {
delete i.next().value();
}
_cachedSignatures.clear();
_cachedParameterInfos.clear();
}
void PythonQtMethodInfo::addParameterTypeAlias(const QByteArray& alias, const QByteArray& name)
{
_parameterNameAliases.insert(alias, name);
}
const PythonQtMethodInfo::ParameterInfo& PythonQtMethodInfo::getParameterInfoForMetaType(int type)
{
QHash<int, ParameterInfo>::ConstIterator it = _cachedParameterInfos.find(type);
if (it != _cachedParameterInfos.constEnd()) {
return it.value();
}
ParameterInfo info;
fillParameterInfo(info, QMetaType::typeName(type));
_cachedParameterInfos.insert(type, info);
return _cachedParameterInfos[type];
}
//-------------------------------------------------------------------------------------------------
void PythonQtSlotInfo::deleteOverloadsAndThis()
{
PythonQtSlotInfo* cur = this;
while(cur) {
PythonQtSlotInfo* next = cur->nextInfo();
delete cur;
cur = next;
}
}
QString PythonQtSlotInfo::fullSignature(bool skipReturnValue, int optionalArgsIndex) const
{
int firstArgOffset = isInstanceDecorator()?2:1;
QString result;
QByteArray sig = slotName();
QList<QByteArray> names = _meta.parameterNames();
bool isStatic = false;
bool isConstructor = false;
bool isDestructor = false;
if (_type == ClassDecorator) {
if (sig.startsWith("new_")) {
sig = sig.mid(4);
isConstructor = true;
}
else if (sig.startsWith("py_q_")) {
sig = sig.mid(5);
}
else if (sig.startsWith("delete_")) {
sig = sig.mid(7);
isDestructor = true;
} else if(sig.startsWith("static_")) {
isStatic = true;
sig = sig.mid(7);
int idx = sig.indexOf("_");
if (idx>=0) {
sig = sig.mid(idx+1);
}
}
}
result += sig;
result += "(";
for (int i = firstArgOffset; i<_parameters.count(); i++) {
if ((optionalArgsIndex + firstArgOffset) == i) {
result += " [";
}
if (i!=firstArgOffset) {
result += ", ";
}
//if (_parameters.at(i).isConst) {
// result += "const ";
//}
if (_parameters.at(i).name == "bool" && _parameters.at(i).pointerCount == 1) {
result += "PythonQt.BoolResult";
} else {
result += _parameters.at(i).name;
}
//if (_parameters.at(i).pointerCount) {
// QByteArray stars;
// stars.fill('*', _parameters.at(i).pointerCount);
// result += stars;
//}
if (!names.at(i-1).isEmpty()) {
result += " ";
result += names.at(i-1);
}
}
if (optionalArgsIndex != -1) {
result += "]";
}
result += ")";
if (isStatic) {
result = QString("static ") + result;
}
if (isConstructor) {
// result = QString("constructor ") + result;
}
if (isDestructor) {
result = QString("~") + result;
}
if (!skipReturnValue) {
if (!_parameters.at(0).name.isEmpty()) {
result += " -> ";
result += _parameters.at(0).name;
}
}
return result;
}
QByteArray PythonQtSlotInfo::slotName(bool removeDecorators) const
{
QByteArray name = PythonQtUtils::methodName(_meta);
if (removeDecorators) {
if (name.startsWith("py_q_")) {
name = name.mid(5);
} else
if (name.startsWith("static_")) {
name = name.mid(7);
int idx = name.indexOf("_");
if (idx>=0) {
name = name.mid(idx+1);
}
}
}
return name;
}
QByteArray PythonQtSlotInfo::signature() const
{
return PythonQtUtils::signature(_meta);
}
QStringList PythonQtSlotInfo::overloads(bool skipReturnValue) const
{
const PythonQtSlotInfo* info = this;
QList<const PythonQtSlotInfo*> list;
do {
list << info;
info = info->nextInfo();
} while (info);
QList<const PythonQtSlotInfo*> all = list;
QStringList results;
while (!list.isEmpty()) {
const PythonQtSlotInfo* current = list.takeFirst();
int minSameArgs = 1000;
QList<PythonQtMethodInfo::ParameterInfo> currentArguments = current->arguments();
int maxArgs = currentArguments.size();
const PythonQtSlotInfo* maxArgSlot = current;
QList<const PythonQtSlotInfo*> slotsWithSameArgs;
slotsWithSameArgs << current;
QMutableListIterator<const PythonQtSlotInfo*> it(all);
while (it.hasNext()) {
const PythonQtSlotInfo* other = it.next();
// same slot...
if (other == current) {
continue;
}
// different return types...
if (other->parameters().at(0).name != current->parameters().at(0).name) {
continue;
}
QList<PythonQtMethodInfo::ParameterInfo> otherArguments = other->arguments();
int paramCount = qMin(currentArguments.size(), otherArguments.size());
int sameArgs = 0;
for (int i = 0; i<paramCount; i++) {
if (currentArguments.at(i).name == otherArguments.at(i).name) {
sameArgs++;
} else {
break;
}
}
if (sameArgs > 0 && sameArgs == paramCount) {
slotsWithSameArgs << other;
minSameArgs = qMin(sameArgs, minSameArgs);
if (otherArguments.size() > maxArgs) {
maxArgs = otherArguments.size();
maxArgSlot = other;
current = other;
currentArguments = otherArguments;
}
}
}
if (slotsWithSameArgs.size() > 1) {
results << maxArgSlot->fullSignature(skipReturnValue, minSameArgs);
foreach(const PythonQtSlotInfo* o, slotsWithSameArgs) {
list.removeOne(o);
}
} else {
results << current->fullSignature(skipReturnValue);
}
}
return results;
}
QList<PythonQtMethodInfo::ParameterInfo> PythonQtSlotInfo::arguments() const
{
QList<PythonQtMethodInfo::ParameterInfo> result;
for (int i = isInstanceDecorator()?2:1; i<_parameters.size(); i++) {
result << _parameters[i];
}
return result;
}
QByteArray PythonQtSlotInfo::getImplementingClassName() const
{
if (isInstanceDecorator()) {
return _parameters.at(1).name;
} else if (isClassDecorator()) {
QByteArray name = PythonQtUtils::methodName(_meta);
if (name.startsWith("static_")) {
name = name.mid(7);
int idx = name.indexOf("_");
name = name.mid(0, idx);
return name;
} else {
return name;
}
} else {
return _meta.enclosingMetaObject()->className();
}
}
void PythonQtSlotInfo::invokeQtMethod(QObject* obj, PythonQtSlotInfo* slot, void** args)
{
if (slot->shouldAllowThreads() && _globalShouldAllowThreads) {
PYTHONQT_ALLOW_THREADS_SCOPE
obj->qt_metacall(QMetaObject::InvokeMetaMethod, slot->slotIndex(), args);
} else {
obj->qt_metacall(QMetaObject::InvokeMetaMethod, slot->slotIndex(), args);
}
}
void PythonQtSlotInfo::setGlobalShouldAllowThreads(bool flag)
{
_globalShouldAllowThreads = flag;
}
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