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// Copyright (C) 2020 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include "metaobjectdump.h"
#include <QMetaMethod>
#include <QMetaObject>
#include <QTextStream>
QT_USE_NAMESPACE
using rightAlignNumber = QPair<int, int>; // Use as str << rightAlignNumber(value, width)
QTextStream &operator<<(QTextStream &str, const rightAlignNumber &r)
{
auto oldWidth = str.fieldWidth();
str.setFieldWidth(r.second);
auto oldAlignment = str.fieldAlignment();
str.setFieldAlignment(QTextStream::AlignRight);
str << r.first;
str.setFieldAlignment(oldAlignment);
str.setFieldWidth(oldWidth);
return str;
}
QTextStream &operator<<(QTextStream &str, const QMetaEnum &me)
{
const int keyCount = me.keyCount();
str << me.name() << ' ' << keyCount << " keys";
if (me.isFlag())
str << " [flag]";
if (me.isScoped())
str << " [scoped]";
const int maxLogCount = std::min(6, keyCount);
str << " {";
for (int k = 0; k < maxLogCount; ++k) {
if (k)
str << ", ";
str << me.key(k) << " = " << me.value(k);
}
if (maxLogCount < keyCount)
str << ",...";
str << '}';
return str;
}
QTextStream &operator<<(QTextStream &str, const QMetaClassInfo &mc)
{
str << '"' << mc.name() << "\": \"" << mc.value() << '"';
return str;
}
QTextStream &operator<<(QTextStream &str, const QMetaProperty &mp)
{
str << mp.typeName() << ' ' << mp.name();
if (mp.isWritable())
str << " [writable]";
if (mp.isResettable())
str << " [resettable]";
if (mp.isDesignable())
str << " [designable]";
if (mp.isStored())
str << " [stored]";
if (mp.isUser())
str << " [user]";
if (mp.isConstant())
str << " [constant]";
if (mp.isFinal())
str << " [final]";
if (mp.isRequired())
str << " [required]";
if (mp.isFlagType())
str << " [flag]";
if (mp.isEnumType())
str << " [enum " << mp.enumerator().name() << ']';
if (mp.hasNotifySignal())
str << " [notify " << mp.notifySignal().name() << ']';
return str;
}
QTextStream &operator<<(QTextStream &str, const QMetaMethod &m)
{
switch (m.access()) {
case QMetaMethod::Private:
str << "private ";
break;
case QMetaMethod::Protected:
str << "protected ";
break;
case QMetaMethod::Public:
break;
}
str << m.typeName() << ' ' << m.methodSignature();
switch (m.methodType()) {
case QMetaMethod::Method:
break;
case QMetaMethod::Signal:
str << " [signal]";
break;
case QMetaMethod::Slot:
str << " [slot]";
break;
case QMetaMethod::Constructor:
str << " [ct]";
break;
}
if (auto attributes = m.attributes()) {
str << " attributes: " << Qt::hex << Qt::showbase << attributes
<< Qt::dec << Qt::noshowbase;
}
if (const int count = m.parameterCount()) {
str << " Parameters: ";
const auto parameterNames = m.parameterNames();
const auto parameterTypes = m.parameterTypes();
for (int p = 0; p < count; ++p) {
if (p)
str << ", ";
str << parameterTypes.at(p) << ' ' << parameterNames.at(p);
}
}
return str;
}
static void formatMetaObject(QTextStream &str, const QMetaObject *mo, const QByteArray &indent)
{
str << indent << "--- " << mo->className() << " ---\n";
const int classInfoOffset = mo->classInfoOffset();
const int classInfoCount = mo->classInfoCount();
if (classInfoOffset < classInfoCount) {
str << indent << " Class Info of " << mo->className() << ": "
<< classInfoOffset << ".." << classInfoCount << '\n';
for (int i = classInfoOffset; i < classInfoCount; ++i) {
str << indent << " " << rightAlignNumber(i, 3) << ' '
<< mo->classInfo(i) << '\n';
}
}
const int enumOffset = mo->enumeratorOffset();
const int enumCount = mo->enumeratorCount();
if (enumOffset < enumCount) {
str << indent << " Enums of " << mo->className() << ": " << enumOffset
<< ".." << enumCount << '\n';
for (int e = enumOffset; e < enumCount; ++e)
str << indent << " " << rightAlignNumber(e, 3) << ' ' << mo->enumerator(e) << '\n';
}
const int methodOffset = mo->methodOffset();
const int methodCount = mo->methodCount();
if (methodOffset < methodCount) {
str << indent << " Methods of " << mo->className() << ": " << methodOffset
<< ".." << methodCount << '\n';
for (int m = methodOffset; m < methodCount; ++m)
str << indent << " " << rightAlignNumber(m, 3) << ' ' << mo->method(m) << '\n';
}
const int propertyOffset = mo->propertyOffset();
const int propertyCount = mo-> propertyCount();
if (propertyOffset < propertyCount) {
str << indent << " Properties of " << mo->className() << ": " << propertyOffset
<< ".." << propertyCount << '\n';
for (int p = propertyOffset; p < propertyCount; ++p)
str << indent << " " << rightAlignNumber(p, 3) << ' ' << mo->property(p) << '\n';
}
}
QTextStream &operator<<(QTextStream &str, const QMetaObject &o)
{
QList<const QMetaObject *> klasses;
for (auto s = &o; s; s = s->superClass())
klasses.prepend(s);
QByteArray indent;
for (auto k : klasses) {
formatMetaObject(str, k, indent);
indent += " ";
}
return str;
}
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