C++ IDispatch::GetTypeInfo方法代码示例

// @pymethod <o PyITypeInfo>|PyIDispatch|GetTypeInfo|Get type information for the object.
PyObject *PyIDispatch::GetTypeInfo(PyObject *self, PyObject *args)
{
	LCID locale = LOCALE_USER_DEFAULT;
	int index = 0;
	// @pyparm int|locale|LOCALE_USER_DEFAULT|The locale to use.
	// @pyparm int|index|0|The index of the typelibrary to fetch.
	// Note that these params are reversed from the win32 call.
	if (!PyArg_ParseTuple(args, "|ii:GetTypeInfo", &locale, &index))
		return NULL;

	IDispatch *pMyDispatch = GetI(self);
	if (pMyDispatch==NULL) return NULL;
	ITypeInfo *pti = NULL;
	PY_INTERFACE_PRECALL;
	SCODE sc = pMyDispatch->GetTypeInfo(index, locale, &pti);
	PY_INTERFACE_POSTCALL;
	if (sc!=S_OK) // S_OK is only acceptable result.
		return PyCom_BuildPyException(sc, pMyDispatch, IID_IDispatch);
	return PyCom_PyObjectFromIUnknown(pti, IID_ITypeInfo);
}

static void get_interfacename( IUnknown *punk, VARIANT *vres )
{
	HRESULT hr;
	IDispatch *pDisp;
	ITypeInfo *pTI;
	BSTR bstr = NULL;
	hr = punk->QueryInterface( IID_IDispatch, (void **)&pDisp );
	if ( SUCCEEDED(hr) && pDisp != NULL ) {
		hr = pDisp->GetTypeInfo( 0, LOCALE_USER_DEFAULT, &pTI );
		if ( SUCCEEDED(hr) && pTI != NULL ) {
			hr = pTI->GetDocumentation( MEMBERID_NIL, &bstr, NULL, NULL, NULL );
			pTI->Release();
		}
		pDisp->Release();
	}
	if ( bstr == NULL ) {
		bstr = SysAllocString( L"" );
	}
	vres->bstrVal = bstr;
	vres->vt = VT_BSTR;
}

QString qax_generateDocumentation(QAxBase *that)
{
    that->metaObject();

    if (that->isNull())
	return QString();

    ITypeInfo *typeInfo = 0;
    IDispatch *dispatch = 0;
    that->queryInterface(IID_IDispatch, (void**)&dispatch);
    if (dispatch)
	dispatch->GetTypeInfo(0, LOCALE_SYSTEM_DEFAULT, &typeInfo);

    QString docu;
    QTextStream stream(&docu, QIODevice::WriteOnly);

    const QMetaObject *mo = that->metaObject();
    QString coClass  = QLatin1String(mo->classInfo(mo->indexOfClassInfo("CoClass")).value());

    stream << "<h1 align=center>" << coClass << " Reference</h1>" << endl;
    stream << "<p>The " << coClass << " COM object is a " << that->qObject()->metaObject()->className();
    stream << " with the CLSID " <<  that->control() << ".</p>" << endl;

    stream << "<h3>Interfaces</h3>" << endl;
    stream << "<ul>" << endl;
    const char *inter = 0;
    int interCount = 1;
    while ((inter = mo->classInfo(mo->indexOfClassInfo("Interface " + QByteArray::number(interCount))).value())) {
	stream << "<li>" << inter << endl;
	interCount++;
    }
    stream << "</ul>" << endl;

    stream << "<h3>Event Interfaces</h3>" << endl;
    stream << "<ul>" << endl;
    interCount = 1;  
    while ((inter = mo->classInfo(mo->indexOfClassInfo("Event Interface " + QByteArray::number(interCount))).value())) {
	stream << "<li>" << inter << endl;
	interCount++;
    }
    stream << "</ul>" << endl;

    QList<QString> methodDetails, propDetails;

    const int slotCount = mo->methodCount();
    if (slotCount) {
	stream << "<h2>Public Slots:</h2>" << endl;
	stream << "<ul>" << endl;

        int defArgCount = 0;
	for (int islot = mo->methodOffset(); islot < slotCount; ++islot) {
	    const QMetaMethod slot = mo->method(islot);
            if (slot.methodType() != QMetaMethod::Slot)
                continue;

            if (slot.attributes() & QMetaMethod::Cloned) {
                ++defArgCount;
                continue;
            }

	    QByteArray returntype(slot.typeName());
            if (returntype.isEmpty())
                returntype = "void";
            QByteArray prototype = namedPrototype(slot.parameterTypes(), slot.parameterNames(), defArgCount);
            QByteArray signature = slot.methodSignature();
	    QByteArray name = signature.left(signature.indexOf('('));
	    stream << "<li>" << returntype << " <a href=\"#" << name << "\"><b>" << name << "</b></a>" << prototype << ";</li>" << endl;
            
            prototype = namedPrototype(slot.parameterTypes(), slot.parameterNames());
	    QString detail = QString::fromLatin1("<h3><a name=") + QString::fromLatin1(name.constData()) + QLatin1String("></a>") +
                             QLatin1String(returntype.constData()) + QLatin1Char(' ') +
                             QLatin1String(name.constData()) + QLatin1Char(' ') +
                             QString::fromLatin1(prototype.constData()) + QLatin1String("<tt> [slot]</tt></h3>\n");
            prototype = namedPrototype(slot.parameterTypes(), QList<QByteArray>());
	    detail += docuFromName(typeInfo, QString::fromLatin1(name.constData()));
	    detail += QLatin1String("<p>Connect a signal to this slot:<pre>\n");
	    detail += QString::fromLatin1("\tQObject::connect(sender, SIGNAL(someSignal") + QString::fromLatin1(prototype.constData()) +
                      QLatin1String("), object, SLOT(") + QString::fromLatin1(name.constData()) +
                      QString::fromLatin1(prototype.constData()) + QLatin1String("));");
	    detail += QLatin1String("</pre>\n");

            if (1) {
                detail += QLatin1String("<p>Or call the function directly:<pre>\n");

                bool hasParams = slot.parameterTypes().count() != 0;
                if (hasParams)
                    detail += QLatin1String("\tQVariantList params = ...\n");
                detail += QLatin1String("\t");
                QByteArray functionToCall = "dynamicCall";
                if (returntype == "IDispatch*" || returntype == "IUnknown*") {
                    functionToCall = "querySubObject";
                    returntype = "QAxObject *";
                }
                if (returntype != "void")
                    detail += QLatin1String(returntype.constData()) + QLatin1String(" result = ");
                detail += QLatin1String("object->") + QLatin1String(functionToCall.constData()) +
                          QLatin1String("(\"" + name + prototype + '\"');
                if (hasParams)
                    detail += QLatin1String(", params");
                detail += QLatin1Char(')');
//.........这里部分代码省略.........