C++ Snapshot::insert方法代码示例

bool QtCreatorIntegration::navigateToSlot(const QString &objectName,
                                          const QString &signalSignature,
                                          const QStringList &parameterNames,
                                          QString *errorMessage)
{
    const EditorData ed = m_few->activeEditor();
    QTC_ASSERT(ed, return false)
    const QString currentUiFile = ed.formWindowEditor->file()->fileName();
#if 0
    return Designer::Internal::navigateToSlot(currentUiFile, objectName, signalSignature, parameterNames, errorMessage);
#endif
    // TODO: we should pass to findDocumentsIncluding an absolute path to generated .h file from ui.
    // Currently we are guessing the name of ui_<>.h file and pass the file name only to the findDocumentsIncluding().
    // The idea is that the .pro file knows if the .ui files is inside, and the .pro file knows it will
    // be generating the ui_<>.h file for it, and the .pro file knows what the generated file's name and its absolute path will be.
    // So we should somehow get that info from project manager (?)
    const QFileInfo fi(currentUiFile);
    const QString uicedName = QLatin1String("ui_") + fi.completeBaseName() + QLatin1String(".h");

    // Retrieve code model snapshot restricted to project of ui file.
    const ProjectExplorer::Project *uiProject = ProjectExplorer::ProjectExplorerPlugin::instance()->session()->projectForFile(currentUiFile);
    if (!uiProject) {
        *errorMessage = tr("Internal error: No project could be found for %1.").arg(currentUiFile);
        return false;
    }
    CPlusPlus::Snapshot docTable = CppModelManagerInterface::instance()->snapshot();
    CPlusPlus::Snapshot newDocTable;

    for  (CPlusPlus::Snapshot::iterator it = docTable.begin(); it != docTable.end(); ++it) {
        const ProjectExplorer::Project *project = ProjectExplorer::ProjectExplorerPlugin::instance()->session()->projectForFile(it.key());
        if (project == uiProject)
            newDocTable.insert(it.value());
    }

    docTable = newDocTable;

    // take all docs, find the ones that include the ui_xx.h.
    QList<Document::Ptr> docList = findDocumentsIncluding(docTable, uicedName, true); // change to false when we know the absolute path to generated ui_<>.h file

    if (Designer::Constants::Internal::debug)
        qDebug() << Q_FUNC_INFO << objectName << signalSignature << "Looking for " << uicedName << " returned " << docList.size();
    if (docList.isEmpty()) {
        *errorMessage = tr("No documents matching '%1' could be found.\nRebuilding the project might help.").arg(uicedName);
        return false;
    }

    QDesignerFormWindowInterface *fwi = ed.widgetHost->formWindow();

    const QString uiClass = uiClassName(fwi->mainContainer()->objectName());

    if (Designer::Constants::Internal::debug)
        qDebug() << "Checking docs for " << uiClass;

    // Find the class definition (ui class defined as member or base class)
    // in the file itself or in the directly included files (order 1).
    QString namespaceName;
    const Class *cl = 0;
    Document::Ptr doc;

    foreach (const Document::Ptr &d, docList) {
        const ClassDocumentPtrPair cd = findClassRecursively(docTable, d, uiClass, 1u , &namespaceName);
        if (cd.first) {
            cl = cd.first;
            doc = cd.second;
            break;
        }
    }
    if (!cl) {
        *errorMessage = msgClassNotFound(uiClass, docList);
        return false;
    }

    Overview o;
    const QString className = namespaceName + o.prettyName(cl->name());
    if (Designer::Constants::Internal::debug)
        qDebug() << "Found class  " << className << doc->fileName();

    const QString functionName = QLatin1String("on_") + objectName + QLatin1Char('_') + signalSignature;
    const QString functionNameWithParameterNames = addParameterNames(functionName, parameterNames);

    if (Designer::Constants::Internal::debug)
        qDebug() << Q_FUNC_INFO << "Found " << uiClass << doc->fileName() << " checking " << functionName  << functionNameWithParameterNames;

    int line = 0;
    Document::Ptr sourceDoc;

    if (Function *fun = findDeclaration(cl, functionName)) {
        sourceDoc = findDefinition(fun, &line);
        if (!sourceDoc) {
            // add function definition to cpp file
            sourceDoc = addDefinition(docTable, doc->fileName(), className, functionNameWithParameterNames, &line);
        }
    } else {
        // add function declaration to cl
        CppModelManagerInterface::WorkingCopy workingCopy =
            CppModelManagerInterface::instance()->workingCopy();
        const QString fileName = doc->fileName();
        getParsedDocument(fileName, workingCopy, docTable);
        addDeclaration(docTable, fileName, cl, functionNameWithParameterNames);

//.........这里部分代码省略.........