C++ UiObjectMember类代码示例

void TypeDescriptionReader::readParameter(UiObjectDefinition *ast, FakeMetaMethod *fmm)
{
    QString name;
    QString type;

    for (UiObjectMemberList *it = ast->initializer->members; it; it = it->next) {
        UiObjectMember *member = it->member;
        UiScriptBinding *script = dynamic_cast<UiScriptBinding *>(member);
        if (!script) {
            addWarning(member->firstSourceLocation(), tr("Expected script binding."));
            continue;
        }

        const QString id = toString(script->qualifiedId);
        if (id == QLatin1String("name")) {
            name = readStringBinding(script);
        } else if (id == QLatin1String("type")) {
            type = readStringBinding(script);
        } else if (id == QLatin1String("isPointer")) {
            // ### unhandled
        } else if (id == QLatin1String("isReadonly")) {
            // ### unhandled
        } else if (id == QLatin1String("isList")) {
            // ### unhandled
        } else {
            addWarning(script->firstSourceLocation(), tr("Expected only name and type script bindings."));
        }
    }

    fmm->addParameter(name, type);
}

void TypeDescriptionReader::readModuleApi(UiObjectDefinition *ast)
{
    ModuleApiInfo apiInfo;

    for (UiObjectMemberList *it = ast->initializer->members; it; it = it->next) {
        UiObjectMember *member = it->member;
        UiScriptBinding *script = dynamic_cast<UiScriptBinding *>(member);

        if (script) {
            const QString name = toString(script->qualifiedId);
            if (name == QLatin1String("uri")) {
                apiInfo.uri = readStringBinding(script);
            } else if (name == QLatin1String("version")) {
                apiInfo.version = readNumericVersionBinding(script);
            } else if (name == QLatin1String("name")) {
                apiInfo.cppName = readStringBinding(script);
            } else {
                addWarning(script->firstSourceLocation(),
                           tr("Expected only uri, version and name script bindings."));
            }
        } else {
            addWarning(member->firstSourceLocation(), tr("Expected only script bindings."));
        }
    }

    if (!apiInfo.version.isValid()) {
        addError(ast->firstSourceLocation(), tr("ModuleApi definition has no or invalid version binding."));
        return;
    }

    if (_moduleApis)
        _moduleApis->append(apiInfo);
}

void TypeDescriptionReader::readComponent(UiObjectDefinition *ast)
{
    FakeMetaObject::Ptr fmo(new FakeMetaObject);

    for (UiObjectMemberList *it = ast->initializer->members; it; it = it->next) {
        UiObjectMember *member = it->member;
        UiObjectDefinition *component = dynamic_cast<UiObjectDefinition *>(member);
        UiScriptBinding *script = dynamic_cast<UiScriptBinding *>(member);
        if (component) {
            QString name = toString(component->qualifiedTypeNameId);
            if (name == "Property") {
                readProperty(component, fmo);
            } else if (name == "Method" || name == "Signal") {
                readSignalOrMethod(component, name == "Method", fmo);
            } else if (name == "Enum") {
                readEnum(component, fmo);
            } else {
                addWarning(component->firstSourceLocation(), "Expected only Property, Method, Signal and Enum object definitions");
            }
        } else if (script) {
            QString name = toString(script->qualifiedId);
            if (name == "name") {
                fmo->setClassName(readStringBinding(script));
            } else if (name == "prototype") {
                fmo->setSuperclassName(readStringBinding(script));
            } else if (name == "defaultProperty") {
                fmo->setDefaultPropertyName(readStringBinding(script));
            } else if (name == "exports") {
                readExports(script, fmo);
            } else if (name == "exportMetaObjectRevisions") {
                readMetaObjectRevisions(script, fmo);
            } else if (name == "attachedType") {
                fmo->setAttachedTypeName(readStringBinding(script));
            } else {
                addWarning(script->firstSourceLocation(),
                           "Expected only name, prototype, defaultProperty, attachedType, exports"
                           "and exportMetaObjectRevisions script bindings");
            }
        } else {
            addWarning(member->firstSourceLocation(), "Expected only script bindings and object definitions");
        }
    }

    if (fmo->className().isEmpty()) {
        addError(ast->firstSourceLocation(), "Component definition is missing a name binding");
        return;
    }

    // ### add implicit export into the package of c++ types
    fmo->addExport(fmo->className(), QmlJS::CppQmlTypes::cppPackage, ComponentVersion());
    _objects->insert(fmo->className(), fmo);
}

void Rewriter::appendToArrayBinding(UiArrayBinding *arrayBinding,
                                    const QString &content)
{
    UiObjectMember *lastMember = 0;
    for (UiArrayMemberList *iter = arrayBinding->members; iter; iter = iter->next)
        if (iter->member)
            lastMember = iter->member;

    if (!lastMember)
        return; // an array binding cannot be empty, so there will (or should) always be a last member.

    const int insertionPoint = lastMember->lastSourceLocation().end();

    m_changeSet->insert(insertionPoint, QLatin1String(",\n") + content);
}

    void appendToArray(UiArrayBinding *ast)
    {
        UiObjectMember *lastMember = 0;

        for (UiArrayMemberList *iter = ast->members; iter; iter = iter->next) {
            if (iter->member)
                lastMember = iter->member;
        }

        if (!lastMember)
            Q_ASSERT(!"Invalid QML: empty array found.");

        moveInfo.destination = lastMember->lastSourceLocation().end();
        moveInfo.suffixToInsert = QLatin1String(",\n");
        move(moveInfo);
    }

void Rewriter::insertIntoArray(UiArrayBinding *ast, const QString &newValue)
{
    if (!ast)
        return;

    UiObjectMember *lastMember = 0;
    for (UiArrayMemberList *iter = ast->members; iter; iter = iter->next) {
        lastMember = iter->member;
    }

    if (!lastMember)
        return;

    const int insertionPoint = lastMember->lastSourceLocation().end();
    m_changeSet->insert(insertionPoint, QLatin1String(",\n") + newValue);
}

// FIXME: duplicate code in the QmlJS::Rewriter class, remove this
void AddArrayMemberVisitor::insertInto(QmlJS::AST::UiArrayBinding *arrayBinding)
{
    UiObjectMember *lastMember = 0;
    for (UiArrayMemberList *iter = arrayBinding->members; iter; iter = iter->next)
        if (iter->member)
            lastMember = iter->member;

    if (!lastMember)
        return; // an array binding cannot be empty, so there will (or should) always be a last member.

    const int insertionPoint = lastMember->lastSourceLocation().end();
    const int indentDepth = calculateIndentDepth(lastMember->firstSourceLocation());

    replace(insertionPoint, 0, QLatin1String(",\n") + addIndentation(m_content, indentDepth));

    setDidRewriting(true);
}

void TypeDescriptionReader::readSignalOrMethod(UiObjectDefinition *ast, bool isMethod, FakeMetaObject::Ptr fmo)
{
    FakeMetaMethod fmm;
    // ### confusion between Method and Slot. Method should be removed.
    if (isMethod)
        fmm.setMethodType(FakeMetaMethod::Slot);
    else
        fmm.setMethodType(FakeMetaMethod::Signal);

    for (UiObjectMemberList *it = ast->initializer->members; it; it = it->next) {
        UiObjectMember *member = it->member;
        UiObjectDefinition *component = dynamic_cast<UiObjectDefinition *>(member);
        UiScriptBinding *script = dynamic_cast<UiScriptBinding *>(member);
        if (component) {
            QString name = toString(component->qualifiedTypeNameId);
            if (name == "Parameter") {
                readParameter(component, &fmm);
            } else {
                addWarning(component->firstSourceLocation(), "Expected only Parameter object definitions");
            }
        } else if (script) {
            QString name = toString(script->qualifiedId);
            if (name == "name") {
                fmm.setMethodName(readStringBinding(script));
            } else if (name == "type") {
                fmm.setReturnType(readStringBinding(script));
            } else if (name == "revision") {
                fmm.setRevision(readIntBinding(script));
            } else {
                addWarning(script->firstSourceLocation(), "Expected only name and type script bindings");
            }

        } else {
            addWarning(member->firstSourceLocation(), "Expected only script bindings and object definitions");
        }
    }

    if (fmm.methodName().isEmpty()) {
        addError(ast->firstSourceLocation(), "Method or Signal is missing a name script binding");
        return;
    }

    fmo->addMethod(fmm);
}

// FIXME: duplicate code in the QmlJS::Rewriter class, remove this
void ChangePropertyVisitor::insertIntoArray(QmlJS::AST::UiArrayBinding *ast)
{
    if (!ast)
        return;

    UiObjectMember *lastMember = 0;
    for (UiArrayMemberList *iter = ast->members; iter; iter = iter->next) {
        lastMember = iter->member;
    }

    if (!lastMember)
        return;

    const int insertionPoint = lastMember->lastSourceLocation().end();
    const int depth = calculateIndentDepth(lastMember->firstSourceLocation());
    const QString indentedArrayMember = addIndentation(m_value, depth);
    replace(insertionPoint, 0, QStringLiteral(",\n") + indentedArrayMember);
    setDidRewriting(true);
}

void TypeDescriptionReader::readProperty(UiObjectDefinition *ast, FakeMetaObject::Ptr fmo)
{
    QString name;
    QString type;
    bool isPointer = false;
    bool isReadonly = false;
    bool isList = false;
    int revision = 0;

    for (UiObjectMemberList *it = ast->initializer->members; it; it = it->next) {
        UiObjectMember *member = it->member;
        UiScriptBinding *script = dynamic_cast<UiScriptBinding *>(member);
        if (!script) {
            addWarning(member->firstSourceLocation(), "Expected script binding");
            continue;
        }

        QString id = toString(script->qualifiedId);
        if (id == "name") {
            name = readStringBinding(script);
        } else if (id == "type") {
            type = readStringBinding(script);
        } else if (id == "isPointer") {
            isPointer = readBoolBinding(script);
        } else if (id == "isReadonly") {
            isReadonly = readBoolBinding(script);
        } else if (id == "isList") {
            isList = readBoolBinding(script);
        } else if (id == "revision") {
            revision = readIntBinding(script);
        } else {
            addWarning(script->firstSourceLocation(), "Expected only type, name, revision, isPointer, isReadonly and isList script bindings");
        }
    }

    if (name.isEmpty() || type.isEmpty()) {
        addError(ast->firstSourceLocation(), "Property object is missing a name or type script binding");
        return;
    }

    fmo->addProperty(FakeMetaProperty(name, type, isList, !isReadonly, isPointer, revision));
}

void TypeDescriptionReader::readModule(UiObjectDefinition *ast)
{
    for (UiObjectMemberList *it = ast->initializer->members; it; it = it->next) {
        UiObjectMember *member = it->member;
        UiObjectDefinition *component = dynamic_cast<UiObjectDefinition *>(member);

        QString typeName;
        if (component)
            typeName = toString(component->qualifiedTypeNameId);

        if (!component || (typeName != QLatin1String("Component") && typeName != QLatin1String("ModuleApi"))) {
            addWarning(member->firstSourceLocation(),
                       tr("Expected only Component and ModuleApi object definitions."));
            continue;
        }

        if (typeName == QLatin1String("Component"))
            readComponent(component);
        else if (typeName == QLatin1String("ModuleApi"))
            readModuleApi(component);
    }
}

void TypeDescriptionReader::readEnum(UiObjectDefinition *ast, FakeMetaObject::Ptr fmo)
{
    FakeMetaEnum fme;

    for (UiObjectMemberList *it = ast->initializer->members; it; it = it->next) {
        UiObjectMember *member = it->member;
        UiScriptBinding *script = dynamic_cast<UiScriptBinding *>(member);
        if (!script) {
            addWarning(member->firstSourceLocation(), tr("Expected script binding."));
            continue;
        }

        QString name = toString(script->qualifiedId);
        if (name == QLatin1String("name"))
            fme.setName(readStringBinding(script));
        else if (name == QLatin1String("values"))
            readEnumValues(script, &fme);
        else
            addWarning(script->firstSourceLocation(), tr("Expected only name and values script bindings."));
    }

    fmo->addEnum(fme);
}

void TypeDescriptionReader::readComponent(UiObjectDefinition *ast)
{
    FakeMetaObject::Ptr fmo(new FakeMetaObject);

    for (UiObjectMemberList *it = ast->initializer->members; it; it = it->next) {
        UiObjectMember *member = it->member;
        UiObjectDefinition *component = dynamic_cast<UiObjectDefinition *>(member);
        UiScriptBinding *script = dynamic_cast<UiScriptBinding *>(member);
        if (component) {
            QString name = toString(component->qualifiedTypeNameId);
            if (name == QLatin1String("Property"))
                readProperty(component, fmo);
            else if (name == QLatin1String("Method") || name == QLatin1String("Signal"))
                readSignalOrMethod(component, name == QLatin1String("Method"), fmo);
            else if (name == QLatin1String("Enum"))
                readEnum(component, fmo);
            else
                addWarning(component->firstSourceLocation(),
                           tr("Expected only Property, Method, Signal and Enum object definitions, not \"%1\".")
                           .arg(name));
        } else if (script) {
            QString name = toString(script->qualifiedId);
            if (name == QLatin1String("name")) {
                fmo->setClassName(readStringBinding(script));
            } else if (name == QLatin1String("prototype")) {
                fmo->setSuperclassName(readStringBinding(script));
            } else if (name == QLatin1String("defaultProperty")) {
                fmo->setDefaultPropertyName(readStringBinding(script));
            } else if (name == QLatin1String("exports")) {
                readExports(script, fmo);
            } else if (name == QLatin1String("exportMetaObjectRevisions")) {
                readMetaObjectRevisions(script, fmo);
            } else if (name == QLatin1String("attachedType")) {
                fmo->setAttachedTypeName(readStringBinding(script));
            } else if (name == QLatin1String("isSingleton")) {
                fmo->setIsSingleton(readBoolBinding(script));
            } else if (name == QLatin1String("isCreatable")) {
                fmo->setIsCreatable(readBoolBinding(script));
            } else if (name == QLatin1String("isComposite")) {
                fmo->setIsComposite(readBoolBinding(script));
            } else {
                addWarning(script->firstSourceLocation(),
                           tr("Expected only name, prototype, defaultProperty, attachedType, exports "
                              "isSingleton, isCreatable, isComposite and exportMetaObjectRevisions "
                              "script bindings, not \"%1\".").arg(name));
            }
        } else {
            addWarning(member->firstSourceLocation(), tr("Expected only script bindings and object definitions."));
        }
    }

    if (fmo->className().isEmpty()) {
        addError(ast->firstSourceLocation(), tr("Component definition is missing a name binding."));
        return;
    }

    // ### add implicit export into the package of c++ types
    fmo->addExport(fmo->className(), QmlJS::CppQmlTypes::cppPackage, ComponentVersion());
    fmo->updateFingerprint();
    _objects->insert(fmo->className(), fmo);
}