C++ utils::FileReader类代码示例

bool NickNameDialog::populateModelFromMailCapFile(const QString &fileName,
                                                  QStandardItemModel *model,
                                                  QString *errorMessage)
{
    if (const int rowCount = model->rowCount())
        model->removeRows(0, rowCount);
    if (fileName.isEmpty())
        return true;
    Utils::FileReader reader;
    if (!reader.fetch(fileName, QIODevice::Text, errorMessage))
         return false;
    // Split into lines and read
    NickNameEntry entry;
    const QStringList lines = QString::fromUtf8(reader.data()).trimmed().split(QLatin1Char('\n'));
    const int count = lines.size();
    for (int i = 0; i < count; i++) {
        if (entry.parse(lines.at(i))) {
            model->appendRow(entry.toModelRow());
        } else {
            qWarning("%s: Invalid mail cap entry at line %d: '%s'\n",
                     qPrintable(QDir::toNativeSeparators(fileName)),
                     i + 1, qPrintable(lines.at(i)));
        }
    }
    model->sort(0);
    return true;
}

static QByteArray getSourceForUrl(const QString &fileURl)
{
    Utils::FileReader fileReader;

    if (fileReader.fetch(fileURl))
        return fileReader.data();
    else
        return Utils::FileReader::fetchQrc(fileURl);
}

QByteArray QmlApp::readFile(const QString &filePath, bool &ok) const
{
    Utils::FileReader reader;

    if (!reader.fetch(filePath)) {
        ok = false;
        return QByteArray();
    }

    ok = true;
    return reader.data();
}

static QString getSource(const QString &fileName,
                         const CppModelManagerInterface::WorkingCopy &workingCopy)
{
    if (workingCopy.contains(fileName)) {
        return workingCopy.source(fileName);
    } else {
        Utils::FileReader reader;
        if (!reader.fetch(fileName, QFile::Text)) // ### FIXME error reporting
            return QString();

        return QString::fromLocal8Bit(reader.data()); // ### FIXME encoding
    }
}

void QmlProject::parseProject(RefreshOptions options)
{
    Core::MessageManager *messageManager = Core::ICore::messageManager();
    if (options & Files) {
        if (options & ProjectFile)
            delete m_projectItem.data();
        if (!m_projectItem) {
            Utils::FileReader reader;
            if (reader.fetch(m_fileName)) {
                QDeclarativeComponent *component = new QDeclarativeComponent(&m_engine, this);
                component->setData(reader.data(), QUrl::fromLocalFile(m_fileName));
                if (component->isReady()
                    && qobject_cast<QmlProjectItem*>(component->create())) {
                    m_projectItem = qobject_cast<QmlProjectItem*>(component->create());
                    connect(m_projectItem.data(), SIGNAL(qmlFilesChanged(QSet<QString>,QSet<QString>)),
                            this, SLOT(refreshFiles(QSet<QString>,QSet<QString>)));
                } else {
                    messageManager->printToOutputPane(tr("Error while loading project file %1.").arg(m_fileName));
                    messageManager->printToOutputPane(component->errorString(), true);
                }
            } else {
                messageManager->printToOutputPane(tr("QML project: %1").arg(reader.errorString()), true);
            }
        }
        if (m_projectItem) {
            m_projectItem.data()->setSourceDirectory(projectDir().path());
            m_modelManager->updateSourceFiles(m_projectItem.data()->files(), true);

            QString mainFilePath = m_projectItem.data()->mainFile();
            if (!mainFilePath.isEmpty()) {
                mainFilePath = projectDir().absoluteFilePath(mainFilePath);
                if (!QFileInfo(mainFilePath).isReadable()) {
                    messageManager->printToOutputPane(
                                tr("Warning while loading project file %1.").arg(m_fileName));
                    messageManager->printToOutputPane(
                                tr("File '%1' does not exist or is not readable.").arg(mainFilePath), true);
                }
            }
        }
        m_rootNode->refresh();
    }

    if (options & Configuration) {
        // update configuration
    }

    if (options & Files)
        emit fileListChanged();
}

void QmlProject::parseProject(RefreshOptions options)
{
    if (options & Files) {
        if (options & ProjectFile)
            delete m_projectItem.data();
        if (!m_projectItem) {
              QString errorMessage;
              m_projectItem = QmlProjectFileFormat::parseProjectFile(m_fileName, &errorMessage);
              if (m_projectItem) {
                  connect(m_projectItem.data(), SIGNAL(qmlFilesChanged(QSet<QString>,QSet<QString>)),
                          this, SLOT(refreshFiles(QSet<QString>,QSet<QString>)));

              } else {
                  MessageManager::write(tr("Error while loading project file %1.")
                                        .arg(m_fileName.toUserOutput()),
                                        MessageManager::NoModeSwitch);
                  MessageManager::write(errorMessage);
              }
        }
        if (m_projectItem) {
            m_projectItem.data()->setSourceDirectory(projectDir().path());
            if (modelManager())
                modelManager()->updateSourceFiles(m_projectItem.data()->files(), true);

            QString mainFilePath = m_projectItem.data()->mainFile();
            if (!mainFilePath.isEmpty()) {
                mainFilePath = projectDir().absoluteFilePath(mainFilePath);
                Utils::FileReader reader;
                QString errorMessage;
                if (!reader.fetch(mainFilePath, &errorMessage)) {
                    MessageManager::write(tr("Warning while loading project file %1.")
                                          .arg(m_fileName.toUserOutput()));
                    MessageManager::write(errorMessage);
                } else {
                    m_defaultImport = detectImport(QString::fromUtf8(reader.data()));
                }
            }
        }
        m_rootNode->refresh();
    }

    if (options & Configuration) {
        // update configuration
    }

    if (options & Files)
        emit fileListChanged();
}

QByteArray FileConverter::loadFileContent(const QString &filePath, QString &errorMessage)
{
    QByteArray ret;
    Utils::FileReader fr;
    QString absFilePath = filePath;
    if (!filePath.startsWith(QLatin1String(":/"))) {
        const QString srcProjectPath = convertedProjectContext().srcProjectPath();
        absFilePath = srcProjectPath + QLatin1Char('/') + filePath;
    }
    fr.fetch(absFilePath);
    if (!fr.errorString().isEmpty())
        errorMessage = fr.errorString();
    else
        ret = fr.data();
    return ret;
}

void QmlProject::parseProject(RefreshOptions options)
{
    if (options & Files) {
        if (options & ProjectFile)
            delete m_projectItem.data();
        if (!m_projectItem) {
              QString errorMessage;
              m_projectItem = QmlProjectFileFormat::parseProjectFile(projectFilePath(), &errorMessage);
              if (m_projectItem) {
                  connect(m_projectItem.data(), &QmlProjectItem::qmlFilesChanged,
                          this, &QmlProject::refreshFiles);

              } else {
                  MessageManager::write(tr("Error while loading project file %1.")
                                        .arg(projectFilePath().toUserOutput()),
                                        MessageManager::NoModeSwitch);
                  MessageManager::write(errorMessage);
              }
        }
        if (m_projectItem) {
            m_projectItem.data()->setSourceDirectory(canonicalProjectDir().toString());
            if (m_projectItem->targetDirectory().isEmpty())
                m_projectItem->setTargetDirectory(canonicalProjectDir().toString());

            if (auto modelManager = QmlJS::ModelManagerInterface::instance())
                modelManager->updateSourceFiles(m_projectItem.data()->files(), true);

            QString mainFilePath = m_projectItem.data()->mainFile();
            if (!mainFilePath.isEmpty()) {
                mainFilePath
                        = QDir(canonicalProjectDir().toString()).absoluteFilePath(mainFilePath);
                Utils::FileReader reader;
                QString errorMessage;
                if (!reader.fetch(mainFilePath, &errorMessage)) {
                    MessageManager::write(tr("Warning while loading project file %1.")
                                          .arg(projectFilePath().toUserOutput()));
                    MessageManager::write(errorMessage);
                }
            }
        }
        generateProjectTree();
    }

    if (options & Configuration) {
        // update configuration
    }
}

bool VcsBaseSubmitEditor::open(QString *errorString, const QString &fileName, const QString &realFileName)
{
    if (fileName.isEmpty())
        return false;

    Utils::FileReader reader;
    if (!reader.fetch(realFileName, QIODevice::Text, errorString))
        return false;

    const QString text = QString::fromLocal8Bit(reader.data());
    if (!setFileContents(text.toUtf8()))
        return false;

    d->m_file->setFilePath(QFileInfo(fileName).absoluteFilePath());
    d->m_file->setModified(fileName != realFileName);
    return true;
}

static Document::Ptr getParsedDocument(const QString &fileName,
                                       CppTools::WorkingCopy &workingCopy,
                                       Snapshot &snapshot)
{
    QByteArray src;
    if (workingCopy.contains(fileName)) {
        src = workingCopy.source(fileName);
    } else {
        Utils::FileReader reader;
        if (reader.fetch(fileName)) // ### FIXME error reporting
            src = QString::fromLocal8Bit(reader.data()).toUtf8();
    }

    Document::Ptr doc = snapshot.preprocessedDocument(src, fileName);
    doc->check();
    snapshot.insert(doc);
    return doc;
}

void VcsBaseSubmitEditor::createUserFields(const QString &fieldConfigFile)
{
    Utils::FileReader reader;
    if (!reader.fetch(fieldConfigFile, QIODevice::Text, Core::ICore::mainWindow()))
        return;
    // Parse into fields
    const QStringList fields = fieldTexts(QString::fromUtf8(reader.data()));
    if (fields.empty())
        return;
    // Create a completer on user names
    const QStandardItemModel *nickNameModel = VcsPlugin::instance()->nickNameModel();
    QCompleter *completer = new QCompleter(NickNameDialog::nickNameList(nickNameModel), this);

    SubmitFieldWidget *fieldWidget = new SubmitFieldWidget;
    connect(fieldWidget, SIGNAL(browseButtonClicked(int,QString)),
            this, SLOT(slotSetFieldNickName(int)));
    fieldWidget->setCompleter(completer);
    fieldWidget->setAllowDuplicateFields(true);
    fieldWidget->setHasBrowseButton(true);
    fieldWidget->setFields(fields);
    d->m_widget->addSubmitFieldWidget(fieldWidget);
}

MerDevicesXmlReader::MerDevicesXmlReader(const QString &fileName, QObject *parent)
    : QObject(parent),
      d(new MerDevicesXmlReaderPrivate)
{
    Utils::FileReader reader;
    d->error = !reader.fetch(fileName, QIODevice::ReadOnly);
    if (d->error) {
        d->errorString = reader.errorString();
        return;
    }

    QXmlSchema schema;
    schema.setMessageHandler(&d->messageHandler);

    Utils::FileReader schemeReader;
    d->error = !schemeReader.fetch(QString::fromLatin1("%1/mer/devices.xsd").arg(sharedDirPath()),
            QIODevice::ReadOnly);
    if (d->error) {
        d->errorString = schemeReader.errorString();
        return;
    }
    schema.load(schemeReader.data());
    d->error = !schema.isValid();
    if (d->error) {
        d->errorString = d->messageHandler.errorString();
        return;
    }

    QXmlSchemaValidator validator(schema);
    validator.setMessageHandler(&d->messageHandler);
    d->error = !validator.validate(reader.data());
    if (d->error) {
        d->errorString = d->messageHandler.errorString();
        return;
    }

    d->query.setQuery(QString::fromLatin1("doc('%1')").arg(fileName));
    d->query.setMessageHandler(&d->messageHandler);
    d->error = !d->query.isValid();
    if (d->error) {
        d->errorString = d->messageHandler.errorString();
        return;
    }

    d->error = !d->query.evaluateTo(d->receiver);
    if (d->error)
        d->errorString = d->messageHandler.errorString();
}

void PluginDumper::dump(const Plugin &plugin)
{
    if (plugin.hasPredumpedQmlTypesFile()) {
        const Snapshot snapshot = m_modelManager->snapshot();
        LibraryInfo libraryInfo = snapshot.libraryInfo(plugin.qmldirPath);
        if (!libraryInfo.isValid())
            return;

        const QString &path = plugin.predumpedQmlTypesFilePath();
        Utils::FileReader reader;
        if (!reader.fetch(path, QFile::Text)) {
            libraryInfo.setPluginTypeInfoStatus(LibraryInfo::TypeInfoFileError, reader.errorString());
            m_modelManager->updateLibraryInfo(plugin.qmldirPath, libraryInfo);
            return;
        }

        QString error;
        QString warning;
        const QList<FakeMetaObject::ConstPtr> objectsList = parseHelper(reader.data(), &error, &warning);

        if (error.isEmpty()) {
            libraryInfo.setMetaObjects(objectsList);
            libraryInfo.setPluginTypeInfoStatus(LibraryInfo::TypeInfoFileDone);
        } else {
            libraryInfo.setPluginTypeInfoStatus(LibraryInfo::TypeInfoFileError,
                                      tr("Failed to parse '%1'.\nError: %2").arg(path, error));
        }
        if (!warning.isEmpty())
            printParseWarnings(plugin.qmldirPath, warning);

        m_modelManager->updateLibraryInfo(plugin.qmldirPath, libraryInfo);
        return;
    }

    ProjectExplorer::Project *activeProject = ProjectExplorer::ProjectExplorerPlugin::instance()->startupProject();
    if (!activeProject)
        return;

    ModelManagerInterface::ProjectInfo info = m_modelManager->projectInfo(activeProject);

    if (info.qmlDumpPath.isEmpty()) {
        const Snapshot snapshot = m_modelManager->snapshot();
        LibraryInfo libraryInfo = snapshot.libraryInfo(plugin.qmldirPath);
        if (!libraryInfo.isValid())
            return;

        libraryInfo.setPluginTypeInfoStatus(LibraryInfo::DumpError,
                                  tr("Could not locate the helper application for dumping type information from C++ plugins.\n"
                                     "Please build the debugging helpers on the Qt version options page."));
        m_modelManager->updateLibraryInfo(plugin.qmldirPath, libraryInfo);
        return;
    }

    QProcess *process = new QProcess(this);
    process->setEnvironment(info.qmlDumpEnvironment.toStringList());
    connect(process, SIGNAL(finished(int)), SLOT(qmlPluginTypeDumpDone(int)));
    connect(process, SIGNAL(error(QProcess::ProcessError)), SLOT(qmlPluginTypeDumpError(QProcess::ProcessError)));
    QStringList args;
    if (plugin.importUri.isEmpty()) {
        args << QLatin1String("--path");
        args << plugin.importPath;
        if (ComponentVersion(plugin.importVersion).isValid())
            args << plugin.importVersion;
    } else {
        args << plugin.importUri;
        args << plugin.importVersion;
        args << plugin.importPath;
    }
    process->start(info.qmlDumpPath, args);
    m_runningQmldumps.insert(process, plugin.qmldirPath);
}