forked from qt-creator/qt-creator
BinEditor: Split out BinEditorDocument class definition
Still preparing data holder re-organization. Change-Id: I29473fed8320b3812288b72d0d5fc943aa67a2cf Reviewed-by: David Schulz <david.schulz@qt.io>
This commit is contained in:
hjk
@@ -75,6 +75,50 @@ using namespace Core;
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namespace BinEditor::Internal {
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class BinEditorWidget;
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class BinEditorDocument : public IDocument
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{
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Q_OBJECT
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public:
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BinEditorDocument(BinEditorWidget *parent);
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QByteArray contents() const final;
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bool setContents(const QByteArray &contents) final;
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ReloadBehavior reloadBehavior(ChangeTrigger state, ChangeType type) const final
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{
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return type == TypeRemoved ? BehaviorSilent : IDocument::reloadBehavior(state, type);
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}
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OpenResult open(QString *errorString, const FilePath &filePath,
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const FilePath &realFilePath) final
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{
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QTC_CHECK(filePath == realFilePath); // The bineditor can do no autosaving
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return openImpl(errorString, filePath);
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}
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OpenResult openImpl(QString *errorString, const FilePath &filePath, quint64 offset = 0);
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void provideData(quint64 address);
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void provideNewRange(quint64 offset)
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{
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if (filePath().exists())
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openImpl(nullptr, filePath(), offset);
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}
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bool isModified() const final;
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bool isSaveAsAllowed() const final { return true; }
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bool reload(QString *errorString, ReloadFlag flag, ChangeType type) final;
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bool saveImpl(QString *errorString, const Utils::FilePath &filePath, bool autoSave) final;
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private:
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BinEditorWidget *m_widget;
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};
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class BinEditorWidget final : public QAbstractScrollArea, public EditorService
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{
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Q_OBJECT
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@@ -2065,148 +2109,120 @@ private:
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};
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class BinEditorDocument : public IDocument
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// BinEditorDocument
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BinEditorDocument::BinEditorDocument(BinEditorWidget *parent)
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: IDocument(parent)
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{
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Q_OBJECT
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public:
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BinEditorDocument(BinEditorWidget *parent) :
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IDocument(parent)
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{
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setId(Core::Constants::K_DEFAULT_BINARY_EDITOR_ID);
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setMimeType(Utils::Constants::OCTET_STREAM_MIMETYPE);
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m_widget = parent;
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EditorService *es = m_widget->editorService();
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es->setFetchDataHandler([this](quint64 address) { provideData(address); });
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es->setNewRangeRequestHandler([this](quint64 offset) { provideNewRange(offset); });
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es->setDataChangedHandler([this](quint64, const QByteArray &) { contentsChanged(); });
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setId(Core::Constants::K_DEFAULT_BINARY_EDITOR_ID);
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setMimeType(Utils::Constants::OCTET_STREAM_MIMETYPE);
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m_widget = parent;
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EditorService *es = m_widget->editorService();
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es->setFetchDataHandler([this](quint64 address) { provideData(address); });
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es->setNewRangeRequestHandler([this](quint64 offset) { provideNewRange(offset); });
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es->setDataChangedHandler([this](quint64, const QByteArray &) { contentsChanged(); });
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}
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QByteArray BinEditorDocument::contents() const
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{
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return m_widget->contents();
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}
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bool BinEditorDocument::setContents(const QByteArray &contents)
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{
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m_widget->clear();
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if (!contents.isEmpty()) {
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m_widget->setSizes(0, contents.length(), contents.length());
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m_widget->addData(0, contents);
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}
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return true;
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}
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IDocument::OpenResult BinEditorDocument::openImpl(QString *errorString, const FilePath &filePath, quint64 offset)
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{
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const qint64 size = filePath.fileSize();
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if (size < 0) {
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QString msg = Tr::tr("Cannot open %1: %2").arg(filePath.toUserOutput(), Tr::tr("File Error"));
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// FIXME: Was: file.errorString(), but we don't have a file anymore.
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if (errorString)
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*errorString = msg;
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else
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QMessageBox::critical(ICore::dialogParent(), Tr::tr("File Error"), msg);
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return OpenResult::ReadError;
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}
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QByteArray contents() const override
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{
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return m_widget->contents();
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if (size == 0) {
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QString msg = Tr::tr("The Binary Editor cannot open empty files.");
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if (errorString)
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*errorString = msg;
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else
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QMessageBox::critical(ICore::dialogParent(), Tr::tr("File Error"), msg);
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return OpenResult::CannotHandle;
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}
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bool setContents(const QByteArray &contents) override
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{
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m_widget->clear();
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if (!contents.isEmpty()) {
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m_widget->setSizes(0, contents.length(), contents.length());
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m_widget->addData(0, contents);
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}
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return true;
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if (size / 16 >= qint64(1) << 31) {
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// The limit is 2^31 lines (due to QText* interfaces) * 16 bytes per line.
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QString msg = Tr::tr("The file is too big for the Binary Editor (max. 32GB).");
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if (errorString)
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*errorString = msg;
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else
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QMessageBox::critical(ICore::dialogParent(), Tr::tr("File Error"), msg);
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return OpenResult::CannotHandle;
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}
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ReloadBehavior reloadBehavior(ChangeTrigger state, ChangeType type) const override
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{
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return type == TypeRemoved ? BehaviorSilent : IDocument::reloadBehavior(state, type);
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}
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if (offset >= quint64(size))
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return OpenResult::CannotHandle;
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OpenResult open(QString *errorString, const FilePath &filePath,
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const FilePath &realFilePath) override
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{
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QTC_CHECK(filePath == realFilePath); // The bineditor can do no autosaving
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return openImpl(errorString, filePath);
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}
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setFilePath(filePath);
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m_widget->setSizes(offset, size);
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return OpenResult::Success;
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}
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OpenResult openImpl(QString *errorString, const FilePath &filePath, quint64 offset = 0)
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{
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const qint64 size = filePath.fileSize();
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if (size < 0) {
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QString msg = Tr::tr("Cannot open %1: %2").arg(filePath.toUserOutput(), Tr::tr("File Error"));
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// FIXME: Was: file.errorString(), but we don't have a file anymore.
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if (errorString)
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*errorString = msg;
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else
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QMessageBox::critical(ICore::dialogParent(), Tr::tr("File Error"), msg);
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return OpenResult::ReadError;
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}
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if (size == 0) {
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QString msg = Tr::tr("The Binary Editor cannot open empty files.");
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if (errorString)
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*errorString = msg;
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else
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QMessageBox::critical(ICore::dialogParent(), Tr::tr("File Error"), msg);
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return OpenResult::CannotHandle;
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}
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if (size / 16 >= qint64(1) << 31) {
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// The limit is 2^31 lines (due to QText* interfaces) * 16 bytes per line.
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QString msg = Tr::tr("The file is too big for the Binary Editor (max. 32GB).");
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if (errorString)
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*errorString = msg;
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else
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QMessageBox::critical(ICore::dialogParent(), Tr::tr("File Error"), msg);
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return OpenResult::CannotHandle;
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}
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if (offset >= quint64(size))
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return OpenResult::CannotHandle;
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setFilePath(filePath);
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m_widget->setSizes(offset, size);
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return OpenResult::Success;
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}
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void provideData(quint64 address)
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{
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const FilePath fn = filePath();
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if (fn.isEmpty())
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return;
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const int blockSize = m_widget->dataBlockSize();
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QByteArray data = fn.fileContents(blockSize, address).value_or(QByteArray());
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const int dataSize = data.size();
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if (dataSize != blockSize)
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data += QByteArray(blockSize - dataSize, 0);
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m_widget->addData(address, data);
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void BinEditorDocument::provideData(quint64 address)
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{
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const FilePath fn = filePath();
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if (fn.isEmpty())
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return;
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const int blockSize = m_widget->dataBlockSize();
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QByteArray data = fn.fileContents(blockSize, address).value_or(QByteArray());
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const int dataSize = data.size();
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if (dataSize != blockSize)
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data += QByteArray(blockSize - dataSize, 0);
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m_widget->addData(address, data);
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// QMessageBox::critical(ICore::dialogParent(), Tr::tr("File Error"),
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// Tr::tr("Cannot open %1: %2").arg(
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// fn.toUserOutput(), file.errorString()));
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}
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bool BinEditorDocument::isModified() const
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{
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return isTemporary()/*e.g. memory view*/ ? false
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: m_widget->isModified();
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}
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bool BinEditorDocument::reload(QString *errorString, ReloadFlag flag, ChangeType type)
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{
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Q_UNUSED(type)
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if (flag == FlagIgnore)
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return true;
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emit aboutToReload();
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int cPos = m_widget->cursorPosition();
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m_widget->clear();
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const bool success = (openImpl(errorString, filePath()) == OpenResult::Success);
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m_widget->setCursorPosition(cPos);
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emit reloadFinished(success);
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return success;
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}
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bool BinEditorDocument::saveImpl(QString *errorString, const Utils::FilePath &filePath, bool autoSave)
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{
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QTC_ASSERT(!autoSave, return true); // bineditor does not support autosave - it would be a bit expensive
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if (m_widget->save(errorString, this->filePath(), filePath)) {
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setFilePath(filePath);
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return true;
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}
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void provideNewRange(quint64 offset)
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{
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if (filePath().exists())
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openImpl(nullptr, filePath(), offset);
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}
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public:
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bool isModified() const override
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{
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return isTemporary()/*e.g. memory view*/ ? false
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: m_widget->isModified();
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}
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bool isSaveAsAllowed() const override { return true; }
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bool reload(QString *errorString, ReloadFlag flag, ChangeType type) override
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{
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Q_UNUSED(type)
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if (flag == FlagIgnore)
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return true;
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emit aboutToReload();
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int cPos = m_widget->cursorPosition();
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m_widget->clear();
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const bool success = (openImpl(errorString, filePath()) == OpenResult::Success);
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m_widget->setCursorPosition(cPos);
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emit reloadFinished(success);
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return success;
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}
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protected:
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bool saveImpl(QString *errorString, const Utils::FilePath &filePath, bool autoSave) override
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{
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QTC_ASSERT(!autoSave, return true); // bineditor does not support autosave - it would be a bit expensive
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if (m_widget->save(errorString, this->filePath(), filePath)) {
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setFilePath(filePath);
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return true;
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}
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return false;
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}
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private:
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BinEditorWidget *m_widget;
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};
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return false;
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}
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class BinEditorImpl: public IEditor
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{
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