C++ Range::end方法代码示例

bool KateAutoIndent::changeIndent (const KTextEditor::Range &range, int change)
{
  QList<int> skippedLines;

  // loop over all lines given...
  for (int line = range.start().line () < 0 ? 0 : range.start().line ();
       line <= qMin (range.end().line (), doc->lines()-1); ++line)
  {
    // don't indent empty lines
    if (doc->line(line).isEmpty())
    {
      skippedLines.append (line);
      continue;
    }
    // don't indent the last line when the cursor is on the first column
    if (line == range.end().line() && range.end().column() == 0)
    {
      skippedLines.append (line);
      continue;
    }

    doIndentRelative(line, change * indentWidth);
  }

  if (skippedLines.count() > range.numberOfLines())
  {
    // all lines were empty, so indent them nevertheless
    foreach (int line, skippedLines)
      doIndentRelative(line, change * indentWidth);
  }

/** Conversion function from QtScript range to KTextEditor::Range */
static QScriptValue rangeToScriptValue(QScriptEngine *engine, const KTextEditor::Range &range)
{
  QString code = QString("new Range(%1, %2, %3, %4);").arg(range.start().line())
                                                      .arg(range.start().column())
                                                      .arg(range.end().line())
                                                      .arg(range.end().column());
  return engine->evaluate(code);
}

void SwapFile::removeText (const KTextEditor::Range &range)
{
  // skip if not open
  if (!m_swapfile.isOpen ())
    return;
  
  // format: qint8, int, int, int
  Q_ASSERT (range.start().line() == range.end().line());
  m_stream << EA_RemoveText
            << range.start().line() << range.start().column()
            << range.end().column();

  m_needSync = true;
}

QString CodeRepresentation::rangeText(const KTextEditor::Range& range) const
{
    Q_ASSERT(range.end().line() < lines());

    //Easier for single line ranges which should happen most of the time
    if(range.onSingleLine())
        return QString( line( range.start().line() ).mid( range.start().column(), range.columnWidth() ) );

    //Add up al the requested lines
    QString rangedText = line(range.start().line()).mid(range.start().column());

    for(int i = range.start().line() + 1; i <= range.end().line(); ++i)
        rangedText += '\n' + ((i == range.end().line()) ? line(i).left(range.end().column()) : line(i));

    return rangedText;
}

QRect KTextEditorHelpers::getItemBoundingRect(const KTextEditor::View* view, const KTextEditor::Range& itemRange)
{
  QPoint startPoint = view->mapToGlobal(view->cursorToCoordinate(itemRange.start()));
  QPoint endPoint = view->mapToGlobal(view->cursorToCoordinate(itemRange.end()));
  endPoint.ry() += getLineHeight(view, itemRange.start().line());
  return QRect(startPoint, endPoint);
}

/** Conversion function from QtScript range to KTextEditor::Range */
static void rangeFromScriptValue(const QScriptValue &obj, KTextEditor::Range &range)
{
  range.start().setPosition(obj.property("start").property("line").toInt32(),
                            obj.property("start").property("column").toInt32());
  range.end().setPosition(obj.property("end").property("line").toInt32(),
                          obj.property("end").property("column").toInt32());
}

void KateViInsertMode::textInserted(KTextEditor::Document* document, KTextEditor::Range range)
{
  if (m_isExecutingCompletion)
  {
    m_textInsertedByCompletion += document->text(range);
    m_textInsertedByCompletionEndPos = range.end();
  }
}

void FunctionDeclarationCompletionItem::executed(KTextEditor::View* view, const KTextEditor::Range& word)
{
    qCDebug(KDEV_PYTHON_CODECOMPLETION) << "FunctionDeclarationCompletionItem executed";
    KTextEditor::Document* document = view->document();
    auto resolvedDecl = Helper::resolveAliasDeclaration(declaration().data());
    DUChainReadLocker lock;
    auto functionDecl = Helper::functionForCalled(resolvedDecl).declaration;
    lock.unlock();
    if ( ! functionDecl && (! resolvedDecl || ! resolvedDecl->abstractType()
                           || resolvedDecl->abstractType()->whichType() != AbstractType::TypeStructure) ) {
        qCritical(KDEV_PYTHON_CODECOMPLETION) << "ERROR: could not get declaration data, not executing completion item!";
        return;
    }
    QString suffix = "()";
    KTextEditor::Range checkPrefix(word.start().line(), 0, word.start().line(), word.start().column());
    KTextEditor::Range checkSuffix(word.end().line(), word.end().column(), word.end().line(), document->lineLength(word.end().line()));
    if ( m_doNotCall || document->text(checkSuffix).trimmed().startsWith('(')
         || document->text(checkPrefix).trimmed().endsWith('@')
         || (functionDecl && Helper::findDecoratorByName(functionDecl, QLatin1String("property"))) )
    {
        // don't insert brackets if they're already there,
        // the item is a decorator, or if it's an import item.
        suffix.clear();
    }
    // place cursor behind bracktes by default
    int skip = 2;
    if ( functionDecl ) {
        bool needsArguments = false;
        int argumentCount = functionDecl->type<FunctionType>()->arguments().length();
        if ( functionDecl->context()->type() == KDevelop::DUContext::Class ) {
            // it's a member function, so it has the implicit self
            // TODO static methods
            needsArguments = argumentCount > 1;
        }
        else {
            // it's a free function
            needsArguments = argumentCount > 0;
        }
        if ( needsArguments ) {
            // place cursor in brackets if there's parameters
            skip = 1;
        }
    }
    document->replaceText(word, declaration()->identifier().toString() + suffix);
    view->setCursorPosition( Cursor(word.end().line(), word.end().column() + skip) );
}

void PreprocessorCompletionModel::completionInvoked(
    KTextEditor::View* const view
  , const KTextEditor::Range& word
  , InvocationType /*itype*/
  )
{
    // Reuse shouldStartCompletion to disable/enable completion
    m_should_complete = shouldStartCompletion(view, QString{}, false, word.end());
}

void ClangCodeCompletionModel::executeCompletionItem2(
    KTextEditor::Document* const doc
  , const KTextEditor::Range& word
  , const QModelIndex& index
  ) const
{
    assert("Active view expected to be equal to the stored one" && doc->activeView() == m_current_view);
    assert("Invalid index is not expected here!" && index.isValid());
    assert("Parent index is not valid" && index.parent().isValid());
    assert("Parent index must be GROUP" && index.parent().internalId() == Level::GROUP);
    assert(
        "Parent index points to invalid group"
      && 0 <= index.internalId()
      && unsigned(index.internalId()) < m_groups.size()
      );
    assert(
        "Index points to invalid item"
      && 0 <= index.row()
      && unsigned(index.row()) < m_groups[index.internalId()].second.m_completions.size()
      );

    auto* const template_iface = qobject_cast<KTextEditor::TemplateInterface2*>(m_current_view);
    if (template_iface)
    {
        kDebug(DEBUG_AREA) << "TemplateInterface available for a view" << m_current_view;
        const auto result = m_groups[index.internalId()]
          .second.m_completions[index.row()]
          .getCompletionTemplate();
        kDebug(DEBUG_AREA) << "Template:" << result.m_tpl;
        kDebug(DEBUG_AREA) << "Values:" << result.m_values;
        // Check if current template is a function and there is a '()' right after cursor
        auto range = word;
        if (result.m_is_function)
        {
            const auto next_word_range = DocumentProxy(doc).firstWordAfterCursor(word.end());
            kDebug(DEBUG_AREA) << "OK THIS IS FUNCTION TEMPLATE: next word range" << next_word_range;
            kDebug(DEBUG_AREA) << "replace range before:" << range;
            if (next_word_range.isValid() && doc->text(next_word_range).startsWith(QLatin1String("()")))
            {
                range.end().setColumn(next_word_range.start().column() + 2);
                kDebug(DEBUG_AREA) << "replace range after:" << range;
            }
        }
        doc->removeText(range);
        template_iface->insertTemplateText(range.start(), result.m_tpl, result.m_values, nullptr);
    }
    else
    {
        kDebug(DEBUG_AREA) << "No TemplateInterface for a view" << m_current_view;
        const auto p = m_groups[index.internalId()].second.m_completions[index.row()].executeCompletion();
        doc->replaceText(word, p.first);
        // Try to reposition a cursor inside a current (hope it still is) view
        auto pos = word.start();
        pos.setColumn(pos.column() + p.second);
        m_current_view->setCursorPosition(pos);
    }
}

    void execute(KTextEditor::View* view, const KTextEditor::Range& word) override
    {
        auto document = view->document();
        auto range = word;
        const int lineNumber = word.end().line();
        const QString line = document->line(lineNumber);
        const auto properties = includePathProperties(line, word.end().column());
        if (!properties.valid) {
            return;
        }

        QString newText = includeItem.isDirectory ? (includeItem.name + QLatin1Char('/')) : includeItem.name;

        if (properties.inputFrom == -1) {
            newText.prepend(QLatin1Char('<'));
        } else {
            range.setStart({lineNumber, properties.inputFrom});
        }
        if (properties.inputTo == -1) {
            // Add suffix
            if (properties.local) {
                newText += QLatin1Char('"');
            } else {
                newText += QLatin1Char('>');
            }

            // replace the whole line
            range.setEnd({lineNumber, line.size()});
        } else {
            range.setEnd({lineNumber, properties.inputTo});
        }

        document->replaceText(range, newText);

        if (includeItem.isDirectory) {
            // ensure we can continue to add files/paths when we just added a directory
            int offset = (properties.inputTo == -1) ? 1 : 0;
            view->setCursorPosition(range.start() + KTextEditor::Cursor(0, newText.length() - offset));
        } else {
            // place cursor at end of line
            view->setCursorPosition({lineNumber, document->lineLength(lineNumber)});
        }
    }

void ImplementFunctionCompletionItem::execute(KTextEditor::Document* document, const KTextEditor::Range& word)
{
    const QString finalText = m_name + "(" + m_arguments.join(", ") + "):";
    document->replaceText(word, finalText);
    // 4 spaces is indentation for python. everyone does it like this. you must, too.
    // TODO use kate settings
    document->insertLine(word.start().line() + 1, m_previousIndent + "    ");
    if ( View* view = document->activeView() ) {
        view->setCursorPosition(Cursor(word.end().line() + 1, m_previousIndent.length() + 4));
    }
}

void TextHistory::removeText(const KTextEditor::Range &range, int oldLineLength)
{
    // create and add new entry
    Entry entry;
    entry.type = Entry::RemoveText;
    entry.line = range.start().line();
    entry.column = range.start().column();
    entry.length = range.end().column() - range.start().column();
    entry.oldLineLength = oldLineLength;
    addEntry(entry);
}

QSize GrepOutputDelegate::sizeHint(const QStyleOptionViewItem& option, const QModelIndex& index) const
{
    const GrepOutputModel *model = dynamic_cast<const GrepOutputModel *>(index.model());
    const GrepOutputItem  *item  = model ? dynamic_cast<const GrepOutputItem *>(model->itemFromIndex(index)) : nullptr;

    QSize ret = QStyledItemDelegate::sizeHint(option, index);

    //take account of additional width required for highlighting (bold text)
    //and line numbers. These are not included in the default Qt size calculation.
    if(item && item->isText())
    {
        QFont font = option.font;
        QFontMetrics metrics(font);
        font.setBold(true);
        QFontMetrics bMetrics(font);

        const KTextEditor::Range rng = item->change()->m_range;

        int width = metrics.width(item->text().left(rng.start().column())) +
                    metrics.width(item->text().right(item->text().length() - rng.end().column())) +
                    bMetrics.width(item->text().mid(rng.start().column(), rng.end().column() - rng.start().column())) +
                    option.fontMetrics.width(i18n("Line %1: ",item->lineNumber())) +
                    std::max(option.decorationSize.width(), 0);
        ret.setWidth(width);
    }else{
        // This is only used for titles, so not very performance critical
        QString text;
        if(item)
            text = item->text();
        else
            text = index.data().toString();
        
        QTextDocument doc;
        doc.setDocumentMargin(0);
        doc.setHtml(text);
        QSize newSize = doc.size().toSize();
        if(newSize.height() > ret.height())
            ret.setHeight(newSize.height());
    }
    return ret;
}

/**
 * We have to stop \c #include completion when current line would parsed well
 * (i.e. contains complete \c #include expression) or have no \c #include at all.
 */
bool IncludeHelperCompletionModel::shouldAbortCompletion(
    KTextEditor::View* view
  , const KTextEditor::Range& range
  , const QString& current_completion
  )
{
    kDebug(DEBUG_AREA) << "range=" << range << ", current_completion=" << current_completion;
    kDebug(DEBUG_AREA) << "m_should_complete=" << m_should_complete << ", closer=" << m_closer;

    // Get current line
    const auto line = view->document()->line(range.end().line());
    // Try to parse it...
    auto r = parseIncludeDirective(line, false);
    // nothing to complete for lines w/o #include
    const auto need_abort = !r.m_range.isValid()
      || range.end().column() < r.m_range.start().column()
      || range.end().column() > (r.m_range.end().column() + 1)
      ;
    kDebug(DEBUG_AREA) << "result=" << need_abort;
    return need_abort;
}