C++ Range::isValid方法代码示例

void LaTeXInfo::startLaTeXCompletion(KTextEditor::View *view)
{
	KTextEditor::CodeCompletionInterface* completionInterface = qobject_cast<KTextEditor::CodeCompletionInterface*>(view);
	if(!completionInterface) {
		return;
	}
	KTextEditor::Range range = m_latexCompletionModel->completionRange(view, view->cursorPosition());
	if(!range.isValid()) {
		range = KTextEditor::Range(view->cursorPosition(), view->cursorPosition());
	}
	completionInterface->startCompletion(range, m_latexCompletionModel);
}

void RangeTest::rangeCheck(KTextEditor::Range &valid)
{
    QVERIFY(valid.isValid() && valid.start() <= valid.end());

    KTextEditor::Cursor before(0, 1), start(0, 2), end(1, 4), after(1, 10);

    KTextEditor::Range result(start, end);
    QVERIFY(valid.isValid() && valid.start() <= valid.end());

    valid.setRange(start, end);
    QVERIFY(valid.isValid() && valid.start() <= valid.end());
    QCOMPARE(valid, result);

    valid.setRange(end, start);
    QVERIFY(valid.isValid() && valid.start() <= valid.end());
    QCOMPARE(valid, result);

    valid.setStart(after);
    QVERIFY(valid.isValid() && valid.start() <= valid.end());
    QCOMPARE(valid, KTextEditor::Range(after, after));

    valid = result;
    QCOMPARE(valid, result);

    valid.setEnd(before);
    QVERIFY(valid.isValid() && valid.start() <= valid.end());
    QCOMPARE(valid, KTextEditor::Range(before, before));
}

void LaTeXCompletionModel::completionInvoked(KTextEditor::View *view, const KTextEditor::Range &range,
                                                                      InvocationType invocationType)
{
	if(!range.isValid()
	|| (invocationType == AutomaticInvocation && !KileConfig::completeAuto())) {
		m_completionList.clear();
		reset();
		return;
	}
	Q_UNUSED(invocationType);
	m_currentView = view;
	KILE_DEBUG() << "building model...";
	buildModel(view, range);
}

bool KateCommands::CoreCommands::exec(KTextEditor::View *view,
                            const QString &_cmd,
                            QString &errorMsg,
                            const KTextEditor::Range& range)
{
#define KCC_ERR(s) { errorMsg=s; return false; }
  // cast it hardcore, we know that it is really a kateview :)
  KateView *v = static_cast<KateView*>(view);

  if ( ! v )
    KCC_ERR( i18n("Could not access view") );

  //create a list of args
  QStringList args(_cmd.split( QRegExp("\\s+"), QString::SkipEmptyParts)) ;
  QString cmd ( args.takeFirst() );

  // ALL commands that takes no arguments.
  if ( cmd == "indent" )
  {
    if ( range.isValid() ) {
      v->doc()->editStart();
      for ( int line = range.start().line(); line <= range.end().line(); line++ ) {
        v->doc()->indent( KTextEditor::Range(line, 0, line, 0), 1 );
      }
      v->doc()->editEnd();
    } else {
      v->indent();
    }
    return true;
  }
  else if ( cmd == "unindent" )
  {
    if ( range.isValid() ) {
      v->doc()->editStart();
      for ( int line = range.start().line(); line <= range.end().line(); line++ ) {
        v->doc()->indent( KTextEditor::Range(line, 0, line, 0), -1 );
      }
      v->doc()->editEnd();
    } else {
      v->unIndent();
    }
    return true;
  }
  else if ( cmd == "cleanindent" )
  {
    if ( range.isValid() ) {
      v->doc()->editStart();
      for ( int line = range.start().line(); line <= range.end().line(); line++ ) {
        v->doc()->indent( KTextEditor::Range(line, 0, line, 0), 0 );
      }
      v->doc()->editEnd();
    } else {
      v->cleanIndent();
    }
    return true;
  }
  else if ( cmd == "comment" )
  {
    if ( range.isValid() ) {
      v->doc()->editStart();
      for ( int line = range.start().line(); line <= range.end().line(); line++ ) {
        v->doc()->comment( v, line, 0, 1 );
      }
      v->doc()->editEnd();
    } else {
      v->comment();
    }
    return true;
  }
  else if ( cmd == "uncomment" )
  {
    if ( range.isValid() ) {
      v->doc()->editStart();
      for ( int line = range.start().line(); line <= range.end().line(); line++ ) {
        v->doc()->comment( v, line, 0, -1 );
      }
      v->doc()->editEnd();
    } else {
      v->uncomment();
    }
    return true;
  }
  else if ( cmd == "kill-line" )
  {
    if ( range.isValid() ) {
      v->doc()->editStart();
      for ( int line = range.start().line(); line <= range.end().line(); line++ ) {
        v->doc()->removeLine( range.start().line() );
      }
      v->doc()->editEnd();
    } else {
      v->killLine();
    }
    return true;
  }
  else if ( cmd == "print" )
  {
    v->doc()->printDialog();
    return true;
  }
//.........这里部分代码省略.........

bool Commands::exec(KTextEditor::View *view, const QString &_cmd,
                    QString &msg, const KTextEditor::Range &range)
{
    Q_UNUSED(range)
    // cast it hardcore, we know that it is really a kateview :)
    KTextEditor::ViewPrivate *v = static_cast<KTextEditor::ViewPrivate *>(view);

    if (!v) {
        msg = i18n("Could not access view");
        return false;
    }

    //create a list of args
    QStringList args(_cmd.split(QRegExp(QLatin1String("\\s+")), QString::SkipEmptyParts));
    QString cmd(args.takeFirst());

    // ALL commands that takes no arguments.
    if (mappingCommands().contains(cmd)) {
        if (cmd.endsWith(QLatin1String("unmap"))) {
            if (args.count() == 1) {
                m_viGlobal->mappings()->remove(modeForMapCommand(cmd), args.at(0));
                return true;
            } else {
                msg = i18n("Missing argument. Usage: %1 <from>",  cmd);
                return false;
            }
        }
        if (args.count() == 1) {
            msg = m_viGlobal->mappings()->get(modeForMapCommand(cmd), args.at(0), true);
            if (msg.isEmpty()) {
                msg = i18n("No mapping found for \"%1\"", args.at(0));
                return false;
            } else {
                msg = i18n("\"%1\" is mapped to \"%2\"", args.at(0), msg);
            }
        } else if (args.count() == 2) {
            Mappings::MappingRecursion mappingRecursion = (isMapCommandRecursive(cmd)) ? Mappings::Recursive : Mappings::NonRecursive;
            m_viGlobal->mappings()->add(modeForMapCommand(cmd), args.at(0), args.at(1), mappingRecursion);
        } else {
            msg = i18n("Missing argument(s). Usage: %1 <from> [<to>]",  cmd);
            return false;
        }

        return true;
    }

    NormalViMode *nm = m_viInputModeManager->getViNormalMode();

    if (cmd == QLatin1String("d") || cmd == QLatin1String("delete") || cmd == QLatin1String("j") ||
            cmd == QLatin1String("c") || cmd == QLatin1String("change") ||  cmd == QLatin1String("<") || cmd == QLatin1String(">") ||
            cmd == QLatin1String("y") || cmd == QLatin1String("yank")) {

        KTextEditor::Cursor start_cursor_position = v->cursorPosition();

        int count = 1;
        if (range.isValid()) {
            count = qAbs(range.end().line() - range.start().line()) + 1;
            v->setCursorPosition(KTextEditor::Cursor(qMin(range.start().line(),
                                 range.end().line()), 0));
        }

        QRegExp number(QLatin1String("^(\\d+)$"));
        for (int i = 0; i < args.count(); i++) {
            if (number.indexIn(args.at(i)) != -1) {
                count += number.cap().toInt() - 1;
            }

            QChar r = args.at(i).at(0);
            if (args.at(i).size() == 1 && ((r >= QLatin1Char('a') && r <= QLatin1Char('z')) || r == QLatin1Char('_') || r == QLatin1Char('+') || r == QLatin1Char('*'))) {
                nm->setRegister(r);
            }
        }

        nm->setCount(count);

        if (cmd == QLatin1String("d") || cmd == QLatin1String("delete")) {
            nm->commandDeleteLine();
        }
        if (cmd == QLatin1String("j")) {
            nm->commandJoinLines();
        }
        if (cmd == QLatin1String("c") || cmd == QLatin1String("change")) {
            nm->commandChangeLine();
        }
        if (cmd == QLatin1String("<")) {
            nm->commandUnindentLine();
        }
        if (cmd == QLatin1String(">")) {
            nm->commandIndentLine();
        }
        if (cmd == QLatin1String("y") || cmd == QLatin1String("yank")) {
            nm->commandYankLine();
            v->setCursorPosition(start_cursor_position);
        }

        // TODO - should we resetParser, here? We'd have to make it public, if so.
        // Or maybe synthesise a KateViCommand to execute instead ... ?
        nm->setCount(0);

        return true;
//.........这里部分代码省略.........