C++ Document::replaceText方法代码示例

void KeywordItem::execute(KTextEditor::View* view, const KTextEditor::Range& word)
{
    KTextEditor::Document *document = view->document();
    if ( !m_replacement.isEmpty() ) {
        QString replacement = m_replacement;
        replacement = replacement.replace('\n', '\n' + getIndendation(document->line(word.start().line())));
        replacement = replacement.replace(QLatin1String("%INDENT%"), indentString(document));

        int cursorPos = replacement.indexOf(QStringLiteral("%CURSOR%"));
        int selectionEnd = -1;
        if ( cursorPos != -1 ) {
            replacement.remove(QStringLiteral("%CURSOR%"));
        } else {
            cursorPos = replacement.indexOf(QStringLiteral("%SELECT%"));
            if ( cursorPos != -1 ) {
                replacement.remove(QStringLiteral("%SELECT%"));
                selectionEnd = replacement.indexOf(QStringLiteral("%ENDSELECT%"), cursorPos + 1);
                if ( selectionEnd == -1 ) {
                    selectionEnd = replacement.length();
                }
                replacement.remove(QStringLiteral("%ENDSELECT%"));
            }
        }

        document->replaceText(word, replacement);

        if ( cursorPos != -1 ) {
            if (view) {
                replacement = replacement.left(cursorPos);
                KTextEditor::Cursor newPos(
                    word.start().line() + replacement.count('\n'),
                    word.start().column() + replacement.length() - replacement.lastIndexOf('\n') - 1
                );
                view->setCursorPosition(newPos);
                if ( selectionEnd != -1 ) {
                    ///TODO: maybe we want to support multi-line selections in the future?
                    view->setSelection(
                        KTextEditor::Range(
                            newPos,
                            KTextEditor::Cursor(
                                newPos.line(),
                                newPos.column() + selectionEnd - cursorPos
                            )
                        )
                    );
                }
            }
        }
    } else {
        document->replaceText(word, m_keyword + ' ');
    }
}

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 NormalDeclarationCompletionItem::execute(KTextEditor::View* view, const KTextEditor::Range& word) {

    if( m_completionContext && m_completionContext->depth() != 0 )
        return; //Do not replace any text when it is an argument-hint

    KTextEditor::Document* document = view->document();
    QString newText;

    {
        KDevelop::DUChainReadLocker lock(KDevelop::DUChain::lock());
        if(m_declaration) {
            newText = declarationName();
        } else {
            qCDebug(LANGUAGE) << "Declaration disappeared";
            return;
        }
    }

    document->replaceText(word, newText);
    KTextEditor::Range newRange = word;
    newRange.setEnd(KTextEditor::Cursor(newRange.end().line(), newRange.start().column() + newText.length()));

    executed(view, newRange);
}

void ReplaceMatches::doReplaceNextMatch()
{
    if ((!m_manager) || (m_cancelReplace) || (m_tree->topLevelItemCount() != 1)) {
        m_rootIndex = -1;
        emit replaceDone();
        return;
    }

    // NOTE The document managers signal documentWillBeDeleted() must be connected to
    // cancelReplace(). A closed file could lead to a crash if it is not handled.

    // Open the file
    QTreeWidgetItem *rootItem = m_tree->topLevelItem(0)->child(m_rootIndex);
    if (!rootItem) {
        m_rootIndex = -1;
        emit replaceDone();
        return;
    }

    if (!rootItem->data(0, ColumnRole).toString().isEmpty()) {
        // this is a search as you type replace
        rootItem = m_tree->topLevelItem(0);
        m_cancelReplace = true; // only one document...
    }

    if (rootItem->checkState(0) == Qt::Unchecked) {
        m_rootIndex++;
        emit replaceNextMatch();
        return;
    }

    KTextEditor::Document *doc;
    QString docUrl = rootItem->data(0, FileUrlRole).toString();
    QString docName = rootItem->data(0, FileNameRole).toString();
    if (docUrl.isEmpty()) {
        doc = findNamed(rootItem->data(0, FileNameRole).toString());
    }
    else {
        doc = m_manager->findUrl(QUrl::fromUserInput(docUrl));
        if (!doc) {
            doc = m_manager->openUrl(QUrl::fromUserInput(rootItem->data(0, FileUrlRole).toString()));
        }
    }

    if (!doc) {
        m_rootIndex++;
        emit replaceNextMatch();
        return;
    }

    QVector<KTextEditor::MovingRange*> rVector;
    QStringList rTexts;
    KTextEditor::MovingInterface* miface = qobject_cast<KTextEditor::MovingInterface*>(doc);
    int line;
    int column;
    int matchLen;
    int endLine;
    int endColumn;
    QTreeWidgetItem *item;
    QString matchLines;

    // lines might be modified so search the document again
    for (int i=0; i<rootItem->childCount(); i++) {
        item = rootItem->child(i);
        if (item->checkState(0) == Qt::Unchecked) continue;

        line = endLine= item->data(0, LineRole).toInt();
        column = item->data(0, ColumnRole).toInt();
        matchLen = item->data(0, MatchLenRole).toInt();
        matchLines = doc->line(line).mid(column);
        while (matchLines.size() < matchLen) {
            if (endLine+1 >= doc->lines()) break;
            endLine++;
            matchLines+= QLatin1Char('\n') + doc->line(endLine);
        }

        QRegularExpressionMatch match = m_regExp.match(matchLines);
        if (match.capturedStart() != 0) {
            qDebug() << matchLines << "Does not match" << m_regExp.pattern();
            continue;
        }

        QString replaceText = m_replaceText;
        replaceText.replace(QStringLiteral("\\\\"), QStringLiteral("¤Search&Replace¤"));

        // allow captures \0 .. \9
        for (int j = qMin(9, match.lastCapturedIndex()); j >= 0; --j) {
            replaceText.replace(QString(QStringLiteral("\\%1")).arg(j), match.captured(j));
        }

        // allow captures \{0} .. \{9999999}...
        for (int j = match.lastCapturedIndex(); j >= 0; --j) {
            replaceText.replace(QString(QStringLiteral("\\{%1}")).arg(j), match.captured(j));
        }

        replaceText.replace(QStringLiteral("\\n"), QStringLiteral("\n"));
        replaceText.replace(QStringLiteral("\\t"), QStringLiteral("\t"));
        replaceText.replace(QStringLiteral("¤Search&Replace¤"), QStringLiteral("\\"));
        rTexts << replaceText;

//.........这里部分代码省略.........

//.........这里部分代码省略.........
                if (i == modifiers.constBegin()) {
                    break;
                } else {
                    --i;
                }
            }
        }

        QString functionName;
        bool isConstructorOrDestructor = false;
        bool isInterface = false;

        if (ClassMemberDeclaration* member = dynamic_cast<ClassMemberDeclaration*>(m_declaration.data())) {
            // NOTE: it should _never_ be private - but that's the completionmodel / context / worker's job
            if (!modifiers.contains(QStringLiteral("public")) && !modifiers.contains(QStringLiteral("protected"))) {
                if (member->accessPolicy() == Declaration::Protected) {
                    replText += QLatin1String("protected ");
                } else {
                    replText += QLatin1String("public ");
                }
            }
            if (!modifiers.contains(QStringLiteral("static")) && member->isStatic()) {
                replText += QLatin1String("static ");
            }
            functionName = member->identifier().toString();

            ClassMethodDeclaration* method = dynamic_cast<ClassMethodDeclaration*>(m_declaration.data());
            if (method) {
                functionName = method->prettyName().str();
                isConstructorOrDestructor = method->isConstructor() || method->isDestructor();
            }

            if (member->context() && member->context()->owner()) {
                ClassDeclaration* classDec = dynamic_cast<ClassDeclaration*>(member->context()->owner());
                if (classDec) {
                    isInterface = (classDec->classType() == ClassDeclarationData::Interface);
                }
            }
        } else {
            qCDebug(COMPLETION) << "completion item for implementation was not a classfunction declaration!";
            functionName = m_declaration->identifier().toString();
        }

        if (m_type == ImplementationItem::OverrideVar) {
            replText += "$" + functionName + " = ";
        } else {
            if (!modifiers.contains(QStringLiteral("function"))) {
                replText += QLatin1String("function ");
            }

            replText += functionName;

            {
                // get argument list
                QString arguments;
                createArgumentList(*this, arguments, 0, true);
                replText += arguments;
            }

            QString arguments;
            QVector<Declaration*> parameters;
            if (DUChainUtils::getArgumentContext(m_declaration.data()))
                parameters = DUChainUtils::getArgumentContext(m_declaration.data())->localDeclarations();
            arguments = '(';
            bool first = true;
            foreach(Declaration* dec, parameters) {
                if (first)
                    first = false;
                else
                    arguments += QLatin1String(", ");

                arguments += '$' + dec->identifier().toString();
            }
            arguments += ')';

            bool voidReturnType = false;
            if (FunctionType::Ptr::dynamicCast(m_declaration->abstractType())) {
                AbstractType::Ptr retType = FunctionType::Ptr::staticCast(m_declaration->abstractType())->returnType();
                if (retType->equals(new IntegralType(IntegralType::TypeVoid))) {
                    voidReturnType = true;
                }
            }

            replText += QStringLiteral("\n%1{\n%1    ").arg(indendation);
            if (isInterface || m_type == ImplementationItem::Implement) {
            } else if (!isConstructorOrDestructor && !voidReturnType) {
                replText += QStringLiteral("$ret = parent::%2%3;\n%1    return $ret;").arg(indendation, functionName, arguments);
            } else {
                replText += QStringLiteral("parent::%1%2;").arg(functionName, arguments);
            }
            replText += QStringLiteral("\n%1}\n%1")
                    .arg(indendation);

        }


        //TODO: properly place the cursor inside the {} part
        document->replaceText(replaceRange, replText);

    } else {

void ReplaceMatches::doReplaceNextMatch()
{
    if ((!m_manager) || (m_cancelReplace)) {
        m_rootIndex = -1;
        emit replaceDone();
        return;
    }

    // NOTE The document managers signal documentWillBeDeleted() must be connected to
    // cancelReplace(). A closed file could lead to a crash if it is not handled.

    // Open the file
    QTreeWidgetItem *rootItem = m_tree->topLevelItem(m_rootIndex);
    if (!rootItem) {
        m_rootIndex = -1;
        emit replaceDone();
        return;
    }

    if (rootItem->checkState(0) == Qt::Unchecked) {
        m_rootIndex++;
        emit replaceNextMatch();
        return;
    }

    KTextEditor::Document *doc = m_manager->findUrl(rootItem->data(0, Qt::UserRole).toString());
    if (!doc) {
        doc = m_manager->openUrl(rootItem->data(0, Qt::UserRole).toString());
    }

    if (!doc) {
        m_rootIndex++;
        emit replaceNextMatch();
        return;
    }

    QVector<KTextEditor::MovingRange*> rVector;
    KTextEditor::MovingInterface* miface = qobject_cast<KTextEditor::MovingInterface*>(doc);
    int line;
    int column;
    int len;
    QTreeWidgetItem *item;
    
    // lines might be modified so search the document again
    for (int i=0; i<rootItem->childCount(); i++) {
        item = rootItem->child(i);
        if (item->checkState(0) == Qt::Unchecked) continue;

        line = item->data(1, Qt::UserRole).toInt();
        column = item->data(2, Qt::UserRole).toInt();
        len = item->data(3, Qt::UserRole).toInt();
        if (m_regExp.indexIn(doc->line(line), column) != column) {
            kDebug() << "expression does not match";
            continue;
        }
        QString html = item->data(1, Qt::ToolTipRole).toString();
        html += "<i><s>" + item->data(2, Qt::ToolTipRole).toString() + "</s></i> ";
        html += "<b>" + m_replaceText + "</b>";
        html += item->data(3, Qt::ToolTipRole).toString();
        item->setData(0, Qt::DisplayRole, QString("Line: <b>%1</b>: %2").arg(line+1).arg(html));
        KTextEditor::Range range(line, column, line, column+len);
        KTextEditor::MovingRange* mr = miface->newMovingRange(range);
        rVector.append(mr);
    }

    for (int i=0; i<rVector.size(); i++) {
        line = rVector[i]->start().line();
        column = rVector[i]->start().column();
        doc->replaceText(*rVector[i], m_replaceText);
        emit matchReplaced(doc, line, column, m_replaceText.length());
    }

    qDeleteAll(rVector);

    m_rootIndex++;
    emit replaceNextMatch();
}

// Do one completion, searching in the desired direction,
// if possible
void KateWordCompletionView::complete( bool fw )
{
  KTextEditor::Range r = range();

  int inc = fw ? 1 : -1;
  KTextEditor::Document *doc = m_view->document();

  if ( d->dcRange.isValid() )
  {
    //kDebug( 13040 )<<"CONTINUE "<<d->dcRange;
    // this is a repeted activation

    // if we are back to where we started, reset.
    if ( ( fw && d->directionalPos == -1 ) ||
         ( !fw && d->directionalPos == 1 ) )
    {
      const int spansColumns = d->liRange->end().column() - d->liRange->start().column();
      if ( spansColumns > 0 )
        doc->removeText( *d->liRange );

      d->liRange->setRange( KTextEditor::Range::invalid()  );
      d->dcCursor = r.end();
      d->directionalPos = 0;

      return;
    }

    if ( fw ) {
      const int spansColumns = d->liRange->end().column() - d->liRange->start().column();
      d->dcCursor.setColumn( d->dcCursor.column() + spansColumns );
    }

    d->directionalPos += inc;
  }
  else // new completion, reset all
  {
    //kDebug( 13040 )<<"RESET FOR NEW";
    d->dcRange = r;
    d->liRange->setRange( KTextEditor::Range::invalid() );
    d->dcCursor = r.start();
    d->directionalPos = inc;

    d->liRange->setView( m_view );

    connect( m_view, SIGNAL(cursorPositionChanged(KTextEditor::View*,KTextEditor::Cursor)), this, SLOT(slotCursorMoved()) );

  }

  d->re.setPattern( "\\b" + doc->text( d->dcRange ) + "(\\w+)" );
  int pos ( 0 );
  QString ln = doc->line( d->dcCursor.line() );

  while ( true )
  {
    //kDebug( 13040 )<<"SEARCHING FOR "<<d->re.pattern()<<" "<<ln<<" at "<<d->dcCursor;
    pos = fw ?
      d->re.indexIn( ln, d->dcCursor.column() ) :
      d->re.lastIndexIn( ln, d->dcCursor.column() );

    if ( pos > -1 ) // we matched a word
    {
      //kDebug( 13040 )<<"USABLE MATCH";
      QString m = d->re.cap( 1 );
      if ( m != doc->text( *d->liRange ) && (d->dcCursor.line() != d->dcRange.start().line() || pos != d->dcRange.start().column() ) )
      {
        // we got good a match! replace text and return.
        d->isCompleting = true;
        KTextEditor::Range replaceRange(d->liRange->toRange());
        if (!replaceRange.isValid()) {
          replaceRange.setRange(r.end(), r.end());
        }
        doc->replaceText( replaceRange, m );
        d->liRange->setRange( KTextEditor::Range( d->dcRange.end(), m.length() ) );

        d->dcCursor.setColumn( pos ); // for next try

        d->isCompleting = false;
        return;
      }

      // equal to last one, continue
      else
      {
        //kDebug( 13040 )<<"SKIPPING, EQUAL MATCH";
        d->dcCursor.setColumn( pos ); // for next try

        if ( fw )
          d->dcCursor.setColumn( pos + m.length() );

        else
        {
          if ( pos == 0 )
          {
            if ( d->dcCursor.line() > 0 )
            {
              int l = d->dcCursor.line() + inc;
              ln = doc->line( l );
              d->dcCursor.setPosition( l, ln.length() );
//.........这里部分代码省略.........