File indexing completed on 2024-04-14 03:55:09

 /*
     SPDX-FileCopyrightText: 2009 Milian Wolff <mail@milianw.de>
     SPDX-FileCopyrightText: 2002 John Firebaugh <jfirebaugh@kde.org>
     SPDX-FileCopyrightText: 2001 Christoph Cullmann <cullmann@kde.org>
     SPDX-FileCopyrightText: 2001 Joseph Wenninger <jowenn@kde.org>
     SPDX-FileCopyrightText: 1999 Jochen Wilhelmy <digisnap@cs.tu-berlin.de>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #include "exporter.h"
 #include "abstractexporter.h"
 #include "htmlexporter.h"
 
 #include <ktexteditor/document.h>
 #include <ktexteditor/view.h>
 
 #include <KLocalizedString>
 
 #include <QApplication>
 #include <QClipboard>
 #include <QFileDialog>
 #include <QMimeData>
 
 void KateExporter::exportToClipboard()
 {
     if (!m_view->selection()) {
         return;
     }
 
     QMimeData *data = new QMimeData();
 
     QString s;
     QTextStream output(&s, QIODevice::WriteOnly);
     exportData(true, output);
 
     data->setHtml(s);
     data->setText(s);
 
     QApplication::clipboard()->setMimeData(data);
 }
 
 void KateExporter::exportToFile(const QString &file)
 {
     QFile savefile(file);
     if (!savefile.open(QIODevice::WriteOnly | QIODevice::Truncate)) {
         return;
     }
 
     QTextStream outputStream(&savefile);
     exportData(false, outputStream);
 }
 
 void KateExporter::exportData(const bool useSelection, QTextStream &output)
 {
     const KTextEditor::Range range = useSelection ? m_view->selectionRange() : m_view->document()->documentRange();
     const bool blockwise = useSelection ? m_view->blockSelection() : false;
 
     if ((blockwise || range.onSingleLine()) && (range.start().column() > range.end().column())) {
         return;
     }
 
     /// TODO: add more exporters
     std::unique_ptr<AbstractExporter> exporter = std::make_unique<HTMLExporter>(m_view, output, !useSelection);
 
     const KTextEditor::Attribute::Ptr noAttrib(nullptr);
 
     for (int i = range.start().line(); (i <= range.end().line()) && (i < m_view->document()->lines()); ++i) {
         const QString &line = m_view->document()->line(i);
 
         const QList<KTextEditor::AttributeBlock> attribs = m_view->lineAttributes(i);
 
         int lineStart = 0;
         int remainingChars = line.length();
         if (blockwise || range.onSingleLine()) {
             lineStart = range.start().column();
             remainingChars = range.columnWidth();
         } else if (i == range.start().line()) {
             lineStart = range.start().column();
         } else if (i == range.end().line()) {
             remainingChars = range.end().column();
         }
 
         int handledUntil = lineStart;
 
         for (const KTextEditor::AttributeBlock &block : attribs) {
             // honor (block-) selections
             if (block.start + block.length <= lineStart) {
                 continue;
             } else if (block.start >= lineStart + remainingChars) {
                 break;
             }
             int start = qMax(block.start, lineStart);
             if (start > handledUntil) {
                 exporter->exportText(line.mid(handledUntil, start - handledUntil), noAttrib);
             }
             int length = qMin(block.length, remainingChars);
             exporter->exportText(line.mid(start, length), block.attribute);
             handledUntil = start + length;
         }
 
         if (handledUntil < lineStart + remainingChars) {
             exporter->exportText(line.mid(handledUntil, remainingChars), noAttrib);
         }
 
         exporter->closeLine(i == range.end().line());
     }
 
     output.flush();
 }