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path: root/src/bookmarks/bookmarkstreeformat_xbel_write.cpp
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/* ============================================================
 * rekonq
 * ============================================================
 * SPDX-License-Identifier: GPL-3.0-only
 * Copyright (C) 2022 aqua <aqua@iserlohn-fortress.net>
 * ============================================================
 * Description: rekonq bookmarks model
 * ============================================================ */

#include "bookmarkstreeformat_xbel.h"
#include "bookmarkstreeitem.hpp"
#include <QXmlStreamReader>

inline void writeNodeAttributes(QXmlStreamWriter &writer, const BookmarksTreeItem *item)
{
  // id
  if (const auto id = item->data(BookmarksTreeItem::Id).toString(); !id.isEmpty())
    writer.writeAttribute(xbel::attr_id, id);

  // added
  if (const auto added = item->data(BookmarksTreeItem::Added).toDateTime(); !added.isNull())
    writer.writeAttribute(xbel::attr_added, added.toString(Qt::ISODate));
}

inline void writeUrlAttributes(QXmlStreamWriter &writer, const BookmarksTreeItem *item)
{
  // href (required)
  writer.writeAttribute(xbel::attr_href, item->data(BookmarksTreeItem::Href).toString());

  // visited
  if (const auto visited = item->data(BookmarksTreeItem::Visited).toDateTime(); !visited.isNull())
    writer.writeAttribute(xbel::attr_visited, visited.toString(Qt::ISODate));

  // modified
  if (const auto modified = item->data(BookmarksTreeItem::Modified).toDateTime(); !modified.isNull())
    writer.writeAttribute(xbel::attr_modified, modified.toString(Qt::ISODate));
}

inline void writeItemTitle(QXmlStreamWriter &writer, const BookmarksTreeItem *item)
{
  if (const auto title = item->data(BookmarksTreeItem::Title).toString(); !title.isEmpty())
    writer.writeTextElement(xbel::elem_title, title);
}

inline void writeItemInfo(QXmlStreamWriter &writer, const BookmarksTreeItem *item)
{
  if (!item->metadata.isEmpty()) {
    writer.writeStartElement(xbel::elem_info);
    for (const auto &meta : item->metadata) {
      writer.writeStartElement(xbel::elem_metadata);
      writer.writeAttribute(xbel::elem_metadata_owner, xbel::elem_metadata_owner_value);
      writer.writeCDATA(meta);
      writer.writeEndElement(); // elem_metadata
    }
    writer.writeEndElement(); // elem_info
  }
}

inline void writeItemDesc(QXmlStreamWriter &writer, const BookmarksTreeItem *item)
{
  if (const auto desc = item->data(BookmarksTreeItem::Description).toString(); !desc.isEmpty())
    writer.writeTextElement(xbel::elem_desc, desc);
}

inline void writeChildElements(QXmlStreamWriter &writer, const BookmarksTreeItem *item)
{
  switch (item->type()) {
  case BookmarksTreeItem::Root:
    // node.att
    writeNodeAttributes(writer, item);
    // title
    writeItemTitle(writer, item);
    // info
    writeItemInfo(writer, item);
    // desc
    writeItemDesc(writer, item);
    // children
    for (int i = 0; i < item->childCount(); ++i) { writeChildElements(writer, item->child(i)); }
    break;

  case BookmarksTreeItem::Folder:
    writer.writeStartElement(xbel::elem_folder);
    // note.att
    writeNodeAttributes(writer, item);
    // folded
    writer.writeAttribute(xbel::attr_folded, !item->isExpanded() ? xbel::attr_folded_yes : xbel::attr_folded_no);
    // title
    writeItemTitle(writer, item);
    // info
    writeItemInfo(writer, item);
    // desc
    writeItemDesc(writer, item);
    // children
    for (int i = 0; i < item->childCount(); ++i) { writeChildElements(writer, item->child(i)); }

    break;

  case BookmarksTreeItem::Bookmark:
    writer.writeStartElement(xbel::elem_bookmark);
    // node.att
    writeNodeAttributes(writer, item);
    // url.att
    writeUrlAttributes(writer, item);
    // title
    writeItemTitle(writer, item);
    // info
    writeItemInfo(writer, item);
    // desc
    writeItemDesc(writer, item);
    break;

  case BookmarksTreeItem::Separator:
    writer.writeStartElement(xbel::elem_separator);
    // empty
    break;

  case BookmarksTreeItem::Alias:
    writer.writeStartElement(xbel::elem_alias);
    // ref
    writer.writeAttribute(xbel::attr_ref, item->data(BookmarksTreeItem::Id).toString());
    break;
  }

  writer.writeEndElement();
}

bool xbel::write(QIODevice *device, const QVector<const BookmarksTreeItem *> &items)
{
  QXmlStreamWriter xmlWriter(device);
  xmlWriter.setAutoFormatting(true);

  xmlWriter.writeStartDocument();
  xmlWriter.writeDTD("<!DOCTYPE xbel>");

  xmlWriter.writeStartElement(xbel::elem_xbel);
  xmlWriter.writeAttribute(xbel::attr_version, xbel::attr_version_value);

  for (const auto *item : items) writeChildElements(xmlWriter, item);

  xmlWriter.writeEndDocument();
  return true;
}