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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QTEXTDOCUMENTFRAGMENT_P_H
+#define QTEXTDOCUMENTFRAGMENT_P_H
+
+//
+// W A R N I N G
+// -------------
+//
+// This file is not part of the Qt API. It exists purely as an
+// implementation detail. This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "QtGui/qtextdocument.h"
+#include "private/qtexthtmlparser_p.h"
+#include "private/qtextdocument_p.h"
+#include "QtGui/qtexttable.h"
+#include "QtCore/qatomic.h"
+#include "QtCore/qlist.h"
+#include "QtCore/qmap.h"
+#include "QtCore/qpointer.h"
+#include "QtCore/qvarlengtharray.h"
+#include "QtCore/qdatastream.h"
+
+QT_BEGIN_NAMESPACE
+
+class QTextDocumentFragmentPrivate;
+
+class QTextCopyHelper
+{
+public:
+ QTextCopyHelper(const QTextCursor &_source, const QTextCursor &_destination, bool forceCharFormat = false, const QTextCharFormat &fmt = QTextCharFormat());
+
+ void copy();
+
+private:
+ void appendFragments(int pos, int endPos);
+ int appendFragment(int pos, int endPos, int objectIndex = -1);
+ int convertFormatIndex(const QTextFormat &oldFormat, int objectIndexToSet = -1);
+ inline int convertFormatIndex(int oldFormatIndex, int objectIndexToSet = -1)
+ { return convertFormatIndex(src->formatCollection()->format(oldFormatIndex), objectIndexToSet); }
+ inline QTextFormat convertFormat(const QTextFormat &fmt)
+ { return dst->formatCollection()->format(convertFormatIndex(fmt)); }
+
+ int insertPos;
+
+ bool forceCharFormat;
+ int primaryCharFormatIndex;
+
+ QTextCursor cursor;
+ QTextDocumentPrivate *dst;
+ QTextDocumentPrivate *src;
+ QTextFormatCollection &formatCollection;
+ const QString originalText;
+ QMap<int, int> objectIndexMap;
+};
+
+class QTextDocumentFragmentPrivate
+{
+public:
+ QTextDocumentFragmentPrivate(const QTextCursor &cursor = QTextCursor());
+ inline ~QTextDocumentFragmentPrivate() { delete doc; }
+
+ void insert(QTextCursor &cursor) const;
+
+ QAtomicInt ref;
+ QTextDocument *doc;
+
+ uint importedFromPlainText : 1;
+private:
+ Q_DISABLE_COPY(QTextDocumentFragmentPrivate)
+};
+
+#ifndef QT_NO_TEXTHTMLPARSER
+
+class QTextHtmlImporter : public QTextHtmlParser
+{
+ struct Table;
+public:
+ enum ImportMode {
+ ImportToFragment,
+ ImportToDocument
+ };
+
+ QTextHtmlImporter(QTextDocument *_doc, const QString &html,
+ ImportMode mode,
+ const QTextDocument *resourceProvider = 0);
+
+ void import();
+
+private:
+ bool closeTag();
+
+ Table scanTable(int tableNodeIdx);
+
+ enum ProcessNodeResult { ContinueWithNextNode, ContinueWithCurrentNode };
+
+ void appendBlock(const QTextBlockFormat &format, QTextCharFormat charFmt = QTextCharFormat());
+ bool appendNodeText();
+
+ ProcessNodeResult processBlockNode();
+ ProcessNodeResult processSpecialNodes();
+
+ struct List
+ {
+ inline List() : listNode(0) {}
+ QTextListFormat format;
+ int listNode;
+ QPointer<QTextList> list;
+ };
+ QVector<List> lists;
+ int indent;
+
+ // insert a named anchor the next time we emit a char format,
+ // either in a block or in regular text
+ QStringList namedAnchors;
+
+#ifdef Q_CC_SUN
+ friend struct QTextHtmlImporter::Table;
+#endif
+ struct TableCellIterator
+ {
+ inline TableCellIterator(QTextTable *t = 0) : table(t), row(0), column(0) {}
+
+ inline TableCellIterator &operator++() {
+ if (atEnd())
+ return *this;
+ do {
+ const QTextTableCell cell = table->cellAt(row, column);
+ if (!cell.isValid())
+ break;
+ column += cell.columnSpan();
+ if (column >= table->columns()) {
+ column = 0;
+ ++row;
+ }
+ } while (row < table->rows() && table->cellAt(row, column).row() != row);
+
+ return *this;
+ }
+
+ inline bool atEnd() const { return table == 0 || row >= table->rows(); }
+
+ QTextTableCell cell() const { return table->cellAt(row, column); }
+
+ QTextTable *table;
+ int row;
+ int column;
+ };
+
+ friend struct Table;
+ struct Table
+ {
+ Table() : isTextFrame(false), rows(0), columns(0), currentRow(0), lastIndent(0) {}
+ QPointer<QTextFrame> frame;
+ bool isTextFrame;
+ int rows;
+ int columns;
+ int currentRow; // ... for buggy html (see html_skipCell testcase)
+ TableCellIterator currentCell;
+ int lastIndent;
+ };
+ QVector<Table> tables;
+
+ struct RowColSpanInfo
+ {
+ int row, col;
+ int rowSpan, colSpan;
+ };
+
+ enum WhiteSpace
+ {
+ RemoveWhiteSpace,
+ CollapseWhiteSpace,
+ PreserveWhiteSpace
+ };
+
+ WhiteSpace compressNextWhitespace;
+
+ QTextDocument *doc;
+ QTextCursor cursor;
+ QTextHtmlParserNode::WhiteSpaceMode wsm;
+ ImportMode importMode;
+ bool hasBlock;
+ bool forceBlockMerging;
+ bool blockTagClosed;
+ int currentNodeIdx;
+ const QTextHtmlParserNode *currentNode;
+};
+
+QT_END_NAMESPACE
+#endif // QT_NO_TEXTHTMLPARSER
+
+#endif // QTEXTDOCUMENTFRAGMENT_P_H