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| ** |
| ** This file is part of the QtGui module of the Qt Toolkit. |
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| ** $QT_BEGIN_LICENSE:LGPL$ |
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| ** Alternatively, this file may be used under the terms of the GNU |
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| ****************************************************************************/ |
| |
| #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/private/qtguiglobal_p.h> |
| #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_MOVE(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 = nullptr); |
| |
| void import(); |
| |
| private: |
| bool closeTag(); |
| |
| Table scanTable(int tableNodeIdx); |
| |
| enum ProcessNodeResult { ContinueWithNextNode, ContinueWithCurrentNode, ContinueWithNextSibling }; |
| |
| 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; |
| }; |
| friend class QTypeInfo<List>; |
| QVector<List> lists; |
| int indent; |
| int headingLevel; |
| |
| // 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 = nullptr) : 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 == nullptr || row >= table->rows(); } |
| |
| QTextTableCell cell() const { return table->cellAt(row, column); } |
| |
| QTextTable *table; |
| int row; |
| int column; |
| }; |
| friend class QTypeInfo<TableCellIterator>; |
| |
| 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; |
| }; |
| friend class QTypeInfo<Table>; |
| QVector<Table> tables; |
| |
| struct RowColSpanInfo |
| { |
| int row, col; |
| int rowSpan, colSpan; |
| }; |
| friend class QTypeInfo<RowColSpanInfo>; |
| |
| 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; |
| }; |
| Q_DECLARE_TYPEINFO(QTextHtmlImporter::List, Q_MOVABLE_TYPE); |
| Q_DECLARE_TYPEINFO(QTextHtmlImporter::TableCellIterator, Q_PRIMITIVE_TYPE); |
| Q_DECLARE_TYPEINFO(QTextHtmlImporter::Table, Q_MOVABLE_TYPE); |
| Q_DECLARE_TYPEINFO(QTextHtmlImporter::RowColSpanInfo, Q_PRIMITIVE_TYPE); |
| |
| QT_END_NAMESPACE |
| #endif // QT_NO_TEXTHTMLPARSER |
| |
| #endif // QTEXTDOCUMENTFRAGMENT_P_H |