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Diffstat (limited to 'writerfilter/source/dmapper/TableManager.hxx')
| -rw-r--r-- | writerfilter/source/dmapper/TableManager.hxx | 530 |
1 files changed, 530 insertions, 0 deletions
diff --git a/writerfilter/source/dmapper/TableManager.hxx b/writerfilter/source/dmapper/TableManager.hxx new file mode 100644 index 000000000..e6600d357 --- /dev/null +++ b/writerfilter/source/dmapper/TableManager.hxx @@ -0,0 +1,530 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#pragma once + +#include <memory> +#include <stack> + +#include "PropertyMap.hxx" +#include "TableData.hxx" + +#include <dmapper/resourcemodel.hxx> + +namespace writerfilter::dmapper +{ + +class DomainMapperTableHandler; + +/** + The table manager. + + This class gets forwarded events from the tokenizer. It gathers the + table data and after ending the table generates events for the + table structure. The events have to be handles by a TableDataHandler. + + */ +class TableManager : public virtual SvRefBase +{ + class TableManagerState final + { + /** + properties of the current cell + */ + TablePropertyMapPtr mpCellProps; + + /** + properties of the current row + */ + TablePropertyMapPtr mpRowProps; + + /** + table exception properties of the current row + */ + TablePropertyMapPtr mpTableExceptionProps; + + /** + properties of the current table + */ + std::stack<TablePropertyMapPtr> mTableProps; + + /** + true if at the end of a row + */ + bool mbRowEnd; + + /** + true when in a cell + */ + bool mbInCell; + + /** + true when at the end of a cell + */ + bool mbCellEnd; + + public: + /** + Constructor + */ + TableManagerState() + : mbRowEnd(false), mbInCell(false), mbCellEnd(false) + { + } + + void startLevel() + { + TablePropertyMapPtr pProps; + mTableProps.push(pProps); + } + + void endLevel() + { + mTableProps.pop(); + } + + /** + Reset to initial state at beginning of row. + */ + void resetCellSpecifics() + { + mbRowEnd = false; + mbInCell = false; + mbCellEnd = false; + } + + void resetCellProps() + { + // copy tblPrEx table exception properties, if they exist + if (getTableExceptionProps().is()) + { + mpCellProps = new TablePropertyMap; + mpCellProps->InsertProps(getTableExceptionProps().get()); + } + else + mpCellProps.clear(); + } + + void setCellProps(TablePropertyMapPtr pProps) + { + mpCellProps = pProps; + } + + const TablePropertyMapPtr& getCellProps() const + { + return mpCellProps; + } + + void resetRowProps() + { + // reset also table exception and + // its copy set by the previous resetCellProps() + mpTableExceptionProps.clear(); + resetCellProps(); + mpRowProps.clear(); + } + + void setRowProps(TablePropertyMapPtr pProps) + { + mpRowProps = pProps; + } + + const TablePropertyMapPtr& getRowProps() const + { + return mpRowProps; + } + + void setTableExceptionProps(TablePropertyMapPtr pProps) + { + mpTableExceptionProps = pProps; + // set table exception properties of the first cell + resetCellProps(); + } + + const TablePropertyMapPtr& getTableExceptionProps() const + { + return mpTableExceptionProps; + } + + void resetTableProps() + { + if (mTableProps.size() > 0) + mTableProps.top().clear(); + } + + void setTableProps(TablePropertyMapPtr pProps) + { + if (mTableProps.size() > 0) + mTableProps.top() = pProps; + } + + TablePropertyMapPtr getTableProps() + { + TablePropertyMapPtr pResult; + + if (mTableProps.size() > 0) + pResult = mTableProps.top(); + + return pResult; + } + + void setInCell(bool bInCell) + { + mbInCell = bInCell; + } + + bool isInCell() const + { + return mbInCell; + } + + void setCellEnd(bool bCellEnd) + { + mbCellEnd = bCellEnd; + } + + bool isCellEnd() const + { + return mbCellEnd; + } + + void setRowEnd(bool bRowEnd) + { + mbRowEnd = bRowEnd; + } + + bool isRowEnd() const + { + return mbRowEnd; + } + }; + + /** + handle for the current position in document + */ + css::uno::Reference<css::text::XTextRange> mCurHandle; + + TableManagerState mState; + +protected: + TablePropertyMapPtr const & getCellProps() const + { + return mState.getCellProps(); + } + +public: + TablePropertyMapPtr const & getRowProps() const + { + return mState.getRowProps(); + } + + TablePropertyMapPtr const & getTableExceptionProps() const + { + return mState.getTableExceptionProps(); + } + +protected: + void setInCell(bool bInCell) + { + mState.setInCell(bInCell); + } + + bool isInCell() const + { + return mState.isInCell(); + } + + void setCellEnd(bool bCellEnd) + { + mState.setCellEnd(bCellEnd); + } + + void setRowEnd(bool bRowEnd) + { + mState.setRowEnd(bRowEnd); + } + + bool isRowEnd() const + { + return mState.isRowEnd(); + } + + TablePropertyMapPtr getTableProps() + { + return mState.getTableProps(); + } + + const css::uno::Reference<css::text::XTextRange>& getHandle() const + { + return mCurHandle; + } + + void setHandle(const css::uno::Reference<css::text::XTextRange>& rHandle) + { + mCurHandle = rHandle; + } + +private: + typedef tools::SvRef< css::uno::Reference<css::text::XTextRange> > T_p; + + /** + depth of the current cell + */ + sal_uInt32 mnTableDepthNew; + + /** + depth of the previous cell + */ + sal_uInt32 mnTableDepth; + + /** + stack of table data + + for each level of nested tables there is one frame in the stack + */ + std::stack<TableData::Pointer_t> mTableDataStack; + RowData::Pointer_t mpUnfinishedRow; + bool mbKeepUnfinishedRow; + /// If this is a nested table, does it start at cell start? + bool m_bTableStartsAtCellStart; + + bool m_bCellLastParaAfterAutospacing; + + /** + handler for resolveCurrentTable + */ + tools::SvRef<DomainMapperTableHandler> mpTableDataHandler; + + /** + Set flag which indicates the current handle is in a cell. + */ + void inCell(); + + /** + Set flag which indicate the current handle is at the end of a cell. + */ + void endCell(); + + /** + Set the table depth of the current cell. + + @param nDepth the cell depth + */ + void cellDepth(sal_uInt32 nDepth); + + /** + Set flag indication the current handle is at the end of a row. + */ + void endRow(); + + /** + Resolve the current table to the TableDataHandler. + */ + void resolveCurrentTable(); + + /** + Open a cell at current level. + */ + + void openCell(const css::uno::Reference<css::text::XTextRange>& rHandle, const TablePropertyMapPtr& pProps); + + /** + Close a cell at current level. + */ + void closeCell(const css::uno::Reference<css::text::XTextRange>& rHandle); + + /** + Ensure a cell is open at the current level. + */ + void ensureOpenCell(const TablePropertyMapPtr& pProps); + +protected: + /** + Return the current table difference, i.e. 1 if we are in the first cell of a new table, etc. + */ + sal_Int32 getTableDepthDifference() const { return mnTableDepthNew - mnTableDepth; } + + sal_uInt32 getTableDepth() const { return mnTableDepthNew; } + + /** + Action to be carried out at the end of the last paragraph of a + cell. + */ + virtual void endOfCellAction(); + + /** + Action to be carried out at the end of the "table row" + paragraph. + */ + virtual void endOfRowAction(); + /** let the derived class clear their table related data + */ + virtual void clearData(); + + /** Should we keep the unfinished row in endLevel to initialize the table + data in the following startLevel. + */ + void setKeepUnfinishedRow(bool bKeep) + { + mbKeepUnfinishedRow = bKeep; + } + + +public: + TableManager(); + ~TableManager(); + + /** + Set handler for resolveCurrentTable. + + @param pTableDataHandler the handler + */ + void setHandler(const tools::SvRef<DomainMapperTableHandler>& pTableDataHandler); + + /** + Set the current handle. + + @param rHandle the handle + */ + void handle(const css::uno::Reference<css::text::XTextRange>& rHandle); + + /** + Start a new table level. + + A new context is pushed onto the table data stack, + */ + virtual void startLevel(); + + /** + End a table level. + + The current table is resolved and the context is popped from + the stack. + */ + virtual void endLevel(); + + /** + * Signal that the next paragraph definitely won't be part of any table. + */ + void endTable() + { + setRowEnd(false); + } + + /** + Tells whether a table has been started or not + */ + bool isInTable(); + + /** + Handle the start of a paragraph group. + */ + void startParagraphGroup(); + + /** + Handle the end of a paragraph group. + */ + void endParagraphGroup(); + + /** + Handle an SPRM at current handle. + + @param rSprm the SPRM + */ + virtual bool sprm(Sprm & rSprm); + + /** + Handle occurrence of character 0x7. + */ + void handle0x7(); + + /** + Handle 8 bit text at current handle. + + @param data array of characters + @param len number of characters to handle + */ + void text(const sal_uInt8 * data, size_t len); + + /** + Handle 16 bit text at current handle. + + @param data array of characters + @param len number of characters to handle + */ + void utext(const sal_uInt8 * data, size_t len); + + /** + Handle properties of the current cell. + + @param pProps the properties + */ + virtual void cellProps(const TablePropertyMapPtr& pProps); + + /** + Handle properties of the current row. + + @param pProps the properties + */ + virtual void insertRowProps(const TablePropertyMapPtr& pProps); + + /** + Handle table exception properties of the current row. + + @param pProps the properties + */ + virtual void tableExceptionProps(const TablePropertyMapPtr& pProps); + + /** + Handle properties of the current table. + + @param pProps the properties + */ + virtual void insertTableProps(const TablePropertyMapPtr& pProps); + + /** + Return if table manager has detected paragraph to ignore. + + If this function returns true the current paragraph contains + only control information, e.g. end of row. + */ + bool isIgnore() const; + + sal_uInt32 getGridBefore(sal_uInt32 nRow); + sal_uInt32 getCurrentGridBefore(); + void setCurrentGridBefore( sal_uInt32 nSkipGrids ); + sal_uInt32 getGridAfter(sal_uInt32 nRow); + void setCurrentGridAfter( sal_uInt32 nSkipGrids ); + std::vector<sal_uInt32> getCurrentGridSpans(); + void setCurrentGridSpan( sal_uInt32 nGridSpan, bool bFirstCell = false ); + /// Given a zero-based row/cell, return the zero-based grid it belongs to, or SAL_MAX_UINT16 for invalid. + sal_uInt32 findColumn( const sal_uInt32 nRow, const sal_uInt32 nCell ); + /// Given a zero-based row/col, return the zero-based cell describing that grid, or SAL_MAX_UINT16 for invalid. + sal_uInt32 findColumnCell( const sal_uInt32 nRow, const sal_uInt32 nCol ); + + void setTableStartsAtCellStart(bool bTableStartsAtCellStart); + void setCellLastParaAfterAutospacing(bool bIsAfterAutospacing); + bool isCellLastParaAfterAutospacing() const {return m_bCellLastParaAfterAutospacing;} +}; + +} + + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |