/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /************************************************************************* * * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * Copyright 2000, 2010 Oracle and/or its affiliates. * * OpenOffice.org - a multi-platform office productivity suite * * This file is part of OpenOffice.org. * * OpenOffice.org is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License version 3 * only, as published by the Free Software Foundation. * * OpenOffice.org is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License version 3 for more details * (a copy is included in the LICENSE file that accompanied this code). * * You should have received a copy of the GNU Lesser General Public License * version 3 along with OpenOffice.org. If not, see * * for a copy of the LGPLv3 License. * ************************************************************************/ #ifndef INCLUDED_TABLE_MANAGER_HXX #define INCLUDED_TABLE_MANAGER_HXX #include #include #include #include #include #include "util.hxx" #include "TagLogger.hxx" #if OSL_DEBUG_LEVEL > 0 # include #endif namespace writerfilter { using namespace ::std; template /** Class to handle events generated by TableManager::resolveCurrentTable */ class WRITERFILTER_DLLPUBLIC TableDataHandler { public: typedef boost::shared_ptr Pointer_t; /** Handle start of table. @param nRows number of rows in the table @param nDepth depth of the table in surrounding table hierarchy @param pProps properties of the table */ virtual void startTable(unsigned int nRows, unsigned int nDepth, PropertiesPointer pProps) = 0; /** Handle end of table. */ virtual void endTable() = 0; /** Handle start of row. @param nCols number of columns in the table @param pProps properties of the row */ virtual void startRow(unsigned int nCols, PropertiesPointer pProps) = 0; /** Handle end of row. */ virtual void endRow() = 0; /** Handle start of cell. @param rT start handle of the cell @param pProps properties of the cell */ virtual void startCell(const T & rT, PropertiesPointer pProps) = 0; /** Handle end of cell. @param rT end handle of cell */ virtual void endCell(const T & rT) = 0; }; template /** 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 { #ifdef DEBUG_TABLE TagLogger::Pointer_t mpTableLogger; #endif class TableManagerState { /** properties at the current point in document */ PropertiesPointer mpProps; /** properties of the current cell */ PropertiesPointer mpCellProps; /** properties of the current row */ PropertiesPointer mpRowProps; /** properties of the current table */ stack 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) { } virtual ~TableManagerState() { } void startLevel() { PropertiesPointer 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 resetProps() { mpProps.reset(); } void setProps(PropertiesPointer pProps) { mpProps = pProps; } PropertiesPointer getProps() { return mpProps; } void resetCellProps() { mpCellProps.reset(); } void setCellProps(PropertiesPointer pProps) { mpCellProps = pProps; } PropertiesPointer getCellProps() { return mpCellProps; } void resetRowProps() { mpCellProps.reset(); } void setRowProps(PropertiesPointer pProps) { mpRowProps = pProps; } PropertiesPointer getRowProps() { return mpRowProps; } void resetTableProps() { if (mTableProps.size() > 0) mTableProps.top().reset(); } void setTableProps(PropertiesPointer pProps) { if (mTableProps.size() > 0) mTableProps.top() = pProps; } PropertiesPointer getTableProps() { PropertiesPointer 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 */ T mCurHandle; TableManagerState mState; protected: PropertiesPointer getProps() { return mState.getProps(); } void setProps(PropertiesPointer pProps) { mState.setProps(pProps); } void resetProps() { mState.resetProps(); } PropertiesPointer getCellProps() { return mState.getCellProps(); } void setCellProps(PropertiesPointer pProps) { mState.setCellProps(pProps); } void resetCellProps() { mState.resetCellProps(); } PropertiesPointer getRowProps() { return mState.getRowProps(); } void setRowProps(PropertiesPointer pProps) { mState.setRowProps(pProps); } void resetRowProps() { mState.resetRowProps(); } void setInCell(bool bInCell) { mState.setInCell(bInCell); } bool isInCell() const { return mState.isInCell(); } void setCellEnd(bool bCellEnd) { mState.setCellEnd(bCellEnd); } bool isCellEnd() const { return mState.isCellEnd(); } void setRowEnd(bool bRowEnd) { mState.setRowEnd(bRowEnd); } bool isRowEnd() const { return mState.isRowEnd(); } PropertiesPointer getTableProps() { return mState.getTableProps(); } void setTableProps(PropertiesPointer pProps) { mState.setTableProps(pProps); } void resetTableProps() { mState.resetTableProps(); } T getHandle() { return mCurHandle; } void setHandle(const T & rHandle) { mCurHandle = rHandle; } private: typedef boost::shared_ptr 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 */ stack::Pointer_t > mTableDataStack; typedef typename TableDataHandler::Pointer_t TableDataHandlerPointer_t; /** handler for resolveCurrentTable */ TableDataHandlerPointer_t 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 T & handle, PropertiesPointer pProps); /** Close a cell at current level. */ void closeCell(const T & handle); /** Ensure a cell is open at the current level. */ void ensureOpenCell(PropertiesPointer pProps); protected: /** Return current table depth. */ sal_uInt32 getTableDepthNew() { 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(); public: TableManager(); virtual ~TableManager(){} /** Set handler for resolveCurrentTable. @param pTableDataHandler the handler */ void setHandler(TableDataHandlerPointer_t pTableDataHandler); /** Set the current handle. @param rHandle the handle */ virtual void handle(const T & 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(); /** Handle the start of a paragraph group. */ virtual void startParagraphGroup(); /** Handle the end of a paragraph group. */ virtual void endParagraphGroup(); /** Handle an SPRM at curent handle. @param rSprm the SPRM */ virtual bool sprm(Sprm & rSprm); /** Handle properties at current handle. @param pProps the properites */ virtual void props(PropertiesPointer pProps); /** Handle occurrence of character 0x7. */ virtual void handle0x7(); /** Handle 8 bit text at current handle. @param data array of characters @param len number of characters to handle */ virtual 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 */ virtual void utext(const sal_uInt8 * data, size_t len); /** Handle properties of the current cell. @param pProps the properties */ virtual void cellProps(PropertiesPointer pProps); /** Handle properties of a certain cell in the current row. @paran i index of the cell in the current row @param pProps the properties */ virtual void cellPropsByCell(unsigned int i, PropertiesPointer pProps); /** Handle properties of the current row. @param pProps the properties */ virtual void insertRowProps(PropertiesPointer pProps); /** Handle properties of the current table. @param pProps the properties */ virtual void insertTableProps(PropertiesPointer 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. */ virtual bool isIgnore() const; #ifdef DEBUG_TABLE void setTagLogger(TagLogger::Pointer_t _tagLogger) { mpTableLogger = _tagLogger; } #endif }; template TableManager::TableManager() : mnTableDepthNew(0), mnTableDepth(0) { setRowEnd(false); setInCell(false); setCellEnd(false); } template void TableManager::cellDepth(sal_uInt32 nDepth) { #ifdef DEBUG_TABLE if (mpTableLogger.get() != NULL) { mpTableLogger->startElement("tablemanager.cellDepth"); mpTableLogger->attribute("depth", nDepth); mpTableLogger->endElement("tablemanager.cellDepth"); } #endif mnTableDepthNew = nDepth; } template void TableManager::inCell() { #ifdef DEBUG_TABLE if (mpTableLogger.get() != NULL) mpTableLogger->element("tablemanager.inCell"); #endif setInCell(true); if (mnTableDepthNew < 1) mnTableDepthNew = 1; } template void TableManager::endCell() { #ifdef DEBUG_TABLE if (mpTableLogger.get() != NULL) mpTableLogger->element("tablemanager.endCell"); #endif setCellEnd(true); } template void TableManager::endRow() { #ifdef DEBUG_TABLE if (mpTableLogger.get() != NULL) mpTableLogger->element("tablemanager.endRow"); #endif setRowEnd(true); } template void TableManager::setHandler (typename TableDataHandler::Pointer_t pTableDataHandler) { mpTableDataHandler = pTableDataHandler; } template void TableManager::handle(const T & rHandle) { #ifdef DEBUG_TABLE if (mpTableLogger.get()) { mpTableLogger->startElement("tablemanager.handle"); mpTableLogger->chars(toString(rHandle)); mpTableLogger->endElement("tablemanager.handle"); } #endif setHandle(rHandle); } template void TableManager::startLevel() { #ifdef DEBUG_TABLE if (mpTableLogger.get() != NULL) { typename TableData::Pointer_t pTableData; if (mTableDataStack.size() > 0) pTableData = mTableDataStack.top(); mpTableLogger->startElement("tablemanager.startLevel"); mpTableLogger->attribute("level", mTableDataStack.size()); if (pTableData.get() != NULL) mpTableLogger->attribute("openCell", pTableData->isCellOpen() ? "yes" : "no"); mpTableLogger->endElement("tablemanager.startLevel"); } #endif typename TableData::Pointer_t pTableData (new TableData(mTableDataStack.size())); mTableDataStack.push(pTableData); mState.startLevel(); } template void TableManager::endLevel() { if (mpTableDataHandler.get() != NULL) resolveCurrentTable(); mState.endLevel(); mTableDataStack.pop(); #ifdef DEBUG_TABLE if (mpTableLogger.get() != NULL) { typename TableData::Pointer_t pTableData; if (mTableDataStack.size() > 0) pTableData = mTableDataStack.top(); mpTableLogger->startElement("tablemanager.endLevel"); mpTableLogger->attribute("level", mTableDataStack.size()); if (pTableData.get() != NULL) mpTableLogger->attribute("openCell", pTableData->isCellOpen() ? "yes" : "no"); mpTableLogger->endElement("tablemanager.endLevel"); } #endif } template void TableManager::startParagraphGroup() { mState.resetCellSpecifics(); mnTableDepthNew = 0; } template void TableManager::endParagraphGroup() { sal_Int32 nTableDepthDifference = mnTableDepthNew - mnTableDepth; PropertiesPointer pEmptyProps; while (nTableDepthDifference > 0) { ensureOpenCell(pEmptyProps); startLevel(); --nTableDepthDifference; } while (nTableDepthDifference < 0) { endLevel(); ++nTableDepthDifference; } mnTableDepth = mnTableDepthNew; if (mnTableDepth > 0) { typename TableData::Pointer_t pTableData = mTableDataStack.top(); if (isRowEnd()) { endOfRowAction(); pTableData->endRow(getRowProps()); resetRowProps(); } else if (isInCell()) { ensureOpenCell(getCellProps()); if (isCellEnd()) { endOfCellAction(); closeCell(getHandle()); } } resetCellProps(); } } template bool TableManager::sprm(Sprm & rSprm) { bool bRet = true; switch (rSprm.getId()) { case NS_sprm::LN_PTableDepth: { Value::Pointer_t pValue = rSprm.getValue(); cellDepth(pValue->getInt()); } break; case NS_sprm::LN_PFInTable: inCell(); break; case NS_sprm::LN_PCell: endCell(); break; case NS_sprm::LN_PFTtp: case NS_sprm::LN_PRow: endRow(); break; default: bRet = false; } return bRet; } template void TableManager::props(PropertiesPointer pProps) { setProps(pProps); } template void TableManager::handle0x7() { #ifdef DEBUG_TABLE if (mpTableLogger.get() != NULL) mpTableLogger->startElement("tablemanager.handle0x7"); #endif if (mnTableDepthNew < 1) mnTableDepthNew = 1; if (isInCell()) endCell(); else endRow(); #ifdef DEBUG_TABLE if (mpTableLogger.get() != NULL) mpTableLogger->endElement("tablemanager.handle0x7"); #endif } template void TableManager::text(const sal_uInt8 * data, size_t len) { // optimization: cell/row end characters are the last characters in a run if (len > 0) { if (data[len - 1] == 0x7) handle0x7(); } } template void TableManager::utext(const sal_uInt8 * data, size_t len) { // optimization: cell/row end characters are the last characters in a run if (len > 0) { sal_Unicode nChar = data[(len - 1) * 2] + (data[(len - 1) * 2 + 1] << 8); if (nChar == 0x7) handle0x7(); } } template void TableManager::cellProps(PropertiesPointer pProps) { #ifdef DEBUG_TABLE if (mpTableLogger.get() != NULL) mpTableLogger->startElement("tablemanager.cellProps"); #endif if(getCellProps().get()) getCellProps()->insert( pProps ); else setCellProps(pProps); #ifdef DEBUG_TABLE if (mpTableLogger.get() != NULL) mpTableLogger->endElement("tablemanager.cellProps"); #endif } template void TableManager::cellPropsByCell (unsigned int i, PropertiesPointer pProps) { #ifdef DEBUG_TABLE if (mpTableLogger.get() != NULL) mpTableLogger->startElement("tablemanager.cellPropsByCell"); #endif mTableDataStack.top()->insertCellProperties(i, pProps); #ifdef DEBUG_TABLE if (mpTableLogger.get() != NULL) mpTableLogger->endElement("tablemanager.cellPropsByCell"); #endif } template void TableManager::insertRowProps(PropertiesPointer pProps) { #ifdef DEBUG_TABLE if (mpTableLogger.get() != NULL) mpTableLogger->startElement("tablemanager.insertRowProps"); #endif if( getRowProps().get() ) getRowProps()->insert( pProps ); else setRowProps(pProps); #ifdef DEBUG_TABLE if (mpTableLogger.get() != NULL) mpTableLogger->endElement("tablemanager.insertRowProps"); #endif } template void TableManager::insertTableProps(PropertiesPointer pProps) { #ifdef DEBUG_TABLE if (mpTableLogger.get() != NULL) mpTableLogger->startElement("tablemanager.insertTableProps"); #endif if( getTableProps().get() ) getTableProps()->insert( pProps ); else setTableProps(pProps); #ifdef DEBUG_TABLE if (mpTableLogger.get() != NULL) mpTableLogger->endElement("tablemanager.insertTableProps"); #endif } template void TableManager::resolveCurrentTable() { #ifdef DEBUG_TABLE if (mpTableLogger.get() != NULL) mpTableLogger->startElement("tablemanager.resolveCurrentTable"); #endif if (mpTableDataHandler.get() != NULL) { try { typename TableData::Pointer_t pTableData = mTableDataStack.top(); unsigned int nRows = pTableData->getRowCount(); mpTableDataHandler->startTable(nRows, pTableData->getDepth(), getTableProps()); for (unsigned int nRow = 0; nRow < nRows; ++nRow) { typename RowData::Pointer_t pRowData = pTableData->getRow(nRow); unsigned int nCells = pRowData->getCellCount(); mpTableDataHandler->startRow(nCells, pRowData->getProperties()); for (unsigned int nCell = 0; nCell < nCells; ++nCell) { mpTableDataHandler->startCell (pRowData->getCellStart(nCell), pRowData->getCellProperties(nCell)); mpTableDataHandler->endCell(pRowData->getCellEnd(nCell)); } mpTableDataHandler->endRow(); } mpTableDataHandler->endTable(); } catch (uno::Exception const& e) { (void) e; #if OSL_DEBUG_LEVEL > 0 rtl::OStringBuffer aBuf("resolving of current table failed with: "); aBuf.append(rtl::OUStringToOString(e.Message, RTL_TEXTENCODING_UTF8)); OSL_FAIL(aBuf.getStr()); #endif } } resetTableProps(); clearData(); #ifdef DEBUG_TABLE if (mpTableLogger.get() != NULL) mpTableLogger->endElement("tablemanager.resolveCurrentTable"); #endif } template void TableManager::endOfCellAction() { } template void TableManager::endOfRowAction() { } template bool TableManager::isIgnore() const { return isRowEnd(); } template void TableManager::clearData() { } template void TableManager::openCell (const T & rHandle, PropertiesPointer pProps) { #ifdef DEBUG_TABLE mpTableLogger->startElement("tablemanager.openCell"); mpTableLogger->chars(toString(rHandle)); mpTableLogger->endElement("tablemanager.openCell"); #endif if (mTableDataStack.size() > 0) { typename TableData::Pointer_t pTableData = mTableDataStack.top(); pTableData->addCell(rHandle, pProps); } } template void TableManager::closeCell (const T & rHandle) { #ifdef DEBUG_TABLE mpTableLogger->startElement("tablemanager.closeCell"); mpTableLogger->chars(toString(rHandle)); mpTableLogger->endElement("tablemanager.closeCell"); #endif if (mTableDataStack.size() > 0) { typename TableData::Pointer_t pTableData = mTableDataStack.top(); pTableData->endCell(rHandle); } } template void TableManager::ensureOpenCell(PropertiesPointer pProps) { #ifdef DEBUG_TABLE mpTableLogger->startElement("tablemanager.ensureOpenCell"); #endif if (mTableDataStack.size() > 0) { typename TableData::Pointer_t pTableData = mTableDataStack.top(); if (pTableData.get() != NULL) { if (!pTableData->isCellOpen()) openCell(getHandle(), pProps); else pTableData->insertCellProperties(pProps); } } #ifdef DEBUG_TABLE mpTableLogger->endElement("tablemanager.ensureOpenCell"); #endif } } #endif // INCLUDED_TABLE_MANAGER_HXX /* vim:set shiftwidth=4 softtabstop=4 expandtab: */