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ongdishengongdisheng
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style: Apply spotless formatting to fix CI violations
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‎fesod/src/main/java/org/apache/fesod/sheet/analysis/v07/handlers/CellFormulaTagHandler.java‎

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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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package org.apache.fesod.sheet.analysis.v07.handlers;
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import org.apache.fesod.sheet.constant.ExcelXmlConstants;
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import org.apache.fesod.sheet.context.xlsx.XlsxReadContext;
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import org.apache.fesod.sheet.metadata.data.FormulaData;
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import org.apache.fesod.sheet.read.metadata.holder.xlsx.XlsxReadSheetHolder;
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import org.apache.fesod.sheet.util.StringUtils;
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import org.apache.poi.ss.formula.FormulaParser;
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import org.apache.poi.ss.formula.FormulaRenderer;
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import org.apache.poi.ss.formula.FormulaType;
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import org.apache.poi.ss.formula.SharedFormula;
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import org.apache.poi.ss.formula.ptg.Ptg;
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import org.apache.poi.ss.SpreadsheetVersion;
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import org.xml.sax.Attributes;
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/**
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* Cell Handler
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*
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*/
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public class CellFormulaTagHandler extends AbstractXlsxTagHandler {
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@Override
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public void startElement(XlsxReadContext xlsxReadContext, String name, Attributes attributes) {
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XlsxReadSheetHolder xlsxReadSheetHolder = xlsxReadContext.xlsxReadSheetHolder();
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xlsxReadSheetHolder.setTempFormula(new StringBuilder());
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String formulaType = attributes.getValue(ExcelXmlConstants.ATTRIBUTE_T);
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String sharedIndex = attributes.getValue(ExcelXmlConstants.ATTRIBUTE_SI);
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xlsxReadSheetHolder.setTempFormulaType(formulaType);
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xlsxReadSheetHolder.setTempFormulaSharedIndex(sharedIndex != null ? Integer.parseInt(sharedIndex) : null);
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}
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@Override
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public void endElement(XlsxReadContext xlsxReadContext, String name) {
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XlsxReadSheetHolder xlsxReadSheetHolder = xlsxReadContext.xlsxReadSheetHolder();
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String formulaText = xlsxReadSheetHolder.getTempFormula().toString();
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String formulaType = xlsxReadSheetHolder.getTempFormulaType();
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Integer sharedIndex = xlsxReadSheetHolder.getTempFormulaSharedIndex();
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if (ExcelXmlConstants.ATTRIBUTE_SHARED.equals(formulaType) && sharedIndex != null) {
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formulaText = handleSharedFormula(xlsxReadSheetHolder, formulaText, sharedIndex);
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}
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FormulaData formulaData = new FormulaData();
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formulaData.setFormulaValue(formulaText);
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xlsxReadSheetHolder.getTempCellData().setFormulaData(formulaData);
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}
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@Override
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public void characters(XlsxReadContext xlsxReadContext, char[] ch, int start, int length) {
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xlsxReadContext.xlsxReadSheetHolder().getTempFormula().append(ch, start, length);
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}
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/**
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* Handles shared formula when reading from Excel
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*/
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private String handleSharedFormula(XlsxReadSheetHolder xlsxReadSheetHolder, String formulaText, int sharedIndex) {
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Integer currentRow = xlsxReadSheetHolder.getRowIndex();
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Integer currentCol = xlsxReadSheetHolder.getColumnIndex();
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if (currentRow == null || currentCol == null) {
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return formulaText;
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}
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// If formula text exists then this is the master cell
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if (!StringUtils.isEmpty(formulaText)) {
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xlsxReadSheetHolder
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.getSharedFormulaMap()
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.put(sharedIndex, new XlsxReadSheetHolder.SharedFormulaInfo(formulaText, currentRow, currentCol));
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return formulaText;
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} else {
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// No formula text means this is a shared reference cell
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XlsxReadSheetHolder.SharedFormulaInfo masterInfo =
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xlsxReadSheetHolder.getSharedFormulaMap().get(sharedIndex);
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if (masterInfo == null) {
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return "";
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}
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return convertSharedFormula(masterInfo, currentRow, currentCol);
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}
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}
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/**
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* Converts shared formula based on row and column offset
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*/
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private String convertSharedFormula(
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XlsxReadSheetHolder.SharedFormulaInfo masterInfo, int currentRow, int currentCol) {
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try {
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// Parse the master formula text into tokens
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Ptg[] masterPtgs = FormulaParser.parse(masterInfo.getFormulaText(), null, FormulaType.CELL, 0);
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// Calculate offset from the master cell position
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int rowOffset = currentRow - masterInfo.getFirstRow();
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int colOffset = currentCol - masterInfo.getFirstCol();
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// Use POI SharedFormula to convert with offset
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SharedFormula sharedFormula = new SharedFormula(SpreadsheetVersion.EXCEL2007);
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Ptg[] convertedPtgs = sharedFormula.convertSharedFormulas(masterPtgs, rowOffset, colOffset);
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// Convert tokens back to formula string
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return FormulaRenderer.toFormulaString(null, convertedPtgs);
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} catch (Exception e) {
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// If conversion fails, return the master formula as-is
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// This handles cases like volatile functions with no cell references
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// where the formula should be identical across all cells anyway
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return masterInfo.getFormulaText();
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}
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}
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}
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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package org.apache.fesod.sheet.analysis.v07.handlers;
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import org.apache.fesod.sheet.constant.ExcelXmlConstants;
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import org.apache.fesod.sheet.context.xlsx.XlsxReadContext;
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import org.apache.fesod.sheet.metadata.data.FormulaData;
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import org.apache.fesod.sheet.read.metadata.holder.xlsx.XlsxReadSheetHolder;
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import org.apache.fesod.sheet.util.StringUtils;
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import org.apache.poi.ss.SpreadsheetVersion;
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import org.apache.poi.ss.formula.FormulaParser;
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import org.apache.poi.ss.formula.FormulaRenderer;
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import org.apache.poi.ss.formula.FormulaType;
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import org.apache.poi.ss.formula.SharedFormula;
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import org.apache.poi.ss.formula.ptg.Ptg;
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import org.xml.sax.Attributes;
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/**
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* Cell Handler
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*
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*/
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public class CellFormulaTagHandler extends AbstractXlsxTagHandler {
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@Override
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public void startElement(XlsxReadContext xlsxReadContext, String name, Attributes attributes) {
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XlsxReadSheetHolder xlsxReadSheetHolder = xlsxReadContext.xlsxReadSheetHolder();
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xlsxReadSheetHolder.setTempFormula(new StringBuilder());
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String formulaType = attributes.getValue(ExcelXmlConstants.ATTRIBUTE_T);
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String sharedIndex = attributes.getValue(ExcelXmlConstants.ATTRIBUTE_SI);
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xlsxReadSheetHolder.setTempFormulaType(formulaType);
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xlsxReadSheetHolder.setTempFormulaSharedIndex(sharedIndex != null ? Integer.parseInt(sharedIndex) : null);
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}
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@Override
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public void endElement(XlsxReadContext xlsxReadContext, String name) {
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XlsxReadSheetHolder xlsxReadSheetHolder = xlsxReadContext.xlsxReadSheetHolder();
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String formulaText = xlsxReadSheetHolder.getTempFormula().toString();
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String formulaType = xlsxReadSheetHolder.getTempFormulaType();
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Integer sharedIndex = xlsxReadSheetHolder.getTempFormulaSharedIndex();
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if (ExcelXmlConstants.ATTRIBUTE_SHARED.equals(formulaType) && sharedIndex != null) {
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formulaText = handleSharedFormula(xlsxReadSheetHolder, formulaText, sharedIndex);
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}
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FormulaData formulaData = new FormulaData();
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formulaData.setFormulaValue(formulaText);
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xlsxReadSheetHolder.getTempCellData().setFormulaData(formulaData);
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}
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@Override
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public void characters(XlsxReadContext xlsxReadContext, char[] ch, int start, int length) {
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xlsxReadContext.xlsxReadSheetHolder().getTempFormula().append(ch, start, length);
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}
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/**
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* Handles shared formula when reading from Excel
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*/
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private String handleSharedFormula(XlsxReadSheetHolder xlsxReadSheetHolder, String formulaText, int sharedIndex) {
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Integer currentRow = xlsxReadSheetHolder.getRowIndex();
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Integer currentCol = xlsxReadSheetHolder.getColumnIndex();
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if (currentRow == null || currentCol == null) {
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return formulaText;
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}
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// If formula text exists then this is the master cell
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if (!StringUtils.isEmpty(formulaText)) {
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xlsxReadSheetHolder
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.getSharedFormulaMap()
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.put(sharedIndex, new XlsxReadSheetHolder.SharedFormulaInfo(formulaText, currentRow, currentCol));
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return formulaText;
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} else {
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// No formula text means this is a shared reference cell
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XlsxReadSheetHolder.SharedFormulaInfo masterInfo =
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xlsxReadSheetHolder.getSharedFormulaMap().get(sharedIndex);
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if (masterInfo == null) {
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return "";
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}
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return convertSharedFormula(masterInfo, currentRow, currentCol);
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}
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}
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/**
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* Converts shared formula based on row and column offset
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*/
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private String convertSharedFormula(
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XlsxReadSheetHolder.SharedFormulaInfo masterInfo, int currentRow, int currentCol) {
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try {
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// Parse the master formula text into tokens
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Ptg[] masterPtgs = FormulaParser.parse(masterInfo.getFormulaText(), null, FormulaType.CELL, 0);
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// Calculate offset from the master cell position
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int rowOffset = currentRow - masterInfo.getFirstRow();
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int colOffset = currentCol - masterInfo.getFirstCol();
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// Use POI SharedFormula to convert with offset
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SharedFormula sharedFormula = new SharedFormula(SpreadsheetVersion.EXCEL2007);
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Ptg[] convertedPtgs = sharedFormula.convertSharedFormulas(masterPtgs, rowOffset, colOffset);
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// Convert tokens back to formula string
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return FormulaRenderer.toFormulaString(null, convertedPtgs);
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} catch (Exception e) {
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// If conversion fails, return the master formula as-is
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// This handles cases like volatile functions with no cell references
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// where the formula should be identical across all cells anyway
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return masterInfo.getFormulaText();
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}
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}
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}

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