69 lines
2.6 KiB
Java
69 lines
2.6 KiB
Java
/* ====================================================================
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==================================================================== */
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package org.apache.poi.hssf.model;
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import org.apache.poi.hssf.record.formula.Ptg;
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import org.apache.poi.hssf.usermodel.HSSFEvaluationWorkbook;
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import org.apache.poi.hssf.usermodel.HSSFWorkbook;
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import org.apache.poi.ss.formula.FormulaParser;
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import org.apache.poi.ss.formula.FormulaParsingWorkbook;
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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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/**
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* HSSF wrapper for the {@link FormulaParser} and {@link FormulaRenderer}
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*
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* @author Josh Micich
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*/
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public final class HSSFFormulaParser {
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private static FormulaParsingWorkbook createParsingWorkbook(HSSFWorkbook book) {
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return HSSFEvaluationWorkbook.create(book);
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}
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private HSSFFormulaParser() {
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// no instances of this class
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}
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/**
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* Convenience method for parsing cell formulas. see {@link #parse(String, HSSFWorkbook, int)}
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*/
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public static Ptg[] parse(String formula, HSSFWorkbook workbook) {
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return FormulaParser.parse(formula, createParsingWorkbook(workbook));
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}
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/**
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* @param formulaType a constant from {@link FormulaType}
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* @return the parsed formula tokens
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*/
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public static Ptg[] parse(String formula, HSSFWorkbook workbook, int formulaType) {
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return FormulaParser.parse(formula, createParsingWorkbook(workbook), formulaType);
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}
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/**
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* Static method to convert an array of {@link Ptg}s in RPN order
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* to a human readable string format in infix mode.
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* @param book used for defined names and 3D references
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* @param ptgs must not be <code>null</code>
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* @return a human readable String
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*/
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public static String toFormulaString(HSSFWorkbook book, Ptg[] ptgs) {
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return FormulaRenderer.toFormulaString(HSSFEvaluationWorkbook.create(book), ptgs);
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}
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}
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