114 lines
3.6 KiB
Java
114 lines
3.6 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.record;
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import org.apache.poi.hssf.record.FormulaRecord.SpecialCachedValue;
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import org.apache.poi.ss.formula.Formula;
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import org.apache.poi.ss.formula.ptg.Ptg;
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import org.apache.poi.ss.usermodel.CellType;
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/**
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* Formula Record (0x0006 / 0x0206 / 0x0406) - holds a formula in
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* encoded form, along with the value if a number
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*/
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public final class OldFormulaRecord extends OldCellRecord {
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public final static short biff2_sid = 0x0006;
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public final static short biff3_sid = 0x0206;
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public final static short biff4_sid = 0x0406;
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public final static short biff5_sid = 0x0006;
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private SpecialCachedValue specialCachedValue;
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private double field_4_value;
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private short field_5_options;
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private Formula field_6_parsed_expr;
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public OldFormulaRecord(RecordInputStream ris) {
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super(ris, ris.getSid() == biff2_sid);
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if (isBiff2()) {
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field_4_value = ris.readDouble();
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} else {
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long valueLongBits = ris.readLong();
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specialCachedValue = SpecialCachedValue.create(valueLongBits);
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if (specialCachedValue == null) {
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field_4_value = Double.longBitsToDouble(valueLongBits);
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}
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}
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if (isBiff2()) {
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field_5_options = (short)ris.readUByte();
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} else {
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field_5_options = ris.readShort();
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}
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int expression_len = ris.readShort();
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int nBytesAvailable = ris.available();
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field_6_parsed_expr = Formula.read(expression_len, ris, nBytesAvailable);
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}
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public int getCachedResultType() {
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if (specialCachedValue == null) {
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return CellType.NUMERIC.getCode();
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}
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return specialCachedValue.getValueType();
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}
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public boolean getCachedBooleanValue() {
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return specialCachedValue.getBooleanValue();
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}
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public int getCachedErrorValue() {
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return specialCachedValue.getErrorValue();
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}
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/**
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* get the calculated value of the formula
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*
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* @return calculated value
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*/
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public double getValue() {
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return field_4_value;
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}
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/**
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* get the option flags
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*
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* @return bitmask
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*/
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public short getOptions() {
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return field_5_options;
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}
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/**
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* @return the formula tokens. never <code>null</code>
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*/
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public Ptg[] getParsedExpression() {
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return field_6_parsed_expr.getTokens();
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}
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public Formula getFormula() {
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return field_6_parsed_expr;
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}
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protected void appendValueText(StringBuilder sb) {
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sb.append(" .value = ").append(getValue()).append("\n");
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}
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protected String getRecordName() {
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return "Old Formula";
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}
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}
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