1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
|
/*
* 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 .
*/
package org.openoffice.xmerge.converter.xml.sxc.pexcel.records;
import java.io.OutputStream;
import java.io.InputStream;
import java.io.IOException;
import org.openoffice.xmerge.util.Debug;
import org.openoffice.xmerge.util.EndianConverter;
import org.openoffice.xmerge.converter.xml.OfficeConstants;
import org.openoffice.xmerge.converter.xml.sxc.Format;
import org.openoffice.xmerge.converter.xml.sxc.pexcel.records.formula.FormulaHelper;
import org.openoffice.xmerge.converter.xml.sxc.pexcel.records.Workbook;
import org.openoffice.xmerge.converter.xml.sxc.pexcel.PocketExcelConstants;
/**
* Represents a BIFF Record describing a formula
*/
public class Formula extends CellValue implements OfficeConstants {
private byte[] num = new byte[8];
private byte grbit;
private byte[] cce = new byte[2];
private byte[] rgce;
private FormulaHelper fh = new FormulaHelper();
/**
* Constructs a <code>Formula</code> using specified attributes
*
* @param row row number
* @param column column number
* @param cellContents contents of the cell
* @param ixfe font index
* @param fmt cell format description.
* @param wb the workbook we are defined in.
*/
public Formula(int row, int column, String cellContents, int ixfe, Format fmt, Workbook wb)
throws Exception {
fh.setWorkbook(wb);
setRow(row);
setCol(column);
setIxfe(ixfe);
setFormula(cellContents);
String category = fmt.getCategory();
String value = fmt.getValue();
if(category.equalsIgnoreCase(CELLTYPE_BOOLEAN)) {
num[0]=(byte)0x01;
num[1]=(byte)0x00;
if(value.equalsIgnoreCase("true")) {
num[2]=(byte)0x01;
} else {
num[2]=(byte)0x00;
}
num[3]=(byte)0x00;num[4]=(byte)0x00;num[5]=(byte)0x00;
num[6]=(byte)0xFF;num[7]=(byte)0xFF;
} else if(category.equalsIgnoreCase(CELLTYPE_DATE)) {
Debug.log(Debug.TRACE,"Date Formula");
num = EndianConverter.writeDouble(toExcelSerialDate(fmt.getValue()));
} else if(category.equalsIgnoreCase(CELLTYPE_TIME)) {
Debug.log(Debug.TRACE,"Time Formula");
num = EndianConverter.writeDouble(toExcelSerialTime(fmt.getValue()));
} else if(category.equalsIgnoreCase(CELLTYPE_PERCENT)) {
Debug.log(Debug.TRACE,"Percent Formula");
double percent = Double.parseDouble(fmt.getValue());
num = EndianConverter.writeDouble(percent);
} else if(category.equalsIgnoreCase(CELLTYPE_CURRENCY)) {
Debug.log(Debug.TRACE,"Currency Formula");
} else if(category.equalsIgnoreCase(CELLTYPE_STRING)) {
Debug.log(Debug.TRACE,"String Formula");
num[0]=(byte)0x00;
num[1]=(byte)0x00;
num[2]=(byte)0x00;
num[3]=(byte)0x00;
num[4]=(byte)0x00;
num[5]=(byte)0x00;
num[6]=(byte)0xFF;
num[7]=(byte)0xFF;
} else {
Debug.log(Debug.TRACE,"Float Formula");
double cellLong = Double.parseDouble(fmt.getValue());
num = EndianConverter.writeDouble(cellLong);
}
}
/**
* Translates a <code>String</code> written in infix which represents a
* formula into a byte[] what can be written to pocket excel file.
*
* @param inFormula formula string
*/
public void setFormula(String inFormula) throws Exception {
rgce = fh.convertCalcToPXL(inFormula);
cce = EndianConverter.writeShort((short) rgce.length);
}
/**
* Constructs a pocket Excel formula from the
* <code>InputStream</code>
*
* @param is InputStream containing a Pocket Excel Data file.
* @param wb The workbook we are defined in.
*/
public Formula(InputStream is, Workbook wb) throws IOException {
read(is);
fh.setWorkbook(wb);
}
/**
* Get the hex code for this particular <code>BIFFRecord</code>
*
* @return the hex code for <code>Formula</code>
*/
public short getBiffType() {
return PocketExcelConstants.FORMULA_CELL;
}
/**
* Reads the formula data members from the stream. Byte arrays for Strings
* are doubled as they are stored as unicode
*
* @param input the input stream to read from.
* @return total number of bytes read
*/
public int read(InputStream input) throws IOException {
int numOfBytesRead = super.read(input);
numOfBytesRead += input.read(num);
grbit = (byte) input.read();
numOfBytesRead ++;
numOfBytesRead += input.read(cce);
int strLen = EndianConverter.readShort(cce);
rgce = new byte[strLen];
input.read(rgce, 0, strLen);
Debug.log(Debug.TRACE, " num : " + num +
"\n\tgrbit : " + grbit +
" cce : " + EndianConverter.readShort(cce) +
" rgce : " + new String(rgce,"UTF-16LE") +
"\n" + numOfBytesRead + " Bytes Read");
return numOfBytesRead;
}
/**
* Writes the Formula record to the <code>OutputStream</code>
*
* @param output The <code>OutputStream</code> being written to
*/
public void write(OutputStream output) throws IOException {
output.write(getBiffType());
super.write(output);
output.write(num);
output.write(grbit);
output.write(cce);
output.write(rgce);
Debug.log(Debug.TRACE,"Writing Formula record");
}
/**
* Gets the <code>String</code> representing the cell value
*
* @return the <code>String</code> representing the cell value
*/
public String getValue() throws IOException {
double value = EndianConverter.readDouble(num);
Double myDo = new Double(value);
return myDo.toString();
}
/**
* Gets the <code>String</code> representing the cells contents
*
* @return the <code>String</code> representing the cells contents
*/
public String getString() throws IOException {
return fh.convertPXLToCalc(rgce);
}
/**
* Excel dates are the number of days since 1/1/1900. This method converts
* to this date.
*
* @param s String representing a date in the form YYYY-MM-DD
* @return The excel serial date
*/
public long toExcelSerialDate(String s) throws IOException {
int year = Integer.parseInt(s.substring(0,4));
int month = Integer.parseInt(s.substring(5,7));
int day = Integer.parseInt(s.substring(8,10));
long serialDate = (1461 * (year + 4800 + (month - 14) / 12)) / 4 +
(367 * (month - 2 - 12 * ((month - 14) / 12))) / 12 -
(3 * ((year + 4900 + (month - 14) / 12)) / 100) / 4 +
day - 2415019 - 32075;
return serialDate;
}
/**
* Excel times are a fraction of a 24 hour day expressed in seconds. This method converts
* to this time.
*
* @param s String representing a time in the form ??HH?MM?SS?
* @return The excel serial time
*/
public double toExcelSerialTime(String s) throws IOException {
int hours = Integer.parseInt(s.substring(2,4));
int mins = Integer.parseInt(s.substring(5,7));
int secs = Integer.parseInt(s.substring(8,10));
int timeSecs = (hours*3600) + (mins*60) + (secs);
double d = (double) timeSecs / (24 * 3600);
return d;
}
}
|
