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Diffstat (limited to 'xmerge/java/org/openoffice/xmerge/converter/xml/sxc/pexcel/records/formula/TokenEncoder.java')
| -rw-r--r-- | xmerge/java/org/openoffice/xmerge/converter/xml/sxc/pexcel/records/formula/TokenEncoder.java | 561 |
1 files changed, 0 insertions, 561 deletions
diff --git a/xmerge/java/org/openoffice/xmerge/converter/xml/sxc/pexcel/records/formula/TokenEncoder.java b/xmerge/java/org/openoffice/xmerge/converter/xml/sxc/pexcel/records/formula/TokenEncoder.java deleted file mode 100644 index 23af0689d040..000000000000 --- a/xmerge/java/org/openoffice/xmerge/converter/xml/sxc/pexcel/records/formula/TokenEncoder.java +++ /dev/null @@ -1,561 +0,0 @@ -/************************************************************************ - * - * 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 - * <http://www.openoffice.org/license.html> - * for a copy of the LGPLv3 License. - * - ************************************************************************/ - - -package org.openoffice.xmerge.converter.xml.sxc.pexcel.records.formula; - -import java.io.*; -import java.util.Vector; -import java.util.Enumeration; - -import org.openoffice.xmerge.util.Debug; -import org.openoffice.xmerge.util.EndianConverter; -import org.openoffice.xmerge.converter.xml.sxc.pexcel.records.Workbook; -import org.openoffice.xmerge.converter.xml.sxc.pexcel.records.BoundSheet; -import org.openoffice.xmerge.converter.xml.sxc.pexcel.records.DefinedName; - -/** - * The TokenEncoder encodes a Token to an equivalent pexcel byte[]. The only - * public method apart from the default constructor is the getByte method. - * This method picks an encoder based onthe Token's type or id field and uses - * that encoder to return a byte[] which it returns. This Encoder supports - * Operands Floating point's, Cell references (absolute and relative), - * cell ranges - * Operators +,-,*,/,<,>.<=,>=,<> - * Functions All pexcel fixed and varaible argument functions - * - */ -public class TokenEncoder { - - private FunctionLookup fl; - private String parseString; - private int index; - private Workbook wb; - - /** - * Default Constructor - */ - public TokenEncoder() { - - parseString = new String(); - fl = new FunctionLookup(); - } - - /** - * Sets global workbook data needed for defined names - */ - public void setWorkbook(Workbook wb) { - - this.wb = wb; - } - - - /** - * Return the byte[] equivalent of a <code>Token</code>. The various - * encoders return <code>Vector</code> of <code>Byte</code> instead - * of byte[] because the number of bytes returned varies with each - * <code>Token</code> encoded. After the encoding is finished the Vector - * in converted to a byte[]. - * - * @param t The <code>Token</code> to be encoded - * @return An equivalent Pocket Excel byte[] - */ - public byte[] getByte(Token t) throws IOException { - - Vector tmpByteArray = null; // we use this cause we don't know till after - // the encoding takes place how big the byte [] will be - //index=0; // This class is declared static in - // FormulaHelper so better make sure our index is 0 - if(t.getTokenType()==ParseToken.TOKEN_OPERATOR) { - tmpByteArray = operatorEncoder(t); - } else if (t.getTokenType()==ParseToken.TOKEN_FUNCTION_VARIABLE || t.getTokenType()==ParseToken.TOKEN_FUNCTION_FIXED){ - tmpByteArray = functionEncoder(t); - } else { // Operands and functions - switch(t.getTokenID()) { - case TokenConstants.TNAME : - tmpByteArray = nameDefinitionEncoder(t); - break; - case TokenConstants.TREF3D : - tmpByteArray = threeDCellRefEncoder(t); - break; - case TokenConstants.TAREA3D: - tmpByteArray = threeDAreaRefEncoder(t); - break; - case TokenConstants.TREF : - tmpByteArray = cellRefEncoder(t); - break; - case TokenConstants.TAREA : - tmpByteArray = areaRefEncoder(t); - break; - case TokenConstants.TNUM : - tmpByteArray = numEncoder(t); - break; - case TokenConstants.TSTRING : - tmpByteArray = stringEncoder(t); - break; - default : - Debug.log(Debug.ERROR, "Encoder found unrecognized Token"); - } - } - - byte cellRefArray[] = new byte[tmpByteArray.size()]; - int i = 0; - String s = new String(); - for(Enumeration e = tmpByteArray.elements();e.hasMoreElements();) { - Byte tmpByte = (Byte) e.nextElement(); - s = s + tmpByte + " "; - cellRefArray[i] = tmpByte.byteValue(); - i++; - } - Debug.log(Debug.TRACE, "Encoding Token " + t.getValue() + " as [" + s + "]"); - return cellRefArray; - } - - /** - * An Operator Encoder. - * - * @param t <code>Token</code> to be encoded - * @return A <code>Vector</code> of pexcel <code>Byte</code> - */ - private Vector operatorEncoder(Token t) { - - Vector tmpByteArray = new Vector(); - tmpByteArray.add(new Byte((byte)t.getTokenID())); - return tmpByteArray; - } - - - /** - * A String Encoder. - * - * @param t <code>Token</code> to be encoded - * @return A <code>Vector</code> of pexcel <code>Byte</code> - */ - private Vector stringEncoder(Token t) throws IOException{ - - Vector tmpByteArray = new Vector(); - tmpByteArray.add(new Byte((byte)t.getTokenID())); - tmpByteArray.add(new Byte((byte)(t.getValue().length()))); - tmpByteArray.add(new Byte((byte)0x01)); - byte [] stringBytes = t.getValue().getBytes("UTF-16LE"); - for (int i=0; i<stringBytes.length; i++) { - tmpByteArray.add(new Byte(stringBytes[i])); - } - return tmpByteArray; - } - - - /** - * An Integer Encoder. - * - * @param t <code>Token</code> to be encoded - * @return A <code>Vector</code> of pexcel <code>Byte</code> - */ - private Vector numEncoder(Token t) { - - Vector tmpByteArray = new Vector(); - - double cellLong = (double) Double.parseDouble(t.getValue()); - tmpByteArray.add(new Byte((byte)t.getTokenID())); - byte[] tempByte = EndianConverter.writeDouble(cellLong); - for(int byteIter=0;byteIter<tempByte.length;byteIter++) { - tmpByteArray.add(new Byte(tempByte[byteIter])); - } - return tmpByteArray; - } - - /** - * Converts a char to an int. It is zero based - * so a=0, b=1 etc. - * - * @param ch the character to be converted - * @return -1 if not a character otherwise a 0 based index - */ - private int char2int(char ch) { - if(!Character.isLetter(ch)) - return -1; - - ch = Character.toUpperCase(ch); - return ch-'A'; - } - - /** - * Identify letters - * - * @param c The character which is to be identified - * @return A boolean returning the result of the comparison - */ - private boolean isAlpha(char c) { - return(Character.isLetter(c)); - } - - /** - * Identify numbers - * - * @param c The character which is to be identified - * @return A boolean returning the result of the comparison - */ - private boolean isDigit(char c) { - return(Character.isDigit(c)); - } - - /** - * Identify letters or numbers - * - * @param c The character which is to be identified - * @return A boolean returning the result of the comparison - */ - private boolean isAlphaNum(char c) { - return(isAlpha(c) || isDigit(c)); - } - - /** - * Parses a column reference and returns it's integer equivalent. (eg. - * A=0, D=3, BA=27) - * - * @return an 0 based index to a column - */ - private int column() { - char ch = parseString.charAt(index); - String columnStr = new String(); - int col = 0; - - while(isAlpha(ch)) { - columnStr += ch; - index++; - ch = parseString.charAt(index); - } - - if(columnStr.length()==1) { - col = char2int(columnStr.charAt(0)); - } else if (columnStr.length()==2) { - col = char2int(columnStr.charAt(0)) + 1; - col = (col*26) + char2int(columnStr.charAt(1)); - } else { - Debug.log(Debug.ERROR, "Invalid Column Reference " + columnStr ); - } - - - return col; - } - - /** - * Parses a column reference and returns it's integer equivalent. (eg. - * A=0, D=3, BA=27) - * - * @return an 0 based index to a column - */ - private int row() { - char ch = parseString.charAt(index); - String rowStr = new String(); - int row = 0; - boolean status = true; - - do { - rowStr += ch; - index++; - if(index>=parseString.length()) { - status = false; - } else { - ch = parseString.charAt(index); - } - } while(isDigit(ch) && status); - return Integer.parseInt(rowStr)-1; // Pexcel uses a 0 based index - } - - /** - * A Cell Reference Encoder (It supports absolute and relative addressing) - * - * @param t <code>Token</code> to be encoded - * @return A <code>Vector</code> of pexcel <code>Byte</code> - */ - private byte[] encodeCellCoordinates(String cellCoordinates) { - int col = 0, row = 0; - int addressing = 0xC000; - - index = 0; - parseString = cellCoordinates; - Debug.log(Debug.TRACE,"Encoding cell coordinates " + cellCoordinates); - if(cellCoordinates.charAt(index)=='$') { - addressing &= 0x8000; - index++; - } - col = column(); - if(cellCoordinates.charAt(index)=='$') { - addressing &= 0x4000; - index++; - } - row = row(); // Pexcel uses a 0 based index - row |= addressing; - byte tokenBytes[] = new byte[3]; - tokenBytes[0] = (byte)row; - tokenBytes[1] = (byte)(row>>8); - tokenBytes[2] = (byte)col; - return tokenBytes; - } - - /** - * A name definition Encoder - * - * @param t <code>Token</code> to be encoded - * @return A <code>Vector</code> of pexcel <code>Byte</code> - */ - private Vector nameDefinitionEncoder(Token t) { - - Vector tmpByteArray = new Vector(); - - String nameString = t.getValue(); - Debug.log(Debug.TRACE,"NameDefinitionEncoder : " + nameString); - tmpByteArray.add(new Byte((byte)t.getTokenID())); - Enumeration e = wb.getDefinedNames(); - DefinedName dn; - String name; - int definedNameIndex = 0; - do { - dn = (DefinedName)e.nextElement(); - name = dn.getName(); - Debug.log(Debug.TRACE,"Name pulled from DefinedName : " + name); - definedNameIndex++; - } while(!nameString.equalsIgnoreCase(name) && e.hasMoreElements()); - - tmpByteArray.add(new Byte((byte)definedNameIndex)); - tmpByteArray.add(new Byte((byte)0x00)); - - for(int i = 0;i < 12;i++) { - tmpByteArray.add(new Byte((byte)0x00)); - } - - return tmpByteArray; - } - /** - * A Cell Reference Encoder. It supports absolute and relative addressing - * but not sheetnames. - * - * @param t <code>Token</code> to be encoded - * @return A <code>Vector</code> of pexcel <code>Byte</code> - */ - private Vector cellRefEncoder(Token t) { - - Vector tmpByteArray = new Vector(); - - tmpByteArray.add(new Byte((byte)t.getTokenID())); - byte cellRefBytes[] = encodeCellCoordinates(t.getValue()); - for(int i = 0;i < cellRefBytes.length;i++) { - tmpByteArray.add(new Byte(cellRefBytes[i])); - } - return tmpByteArray; - } - - /** - * This function will find the sheetname index for a given String - * - * @param t <code>Token</code> to be encoded - * @return A <code>Vector</code> of pexcel <code>Byte</code> - */ - private short findSheetIndex(String s) { - - short sheetIndex = 0; - String savedName; - String sheetName; - if (s.startsWith("$")) { - sheetName = s.substring(1,s.length()); // Remove $ - } else { - sheetName = s.substring(0,s.length()); - } - Debug.log(Debug.TRACE,"Searching for Worksheet : " + sheetName); - Vector names = wb.getWorksheetNames(); - Enumeration e = names.elements(); - do { - savedName = (String) e.nextElement(); - sheetIndex++; - } while(!savedName.equalsIgnoreCase(sheetName) && e.hasMoreElements()); - - Debug.log(Debug.TRACE,"Setting sheetindex to " + sheetIndex); - return (short)(sheetIndex-1); - } - - /** - * A 3D Cell reference encoder - * - * @param t <code>Token</code> to be encoded - * @return A <code>Vector</code> of pexcel <code>Byte</code> - */ - private Vector threeDCellRefEncoder(Token t) { - - Vector tmpByteArray = new Vector(); - parseString = t.getValue(); - Debug.log(Debug.TRACE,"Encoding 3D Cell reference " + t); - tmpByteArray.add(new Byte((byte)t.getTokenID())); - tmpByteArray.add(new Byte((byte)0xFF)); - tmpByteArray.add(new Byte((byte)0xFF)); - for(int i = 0;i < 8;i++) { - tmpByteArray.add(new Byte((byte)0x00)); - } - - String sheetRef = parseString.substring(0, parseString.indexOf('.') + 1); - if (sheetRef.indexOf(':')!=-1) { - sheetRef = parseString.substring(0, parseString.indexOf(':')); - short sheetNum1 = findSheetIndex(sheetRef); - sheetRef = parseString.substring(parseString.indexOf(':') + 1, parseString.length()); - short sheetNum2 = findSheetIndex(sheetRef); - tmpByteArray.add(new Byte((byte)sheetNum1)); - tmpByteArray.add(new Byte((byte)0x00)); - tmpByteArray.add(new Byte((byte)sheetNum2)); - tmpByteArray.add(new Byte((byte)0x00)); - } else { - sheetRef = parseString.substring(0, parseString.indexOf('.')); - short sheetNum = findSheetIndex(sheetRef); - tmpByteArray.add(new Byte((byte)sheetNum)); - tmpByteArray.add(new Byte((byte)0x00)); - tmpByteArray.add(new Byte((byte)sheetNum)); - tmpByteArray.add(new Byte((byte)0x00)); - } - String s = parseString.substring(parseString.indexOf('.') + 1, parseString.length()); - Debug.log(Debug.TRACE,"Parsing : " + s); - byte cellRefBytes[] = encodeCellCoordinates(s); - for(int i = 0;i < cellRefBytes.length;i++) { - tmpByteArray.add(new Byte(cellRefBytes[i])); - } - return tmpByteArray; - } - /** - * A 3D Area Reference Encoder. - * - * @param t <code>Token</code> to be encoded - * @return A <code>Vector</code> of pexcel <code>Byte</code> - */ - private Vector threeDAreaRefEncoder(Token t) { - - Vector tmpByteArray = new Vector(); - parseString = t.getValue(); - Debug.log(Debug.TRACE,"Encoding 3D Area reference " + t); - tmpByteArray.add(new Byte((byte)t.getTokenID())); - tmpByteArray.add(new Byte((byte)0xFF)); - tmpByteArray.add(new Byte((byte)0xFF)); - for(int i = 0;i < 8;i++) { - tmpByteArray.add(new Byte((byte)0x00)); - } - - String param1= parseString.substring(0, parseString.indexOf(':')); - String cellRef1 = param1.substring(parseString.indexOf('.') + 1, param1.length()); - String sheetRef1 = param1.substring(0, param1.indexOf('.')); - short sheetNum1 = findSheetIndex(sheetRef1); - - String param2 = parseString.substring(parseString.indexOf(':') + 1, parseString.length()); - Debug.log(Debug.TRACE,"param2: " + param2); - String cellRef2 = param2.substring(param2.indexOf('.') + 1, param2.length()); - Debug.log(Debug.TRACE,"cellRef2: " + cellRef2); - - if(param2.indexOf('.')==-1) { - tmpByteArray.add(new Byte((byte)sheetNum1)); - tmpByteArray.add(new Byte((byte)0x00)); - tmpByteArray.add(new Byte((byte)sheetNum1)); - tmpByteArray.add(new Byte((byte)0x00)); - } else { - String sheetRef2 = param2.substring(0, param2.indexOf('.')); - short sheetNum2 = findSheetIndex(sheetRef2); - tmpByteArray.add(new Byte((byte)sheetNum1)); - tmpByteArray.add(new Byte((byte)0x00)); - tmpByteArray.add(new Byte((byte)sheetNum2)); - tmpByteArray.add(new Byte((byte)0x00)); - } - - byte cellRefBytes1[] = encodeCellCoordinates(cellRef1); - byte cellRefBytes2[] = encodeCellCoordinates(cellRef2); - - tmpByteArray.add(new Byte(cellRefBytes1[0])); - tmpByteArray.add(new Byte(cellRefBytes1[1])); - - tmpByteArray.add(new Byte(cellRefBytes2[0])); - tmpByteArray.add(new Byte(cellRefBytes2[1])); - - tmpByteArray.add(new Byte(cellRefBytes1[2])); - tmpByteArray.add(new Byte(cellRefBytes2[2])); - - return tmpByteArray; - } - - /** - * A Cell Range Encoder. - * - * @param t <code>Token</code> to be encoded - * @return A <code>Vector</code> of pexcel <code>Byte</code> - */ - private Vector areaRefEncoder(Token t) { - - Vector tmpByteArray = new Vector(); - - tmpByteArray.add(new Byte((byte)t.getTokenID())); - String param = t.getValue(); - String cellRef1 = new String(); - String cellRef2 = new String(); - - if(param.indexOf(':')==-1) { - Debug.log(Debug.ERROR, "Invalid Cell Range, could not find :"); - } else { - cellRef1 = param.substring(0, param.indexOf(':')); - cellRef2 = param.substring(param.indexOf(':') + 1, param.length()); - } - byte cellRefBytes1[] = encodeCellCoordinates(cellRef1); - byte cellRefBytes2[] = encodeCellCoordinates(cellRef2); - - tmpByteArray.add(new Byte(cellRefBytes1[0])); - tmpByteArray.add(new Byte(cellRefBytes1[1])); - - tmpByteArray.add(new Byte(cellRefBytes2[0])); - tmpByteArray.add(new Byte(cellRefBytes2[1])); - - tmpByteArray.add(new Byte(cellRefBytes1[2])); - tmpByteArray.add(new Byte(cellRefBytes2[2])); - - return tmpByteArray; - } - - /** - * A Function Encoder. - * - * @param t <code>Token</code> to be encoded - * @return A <code>Vector</code> of pexcel <code>Byte</code> - */ - private Vector functionEncoder(Token t) { - Vector tmpByteArray = new Vector(); - - int id = t.getTokenID(); - if(t.getTokenType()==ParseToken.TOKEN_FUNCTION_VARIABLE) { - tmpByteArray.add(new Byte((byte)TokenConstants.TFUNCVAR)); - tmpByteArray.add(new Byte((byte)t.getNumArgs())); - } else { - tmpByteArray.add(new Byte((byte)TokenConstants.TFUNC)); - } - - tmpByteArray.add(new Byte((byte)id)); - tmpByteArray.add(new Byte((byte)(id>>8))); - return tmpByteArray; - } - - -} |