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Posted to commits@poi.apache.org by fa...@apache.org on 2021/05/22 20:56:49 UTC

svn commit: r1890120 [23/43] - in /poi/trunk/poi/src: main/java/org/apache/poi/ main/java/org/apache/poi/ddf/ main/java/org/apache/poi/extractor/ main/java/org/apache/poi/hpsf/ main/java/org/apache/poi/hssf/ main/java/org/apache/poi/hssf/dev/ main/java...

Modified: poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/ArrayPtg.java
URL: http://svn.apache.org/viewvc/poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/ArrayPtg.java?rev=1890120&r1=1890119&r2=1890120&view=diff
==============================================================================
--- poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/ArrayPtg.java (original)
+++ poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/ArrayPtg.java Sat May 22 20:56:44 2021
@@ -36,198 +36,198 @@ import org.apache.poi.util.LittleEndianO
  * ArrayPtg elements and need to parse the data upto the FORMULA record size.
  */
 public final class ArrayPtg extends Ptg {
-	public static final byte sid = 0x20;
+    public static final byte sid = 0x20;
 
-	private static final int RESERVED_FIELD_LEN = 7;
-	/**
-	 * The size of the plain tArray token written within the standard formula tokens
-	 * (not including the data which comes after all formula tokens)
-	 */
-	public static final int PLAIN_TOKEN_SIZE = 1 + RESERVED_FIELD_LEN;
-
-	// 7 bytes of data (stored as an int, short and byte here)
-	private final int _reserved0Int;
-	private final int _reserved1Short;
-	private final int _reserved2Byte;
-
-	// data from these fields comes after the Ptg data of all tokens in current formula
-	private final int _nColumns;
-	private final int _nRows;
-	private final Object[] _arrayValues;
-
-	ArrayPtg(int reserved0, int reserved1, int reserved2, int nColumns, int nRows, Object[] arrayValues) {
-		_reserved0Int = reserved0;
-		_reserved1Short = reserved1;
-		_reserved2Byte = reserved2;
-		_nColumns = nColumns;
-		_nRows = nRows;
-		_arrayValues = arrayValues.clone();
-	}
-
-	public ArrayPtg(ArrayPtg other) {
-		_reserved0Int = other._reserved0Int;
-		_reserved1Short = other._reserved1Short;
-		_reserved2Byte = other._reserved2Byte;
-		_nColumns = other._nColumns;
-		_nRows = other._nRows;
-		_arrayValues = (other._arrayValues == null) ? null : other._arrayValues.clone();
-	}
-
-	/**
-	 * @param values2d array values arranged in rows
-	 */
-	public ArrayPtg(Object[][] values2d) {
-		int nColumns = values2d[0].length;
-		int nRows = values2d.length;
-		// convert 2-d to 1-d array (row by row according to getValueIndex())
-		_nColumns = (short) nColumns;
-		_nRows = (short) nRows;
-
-		Object[] vv = new Object[_nColumns * _nRows];
-		for (int r=0; r<nRows; r++) {
-			Object[] rowData = values2d[r];
-			for (int c=0; c<nColumns; c++) {
-				vv[getValueIndex(c, r)] = rowData[c];
-			}
-		}
-
-		_arrayValues = vv;
-		_reserved0Int = 0;
-		_reserved1Short = 0;
-		_reserved2Byte = 0;
-	}
-	/**
-	 * @return 2-d array (inner index is rowIx, outer index is colIx)
-	 */
-	public Object[][] getTokenArrayValues() {
-		if (_arrayValues == null) {
-			throw new IllegalStateException("array values not read yet");
-		}
-		Object[][] result = new Object[_nRows][_nColumns];
-		for (int r = 0; r < _nRows; r++) {
-			Object[] rowData = result[r];
-			for (int c = 0; c < _nColumns; c++) {
-				rowData[c] = _arrayValues[getValueIndex(c, r)];
-			}
-		}
-		return result;
-	}
-
-	@Override
-	public boolean isBaseToken() {
-		return false;
-	}
-
-	/**
-	 * Note - (2D) array elements are stored row by row
-	 * @return the index into the internal 1D array for the specified column and row
-	 */
-	/* package */ int getValueIndex(int colIx, int rowIx) {
-		if(colIx < 0 || colIx >= _nColumns) {
-			throw new IllegalArgumentException("Specified colIx (" + colIx
-					+ ") is outside the allowed range (0.." + (_nColumns-1) + ")");
-		}
-		if(rowIx < 0 || rowIx >= _nRows) {
-			throw new IllegalArgumentException("Specified rowIx (" + rowIx
-					+ ") is outside the allowed range (0.." + (_nRows-1) + ")");
-		}
-		return rowIx * _nColumns + colIx;
-	}
-
-	public void write(LittleEndianOutput out) {
-		out.writeByte(sid + getPtgClass());
-		out.writeInt(_reserved0Int);
-		out.writeShort(_reserved1Short);
-		out.writeByte(_reserved2Byte);
-	}
-
-	public int writeTokenValueBytes(LittleEndianOutput out) {
-
-		out.writeByte(_nColumns-1);
-		out.writeShort(_nRows-1);
-		ConstantValueParser.encode(out, _arrayValues);
-		return 3 + ConstantValueParser.getEncodedSize(_arrayValues);
-	}
-
-	public int getRowCount() {
-		return _nRows;
-	}
-
-	public int getColumnCount() {
-		return _nColumns;
-	}
-
-	/** This size includes the size of the array Ptg plus the Array Ptg Token value size*/
-	public int getSize() {
-		return PLAIN_TOKEN_SIZE
-			// data written after the all tokens:
-			+ 1 + 2 // column, row
-			+ ConstantValueParser.getEncodedSize(_arrayValues);
-	}
-
-	@Override
-	public byte getSid() {
-		return sid;
-	}
-
-	public String toFormulaString() {
-		StringBuilder b = new StringBuilder();
-		b.append("{");
-		for (int y = 0; y < _nRows; y++) {
-			if (y > 0) {
-				b.append(";");
-			}
-			for (int x = 0; x < _nColumns; x++) {
-				if (x > 0) {
-					b.append(",");
-				}
-				Object o = _arrayValues[getValueIndex(x, y)];
-				b.append(getConstantText(o));
-			}
-		}
-		b.append("}");
-		return b.toString();
-	}
-
-	private static String getConstantText(Object o) {
-
-		if (o == null) {
-			throw new RuntimeException("Array item cannot be null");
-		}
-		if (o instanceof String) {
-			return "\"" + o + "\"";
-		}
-		if (o instanceof Double) {
-			return NumberToTextConverter.toText((Double) o);
-		}
-		if (o instanceof Boolean) {
-			return (Boolean) o ? "TRUE" : "FALSE";
-		}
-		if (o instanceof ErrorConstant) {
-			return ((ErrorConstant)o).getText();
-		}
-		throw new IllegalArgumentException("Unexpected constant class (" + o.getClass().getName() + ")");
-	}
+    private static final int RESERVED_FIELD_LEN = 7;
+    /**
+     * The size of the plain tArray token written within the standard formula tokens
+     * (not including the data which comes after all formula tokens)
+     */
+    public static final int PLAIN_TOKEN_SIZE = 1 + RESERVED_FIELD_LEN;
+
+    // 7 bytes of data (stored as an int, short and byte here)
+    private final int _reserved0Int;
+    private final int _reserved1Short;
+    private final int _reserved2Byte;
+
+    // data from these fields comes after the Ptg data of all tokens in current formula
+    private final int _nColumns;
+    private final int _nRows;
+    private final Object[] _arrayValues;
+
+    ArrayPtg(int reserved0, int reserved1, int reserved2, int nColumns, int nRows, Object[] arrayValues) {
+        _reserved0Int = reserved0;
+        _reserved1Short = reserved1;
+        _reserved2Byte = reserved2;
+        _nColumns = nColumns;
+        _nRows = nRows;
+        _arrayValues = arrayValues.clone();
+    }
+
+    public ArrayPtg(ArrayPtg other) {
+        _reserved0Int = other._reserved0Int;
+        _reserved1Short = other._reserved1Short;
+        _reserved2Byte = other._reserved2Byte;
+        _nColumns = other._nColumns;
+        _nRows = other._nRows;
+        _arrayValues = (other._arrayValues == null) ? null : other._arrayValues.clone();
+    }
+
+    /**
+     * @param values2d array values arranged in rows
+     */
+    public ArrayPtg(Object[][] values2d) {
+        int nColumns = values2d[0].length;
+        int nRows = values2d.length;
+        // convert 2-d to 1-d array (row by row according to getValueIndex())
+        _nColumns = (short) nColumns;
+        _nRows = (short) nRows;
+
+        Object[] vv = new Object[_nColumns * _nRows];
+        for (int r=0; r<nRows; r++) {
+            Object[] rowData = values2d[r];
+            for (int c=0; c<nColumns; c++) {
+                vv[getValueIndex(c, r)] = rowData[c];
+            }
+        }
+
+        _arrayValues = vv;
+        _reserved0Int = 0;
+        _reserved1Short = 0;
+        _reserved2Byte = 0;
+    }
+    /**
+     * @return 2-d array (inner index is rowIx, outer index is colIx)
+     */
+    public Object[][] getTokenArrayValues() {
+        if (_arrayValues == null) {
+            throw new IllegalStateException("array values not read yet");
+        }
+        Object[][] result = new Object[_nRows][_nColumns];
+        for (int r = 0; r < _nRows; r++) {
+            Object[] rowData = result[r];
+            for (int c = 0; c < _nColumns; c++) {
+                rowData[c] = _arrayValues[getValueIndex(c, r)];
+            }
+        }
+        return result;
+    }
+
+    @Override
+    public boolean isBaseToken() {
+        return false;
+    }
+
+    /**
+     * Note - (2D) array elements are stored row by row
+     * @return the index into the internal 1D array for the specified column and row
+     */
+    /* package */ int getValueIndex(int colIx, int rowIx) {
+        if(colIx < 0 || colIx >= _nColumns) {
+            throw new IllegalArgumentException("Specified colIx (" + colIx
+                    + ") is outside the allowed range (0.." + (_nColumns-1) + ")");
+        }
+        if(rowIx < 0 || rowIx >= _nRows) {
+            throw new IllegalArgumentException("Specified rowIx (" + rowIx
+                    + ") is outside the allowed range (0.." + (_nRows-1) + ")");
+        }
+        return rowIx * _nColumns + colIx;
+    }
+
+    public void write(LittleEndianOutput out) {
+        out.writeByte(sid + getPtgClass());
+        out.writeInt(_reserved0Int);
+        out.writeShort(_reserved1Short);
+        out.writeByte(_reserved2Byte);
+    }
+
+    public int writeTokenValueBytes(LittleEndianOutput out) {
+
+        out.writeByte(_nColumns-1);
+        out.writeShort(_nRows-1);
+        ConstantValueParser.encode(out, _arrayValues);
+        return 3 + ConstantValueParser.getEncodedSize(_arrayValues);
+    }
+
+    public int getRowCount() {
+        return _nRows;
+    }
+
+    public int getColumnCount() {
+        return _nColumns;
+    }
+
+    /** This size includes the size of the array Ptg plus the Array Ptg Token value size*/
+    public int getSize() {
+        return PLAIN_TOKEN_SIZE
+            // data written after the all tokens:
+            + 1 + 2 // column, row
+            + ConstantValueParser.getEncodedSize(_arrayValues);
+    }
+
+    @Override
+    public byte getSid() {
+        return sid;
+    }
+
+    public String toFormulaString() {
+        StringBuilder b = new StringBuilder();
+        b.append("{");
+        for (int y = 0; y < _nRows; y++) {
+            if (y > 0) {
+                b.append(";");
+            }
+            for (int x = 0; x < _nColumns; x++) {
+                if (x > 0) {
+                    b.append(",");
+                }
+                Object o = _arrayValues[getValueIndex(x, y)];
+                b.append(getConstantText(o));
+            }
+        }
+        b.append("}");
+        return b.toString();
+    }
+
+    private static String getConstantText(Object o) {
+
+        if (o == null) {
+            throw new RuntimeException("Array item cannot be null");
+        }
+        if (o instanceof String) {
+            return "\"" + o + "\"";
+        }
+        if (o instanceof Double) {
+            return NumberToTextConverter.toText((Double) o);
+        }
+        if (o instanceof Boolean) {
+            return (Boolean) o ? "TRUE" : "FALSE";
+        }
+        if (o instanceof ErrorConstant) {
+            return ((ErrorConstant)o).getText();
+        }
+        throw new IllegalArgumentException("Unexpected constant class (" + o.getClass().getName() + ")");
+    }
 
-	@Override
+    @Override
     public byte getDefaultOperandClass() {
-		return Ptg.CLASS_ARRAY;
-	}
+        return Ptg.CLASS_ARRAY;
+    }
 
-	@Override
-	public ArrayPtg copy() {
-		return new ArrayPtg(this);
-	}
-
-	@Override
-	public Map<String, Supplier<?>> getGenericProperties() {
-		return GenericRecordUtil.getGenericProperties(
-			"reserved0", () -> _reserved0Int,
-			"reserved1", () -> _reserved1Short,
-			"reserved2", () -> _reserved2Byte,
-			"columnCount", this::getColumnCount,
-			"rowCount", this::getRowCount,
-			"arrayValues", () -> _arrayValues == null ? "#values#uninitialised#" : toFormulaString()
-		);
-	}
+    @Override
+    public ArrayPtg copy() {
+        return new ArrayPtg(this);
+    }
+
+    @Override
+    public Map<String, Supplier<?>> getGenericProperties() {
+        return GenericRecordUtil.getGenericProperties(
+            "reserved0", () -> _reserved0Int,
+            "reserved1", () -> _reserved1Short,
+            "reserved2", () -> _reserved2Byte,
+            "columnCount", this::getColumnCount,
+            "rowCount", this::getRowCount,
+            "arrayValues", () -> _arrayValues == null ? "#values#uninitialised#" : toFormulaString()
+        );
+    }
 }

Modified: poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/BoolPtg.java
URL: http://svn.apache.org/viewvc/poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/BoolPtg.java?rev=1890120&r1=1890119&r2=1890120&view=diff
==============================================================================
--- poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/BoolPtg.java (original)
+++ poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/BoolPtg.java Sat May 22 20:56:44 2021
@@ -28,54 +28,54 @@ import org.apache.poi.util.LittleEndianO
  * Boolean (boolean) Stores a (java) boolean value in a formula.
  */
 public final class BoolPtg extends ScalarConstantPtg {
-	public static final int SIZE = 2;
-	public static final byte sid = 0x1D;
+    public static final int SIZE = 2;
+    public static final byte sid = 0x1D;
 
-	private static final BoolPtg FALSE = new BoolPtg(false);
-	private static final BoolPtg TRUE = new BoolPtg(true);
+    private static final BoolPtg FALSE = new BoolPtg(false);
+    private static final BoolPtg TRUE = new BoolPtg(true);
 
-	private final boolean _value;
+    private final boolean _value;
 
-	private BoolPtg(boolean b) {
-		_value = b;
-	}
-
-	public static BoolPtg valueOf(boolean b) {
-		return b ? TRUE : FALSE;
-	}
-	public static BoolPtg read(LittleEndianInput in)  {
-		return valueOf(in.readByte() == 1);
-	}
-
-	public boolean getValue() {
-		return _value;
-	}
-
-	public void write(LittleEndianOutput out) {
-		out.writeByte(sid + getPtgClass());
-		out.writeByte(_value ? 1 : 0);
-	}
-
-	@Override
-	public byte getSid() {
-		return sid;
-	}
-
-	public int getSize() {
-		return SIZE;
-	}
-
-	public String toFormulaString() {
-		return _value ? "TRUE" : "FALSE";
-	}
-
-	@Override
-	public BoolPtg copy() {
-		return this;
-	}
-
-	@Override
-	public Map<String, Supplier<?>> getGenericProperties() {
-		return GenericRecordUtil.getGenericProperties("value", this::getValue);
-	}
+    private BoolPtg(boolean b) {
+        _value = b;
+    }
+
+    public static BoolPtg valueOf(boolean b) {
+        return b ? TRUE : FALSE;
+    }
+    public static BoolPtg read(LittleEndianInput in)  {
+        return valueOf(in.readByte() == 1);
+    }
+
+    public boolean getValue() {
+        return _value;
+    }
+
+    public void write(LittleEndianOutput out) {
+        out.writeByte(sid + getPtgClass());
+        out.writeByte(_value ? 1 : 0);
+    }
+
+    @Override
+    public byte getSid() {
+        return sid;
+    }
+
+    public int getSize() {
+        return SIZE;
+    }
+
+    public String toFormulaString() {
+        return _value ? "TRUE" : "FALSE";
+    }
+
+    @Override
+    public BoolPtg copy() {
+        return this;
+    }
+
+    @Override
+    public Map<String, Supplier<?>> getGenericProperties() {
+        return GenericRecordUtil.getGenericProperties("value", this::getValue);
+    }
 }

Modified: poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/ConcatPtg.java
URL: http://svn.apache.org/viewvc/poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/ConcatPtg.java?rev=1890120&r1=1890119&r2=1890120&view=diff
==============================================================================
--- poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/ConcatPtg.java (original)
+++ poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/ConcatPtg.java Sat May 22 20:56:44 2021
@@ -25,7 +25,7 @@ public final class ConcatPtg extends Val
     public static final ConcatPtg instance = new ConcatPtg();
 
     private ConcatPtg() {
-    	// enforce singleton
+        // enforce singleton
     }
 
     @Override

Modified: poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/ControlPtg.java
URL: http://svn.apache.org/viewvc/poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/ControlPtg.java?rev=1890120&r1=1890119&r2=1890120&view=diff
==============================================================================
--- poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/ControlPtg.java (original)
+++ poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/ControlPtg.java Sat May 22 20:56:44 2021
@@ -19,14 +19,14 @@ package org.apache.poi.ss.formula.ptg;
 
 public abstract class ControlPtg extends Ptg {
 
-	protected ControlPtg() {}
+    protected ControlPtg() {}
 
-	@Override
-	public boolean isBaseToken() {
-		return true;
-	}
-	@Override
+    @Override
+    public boolean isBaseToken() {
+        return true;
+    }
+    @Override
     public final byte getDefaultOperandClass() {
-		throw new IllegalStateException("Control tokens are not classified");
-	}
+        throw new IllegalStateException("Control tokens are not classified");
+    }
 }

Modified: poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/DeletedArea3DPtg.java
URL: http://svn.apache.org/viewvc/poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/DeletedArea3DPtg.java?rev=1890120&r1=1890119&r2=1890120&view=diff
==============================================================================
--- poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/DeletedArea3DPtg.java (original)
+++ poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/DeletedArea3DPtg.java Sat May 22 20:56:44 2021
@@ -34,65 +34,65 @@ import org.apache.poi.util.LittleEndianO
  * @version 1.0-pre
  */
 public final class DeletedArea3DPtg extends OperandPtg implements WorkbookDependentFormula {
-	public static final byte sid = 0x3d;
-	private final int field_1_index_extern_sheet;
-	private final int unused1;
-	private final int unused2;
-
-	public DeletedArea3DPtg(int externSheetIndex) {
-		field_1_index_extern_sheet = externSheetIndex;
-		unused1 = 0;
-		unused2 = 0;
-	}
-
-	public DeletedArea3DPtg(LittleEndianInput in)  {
-		field_1_index_extern_sheet = in.readUShort();
-		unused1 = in.readInt();
-		unused2 = in.readInt();
-	}
-	public String toFormulaString(FormulaRenderingWorkbook book) {
-		return ExternSheetNameResolver.prependSheetName(book, field_1_index_extern_sheet, FormulaError.REF.getString());
-	}
-	public String toFormulaString() {
-		throw new RuntimeException("3D references need a workbook to determine formula text");
-	}
-	@Override
+    public static final byte sid = 0x3d;
+    private final int field_1_index_extern_sheet;
+    private final int unused1;
+    private final int unused2;
+
+    public DeletedArea3DPtg(int externSheetIndex) {
+        field_1_index_extern_sheet = externSheetIndex;
+        unused1 = 0;
+        unused2 = 0;
+    }
+
+    public DeletedArea3DPtg(LittleEndianInput in)  {
+        field_1_index_extern_sheet = in.readUShort();
+        unused1 = in.readInt();
+        unused2 = in.readInt();
+    }
+    public String toFormulaString(FormulaRenderingWorkbook book) {
+        return ExternSheetNameResolver.prependSheetName(book, field_1_index_extern_sheet, FormulaError.REF.getString());
+    }
+    public String toFormulaString() {
+        throw new RuntimeException("3D references need a workbook to determine formula text");
+    }
+    @Override
     public byte getDefaultOperandClass() {
-		return Ptg.CLASS_REF;
-	}
+        return Ptg.CLASS_REF;
+    }
 
-	@Override
-	public byte getSid() {
-		return sid;
-	}
-
-	public int getSize() {
-		return 11;
-	}
-
-	public int getExternSheetIndex() {
-		return field_1_index_extern_sheet;
-	}
-
-	public void write(LittleEndianOutput out) {
-		out.writeByte(sid + getPtgClass());
-		out.writeShort(field_1_index_extern_sheet);
-		out.writeInt(unused1);
-		out.writeInt(unused2);
-	}
-
-	@Override
-	public DeletedArea3DPtg copy() {
-		// immutable
-		return this;
-	}
-
-	@Override
-	public Map<String, Supplier<?>> getGenericProperties() {
-		return GenericRecordUtil.getGenericProperties(
-			"externSheetIndex", this::getExternSheetIndex,
-			"unused1", () -> unused1,
-			"unused2", () -> unused2
-		);
-	}
+    @Override
+    public byte getSid() {
+        return sid;
+    }
+
+    public int getSize() {
+        return 11;
+    }
+
+    public int getExternSheetIndex() {
+        return field_1_index_extern_sheet;
+    }
+
+    public void write(LittleEndianOutput out) {
+        out.writeByte(sid + getPtgClass());
+        out.writeShort(field_1_index_extern_sheet);
+        out.writeInt(unused1);
+        out.writeInt(unused2);
+    }
+
+    @Override
+    public DeletedArea3DPtg copy() {
+        // immutable
+        return this;
+    }
+
+    @Override
+    public Map<String, Supplier<?>> getGenericProperties() {
+        return GenericRecordUtil.getGenericProperties(
+            "externSheetIndex", this::getExternSheetIndex,
+            "unused1", () -> unused1,
+            "unused2", () -> unused2
+        );
+    }
 }

Modified: poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/DeletedRef3DPtg.java
URL: http://svn.apache.org/viewvc/poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/DeletedRef3DPtg.java?rev=1890120&r1=1890119&r2=1890120&view=diff
==============================================================================
--- poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/DeletedRef3DPtg.java (original)
+++ poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/DeletedRef3DPtg.java Sat May 22 20:56:44 2021
@@ -35,57 +35,57 @@ import org.apache.poi.util.LittleEndianO
  * @since 1.0-pre
  */
 public final class DeletedRef3DPtg extends OperandPtg implements WorkbookDependentFormula {
-	public static final byte sid  = 0x3c;
-	private final int field_1_index_extern_sheet;
-	private final int unused1;
-
-	/** Creates new DeletedRef3DPtg */
-	public DeletedRef3DPtg(LittleEndianInput in)  {
-		field_1_index_extern_sheet = in.readUShort();
-		unused1 = in.readInt();
-	}
-
-	public DeletedRef3DPtg(int externSheetIndex) {
-		field_1_index_extern_sheet = externSheetIndex;
-		unused1 = 0;
-	}
-
-	public String toFormulaString(FormulaRenderingWorkbook book) {
-		return ExternSheetNameResolver.prependSheetName(book, field_1_index_extern_sheet, FormulaError.REF.getString());
-	}
-	public String toFormulaString() {
-		throw new RuntimeException("3D references need a workbook to determine formula text");
-	}
-	@Override
+    public static final byte sid  = 0x3c;
+    private final int field_1_index_extern_sheet;
+    private final int unused1;
+
+    /** Creates new DeletedRef3DPtg */
+    public DeletedRef3DPtg(LittleEndianInput in)  {
+        field_1_index_extern_sheet = in.readUShort();
+        unused1 = in.readInt();
+    }
+
+    public DeletedRef3DPtg(int externSheetIndex) {
+        field_1_index_extern_sheet = externSheetIndex;
+        unused1 = 0;
+    }
+
+    public String toFormulaString(FormulaRenderingWorkbook book) {
+        return ExternSheetNameResolver.prependSheetName(book, field_1_index_extern_sheet, FormulaError.REF.getString());
+    }
+    public String toFormulaString() {
+        throw new RuntimeException("3D references need a workbook to determine formula text");
+    }
+    @Override
     public byte getDefaultOperandClass() {
-		return Ptg.CLASS_REF;
-	}
+        return Ptg.CLASS_REF;
+    }
 
-	@Override
-	public byte getSid() {
-		return sid;
-	}
-
-	public int getSize() {
-		return 7;
-	}
-	public void write(LittleEndianOutput out) {
-		out.writeByte(sid + getPtgClass());
-		out.writeShort(field_1_index_extern_sheet);
-		out.writeInt(unused1);
-	}
-
-	@Override
-	public DeletedRef3DPtg copy() {
-		// immutable
-		return this;
-	}
-
-	@Override
-	public Map<String, Supplier<?>> getGenericProperties() {
-		return GenericRecordUtil.getGenericProperties(
-			"externSheetIndex", () -> field_1_index_extern_sheet,
-			"unused1", () -> unused1
-		);
-	}
+    @Override
+    public byte getSid() {
+        return sid;
+    }
+
+    public int getSize() {
+        return 7;
+    }
+    public void write(LittleEndianOutput out) {
+        out.writeByte(sid + getPtgClass());
+        out.writeShort(field_1_index_extern_sheet);
+        out.writeInt(unused1);
+    }
+
+    @Override
+    public DeletedRef3DPtg copy() {
+        // immutable
+        return this;
+    }
+
+    @Override
+    public Map<String, Supplier<?>> getGenericProperties() {
+        return GenericRecordUtil.getGenericProperties(
+            "externSheetIndex", () -> field_1_index_extern_sheet,
+            "unused1", () -> unused1
+        );
+    }
 }

Modified: poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/DividePtg.java
URL: http://svn.apache.org/viewvc/poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/DividePtg.java?rev=1890120&r1=1890119&r2=1890120&view=diff
==============================================================================
--- poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/DividePtg.java (original)
+++ poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/DividePtg.java Sat May 22 20:56:44 2021
@@ -26,7 +26,7 @@ public final class DividePtg extends Val
     public static final DividePtg instance = new DividePtg();
 
     private DividePtg() {
-    	// enforce singleton
+        // enforce singleton
     }
 
     @Override

Modified: poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/EqualPtg.java
URL: http://svn.apache.org/viewvc/poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/EqualPtg.java?rev=1890120&r1=1890119&r2=1890120&view=diff
==============================================================================
--- poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/EqualPtg.java (original)
+++ poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/EqualPtg.java Sat May 22 20:56:44 2021
@@ -23,7 +23,7 @@ public final class EqualPtg extends Valu
     public static final EqualPtg instance = new EqualPtg();
 
     private EqualPtg() {
-    	// enforce singleton
+        // enforce singleton
     }
 
     @Override

Modified: poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/GreaterEqualPtg.java
URL: http://svn.apache.org/viewvc/poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/GreaterEqualPtg.java?rev=1890120&r1=1890119&r2=1890120&view=diff
==============================================================================
--- poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/GreaterEqualPtg.java (original)
+++ poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/GreaterEqualPtg.java Sat May 22 20:56:44 2021
@@ -28,7 +28,7 @@ public final class GreaterEqualPtg exten
     public static final GreaterEqualPtg instance = new GreaterEqualPtg();
 
     private GreaterEqualPtg() {
-    	// enforce singleton
+        // enforce singleton
     }
 
     @Override

Modified: poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/GreaterThanPtg.java
URL: http://svn.apache.org/viewvc/poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/GreaterThanPtg.java?rev=1890120&r1=1890119&r2=1890120&view=diff
==============================================================================
--- poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/GreaterThanPtg.java (original)
+++ poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/GreaterThanPtg.java Sat May 22 20:56:44 2021
@@ -28,7 +28,7 @@ public final class GreaterThanPtg extend
     public static final GreaterThanPtg instance = new GreaterThanPtg();
 
     private GreaterThanPtg() {
-    	// enforce singleton
+        // enforce singleton
     }
 
     @Override

Modified: poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/IntPtg.java
URL: http://svn.apache.org/viewvc/poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/IntPtg.java?rev=1890120&r1=1890119&r2=1890120&view=diff
==============================================================================
--- poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/IntPtg.java (original)
+++ poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/IntPtg.java Sat May 22 20:56:44 2021
@@ -28,67 +28,67 @@ import org.apache.poi.util.LittleEndianO
  * Integer (unsigned short integer) Stores an unsigned short value (java int) in a formula
  */
 public final class IntPtg extends ScalarConstantPtg {
-	// 16 bit unsigned integer
-	private static final int MIN_VALUE = 0x0000;
-	private static final int MAX_VALUE = 0xFFFF;
-
-	/**
-	 * Excel represents integers 0..65535 with the tInt token.
-	 *
-	 * @return {@code true} if the specified value is within the range of values
-	 * {@code IntPtg} can represent.
-	 */
-	public static boolean isInRange(int i) {
-		return i >= MIN_VALUE && i <= MAX_VALUE;
-	}
-
-	public static final int SIZE = 3;
-	public static final byte sid = 0x1e;
-	private final int field_1_value;
-
-	public IntPtg(LittleEndianInput in)  {
-		this(in.readUShort());
-	}
-
-	public IntPtg(int value) {
-		if (!isInRange(value)) {
-			throw new IllegalArgumentException("value is out of range: " + value);
-		}
-		field_1_value = value;
-	}
-
-	public int getValue() {
-		return field_1_value;
-	}
-
-	@Override
-	public void write(LittleEndianOutput out) {
-		out.writeByte(sid + getPtgClass());
-		out.writeShort(getValue());
-	}
-
-	@Override
-	public byte getSid() {
-		return sid;
-	}
-
-	@Override
-	public int getSize() {
-		return SIZE;
-	}
-
-	@Override
-	public String toFormulaString() {
-		return String.valueOf(getValue());
-	}
-
-	@Override
-	public IntPtg copy() {
-		return this;
-	}
-
-	@Override
-	public Map<String, Supplier<?>> getGenericProperties() {
-		return GenericRecordUtil.getGenericProperties("value", this::getValue);
-	}
+    // 16 bit unsigned integer
+    private static final int MIN_VALUE = 0x0000;
+    private static final int MAX_VALUE = 0xFFFF;
+
+    /**
+     * Excel represents integers 0..65535 with the tInt token.
+     *
+     * @return {@code true} if the specified value is within the range of values
+     * {@code IntPtg} can represent.
+     */
+    public static boolean isInRange(int i) {
+        return i >= MIN_VALUE && i <= MAX_VALUE;
+    }
+
+    public static final int SIZE = 3;
+    public static final byte sid = 0x1e;
+    private final int field_1_value;
+
+    public IntPtg(LittleEndianInput in)  {
+        this(in.readUShort());
+    }
+
+    public IntPtg(int value) {
+        if (!isInRange(value)) {
+            throw new IllegalArgumentException("value is out of range: " + value);
+        }
+        field_1_value = value;
+    }
+
+    public int getValue() {
+        return field_1_value;
+    }
+
+    @Override
+    public void write(LittleEndianOutput out) {
+        out.writeByte(sid + getPtgClass());
+        out.writeShort(getValue());
+    }
+
+    @Override
+    public byte getSid() {
+        return sid;
+    }
+
+    @Override
+    public int getSize() {
+        return SIZE;
+    }
+
+    @Override
+    public String toFormulaString() {
+        return String.valueOf(getValue());
+    }
+
+    @Override
+    public IntPtg copy() {
+        return this;
+    }
+
+    @Override
+    public Map<String, Supplier<?>> getGenericProperties() {
+        return GenericRecordUtil.getGenericProperties("value", this::getValue);
+    }
 }

Modified: poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/IntersectionPtg.java
URL: http://svn.apache.org/viewvc/poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/IntersectionPtg.java?rev=1890120&r1=1890119&r2=1890120&view=diff
==============================================================================
--- poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/IntersectionPtg.java (original)
+++ poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/IntersectionPtg.java Sat May 22 20:56:44 2021
@@ -20,46 +20,46 @@ package org.apache.poi.ss.formula.ptg;
 import org.apache.poi.util.LittleEndianOutput;
 
 public final class IntersectionPtg extends OperationPtg {
-	public static final byte sid = 0x0f;
+    public static final byte sid = 0x0f;
 
-	public static final IntersectionPtg instance = new IntersectionPtg();
+    public static final IntersectionPtg instance = new IntersectionPtg();
 
-	private IntersectionPtg() {
-		// enforce singleton
-	}
+    private IntersectionPtg() {
+        // enforce singleton
+    }
 
-	@Override
+    @Override
     public final boolean isBaseToken() {
-		return true;
-	}
+        return true;
+    }
 
-	@Override
-	public byte getSid() {
-		return sid;
-	}
-
-	public int getSize() {
-		return 1;
-	}
-
-	public void write(LittleEndianOutput out) {
-		out.writeByte(sid + getPtgClass());
-	}
-
-	public String toFormulaString() {
-		return " ";
-	}
-
-	public String toFormulaString(String[] operands) {
-		return operands[0] + " " + operands[1];
-	}
-
-	public int getNumberOfOperands() {
-		return 2;
-	}
-
-	@Override
-	public IntersectionPtg copy() {
-		return instance;
-	}
+    @Override
+    public byte getSid() {
+        return sid;
+    }
+
+    public int getSize() {
+        return 1;
+    }
+
+    public void write(LittleEndianOutput out) {
+        out.writeByte(sid + getPtgClass());
+    }
+
+    public String toFormulaString() {
+        return " ";
+    }
+
+    public String toFormulaString(String[] operands) {
+        return operands[0] + " " + operands[1];
+    }
+
+    public int getNumberOfOperands() {
+        return 2;
+    }
+
+    @Override
+    public IntersectionPtg copy() {
+        return instance;
+    }
 }

Modified: poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/LessEqualPtg.java
URL: http://svn.apache.org/viewvc/poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/LessEqualPtg.java?rev=1890120&r1=1890119&r2=1890120&view=diff
==============================================================================
--- poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/LessEqualPtg.java (original)
+++ poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/LessEqualPtg.java Sat May 22 20:56:44 2021
@@ -30,7 +30,7 @@ public final class LessEqualPtg extends
     public static final LessEqualPtg instance = new LessEqualPtg();
 
     private LessEqualPtg() {
-    	// enforce singleton
+        // enforce singleton
     }
 
     @Override

Modified: poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/LessThanPtg.java
URL: http://svn.apache.org/viewvc/poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/LessThanPtg.java?rev=1890120&r1=1890119&r2=1890120&view=diff
==============================================================================
--- poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/LessThanPtg.java (original)
+++ poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/LessThanPtg.java Sat May 22 20:56:44 2021
@@ -32,7 +32,7 @@ public final class LessThanPtg extends V
     public static final LessThanPtg instance = new LessThanPtg();
 
     private LessThanPtg() {
-    	// enforce singleton
+        // enforce singleton
     }
 
     @Override

Modified: poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/MemAreaPtg.java
URL: http://svn.apache.org/viewvc/poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/MemAreaPtg.java?rev=1890120&r1=1890119&r2=1890120&view=diff
==============================================================================
--- poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/MemAreaPtg.java (original)
+++ poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/MemAreaPtg.java Sat May 22 20:56:44 2021
@@ -25,59 +25,59 @@ import org.apache.poi.util.LittleEndianI
 import org.apache.poi.util.LittleEndianOutput;
 
 public final class MemAreaPtg extends OperandPtg {
-	public static final short sid = 0x26;
-	private static final int SIZE = 7;
-	private final int field_1_reserved;
-	private final int field_2_subex_len;
-
-	/** Creates new MemAreaPtg */
-
-	public MemAreaPtg(int subexLen) {
-		field_1_reserved = 0;
-		field_2_subex_len = subexLen;
-	}
-
-	public MemAreaPtg(LittleEndianInput in)  {
-		field_1_reserved = in.readInt();
-		field_2_subex_len = in.readShort();
-	}
-
-	public int getLenRefSubexpression() {
-		return field_2_subex_len;
-	}
-
-	public void write(LittleEndianOutput out) {
-		out.writeByte(sid + getPtgClass());
-		out.writeInt(field_1_reserved);
-		out.writeShort(field_2_subex_len);
-	}
-
-	@Override
-	public byte getSid() {
-		return sid;
-	}
-
-	public int getSize() {
-		return SIZE;
-	}
-
-	public String toFormulaString() {
-		return ""; // TODO: Not sure how to format this. -- DN
-	}
+    public static final short sid = 0x26;
+    private static final int SIZE = 7;
+    private final int field_1_reserved;
+    private final int field_2_subex_len;
+
+    /** Creates new MemAreaPtg */
+
+    public MemAreaPtg(int subexLen) {
+        field_1_reserved = 0;
+        field_2_subex_len = subexLen;
+    }
+
+    public MemAreaPtg(LittleEndianInput in)  {
+        field_1_reserved = in.readInt();
+        field_2_subex_len = in.readShort();
+    }
+
+    public int getLenRefSubexpression() {
+        return field_2_subex_len;
+    }
+
+    public void write(LittleEndianOutput out) {
+        out.writeByte(sid + getPtgClass());
+        out.writeInt(field_1_reserved);
+        out.writeShort(field_2_subex_len);
+    }
+
+    @Override
+    public byte getSid() {
+        return sid;
+    }
+
+    public int getSize() {
+        return SIZE;
+    }
+
+    public String toFormulaString() {
+        return ""; // TODO: Not sure how to format this. -- DN
+    }
 
-	@Override
+    @Override
     public byte getDefaultOperandClass() {
-		return Ptg.CLASS_VALUE;
-	}
+        return Ptg.CLASS_VALUE;
+    }
 
-	@Override
-	public MemAreaPtg copy() {
-		// immutable
-		return this;
-	}
-
-	@Override
-	public Map<String, Supplier<?>> getGenericProperties() {
-		return GenericRecordUtil.getGenericProperties("lenRefSubexpression", this::getLenRefSubexpression);
-	}
+    @Override
+    public MemAreaPtg copy() {
+        // immutable
+        return this;
+    }
+
+    @Override
+    public Map<String, Supplier<?>> getGenericProperties() {
+        return GenericRecordUtil.getGenericProperties("lenRefSubexpression", this::getLenRefSubexpression);
+    }
 }

Modified: poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/MemErrPtg.java
URL: http://svn.apache.org/viewvc/poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/MemErrPtg.java?rev=1890120&r1=1890119&r2=1890120&view=diff
==============================================================================
--- poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/MemErrPtg.java (original)
+++ poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/MemErrPtg.java Sat May 22 20:56:44 2021
@@ -25,57 +25,57 @@ import org.apache.poi.util.LittleEndianI
 import org.apache.poi.util.LittleEndianOutput;
 
 public final class MemErrPtg extends OperandPtg {
-	public static final short sid = 0x27;
-	private static final int SIZE = 7;
-	private int field_1_reserved;
-	private short field_2_subex_len;
-
-	public MemErrPtg(MemErrPtg other) {
-		super(other);
-		field_1_reserved = other.field_1_reserved;
-		field_2_subex_len = other.field_2_subex_len;
-	}
-
-	public MemErrPtg(LittleEndianInput in)  {
-		field_1_reserved = in.readInt();
-		field_2_subex_len = in.readShort();
-	}
-
-	public void write(LittleEndianOutput out) {
-		out.writeByte(sid + getPtgClass());
-		out.writeInt(field_1_reserved);
-		out.writeShort(field_2_subex_len);
-	}
-
-	@Override
-	public byte getSid() {
-		return sid;
-	}
-
-	public int getSize() {
-		return SIZE;
-	}
-
-	public String toFormulaString() {
-		return "ERR#";
-	}
+    public static final short sid = 0x27;
+    private static final int SIZE = 7;
+    private int field_1_reserved;
+    private short field_2_subex_len;
+
+    public MemErrPtg(MemErrPtg other) {
+        super(other);
+        field_1_reserved = other.field_1_reserved;
+        field_2_subex_len = other.field_2_subex_len;
+    }
+
+    public MemErrPtg(LittleEndianInput in)  {
+        field_1_reserved = in.readInt();
+        field_2_subex_len = in.readShort();
+    }
+
+    public void write(LittleEndianOutput out) {
+        out.writeByte(sid + getPtgClass());
+        out.writeInt(field_1_reserved);
+        out.writeShort(field_2_subex_len);
+    }
+
+    @Override
+    public byte getSid() {
+        return sid;
+    }
+
+    public int getSize() {
+        return SIZE;
+    }
+
+    public String toFormulaString() {
+        return "ERR#";
+    }
 
-	@Override
+    @Override
     public byte getDefaultOperandClass() {
-		return Ptg.CLASS_VALUE;
-	}
+        return Ptg.CLASS_VALUE;
+    }
 
-	public int getLenRefSubexpression() {
-		return field_2_subex_len;
-	}
-
-	@Override
-	public MemErrPtg copy() {
-		return new MemErrPtg(this);
-	}
-
-	@Override
-	public Map<String, Supplier<?>> getGenericProperties() {
-		return GenericRecordUtil.getGenericProperties("lenRefSubexpression", this::getLenRefSubexpression);
-	}
+    public int getLenRefSubexpression() {
+        return field_2_subex_len;
+    }
+
+    @Override
+    public MemErrPtg copy() {
+        return new MemErrPtg(this);
+    }
+
+    @Override
+    public Map<String, Supplier<?>> getGenericProperties() {
+        return GenericRecordUtil.getGenericProperties("lenRefSubexpression", this::getLenRefSubexpression);
+    }
 }

Modified: poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/MemFuncPtg.java
URL: http://svn.apache.org/viewvc/poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/MemFuncPtg.java?rev=1890120&r1=1890119&r2=1890120&view=diff
==============================================================================
--- poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/MemFuncPtg.java (original)
+++ poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/MemFuncPtg.java Sat May 22 20:56:44 2021
@@ -26,60 +26,60 @@ import org.apache.poi.util.LittleEndianO
 
 public final class MemFuncPtg extends OperandPtg {
 
-	public static final byte sid = 0x29;
-	private final int field_1_len_ref_subexpression;
+    public static final byte sid = 0x29;
+    private final int field_1_len_ref_subexpression;
 
-	/**
-	 * Creates new function pointer from a byte array usually called while
-	 * reading an excel file.
-	 */
-	public MemFuncPtg(LittleEndianInput in)  {
-		this(in.readUShort());
-	}
-
-	public MemFuncPtg(int subExprLen) {
-		field_1_len_ref_subexpression = subExprLen;
-	}
-
-	@Override
-	public byte getSid() {
-		return sid;
-	}
-
-	public int getSize() {
-		return 3;
-	}
-
-	public void write(LittleEndianOutput out) {
-		out.writeByte(sid + getPtgClass());
-		out.writeShort(field_1_len_ref_subexpression);
-	}
-
-	public String toFormulaString() {
-		return "";
-	}
+    /**
+     * Creates new function pointer from a byte array usually called while
+     * reading an excel file.
+     */
+    public MemFuncPtg(LittleEndianInput in)  {
+        this(in.readUShort());
+    }
+
+    public MemFuncPtg(int subExprLen) {
+        field_1_len_ref_subexpression = subExprLen;
+    }
+
+    @Override
+    public byte getSid() {
+        return sid;
+    }
+
+    public int getSize() {
+        return 3;
+    }
+
+    public void write(LittleEndianOutput out) {
+        out.writeByte(sid + getPtgClass());
+        out.writeShort(field_1_len_ref_subexpression);
+    }
+
+    public String toFormulaString() {
+        return "";
+    }
 
-	@Override
+    @Override
     public byte getDefaultOperandClass() {
-		return Ptg.CLASS_REF;
-	}
+        return Ptg.CLASS_REF;
+    }
 
-	public int getNumberOfOperands() {
-		return field_1_len_ref_subexpression;
-	}
-
-	public int getLenRefSubexpression() {
-		return field_1_len_ref_subexpression;
-	}
-
-	@Override
-	public MemFuncPtg copy() {
-		// immutable
-		return this;
-	}
-
-	@Override
-	public Map<String, Supplier<?>> getGenericProperties() {
-		return GenericRecordUtil.getGenericProperties("lenRefSubexpression", this::getLenRefSubexpression);
-	}
+    public int getNumberOfOperands() {
+        return field_1_len_ref_subexpression;
+    }
+
+    public int getLenRefSubexpression() {
+        return field_1_len_ref_subexpression;
+    }
+
+    @Override
+    public MemFuncPtg copy() {
+        // immutable
+        return this;
+    }
+
+    @Override
+    public Map<String, Supplier<?>> getGenericProperties() {
+        return GenericRecordUtil.getGenericProperties("lenRefSubexpression", this::getLenRefSubexpression);
+    }
 }
\ No newline at end of file

Modified: poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/MissingArgPtg.java
URL: http://svn.apache.org/viewvc/poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/MissingArgPtg.java?rev=1890120&r1=1890119&r2=1890120&view=diff
==============================================================================
--- poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/MissingArgPtg.java (original)
+++ poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/MissingArgPtg.java Sat May 22 20:56:44 2021
@@ -27,39 +27,39 @@ import org.apache.poi.util.LittleEndianO
  */
 public final class MissingArgPtg extends ScalarConstantPtg {
 
-	private static final int SIZE = 1;
-	public static final byte sid = 0x16;
+    private static final int SIZE = 1;
+    public static final byte sid = 0x16;
 
-	public static final Ptg instance = new MissingArgPtg();
+    public static final Ptg instance = new MissingArgPtg();
 
-	private MissingArgPtg() {
-		// enforce singleton
-	}
-
-	public void write(LittleEndianOutput out) {
-		out.writeByte(sid + getPtgClass());
-	}
-
-	@Override
-	public byte getSid() {
-		return sid;
-	}
-
-	public int getSize() {
-		return SIZE;
-	}
-
-	public String toFormulaString() {
-		return " ";
-	}
-
-	@Override
-	public MissingArgPtg copy() {
-		return this;
-	}
-
-	@Override
-	public Map<String, Supplier<?>> getGenericProperties() {
-		return null;
-	}
+    private MissingArgPtg() {
+        // enforce singleton
+    }
+
+    public void write(LittleEndianOutput out) {
+        out.writeByte(sid + getPtgClass());
+    }
+
+    @Override
+    public byte getSid() {
+        return sid;
+    }
+
+    public int getSize() {
+        return SIZE;
+    }
+
+    public String toFormulaString() {
+        return " ";
+    }
+
+    @Override
+    public MissingArgPtg copy() {
+        return this;
+    }
+
+    @Override
+    public Map<String, Supplier<?>> getGenericProperties() {
+        return null;
+    }
 }

Modified: poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/MultiplyPtg.java
URL: http://svn.apache.org/viewvc/poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/MultiplyPtg.java?rev=1890120&r1=1890119&r2=1890120&view=diff
==============================================================================
--- poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/MultiplyPtg.java (original)
+++ poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/MultiplyPtg.java Sat May 22 20:56:44 2021
@@ -26,7 +26,7 @@ public final class MultiplyPtg extends V
     public static final MultiplyPtg instance = new MultiplyPtg();
 
     private MultiplyPtg() {
-    	// enforce singleton
+        // enforce singleton
     }
 
     @Override

Modified: poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/NamePtg.java
URL: http://svn.apache.org/viewvc/poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/NamePtg.java?rev=1890120&r1=1890119&r2=1890120&view=diff
==============================================================================
--- poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/NamePtg.java (original)
+++ poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/NamePtg.java Sat May 22 20:56:44 2021
@@ -30,78 +30,78 @@ import org.apache.poi.util.LittleEndianO
  * See the spec at 2.5.198.76 PtgName
  */
 public final class NamePtg extends OperandPtg implements WorkbookDependentFormula {
-	public static final short sid = 0x23;
-	private static final int SIZE = 5;
+    public static final short sid = 0x23;
+    private static final int SIZE = 5;
 
-	/** one-based index to defined name record */
-	private int field_1_label_index;
-	private short field_2_zero; // reserved must be 0
-
-	/**
-	 * @param nameIndex zero-based index to name within workbook
-	 */
-	public NamePtg(int nameIndex) {
-		field_1_label_index = 1 + nameIndex; // convert to 1-based
-	}
-
-	public NamePtg(NamePtg other) {
-		super(other);
-		field_1_label_index = other.field_1_label_index;
-		field_2_zero = other.field_2_zero;
-	}
-
-	/** Creates new NamePtg */
-	public NamePtg(LittleEndianInput in)  {
-		field_1_label_index = in.readUShort();
-		field_2_zero = in.readShort();
-	}
-
-	/**
-	 * @return zero based index to a defined name record in the LinkTable
-	 */
-	public int getIndex() {
-		return field_1_label_index - 1; // convert to zero based
-	}
-
-	@Override
-	public void write(LittleEndianOutput out) {
-		out.writeByte(sid + getPtgClass());
-		out.writeShort(field_1_label_index);
-		out.writeShort(field_2_zero);
-	}
-
-	@Override
-	public byte getSid() {
-		return sid;
-	}
-
-	@Override
-	public int getSize() {
-		return SIZE;
-	}
-
-	@Override
-	public String toFormulaString(FormulaRenderingWorkbook book) {
-		return book.getNameText(this);
-	}
-
-	@Override
-	public String toFormulaString() {
-		throw new RuntimeException("3D references need a workbook to determine formula text");
-	}
-
-	@Override
-	public byte getDefaultOperandClass() {
-		return Ptg.CLASS_REF;
-	}
-
-	@Override
-	public NamePtg copy() {
-		return new NamePtg(this);
-	}
-
-	@Override
-	public Map<String, Supplier<?>> getGenericProperties() {
-		return GenericRecordUtil.getGenericProperties("index", this::getIndex);
-	}
+    /** one-based index to defined name record */
+    private int field_1_label_index;
+    private short field_2_zero; // reserved must be 0
+
+    /**
+     * @param nameIndex zero-based index to name within workbook
+     */
+    public NamePtg(int nameIndex) {
+        field_1_label_index = 1 + nameIndex; // convert to 1-based
+    }
+
+    public NamePtg(NamePtg other) {
+        super(other);
+        field_1_label_index = other.field_1_label_index;
+        field_2_zero = other.field_2_zero;
+    }
+
+    /** Creates new NamePtg */
+    public NamePtg(LittleEndianInput in)  {
+        field_1_label_index = in.readUShort();
+        field_2_zero = in.readShort();
+    }
+
+    /**
+     * @return zero based index to a defined name record in the LinkTable
+     */
+    public int getIndex() {
+        return field_1_label_index - 1; // convert to zero based
+    }
+
+    @Override
+    public void write(LittleEndianOutput out) {
+        out.writeByte(sid + getPtgClass());
+        out.writeShort(field_1_label_index);
+        out.writeShort(field_2_zero);
+    }
+
+    @Override
+    public byte getSid() {
+        return sid;
+    }
+
+    @Override
+    public int getSize() {
+        return SIZE;
+    }
+
+    @Override
+    public String toFormulaString(FormulaRenderingWorkbook book) {
+        return book.getNameText(this);
+    }
+
+    @Override
+    public String toFormulaString() {
+        throw new RuntimeException("3D references need a workbook to determine formula text");
+    }
+
+    @Override
+    public byte getDefaultOperandClass() {
+        return Ptg.CLASS_REF;
+    }
+
+    @Override
+    public NamePtg copy() {
+        return new NamePtg(this);
+    }
+
+    @Override
+    public Map<String, Supplier<?>> getGenericProperties() {
+        return GenericRecordUtil.getGenericProperties("index", this::getIndex);
+    }
 }

Modified: poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/NameXPtg.java
URL: http://svn.apache.org/viewvc/poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/NameXPtg.java?rev=1890120&r1=1890119&r2=1890120&view=diff
==============================================================================
--- poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/NameXPtg.java (original)
+++ poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/NameXPtg.java Sat May 22 20:56:44 2021
@@ -35,81 +35,81 @@ import org.apache.poi.util.LittleEndianO
  *  is {@link NameXPxg}
  */
 public final class NameXPtg extends OperandPtg implements WorkbookDependentFormula {
-	public static final short sid = 0x39;
-	private static final int SIZE = 7;
+    public static final short sid = 0x39;
+    private static final int SIZE = 7;
 
-	/** index to REF entry in externsheet record */
-	private final int _sheetRefIndex;
-	/** index to defined name or externname table(1 based) */
-	private final int _nameNumber;
-	/** reserved must be 0 */
-	private final int _reserved;
-
-	private NameXPtg(int sheetRefIndex, int nameNumber, int reserved) {
-		_sheetRefIndex = sheetRefIndex;
-		_nameNumber = nameNumber;
-		_reserved = reserved;
-	}
-
-	/**
-	 * @param sheetRefIndex index to REF entry in externsheet record
-	 * @param nameIndex index to defined name or externname table
-	 */
-	public NameXPtg(int sheetRefIndex, int nameIndex) {
-		this(sheetRefIndex, nameIndex + 1, 0);
-	}
-
-	public NameXPtg(LittleEndianInput in)  {
-		this(in.readUShort(), in.readUShort(), in.readUShort());
-	}
-
-	public void write(LittleEndianOutput out) {
-		out.writeByte(sid + getPtgClass());
-		out.writeShort(_sheetRefIndex);
-		out.writeShort(_nameNumber);
-		out.writeShort(_reserved);
-	}
-
-	@Override
-	public byte getSid() {
-		return sid;
-	}
-
-	public int getSize() {
-		return SIZE;
-	}
-
-	public String toFormulaString(FormulaRenderingWorkbook book) {
-		// -1 to convert definedNameIndex from 1-based to zero-based
-		return book.resolveNameXText(this);
-	}
-	public String toFormulaString() {
-		throw new RuntimeException("3D references need a workbook to determine formula text");
-	}
+    /** index to REF entry in externsheet record */
+    private final int _sheetRefIndex;
+    /** index to defined name or externname table(1 based) */
+    private final int _nameNumber;
+    /** reserved must be 0 */
+    private final int _reserved;
+
+    private NameXPtg(int sheetRefIndex, int nameNumber, int reserved) {
+        _sheetRefIndex = sheetRefIndex;
+        _nameNumber = nameNumber;
+        _reserved = reserved;
+    }
+
+    /**
+     * @param sheetRefIndex index to REF entry in externsheet record
+     * @param nameIndex index to defined name or externname table
+     */
+    public NameXPtg(int sheetRefIndex, int nameIndex) {
+        this(sheetRefIndex, nameIndex + 1, 0);
+    }
+
+    public NameXPtg(LittleEndianInput in)  {
+        this(in.readUShort(), in.readUShort(), in.readUShort());
+    }
+
+    public void write(LittleEndianOutput out) {
+        out.writeByte(sid + getPtgClass());
+        out.writeShort(_sheetRefIndex);
+        out.writeShort(_nameNumber);
+        out.writeShort(_reserved);
+    }
+
+    @Override
+    public byte getSid() {
+        return sid;
+    }
+
+    public int getSize() {
+        return SIZE;
+    }
+
+    public String toFormulaString(FormulaRenderingWorkbook book) {
+        // -1 to convert definedNameIndex from 1-based to zero-based
+        return book.resolveNameXText(this);
+    }
+    public String toFormulaString() {
+        throw new RuntimeException("3D references need a workbook to determine formula text");
+    }
 
-	@Override
+    @Override
     public byte getDefaultOperandClass() {
-		return Ptg.CLASS_VALUE;
-	}
+        return Ptg.CLASS_VALUE;
+    }
 
-	public int getSheetRefIndex() {
-		return _sheetRefIndex;
-	}
-	public int getNameIndex() {
-		return _nameNumber - 1;
-	}
-
-	@Override
-	public NameXPtg copy() {
-		// immutable
-		return this;
-	}
-
-	@Override
-	public Map<String, Supplier<?>> getGenericProperties() {
-		return GenericRecordUtil.getGenericProperties(
-			"sheetRefIndex", this::getSheetRefIndex,
-			"nameIndex", this::getNameIndex
-		);
-	}
+    public int getSheetRefIndex() {
+        return _sheetRefIndex;
+    }
+    public int getNameIndex() {
+        return _nameNumber - 1;
+    }
+
+    @Override
+    public NameXPtg copy() {
+        // immutable
+        return this;
+    }
+
+    @Override
+    public Map<String, Supplier<?>> getGenericProperties() {
+        return GenericRecordUtil.getGenericProperties(
+            "sheetRefIndex", this::getSheetRefIndex,
+            "nameIndex", this::getNameIndex
+        );
+    }
 }

Modified: poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/NotEqualPtg.java
URL: http://svn.apache.org/viewvc/poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/NotEqualPtg.java?rev=1890120&r1=1890119&r2=1890120&view=diff
==============================================================================
--- poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/NotEqualPtg.java (original)
+++ poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/NotEqualPtg.java Sat May 22 20:56:44 2021
@@ -26,7 +26,7 @@ public final class NotEqualPtg extends V
     public static final NotEqualPtg instance = new NotEqualPtg();
 
     private NotEqualPtg() {
-    	// enforce singleton
+        // enforce singleton
     }
 
     @Override

Modified: poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/NumberPtg.java
URL: http://svn.apache.org/viewvc/poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/NumberPtg.java?rev=1890120&r1=1890119&r2=1890120&view=diff
==============================================================================
--- poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/NumberPtg.java (original)
+++ poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/NumberPtg.java Sat May 22 20:56:44 2021
@@ -30,61 +30,61 @@ import org.apache.poi.util.LittleEndianO
  * field using IEEE notation
  */
 public final class NumberPtg extends ScalarConstantPtg {
-	public static final int SIZE = 9;
-	public static final byte sid = 0x1f;
-	private final double field_1_value;
-
-	public NumberPtg(LittleEndianInput in)  {
-		this(in.readDouble());
-	}
-
-	/**
-	 * Create a NumberPtg from a string representation of the number Number
-	 * format is not checked, it is expected to be validated in the parser that
-	 * calls this method.
-	 *
-	 * @param value String representation of a floating point number
-	 */
-	public NumberPtg(String value) {
-		this(Double.parseDouble(value));
-	}
-
-	public NumberPtg(double value) {
-		field_1_value = value;
-	}
-
-	public double getValue() {
-		return field_1_value;
-	}
-
-	@Override
-	public void write(LittleEndianOutput out) {
-		out.writeByte(sid + getPtgClass());
-		out.writeDouble(getValue());
-	}
-
-	@Override
-	public byte getSid() {
-		return sid;
-	}
-
-	@Override
-	public int getSize() {
-		return SIZE;
-	}
-
-	@Override
-	public String toFormulaString() {
-		return NumberToTextConverter.toText(field_1_value);
-	}
-
-	@Override
-	public NumberPtg copy() {
-		return this;
-	}
-
-	@Override
-	public Map<String, Supplier<?>> getGenericProperties() {
-		return GenericRecordUtil.getGenericProperties("value", this::getValue);
-	}
+    public static final int SIZE = 9;
+    public static final byte sid = 0x1f;
+    private final double field_1_value;
+
+    public NumberPtg(LittleEndianInput in)  {
+        this(in.readDouble());
+    }
+
+    /**
+     * Create a NumberPtg from a string representation of the number Number
+     * format is not checked, it is expected to be validated in the parser that
+     * calls this method.
+     *
+     * @param value String representation of a floating point number
+     */
+    public NumberPtg(String value) {
+        this(Double.parseDouble(value));
+    }
+
+    public NumberPtg(double value) {
+        field_1_value = value;
+    }
+
+    public double getValue() {
+        return field_1_value;
+    }
+
+    @Override
+    public void write(LittleEndianOutput out) {
+        out.writeByte(sid + getPtgClass());
+        out.writeDouble(getValue());
+    }
+
+    @Override
+    public byte getSid() {
+        return sid;
+    }
+
+    @Override
+    public int getSize() {
+        return SIZE;
+    }
+
+    @Override
+    public String toFormulaString() {
+        return NumberToTextConverter.toText(field_1_value);
+    }
+
+    @Override
+    public NumberPtg copy() {
+        return this;
+    }
+
+    @Override
+    public Map<String, Supplier<?>> getGenericProperties() {
+        return GenericRecordUtil.getGenericProperties("value", this::getValue);
+    }
 }

Modified: poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/OperandPtg.java
URL: http://svn.apache.org/viewvc/poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/OperandPtg.java?rev=1890120&r1=1890119&r2=1890120&view=diff
==============================================================================
--- poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/OperandPtg.java (original)
+++ poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/OperandPtg.java Sat May 22 20:56:44 2021
@@ -19,20 +19,20 @@ package org.apache.poi.ss.formula.ptg;
 
 public abstract class OperandPtg extends Ptg {
 
-	protected OperandPtg() {}
+    protected OperandPtg() {}
 
-	protected OperandPtg(OperandPtg other) {
-		super(other);
-	}
+    protected OperandPtg(OperandPtg other) {
+        super(other);
+    }
 
-	/**
-	 * All Operand {@link Ptg}s are classified ('relative', 'value', 'array')
-	 */
-	@Override
+    /**
+     * All Operand {@link Ptg}s are classified ('relative', 'value', 'array')
+     */
+    @Override
     public final boolean isBaseToken() {
-		return false;
-	}
+        return false;
+    }
 
-	@Override
-	public abstract OperandPtg copy();
+    @Override
+    public abstract OperandPtg copy();
 }

Modified: poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/ParenthesisPtg.java
URL: http://svn.apache.org/viewvc/poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/ParenthesisPtg.java?rev=1890120&r1=1890119&r2=1890120&view=diff
==============================================================================
--- poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/ParenthesisPtg.java (original)
+++ poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/ParenthesisPtg.java Sat May 22 20:56:44 2021
@@ -29,43 +29,43 @@ import org.apache.poi.util.LittleEndianO
  */
 public final class ParenthesisPtg extends ControlPtg {
 
-	private static final int SIZE = 1;
-	public static final byte sid = 0x15;
+    private static final int SIZE = 1;
+    public static final byte sid = 0x15;
 
-	public static final ParenthesisPtg instance = new ParenthesisPtg();
+    public static final ParenthesisPtg instance = new ParenthesisPtg();
 
-	private ParenthesisPtg() {
-		// enforce singleton
-	}
-
-	public void write(LittleEndianOutput out) {
-		out.writeByte(sid + getPtgClass());
-	}
-
-	@Override
-	public byte getSid() {
-		return sid;
-	}
-
-	public int getSize() {
-		return SIZE;
-	}
-
-	public String toFormulaString() {
-		return "()";
-	}
-
-	public String toFormulaString(String[] operands) {
-		return "(" + operands[0] + ")";
-	}
-
-	@Override
-	public ParenthesisPtg copy() {
-		return instance;
-	}
-
-	@Override
-	public Map<String, Supplier<?>> getGenericProperties() {
-		return null;
-	}
+    private ParenthesisPtg() {
+        // enforce singleton
+    }
+
+    public void write(LittleEndianOutput out) {
+        out.writeByte(sid + getPtgClass());
+    }
+
+    @Override
+    public byte getSid() {
+        return sid;
+    }
+
+    public int getSize() {
+        return SIZE;
+    }
+
+    public String toFormulaString() {
+        return "()";
+    }
+
+    public String toFormulaString(String[] operands) {
+        return "(" + operands[0] + ")";
+    }
+
+    @Override
+    public ParenthesisPtg copy() {
+        return instance;
+    }
+
+    @Override
+    public Map<String, Supplier<?>> getGenericProperties() {
+        return null;
+    }
 }

Modified: poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/PercentPtg.java
URL: http://svn.apache.org/viewvc/poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/PercentPtg.java?rev=1890120&r1=1890119&r2=1890120&view=diff
==============================================================================
--- poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/PercentPtg.java (original)
+++ poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/PercentPtg.java Sat May 22 20:56:44 2021
@@ -29,7 +29,7 @@ public final class PercentPtg extends Va
     public static final PercentPtg instance = new PercentPtg();
 
     private PercentPtg() {
-    	// enforce singleton
+        // enforce singleton
     }
 
     @Override

Modified: poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/PowerPtg.java
URL: http://svn.apache.org/viewvc/poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/PowerPtg.java?rev=1890120&r1=1890119&r2=1890120&view=diff
==============================================================================
--- poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/PowerPtg.java (original)
+++ poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/PowerPtg.java Sat May 22 20:56:44 2021
@@ -23,7 +23,7 @@ public final class PowerPtg extends Valu
     public static final PowerPtg instance = new PowerPtg();
 
     private PowerPtg() {
-    	// enforce singleton
+        // enforce singleton
     }
 
     @Override

Modified: poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/Ptg.java
URL: http://svn.apache.org/viewvc/poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/Ptg.java?rev=1890120&r1=1890119&r2=1890120&view=diff
==============================================================================
--- poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/Ptg.java (original)
+++ poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/Ptg.java Sat May 22 20:56:44 2021
@@ -40,285 +40,285 @@ import org.apache.poi.util.LittleEndianO
  * evaluation logic, so POI mostly accesses {@code Ptg}s in the same way.
  */
 public abstract class Ptg implements Duplicatable, GenericRecord {
-	public static final Ptg[] EMPTY_PTG_ARRAY = { };
+    public static final Ptg[] EMPTY_PTG_ARRAY = { };
 
-	public static final byte CLASS_REF = 0x00;
-	public static final byte CLASS_VALUE = 0x20;
-	public static final byte CLASS_ARRAY = 0x40;
-
-	private byte ptgClass = CLASS_REF; //base ptg
-
-	protected Ptg() {}
-
-	protected Ptg(Ptg other) {
-		ptgClass = other.ptgClass;
-	}
-
-	/**
-	 * Reads {@code size} bytes of the input stream, to create an array of {@code Ptg}s.
-	 * Extra data (beyond {@code size}) may be read if and {@code ArrayPtg}s are present.
-	 */
-	public static Ptg[] readTokens(int size, LittleEndianInput in) {
-		List<Ptg> temp = new ArrayList<>(4 + size / 2);
-		int pos = 0;
-		boolean hasArrayPtgs = false;
-		while (pos < size) {
-			Ptg ptg = Ptg.createPtg(in);
-			if (ptg instanceof ArrayInitialPtg) {
-				hasArrayPtgs = true;
-			}
-			pos += ptg.getSize();
-			temp.add(ptg);
-		}
-		if(pos != size) {
-			throw new RuntimeException("Ptg array size mismatch");
-		}
-		if (hasArrayPtgs) {
-			Ptg[] result = toPtgArray(temp);
-			for (int i=0;i<result.length;i++) {
-				if (result[i] instanceof ArrayInitialPtg) {
-					result[i] = ((ArrayInitialPtg) result[i]).finishReading(in);
-				}
-			}
-			return result;
-		}
-		return toPtgArray(temp);
-	}
-
-	public static Ptg createPtg(LittleEndianInput in) {
-		byte id = in.readByte();
-
-		if (id < 0x20) {
-			return createBasePtg(id, in);
-		}
-
-		Ptg  retval = createClassifiedPtg(id, in);
-
-		if (id >= 0x60) {
-			retval.setClass(CLASS_ARRAY);
-		} else if (id >= 0x40) {
-			retval.setClass(CLASS_VALUE);
-		} else {
-			retval.setClass(CLASS_REF);
-		}
-		return retval;
-	}
-
-	private static Ptg createClassifiedPtg(byte id, LittleEndianInput in) {
-
-		int baseId = id & 0x1F | 0x20;
-
-		switch (baseId) {
-			case ArrayPtg.sid:    return new ArrayInitialPtg(in);//0x20, 0x40, 0x60
-			case FuncPtg.sid:     return FuncPtg.create(in);  // 0x21, 0x41, 0x61
-			case FuncVarPtg.sid:  return FuncVarPtg.create(in);//0x22, 0x42, 0x62
-			case NamePtg.sid:     return new NamePtg(in);     // 0x23, 0x43, 0x63
-			case RefPtg.sid:      return new RefPtg(in);      // 0x24, 0x44, 0x64
-			case AreaPtg.sid:     return new AreaPtg(in);     // 0x25, 0x45, 0x65
-			case MemAreaPtg.sid:  return new MemAreaPtg(in);  // 0x26, 0x46, 0x66
-			case MemErrPtg.sid:   return new MemErrPtg(in);   // 0x27, 0x47, 0x67
-			case MemFuncPtg.sid:  return new MemFuncPtg(in);  // 0x29, 0x49, 0x69
-			case RefErrorPtg.sid: return new RefErrorPtg(in); // 0x2a, 0x4a, 0x6a
-			case AreaErrPtg.sid:  return new AreaErrPtg(in);  // 0x2b, 0x4b, 0x6b
-			case RefNPtg.sid:     return new RefNPtg(in);     // 0x2c, 0x4c, 0x6c
-			case AreaNPtg.sid:    return new AreaNPtg(in);    // 0x2d, 0x4d, 0x6d
-
-			case NameXPtg.sid:    return new NameXPtg(in);    // 0x39, 0x49, 0x79
-			case Ref3DPtg.sid:    return new Ref3DPtg(in);    // 0x3a, 0x5a, 0x7a
-			case Area3DPtg.sid:   return new Area3DPtg(in);   // 0x3b, 0x5b, 0x7b
-			case DeletedRef3DPtg.sid:  return new DeletedRef3DPtg(in);   // 0x3c, 0x5c, 0x7c
-			case DeletedArea3DPtg.sid: return  new DeletedArea3DPtg(in); // 0x3d, 0x5d, 0x7d
-		}
-		throw new UnsupportedOperationException(" Unknown Ptg in Formula: 0x"+
-					Integer.toHexString(id) + " (" + ( int ) id + ")");
-	}
-
-	private static Ptg createBasePtg(byte id, LittleEndianInput in) {
-		switch(id) {
-			case 0x00:                return new UnknownPtg(id); // TODO - not a real Ptg
-			case ExpPtg.sid:          return new ExpPtg(in);          // 0x01
-			case TblPtg.sid:          return new TblPtg(in);          // 0x02
-			case AddPtg.sid:          return AddPtg.instance;         // 0x03
-			case SubtractPtg.sid:     return SubtractPtg.instance;    // 0x04
-			case MultiplyPtg.sid:     return MultiplyPtg.instance;    // 0x05
-			case DividePtg.sid:       return DividePtg.instance;      // 0x06
-			case PowerPtg.sid:        return PowerPtg.instance;       // 0x07
-			case ConcatPtg.sid:       return ConcatPtg.instance;      // 0x08
-			case LessThanPtg.sid:     return LessThanPtg.instance;    // 0x09
-			case LessEqualPtg.sid:    return LessEqualPtg.instance;   // 0x0a
-			case EqualPtg.sid:        return EqualPtg.instance;       // 0x0b
-			case GreaterEqualPtg.sid: return GreaterEqualPtg.instance;// 0x0c
-			case GreaterThanPtg.sid:  return GreaterThanPtg.instance; // 0x0d
-			case NotEqualPtg.sid:     return NotEqualPtg.instance;    // 0x0e
-			case IntersectionPtg.sid: return IntersectionPtg.instance;// 0x0f
-			case UnionPtg.sid:        return UnionPtg.instance;       // 0x10
-			case RangePtg.sid:        return RangePtg.instance;       // 0x11
-			case UnaryPlusPtg.sid:    return UnaryPlusPtg.instance;   // 0x12
-			case UnaryMinusPtg.sid:   return UnaryMinusPtg.instance;  // 0x13
-			case PercentPtg.sid:      return PercentPtg.instance;     // 0x14
-			case ParenthesisPtg.sid:  return ParenthesisPtg.instance; // 0x15
-			case MissingArgPtg.sid:   return MissingArgPtg.instance;  // 0x16
-
-			case StringPtg.sid:       return new StringPtg(in);       // 0x17
-			// not implemented yet: case SxNamePtg.sid:       return new SxNamePtg(in);       // 0x18
-			case AttrPtg.sid:         return new AttrPtg(in);         // 0x19
-			case ErrPtg.sid:          return ErrPtg.read(in);         // 0x1c
-			case BoolPtg.sid:         return BoolPtg.read(in);        // 0x1d
-			case IntPtg.sid:          return new IntPtg(in);          // 0x1e
-			case NumberPtg.sid:       return new NumberPtg(in);       // 0x1f
-		}
-		throw new RuntimeException("Unexpected base token id (" + id + ")");
-	}
-
-	private static Ptg[] toPtgArray(List<Ptg> l) {
-		if (l.isEmpty()) {
-			return EMPTY_PTG_ARRAY;
-		}
-		Ptg[] result = new Ptg[l.size()];
-		l.toArray(result);
-		return result;
-	}
-	/**
-	 * This method will return the same result as {@link #getEncodedSizeWithoutArrayData(Ptg[])}
-	 * if there are no array tokens present.
-	 * @return the full size taken to encode the specified {@code Ptg}s
-	 */
-	public static int getEncodedSize(Ptg[] ptgs) {
-		int result = 0;
-		for (Ptg ptg : ptgs) {
-			result += ptg.getSize();
-		}
-		return result;
-	}
-	/**
-	 * Used to calculate value that should be encoded at the start of the encoded Ptg token array;
-	 * @return the size of the encoded Ptg tokens not including any trailing array data.
-	 */
-	public static int getEncodedSizeWithoutArrayData(Ptg[] ptgs) {
-		int result = 0;
-		for (Ptg ptg : ptgs) {
-			if (ptg instanceof ArrayPtg) {
-				result += ArrayPtg.PLAIN_TOKEN_SIZE;
-			} else {
-				result += ptg.getSize();
-			}
-		}
-		return result;
-	}
-	/**
-	 * Writes the ptgs to the data buffer, starting at the specified offset.
-	 *
-	 * <br>
-	 * The 2 byte encode length field is <b>not</b> written by this method.
-	 * @return number of bytes written
-	 */
-	public static int serializePtgs(Ptg[] ptgs, byte[] array, int offset) {
-		LittleEndianByteArrayOutputStream out = new LittleEndianByteArrayOutputStream(array, offset); // NOSONAR
-
-		List<Ptg> arrayPtgs = null;
-
-		for (Ptg ptg : ptgs) {
-			ptg.write(out);
-			if (ptg instanceof ArrayPtg) {
-				if (arrayPtgs == null) {
-					arrayPtgs = new ArrayList<>(5);
-				}
-				arrayPtgs.add(ptg);
-			}
-		}
-		if (arrayPtgs != null) {
-			for (Ptg arrayPtg : arrayPtgs) {
-				ArrayPtg p = (ArrayPtg) arrayPtg;
-				p.writeTokenValueBytes(out);
-			}
-		}
-		return out.getWriteIndex() - offset;
-	}
-
-	/**
-	 * @return the encoded length of this Ptg, including the initial Ptg type identifier byte.
-	 */
-	public abstract int getSize();
-
-	public abstract void write(LittleEndianOutput out);
-
-	/**
-	 * return a string representation of this token alone
-	 */
-	public abstract String toFormulaString();
-
-	@Override
-	public final String toString() {
-		return GenericRecordJsonWriter.marshal(this);
-	}
-
-	public final void setClass(byte thePtgClass) {
-		if (isBaseToken()) {
-			throw new RuntimeException("setClass should not be called on a base token");
-		}
-		ptgClass = thePtgClass;
-	}
-
-	/**
-	 *  @return the 'operand class' (REF/VALUE/ARRAY) for this Ptg
-	 */
-	public final byte getPtgClass() {
-		return ptgClass;
-	}
-
-	/**
-	 * Debug / diagnostic method to get this token's 'operand class' type.
-	 * @return 'R' for 'reference', 'V' for 'value', 'A' for 'array' and '.' for base tokens
-	 */
-	public final char getRVAType() {
-		if (isBaseToken()) {
-			return '.';
-		}
-		switch (ptgClass) {
-			case Ptg.CLASS_REF:   return 'R';
-			case Ptg.CLASS_VALUE: return 'V';
-			case Ptg.CLASS_ARRAY: return 'A';
-		}
-		throw new RuntimeException("Unknown operand class (" + ptgClass + ")");
-	}
-
-	public abstract byte getDefaultOperandClass();
-
-	/**
-	 * @return {@code false} if this token is classified as 'reference', 'value', or 'array'
-	 */
-	public abstract boolean isBaseToken();
-
-	public static boolean doesFormulaReferToDeletedCell(Ptg[] ptgs) {
-		for (Ptg ptg : ptgs) {
-			if (isDeletedCellRef(ptg)) {
-				return true;
-			}
-		}
-		return false;
-	}
-
-	private static boolean isDeletedCellRef(Ptg ptg) {
-		if (ptg == ErrPtg.REF_INVALID) {
-			return true;
-		}
-		if (ptg instanceof DeletedArea3DPtg) {
-			return true;
-		}
-		if (ptg instanceof DeletedRef3DPtg) {
-			return true;
-		}
-		if (ptg instanceof AreaErrPtg) {
-			return true;
-		}
-		return ptg instanceof RefErrorPtg;
-	}
-
-	@Override
-	public abstract Ptg copy();
-
-	/**
-	 * @return structure id of the parsed thing, or {@code -1} if the record has no sid
-	 */
-	public abstract byte getSid();
+    public static final byte CLASS_REF = 0x00;
+    public static final byte CLASS_VALUE = 0x20;
+    public static final byte CLASS_ARRAY = 0x40;
+
+    private byte ptgClass = CLASS_REF; //base ptg
+
+    protected Ptg() {}
+
+    protected Ptg(Ptg other) {
+        ptgClass = other.ptgClass;
+    }
+
+    /**
+     * Reads {@code size} bytes of the input stream, to create an array of {@code Ptg}s.
+     * Extra data (beyond {@code size}) may be read if and {@code ArrayPtg}s are present.
+     */
+    public static Ptg[] readTokens(int size, LittleEndianInput in) {
+        List<Ptg> temp = new ArrayList<>(4 + size / 2);
+        int pos = 0;
+        boolean hasArrayPtgs = false;
+        while (pos < size) {
+            Ptg ptg = Ptg.createPtg(in);
+            if (ptg instanceof ArrayInitialPtg) {
+                hasArrayPtgs = true;
+            }
+            pos += ptg.getSize();
+            temp.add(ptg);
+        }
+        if(pos != size) {
+            throw new RuntimeException("Ptg array size mismatch");
+        }
+        if (hasArrayPtgs) {
+            Ptg[] result = toPtgArray(temp);
+            for (int i=0;i<result.length;i++) {
+                if (result[i] instanceof ArrayInitialPtg) {
+                    result[i] = ((ArrayInitialPtg) result[i]).finishReading(in);
+                }
+            }
+            return result;
+        }
+        return toPtgArray(temp);
+    }
+
+    public static Ptg createPtg(LittleEndianInput in) {
+        byte id = in.readByte();
+
+        if (id < 0x20) {
+            return createBasePtg(id, in);
+        }
+
+        Ptg  retval = createClassifiedPtg(id, in);
+
+        if (id >= 0x60) {
+            retval.setClass(CLASS_ARRAY);
+        } else if (id >= 0x40) {
+            retval.setClass(CLASS_VALUE);
+        } else {
+            retval.setClass(CLASS_REF);
+        }
+        return retval;
+    }
+
+    private static Ptg createClassifiedPtg(byte id, LittleEndianInput in) {
+
+        int baseId = id & 0x1F | 0x20;
+
+        switch (baseId) {
+            case ArrayPtg.sid:    return new ArrayInitialPtg(in);//0x20, 0x40, 0x60
+            case FuncPtg.sid:     return FuncPtg.create(in);  // 0x21, 0x41, 0x61
+            case FuncVarPtg.sid:  return FuncVarPtg.create(in);//0x22, 0x42, 0x62
+            case NamePtg.sid:     return new NamePtg(in);     // 0x23, 0x43, 0x63
+            case RefPtg.sid:      return new RefPtg(in);      // 0x24, 0x44, 0x64
+            case AreaPtg.sid:     return new AreaPtg(in);     // 0x25, 0x45, 0x65
+            case MemAreaPtg.sid:  return new MemAreaPtg(in);  // 0x26, 0x46, 0x66
+            case MemErrPtg.sid:   return new MemErrPtg(in);   // 0x27, 0x47, 0x67
+            case MemFuncPtg.sid:  return new MemFuncPtg(in);  // 0x29, 0x49, 0x69
+            case RefErrorPtg.sid: return new RefErrorPtg(in); // 0x2a, 0x4a, 0x6a
+            case AreaErrPtg.sid:  return new AreaErrPtg(in);  // 0x2b, 0x4b, 0x6b
+            case RefNPtg.sid:     return new RefNPtg(in);     // 0x2c, 0x4c, 0x6c
+            case AreaNPtg.sid:    return new AreaNPtg(in);    // 0x2d, 0x4d, 0x6d
+
+            case NameXPtg.sid:    return new NameXPtg(in);    // 0x39, 0x49, 0x79
+            case Ref3DPtg.sid:    return new Ref3DPtg(in);    // 0x3a, 0x5a, 0x7a
+            case Area3DPtg.sid:   return new Area3DPtg(in);   // 0x3b, 0x5b, 0x7b
+            case DeletedRef3DPtg.sid:  return new DeletedRef3DPtg(in);   // 0x3c, 0x5c, 0x7c
+            case DeletedArea3DPtg.sid: return  new DeletedArea3DPtg(in); // 0x3d, 0x5d, 0x7d
+        }
+        throw new UnsupportedOperationException(" Unknown Ptg in Formula: 0x"+
+                    Integer.toHexString(id) + " (" + ( int ) id + ")");
+    }
+
+    private static Ptg createBasePtg(byte id, LittleEndianInput in) {
+        switch(id) {
+            case 0x00:                return new UnknownPtg(id); // TODO - not a real Ptg
+            case ExpPtg.sid:          return new ExpPtg(in);          // 0x01
+            case TblPtg.sid:          return new TblPtg(in);          // 0x02
+            case AddPtg.sid:          return AddPtg.instance;         // 0x03
+            case SubtractPtg.sid:     return SubtractPtg.instance;    // 0x04
+            case MultiplyPtg.sid:     return MultiplyPtg.instance;    // 0x05
+            case DividePtg.sid:       return DividePtg.instance;      // 0x06
+            case PowerPtg.sid:        return PowerPtg.instance;       // 0x07
+            case ConcatPtg.sid:       return ConcatPtg.instance;      // 0x08
+            case LessThanPtg.sid:     return LessThanPtg.instance;    // 0x09
+            case LessEqualPtg.sid:    return LessEqualPtg.instance;   // 0x0a
+            case EqualPtg.sid:        return EqualPtg.instance;       // 0x0b
+            case GreaterEqualPtg.sid: return GreaterEqualPtg.instance;// 0x0c
+            case GreaterThanPtg.sid:  return GreaterThanPtg.instance; // 0x0d
+            case NotEqualPtg.sid:     return NotEqualPtg.instance;    // 0x0e
+            case IntersectionPtg.sid: return IntersectionPtg.instance;// 0x0f
+            case UnionPtg.sid:        return UnionPtg.instance;       // 0x10
+            case RangePtg.sid:        return RangePtg.instance;       // 0x11
+            case UnaryPlusPtg.sid:    return UnaryPlusPtg.instance;   // 0x12
+            case UnaryMinusPtg.sid:   return UnaryMinusPtg.instance;  // 0x13
+            case PercentPtg.sid:      return PercentPtg.instance;     // 0x14
+            case ParenthesisPtg.sid:  return ParenthesisPtg.instance; // 0x15
+            case MissingArgPtg.sid:   return MissingArgPtg.instance;  // 0x16
+
+            case StringPtg.sid:       return new StringPtg(in);       // 0x17
+            // not implemented yet: case SxNamePtg.sid:       return new SxNamePtg(in);       // 0x18
+            case AttrPtg.sid:         return new AttrPtg(in);         // 0x19
+            case ErrPtg.sid:          return ErrPtg.read(in);         // 0x1c
+            case BoolPtg.sid:         return BoolPtg.read(in);        // 0x1d
+            case IntPtg.sid:          return new IntPtg(in);          // 0x1e
+            case NumberPtg.sid:       return new NumberPtg(in);       // 0x1f
+        }
+        throw new RuntimeException("Unexpected base token id (" + id + ")");
+    }
+
+    private static Ptg[] toPtgArray(List<Ptg> l) {
+        if (l.isEmpty()) {
+            return EMPTY_PTG_ARRAY;
+        }
+        Ptg[] result = new Ptg[l.size()];
+        l.toArray(result);
+        return result;
+    }
+    /**
+     * This method will return the same result as {@link #getEncodedSizeWithoutArrayData(Ptg[])}
+     * if there are no array tokens present.
+     * @return the full size taken to encode the specified {@code Ptg}s
+     */
+    public static int getEncodedSize(Ptg[] ptgs) {
+        int result = 0;
+        for (Ptg ptg : ptgs) {
+            result += ptg.getSize();
+        }
+        return result;
+    }
+    /**
+     * Used to calculate value that should be encoded at the start of the encoded Ptg token array;
+     * @return the size of the encoded Ptg tokens not including any trailing array data.
+     */
+    public static int getEncodedSizeWithoutArrayData(Ptg[] ptgs) {
+        int result = 0;
+        for (Ptg ptg : ptgs) {
+            if (ptg instanceof ArrayPtg) {
+                result += ArrayPtg.PLAIN_TOKEN_SIZE;
+            } else {
+                result += ptg.getSize();
+            }
+        }
+        return result;
+    }
+    /**
+     * Writes the ptgs to the data buffer, starting at the specified offset.
+     *
+     * <br>
+     * The 2 byte encode length field is <b>not</b> written by this method.
+     * @return number of bytes written
+     */
+    public static int serializePtgs(Ptg[] ptgs, byte[] array, int offset) {
+        LittleEndianByteArrayOutputStream out = new LittleEndianByteArrayOutputStream(array, offset); // NOSONAR
+
+        List<Ptg> arrayPtgs = null;
+
+        for (Ptg ptg : ptgs) {
+            ptg.write(out);
+            if (ptg instanceof ArrayPtg) {
+                if (arrayPtgs == null) {
+                    arrayPtgs = new ArrayList<>(5);
+                }
+                arrayPtgs.add(ptg);
+            }
+        }
+        if (arrayPtgs != null) {
+            for (Ptg arrayPtg : arrayPtgs) {
+                ArrayPtg p = (ArrayPtg) arrayPtg;
+                p.writeTokenValueBytes(out);
+            }
+        }
+        return out.getWriteIndex() - offset;
+    }
+
+    /**
+     * @return the encoded length of this Ptg, including the initial Ptg type identifier byte.
+     */
+    public abstract int getSize();
+
+    public abstract void write(LittleEndianOutput out);
+
+    /**
+     * return a string representation of this token alone
+     */
+    public abstract String toFormulaString();
+
+    @Override
+    public final String toString() {
+        return GenericRecordJsonWriter.marshal(this);
+    }
+
+    public final void setClass(byte thePtgClass) {
+        if (isBaseToken()) {
+            throw new RuntimeException("setClass should not be called on a base token");
+        }
+        ptgClass = thePtgClass;
+    }
+
+    /**
+     *  @return the 'operand class' (REF/VALUE/ARRAY) for this Ptg
+     */
+    public final byte getPtgClass() {
+        return ptgClass;
+    }
+
+    /**
+     * Debug / diagnostic method to get this token's 'operand class' type.
+     * @return 'R' for 'reference', 'V' for 'value', 'A' for 'array' and '.' for base tokens
+     */
+    public final char getRVAType() {
+        if (isBaseToken()) {
+            return '.';
+        }
+        switch (ptgClass) {
+            case Ptg.CLASS_REF:   return 'R';
+            case Ptg.CLASS_VALUE: return 'V';
+            case Ptg.CLASS_ARRAY: return 'A';
+        }
+        throw new RuntimeException("Unknown operand class (" + ptgClass + ")");
+    }
+
+    public abstract byte getDefaultOperandClass();
+
+    /**
+     * @return {@code false} if this token is classified as 'reference', 'value', or 'array'
+     */
+    public abstract boolean isBaseToken();
+
+    public static boolean doesFormulaReferToDeletedCell(Ptg[] ptgs) {
+        for (Ptg ptg : ptgs) {
+            if (isDeletedCellRef(ptg)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    private static boolean isDeletedCellRef(Ptg ptg) {
+        if (ptg == ErrPtg.REF_INVALID) {
+            return true;
+        }
+        if (ptg instanceof DeletedArea3DPtg) {
+            return true;
+        }
+        if (ptg instanceof DeletedRef3DPtg) {
+            return true;
+        }
+        if (ptg instanceof AreaErrPtg) {
+            return true;
+        }
+        return ptg instanceof RefErrorPtg;
+    }
+
+    @Override
+    public abstract Ptg copy();
+
+    /**
+     * @return structure id of the parsed thing, or {@code -1} if the record has no sid
+     */
+    public abstract byte getSid();
 }

Modified: poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/RangePtg.java
URL: http://svn.apache.org/viewvc/poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/RangePtg.java?rev=1890120&r1=1890119&r2=1890120&view=diff
==============================================================================
--- poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/RangePtg.java (original)
+++ poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/RangePtg.java Sat May 22 20:56:44 2021
@@ -27,7 +27,7 @@ public final class RangePtg  extends Ope
     public static final RangePtg instance = new RangePtg();
 
     private RangePtg() {
-    	// enforce singleton
+        // enforce singleton
     }
 
     @Override

Modified: poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/Ref2DPtgBase.java
URL: http://svn.apache.org/viewvc/poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/Ref2DPtgBase.java?rev=1890120&r1=1890119&r2=1890120&view=diff
==============================================================================
--- poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/Ref2DPtgBase.java (original)
+++ poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/ptg/Ref2DPtgBase.java Sat May 22 20:56:44 2021
@@ -22,41 +22,41 @@ import org.apache.poi.util.LittleEndianI
 import org.apache.poi.util.LittleEndianOutput;
 
 abstract class Ref2DPtgBase extends RefPtgBase {
-	private static final int SIZE = 5;
+    private static final int SIZE = 5;
 
-	protected Ref2DPtgBase(int row, int column, boolean isRowRelative, boolean isColumnRelative) {
-		setRow(row);
-		setColumn(column);
-		setRowRelative(isRowRelative);
-		setColRelative(isColumnRelative);
-	}
+    protected Ref2DPtgBase(int row, int column, boolean isRowRelative, boolean isColumnRelative) {
+        setRow(row);
+        setColumn(column);
+        setRowRelative(isRowRelative);
+        setColRelative(isColumnRelative);
+    }
 
-	protected Ref2DPtgBase(Ref2DPtgBase other)  {
-		super(other);
-	}
+    protected Ref2DPtgBase(Ref2DPtgBase other)  {
+        super(other);
+    }
 
 
-	protected Ref2DPtgBase(LittleEndianInput in)  {
-		readCoordinates(in);
-	}
+    protected Ref2DPtgBase(LittleEndianInput in)  {
+        readCoordinates(in);
+    }
 
-	protected Ref2DPtgBase(CellReference cr) {
-		super(cr);
-	}
+    protected Ref2DPtgBase(CellReference cr) {
+        super(cr);
+    }
 
-	@Override
+    @Override
     public void write(LittleEndianOutput out) {
-		out.writeByte(getSid() + getPtgClass());
-		writeCoordinates(out);
-	}
+        out.writeByte(getSid() + getPtgClass());
+        writeCoordinates(out);
+    }
 
-	@Override
+    @Override
     public final String toFormulaString() {
-		return formatReferenceAsString();
-	}
+        return formatReferenceAsString();
+    }
 
-	@Override
+    @Override
     public final int getSize() {
-		return SIZE;
-	}
+        return SIZE;
+    }
 }



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