[bug-66614] remove limit on offset function params

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1910049 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/poi/src/main/java/org/apache/poi/ss/formula/functions/Offset.java b/poi/src/main/java/org/apache/poi/ss/formula/functions/Offset.java
index cd77d72..b37eb3b 100644
--- a/poi/src/main/java/org/apache/poi/ss/formula/functions/Offset.java
+++ b/poi/src/main/java/org/apache/poi/ss/formula/functions/Offset.java
@@ -17,6 +17,7 @@
 
 package org.apache.poi.ss.formula.functions;
 
+import org.apache.poi.ss.SpreadsheetVersion;
 import org.apache.poi.ss.formula.eval.AreaEval;
 import org.apache.poi.ss.formula.eval.ErrorEval;
 import org.apache.poi.ss.formula.eval.EvaluationException;
@@ -39,10 +40,6 @@
  * <b>width</b> (default same width as base reference) is the column count for the returned area reference.<br>
  */
 public final class Offset implements Function {
-    // These values are specific to BIFF8
-    private static final int LAST_VALID_ROW_INDEX = 0xFFFF;
-    private static final int LAST_VALID_COLUMN_INDEX = 0xFF;
-
 
     /**
      * A one dimensional base + offset.  Represents either a row range or a column range.
@@ -199,10 +196,10 @@
         LinearOffsetRange absRows = orRow.normaliseAndTranslate(baseRef.getFirstRowIndex());
         LinearOffsetRange absCols = orCol.normaliseAndTranslate(baseRef.getFirstColumnIndex());
 
-        if(absRows.isOutOfBounds(0, LAST_VALID_ROW_INDEX)) {
+        if(absRows.isOutOfBounds(0, SpreadsheetVersion.EXCEL2007.getLastRowIndex())) {
             throw new EvaluationException(ErrorEval.REF_INVALID);
         }
-        if(absCols.isOutOfBounds(0, LAST_VALID_COLUMN_INDEX)) {
+        if(absCols.isOutOfBounds(0, SpreadsheetVersion.EXCEL2007.getLastColumnIndex())) {
             throw new EvaluationException(ErrorEval.REF_INVALID);
         }
         return baseRef.offset(orRow.getFirstIndex(), orRow.getLastIndex(), orCol.getFirstIndex(), orCol.getLastIndex());
diff --git a/poi/src/main/java/org/apache/poi/ss/util/CellReference.java b/poi/src/main/java/org/apache/poi/ss/util/CellReference.java
index 0e8ea7d..1749878 100644
--- a/poi/src/main/java/org/apache/poi/ss/util/CellReference.java
+++ b/poi/src/main/java/org/apache/poi/ss/util/CellReference.java
@@ -93,10 +93,6 @@
      * digits or dot.  (They can even end in dot).
      */
     private static final Pattern NAMED_RANGE_NAME_PATTERN = Pattern.compile("[_A-Z][_.A-Z0-9]*", Pattern.CASE_INSENSITIVE);
-    //private static final String BIFF8_LAST_COLUMN = SpreadsheetVersion.EXCEL97.getLastColumnName();
-    //private static final int BIFF8_LAST_COLUMN_TEXT_LEN = BIFF8_LAST_COLUMN.length();
-    //private static final String BIFF8_LAST_ROW = String.valueOf(SpreadsheetVersion.EXCEL97.getMaxRows());
-    //private static final int BIFF8_LAST_ROW_TEXT_LEN = BIFF8_LAST_ROW.length();
 
     // FIXME: _sheetName may be null, depending on the entry point.
     // Perhaps it would be better to declare _sheetName is never null, using an empty string to represent a 2D reference.