first commit

hrmsEjb/jxl/biff/formula/Area.java

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+package jxl.biff.formula;
+
+import common.Assert;
+import common.Logger;
+import jxl.biff.CellReferenceHelper;
+import jxl.biff.IntegerHelper;
+
+class Area extends Operand implements ParsedThing {
+  private static Logger logger = Logger.getLogger(Area.class);
+  
+  private int columnFirst;
+  
+  private int rowFirst;
+  
+  private int columnLast;
+  
+  private int rowLast;
+  
+  private boolean columnFirstRelative;
+  
+  private boolean rowFirstRelative;
+  
+  private boolean columnLastRelative;
+  
+  private boolean rowLastRelative;
+  
+  Area() {}
+  
+  Area(String s) {
+    int seppos = s.indexOf(":");
+    Assert.verify((seppos != -1));
+    String startcell = s.substring(0, seppos);
+    String endcell = s.substring(seppos + 1);
+    this.columnFirst = CellReferenceHelper.getColumn(startcell);
+    this.rowFirst = CellReferenceHelper.getRow(startcell);
+    this.columnLast = CellReferenceHelper.getColumn(endcell);
+    this.rowLast = CellReferenceHelper.getRow(endcell);
+    this.columnFirstRelative = CellReferenceHelper.isColumnRelative(startcell);
+    this.rowFirstRelative = CellReferenceHelper.isRowRelative(startcell);
+    this.columnLastRelative = CellReferenceHelper.isColumnRelative(endcell);
+    this.rowLastRelative = CellReferenceHelper.isRowRelative(endcell);
+  }
+  
+  int getFirstColumn() {
+    return this.columnFirst;
+  }
+  
+  int getFirstRow() {
+    return this.rowFirst;
+  }
+  
+  int getLastColumn() {
+    return this.columnLast;
+  }
+  
+  int getLastRow() {
+    return this.rowLast;
+  }
+  
+  public int read(byte[] data, int pos) {
+    this.rowFirst = IntegerHelper.getInt(data[pos], data[pos + 1]);
+    this.rowLast = IntegerHelper.getInt(data[pos + 2], data[pos + 3]);
+    int columnMask = IntegerHelper.getInt(data[pos + 4], data[pos + 5]);
+    this.columnFirst = columnMask & 0xFF;
+    this.columnFirstRelative = ((columnMask & 0x4000) != 0);
+    this.rowFirstRelative = ((columnMask & 0x8000) != 0);
+    columnMask = IntegerHelper.getInt(data[pos + 6], data[pos + 7]);
+    this.columnLast = columnMask & 0xFF;
+    this.columnLastRelative = ((columnMask & 0x4000) != 0);
+    this.rowLastRelative = ((columnMask & 0x8000) != 0);
+    return 8;
+  }
+  
+  public void getString(StringBuffer buf) {
+    CellReferenceHelper.getCellReference(this.columnFirst, this.rowFirst, buf);
+    buf.append(':');
+    CellReferenceHelper.getCellReference(this.columnLast, this.rowLast, buf);
+  }
+  
+  byte[] getBytes() {
+    byte[] data = new byte[9];
+    data[0] = !useAlternateCode() ? Token.AREA.getCode() : Token.AREA.getCode2();
+    IntegerHelper.getTwoBytes(this.rowFirst, data, 1);
+    IntegerHelper.getTwoBytes(this.rowLast, data, 3);
+    int grcol = this.columnFirst;
+    if (this.rowFirstRelative)
+      grcol |= 0x8000; 
+    if (this.columnFirstRelative)
+      grcol |= 0x4000; 
+    IntegerHelper.getTwoBytes(grcol, data, 5);
+    grcol = this.columnLast;
+    if (this.rowLastRelative)
+      grcol |= 0x8000; 
+    if (this.columnLastRelative)
+      grcol |= 0x4000; 
+    IntegerHelper.getTwoBytes(grcol, data, 7);
+    return data;
+  }
+  
+  public void adjustRelativeCellReferences(int colAdjust, int rowAdjust) {
+    if (this.columnFirstRelative)
+      this.columnFirst += colAdjust; 
+    if (this.columnLastRelative)
+      this.columnLast += colAdjust; 
+    if (this.rowFirstRelative)
+      this.rowFirst += rowAdjust; 
+    if (this.rowLastRelative)
+      this.rowLast += rowAdjust; 
+  }
+  
+  void columnInserted(int sheetIndex, int col, boolean currentSheet) {
+    if (!currentSheet)
+      return; 
+    if (col <= this.columnFirst)
+      this.columnFirst++; 
+    if (col <= this.columnLast)
+      this.columnLast++; 
+  }
+  
+  void columnRemoved(int sheetIndex, int col, boolean currentSheet) {
+    if (!currentSheet)
+      return; 
+    if (col < this.columnFirst)
+      this.columnFirst--; 
+    if (col <= this.columnLast)
+      this.columnLast--; 
+  }
+  
+  void rowInserted(int sheetIndex, int row, boolean currentSheet) {
+    if (!currentSheet)
+      return; 
+    if (this.rowLast == 65535)
+      return; 
+    if (row <= this.rowFirst)
+      this.rowFirst++; 
+    if (row <= this.rowLast)
+      this.rowLast++; 
+  }
+  
+  void rowRemoved(int sheetIndex, int row, boolean currentSheet) {
+    if (!currentSheet)
+      return; 
+    if (this.rowLast == 65535)
+      return; 
+    if (row < this.rowFirst)
+      this.rowFirst--; 
+    if (row <= this.rowLast)
+      this.rowLast--; 
+  }
+  
+  protected void setRangeData(int colFirst, int colLast, int rwFirst, int rwLast, boolean colFirstRel, boolean colLastRel, boolean rowFirstRel, boolean rowLastRel) {
+    this.columnFirst = colFirst;
+    this.columnLast = colLast;
+    this.rowFirst = rwFirst;
+    this.rowLast = rwLast;
+    this.columnFirstRelative = colFirstRel;
+    this.columnLastRelative = colLastRel;
+    this.rowFirstRelative = rowFirstRel;
+    this.rowLastRelative = rowLastRel;
+  }
+}