Start to support CF12 headers for #58130

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1690494 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/poi/hssf/dev/BiffViewer.java

@@ -180,6 +180,7 @@ public final class BiffViewer {
 			case BottomMarginRecord.sid:   return new BottomMarginRecord(in);
 			case BoundSheetRecord.sid:     return new BoundSheetRecord(in);
 			case CFHeaderRecord.sid:       return new CFHeaderRecord(in);
+            case CFHeader12Record.sid:     return new CFHeader12Record(in);
 			case CFRuleRecord.sid:         return new CFRuleRecord(in);
 			case CalcCountRecord.sid:      return new CalcCountRecord(in);
 			case CalcModeRecord.sid:       return new CalcModeRecord(in);

src/java/org/apache/poi/hssf/record/CFHeader12Record.java

@@ -0,0 +1,75 @@
+/* ====================================================================
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may not use this file except in compliance with
+   the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+==================================================================== */
+
+package org.apache.poi.hssf.record;
+
+import org.apache.poi.hssf.record.common.FtrHeader;
+import org.apache.poi.ss.util.CellRangeAddress;
+import org.apache.poi.util.LittleEndianOutput;
+
+/**
+ * Conditional Formatting Header v12 record CFHEADER12 (0x0879),
+ *  for conditional formattings introduced in Excel 2007 and newer.
+ */
+public final class CFHeader12Record extends CFHeaderRecord {
+    public static final short sid = 0x0879;
+
+    private FtrHeader futureHeader;
+
+    /** Creates new CFHeaderRecord */
+    public CFHeader12Record() {
+        super();
+        futureHeader = new FtrHeader();
+        futureHeader.setRecordType(sid);
+    }
+    public CFHeader12Record(CellRangeAddress[] regions, int nRules) {
+        super(regions, nRules);
+        futureHeader = new FtrHeader();
+        futureHeader.setRecordType(sid);
+    }
+
+	public CFHeader12Record(RecordInputStream in)
+	{
+	    futureHeader = new FtrHeader(in);
+	    read(in);
+	}
+
+	@Override
+	protected String getRecordName() {
+        return "CFHEADER12";
+    }
+	
+    protected int getDataSize() {
+		return FtrHeader.getDataSize() + super.getDataSize();
+	}
+	
+	public void serialize(LittleEndianOutput out) {
+	    futureHeader.serialize(out);
+	    super.serialize(out);
+	}
+
+	public short getSid() {
+		return sid;
+	}
+
+	public Object clone() {
+		CFHeader12Record result = new CFHeader12Record();
+		result.futureHeader = (FtrHeader)futureHeader.clone();
+		// TODO Clone the rest via the base
+		return result;
+	}
+}

src/java/org/apache/poi/hssf/record/CFHeaderRecord.java

@@ -26,12 +26,13 @@ import org.apache.poi.util.LittleEndianOutput;
  * Conditional Formatting Header record CFHEADER (0x01B0).
  * Used to describe a {@link CFRuleRecord}.
  * @see CFHeader12Record
+ * TODO Move most of the logic into a base class
  */
-public final class CFHeaderRecord extends StandardRecord {
+public class CFHeaderRecord extends StandardRecord {
 	public static final short sid = 0x01B0;
 
 	private int field_1_numcf;
-	private int field_2_need_recalculation;
+	private int field_2_need_recalculation_and_id;
 	private CellRangeAddress field_3_enclosing_cell_range;
 	private CellRangeAddressList field_4_cell_ranges;
 
@@ -47,40 +48,51 @@ public final class CFHeaderRecord extends StandardRecord {
 		field_1_numcf = nRules;
 	}
 
-	public CFHeaderRecord(RecordInputStream in)
+	public CFHeaderRecord(RecordInputStream in) {
-	{
+	    read(in);
+	}
+	protected void read(RecordInputStream in) {
 		field_1_numcf = in.readShort();
-		field_2_need_recalculation = in.readShort();
+		field_2_need_recalculation_and_id = in.readShort();
 		field_3_enclosing_cell_range = new CellRangeAddress(in);
 		field_4_cell_ranges = new CellRangeAddressList(in);
 	}
 	
-	public int getNumberOfConditionalFormats()
+	public int getNumberOfConditionalFormats() {
-	{
 		return field_1_numcf;
 	}
-	public void setNumberOfConditionalFormats(int n)
+	public void setNumberOfConditionalFormats(int n) {
-	{
 		field_1_numcf=n;
 	}
 	
-	public boolean getNeedRecalculation()
+	public boolean getNeedRecalculation() {
-	{
+	    // Held on the 1st bit
-		return field_2_need_recalculation==1?true:false;
+	    return field_2_need_recalculation_and_id % 2 == 1;
+	}
+	public void setNeedRecalculation(boolean b) {
+	    // held on the first bit
+	    if (b == getNeedRecalculation()) return;
+	    if (b) field_2_need_recalculation_and_id++;
+	    else   field_2_need_recalculation_and_id--;
 	}
 	
-	public void setNeedRecalculation(boolean b)
+	public int getID()
 	{
-		field_2_need_recalculation=b?1:0;
+	    // Remaining 15 bits of field 2
+	    return field_2_need_recalculation_and_id>>1;
+	}
+	public void setID(int id)
+	{
+        // Remaining 15 bits of field 2
+	    boolean needsRecalc = getNeedRecalculation();
+	    field_2_need_recalculation_and_id = (id<<1);
+	    if (needsRecalc) field_2_need_recalculation_and_id++;
 	}
 	
-	public CellRangeAddress getEnclosingCellRange()
+	public CellRangeAddress getEnclosingCellRange() {
-	{
 		return field_3_enclosing_cell_range;
 	}
-
+	public void setEnclosingCellRange(CellRangeAddress cr) {
-	public void setEnclosingCellRange(CellRangeAddress cr)
-	{
 		field_3_enclosing_cell_range = cr;
 	}
 
@@ -89,8 +101,7 @@ public final class CFHeaderRecord extends StandardRecord {
 	 * modify the enclosing cell range accordingly.
 	 * @param cellRanges - list of CellRange objects
 	 */
-	public void setCellRanges(CellRangeAddress[] cellRanges)
+	public void setCellRanges(CellRangeAddress[] cellRanges) {
-	{
 		if(cellRanges == null)
 		{
 			throw new IllegalArgumentException("cellRanges must not be null");
@@ -111,11 +122,13 @@ public final class CFHeaderRecord extends StandardRecord {
 		return field_4_cell_ranges.getCellRangeAddresses();
 	}
 
-	public String toString()
+	protected String getRecordName() {
-	{
+	    return "CFHEADER";
+	}
+	public String toString() {
 		StringBuffer buffer = new StringBuffer();
 
-		buffer.append("[CFHEADER]\n");
+		buffer.append("[").append(getRecordName()).append("]\n");
 		buffer.append("	.id		= ").append(Integer.toHexString(sid)).append("\n");
 		buffer.append("	.numCF			= ").append(getNumberOfConditionalFormats()).append("\n");
 		buffer.append("	.needRecalc	   = ").append(getNeedRecalculation()).append("\n");
@@ -126,7 +139,7 @@ public final class CFHeaderRecord extends StandardRecord {
 			buffer.append(i==0?"":",").append(field_4_cell_ranges.getCellRangeAddress(i).toString());
 		}
 		buffer.append("]\n");
-		buffer.append("[/CFHEADER]\n");
+		buffer.append("[/").append(getRecordName()).append("]\n");
 		return buffer.toString();
 	}
 
@@ -137,9 +150,8 @@ public final class CFHeaderRecord extends StandardRecord {
 	}
 	
 	public void serialize(LittleEndianOutput out) {
-
 		out.writeShort(field_1_numcf);
-		out.writeShort(field_2_need_recalculation);
+		out.writeShort(field_2_need_recalculation_and_id);
 		field_3_enclosing_cell_range.serialize(out);
 		field_4_cell_ranges.serialize(out);
 	}
@@ -148,11 +160,10 @@ public final class CFHeaderRecord extends StandardRecord {
 		return sid;
 	}
 
-	public Object clone() 
+	public Object clone() {
-	{
 		CFHeaderRecord result = new CFHeaderRecord();
 		result.field_1_numcf = field_1_numcf;
-		result.field_2_need_recalculation = field_2_need_recalculation;
+		result.field_2_need_recalculation_and_id = field_2_need_recalculation_and_id;
 		result.field_3_enclosing_cell_range = field_3_enclosing_cell_range;
 		result.field_4_cell_ranges = field_4_cell_ranges.copy();
 		return result;

src/java/org/apache/poi/hssf/record/RecordFactory.java

@@ -155,6 +155,7 @@ public final class RecordFactory {
 		CalcCountRecord.class,
 		CalcModeRecord.class,
 		CFHeaderRecord.class,
+        CFHeader12Record.class,
 		CFRuleRecord.class,
 		ChartRecord.class,
 		ChartTitleFormatRecord.class,

src/java/org/apache/poi/hssf/record/common/FtrHeader.java

@@ -32,7 +32,7 @@ public final class FtrHeader {
 	private short recordType;
 	/** This is a FrtFlags */
 	private short grbitFrt;
-	/** MUST be 8 bytes and all zero */
+	/** MUST be 8 bytes and all zero TODO Correct this! */
 	private byte[] reserved;
 
 	public FtrHeader() {
@@ -86,4 +86,12 @@ public final class FtrHeader {
 	public void setReserved(byte[] reserved) {
 		this.reserved = reserved;
 	}
+	
+	public Object clone() {
+	    FtrHeader result = new FtrHeader();
+	    result.recordType = recordType;
+	    result.grbitFrt = grbitFrt;
+	    result.reserved = reserved;
+	    return result;
+	}
 }