private final List _list;
private int _nextIndex;
private int _countRead;
+ private final int _endIx;
- public RecordStream(List inputList, int startIndex) {
+ /**
+ * Creates a RecordStream bounded by startIndex and endIndex
+ */
+ public RecordStream(List inputList, int startIndex, int endIx) {
_list = inputList;
_nextIndex = startIndex;
+ _endIx = endIx;
_countRead = 0;
}
+ public RecordStream(List records, int startIx) {
+ this(records, startIx, records.size());
+ }
+
public boolean hasNext() {
- return _nextIndex < _list.size();
+ return _nextIndex < _endIx;
}
public Record getNext() {
- if(_nextIndex >= _list.size()) {
+ if(!hasNext()) {
throw new RuntimeException("Attempt to read past end of record stream");
}
_countRead ++;
* @return the {@link Class} of the next Record. <code>null</code> if this stream is exhausted.
*/
public Class peekNextClass() {
- if(_nextIndex >= _list.size()) {
+ if(!hasNext()) {
return null;
}
return _list.get(_nextIndex).getClass();
}
+ /**
+ * @return -1 if at end of records
+ */
public int peekNextSid() {
- if(_nextIndex >= _list.size()) {
+ if(!hasNext()) {
return -1;
}
return ((Record)_list.get(_nextIndex)).getSid();
package org.apache.poi.hssf.record;
+import java.util.Arrays;
import java.util.List;
-import java.util.Stack;
import org.apache.poi.hssf.record.formula.Ptg;
import org.apache.poi.util.BitField;
import org.apache.poi.util.BitFieldFactory;
+import org.apache.poi.util.HexDump;
import org.apache.poi.util.LittleEndian;
/**
* @version 2.0-pre
*/
public final class FormulaRecord extends Record implements CellValueRecordInterface {
-
+
public static final short sid = 0x0006; // docs say 406...because of a bug Microsoft support site article #Q184647)
+ private static int FIXED_SIZE = 22;
private static final BitField alwaysCalc = BitFieldFactory.getInstance(0x0001);
private static final BitField calcOnLoad = BitFieldFactory.getInstance(0x0002);
- private static final BitField sharedFormula = BitFieldFactory.getInstance(0x0008);
+ private static final BitField sharedFormula = BitFieldFactory.getInstance(0x0008);
- private int field_1_row;
+ private int field_1_row;
private short field_2_column;
private short field_3_xf;
private double field_4_value;
private short field_5_options;
private int field_6_zero;
- private short field_7_expression_len;
- private Stack field_8_parsed_expr;
-
+ private Ptg[] field_8_parsed_expr;
+
/**
* Since the NaN support seems sketchy (different constants) we'll store and spit it out directly
*/
- private byte[] value_data;
- private byte[] all_data; //if formula support is not enabled then
- //we'll just store/reserialize
+ private byte[] value_data;
/** Creates new FormulaRecord */
- public FormulaRecord()
- {
- field_8_parsed_expr = new Stack();
+ public FormulaRecord() {
+ field_8_parsed_expr = Ptg.EMPTY_PTG_ARRAY;
}
/**
* Constructs a Formula record and sets its fields appropriately.
- * Note - id must be 0x06 (NOT 0x406 see MSKB #Q184647 for an
+ * Note - id must be 0x06 (NOT 0x406 see MSKB #Q184647 for an
* "explanation of this bug in the documentation) or an exception
* will be throw upon validation
*
* @param in the RecordInputstream to read the record from
*/
- public FormulaRecord(RecordInputStream in)
- {
+ public FormulaRecord(RecordInputStream in) {
super(in);
}
- protected void fillFields(RecordInputStream in)
- {
- try {
+ protected void fillFields(RecordInputStream in) {
field_1_row = in.readUShort();
field_2_column = in.readShort();
field_3_xf = in.readShort();
field_4_value = in.readDouble();
field_5_options = in.readShort();
-
+
if (Double.isNaN(field_4_value)) {
value_data = in.getNANData();
}
-
+
field_6_zero = in.readInt();
- field_7_expression_len = in.readShort();
- field_8_parsed_expr = Ptg.createParsedExpressionTokens(field_7_expression_len, in);
- } catch (java.lang.UnsupportedOperationException uoe) {
- throw new RecordFormatException(uoe);
- }
+ int field_7_expression_len = in.readShort(); // this length does not include any extra array data
+ field_8_parsed_expr = Ptg.readTokens(field_7_expression_len, in);
if (in.remaining() == 10) {
// TODO - this seems to occur when IntersectionPtg is present
// 10 extra bytes are just 0x01 and 0x00
}
}
- //public void setRow(short row)
- public void setRow(int row)
- {
+ public void setRow(int row) {
field_1_row = row;
}
- public void setColumn(short column)
- {
+ public void setColumn(short column) {
field_2_column = column;
}
- public void setXFIndex(short xf)
- {
+ public void setXFIndex(short xf) {
field_3_xf = xf;
}
*
* @param value calculated value
*/
-
- public void setValue(double value)
- {
+ public void setValue(double value) {
field_4_value = value;
}
*
* @param options bitmask
*/
-
- public void setOptions(short options)
- {
+ public void setOptions(short options) {
field_5_options = options;
}
- /**
- * set the length (in number of tokens) of the expression
- * @param len length
- */
-
- public void setExpressionLength(short len)
- {
- field_7_expression_len = len;
- }
-
- //public short getRow()
- public int getRow()
- {
+ public int getRow() {
return field_1_row;
}
- public short getColumn()
- {
+ public short getColumn() {
return field_2_column;
}
- public short getXFIndex()
- {
+ public short getXFIndex() {
return field_3_xf;
}
*
* @return calculated value
*/
- public double getValue()
- {
+ public double getValue() {
return field_4_value;
}
*
* @return bitmask
*/
- public short getOptions()
- {
+ public short getOptions() {
return field_5_options;
- }
-
+ }
+
public boolean isSharedFormula() {
return sharedFormula.isSet(field_5_options);
}
public void setSharedFormula(boolean flag) {
- field_5_options =
- sharedFormula.setShortBoolean(field_5_options, flag);
+ field_5_options =
+ sharedFormula.setShortBoolean(field_5_options, flag);
}
-
+
public boolean isAlwaysCalc() {
- return alwaysCalc.isSet(field_5_options);
+ return alwaysCalc.isSet(field_5_options);
}
public void setAlwaysCalc(boolean flag) {
- field_5_options =
- alwaysCalc.setShortBoolean(field_5_options, flag);
+ field_5_options =
+ alwaysCalc.setShortBoolean(field_5_options, flag);
}
-
+
public boolean isCalcOnLoad() {
- return calcOnLoad.isSet(field_5_options);
+ return calcOnLoad.isSet(field_5_options);
}
public void setCalcOnLoad(boolean flag) {
- field_5_options =
- calcOnLoad.setShortBoolean(field_5_options, flag);
- }
-
- /**
- * get the length (in number of tokens) of the expression
- * @return expression length
- */
-
- public short getExpressionLength()
- {
- return field_7_expression_len;
- }
-
- /**
- * push a token onto the stack
- *
- * @param ptg the token
- */
-
- public void pushExpressionToken(Ptg ptg)
- {
- field_8_parsed_expr.push(ptg);
- }
-
- /**
- * pop a token off of the stack
- *
- * @return Ptg - the token
- */
-
- public Ptg popExpressionToken()
- {
- return ( Ptg ) field_8_parsed_expr.pop();
- }
-
- /**
- * peek at the token on the top of stack
- *
- * @return Ptg - the token
- */
-
- public Ptg peekExpressionToken()
- {
- return ( Ptg ) field_8_parsed_expr.peek();
+ field_5_options =
+ calcOnLoad.setShortBoolean(field_5_options, flag);
}
/**
* get the size of the stack
* @return size of the stack
*/
-
- public int getNumberOfExpressionTokens()
- {
- if (this.field_8_parsed_expr == null) {
- return 0;
- } else {
- return field_8_parsed_expr.size();
- }
+ public int getNumberOfExpressionTokens() {
+ return field_8_parsed_expr.length;
}
/**
- * get the stack as a list
- *
- * @return list of tokens (casts stack to a list and returns it!)
- * this method can return null is we are unable to create Ptgs from
- * existing excel file
- * callers should check for null!
+ * @return list of formula tokens. never <code>null</code>
*/
-
- public List getParsedExpression()
- {
- return field_8_parsed_expr;
+ public List getParsedExpression() {
+ return Arrays.asList(field_8_parsed_expr); // TODO - return array
}
-
- public void setParsedExpression(Stack ptgs) {
- field_8_parsed_expr = ptgs;
+
+ public void setParsedExpression(Ptg[] ptgs) {
+ field_8_parsed_expr = ptgs;
}
/**
*
* @param id alleged id for this record
*/
-
- protected void validateSid(short id)
- {
- if (id != sid)
- {
+ protected void validateSid(short id) {
+ if (id != sid) {
throw new RecordFormatException("NOT A FORMULA RECORD");
}
}
- public short getSid()
- {
+ public short getSid() {
return sid;
}
- /**
- * called by the class that is responsible for writing this sucker.
- * Subclasses should implement this so that their data is passed back in a
- * byte array.
- *
- * @return byte array containing instance data
- */
+ private int getDataSize() {
+ return FIXED_SIZE + Ptg.getEncodedSize(field_8_parsed_expr);
+ }
+ public int serialize(int offset, byte [] data) {
- public int serialize(int offset, byte [] data)
- {
- if (this.field_8_parsed_expr != null) {
- int ptgSize = getTotalPtgSize();
+ int dataSize = getDataSize();
LittleEndian.putShort(data, 0 + offset, sid);
- LittleEndian.putShort(data, 2 + offset, ( short ) (22 + ptgSize));
- //LittleEndian.putShort(data, 4 + offset, getRow());
- LittleEndian.putShort(data, 4 + offset, ( short ) getRow());
+ LittleEndian.putUShort(data, 2 + offset, dataSize);
+ LittleEndian.putUShort(data, 4 + offset, getRow());
LittleEndian.putShort(data, 6 + offset, getColumn());
LittleEndian.putShort(data, 8 + offset, getXFIndex());
-
+
//only reserialize if the value is still NaN and we have old nan data
- if (Double.isNaN(this.getValue()) && value_data != null) {
- System.arraycopy(value_data,0,data,10 + offset,value_data.length);
+ if (Double.isNaN(getValue()) && value_data != null) {
+ System.arraycopy(value_data,0,data,10 + offset,value_data.length);
} else {
- LittleEndian.putDouble(data, 10 + offset, field_4_value);
+ LittleEndian.putDouble(data, 10 + offset, field_4_value);
}
-
+
LittleEndian.putShort(data, 18 + offset, getOptions());
-
+
//when writing the chn field (offset 20), it's supposed to be 0 but ignored on read
//Microsoft Excel Developer's Kit Page 318
LittleEndian.putInt(data, 20 + offset, 0);
- LittleEndian.putShort(data, 24 + offset, getExpressionLength());
- Ptg.serializePtgStack(field_8_parsed_expr, data, 26+offset);
- } else {
- System.arraycopy(all_data,0,data,offset,all_data.length);
- }
- return getRecordSize();
+ int formulaTokensSize = Ptg.getEncodedSizeWithoutArrayData(field_8_parsed_expr);
+ LittleEndian.putUShort(data, 24 + offset, formulaTokensSize);
+ Ptg.serializePtgs(field_8_parsed_expr, data, 26+offset);
+ return 4 + dataSize;
}
-
-
-
-
- public int getRecordSize()
- {
- int retval =0;
-
- if (this.field_8_parsed_expr != null) {
- retval = getTotalPtgSize() + 26;
- } else {
- retval =all_data.length;
- }
- return retval;
- // return getTotalPtgSize() + 28;
- }
-
- private int getTotalPtgSize()
- {
- List list = getParsedExpression();
- int retval = 0;
-
- for (int k = 0; k < list.size(); k++)
- {
- Ptg ptg = ( Ptg ) list.get(k);
-
- retval += ptg.getSize();
- }
- return retval;
+ public int getRecordSize() {
+ return 4 + getDataSize();
}
- public boolean isInValueSection()
- {
+ public boolean isInValueSection() {
return true;
}
- public boolean isValue()
- {
+ public boolean isValue() {
return true;
}
-
- public String toString()
- {
- StringBuffer buffer = new StringBuffer();
- buffer.append("[FORMULA]\n");
- buffer.append(" .row = ")
- .append(Integer.toHexString(getRow())).append("\n");
- buffer.append(" .column = ")
- .append(Integer.toHexString(getColumn()))
- .append("\n");
- buffer.append(" .xf = ")
- .append(Integer.toHexString(getXFIndex())).append("\n");
- if (Double.isNaN(this.getValue()) && value_data != null)
- buffer.append(" .value (NaN) = ")
- .append(org.apache.poi.util.HexDump.dump(value_data,0,0))
- .append("\n");
- else
- buffer.append(" .value = ").append(getValue())
- .append("\n");
- buffer.append(" .options = ").append(getOptions())
- .append("\n");
- buffer.append(" .alwaysCalc = ").append(alwaysCalc.isSet(getOptions()))
- .append("\n");
- buffer.append(" .calcOnLoad = ").append(calcOnLoad.isSet(getOptions()))
- .append("\n");
- buffer.append(" .sharedFormula = ").append(sharedFormula.isSet(getOptions()))
- .append("\n");
- buffer.append(" .zero = ").append(field_6_zero)
- .append("\n");
- buffer.append(" .expressionlength= ").append(getExpressionLength())
- .append("\n");
-
- if (field_8_parsed_expr != null) {
- buffer.append(" .numptgsinarray = ").append(field_8_parsed_expr.size())
- .append("\n");
-
-
- for (int k = 0; k < field_8_parsed_expr.size(); k++ ) {
- buffer.append(" Ptg(")
- .append(k)
- .append(")=")
- .append(field_8_parsed_expr.get(k).toString())
- .append("\n")
- .append(((Ptg)field_8_parsed_expr.get(k)).toDebugString())
- .append("\n");
- }
- }else {
- buffer.append("Formula full data \n")
- .append(org.apache.poi.util.HexDump.dump(this.all_data,0,0));
- }
-
-
- buffer.append("[/FORMULA]\n");
- return buffer.toString();
+
+ public String toString() {
+
+ StringBuffer sb = new StringBuffer();
+ sb.append("[FORMULA]\n");
+ sb.append(" .row = ").append(HexDump.shortToHex(getRow())).append("\n");
+ sb.append(" .column = ").append(HexDump.shortToHex(getColumn())).append("\n");
+ sb.append(" .xf = ").append(HexDump.shortToHex(getXFIndex())).append("\n");
+ sb.append(" .value = ");
+ if (Double.isNaN(this.getValue()) && value_data != null) {
+ sb.append("(NaN)").append(HexDump.dump(value_data,0,0)).append("\n");
+ } else {
+ sb.append(getValue()).append("\n");
+ }
+ sb.append(" .options = ").append(HexDump.shortToHex(getOptions())).append("\n");
+ sb.append(" .alwaysCalc= ").append(alwaysCalc.isSet(getOptions())).append("\n");
+ sb.append(" .calcOnLoad= ").append(calcOnLoad.isSet(getOptions())).append("\n");
+ sb.append(" .shared = ").append(sharedFormula.isSet(getOptions())).append("\n");
+ sb.append(" .zero = ").append(HexDump.intToHex(field_6_zero)).append("\n");
+
+ for (int k = 0; k < field_8_parsed_expr.length; k++ ) {
+ sb.append(" Ptg[").append(k).append("]=");
+ sb.append(field_8_parsed_expr[k].toString()).append("\n");
+ }
+ sb.append("[/FORMULA]\n");
+ return sb.toString();
}
-
+
public Object clone() {
FormulaRecord rec = new FormulaRecord();
rec.field_1_row = field_1_row;
rec.field_4_value = field_4_value;
rec.field_5_options = field_5_options;
rec.field_6_zero = field_6_zero;
- rec.field_7_expression_len = field_7_expression_len;
- rec.field_8_parsed_expr = new Stack();
- int size = 0;
- if (field_8_parsed_expr != null)
- size = field_8_parsed_expr.size();
- for (int i=0; i< size; i++) {
- Ptg ptg = ((Ptg)field_8_parsed_expr.get(i)).copy();
- rec.field_8_parsed_expr.add(i, ptg);
+ int nTokens = field_8_parsed_expr.length;
+ Ptg[] ptgs = new Ptg[nTokens];
+ for (int i=0; i< nTokens; i++) {
+ ptgs[i] = field_8_parsed_expr[i].copy();
}
+ rec.field_8_parsed_expr = ptgs;
rec.value_data = value_data;
- rec.all_data = all_data;
return rec;
}
-
}
+
See the License for the specific language governing permissions and
limitations under the License.
==================================================================== */
-
+
package org.apache.poi.hssf.record;
+import java.util.List;
import java.util.Stack;
-import org.apache.poi.hssf.record.formula.*;
+import org.apache.poi.hssf.record.formula.AreaNPtg;
+import org.apache.poi.hssf.record.formula.AreaPtg;
+import org.apache.poi.hssf.record.formula.Ptg;
+import org.apache.poi.hssf.record.formula.RefNPtg;
+import org.apache.poi.hssf.record.formula.RefPtg;
/**
* Title: SharedFormulaRecord
* Description: Primarily used as an excel optimization so that multiple similar formulas
- * are not written out too many times. We should recognize this record and
+ * are not written out too many times. We should recognize this record and
* serialize as is since this is used when reading templates.
* <p>
* Note: the documentation says that the SID is BC where biffviewer reports 4BC. The hex dump shows
* @author Danny Mui at apache dot org
*/
public final class SharedFormulaRecord extends Record {
- public final static short sid = 0x4BC;
-
+ public final static short sid = 0x04BC;
+
private int field_1_first_row;
private int field_2_last_row;
private short field_3_first_column;
private short field_4_last_column;
private int field_5_reserved;
private short field_6_expression_len;
- private Stack field_7_parsed_expr;
+ private Stack field_7_parsed_expr;
public SharedFormulaRecord()
{
{
super(in);
}
-
+
protected void validateSid(short id)
{
if (id != this.sid)
{
throw new RecordFormatException("Not a valid SharedFormula");
- }
- }
-
+ }
+ }
+
public int getFirstRow() {
return field_1_first_row;
}
.append(field_7_parsed_expr.get(k).toString())
.append("\n");
}
-
+
buffer.append("[/SHARED FORMULA RECORD]\n");
return buffer.toString();
}
private Stack getParsedExpressionTokens(RecordInputStream in)
{
Stack stack = new Stack();
-
+
while (in.remaining() != 0) {
Ptg ptg = Ptg.createPtg(in);
stack.push(ptg);
return ((getFirstRow() <= formulaRow) && (getLastRow() >= formulaRow) &&
(getFirstColumn() <= formulaColumn) && (getLastColumn() >= formulaColumn));
}
-
+
/**
- * Creates a non shared formula from the shared formula
+ * Creates a non shared formula from the shared formula
* counter part
*/
protected static Stack convertSharedFormulas(Stack ptgs, int formulaRow, int formulaColumn) {
if(false) {
/*
- * TODO - (May-2008) Stop converting relative ref Ptgs in shared formula records.
+ * TODO - (May-2008) Stop converting relative ref Ptgs in shared formula records.
* If/when POI writes out the workbook, this conversion makes an unnecessary diff in the BIFF records.
* Disabling this code breaks one existing junit.
* Some fix-up will be required to make Ptg.toFormulaString(HSSFWorkbook) work properly.
if (!ptg.isBaseToken()) {
ptg.setClass(originalOperandClass);
}
-
+
newPtgStack.add(ptg);
}
return newPtgStack;
}
- /**
- * Creates a non shared formula from the shared formula
+ /**
+ * Creates a non shared formula from the shared formula
* counter part
*/
public void convertSharedFormulaRecord(FormulaRecord formula) {
//Sanity checks
- final int formulaRow = formula.getRow();
- final int formulaColumn = formula.getColumn();
- if (isFormulaInShared(formula)) {
- formula.setExpressionLength(getExpressionLength());
-
- Stack newPtgStack =
- convertSharedFormulas(field_7_parsed_expr, formulaRow, formulaColumn);
- formula.setParsedExpression(newPtgStack);
+ if (!isFormulaInShared(formula)) {
+ throw new RuntimeException("Shared Formula Conversion: Coding Error");
+ }
+ final int formulaRow = formula.getRow();
+ final int formulaColumn = formula.getColumn();
+
+ List ptgList = convertSharedFormulas(field_7_parsed_expr, formulaRow, formulaColumn);
+ Ptg[] ptgs = new Ptg[ptgList.size()];
+ ptgList.toArray(ptgs);
+ formula.setParsedExpression(ptgs);
//Now its not shared!
formula.setSharedFormula(false);
- } else {
- throw new RuntimeException("Shared Formula Conversion: Coding Error");
- }
}
private static int fixupRelativeColumn(int currentcolumn, int column, boolean relative) {
package org.apache.poi.hssf.record.aggregates;
+import org.apache.poi.hssf.model.RecordStream;
import org.apache.poi.hssf.record.CellValueRecordInterface;
import org.apache.poi.hssf.record.FormulaRecord;
+import org.apache.poi.hssf.record.SharedFormulaRecord;
import org.apache.poi.hssf.record.StringRecord;
+import org.apache.poi.hssf.record.TableRecord;
/**
* The formula record aggregate is used to join together the formula record and it's
*/
public final class FormulaRecordAggregate extends RecordAggregate implements CellValueRecordInterface {
- private FormulaRecord _formulaRecord;
+ private final FormulaRecord _formulaRecord;
+ /** caches the calculated result of the formula */
private StringRecord _stringRecord;
+ private TableRecord _tableRecord;
- public FormulaRecordAggregate( FormulaRecord formulaRecord, StringRecord stringRecord )
- {
+ public FormulaRecordAggregate(FormulaRecord formulaRecord) {
_formulaRecord = formulaRecord;
- _stringRecord = stringRecord;
+ _stringRecord = null;
}
-
- public void setStringRecord( StringRecord stringRecord ) {
- _stringRecord = stringRecord;
+ public FormulaRecordAggregate(FormulaRecord formulaRecord, RecordStream rs) {
+ _formulaRecord = formulaRecord;
+ Class nextClass = rs.peekNextClass();
+ if (nextClass == SharedFormulaRecord.class) {
+ // For (text) shared formulas, the SharedFormulaRecord comes before the StringRecord.
+ // In any case it is OK to skip SharedFormulaRecords because they were collected
+ // before constructing the ValueRecordsAggregate.
+ rs.getNext(); // skip the shared formula record
+ nextClass = rs.peekNextClass();
+ }
+ if (nextClass == StringRecord.class) {
+ _stringRecord = (StringRecord) rs.getNext();
+ } else if (nextClass == TableRecord.class) {
+ _tableRecord = (TableRecord) rs.getNext();
+ }
}
- public void setFormulaRecord( FormulaRecord formulaRecord )
- {
- _formulaRecord = formulaRecord;
+ public void setStringRecord(StringRecord stringRecord) {
+ _stringRecord = stringRecord;
+ _tableRecord = null; // probably can't have both present at the same time
+ // TODO - establish rules governing when each of these sub records may exist
}
- public FormulaRecord getFormulaRecord()
- {
+ public FormulaRecord getFormulaRecord() {
return _formulaRecord;
}
- public StringRecord getStringRecord()
- {
+ public StringRecord getStringRecord() {
return _stringRecord;
}
- public short getXFIndex()
- {
+ public short getXFIndex() {
return _formulaRecord.getXFIndex();
}
- public void setXFIndex(short xf)
- {
- _formulaRecord.setXFIndex( xf );
+ public void setXFIndex(short xf) {
+ _formulaRecord.setXFIndex(xf);
}
- public void setColumn(short col)
- {
- _formulaRecord.setColumn( col );
+ public void setColumn(short col) {
+ _formulaRecord.setColumn(col);
}
- public void setRow(int row)
- {
- _formulaRecord.setRow( row );
+ public void setRow(int row) {
+ _formulaRecord.setRow(row);
}
- public short getColumn()
- {
+ public short getColumn() {
return _formulaRecord.getColumn();
}
- public int getRow()
- {
+ public int getRow() {
return _formulaRecord.getRow();
}
public void visitContainedRecords(RecordVisitor rv) {
rv.visitRecord(_formulaRecord);
if (_stringRecord != null) {
- rv.visitRecord(_stringRecord);
+ rv.visitRecord(_stringRecord);
}
+ if (_tableRecord != null) {
+ rv.visitRecord(_tableRecord);
+ }
}
public String getStringValue() {
if (!rec.isValue()) {
throw new RuntimeException("Unexpected record type (" + rec.getClass().getName() + ")");
}
- i += _valuesAgg.construct(recs, i, endIx, sfh);
+ i += _valuesAgg.construct(recs, i, endIx, sfh)-1;
}
"".length();
}
import java.util.Iterator;
import java.util.List;
+import org.apache.poi.hssf.model.RecordStream;
import org.apache.poi.hssf.record.CellValueRecordInterface;
import org.apache.poi.hssf.record.DBCellRecord;
import org.apache.poi.hssf.record.FormulaRecord;
public void removeAllCellsValuesForRow(int rowIndex) {
if (rowIndex >= records.length) {
- throw new IllegalArgumentException("Specified rowIndex " + rowIndex
+ throw new IllegalArgumentException("Specified rowIndex " + rowIndex
+ " is outside the allowable range (0.." +records.length + ")");
}
records[rowIndex] = null;
}
-
+
public int getPhysicalNumberOfCells()
{
}
/**
- * Processes a sequential group of cell value records. Stops at endIx or the first
+ * Processes a sequential group of cell value records. Stops at endIx or the first
* non-value record encountered.
* @param sfh used to resolve any shared formulas for the current sheet
* @return the number of records consumed
*/
public int construct(List records, int offset, int endIx, SharedFormulaHolder sfh) {
- int k = 0;
+ RecordStream rs = new RecordStream(records, offset, endIx);
- FormulaRecordAggregate lastFormulaAggregate = null;
-
// Now do the main processing sweep
- for (k = offset; k < endIx; k++) {
- Record rec = ( Record ) records.get(k);
-
- if (rec instanceof StringRecord) {
- if (lastFormulaAggregate == null) {
- throw new RuntimeException("StringRecord found without preceding FormulaRecord");
- }
- if (lastFormulaAggregate.getStringRecord() != null) {
- throw new RuntimeException("Multiple StringRecords found after FormulaRecord");
- }
- lastFormulaAggregate.setStringRecord((StringRecord)rec);
- lastFormulaAggregate = null;
- continue;
- }
-
- if (rec instanceof TableRecord) {
- // TODO - don't loose this record
- // DATATABLE probably belongs in formula record aggregate
- if (lastFormulaAggregate == null) {
- throw new RuntimeException("No preceding formula record found");
- }
- lastFormulaAggregate = null;
- continue;
+ while (rs.hasNext()) {
+ Class recClass = rs.peekNextClass();
+ if (recClass == StringRecord.class) {
+ throw new RuntimeException("Loose StringRecord found without preceding FormulaRecord");
}
-
- if (rec instanceof SharedFormulaRecord) {
- // Already handled, not to worry
- continue;
+
+ if (recClass == TableRecord.class) {
+ throw new RuntimeException("Loose TableRecord found without preceding FormulaRecord");
}
- if (rec instanceof UnknownRecord) {
+ if (recClass == UnknownRecord.class) {
break;
}
- if (rec instanceof RowRecord) {
- break;
+ if (recClass == RowRecord.class) {
+ break;
}
- if (rec instanceof DBCellRecord) {
+ if (recClass == DBCellRecord.class) {
// end of 'Row Block'. This record is ignored by POI
break;
}
- if (rec instanceof MergeCellsRecord) {
+
+ Record rec = rs.getNext();
+
+ if (recClass == SharedFormulaRecord.class) {
+ // Already handled, not to worry
+ continue;
+ }
+ if (recClass == MergeCellsRecord.class) {
// doesn't really belong here
// can safely be ignored, because it has been processed in a higher method
continue;
}
+
if (!rec.isValue()) {
throw new RuntimeException("bad record type");
}
if (formula.isSharedFormula()) {
sfh.convertSharedFormulaRecord(formula);
}
-
- lastFormulaAggregate = new FormulaRecordAggregate((FormulaRecord)rec, null);
- insertCell( lastFormulaAggregate );
+
+ insertCell(new FormulaRecordAggregate((FormulaRecord)rec, rs));
continue;
}
insertCell(( CellValueRecordInterface ) rec);
}
- return k - offset - 1;
+ return rs.getCountRead();
}
/** Tallies a count of the size of the cell records
/** Returns true if the row has cells attached to it */
public boolean rowHasCells(int row) {
- if (row > records.length-1) //previously this said row > records.length which means if
+ if (row > records.length-1) //previously this said row > records.length which means if
return false; // if records.length == 60 and I pass "60" here I get array out of bounds
CellValueRecordInterface[] rowCells=records[row]; //because a 60 length array has the last index = 59
if(rowCells==null) return false;
}
return pos - offset;
}
-
+
public int visitCellsForRow(int rowIndex, RecordVisitor rv) {
int result = 0;
CellValueRecordInterface[] cellRecs = records[rowIndex];
public CellValueRecordInterface[] getValueRecords() {
List temp = new ArrayList();
-
+
for (int i = 0; i < records.length; i++) {
CellValueRecordInterface[] rowCells = records[i];
if (rowCells == null) {
}
}
}
-
+
CellValueRecordInterface[] result = new CellValueRecordInterface[temp.size()];
temp.toArray(result);
return result;
{
return new MyIterator();
}
-
+
private final class MyIterator implements Iterator {
short nextColumn=-1;
int nextRow,lastRow;
this.lastRow=records.length-1;
findNext();
}
-
+
public MyIterator(int firstRow,int lastRow)
{
this.nextRow=firstRow;
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;
// TODO - fix up field visibility and subclasses
private byte[] field_1_reserved;
public int writeTokenValueBytes(byte[] data, int offset) {
LittleEndian.putByte(data, offset + 0, token_1_columns-1);
- LittleEndian.putShort(data, offset + 1, (short)(token_2_rows-1));
+ LittleEndian.putUShort(data, offset + 1, token_2_rows-1);
ConstantValueParser.encode(data, offset + 3, token_3_arrayValues);
return 3 + ConstantValueParser.getEncodedSize(token_3_arrayValues);
}
}
/** This size includes the size of the array Ptg plus the Array Ptg Token value size*/
- public int getSize()
- {
- int size = 1+7+1+2;
- size += ConstantValueParser.getEncodedSize(token_3_arrayValues);
- return size;
+ public int getSize() {
+ return PLAIN_TOKEN_SIZE
+ // data written after the all tokens:
+ + 1 + 2 // column, row
+ + ConstantValueParser.getEncodedSize(token_3_arrayValues);
}
public String toFormulaString(HSSFWorkbook book)
}
throw new RuntimeException("Unexpected base token id (" + id + ")");
}
- /**
- *
- *
- */
- public static int getEncodedSize(Stack ptgs) {
- return getEncodedSize(toPtgArray(ptgs));
- }
/**
* @return a distinct copy of this <tt>Ptg</tt> if the class is mutable, or the same instance
* if the class is immutable.
}
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 <tt>Ptg</tt>s
+ */
// TODO - several duplicates of this code should be refactored here
public static int getEncodedSize(Ptg[] ptgs) {
int result = 0;
}
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 (int i = 0; i < ptgs.length; i++) {
+ Ptg ptg = ptgs[i];
+ 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.
*
if (cellType != this.cellType)
{
- frec = new FormulaRecordAggregate(new FormulaRecord(),null);
+ frec = new FormulaRecordAggregate(new FormulaRecord());
}
else
{
int row=record.getRow();
short col=record.getColumn();
short styleIndex=record.getXFIndex();
- //Workbook.currentBook=book;
- if (formula==null) {
- setCellType(CELL_TYPE_BLANK,false,row,col,styleIndex);
- } else {
- setCellType(CELL_TYPE_FORMULA,false,row,col,styleIndex);
- FormulaRecordAggregate rec = (FormulaRecordAggregate) record;
- FormulaRecord frec = rec.getFormulaRecord();
- frec.setOptions(( short ) 2);
- frec.setValue(0);
-
- //only set to default if there is no extended format index already set
- if (rec.getXFIndex() == (short)0) rec.setXFIndex(( short ) 0x0f);
- Ptg[] ptgs = FormulaParser.parse(formula, book);
- int size = 0;
-
- // clear the Ptg Stack
- for (int i=0, iSize=frec.getNumberOfExpressionTokens(); i<iSize; i++) {
- frec.popExpressionToken();
- }
- // fill the Ptg Stack with Ptgs of new formula
- for (int k = 0; k < ptgs.length; k++) {
- size += ptgs[ k ].getSize();
- frec.pushExpressionToken(ptgs[ k ]);
- }
- rec.getFormulaRecord().setExpressionLength(( short ) size);
- //Workbook.currentBook = null;
+ if (formula==null) {
+ setCellType(CELL_TYPE_BLANK, false, row, col, styleIndex);
+ return;
}
+ setCellType(CELL_TYPE_FORMULA, false, row, col, styleIndex);
+ FormulaRecordAggregate rec = (FormulaRecordAggregate) record;
+ FormulaRecord frec = rec.getFormulaRecord();
+ frec.setOptions((short) 2);
+ frec.setValue(0);
+
+ //only set to default if there is no extended format index already set
+ if (rec.getXFIndex() == (short)0) {
+ rec.setXFIndex((short) 0x0f);
+ }
+ Ptg[] ptgs = FormulaParser.parse(formula, book);
+ frec.setParsedExpression(ptgs);
}
public String getCellFormula() {
- //Workbook.currentBook=book;
- String retval = FormulaParser.toFormulaString(book, ((FormulaRecordAggregate)record).getFormulaRecord().getParsedExpression());
- //Workbook.currentBook=null;
- return retval;
+ return FormulaParser.toFormulaString(book, ((FormulaRecordAggregate)record).getFormulaRecord().getParsedExpression());
}
-
/* ====================================================================
Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements. See the NOTICE file distributed with
See the License for the specific language governing permissions and
limitations under the License.
==================================================================== */
-
package org.apache.poi.util;
-import java.io.*;
+import java.io.BufferedInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.io.PrintStream;
import java.text.DecimalFormat;
/**
* @author Marc Johnson
* @author Glen Stampoultzis (glens at apache.org)
*/
-
-public class HexDump
-{
- public static final String EOL =
- System.getProperty("line.separator");
-// private static final StringBuffer _lbuffer = new StringBuffer(8);
-// private static final StringBuffer _cbuffer = new StringBuffer(2);
- private static final char _hexcodes[] =
- {
- '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D',
- 'E', 'F'
- };
- private static final int _shifts[] =
+public class HexDump {
+ public static final String EOL = System.getProperty("line.separator");
+ private static final char _hexcodes[] = "0123456789ABCDEF".toCharArray();
+ private static final int _shifts[] =
{
60, 56, 52, 48, 44, 40, 36, 32, 28, 24, 20, 16, 12, 8, 4, 0
};
-
- // all static methods, so no need for a public constructor
- private HexDump()
- {
+ private HexDump() {
+ // all static methods, so no need for a public constructor
}
/**
* @exception IllegalArgumentException if the output stream is
* null
*/
- public synchronized static void dump(final byte [] data, final long offset,
+ public static void dump(final byte [] data, final long offset,
final OutputStream stream, final int index, final int length)
throws IOException, ArrayIndexOutOfBoundsException,
IllegalArgumentException
byte[] data = buf.toByteArray();
dump(data, 0, out, start, data.length);
}
+ /**
+ * @return char array of uppercase hex chars, zero padded and prefixed with '0x'
+ */
+ private static char[] toHexChars(long pValue, int nBytes) {
+ int charPos = 2 + nBytes*2;
+ // The return type is char array because most callers will probably append the value to a
+ // StringBuffer, or write it to a Stream / Writer so there is no need to create a String;
+ char[] result = new char[charPos];
+
+ long value = pValue;
+ do {
+ result[--charPos] = _hexcodes[(int) (value & 0x0F)];
+ value >>>= 4;
+ } while (charPos > 1);
+
+ // Prefix added to avoid ambiguity
+ result[0] = '0';
+ result[1] = 'x';
+ return result;
+ }
+ /**
+ * @return char array of 4 (zero padded) uppercase hex chars and prefixed with '0x'
+ */
+ public static char[] longToHex(long value) {
+ return toHexChars(value, 8);
+ }
+ /**
+ * @return char array of 4 (zero padded) uppercase hex chars and prefixed with '0x'
+ */
+ public static char[] intToHex(int value) {
+ return toHexChars(value, 4);
+ }
+ /**
+ * @return char array of 2 (zero padded) uppercase hex chars and prefixed with '0x'
+ */
+ public static char[] shortToHex(int value) {
+ return toHexChars(value, 2);
+ }
+ /**
+ * @return char array of 1 (zero padded) uppercase hex chars and prefixed with '0x'
+ */
+ public static char[] byteToHex(int value) {
+ return toHexChars(value, 1);
+ }
public static void main(String[] args) throws Exception {
File file = new File(args[0]);
FormulaRecord f = new FormulaRecord();
StringRecord s = new StringRecord();
s.setString("abc");
- FormulaRecordAggregate fagg = new FormulaRecordAggregate(f,s);
+ FormulaRecordAggregate fagg = new FormulaRecordAggregate(f);
+ fagg.setStringRecord(s);
assertEquals("abc", fagg.getStringValue());
}
}
if(false && cellRef.equals("BP24")) { // TODO - replace System.out.println()s with asserts
System.out.print(cellRef);
System.out.println(" - has " + r.getNumberOfExpressionTokens()
- + " ptgs over " + r.getExpressionLength() + " tokens:");
+ + " ptgs:");
for(int i=0; i<ptgs.size(); i++) {
String c = ptgs.get(i).getClass().toString();
System.out.println("\t" + c.substring(c.lastIndexOf('.')+1) );
-
/* ====================================================================
Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements. See the NOTICE file distributed with
See the License for the specific language governing permissions and
limitations under the License.
==================================================================== */
-
package org.apache.poi.util;
-import junit.framework.*;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
-import java.io.*;
+import junit.framework.TestCase;
/**
* @author Glen Stampoultzis (glens at apache.org)
* @author Marc Johnson (mjohnson at apache dot org)
*/
+public final class TestHexDump extends TestCase {
-public class TestHexDump
- extends TestCase
-{
-
- /**
- * Creates new TestHexDump
- *
- * @param name
- */
-
- public TestHexDump(String name)
- {
- super(name);
- }
-
- private char toHex(final int n)
- {
- char[] hexChars =
- {
- '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C',
- 'D', 'E', 'F'
- };
- return hexChars[ n % 16 ];
+ private static char toHex(int n) {
+ return Character.toUpperCase(Character.forDigit(n & 0x0F, 16));
}
- /**
- * test dump method
- *
- * @exception IOException
- */
-
- public void testDump()
- throws IOException
- {
+ public void testDump() throws IOException {
byte[] testArray = new byte[ 256 ];
for (int j = 0; j < 256; j++)
// verify proper behavior with negative index
try
{
- HexDump.dump(testArray, 0x10000000, new ByteArrayOutputStream(),
- -1);
+ HexDump.dump(testArray, 0x10000000, new ByteArrayOutputStream(), -1);
fail("should have caught ArrayIndexOutOfBoundsException on negative index");
}
catch (ArrayIndexOutOfBoundsException ignored_exception)
}
- public void testToHex()
- throws Exception
- {
- assertEquals( "000A", HexDump.toHex((short)0xA));
- assertEquals( "0A", HexDump.toHex((byte)0xA));
- assertEquals( "0000000A", HexDump.toHex(0xA));
+ public void testToHex() {
+ assertEquals("000A", HexDump.toHex((short)0xA));
+ assertEquals("0A", HexDump.toHex((byte)0xA));
+ assertEquals("0000000A", HexDump.toHex(0xA));
- assertEquals( "FFFF", HexDump.toHex((short)0xFFFF));
+ assertEquals("FFFF", HexDump.toHex((short)0xFFFF));
+
+ confirmStr("0xFE", HexDump.byteToHex(-2));
+ confirmStr("0x25", HexDump.byteToHex(37));
+ confirmStr("0xFFFE", HexDump.shortToHex(-2));
+ confirmStr("0x0005", HexDump.shortToHex(5));
+ confirmStr("0xFFFFFF9C", HexDump.intToHex(-100));
+ confirmStr("0x00001001", HexDump.intToHex(4097));
+ confirmStr("0xFFFFFFFFFFFF0006", HexDump.longToHex(-65530));
+ confirmStr("0x0000000000003FCD", HexDump.longToHex(16333));
+ }
+ private static void confirmStr(String expected, char[] actualChars) {
+ assertEquals(expected, new String(actualChars));
}
- private char toAscii(final int c)
- {
+ private static char toAscii(int c) {
char rval = '.';
- if ((c >= 32) && (c <= 126))
- {
+ if (c >= 32 && c <= 126) {
rval = ( char ) c;
}
return rval;
}
-
- /**
- * main method to run the unit tests
- *
- * @param ignored_args
- */
-
- public static void main(String [] ignored_args)
- {
- System.out.println("Testing util.HexDump functionality");
- junit.textui.TestRunner.run(TestHexDump.class);
- }
}