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@@ -21,19 +21,29 @@ import java.util.Arrays; |
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import org.apache.poi.util.Internal; |
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import org.apache.poi.util.LittleEndian; |
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import org.apache.poi.util.POILogFactory; |
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import org.apache.poi.util.POILogger; |
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/** |
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* "List LeVeL (on File) (LVLF)" |
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* |
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* See page 170 for details. |
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* "The LVL structure contains formatting information about a specific level in |
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* a list. When a paragraph is formatted as part of this level, each placeholder |
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* in xst is replaced with the inherited level number of the most recent or |
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* current paragraph in the same list that is in the zero-based level specified |
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* by that placeholder. The level number that replaces a placeholder is |
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* formatted according to the lvlf.nfc of the LVL structure that corresponds to |
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* the level that the placeholder specifies, unless the lvlf.fLegal of this LVL |
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* structure is nonzero." -- Page 388 of 621 -- [MS-DOC] -- v20110315 Word |
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* (.doc) Binary File Format |
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*/ |
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@Internal |
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public final class ListLevel |
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{ |
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private static final POILogger logger = POILogFactory.getLogger( ListLevel.class ); |
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private byte[] _grpprlChpx; |
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private byte[] _grpprlPapx; |
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private LVLF _lvlf; |
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private char[] _numberText = null; |
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private char[] _xst = {}; |
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public ListLevel( final byte[] buf, final int originalOffset ) |
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{ |
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@@ -50,20 +60,49 @@ public final class ListLevel |
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System.arraycopy( buf, offset, _grpprlChpx, 0, _lvlf.getCbGrpprlChpx() ); |
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offset += _lvlf.getCbGrpprlChpx(); |
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int numberTextLength = LittleEndian.getShort( buf, offset ); |
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/* sometimes numberTextLength<0 */ |
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/* by derjohng */ |
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if ( numberTextLength > 0 ) |
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/* |
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* "If this level uses bullets (see lvlf.nfc), the cch field of this Xst |
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* MUST be equal to 0x0001, and this MUST NOT contain any placeholders." |
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* -- page 389 of 621 -- [MS-DOC] -- v20110315 Word (.doc) Binary File |
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* Format |
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*/ |
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if ( _lvlf.getNfc() == 0x17 ) |
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{ |
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_numberText = new char[numberTextLength]; |
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int numberTextLength = LittleEndian.getShort( buf, offset ); |
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offset += LittleEndian.SHORT_SIZE; |
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for ( int x = 0; x < numberTextLength; x++ ) |
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if ( numberTextLength != 1 ) |
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{ |
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_numberText[x] = (char) LittleEndian.getShort( buf, offset ); |
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offset += LittleEndian.SHORT_SIZE; |
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logger.log( POILogger.WARN, "LVL at offset ", |
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Integer.valueOf( originalOffset ), |
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" has nfc == 0x17 (bullets), but cch != 1 (", |
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Integer.valueOf( numberTextLength ), ")" ); |
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} |
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_xst = new char[] { (char) LittleEndian.getShort( buf, offset ) }; |
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offset += LittleEndian.SHORT_SIZE; |
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} |
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else |
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{ |
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int numberTextLength = LittleEndian.getShort( buf, offset ); |
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offset += LittleEndian.SHORT_SIZE; |
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if ( numberTextLength > 0 ) |
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{ |
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_xst = new char[numberTextLength]; |
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for ( int x = 0; x < numberTextLength; x++ ) |
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{ |
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_xst[x] = (char) LittleEndian.getShort( buf, offset ); |
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offset += LittleEndian.SHORT_SIZE; |
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} |
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} |
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else |
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{ |
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/* sometimes numberTextLength<0 */ |
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/* by derjohng */ |
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_xst = new char[] {}; |
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} |
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} |
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} |
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public ListLevel( int level, boolean numbered ) |
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@@ -72,16 +111,15 @@ public final class ListLevel |
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setStartAt( 1 ); |
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_grpprlPapx = new byte[0]; |
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_grpprlChpx = new byte[0]; |
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_numberText = new char[0]; |
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if ( numbered ) |
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{ |
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_lvlf.getRgbxchNums()[0] = 1; |
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_numberText = new char[] { (char) level, '.' }; |
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_xst = new char[] { (char) level, '.' }; |
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} |
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else |
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{ |
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_numberText = new char[] { '\u2022' }; |
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_xst = new char[] { '\u2022' }; |
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} |
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} |
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@@ -94,7 +132,7 @@ public final class ListLevel |
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_lvlf.setJc( (byte) alignment ); |
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_grpprlChpx = numberProperties; |
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_grpprlPapx = entryProperties; |
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_numberText = numberText.toCharArray(); |
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_xst = numberText.toCharArray(); |
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} |
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public boolean equals( Object obj ) |
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@@ -106,7 +144,7 @@ public final class ListLevel |
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return lvl._lvlf.equals( this._lvlf ) |
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&& Arrays.equals( lvl._grpprlChpx, _grpprlChpx ) |
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&& Arrays.equals( lvl._grpprlPapx, _grpprlPapx ) |
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&& Arrays.equals( lvl._numberText, _numberText ); |
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&& Arrays.equals( lvl._xst, _xst ); |
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} |
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/** |
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@@ -142,21 +180,17 @@ public final class ListLevel |
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public String getNumberText() |
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{ |
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if ( _numberText == null ) |
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if ( _xst.length < 2 ) |
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return null; |
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return new String( _numberText ); |
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return new String( _xst, 0, _xst.length - 1 ); |
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} |
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public int getSizeInBytes() |
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{ |
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int result = LVLF.getSize() + _lvlf.getCbGrpprlChpx() |
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+ _lvlf.getCbGrpprlPapx() + 2; // numberText length |
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if ( _numberText != null ) |
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{ |
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result += _numberText.length * LittleEndian.SHORT_SIZE; |
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} |
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return result; |
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return LVLF.getSize() + _lvlf.getCbGrpprlChpx() |
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+ _lvlf.getCbGrpprlPapx() + LittleEndian.SHORT_SIZE |
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+ _xst.length * LittleEndian.SHORT_SIZE; |
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} |
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public int getStartAt() |
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@@ -190,7 +224,6 @@ public final class ListLevel |
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public void setNumberProperties( byte[] grpprl ) |
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{ |
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_grpprlChpx = grpprl; |
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} |
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public void setStartAt( int startAt ) |
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@@ -218,21 +251,25 @@ public final class ListLevel |
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System.arraycopy( _grpprlChpx, 0, buf, offset, _grpprlChpx.length ); |
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offset += _grpprlChpx.length; |
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if ( _numberText == null ) |
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if ( _lvlf.getNfc() == 0x17 ) |
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{ |
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// TODO - write junit to test this flow |
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LittleEndian.putUShort( buf, offset, 0 ); |
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LittleEndian.putUShort( buf, offset, 1 ); |
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offset += LittleEndian.SHORT_SIZE; |
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LittleEndian.putUShort( buf, offset, _xst[0] ); |
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offset += LittleEndian.SHORT_SIZE; |
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} |
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else |
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{ |
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LittleEndian.putUShort( buf, offset, _numberText.length ); |
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LittleEndian.putUShort( buf, offset, _xst.length ); |
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offset += LittleEndian.SHORT_SIZE; |
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for ( int x = 0; x < _numberText.length; x++ ) |
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for ( char c : _xst ) |
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{ |
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LittleEndian.putUShort( buf, offset, _numberText[x] ); |
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LittleEndian.putUShort( buf, offset, c ); |
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offset += LittleEndian.SHORT_SIZE; |
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} |
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} |
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return buf; |
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} |
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