add TOC support
git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1189145 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Sergey Vladimirov
parent
5badcee102
commit
5cba03af8e
@ -78,6 +78,13 @@ public abstract class AbstractWordConverter
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this.structure = field;
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}
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Structure( int start, int end )
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{
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this.start = start;
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this.end = end;
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this.structure = null;
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}
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public int compareTo( Structure o )
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{
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return start < o.start ? -1 : start == o.start ? 0 : 1;
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@ -102,6 +109,15 @@ public abstract class AbstractWordConverter
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private static final POILogger logger = POILogFactory
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.getLogger( AbstractWordConverter.class );
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private static final Pattern PATTERN_HYPERLINK_EXTERNAL = Pattern
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.compile( "^[ \\t\\r\\n]*HYPERLINK \"(.*)\".*$" );
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private static final Pattern PATTERN_HYPERLINK_LOCAL = Pattern
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.compile( "^[ \\t\\r\\n]*HYPERLINK \\\\l \"(.*)\"[ ](.*)$" );
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private static final Pattern PATTERN_PAGEREF = Pattern
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.compile( "^[ \\t\\r\\n]*PAGEREF ([^ ]*)[ \\t\\r\\n]*\\\\h.*$" );
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private static final byte SPECCHAR_AUTONUMBERED_FOOTNOTE_REFERENCE = 2;
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private static final byte SPECCHAR_DRAWN_OBJECT = 8;
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@ -291,17 +307,38 @@ public abstract class AbstractWordConverter
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}
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// TODO: dead fields?
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int skipUntil = -1;
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for ( int c = 0; c < range.numCharacterRuns(); c++ )
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{
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CharacterRun characterRun = range.getCharacterRun( c );
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if ( characterRun == null )
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throw new AssertionError();
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if ( characterRun.getStartOffset() < skipUntil )
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continue;
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String text = characterRun.text();
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if ( text == null || text.length() == 0
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|| text.charAt( 0 ) != FIELD_BEGIN_MARK )
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continue;
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Field aliveField = ( (HWPFDocument) wordDocument ).getFields()
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.getFieldByStartOffset( FieldsDocumentPart.MAIN,
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characterRun.getStartOffset() );
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if ( aliveField != null )
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{
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addToStructures( structures, new Structure( aliveField ) );
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skipUntil = aliveField.getFieldEndOffset() + 1;
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}
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else
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{
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int[] separatorEnd = tryDeadField_lookupFieldSeparatorEnd(
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wordDocument, range, c );
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if ( separatorEnd != null )
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{
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addToStructures( structures, new Structure(
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characterRun.getStartOffset(),
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separatorEnd[1] + 1 ) );
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c = separatorEnd[1];
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}
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}
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}
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}
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@ -562,6 +599,39 @@ public abstract class AbstractWordConverter
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Element currentBlock, Range range, int currentTableLevel,
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int beginMark, int separatorMark, int endMark )
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{
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if ( beginMark + 1 < separatorMark && separatorMark + 1 < endMark )
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{
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Range formulaRange = new Range( range.getCharacterRun(
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beginMark + 1 ).getStartOffset(), range.getCharacterRun(
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separatorMark - 1 ).getEndOffset(), range )
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{
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@Override
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public String toString()
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{
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return "Dead field formula subrange: " + super.toString();
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}
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};
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Range valueRange = new Range( range.getCharacterRun(
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separatorMark + 1 ).getStartOffset(), range
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.getCharacterRun( endMark - 1 ).getEndOffset(), range )
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{
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@Override
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public String toString()
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{
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return "Dead field value subrange: " + super.toString();
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}
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};
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String formula = formulaRange.text();
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final Matcher matcher = PATTERN_HYPERLINK_LOCAL.matcher( formula );
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if ( matcher.matches() )
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{
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String localref = matcher.group( 1 );
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processPageref( wordDocument, currentBlock, valueRange,
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currentTableLevel, localref );
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return;
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}
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}
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StringBuilder debug = new StringBuilder( "Unsupported field type: \n" );
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for ( int i = beginMark; i <= endMark; i++ )
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{
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@ -706,9 +776,7 @@ public abstract class AbstractWordConverter
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if ( firstSubrange != null )
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{
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String formula = firstSubrange.text();
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Pattern pagerefPattern = Pattern
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.compile( "[ \\t\\r\\n]*PAGEREF ([^ ]*)[ \\t\\r\\n]*\\\\h[ \\t\\r\\n]*" );
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Matcher matcher = pagerefPattern.matcher( formula );
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Matcher matcher = PATTERN_PAGEREF.matcher( formula );
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if ( matcher.find() )
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{
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String pageref = matcher.group( 1 );
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@ -756,10 +824,8 @@ public abstract class AbstractWordConverter
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if ( firstSubrange != null )
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{
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String formula = firstSubrange.text();
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Pattern hyperlinkPattern = Pattern
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.compile( "[ \\t\\r\\n]*HYPERLINK \"(.*)\"[ \\t\\r\\n]*" );
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Matcher matcher = hyperlinkPattern.matcher( formula );
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if ( matcher.find() )
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Matcher matcher = PATTERN_HYPERLINK_EXTERNAL.matcher( formula );
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if ( matcher.matches() )
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{
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String hyperlink = matcher.group( 1 );
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processHyperlink( wordDocument, currentBlock,
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@ -767,6 +833,30 @@ public abstract class AbstractWordConverter
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currentTableLevel, hyperlink );
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return;
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}
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matcher.usePattern( PATTERN_HYPERLINK_LOCAL );
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if ( matcher.matches() )
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{
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String hyperlink = matcher.group( 1 );
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Range textRange = null;
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String text = matcher.group( 2 );
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if ( AbstractWordUtils.isNotEmpty( text ) )
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{
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textRange = new Range( firstSubrange.getStartOffset()
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+ matcher.start( 2 ),
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firstSubrange.getStartOffset()
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+ matcher.end( 2 ), firstSubrange )
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{
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@Override
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public String toString()
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{
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return "Local hyperlink text";
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}
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};
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}
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processPageref( wordDocument, currentBlock, textRange,
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currentTableLevel, hyperlink );
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return;
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}
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}
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break;
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}
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@ -817,13 +907,13 @@ public abstract class AbstractWordConverter
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}
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protected abstract void processImage( Element currentBlock,
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boolean inlined, Picture picture, String url );
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@Internal
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protected abstract void processImageWithoutPicturesManager(
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Element currentBlock, boolean inlined, Picture picture );
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protected abstract void processImage( Element currentBlock,
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boolean inlined, Picture picture, String url );
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protected abstract void processLineBreak( Element block,
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CharacterRun characterRun );
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@ -1021,6 +1111,20 @@ public abstract class AbstractWordConverter
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protected int tryDeadField( HWPFDocumentCore wordDocument, Range range,
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int currentTableLevel, int beginMark, Element currentBlock )
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{
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int[] separatorEnd = tryDeadField_lookupFieldSeparatorEnd(
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wordDocument, range, beginMark );
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if ( separatorEnd == null )
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return beginMark;
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processDeadField( wordDocument, currentBlock, range, currentTableLevel,
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beginMark, separatorEnd[0], separatorEnd[1] );
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return separatorEnd[1];
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}
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private int[] tryDeadField_lookupFieldSeparatorEnd(
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HWPFDocumentCore wordDocument, Range range, int beginMark )
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{
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int separatorMark = -1;
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int endMark = -1;
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@ -1032,28 +1136,24 @@ public abstract class AbstractWordConverter
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if ( text.getBytes().length == 0 )
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continue;
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if ( text.getBytes()[0] == FIELD_BEGIN_MARK )
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final byte firstByte = text.getBytes()[0];
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if ( firstByte == FIELD_BEGIN_MARK )
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{
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// nested?
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Field possibleField = processDeadField( wordDocument, range,
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currentTableLevel, characterRun.getStartOffset(),
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currentBlock );
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if ( possibleField != null )
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int[] nested = tryDeadField_lookupFieldSeparatorEnd(
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wordDocument, range, c );
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if ( nested != null )
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{
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c = possibleField.getFieldEndOffset();
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}
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else
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{
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continue;
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c = nested[1];
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}
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continue;
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}
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if ( text.getBytes()[0] == FIELD_SEPARATOR_MARK )
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if ( firstByte == FIELD_SEPARATOR_MARK )
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{
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if ( separatorMark != -1 )
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{
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// double;
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return beginMark;
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// double; incorrect format
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return null;
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}
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separatorMark = c;
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@ -1065,22 +1165,18 @@ public abstract class AbstractWordConverter
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if ( endMark != -1 )
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{
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// double;
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return beginMark;
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return null;
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}
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endMark = c;
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break;
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}
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}
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if ( separatorMark == -1 || endMark == -1 )
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return beginMark;
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return null;
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processDeadField( wordDocument, currentBlock, range, currentTableLevel,
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beginMark, separatorMark, endMark );
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return endMark;
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return new int[] { separatorMark, endMark };
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}
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}
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