Package com.openhtmltopdf.bidi

Class ParagraphSplitter.Paragraph

java.lang.Object

com.openhtmltopdf.bidi.ParagraphSplitter.Paragraph

Direct Known Subclasses:

ParagraphSplitter.FakeParagraph

Enclosing class:

ParagraphSplitter

public static class ParagraphSplitter.Paragraph
extends Object

A paragraph object collects the text of one paragraph. That is the text in a block element wiht possible holes from BIDI isolation tags. This text is then used to run the Unicode BIDI algorithm splitting text up into runs of LTR and RTL text.

Field Summary

Fields

Modifier and Type	Field	Description
private byte	actualDirection
private final StringBuilder	builder
protected final IdentValue	cssDirection
private final TreeMap<Integer,BidiTextRun>	splitPoints
protected final Map<Text,Integer>	textRuns

Constructor Summary

Constructors

Modifier	Constructor	Description
private	Paragraph(IdentValue direction)
private	Paragraph(IdentValue direction, boolean isLiveImplementation)

Method Summary

Modifier and Type	Method	Description
protected void	add(String text, Text textNode)	Here we add a textnode and its postion to a list.
private void	copySplitPointsFromBidiSplitter(BidiSplitter splitter)	Here we copy the split points from the BIDI processor to our tree map for easy access.
byte	getActualDirection()
IdentValue	getCSSDirection()
int	getFirstCharIndexInParagraph(Text text)
BidiTextRun	nextSplit(int startIndexInParagraph)
BidiTextRun	prevSplit(int startIndexInParagraph)
protected void	runBidiSplitter(BidiSplitter splitter, LayoutContext c)	Here we call out to the actual BIDI algorithm.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

builder

private final StringBuilder builder

splitPoints

private final TreeMap<Integer,BidiTextRun> splitPoints

textRuns

protected final Map<Text,Integer> textRuns

cssDirection

protected final IdentValue cssDirection

actualDirection

private byte actualDirection

Constructor Details

Paragraph

private Paragraph(IdentValue direction)

Paragraph

private Paragraph(IdentValue direction,
 boolean isLiveImplementation)

Method Details

add

protected void add(String text,
 Text textNode)

Here we add a textnode and its postion to a list. We also build the paragraph string.

runBidiSplitter

protected void runBidiSplitter(BidiSplitter splitter,
 LayoutContext c)

Here we call out to the actual BIDI algorithm.

getFirstCharIndexInParagraph

public int getFirstCharIndexInParagraph(Text text)

Returns:

the first char index into this paragraph from a Text node or -1 if not available.

copySplitPointsFromBidiSplitter

private void copySplitPointsFromBidiSplitter(BidiSplitter splitter)

Here we copy the split points from the BIDI processor to our tree map for easy access.

nextSplit

public BidiTextRun nextSplit(int startIndexInParagraph)

Returns:

the BidiTextRun that starts at or above startIndexInPararagraph.

prevSplit

public BidiTextRun prevSplit(int startIndexInParagraph)

Returns:

the BidiTextRun that starts at or before startIndexInParagraph.

getActualDirection

public byte getActualDirection()

getCSSDirection

public IdentValue getCSSDirection()