com.itextpdf.text.pdf.hyphenation
Class SimplePatternParser

java.lang.Object
  com.itextpdf.text.pdf.hyphenation.SimplePatternParser

All Implemented Interfaces:

PatternConsumer, SimpleXMLDocHandler

public class SimplePatternParser
extends Object
implements SimpleXMLDocHandler, PatternConsumer

Parses the xml hyphenation pattern.

Author:

Paulo Soares

Constructor Summary

SimplePatternParser()
Creates a new instance of PatternParser2

Method Summary

void	addClass(String c) Add a character class.
void	addException(String w, ArrayList<Object> e) Add a hyphenation exception.
void	addPattern(String p, String v) Add hyphenation patterns.
void	endDocument() Called after the document is parsed.
void	endElement(String tag) Called when an end tag is found.
protected String	getExceptionWord(ArrayList<Object> ex)
protected static String	getInterletterValues(String pat)
protected static String	getPattern(String word)
protected ArrayList<Object>	normalizeException(ArrayList<Object> ex)
void	parse(InputStream stream, PatternConsumer consumer)
void	startDocument() Called when the document starts to be parsed.
void	startElement(String tag, Map<String,String> h) Called when a start tag is found.
void	text(String str) Called when a text element is found.

Methods inherited from class java.lang.Object

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

Constructor Detail

SimplePatternParser

public SimplePatternParser()

Creates a new instance of PatternParser2

Method Detail

parse

public void parse(InputStream stream,
                  PatternConsumer consumer)

getPattern

protected static String getPattern(String word)

normalizeException

protected ArrayList<Object> normalizeException(ArrayList<Object> ex)

getExceptionWord

protected String getExceptionWord(ArrayList<Object> ex)

getInterletterValues

protected static String getInterletterValues(String pat)

endDocument

public void endDocument()

Description copied from interface: SimpleXMLDocHandler

Called after the document is parsed.

Specified by:

endDocument in interface SimpleXMLDocHandler

endElement

public void endElement(String tag)

Description copied from interface: SimpleXMLDocHandler

Called when an end tag is found.

Specified by:

endElement in interface SimpleXMLDocHandler

Parameters:

tag - the tag name

startDocument

public void startDocument()

Description copied from interface: SimpleXMLDocHandler

Called when the document starts to be parsed.

Specified by:

startDocument in interface SimpleXMLDocHandler

startElement

public void startElement(String tag,
                         Map<String,String> h)

Description copied from interface: SimpleXMLDocHandler

Called when a start tag is found.

Specified by:

startElement in interface SimpleXMLDocHandler

Parameters:

tag - the tag name

h - the tag's attributes

text

public void text(String str)

Description copied from interface: SimpleXMLDocHandler

Called when a text element is found.

Specified by:

text in interface SimpleXMLDocHandler

Parameters:

str - the text element, probably a fragment.

addClass

public void addClass(String c)

Description copied from interface: PatternConsumer

Add a character class. A character class defines characters that are considered equivalent for the purpose of hyphenation (e.g. "aA"). It usually means to ignore case.

Specified by:

addClass in interface PatternConsumer

Parameters:

c - character group

addException

public void addException(String w,
                         ArrayList<Object> e)

Description copied from interface: PatternConsumer

Add a hyphenation exception. An exception replaces the result obtained by the algorithm for cases for which this fails or the user wants to provide his own hyphenation. A hyphenatedword is a vector of alternating String's and Hyphen instances

Specified by:

addException in interface PatternConsumer

addPattern

public void addPattern(String p,
                       String v)

Description copied from interface: PatternConsumer

Add hyphenation patterns.

Specified by:

addPattern in interface PatternConsumer

Parameters:

p - the pattern

v - interletter values expressed as a string of digit characters.