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org.htmlparser.util
Class Generate  

java.lang.Object
  org.htmlparser.util.Generate

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public class Generate

extends java.lang.Object

Create a character reference translation class source file. Usage:

 
      java -classpath .:lib/htmlparser.jar Generate > Translate.java
  
 

Derived from HTMLStringFilter.java provided as an example with the htmlparser.jar file available at htmlparser.sourceforge.net written by Somik Raha ( somik@industriallogic. com http://industriallogic.com).

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Field Summary
protected static java.lang.String	nl           The system specific line separator string.
protected  org.htmlparser.Parser	parser           The working parser.

 

Constructor Summary

Generate()           Create a Generate object.

 

Method Summary
void	extract(java.lang.String string)           Parse the sgml declaration for character entity reference name, equivalent numeric character reference and a comment.
int	indexOfWhitespace(java.lang.String string, int index)           Find the lowest index of whitespace (space or newline).
static void	main(java.lang.String[] args)           Generator program.
java.lang.String	pack(java.lang.String string)           Rewrite the comment string.
java.lang.String	pad(java.lang.String string, char character, int length)           Pad a string on the left with the given character to the length specified.
void	parse()           Pull out text elements from the HTML.
java.lang.String	pretty(java.lang.String string)           Pretty up a comment string.
void	sgml(java.lang.String string)           Extract special characters.
java.lang.String	translate(java.lang.String string)           Translate character references.
java.lang.String	unicode(java.lang.String string)           Convert the textual representation of the numeric character reference to a character.

 

Methods inherited from class java.lang.Object

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

 

Field Detail

parser

protected org.htmlparser.Parser parser

The working parser.

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nl

protected static final java.lang.String nl

The system specific line separator string.

Constructor Detail

Generate

public Generate()
         throws ParserException

Create a Generate object. Sets up the generation by creating a new Parser pointed at http://www.w3.org/TR/REC-html40/sgml/entities.html with the standard scanners registered.

Method Detail

translate

public java.lang.String translate(java.lang.String string)

Translate character references. After generating the Translate class we could use it to do this job, but that would involve a bootstrap problem, so this method does the reference conversion for a very tiny subset (enough to understand the w3.org page).

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parse

public void parse()
           throws ParserException

Pull out text elements from the HTML.

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indexOfWhitespace

public int indexOfWhitespace(java.lang.String string,
                             int index)

Find the lowest index of whitespace (space or newline).

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pack

public java.lang.String pack(java.lang.String string)

Rewrite the comment string. In the sgml table, the comments are of the form:

 
  -- latin capital letter I with diaeresis,
              U+00CF ISOlat1
  
 

so we just want to make a one-liner without the spaces and newlines.

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pretty

public java.lang.String pretty(java.lang.String string)

Pretty up a comment string.

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pad

public java.lang.String pad(java.lang.String string,
                            char character,
                            int length)

Pad a string on the left with the given character to the length specified.

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unicode

public java.lang.String unicode(java.lang.String string)

Convert the textual representation of the numeric character reference to a character.

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extract

public void extract(java.lang.String string)

Parse the sgml declaration for character entity reference name, equivalent numeric character reference and a comment. Emit a java hash table 'put' with the name as the key, the numeric character as the value and comment the insertion with the comment.

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sgml

public void sgml(java.lang.String string)

Extract special characters. Scan the string looking for substrings of the form:

 
  <!ENTITY nbsp   CDATA "&#160;" -- no-break space = non-breaking space, U+00A0 ISOnum -->
  
 

and emit a java definition for each.

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main

public static void main(java.lang.String[] args)
                 throws ParserException

Generator program.

 
      java -classpath .:lib/htmlparser.jar Generate > Translate.java
  
 

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