jwo.utils.syntaxhighlighter
Class JavaScanner

java.lang.Object
  jwo.utils.syntaxhighlighter.Scanner
      jwo.utils.syntaxhighlighter.JavaScanner

All Implemented Interfaces:

TokenTypes

public class JavaScanner
extends Scanner

A Java language scanner that highlights Java keywords, syntax etc.

Version:

2.3, February, 2006 modified 15th February, 2006.

Author:

Henk Muller, Minor modifications, Jo Wood.

Field Summary

Fields inherited from class jwo.utils.syntaxhighlighter.Scanner

buffer, end, start, state, symbolTable

Fields inherited from interface jwo.utils.syntaxhighlighter.TokenTypes

BRACKET, CHARACTER, COMMENT, END_COMMENT, END_TAG, IDENTIFIER, KEYWORD, KEYWORD2, LITERAL, MID_COMMENT, NUMBER, OPERATOR, PUNCTUATION, SEPARATOR, START_COMMENT, STRING, TAG, typeNames, UNRECOGNIZED, URL, WHITESPACE, WORD

Constructor Summary

JavaScanner()
Creates a Java scanner, for Java version 1.5 by default.

JavaScanner(String version)
Creates a Java scanner, for a given version.

Method Summary

protected void	initSymbolTable() Overrides initSymbolTable to create Java-specific keywords and literals.
protected Symbol	lookup(int type, String name) Overrides lookup, but what about unicode escape translation?
protected int	read() Overrides the read method from the Scanner class and processes Java syntax.

Methods inherited from class jwo.utils.syntaxhighlighter.Scanner

change, find, getToken, position, remove, scan, size

Methods inherited from class java.lang.Object

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

Constructor Detail

JavaScanner

public JavaScanner()

Creates a Java scanner, for Java version 1.5 by default.

JavaScanner

public JavaScanner(String version)

Creates a Java scanner, for a given version.

Parameters:

version - Java version to scan. Should be between "1.1" and "1.5".

Method Detail

read

protected int read()

Overrides the read method from the Scanner class and processes Java syntax.

Overrides:

read in class Scanner

Returns:

Type of token that has been read.

initSymbolTable

protected void initSymbolTable()

Overrides initSymbolTable to create Java-specific keywords and literals.

Overrides:

initSymbolTable in class Scanner

lookup

protected Symbol lookup(int type,
                        String name)

Overrides lookup, but what about unicode escape translation?

Overrides:

lookup in class Scanner

Parameters:

type - Type of symbol to look for.

name - Name of symbol to look for.

Returns:

Symbol found, or new symbol if not present in lookup table.