com.wutka.dtd
Class Scanner

java.lang.Object
  com.wutka.dtd.Scanner

class Scanner

extends java.lang.Object

Lexical scanner for DTD's

Version:

$Revision: 1.1 $ $Date: 2005/07/29 05:07:32 $ by $Author: pavels $

Author:

Mark Wutka

Nested Class Summary

protected class

Scanner.StreamInfo

Field Summary

static TokenType	ASTERISK
protected boolean	atEOF
static TokenType	COMMA
static TokenType	COMMENT
static TokenType	CONDITIONAL
static TokenType	ENDCONDITIONAL
protected java.util.Hashtable	entityExpansion
static TokenType	EOF
static TokenType	EQUAL
protected char[]	expandBuffer
protected EntityExpansion	expander
protected int	expandPos
static TokenType	GT
static TokenType	IDENTIFIER
protected Scanner.StreamInfo	in
protected java.util.Stack	inputStreams
static char[][]	letterRanges
static TokenType	LPAREN
static TokenType	LT
static TokenType	LTBANG
static TokenType	LTQUES
protected int	nextChar
protected Token	nextToken
static TokenType	NMTOKEN
static TokenType	PERCENT
static TokenType	PIPE
static TokenType	PLUS
static TokenType	QUES
static TokenType	QUESGT
static TokenType	RPAREN
static TokenType	STRING
protected boolean	trace

Constructor Summary

Scanner(java.io.Reader inReader, boolean doTrace, EntityExpansion anExpander)

Scanner(java.io.Reader inReader, EntityExpansion anExpander)

Method Summary

void	addEntity(java.lang.String entityName, java.lang.String entityValue)
void	expand(char[] expandChars)
boolean	expandEntity(java.lang.String entityName)
Token	get()
int	getColumn()
int	getLineNumber()
java.lang.String	getUntil(char stopChar)
java.lang.String	getUriId()
boolean	isBaseChar(char ch)
boolean	isCombiningChar(char ch)
boolean	isDigit(char ch)
boolean	isExtender(char ch)
boolean	isIdentifierChar(char ch)
boolean	isIdeographic(char ch)
boolean	isLetter(char ch)
boolean	isNameChar(char ch)
Token	peek()
protected int	peekChar()
protected int	read()
protected int	readNextChar()
protected Token	readNextToken()
void	skipConditional()
void	skipUntil(char stopChar)

Methods inherited from class java.lang.Object

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

Field Detail

LTQUES

public static final TokenType LTQUES

IDENTIFIER

public static final TokenType IDENTIFIER

EQUAL

public static final TokenType EQUAL

LPAREN

public static final TokenType LPAREN

RPAREN

public static final TokenType RPAREN

COMMA

public static final TokenType COMMA

STRING

public static final TokenType STRING

QUESGT

public static final TokenType QUESGT

LTBANG

public static final TokenType LTBANG

GT

public static final TokenType GT

PIPE

public static final TokenType PIPE

QUES

public static final TokenType QUES

PLUS

public static final TokenType PLUS

ASTERISK

public static final TokenType ASTERISK

LT

public static final TokenType LT

EOF

public static final TokenType EOF

COMMENT

public static final TokenType COMMENT

PERCENT

public static final TokenType PERCENT

CONDITIONAL

public static final TokenType CONDITIONAL

ENDCONDITIONAL

public static final TokenType ENDCONDITIONAL

NMTOKEN

public static final TokenType NMTOKEN

in

protected Scanner.StreamInfo in

inputStreams

protected java.util.Stack inputStreams

nextToken

protected Token nextToken

nextChar

protected int nextChar

atEOF

protected boolean atEOF

trace

protected boolean trace

expandBuffer

protected char[] expandBuffer

expandPos

protected int expandPos

entityExpansion

protected java.util.Hashtable entityExpansion

expander

protected EntityExpansion expander

letterRanges

public static char[][] letterRanges

Constructor Detail

Scanner

public Scanner(java.io.Reader inReader,
               EntityExpansion anExpander)

Scanner

public Scanner(java.io.Reader inReader,
               boolean doTrace,
               EntityExpansion anExpander)

Method Detail

peek

public Token peek()
           throws java.io.IOException

Throws:

java.io.IOException

get

public Token get()
          throws java.io.IOException

Throws:

java.io.IOException

readNextChar

protected int readNextChar()
                    throws java.io.IOException

Throws:

java.io.IOException

peekChar

protected int peekChar()
                throws java.io.IOException

Throws:

java.io.IOException

read

protected int read()
            throws java.io.IOException

Throws:

java.io.IOException

getUntil

public java.lang.String getUntil(char stopChar)
                          throws java.io.IOException

Throws:

java.io.IOException

skipUntil

public void skipUntil(char stopChar)
               throws java.io.IOException

Throws:

java.io.IOException

readNextToken

protected Token readNextToken()
                       throws java.io.IOException

Throws:

java.io.IOException

skipConditional

public void skipConditional()
                     throws java.io.IOException

Throws:

java.io.IOException

getUriId

public java.lang.String getUriId()

getLineNumber

public int getLineNumber()

getColumn

public int getColumn()

isIdentifierChar

public boolean isIdentifierChar(char ch)

isNameChar

public boolean isNameChar(char ch)

isLetter

public boolean isLetter(char ch)

isBaseChar

public boolean isBaseChar(char ch)

isIdeographic

public boolean isIdeographic(char ch)

isDigit

public boolean isDigit(char ch)

isCombiningChar

public boolean isCombiningChar(char ch)

isExtender

public boolean isExtender(char ch)

expandEntity

public boolean expandEntity(java.lang.String entityName)
                     throws java.io.IOException

Throws:

java.io.IOException

expand

public void expand(char[] expandChars)

addEntity

public void addEntity(java.lang.String entityName,
                      java.lang.String entityValue)