org.yecht

Class TokenScanner

java.lang.Object

org.yecht.TokenScanner

All Implemented Interfaces:

DefaultYAMLParser.yyInput

public class TokenScanner
extends java.lang.Object
implements DefaultYAMLParser.yyInput

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private static class	TokenScanner.QuotedString

Field Summary

Fields

Modifier and Type	Field and Description
private int	currentToken
private static boolean[]	DIGIT_OR_SIGN
private java.lang.Object	lval
private Parser	parser
static int	QUOTELEN
static java.lang.String[]	tnames
private static boolean[]	YWORDC

Constructor Summary

Constructors

Constructor and Description
TokenScanner(Parser parser)

Method Summary

Modifier and Type	Method and Description
boolean	advance() move on to next token.
private void	countAndAddNewlines(TokenScanner.QuotedString q)
static DefaultYAMLParser.yyInput	createScanner(Parser parser)
private int	directive()
private int	document(int doc_level)
private int	doubleQuote()
private void	eatComments()
private boolean	endspc()
static void	error(java.lang.String msg, Parser parser)
private byte	escapeSeq(byte ch)
private int	GET_TRUE_YAML_INDENT()
private int	getAndCheckIndentLength()
private int	header()
private int	isNewline(byte[] buff, int ptr)
private int	isNewline(int ptr)
private void	NEWLINE(int ptr)
private int	newlineLen(byte[] buff, int ptr)
private int	newlineLen(int ptr)
private int	plain()
private int	real_yylex()
void	RETURN_IMPLICIT(TokenScanner.QuotedString q)
private void	RETURN_YAML_BLOCK(TokenScanner.QuotedString q, int blockType, int nlDoWhat)
private int	scalarBlock()
private int	singleQuote()
private void	spcOrLfStar()
int	token() classifies current token.
private int	transferMethod()
java.lang.Object	value() associated with current token.
private boolean	yblock()
private boolean	ywordc()
private void	YYPOS(int n)

Methods inherited from class java.lang.Object

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

Field Detail

QUOTELEN

public static final int QUOTELEN

See Also:

Constant Field Values

parser

private Parser parser

lval

private java.lang.Object lval

currentToken

private int currentToken

tnames

public static final java.lang.String[] tnames

YWORDC

private static final boolean[] YWORDC

DIGIT_OR_SIGN

private static final boolean[] DIGIT_OR_SIGN

Constructor Detail

TokenScanner

public TokenScanner(Parser parser)

Method Detail

error

public static void error(java.lang.String msg,
                         Parser parser)

createScanner

public static DefaultYAMLParser.yyInput createScanner(Parser parser)

value

public java.lang.Object value()

Description copied from interface: DefaultYAMLParser.yyInput

associated with current token. Should not be called if DefaultYAMLParser.yyInput.advance() returned false.

Specified by:

value in interface DefaultYAMLParser.yyInput

Returns:

value for DefaultYAMLParser.yyInput.token().

token

public int token()

Description copied from interface: DefaultYAMLParser.yyInput

classifies current token. Should not be called if DefaultYAMLParser.yyInput.advance() returned false.

Specified by:

token in interface DefaultYAMLParser.yyInput

Returns:

current %token or single character.

advance

public boolean advance()
                throws java.io.IOException

Description copied from interface: DefaultYAMLParser.yyInput

move on to next token.

Specified by:

advance in interface DefaultYAMLParser.yyInput

Returns:

false if positioned beyond tokens.

Throws:

IOException - on input error.

isNewline

private int isNewline(int ptr)

newlineLen

private int newlineLen(int ptr)

isNewline

private int isNewline(byte[] buff,
                      int ptr)

newlineLen

private int newlineLen(byte[] buff,
                       int ptr)

NEWLINE

private void NEWLINE(int ptr)

RETURN_YAML_BLOCK

private void RETURN_YAML_BLOCK(TokenScanner.QuotedString q,
                               int blockType,
                               int nlDoWhat)

GET_TRUE_YAML_INDENT

private int GET_TRUE_YAML_INDENT()

YYPOS

private void YYPOS(int n)

RETURN_IMPLICIT

public void RETURN_IMPLICIT(TokenScanner.QuotedString q)

real_yylex

private int real_yylex()
                throws java.io.IOException

Throws:

java.io.IOException

header

private int header()
            throws java.io.IOException

Throws:

java.io.IOException

spcOrLfStar

private void spcOrLfStar()
                  throws java.io.IOException

Throws:

java.io.IOException

ywordc

private boolean ywordc()
                throws java.io.IOException

Throws:

java.io.IOException

endspc

private boolean endspc()
                throws java.io.IOException

Throws:

java.io.IOException

yblock

private boolean yblock()
                throws java.io.IOException

Throws:

java.io.IOException

document

private int document(int doc_level)
              throws java.io.IOException

Throws:

java.io.IOException

directive

private int directive()
               throws java.io.IOException

Throws:

java.io.IOException

getAndCheckIndentLength

private int getAndCheckIndentLength()

countAndAddNewlines

private void countAndAddNewlines(TokenScanner.QuotedString q)

plain

private int plain()
           throws java.io.IOException

Throws:

java.io.IOException

doubleQuote

private int doubleQuote()
                 throws java.io.IOException

Throws:

java.io.IOException

singleQuote

private int singleQuote()
                 throws java.io.IOException

Throws:

java.io.IOException

transferMethod

private int transferMethod()
                    throws java.io.IOException

Throws:

java.io.IOException

scalarBlock

private int scalarBlock()
                 throws java.io.IOException

Throws:

java.io.IOException

escapeSeq

private byte escapeSeq(byte ch)

eatComments

private void eatComments()
                  throws java.io.IOException

Throws:

java.io.IOException