com.alibaba.fastjson.parser

Class JSONScanner

java.lang.Object

com.alibaba.fastjson.parser.JSONScanner

All Implemented Interfaces:

JSONLexer

public final class JSONScanner
extends Object
implements JSONLexer

Author:

wenshao

Field Summary

Fields

Modifier and Type	Field and Description
static int	ARRAY
static int	END
static byte	EOI
int	ISO8601_LEN_0
int	ISO8601_LEN_1
int	ISO8601_LEN_2
int	matchStat
static int	NOT_MATCH
static int	NOT_MATCH_NAME
static int	OBJECT
int	resetCount
static int	UNKOWN
static int	VALUE

Constructor Summary

Constructors

Constructor and Description
JSONScanner(char[] input, int inputLength)
JSONScanner(char[] input, int inputLength, int features)
JSONScanner(String input)
JSONScanner(String input, int features)

Method Summary

Methods

Modifier and Type	Method and Description
byte[]	bytesValue()
char	charAt(int index)
void	close()
void	config(Feature feature, boolean state)
BigDecimal	decimalValue()
Number	decimalValue(boolean decimal)
double	doubleValue()
float	floatValue()
int	getBufferPosition()
Calendar	getCalendar()
char	getCurrent()
void	incrementBufferPosition()
Number	integerValue()
int	intValue()
boolean	isBlankInput()
boolean	isEnabled(Feature feature)
boolean	isEOF()
boolean	isRef()
boolean	isResetFlag()
static boolean	isWhitespace(char ch)
long	longValue()
boolean	matchField(char[] fieldName)
void	nextToken()
void	nextToken(int expect)
void	nextTokenWithColon()
void	nextTokenWithColon(int expect)
String	numberString()
int	pos() Return the current token's position: a 0-based offset from beginning of the raw input stream (before unicode translation)
void	reset(int mark, char mark_ch, int token)
void	resetStringPosition()
void	scanFalse()
boolean	scanFieldBoolean(char[] fieldName)
double	scanFieldDouble(char[] fieldName)
float	scanFieldFloat(char[] fieldName)
int	scanFieldInt(char[] fieldName)
long	scanFieldLong(char[] fieldName)
String	scanFieldString(char[] fieldName)
ArrayList<String>	scanFieldStringArray(char[] fieldName)
Collection<String>	scanFieldStringArray(char[] fieldName, Class<?> type)
String	scanFieldSymbol(char[] fieldName, SymbolTable symbolTable)
void	scanIdent()
boolean	scanISO8601DateIfMatch()
void	scanNullOrNew()
void	scanNumber()
void	scanSet()
void	scanString()
void	scanStringSingleQuote()
String	scanSymbol(SymbolTable symbolTable)
String	scanSymbol(SymbolTable symbolTable, char quote)
String	scanSymbolUnQuoted(SymbolTable symbolTable)
void	scanTreeSet()
void	scanTrue()
int	scanType(String type)
void	setResetFlag(boolean resetFlag)
void	skipWhitespace()
String	stringDefaultValue()
String	stringVal() The value of a literal token, recorded as a string.
String	subString(int offset, int count)
String	symbol(SymbolTable symbolTable)
int	token() Return the current token, set by nextToken().
String	tokenName()

Methods inherited from class java.lang.Object

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

Field Detail

EOI

public static final byte EOI

See Also:

Constant Field Values

resetCount

public int resetCount

NOT_MATCH

public static final int NOT_MATCH

See Also:

Constant Field Values

NOT_MATCH_NAME

public static final int NOT_MATCH_NAME

See Also:

Constant Field Values

UNKOWN

public static final int UNKOWN

See Also:

Constant Field Values

OBJECT

public static final int OBJECT

See Also:

Constant Field Values

ARRAY

public static final int ARRAY

See Also:

Constant Field Values

VALUE

public static final int VALUE

See Also:

Constant Field Values

END

public static final int END

See Also:

Constant Field Values

matchStat

public int matchStat

ISO8601_LEN_0

public final int ISO8601_LEN_0

ISO8601_LEN_1

public final int ISO8601_LEN_1

ISO8601_LEN_2

public final int ISO8601_LEN_2

Constructor Detail

JSONScanner

public JSONScanner(String input)

JSONScanner

public JSONScanner(String input,
           int features)

JSONScanner

public JSONScanner(char[] input,
           int inputLength)

JSONScanner

public JSONScanner(char[] input,
           int inputLength,
           int features)

Method Detail

charAt

public final char charAt(int index)

isResetFlag

public boolean isResetFlag()

Specified by:

isResetFlag in interface JSONLexer

setResetFlag

public void setResetFlag(boolean resetFlag)

Specified by:

setResetFlag in interface JSONLexer

getBufferPosition

public final int getBufferPosition()

Specified by:

getBufferPosition in interface JSONLexer

reset

public void reset(int mark,
         char mark_ch,
         int token)

isBlankInput

public boolean isBlankInput()

Specified by:

isBlankInput in interface JSONLexer

isWhitespace

public static final boolean isWhitespace(char ch)

token

public final int token()

Return the current token, set by nextToken().

Specified by:

token in interface JSONLexer

tokenName

public final String tokenName()

Specified by:

tokenName in interface JSONLexer

skipWhitespace

public final void skipWhitespace()

Specified by:

skipWhitespace in interface JSONLexer

getCurrent

public final char getCurrent()

Specified by:

getCurrent in interface JSONLexer

nextTokenWithColon

public final void nextTokenWithColon()

nextTokenWithColon

public final void nextTokenWithColon(int expect)

Specified by:

nextTokenWithColon in interface JSONLexer

incrementBufferPosition

public final void incrementBufferPosition()

Specified by:

incrementBufferPosition in interface JSONLexer

resetStringPosition

public final void resetStringPosition()

Specified by:

resetStringPosition in interface JSONLexer

nextToken

public void nextToken(int expect)

Specified by:

nextToken in interface JSONLexer

nextToken

public final void nextToken()

Specified by:

nextToken in interface JSONLexer

scanStringSingleQuote

public final void scanStringSingleQuote()

scanString

public final void scanString()

Specified by:

scanString in interface JSONLexer

scanSymbolUnQuoted

public final String scanSymbolUnQuoted(SymbolTable symbolTable)

Specified by:

scanSymbolUnQuoted in interface JSONLexer

scanType

public int scanType(String type)

matchField

public boolean matchField(char[] fieldName)

scanFieldString

public String scanFieldString(char[] fieldName)

stringDefaultValue

public String stringDefaultValue()

scanFieldSymbol

public String scanFieldSymbol(char[] fieldName,
                     SymbolTable symbolTable)

scanFieldStringArray

public ArrayList<String> scanFieldStringArray(char[] fieldName)

scanFieldStringArray

public Collection<String> scanFieldStringArray(char[] fieldName,
                                      Class<?> type)

scanFieldInt

public int scanFieldInt(char[] fieldName)

scanFieldBoolean

public boolean scanFieldBoolean(char[] fieldName)

scanFieldLong

public long scanFieldLong(char[] fieldName)

scanFieldFloat

public float scanFieldFloat(char[] fieldName)

bytesValue

public byte[] bytesValue()

Specified by:

bytesValue in interface JSONLexer

scanFieldDouble

public double scanFieldDouble(char[] fieldName)

scanSymbol

public String scanSymbol(SymbolTable symbolTable)

Specified by:

scanSymbol in interface JSONLexer

scanSymbol

public final String scanSymbol(SymbolTable symbolTable,
                char quote)

Specified by:

scanSymbol in interface JSONLexer

scanTrue

public void scanTrue()

scanSet

public void scanSet()

scanTreeSet

public void scanTreeSet()

scanNullOrNew

public void scanNullOrNew()

scanFalse

public void scanFalse()

scanIdent

public void scanIdent()

scanNumber

public void scanNumber()

Specified by:

scanNumber in interface JSONLexer

pos

public final int pos()

Return the current token's position: a 0-based offset from beginning of the raw input stream (before unicode translation)

Specified by:

pos in interface JSONLexer

stringVal

public final String stringVal()

The value of a literal token, recorded as a string. For integers, leading 0x and 'l' suffixes are suppressed.

Specified by:

stringVal in interface JSONLexer

subString

public final String subString(int offset,
               int count)

isRef

public boolean isRef()

symbol

public final String symbol(SymbolTable symbolTable)

Specified by:

symbol in interface JSONLexer

integerValue

public Number integerValue()
                    throws NumberFormatException

Specified by:

integerValue in interface JSONLexer

Throws:

NumberFormatException

longValue

public long longValue()
               throws NumberFormatException

Specified by:

longValue in interface JSONLexer

Throws:

NumberFormatException

intValue

public int intValue()

Specified by:

intValue in interface JSONLexer

numberString

public final String numberString()

Specified by:

numberString in interface JSONLexer

floatValue

public float floatValue()

Specified by:

floatValue in interface JSONLexer

doubleValue

public double doubleValue()

Specified by:

doubleValue in interface JSONLexer

decimalValue

public Number decimalValue(boolean decimal)

Specified by:

decimalValue in interface JSONLexer

decimalValue

public BigDecimal decimalValue()

Specified by:

decimalValue in interface JSONLexer

config

public void config(Feature feature,
          boolean state)

Specified by:

config in interface JSONLexer

isEnabled

public boolean isEnabled(Feature feature)

Specified by:

isEnabled in interface JSONLexer

scanISO8601DateIfMatch

public boolean scanISO8601DateIfMatch()

Specified by:

scanISO8601DateIfMatch in interface JSONLexer

getCalendar

public Calendar getCalendar()

Specified by:

getCalendar in interface JSONLexer

isEOF

public boolean isEOF()

Specified by:

isEOF in interface JSONLexer

close

public void close()

Specified by:

close in interface JSONLexer