com.alibaba.fastjson.parser

Class JSONLexerBase

java.lang.Object

com.alibaba.fastjson.parser.JSONLexerBase

All Implemented Interfaces:

JSONLexer, Closeable, AutoCloseable

Direct Known Subclasses:

JSONReaderScanner, JSONScanner

public abstract class JSONLexerBase
extends Object
implements JSONLexer, Closeable

Field Summary

Fields

Modifier and Type	Field and Description
protected int	bp
protected Calendar	calendar
protected char	ch
protected static int[]	digits
protected int	eofPos
protected int	features
protected boolean	hasSpecial
protected static int	INT_MULTMIN_RADIX_TEN
protected Locale	locale
int	matchStat
protected static long	MULTMIN_RADIX_TEN
protected int	nanos
protected int	np number start position
protected int	pos
protected char[]	sbuf A character buffer for literals.
protected int	sp
protected String	stringDefaultValue
protected TimeZone	timeZone
protected int	token
protected static char[]	typeFieldName

Fields inherited from interface com.alibaba.fastjson.parser.JSONLexer

ARRAY, END, EOI, NOT_MATCH, NOT_MATCH_NAME, OBJECT, UNKNOWN, VALUE, VALUE_NULL

Constructor Summary

Constructors

Constructor and Description
JSONLexerBase(int features)

Method Summary

Modifier and Type	Method and Description
abstract String	addSymbol(int offset, int len, int hash, SymbolTable symbolTable)
protected abstract void	arrayCopy(int srcPos, char[] dest, int destPos, int length)
abstract byte[]	bytesValue()
protected abstract boolean	charArrayCompare(char[] chars)
abstract char	charAt(int index)
void	close()
void	config(Feature feature, boolean state)
protected abstract void	copyTo(int offset, int count, char[] dest)
abstract BigDecimal	decimalValue()
Number	decimalValue(boolean decimal)
double	doubleValue()
float	floatValue()
Calendar	getCalendar()
char	getCurrent()
int	getFeatures()
Locale	getLocale()
TimeZone	getTimeZone()
abstract int	indexOf(char ch, int startIndex)
String	info()
Number	integerValue()
int	intValue()
boolean	isBlankInput()
boolean	isEnabled(Feature feature)
boolean	isEnabled(int feature)
boolean	isEnabled(int features, int feature)
abstract boolean	isEOF()
boolean	isRef()
static boolean	isWhitespace(char ch)
protected void	lexError(String key, Object... args)
long	longValue()
boolean	matchField(char[] fieldName)
int	matchField(long fieldNameHash)
boolean	matchField2(char[] fieldName)
int	matchStat()
Collection<String>	newCollectionByType(Class<?> type)
abstract char	next()
void	nextIdent()
void	nextToken()
void	nextToken(int expect)
void	nextTokenWithChar(char expect)
void	nextTokenWithColon()
void	nextTokenWithColon(int expect)
abstract String	numberString()
int	pos()
protected void	putChar(char ch) Append a character to sbuf.
static String	readString(char[] chars, int chars_len)
void	resetStringPosition()
boolean	scanBoolean(char expectNext)
Date	scanDate(char seperator)
BigDecimal	scanDecimal(char seperator)
double	scanDouble(char seperator)
Enum<?>	scanEnum(Class<?> enumClass, SymbolTable symbolTable, char serperator)
long	scanEnumSymbol(char[] fieldName)
void	scanFalse()
BigInteger	scanFieldBigInteger(char[] fieldName)
boolean	scanFieldBoolean(char[] fieldName)
Date	scanFieldDate(char[] fieldName)
BigDecimal	scanFieldDecimal(char[] fieldName)
double	scanFieldDouble(char[] fieldName)
float	scanFieldFloat(char[] fieldName)
float[]	scanFieldFloatArray(char[] fieldName)
float[][]	scanFieldFloatArray2(char[] fieldName)
int	scanFieldInt(char[] fieldName)
int[]	scanFieldIntArray(char[] fieldName)
long	scanFieldLong(char[] fieldName)
String	scanFieldString(char[] fieldName)
Collection<String>	scanFieldStringArray(char[] fieldName, Class<?> type)
String[]	scanFieldStringArray(char[] fieldName, int argTypesCount, SymbolTable typeSymbolTable) hsf support
long	scanFieldSymbol(char[] fieldName)
UUID	scanFieldUUID(char[] fieldName)
float	scanFloat(char seperator)
void	scanHex()
void	scanIdent()
int	scanInt(char expectNext)
long	scanLong(char expectNextChar)
void	scanNullOrNew()
void	scanNullOrNew(boolean acceptColon)
void	scanNumber()
void	scanString()
String	scanString(char expectNextChar)
void	scanStringArray(Collection<String> list, char seperator)
String	scanSymbol(SymbolTable symbolTable)
String	scanSymbol(SymbolTable symbolTable, char quote)
String	scanSymbolUnQuoted(SymbolTable symbolTable)
String	scanSymbolWithSeperator(SymbolTable symbolTable, char serperator)
void	scanTrue()
int	scanType(String type)
String	scanTypeName(SymbolTable symbolTable)
UUID	scanUUID(char seperator)
boolean	seekArrayToItem(int index)
int	seekObjectToField(long[] fieldNameHash)
int	seekObjectToField(long fieldNameHash, boolean deepScan)
int	seekObjectToFieldDeepScan(long fieldNameHash)
void	setFeatures(int features)
void	setLocale(Locale locale)
void	setTimeZone(TimeZone timeZone)
void	setToken(int token) internal method, don't invoke
void	skipArray()
protected void	skipComment()
void	skipObject()
void	skipObject(boolean valid)
void	skipWhitespace()
String	stringDefaultValue()
abstract String	stringVal()
protected abstract char[]	sub_chars(int offset, int count)
abstract String	subString(int offset, int count)
int	token()
String	tokenName()

Methods inherited from class java.lang.Object

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

Field Detail

token

protected int token

pos

protected int pos

features

protected int features

ch

protected char ch

bp

protected int bp

eofPos

protected int eofPos

sbuf

protected char[] sbuf

A character buffer for literals.

sp

protected int sp

np

protected int np

number start position

hasSpecial

protected boolean hasSpecial

calendar

protected Calendar calendar

timeZone

protected TimeZone timeZone

locale

protected Locale locale

matchStat

public int matchStat

stringDefaultValue

protected String stringDefaultValue

nanos

protected int nanos

typeFieldName

protected static final char[] typeFieldName

MULTMIN_RADIX_TEN

protected static final long MULTMIN_RADIX_TEN

See Also:

Constant Field Values

INT_MULTMIN_RADIX_TEN

protected static final int INT_MULTMIN_RADIX_TEN

See Also:

Constant Field Values

digits

protected static final int[] digits

Constructor Detail

JSONLexerBase

public JSONLexerBase(int features)

Method Detail

lexError

protected void lexError(String key,
                        Object... args)

matchStat

public final int matchStat()

setToken

public void setToken(int token)

internal method, don't invoke

Parameters:

token -

nextToken

public final void nextToken()

Specified by:

nextToken in interface JSONLexer

nextToken

public final void nextToken(int expect)

Specified by:

nextToken in interface JSONLexer

nextIdent

public final void nextIdent()

nextTokenWithColon

public final void nextTokenWithColon()

Specified by:

nextTokenWithColon in interface JSONLexer

nextTokenWithChar

public final void nextTokenWithChar(char expect)

token

public final int token()

Specified by:

token in interface JSONLexer

tokenName

public final String tokenName()

Specified by:

tokenName in interface JSONLexer

pos

public final int pos()

Specified by:

pos in interface JSONLexer

stringDefaultValue

public final String stringDefaultValue()

integerValue

public final Number integerValue()
                          throws NumberFormatException

Specified by:

integerValue in interface JSONLexer

Throws:

NumberFormatException

nextTokenWithColon

public final void nextTokenWithColon(int expect)

Specified by:

nextTokenWithColon in interface JSONLexer

floatValue

public float floatValue()

Specified by:

floatValue in interface JSONLexer

doubleValue

public double doubleValue()

config

public void config(Feature feature,
                   boolean state)

Specified by:

config in interface JSONLexer

isEnabled

public final boolean isEnabled(Feature feature)

Specified by:

isEnabled in interface JSONLexer

isEnabled

public final boolean isEnabled(int feature)

Specified by:

isEnabled in interface JSONLexer

isEnabled

public final boolean isEnabled(int features,
                               int feature)

numberString

public abstract String numberString()

Specified by:

numberString in interface JSONLexer

isEOF

public abstract boolean isEOF()

getCurrent

public final char getCurrent()

Specified by:

getCurrent in interface JSONLexer

charAt

public abstract char charAt(int index)

next

public abstract char next()

Specified by:

next in interface JSONLexer

skipComment

protected void skipComment()

scanSymbol

public final String scanSymbol(SymbolTable symbolTable)

Specified by:

scanSymbol in interface JSONLexer

arrayCopy

protected abstract void arrayCopy(int srcPos,
                                  char[] dest,
                                  int destPos,
                                  int length)

scanSymbol

public final String scanSymbol(SymbolTable symbolTable,
                               char quote)

Specified by:

scanSymbol in interface JSONLexer

resetStringPosition

public final void resetStringPosition()

Specified by:

resetStringPosition in interface JSONLexer

info

public String info()

Specified by:

info in interface JSONLexer

scanSymbolUnQuoted

public final String scanSymbolUnQuoted(SymbolTable symbolTable)

Specified by:

scanSymbolUnQuoted in interface JSONLexer

copyTo

protected abstract void copyTo(int offset,
                               int count,
                               char[] dest)

scanString

public final void scanString()

Specified by:

scanString in interface JSONLexer

getCalendar

public Calendar getCalendar()

getTimeZone

public TimeZone getTimeZone()

Specified by:

getTimeZone in interface JSONLexer

setTimeZone

public void setTimeZone(TimeZone timeZone)

Specified by:

setTimeZone in interface JSONLexer

getLocale

public Locale getLocale()

Specified by:

getLocale in interface JSONLexer

setLocale

public void setLocale(Locale locale)

Specified by:

setLocale in interface JSONLexer

intValue

public final int intValue()

Specified by:

intValue in interface JSONLexer

bytesValue

public abstract byte[] bytesValue()

Specified by:

bytesValue in interface JSONLexer

close

public void close()

Specified by:

close in interface JSONLexer

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

isRef

public final boolean isRef()

Specified by:

isRef in interface JSONLexer

scanTypeName

public String scanTypeName(SymbolTable symbolTable)

Specified by:

scanTypeName in interface JSONLexer

scanType

public final int scanType(String type)

matchField

public final boolean matchField(char[] fieldName)

matchField

public int matchField(long fieldNameHash)

seekArrayToItem

public boolean seekArrayToItem(int index)

seekObjectToField

public int seekObjectToField(long fieldNameHash,
                             boolean deepScan)

seekObjectToField

public int seekObjectToField(long[] fieldNameHash)

seekObjectToFieldDeepScan

public int seekObjectToFieldDeepScan(long fieldNameHash)

skipObject

public void skipObject()

skipObject

public void skipObject(boolean valid)

skipArray

public void skipArray()

indexOf

public abstract int indexOf(char ch,
                            int startIndex)

addSymbol

public abstract String addSymbol(int offset,
                                 int len,
                                 int hash,
                                 SymbolTable symbolTable)

scanFieldString

public String scanFieldString(char[] fieldName)

scanString

public String scanString(char expectNextChar)

Specified by:

scanString in interface JSONLexer

scanFieldSymbol

public long scanFieldSymbol(char[] fieldName)

scanEnumSymbol

public long scanEnumSymbol(char[] fieldName)

scanEnum

public Enum<?> scanEnum(Class<?> enumClass,
                        SymbolTable symbolTable,
                        char serperator)

Specified by:

scanEnum in interface JSONLexer

scanSymbolWithSeperator

public String scanSymbolWithSeperator(SymbolTable symbolTable,
                                      char serperator)

Specified by:

scanSymbolWithSeperator in interface JSONLexer

newCollectionByType

public Collection<String> newCollectionByType(Class<?> type)

scanFieldStringArray

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

scanStringArray

public void scanStringArray(Collection<String> list,
                            char seperator)

Specified by:

scanStringArray in interface JSONLexer

scanFieldInt

public int scanFieldInt(char[] fieldName)

scanFieldIntArray

public final int[] scanFieldIntArray(char[] fieldName)

scanBoolean

public boolean scanBoolean(char expectNext)

Specified by:

scanBoolean in interface JSONLexer

scanInt

public int scanInt(char expectNext)

Specified by:

scanInt in interface JSONLexer

scanFieldBoolean

public boolean scanFieldBoolean(char[] fieldName)

scanFieldLong

public long scanFieldLong(char[] fieldName)

scanLong

public long scanLong(char expectNextChar)

Specified by:

scanLong in interface JSONLexer

scanFieldFloat

public final float scanFieldFloat(char[] fieldName)

scanFloat

public final float scanFloat(char seperator)

Specified by:

scanFloat in interface JSONLexer

scanDouble

public double scanDouble(char seperator)

Specified by:

scanDouble in interface JSONLexer

scanDecimal

public BigDecimal scanDecimal(char seperator)

Specified by:

scanDecimal in interface JSONLexer

scanFieldFloatArray

public final float[] scanFieldFloatArray(char[] fieldName)

scanFieldFloatArray2

public final float[][] scanFieldFloatArray2(char[] fieldName)

scanFieldDouble

public final double scanFieldDouble(char[] fieldName)

scanFieldDecimal

public BigDecimal scanFieldDecimal(char[] fieldName)

scanFieldBigInteger

public BigInteger scanFieldBigInteger(char[] fieldName)

scanFieldDate

public Date scanFieldDate(char[] fieldName)

scanDate

public Date scanDate(char seperator)

scanFieldUUID

public UUID scanFieldUUID(char[] fieldName)

scanUUID

public UUID scanUUID(char seperator)

scanTrue

public final void scanTrue()

scanNullOrNew

public final void scanNullOrNew()

scanNullOrNew

public final void scanNullOrNew(boolean acceptColon)

scanFalse

public final void scanFalse()

scanIdent

public final void scanIdent()

stringVal

public abstract String stringVal()

Specified by:

stringVal in interface JSONLexer

subString

public abstract String subString(int offset,
                                 int count)

sub_chars

protected abstract char[] sub_chars(int offset,
                                    int count)

readString

public static String readString(char[] chars,
                                int chars_len)

charArrayCompare

protected abstract boolean charArrayCompare(char[] chars)

isBlankInput

public boolean isBlankInput()

Specified by:

isBlankInput in interface JSONLexer

skipWhitespace

public final void skipWhitespace()

Specified by:

skipWhitespace in interface JSONLexer

putChar

protected final void putChar(char ch)

Append a character to sbuf.

scanHex

public final void scanHex()

scanNumber

public final void scanNumber()

Specified by:

scanNumber in interface JSONLexer

longValue

public final long longValue()
                     throws NumberFormatException

Specified by:

longValue in interface JSONLexer

Throws:

NumberFormatException

decimalValue

public final Number decimalValue(boolean decimal)

Specified by:

decimalValue in interface JSONLexer

decimalValue

public abstract BigDecimal decimalValue()

Specified by:

decimalValue in interface JSONLexer

isWhitespace

public static boolean isWhitespace(char ch)

scanFieldStringArray

public String[] scanFieldStringArray(char[] fieldName,
                                     int argTypesCount,
                                     SymbolTable typeSymbolTable)

hsf support

Parameters:

fieldName -

argTypesCount -

typeSymbolTable -

Returns:

matchField2

public boolean matchField2(char[] fieldName)

getFeatures

public int getFeatures()

Specified by:

getFeatures in interface JSONLexer

setFeatures

public void setFeatures(int features)

Specified by:

setFeatures in interface JSONLexer