java.lang.Object
- com.sun.msv.datatype.regexp.RegexParser

Direct Known Subclasses:

ParserForXMLSchema
```
class RegexParser
extends java.lang.Object
```
A Regular Expression Parser.

Version:

RegexParser.java,v 1.8 2003/03/25 14:47:06 sandygao Exp

Nested Class Summary

Nested Classes
Modifier and Type Class Description

(package private) static class RegexParser.ReferencePosition

Field Summary

Fields
Modifier and Type	Field	Description
`(package private) int`	`chardata`
`(package private) int`	`context`
`(package private) boolean`	`hasBackReferences`
`(package private) int`	`nexttoken`
`(package private) int`	`offset`
`(package private) int`	`options`
`(package private) int`	`parennumber`
`(package private) java.util.Vector`	`references`
`(package private) java.lang.String`	`regex`
`(package private) int`	`regexlen`
`(package private) java.util.ResourceBundle`	`resources`
`protected static int`	`S_INBRACKETS`
`protected static int`	`S_INXBRACKETS`
`protected static int`	`S_NORMAL`
`(package private) static int`	`T_BACKSOLIDUS`
`(package private) static int`	`T_CARET`
`(package private) static int`	`T_CHAR`
`(package private) static int`	`T_COMMENT`
`(package private) static int`	`T_CONDITION`
`(package private) static int`	`T_DOLLAR`
`(package private) static int`	`T_DOT`
`(package private) static int`	`T_EOF`
`(package private) static int`	`T_INDEPENDENT`
`(package private) static int`	`T_LBRACKET`
`(package private) static int`	`T_LOOKAHEAD`
`(package private) static int`	`T_LOOKBEHIND`
`(package private) static int`	`T_LPAREN`
`(package private) static int`	`T_LPAREN2`
`(package private) static int`	`T_MODIFIERS`
`(package private) static int`	`T_NEGATIVELOOKAHEAD`
`(package private) static int`	`T_NEGATIVELOOKBEHIND`
`(package private) static int`	`T_OR`
`(package private) static int`	`T_PLUS`
`(package private) static int`	`T_POSIX_CHARCLASS_START`
`(package private) static int`	`T_QUESTION`
`(package private) static int`	`T_RPAREN`
`(package private) static int`	`T_SET_OPERATIONS`
`(package private) static int`	`T_STAR`
`(package private) static int`	`T_XMLSCHEMA_CC_SUBTRACTION`

Constructor Summary

Constructors
Constructor Description

RegexParser()

RegexParser(java.util.Locale locale)

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`(package private) boolean`	`checkQuestion(int off)`
`(package private) int`	`decodeEscaped()`
`(package private) ParseException`	`ex(java.lang.String key, int loc)`
`(package private) Token`	`getTokenForShorthand(int ch)`
`private static int`	`hexChar(int ch)`
`private boolean`	`isSet(int flag)`
`(package private) void`	`next()`
`(package private) Token`	`parse(java.lang.String regex, int options)`
`(package private) Token`	`parseAtom()`	atom ::= char \| '.' \| char-class \| '(' regex ')' \| '(?:' regex ')' \| '\' [0-9] \| '\w' \| '\W' \| '\d' \| '\D' \| '\s' \| '\S' \| category-block \| '(?>' regex ')' char ::= '\\' \| '\' [efnrt] \| bmp-code \| character-1
`protected RangeToken`	`parseCharacterClass(boolean useNrange)`	char-class ::= '[' ( '^'? range ','?)+ ']' range ::= '\d' \| '\w' \| '\s' \| category-block \| range-char \| range-char '-' range-char range-char ::= '\[' \| '\]' \| '\\' \| '\' [,-efnrtv] \| bmp-code \| character-2 bmp-code ::= '\' 'u' [0-9a-fA-F] [0-9a-fA-F] [0-9a-fA-F] [0-9a-fA-F]
`(package private) Token`	`parseFactor()`	factor ::= ('^' \| '$' \| '\A' \| '\Z' \| '\z' \| '\b' \| '\B' \| '\<' \| '\>' \| atom (('' \| '+' \| '?' \| minmax ) '?'? )?) \| '(?=' regex ')' \| '(?!' regex ')' \| '(?<=' regex ')' \| '(?<!' regex ')' \| '(?#' [^)] ')' minmax ::= '{' min (',' max?)? '}' min ::= [0-9]+ max ::= [0-9]+
`(package private) Token`	`parseRegex()`	regex ::= term (`\|` term)* term ::= factor+ factor ::= ('^' \| '$' \| '\A' \| '\Z' \| '\z' \| '\b' \| '\B' \| '\<' \| '\>' \| atom (('*' \| '+' \| '?' \| minmax ) '?'? )?) \| '(?=' regex ')' \| '(?!' regex ')' \| '(?<=' regex ')' \| '(?<!' regex ')' atom ::= char \| '.' \| range \| '(' regex ')' \| '(?:' regex ')' \| '\' [0-9] \| '\w' \| '\W' \| '\d' \| '\D' \| '\s' \| '\S' \| category-block
`protected RangeToken`	`parseSetOperations()`	'(?[' ...
`(package private) Token`	`parseTerm()`	term ::= factor+
`(package private) Token`	`processBackreference()`
`(package private) Token`	`processBacksolidus_A()`
`(package private) Token`	`processBacksolidus_b()`
`(package private) Token`	`processBacksolidus_B()`
`(package private) Token`	`processBacksolidus_c()`
`(package private) Token`	`processBacksolidus_C()`
`(package private) Token`	`processBacksolidus_g()`
`(package private) Token`	`processBacksolidus_gt()`
`(package private) Token`	`processBacksolidus_i()`
`(package private) Token`	`processBacksolidus_I()`
`(package private) Token`	`processBacksolidus_lt()`
`protected RangeToken`	`processBacksolidus_pP(int c)`
`(package private) Token`	`processBacksolidus_X()`
`(package private) Token`	`processBacksolidus_z()`
`(package private) Token`	`processBacksolidus_Z()`
`(package private) Token`	`processCaret()`
`(package private) int`	`processCIinCharacterClass(RangeToken tok, int c)`
`(package private) Token`	`processCondition()`
`(package private) Token`	`processDollar()`
`(package private) Token`	`processIndependent()`
`(package private) Token`	`processLookahead()`
`(package private) Token`	`processLookbehind()`
`(package private) Token`	`processModifiers()`
`(package private) Token`	`processNegativelookahead()`
`(package private) Token`	`processNegativelookbehind()`
`(package private) Token`	`processParen()`
`(package private) Token`	`processParen2()`
`(package private) Token`	`processPlus(Token tok)`
`(package private) Token`	`processQuestion(Token tok)`
`(package private) Token`	`processStar(Token tok)`
`(package private) int`	`read()`
`protected void`	`setContext(int con)`
`void`	`setLocale(java.util.Locale locale)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail
- T_CHAR
```
static final int T_CHAR
```
  See Also:
  
  Constant Field Values
- T_EOF
```
static final int T_EOF
```
  See Also:
  
  Constant Field Values
- T_OR
```
static final int T_OR
```
  See Also:
  
  Constant Field Values
- T_STAR
```
static final int T_STAR
```
  See Also:
  
  Constant Field Values
- T_PLUS
```
static final int T_PLUS
```
  See Also:
  
  Constant Field Values
- T_QUESTION
```
static final int T_QUESTION
```
  See Also:
  
  Constant Field Values
- T_LPAREN
```
static final int T_LPAREN
```
  See Also:
  
  Constant Field Values
- T_RPAREN
```
static final int T_RPAREN
```
  See Also:
  
  Constant Field Values
- T_DOT
```
static final int T_DOT
```
  See Also:
  
  Constant Field Values
- T_LBRACKET
```
static final int T_LBRACKET
```
  See Also:
  
  Constant Field Values
- T_BACKSOLIDUS
```
static final int T_BACKSOLIDUS
```
  See Also:
  
  Constant Field Values
- T_CARET
```
static final int T_CARET
```
  See Also:
  
  Constant Field Values
- T_DOLLAR
```
static final int T_DOLLAR
```
  See Also:
  
  Constant Field Values
- T_LPAREN2
```
static final int T_LPAREN2
```
  See Also:
  
  Constant Field Values
- T_LOOKAHEAD
```
static final int T_LOOKAHEAD
```
  See Also:
  
  Constant Field Values
- T_NEGATIVELOOKAHEAD
```
static final int T_NEGATIVELOOKAHEAD
```
  See Also:
  
  Constant Field Values
- T_LOOKBEHIND
```
static final int T_LOOKBEHIND
```
  See Also:
  
  Constant Field Values
- T_NEGATIVELOOKBEHIND
```
static final int T_NEGATIVELOOKBEHIND
```
  See Also:
  
  Constant Field Values
- T_INDEPENDENT
```
static final int T_INDEPENDENT
```
  See Also:
  
  Constant Field Values
- T_SET_OPERATIONS
```
static final int T_SET_OPERATIONS
```
  See Also:
  
  Constant Field Values
- T_POSIX_CHARCLASS_START
```
static final int T_POSIX_CHARCLASS_START
```
  See Also:
  
  Constant Field Values
- T_COMMENT
```
static final int T_COMMENT
```
  See Also:
  
  Constant Field Values
- T_MODIFIERS
```
static final int T_MODIFIERS
```
  See Also:
  
  Constant Field Values
- T_CONDITION
```
static final int T_CONDITION
```
  See Also:
  
  Constant Field Values
- T_XMLSCHEMA_CC_SUBTRACTION
```
static final int T_XMLSCHEMA_CC_SUBTRACTION
```
  See Also:
  
  Constant Field Values
- offset
```
int offset
```
- regex
```
java.lang.String regex
```
- regexlen
```
int regexlen
```
- options
```
int options
```
- resources
```
java.util.ResourceBundle resources
```
- chardata
```
int chardata
```
- nexttoken
```
int nexttoken
```
- S_NORMAL
```
protected static final int S_NORMAL
```
  See Also:
  
  Constant Field Values
- S_INBRACKETS
```
protected static final int S_INBRACKETS
```
  See Also:
  
  Constant Field Values
- S_INXBRACKETS
```
protected static final int S_INXBRACKETS
```
  See Also:
  
  Constant Field Values
- context
```
int context
```
- parennumber
```
int parennumber
```
- hasBackReferences
```
boolean hasBackReferences
```
- references
```
java.util.Vector references
```

Constructor Detail

RegexParser
```
public RegexParser()
```

RegexParser

public RegexParser(java.util.Locale locale)

Method Detail

setLocale

public void setLocale(java.util.Locale locale)

ex

final ParseException ex(java.lang.String key,
                        int loc)

isSet

private final boolean isSet(int flag)

parse

Token parse(java.lang.String regex,
            int options)
     throws ParseException

Throws:: ParseException

setContext

protected final void setContext(int con)

read
```
final int read()
```

next
```
final void next()
```

parseRegex
```
Token parseRegex()
          throws ParseException
```
regex ::= term (`|` term)* term ::= factor+ factor ::= ('^' | '$' | '\A' | '\Z' | '\z' | '\b' | '\B' | '\<' | '\>' | atom (('*' | '+' | '?' | minmax ) '?'? )?) | '(?=' regex ')' | '(?!' regex ')' | '(?<=' regex ')' | '(?<!' regex ')' atom ::= char | '.' | range | '(' regex ')' | '(?:' regex ')' | '\' [0-9] | '\w' | '\W' | '\d' | '\D' | '\s' | '\S' | category-block

Throws:

ParseException

parseTerm

Token parseTerm()
         throws ParseException

term ::= factor+

Throws:: ParseException

processCaret

Token processCaret()
            throws ParseException

Throws:: ParseException

processDollar

Token processDollar()
             throws ParseException

Throws:: ParseException

processLookahead

Token processLookahead()
                throws ParseException

Throws:: ParseException

processNegativelookahead

Token processNegativelookahead()
                        throws ParseException

Throws:: ParseException

processLookbehind

Token processLookbehind()
                 throws ParseException

Throws:: ParseException

processNegativelookbehind

Token processNegativelookbehind()
                         throws ParseException

Throws:: ParseException

processBacksolidus_A

Token processBacksolidus_A()
                    throws ParseException

Throws:: ParseException

processBacksolidus_Z

Token processBacksolidus_Z()
                    throws ParseException

Throws:: ParseException

processBacksolidus_z

Token processBacksolidus_z()
                    throws ParseException

Throws:: ParseException

processBacksolidus_b

Token processBacksolidus_b()
                    throws ParseException

Throws:: ParseException

processBacksolidus_B

Token processBacksolidus_B()
                    throws ParseException

Throws:: ParseException

processBacksolidus_lt

Token processBacksolidus_lt()
                     throws ParseException

Throws:: ParseException

processBacksolidus_gt

Token processBacksolidus_gt()
                     throws ParseException

Throws:: ParseException

processStar

Token processStar(Token tok)
           throws ParseException

Throws:: ParseException

processPlus

Token processPlus(Token tok)
           throws ParseException

Throws:: ParseException

processQuestion

Token processQuestion(Token tok)
               throws ParseException

Throws:: ParseException

checkQuestion
```
boolean checkQuestion(int off)
```

processParen

Token processParen()
            throws ParseException

Throws:: ParseException

processParen2

Token processParen2()
             throws ParseException

Throws:: ParseException

processCondition

Token processCondition()
                throws ParseException

Throws:: ParseException

processModifiers

Token processModifiers()
                throws ParseException

Throws:: ParseException

processIndependent

Token processIndependent()
                  throws ParseException

Throws:: ParseException

processBacksolidus_c

Token processBacksolidus_c()
                    throws ParseException

Throws:: ParseException

processBacksolidus_C

Token processBacksolidus_C()
                    throws ParseException

Throws:: ParseException

processBacksolidus_i

Token processBacksolidus_i()
                    throws ParseException

Throws:: ParseException

processBacksolidus_I

Token processBacksolidus_I()
                    throws ParseException

Throws:: ParseException

processBacksolidus_g

Token processBacksolidus_g()
                    throws ParseException

Throws:: ParseException

processBacksolidus_X

Token processBacksolidus_X()
                    throws ParseException

Throws:: ParseException

processBackreference

Token processBackreference()
                    throws ParseException

Throws:: ParseException

parseFactor
```
Token parseFactor()
           throws ParseException
```
factor ::= ('^' | '$' | '\A' | '\Z' | '\z' | '\b' | '\B' | '\<' | '\>' | atom (('*' | '+' | '?' | minmax ) '?'? )?) | '(?=' regex ')' | '(?!' regex ')' | '(?<=' regex ')' | '(?<!' regex ')' | '(?#' [^)]* ')' minmax ::= '{' min (',' max?)? '}' min ::= [0-9]+ max ::= [0-9]+

Throws:

ParseException

parseAtom
```
Token parseAtom()
         throws ParseException
```
atom ::= char | '.' | char-class | '(' regex ')' | '(?:' regex ')' | '\' [0-9] | '\w' | '\W' | '\d' | '\D' | '\s' | '\S' | category-block | '(?>' regex ')' char ::= '\\' | '\' [efnrt] | bmp-code | character-1

Throws:

ParseException

processBacksolidus_pP

protected RangeToken processBacksolidus_pP(int c)
                                    throws ParseException

Throws:: ParseException

processCIinCharacterClass

int processCIinCharacterClass(RangeToken tok,
                              int c)

parseCharacterClass
```
protected RangeToken parseCharacterClass(boolean useNrange)
                                  throws ParseException
```
char-class ::= '[' ( '^'? range ','?)+ ']' range ::= '\d' | '\w' | '\s' | category-block | range-char | range-char '-' range-char range-char ::= '\[' | '\]' | '\\' | '\' [,-efnrtv] | bmp-code | character-2 bmp-code ::= '\' 'u' [0-9a-fA-F] [0-9a-fA-F] [0-9a-fA-F] [0-9a-fA-F]

Throws:

ParseException

parseSetOperations

protected RangeToken parseSetOperations()
                                 throws ParseException

'(?[' ... ']' (('-' | '+' | '&') '[' ... ']')? ')'

Throws:: ParseException

getTokenForShorthand
```
Token getTokenForShorthand(int ch)
```

decodeEscaped

int decodeEscaped()
           throws ParseException

Throws:: ParseException

hexChar

private static final int hexChar(int ch)

Class RegexParser

Nested Class Summary

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

T_CHAR

T_EOF

T_OR

T_STAR

T_PLUS

T_QUESTION

T_LPAREN

T_RPAREN

T_DOT

T_LBRACKET

T_BACKSOLIDUS

T_CARET

T_DOLLAR

T_LPAREN2

T_LOOKAHEAD

T_NEGATIVELOOKAHEAD

T_LOOKBEHIND

T_NEGATIVELOOKBEHIND

T_INDEPENDENT

T_SET_OPERATIONS

T_POSIX_CHARCLASS_START

T_COMMENT

T_MODIFIERS

T_CONDITION

T_XMLSCHEMA_CC_SUBTRACTION

offset

regex

regexlen

options

resources

chardata

nexttoken

S_NORMAL

S_INBRACKETS

S_INXBRACKETS

context

parennumber

hasBackReferences

references

Constructor Detail

RegexParser

RegexParser

Method Detail

setLocale

ex

isSet

parse

setContext

read

next

parseRegex

parseTerm

processCaret

processDollar

processLookahead

processNegativelookahead

processLookbehind

processNegativelookbehind

processBacksolidus_A

processBacksolidus_Z

processBacksolidus_z

processBacksolidus_b

processBacksolidus_B

processBacksolidus_lt

processBacksolidus_gt

processStar

processPlus

processQuestion

checkQuestion

processParen

processParen2

processCondition

processModifiers