org.enhydra.apache.xerces.utils.regex
Class RegexParser
java.lang.Object
|
+--org.enhydra.apache.xerces.utils.regex.RegexParser
- Direct Known Subclasses:
- ParserForXMLSchema
- class RegexParser
- extends Object
A Regular Expression Parser.
Methods inherited from class java.lang.Object |
, clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
T_CHAR
static final int T_CHAR
T_EOF
static final int T_EOF
T_OR
static final int T_OR
T_STAR
static final int T_STAR
T_PLUS
static final int T_PLUS
T_QUESTION
static final int T_QUESTION
T_LPAREN
static final int T_LPAREN
T_RPAREN
static final int T_RPAREN
T_DOT
static final int T_DOT
T_LBRACKET
static final int T_LBRACKET
T_BACKSOLIDUS
static final int T_BACKSOLIDUS
T_CARET
static final int T_CARET
T_DOLLAR
static final int T_DOLLAR
T_LPAREN2
static final int T_LPAREN2
T_LOOKAHEAD
static final int T_LOOKAHEAD
T_NEGATIVELOOKAHEAD
static final int T_NEGATIVELOOKAHEAD
T_LOOKBEHIND
static final int T_LOOKBEHIND
T_NEGATIVELOOKBEHIND
static final int T_NEGATIVELOOKBEHIND
T_INDEPENDENT
static final int T_INDEPENDENT
T_SET_OPERATIONS
static final int T_SET_OPERATIONS
T_POSIX_CHARCLASS_START
static final int T_POSIX_CHARCLASS_START
T_COMMENT
static final int T_COMMENT
T_MODIFIERS
static final int T_MODIFIERS
T_CONDITION
static final int T_CONDITION
T_XMLSCHEMA_CC_SUBTRACTION
static final int T_XMLSCHEMA_CC_SUBTRACTION
offset
int offset
regex
String regex
regexlen
int regexlen
options
int options
resources
ResourceBundle resources
chardata
int chardata
nexttoken
int nexttoken
S_NORMAL
protected static final int S_NORMAL
S_INBRACKETS
protected static final int S_INBRACKETS
S_INXBRACKETS
protected static final int S_INXBRACKETS
context
int context
parennumber
int parennumber
hasBackReferences
boolean hasBackReferences
references
Vector references
RegexParser
public RegexParser()
RegexParser
public RegexParser(Locale locale)
setLocale
public void setLocale(Locale locale)
ex
final ParseException ex(String key,
int loc)
parse
Token parse(String regex,
int options)
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
parseTerm
Token parseTerm()
throws ParseException
- term ::= factor+
processCaret
Token processCaret()
throws ParseException
processDollar
Token processDollar()
throws ParseException
processLookahead
Token processLookahead()
throws ParseException
processNegativelookahead
Token processNegativelookahead()
throws ParseException
processLookbehind
Token processLookbehind()
throws ParseException
processNegativelookbehind
Token processNegativelookbehind()
throws ParseException
processBacksolidus_A
Token processBacksolidus_A()
throws ParseException
processBacksolidus_Z
Token processBacksolidus_Z()
throws ParseException
processBacksolidus_z
Token processBacksolidus_z()
throws ParseException
processBacksolidus_b
Token processBacksolidus_b()
throws ParseException
processBacksolidus_B
Token processBacksolidus_B()
throws ParseException
processBacksolidus_lt
Token processBacksolidus_lt()
throws ParseException
processBacksolidus_gt
Token processBacksolidus_gt()
throws ParseException
processStar
Token processStar(Token tok)
throws ParseException
processPlus
Token processPlus(Token tok)
throws ParseException
processQuestion
Token processQuestion(Token tok)
throws ParseException
checkQuestion
boolean checkQuestion(int off)
processParen
Token processParen()
throws ParseException
processParen2
Token processParen2()
throws ParseException
processCondition
Token processCondition()
throws ParseException
processModifiers
Token processModifiers()
throws ParseException
processIndependent
Token processIndependent()
throws ParseException
processBacksolidus_c
Token processBacksolidus_c()
throws ParseException
processBacksolidus_C
Token processBacksolidus_C()
throws ParseException
processBacksolidus_i
Token processBacksolidus_i()
throws ParseException
processBacksolidus_I
Token processBacksolidus_I()
throws ParseException
processBacksolidus_g
Token processBacksolidus_g()
throws ParseException
processBacksolidus_X
Token processBacksolidus_X()
throws ParseException
processBackreference
Token processBackreference()
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]+
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
processBacksolidus_pP
protected RangeToken processBacksolidus_pP(int c)
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]
parseSetOperations
protected RangeToken parseSetOperations()
throws ParseException
- '(?[' ... ']' (('-' | '+' | '&') '[' ... ']')? ')'
getTokenForShorthand
Token getTokenForShorthand(int ch)
decodeEscaped
int decodeEscaped()
throws ParseException
Copyright © 1999 The Apache Software Foundation. All Rights reserved.