java.lang.Object

net.sf.saxon.regex.RegexTranslator

Direct Known Subclasses:: JDK15RegexTranslator, SurrogateRegexTranslator

public abstract class RegexTranslator extends Object

Abstract superclass for the various regex translators, which differ according to the target platform.

Nested Class Summary

Nested Classes

Modifier and Type

Class

Description

static final class

RegexTranslator.Range

A Range represents a range of consecutive Unicode codepoints
Field Summary

Fields

Modifier and Type

Field

Description

static final int

ALL

protected IntHashSet

captures

protected boolean

caseBlind

protected char

curChar

protected int

currentCapture

protected boolean

eos

protected boolean

ignoreWhitespace

protected boolean

inCharClassExpr

protected boolean

isXPath

protected int

length

static final int

NONE

static final String

NOT_ALLOWED_CLASS

protected int

pos

protected CharSequence

regExp

protected final FastStringBuffer

result

static final int

SOME

static final String

SURROGATES1_CLASS

static final String

SURROGATES2_CLASS

protected int

xmlVersion
Constructor Summary

Constructors

Constructor

Description

RegexTranslator()
Method Summary

Modifier and Type

Method

Description

protected int

absorbSurrogatePair()

protected void

advance()

protected void

copyCurChar()

protected void

expect(char c)

protected static String

highSurrogateRanges(List ranges)

protected static boolean

isAsciiAlnum(char c)

protected static boolean

isBlock(String name)

protected static boolean

isJavaMetaChar(int c)

protected static String

lowSurrogateRanges(List ranges)

protected RegexSyntaxException

makeException(String key)

protected RegexSyntaxException

makeException(String key, String arg)

protected CharSequence

parseQuantExact()

protected void

recede()

protected static void

sortRangeList(List ranges)

protected abstract boolean

translateAtom()

protected void

translateBranch()

protected void

translateQuantifier()

protected void

translateQuantity()

protected void

translateRegExp()

protected void

translateTop()

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

Field Details
- regExp
  
  protected CharSequence regExp
- xmlVersion
  
  protected int xmlVersion
- isXPath
  
  protected boolean isXPath
- ignoreWhitespace
  
  protected boolean ignoreWhitespace
- inCharClassExpr
  
  protected boolean inCharClassExpr
- caseBlind
  
  protected boolean caseBlind
- pos
  
  protected int pos
- length
  
  protected int length
- curChar
  
  protected char curChar
- eos
  
  protected boolean eos
- currentCapture
  
  protected int currentCapture
- captures
  
  protected IntHashSet captures
- result
  
  protected final FastStringBuffer result
- NONE
  
  public static final int NONE
  See Also:
  
  Constant Field Values
- SOME
  
  public static final int SOME
  See Also:
  
  Constant Field Values
- ALL
  
  public static final int ALL
  See Also:
  
  Constant Field Values
- SURROGATES1_CLASS
  
  public static final String SURROGATES1_CLASS
  See Also:
  
  Constant Field Values
- SURROGATES2_CLASS
  
  public static final String SURROGATES2_CLASS
  See Also:
  
  Constant Field Values
- NOT_ALLOWED_CLASS
  
  public static final String NOT_ALLOWED_CLASS
  See Also:
  
  Constant Field Values
Constructor Details
- RegexTranslator
  
  public RegexTranslator()
Method Details
- translateTop
  
  protected void translateTop() throws RegexSyntaxException
  
  Throws:
  
  RegexSyntaxException
- translateRegExp
  
  protected void translateRegExp() throws RegexSyntaxException
  
  Throws:
  
  RegexSyntaxException
- translateBranch
  
  protected void translateBranch() throws RegexSyntaxException
  
  Throws:
  
  RegexSyntaxException
- translateAtom
  
  protected abstract boolean translateAtom() throws RegexSyntaxException
  
  Throws:
  
  RegexSyntaxException
- translateQuantifier
  
  protected void translateQuantifier() throws RegexSyntaxException
  
  Throws:
  
  RegexSyntaxException
- translateQuantity
  
  protected void translateQuantity() throws RegexSyntaxException
  
  Throws:
  
  RegexSyntaxException
- parseQuantExact
  
  protected CharSequence parseQuantExact() throws RegexSyntaxException
  
  Throws:
  
  RegexSyntaxException
- copyCurChar
  
  protected void copyCurChar()
- advance
  
  protected void advance()
- absorbSurrogatePair
  
  protected int absorbSurrogatePair() throws RegexSyntaxException
  
  Throws:
  
  RegexSyntaxException
- recede
  
  protected void recede()
- expect
  
  protected void expect(char c) throws RegexSyntaxException
  
  Throws:
  
  RegexSyntaxException
- makeException
  
  protected RegexSyntaxException makeException(String key)
- makeException
  
  protected RegexSyntaxException makeException(String key, String arg)
- isJavaMetaChar
  
  protected static boolean isJavaMetaChar(int c)
- highSurrogateRanges
  
  protected static String highSurrogateRanges(List ranges)
- lowSurrogateRanges
  
  protected static String lowSurrogateRanges(List ranges)
- sortRangeList
  
  protected static void sortRangeList(List ranges)
- isBlock
  
  protected static boolean isBlock(String name)
- isAsciiAlnum
  
  protected static boolean isAsciiAlnum(char c)

Class RegexTranslator

Nested Class Summary

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Details

regExp

xmlVersion

isXPath

ignoreWhitespace

inCharClassExpr

caseBlind

pos

length

curChar

eos

currentCapture

captures

result

NONE

SOME

ALL

SURROGATES1_CLASS

SURROGATES2_CLASS

NOT_ALLOWED_CLASS

Constructor Details

RegexTranslator

Method Details

translateTop

translateRegExp

translateBranch

translateAtom

translateQuantifier

translateQuantity

parseQuantExact

copyCurChar

advance

absorbSurrogatePair

recede

expect

makeException

makeException

isJavaMetaChar

highSurrogateRanges

lowSurrogateRanges

sortRangeList

isBlock

isAsciiAlnum