java.lang.Object
- net.sf.saxon.regex.RegexTranslator

Direct Known Subclasses:

JDK15RegexTranslator, SurrogateRegexTranslator
```
public abstract class RegexTranslator
extends java.lang.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 class RegexTranslator.Range
A Range represents a range of consecutive Unicode codepoints

Field Summary

Fields
Modifier and Type	Field	Description
`static 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 int`	`NONE`
`static java.lang.String`	`NOT_ALLOWED_CLASS`
`protected int`	`pos`
`protected java.lang.CharSequence`	`regExp`
`protected FastStringBuffer`	`result`
`static int`	`SOME`
`static java.lang.String`	`SURROGATES1_CLASS`
`static java.lang.String`	`SURROGATES2_CLASS`
`protected int`	`xmlVersion`

Constructor Summary

Constructors
Constructor Description

RegexTranslator()

Method Summary

All Methods Static Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`protected int`	`absorbSurrogatePair()`
`protected void`	`advance()`
`protected void`	`copyCurChar()`
`protected void`	`expect(char c)`
`protected static java.lang.String`	`highSurrogateRanges(java.util.List ranges)`
`protected static boolean`	`isAsciiAlnum(char c)`
`protected static boolean`	`isBlock(java.lang.String name)`
`protected static boolean`	`isJavaMetaChar(int c)`
`protected static java.lang.String`	`lowSurrogateRanges(java.util.List ranges)`
`protected RegexSyntaxException`	`makeException(java.lang.String key)`
`protected RegexSyntaxException`	`makeException(java.lang.String key, java.lang.String arg)`
`protected java.lang.CharSequence`	`parseQuantExact()`
`protected void`	`recede()`
`protected static void`	`sortRangeList(java.util.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 Detail

regExp

protected java.lang.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 java.lang.String SURROGATES1_CLASS

See Also:: Constant Field Values

SURROGATES2_CLASS

public static final java.lang.String SURROGATES2_CLASS

See Also:: Constant Field Values

NOT_ALLOWED_CLASS

public static final java.lang.String NOT_ALLOWED_CLASS

See Also:: Constant Field Values

Constructor Detail
- RegexTranslator
```
public RegexTranslator()
```

Method Detail

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 java.lang.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(java.lang.String key)

makeException

protected RegexSyntaxException makeException(java.lang.String key,
                                             java.lang.String arg)

isJavaMetaChar

protected static boolean isJavaMetaChar(int c)

highSurrogateRanges

protected static java.lang.String highSurrogateRanges(java.util.List ranges)

lowSurrogateRanges

protected static java.lang.String lowSurrogateRanges(java.util.List ranges)

sortRangeList

protected static void sortRangeList(java.util.List ranges)

isBlock

protected static boolean isBlock(java.lang.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 Detail

regExp

xmlVersion

isXPath

ignoreWhitespace

inCharClassExpr

caseBlind

pos

length

curChar

eos

currentCapture

captures

result

NONE

SOME

ALL

SURROGATES1_CLASS

SURROGATES2_CLASS

NOT_ALLOWED_CLASS

Constructor Detail

RegexTranslator

Method Detail

translateTop

translateRegExp

translateBranch

translateAtom

translateQuantifier

translateQuantity

parseQuantExact

copyCurChar

advance

absorbSurrogatePair

recede

expect

makeException

makeException

isJavaMetaChar

highSurrogateRanges

lowSurrogateRanges

sortRangeList

isBlock

isAsciiAlnum