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## net.sf.saxon.regex
Class SurrogateRegexTranslator.CharClass

    java.lang.Object
      net.sf.saxon.regex.SurrogateRegexTranslator.CharClass

Direct Known Subclasses:
  SurrogateRegexTranslator.BackReference, SurrogateRegexTranslator.Complement, SurrogateRegexTranslator.Dot, SurrogateRegexTranslator.SimpleCharClass

Enclosing class:
  SurrogateRegexTranslator

    protected abstract static class SurrogateRegexTranslator.CharClass

extends java.lang.Object

Object representing a character class

Constructor Summary
`protected` | `SurrogateRegexTranslator.CharClass(int containsBmp, int containsNonBmp)` Create a character class

Method Summary
`void` | `addNonBmpRanges(java.util.List ranges)` Add to a supplied List, ranges of non-BMP characters that are matched by this character class.
`int` | `getContainsBmp()` Determine whether this character class contains NONE, SOME, or ALL of the BMP characters
`int` | `getContainsNonBmp()` Determine whether this character class contains NONE, SOME, or ALL of the non-BMP characters
`int` | `getSingleChar()` If this character class contains a single character, get that character
`void` | `output(FastStringBuffer buf)` Output a representation of this character class to the supplied buffer
`abstract void` | `outputBmp(FastStringBuffer buf)` Output a representation of the subset of this character class that's within the BMP, to a supplied buffer
`abstract void` | `outputComplementBmp(FastStringBuffer buf)` Output a representation of the complement of the subset of this character class that's within the BMP, to a supplied buffer

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

Constructor Detail

### SurrogateRegexTranslator.CharClass

    protected SurrogateRegexTranslator.CharClass(int containsBmp,
                                                 int containsNonBmp)

  Create a character class

  Parameters:
    `containsBmp` - NONE, SOME, or ALL, depending on whether the character class contains all the BMP characters, some of the BMP characters, or none of the BMP characters
    `containsNonBmp` - NONE, SOME, or ALL, depending on whether the character class contains all the non-BMP characters, some of the non-BMP characters, or none of the non-BMP characters

Method Detail

### getContainsBmp

    public int getContainsBmp()

  Determine whether this character class contains NONE, SOME, or ALL of the BMP characters

  Returns:
    NONE, SOME, or ALL

### getContainsNonBmp

    public int getContainsNonBmp()

  Determine whether this character class contains NONE, SOME, or ALL of the non-BMP characters

  Returns:
    NONE, SOME, or ALL

### output

    public final void output(FastStringBuffer buf)

  Output a representation of this character class to the supplied buffer

  Parameters:
    `buf` - the supplied buffer

### outputBmp

    public abstract void outputBmp(FastStringBuffer buf)

  Output a representation of the subset of this character class that's within the BMP, to a supplied buffer

  Parameters:
    `buf` - the supplied buffer

### outputComplementBmp

    public abstract void outputComplementBmp(FastStringBuffer buf)

  Output a representation of the complement of the subset of this character class that's within the BMP, to a supplied buffer

  Parameters:
    `buf` - the supplied buffer

### getSingleChar

    public int getSingleChar()

  If this character class contains a single character, get that character

  Returns:
    the single character matched by this character class, or -1 if it matches multiple characters

### addNonBmpRanges

    public void addNonBmpRanges(java.util.List ranges)

  Add to a supplied List, ranges of non-BMP characters that are matched by this character class. Default implementation does nothing.

  Parameters:
    `ranges` - a List to which this method will add zero or more Range objects denoting ranges of non-BMP characters

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