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## gnu.prolog.io
Class CharConversionTable

    java.lang.Object
      gnu.prolog.io.CharConversionTable

    public class CharConversionTable

extends Object

A conversion map, used by `char_conversion` and `current_char_conversion` and `TextInputPrologStream.readTerm(Term,Interpreter,ReadOptions)` .

Author:
  Michiel Hendriks

Field Summary
`protected Map<Character,Character>` | `conv`

Constructor Summary
`CharConversionTable()`

Method Summary
`String` | `applyConversion(String fromString)` Apply this `CharConversionTable` to fromString
`Term` | `charConvert(Term term, Environment environment)` Apply `CharConversionTable` to term if this should happen.
`char` | `convert(char input)` Convert a character.
`Set<Character>` | `convertsTo(char toChar)` Returns the set of characters which are converted to this character
`boolean` | `hasConversions()`
`void` | `setConversion(char from, char to)` Set the conversion of a character

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

Field Detail

### conv

    protected Map<Character,Character> conv

Constructor Detail

### CharConversionTable

    public CharConversionTable()

Method Detail

### hasConversions

    public boolean hasConversions()

  Returns:
    True if there are conversions (other than c==c)

### setConversion

    public void setConversion(char from,
                              char to)

  Set the conversion of a character

  Parameters:
    `from` -
    `to` -

### convert

    public char convert(char input)

  Convert a character.

  Parameters:
    `input` -
  Returns:
    the converted character

### convertsTo

    public Set<Character> convertsTo(char toChar)

  Returns the set of characters which are converted to this character

  Parameters:
    `toChar` -
  Returns:
    the set of characters which are converted to this character

### charConvert

    public Term charConvert(Term term,
                            Environment environment)

  Apply `CharConversionTable` to term if this should happen.

  Parameters:
    `term` - the term to apply the conversion to
    `environment` - the environment this is happening in (provides the flag value)
  Returns:
    the converted term.
  See Also:
    `TextInputPrologStream.readTerm(Term,Interpreter,ReadOptions)`

### applyConversion

    public String applyConversion(String fromString)

  Apply this `CharConversionTable` to fromString

  Parameters:
    `fromString` - the string to apply the conversion to
  Returns:
    the converted string

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