class Encoding::UndefinedConversionError - Documentation for Ruby 4.0
Description: class Encoding::UndefinedConversionError: Raised by Encoding and String methods when a transcoding operation fails.
Keywords: ruby,class,Encoding::UndefinedConversionError

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# class Encoding::UndefinedConversionError

Raised by `Encoding` and `String` methods when a transcoding operation fails.

### Public Instance Methods

destination_encoding → string
Source

    static VALUE
    ecerr_destination_encoding(VALUE self)
    {
        return rb_attr_get(self, id_destination_encoding);
    }

Returns the destination encoding as an encoding object.

destination_encoding_name → string
Source

    static VALUE
    ecerr_destination_encoding_name(VALUE self)
    {
        return rb_attr_get(self, id_destination_encoding_name);
    }

Returns the destination encoding name as a string.

error_char → string
Source

    static VALUE
    ecerr_error_char(VALUE self)
    {
        return rb_attr_get(self, id_error_char);
    }

Returns the one-character string which cause `Encoding::UndefinedConversionError`.

    ec = Encoding::Converter.new("ISO-8859-1", "EUC-JP")
    begin
      ec.convert("\xa0")
    rescue Encoding::UndefinedConversionError
      puts $!.error_char.dump   #=> "\xC2\xA0"
      p $!.error_char.encoding  #=> #<Encoding:UTF-8>
    end

source_encoding → encoding
Source

    static VALUE
    ecerr_source_encoding(VALUE self)
    {
        return rb_attr_get(self, id_source_encoding);
    }

Returns the source encoding as an encoding object.

Note that the result may not be equal to the source encoding of the encoding converter if the conversion has multiple steps.

    ec = Encoding::Converter.new("ISO-8859-1", "EUC-JP") # ISO-8859-1 -> UTF-8 -> EUC-JP
    begin
      ec.convert("\xa0") # NO-BREAK SPACE, which is available in UTF-8 but not in EUC-JP.
    rescue Encoding::UndefinedConversionError
      p $!.source_encoding              #=> #<Encoding:UTF-8>
      p $!.destination_encoding         #=> #<Encoding:EUC-JP>
      p $!.source_encoding_name         #=> "UTF-8"
      p $!.destination_encoding_name    #=> "EUC-JP"
    end

source_encoding_name → string
Source

    static VALUE
    ecerr_source_encoding_name(VALUE self)
    {
        return rb_attr_get(self, id_source_encoding_name);
    }

Returns the source encoding name as a string.