rb_encoding *
rb_to_encoding(VALUE enc)
{
if (enc_check_encoding(enc) >= 0) return RDATA(enc)->data;
return to_encoding(enc);
}
mrb_encoding *
mrb_to_encoding(mrb_state *mrb, mrb_value enc)
{
if (enc_check_encoding(mrb, enc) >= 0) return RDATA(enc)->data;
return to_encoding(mrb, enc);
}
/*
* call-seq:
* Encoding.find(string) -> enc
* Encoding.find(symbol) -> enc
*
* Search the encoding with specified <i>name</i>.
* <i>name</i> should be a string or symbol.
*
* Encoding.find("US-ASCII") #=> #<Encoding:US-ASCII>
* Encoding.find(:Shift_JIS) #=> #<Encoding:Shift_JIS>
*
* Names which this method accept are encoding names and aliases
* including following special aliases
*
* "external":: default external encoding
* "internal":: default internal encoding
* "locale":: locale encoding
* "filesystem":: filesystem encoding
*
* An ArgumentError is raised when no encoding with <i>name</i>.
* Only <code>Encoding.find("internal")</code> however returns nil
* when no encoding named "internal", in other words, when Ruby has no
* default internal encoding.
*/
static VALUE
enc_find(VALUE klass, VALUE enc)
{
return rb_enc_from_encoding(to_encoding(enc));
}
