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#include "ruby/ruby.h"
#include "ruby/encoding.h"
static VALUE sym_7bit, sym_valid, sym_unknown, sym_broken;
static VALUE
coderange_int2sym(int coderange)
{
switch (coderange) {
case ENC_CODERANGE_7BIT:
return sym_7bit;
case ENC_CODERANGE_VALID:
return sym_valid;
case ENC_CODERANGE_UNKNOWN:
return sym_unknown;
case ENC_CODERANGE_BROKEN:
return sym_broken;
}
rb_bug("wrong condition of coderange");
UNREACHABLE_RETURN(Qnil);
}
/* return coderange without scan */
static VALUE
str_coderange(VALUE str)
{
return coderange_int2sym(ENC_CODERANGE(str));
}
/* scan coderange and return the result */
static VALUE
str_coderange_scan(VALUE str)
{
ENC_CODERANGE_SET(str, ENC_CODERANGE_UNKNOWN);
return coderange_int2sym(rb_enc_str_coderange(str));
}
void
Init_string_coderange(VALUE klass)
{
sym_7bit = ID2SYM(rb_intern_const("7bit"));
sym_valid = ID2SYM(rb_intern_const("valid"));
sym_unknown = ID2SYM(rb_intern_const("unknown"));
sym_broken = ID2SYM(rb_intern_const("broken"));
rb_define_method(klass, "coderange", str_coderange, 0);
rb_define_method(klass, "coderange_scan", str_coderange_scan, 0);
}
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