/*
* call-seq:
* struct[symbol] -> anObject
* struct[fixnum] -> anObject
*
* Attribute Reference---Returns the value of the instance variable
* named by <i>symbol</i>, or indexed (0..length-1) by
* <i>fixnum</i>. Will raise <code>NameError</code> if the named
* variable does not exist, or <code>IndexError</code> if the index is
* out of range.
*
* Customer = Struct.new(:name, :address, :zip)
* joe = Customer.new("Joe Smith", "123 Maple, Anytown NC", 12345)
*
* joe["name"] #=> "Joe Smith"
* joe[:name] #=> "Joe Smith"
* joe[0] #=> "Joe Smith"
*/
mrb_value
mrb_struct_aref_n(mrb_state *mrb, mrb_value s, mrb_value idx)
{
mrb_int i;
if (mrb_string_p(idx)) {
mrb_value sym = mrb_check_intern_str(mrb, idx);
if (mrb_nil_p(sym)) {
mrb_raisef(mrb, E_INDEX_ERROR, "no member '%S' in struct", idx);
}
idx = sym;
}
if (mrb_symbol_p(idx)) {
return mrb_struct_aref_id(mrb, s, mrb_symbol(idx));
}
i = mrb_fixnum(idx);
if (i < 0) i = RSTRUCT_LEN(s) + i;
if (i < 0)
mrb_raisef(mrb, E_INDEX_ERROR,
"offset %S too small for struct(size:%S)",
mrb_fixnum_value(i), mrb_fixnum_value(RSTRUCT_LEN(s)));
if (RSTRUCT_LEN(s) <= i)
mrb_raisef(mrb, E_INDEX_ERROR,
"offset %S too large for struct(size:%S)",
mrb_fixnum_value(i), mrb_fixnum_value(RSTRUCT_LEN(s)));
return RSTRUCT_PTR(s)[i];
}
/*
* call-seq:
* struct[symbol] -> anObject
* struct[fixnum] -> anObject
*
* Attribute Reference---Returns the value of the instance variable
* named by <i>symbol</i>, or indexed (0..length-1) by
* <i>fixnum</i>. Will raise <code>NameError</code> if the named
* variable does not exist, or <code>IndexError</code> if the index is
* out of range.
*
* Customer = Struct.new(:name, :address, :zip)
* joe = Customer.new("Joe Smith", "123 Maple, Anytown NC", 12345)
*
* joe["name"] #=> "Joe Smith"
* joe[:name] #=> "Joe Smith"
* joe[0] #=> "Joe Smith"
*/
mrb_value
mrb_struct_aref_n(mrb_state *mrb, mrb_value s, mrb_value idx)
{
long i;
if (mrb_type(idx) == MRB_TT_STRING || mrb_type(idx) == MRB_TT_SYMBOL) {
return mrb_struct_aref_id(mrb, s, mrb_to_id(mrb, idx));
}
i = mrb_fixnum(idx);
if (i < 0) i = RSTRUCT_LEN(s) + i;
if (i < 0)
mrb_raise(mrb, E_INDEX_ERROR, "offset %ld too small for struct(size:%ld)",
i, RSTRUCT_LEN(s));
if (RSTRUCT_LEN(s) <= i)
mrb_raise(mrb, E_INDEX_ERROR, "offset %ld too large for struct(size:%ld)",
i, RSTRUCT_LEN(s));
return RSTRUCT_PTR(s)[i];
}
/*
* call-seq:
* struct[symbol] -> anObject
* struct[fixnum] -> anObject
*
* Attribute Reference---Returns the value of the instance variable
* named by <i>symbol</i>, or indexed (0..length-1) by
* <i>fixnum</i>. Will raise <code>NameError</code> if the named
* variable does not exist, or <code>IndexError</code> if the index is
* out of range.
*
* Customer = Struct.new(:name, :address, :zip)
* joe = Customer.new("Joe Smith", "123 Maple, Anytown NC", 12345)
*
* joe["name"] #=> "Joe Smith"
* joe[:name] #=> "Joe Smith"
* joe[0] #=> "Joe Smith"
*/
mrb_value
mrb_struct_aref_n(mrb_state *mrb, mrb_value s, mrb_value idx)
{
mrb_int i;
if (mrb_string_p(idx) || mrb_symbol_p(idx)) {
return mrb_struct_aref_id(mrb, s, mrb_to_id(mrb, idx));
}
i = mrb_fixnum(idx);
if (i < 0) i = RSTRUCT_LEN(s) + i;
if (i < 0)
mrb_raisef(mrb, E_INDEX_ERROR,
"offset %" PRIdMRB_INT " too small for struct(size:%" PRIdMRB_INT ")",
i, RSTRUCT_LEN(s));
if (RSTRUCT_LEN(s) <= i)
mrb_raisef(mrb, E_INDEX_ERROR,
"offset %" PRIdMRB_INT " too large for struct(size:%" PRIdMRB_INT ")",
i, RSTRUCT_LEN(s));
return RSTRUCT_PTR(s)[i];
}
