VALUE
rb_struct_aref(VALUE s, VALUE idx)
{
long i;
if (RB_TYPE_P(idx, T_SYMBOL)) {
return rb_struct_aref_id(s, SYM2ID(idx));
}
else if (RB_TYPE_P(idx, T_STRING)) {
ID id = rb_check_id(&idx);
if (!id) {
rb_name_error_str(idx, "no member '%"PRIsVALUE"' in struct",
QUOTE(idx));
}
return rb_struct_aref_id(s, id);
}
i = NUM2LONG(idx);
if (i < 0) i = RSTRUCT_LEN(s) + i;
if (i < 0)
rb_raise(rb_eIndexError, "offset %ld too small for struct(size:%ld)",
i, RSTRUCT_LEN(s));
if (RSTRUCT_LEN(s) <= i)
rb_raise(rb_eIndexError, "offset %ld too large for struct(size:%ld)",
i, RSTRUCT_LEN(s));
return RSTRUCT_PTR(s)[i];
}
static mrb_value
mrb_struct_aset(mrb_state *mrb, mrb_value s)
{
mrb_int i;
mrb_value idx;
mrb_value val;
mrb_get_args(mrb, "oo", &idx, &val);
if (mrb_string_p(idx)) {
mrb_value sym = mrb_check_intern_str(mrb, idx);
if (mrb_nil_p(sym)) {
mrb_name_error(mrb, mrb_intern_str(mrb, idx), "no member '%S' in struct", idx);
}
idx = sym;
}
if (mrb_symbol_p(idx)) {
return mrb_struct_aset_sym(mrb, s, mrb_symbol(idx), val);
}
i = mrb_int(mrb, 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] = val;
}
mrb_value
mrb_struct_aset(mrb_state *mrb, mrb_value s)
{
mrb_int i;
mrb_value idx;
mrb_value val;
mrb_get_args(mrb, "oo", &idx, &val);
if (mrb_string_p(idx) || mrb_symbol_p(idx)) {
return mrb_struct_aset_id(mrb, s, mrb_obj_to_sym(mrb, idx), val);
}
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] = val;
}
/*
* code-seq:
* struct.eql?(other) -> true or false
*
* Two structures are equal if they are the same object, or if all their
* fields are equal (using <code>eql?</code>).
*/
static mrb_value
mrb_struct_eql(mrb_state *mrb, mrb_value s)
{
mrb_value s2;
mrb_value *ptr, *ptr2;
mrb_int i, len;
mrb_get_args(mrb, "o", &s2);
if (mrb_obj_equal(mrb, s, s2)) {
return mrb_true_value();
}
if (mrb_obj_class(mrb, s) != mrb_obj_class(mrb, s2)) {
return mrb_false_value();
}
if (RSTRUCT_LEN(s) != RSTRUCT_LEN(s2)) {
mrb_bug(mrb, "inconsistent struct"); /* should never happen */
}
ptr = RSTRUCT_PTR(s);
ptr2 = RSTRUCT_PTR(s2);
len = RSTRUCT_LEN(s);
for (i=0; i<len; i++) {
if (!mrb_eql(mrb, ptr[i], ptr2[i])) {
return mrb_false_value();
}
}
return mrb_true_value();
}
/*
* code-seq:
* struct.eql?(other) -> true or false
*
* Two structures are equal if they are the same object, or if all their
* fields are equal (using <code>eql?</code>).
*/
static mrb_value
mrb_struct_eql(mrb_state *mrb, mrb_value s)
{
mrb_value s2;
mrb_value *ptr, *ptr2;
mrb_int i, len;
mrb_bool eql_p;
mrb_get_args(mrb, "o", &s2);
if (mrb_obj_equal(mrb, s, s2)) {
eql_p = 1;
}
else if (strcmp(mrb_class_name(mrb, mrb_obj_class(mrb, s2)), "Struct") ||
mrb_obj_class(mrb, s) != mrb_obj_class(mrb, s2)) {
eql_p = 0;
}
else if (RSTRUCT_LEN(s) != RSTRUCT_LEN(s2)) {
mrb_bug(mrb, "inconsistent struct"); /* should never happen */
eql_p = 0; /* This substuture is just to suppress warnings. never called. */
}
else {
ptr = RSTRUCT_PTR(s);
ptr2 = RSTRUCT_PTR(s2);
len = RSTRUCT_LEN(s);
eql_p = 1;
for (i=0; i<len; i++) {
if (!mrb_eql(mrb, ptr[i], ptr2[i])) {
eql_p = 0;
break;
}
}
}
return mrb_bool_value(eql_p);
}
static VALUE
rb_struct_aset_id(VALUE s, ID id, VALUE val)
{
VALUE members, *ptr, *ptr_members;
long i, len;
members = rb_struct_members(s);
len = RARRAY_LEN(members);
rb_struct_modify(s);
if (RSTRUCT_LEN(s) != len) {
rb_raise(rb_eTypeError, "struct size differs (%ld required %ld given)",
len, RSTRUCT_LEN(s));
}
ptr = RSTRUCT_PTR(s);
ptr_members = RARRAY_PTR(members);
for (i=0; i<len; i++) {
if (SYM2ID(ptr_members[i]) == id) {
ptr[i] = val;
return val;
}
}
rb_name_error(id, "no member '%s' in struct", rb_id2name(id));
UNREACHABLE;
}
/*
* 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];
}
mrb_value
mrb_struct_aset(mrb_state *mrb, mrb_value s)
{
long i;
mrb_value idx;
mrb_value val;
mrb_get_args(mrb, "oo", &idx, &val);
if (mrb_type(idx) == MRB_TT_STRING || mrb_type(idx) == MRB_TT_SYMBOL) {
return mrb_struct_aset_id(mrb, s, mrb_to_id(mrb, idx), val);
}
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));
}
mrb_struct_modify(s);
return RSTRUCT_PTR(s)[i] = val;
}
VALUE
rb_struct_aset(VALUE s, VALUE idx, VALUE val)
{
long i;
if (RB_TYPE_P(idx, T_SYMBOL)) {
return rb_struct_aset_id(s, SYM2ID(idx), val);
}
if (RB_TYPE_P(idx, T_STRING)) {
ID id = rb_check_id(&idx);
if (!id) {
rb_name_error_str(idx, "no member '%"PRIsVALUE"' in struct",
QUOTE(idx));
}
return rb_struct_aset_id(s, id, val);
}
i = NUM2LONG(idx);
if (i < 0) i = RSTRUCT_LEN(s) + i;
if (i < 0) {
rb_raise(rb_eIndexError, "offset %ld too small for struct(size:%ld)",
i, RSTRUCT_LEN(s));
}
if (RSTRUCT_LEN(s) <= i) {
rb_raise(rb_eIndexError, "offset %ld too large for struct(size:%ld)",
i, RSTRUCT_LEN(s));
}
rb_struct_modify(s);
RSTRUCT_SET(s, i, val);
return val;
}
static mrb_value
mrb_struct_aset_sym(mrb_state *mrb, mrb_value s, mrb_sym id, mrb_value val)
{
mrb_value members, *ptr;
const mrb_value *ptr_members;
mrb_int i, len;
members = struct_members(mrb, s);
len = RARRAY_LEN(members);
if (RSTRUCT_LEN(s) != len) {
mrb_raisef(mrb, E_TYPE_ERROR,
"struct size differs (%S required %S given)",
mrb_fixnum_value(len), mrb_fixnum_value(RSTRUCT_LEN(s)));
}
ptr = RSTRUCT_PTR(s);
ptr_members = RARRAY_PTR(members);
for (i=0; i<len; i++) {
if (mrb_symbol(ptr_members[i]) == id) {
ptr[i] = val;
return val;
}
}
mrb_name_error(mrb, id, "no member '%S' in struct", mrb_sym2str(mrb, id));
return val; /* not reach */
}
/* :nodoc: */
VALUE
rb_struct_init_copy(VALUE copy, VALUE s)
{
if (!OBJ_INIT_COPY(copy, s)) return copy;
if (RSTRUCT_LEN(copy) != RSTRUCT_LEN(s)) {
rb_raise(rb_eTypeError, "struct size mismatch");
}
MEMCPY(RSTRUCT_PTR(copy), RSTRUCT_PTR(s), VALUE, RSTRUCT_LEN(copy));
return copy;
}
VALUE
rb_struct_members(VALUE s)
{
VALUE members = rb_struct_s_members(rb_obj_class(s));
if (RSTRUCT_LEN(s) != RARRAY_LEN(members)) {
rb_raise(rb_eTypeError, "struct size differs (%ld required %ld given)",
RARRAY_LEN(members), RSTRUCT_LEN(s));
}
return members;
}
static VALUE
rb_struct_eql(VALUE s, VALUE s2)
{
if (s == s2) return Qtrue;
if (!RB_TYPE_P(s2, T_STRUCT)) return Qfalse;
if (rb_obj_class(s) != rb_obj_class(s2)) return Qfalse;
if (RSTRUCT_LEN(s) != RSTRUCT_LEN(s2)) {
rb_bug("inconsistent struct"); /* should never happen */
}
return rb_exec_recursive_paired(recursive_eql, s, s2, s2);
}
mrb_value
mrb_struct_members(mrb_state *mrb, mrb_value s)
{
mrb_value members = mrb_struct_s_members(mrb, mrb_obj_value(mrb_obj_class(mrb, s)));
if (mrb_type(s) == MRB_TT_STRUCT) {
if (RSTRUCT_LEN(s) != RARRAY_LEN(members)) {
mrb_raise(mrb, E_TYPE_ERROR, "struct size differs (%ld required %ld given)",
RARRAY_LEN(members), RSTRUCT_LEN(s));
}
}
return members;
}
mrb_value
mrb_struct_members(mrb_state *mrb, mrb_value s)
{
mrb_value members = mrb_struct_s_members(mrb, mrb_obj_value(mrb_obj_class(mrb, s)));
if (!strcmp(mrb_class_name(mrb, mrb_obj_class(mrb, s)), "Struct")) {
if (RSTRUCT_LEN(s) != RARRAY_LEN(members)) {
mrb_raisef(mrb, E_TYPE_ERROR,
"struct size differs (%S required %S given)",
mrb_fixnum_value(RARRAY_LEN(members)), mrb_fixnum_value(RSTRUCT_LEN(s)));
}
}
return members;
}
static mrb_value
struct_aref_int(mrb_state *mrb, mrb_value s, mrb_int i)
{
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];
}
static mrb_value
struct_members(mrb_state *mrb, mrb_value s)
{
mrb_value members = struct_s_members(mrb, mrb_obj_class(mrb, s));
if (!mrb_array_p(s)) {
mrb_raise(mrb, E_TYPE_ERROR, "corrupted struct");
}
if (RSTRUCT_LEN(s) != RARRAY_LEN(members)) {
mrb_raisef(mrb, E_TYPE_ERROR,
"struct size differs (%S required %S given)",
mrb_fixnum_value(RARRAY_LEN(members)), mrb_fixnum_value(RSTRUCT_LEN(s)));
}
return members;
}
/*
* code-seq:
* struct.eql?(other) -> true or false
*
* Two structures are equal if they are the same object, or if all their
* fields are equal (using <code>eql?</code>).
*/
static mrb_value
mrb_struct_eql(mrb_state *mrb, mrb_value s)
{
mrb_value s2;
mrb_get_args(mrb, "o", &s2);
if (mrb_obj_equal(mrb, s, s2)) return mrb_true_value();
if (mrb_type(s2) != MRB_TT_STRUCT) return mrb_false_value();
if (mrb_obj_class(mrb, s) != mrb_obj_class(mrb, s2)) return mrb_false_value();
if (RSTRUCT_LEN(s) != RSTRUCT_LEN(s2)) {
mrb_bug("inconsistent struct"); /* should never happen */
}
return mrb_exec_recursive_paired(mrb, recursive_eql, s, s2, (void*)0);
}
/* :nodoc: */
VALUE
rb_struct_init_copy(VALUE copy, VALUE s)
{
if (copy == s) return copy;
rb_check_frozen(copy);
if (!rb_obj_is_instance_of(s, rb_obj_class(copy))) {
rb_raise(rb_eTypeError, "wrong argument class");
}
if (RSTRUCT_LEN(copy) != RSTRUCT_LEN(s)) {
rb_raise(rb_eTypeError, "struct size mismatch");
}
MEMCPY(RSTRUCT_PTR(copy), RSTRUCT_PTR(s), VALUE, RSTRUCT_LEN(copy));
return copy;
}
/*
:nodoc:
*/
static void get_min_max(VALUE segment, VALUE *min, VALUE *max)
{
VALUE *tmp;
switch(TYPE(segment))
{
case T_ARRAY:
if(RARRAY_LEN(segment) < 2)
rb_raise(eMiyakoError, "pairs have illegal array! (above 2 elements)");
tmp = RARRAY_PTR(segment);
*min = *tmp++;
*max = *tmp;
break;
case T_STRUCT:
if(RSTRUCT_LEN(segment) < 2)
rb_raise(eMiyakoError, "pairs have illegal struct! (above 2 attributes)");
tmp = RSTRUCT_PTR(segment);
*min = *tmp++;
*max = *tmp;
break;
default:
*min = rb_funcall(segment, rb_intern("min"), 0);
*max = rb_funcall(segment, rb_intern("max"), 0);
break;
}
}
/* :nodoc: */
VALUE
rb_struct_init_copy(VALUE copy, VALUE s)
{
long i, len;
if (!OBJ_INIT_COPY(copy, s)) return copy;
if (RSTRUCT_LEN(copy) != RSTRUCT_LEN(s)) {
rb_raise(rb_eTypeError, "struct size mismatch");
}
for (i=0, len=RSTRUCT_LEN(copy); i<len; i++) {
RSTRUCT_SET(copy, i, RSTRUCT_GET(s, i));
}
return copy;
}
/*
:nodoc:
*/
static void get_position(VALUE pos, Sint16 *x, Sint16 *y)
{
VALUE *tmp;
switch(TYPE(pos))
{
case T_ARRAY:
if(RARRAY_LEN(pos) < 2)
rb_raise(eMiyakoError, "pairs have illegal array!");
tmp = RARRAY_PTR(pos);
*x = (Sint16)(NUM2INT(*tmp++));
*y = (Sint16)(NUM2INT(*tmp));
break;
case T_STRUCT:
if(RSTRUCT_LEN(pos) < 2)
rb_raise(eMiyakoError, "pairs have illegal struct!");
tmp = RSTRUCT_PTR(pos);
*x = (Sint16)(NUM2INT(*tmp++));
*y = (Sint16)(NUM2INT(*tmp));
break;
default:
*x = (Sint16)(NUM2INT(rb_funcall(pos, rb_intern("x"), 0)));
*y = (Sint16)(NUM2INT(rb_funcall(pos, rb_intern("y"), 0)));
break;
}
}
/*
:nodoc:
*/
static VALUE collision_get_position(VALUE pos, VALUE *x, VALUE *y)
{
VALUE *tmp;
switch(TYPE(pos))
{
case T_ARRAY:
if(RARRAY_LEN(pos) < 2)
rb_raise(eMiyakoError, "pairs have illegal array!");
tmp = RARRAY_PTR(pos);
*x = *tmp++;
*y = *tmp;
break;
case T_STRUCT:
if(RSTRUCT_LEN(pos) < 2)
rb_raise(eMiyakoError, "pairs have illegal struct!");
tmp = RSTRUCT_PTR(pos);
*x = *tmp++;
*y = *tmp;
break;
default:
*x = rb_funcall(pos, rb_intern("x"), 0);
*y = rb_funcall(pos, rb_intern("y"), 0);
break;
}
return Qnil;
}
static VALUE
rb_struct_eql(VALUE s, SEL sel, VALUE s2)
{
if (s == s2) {
return Qtrue;
}
if (TYPE(s2) != T_STRUCT) {
return Qfalse;
}
if (rb_obj_class(s) != rb_obj_class(s2)) {
return Qfalse;
}
if (RSTRUCT_LEN(s) != RSTRUCT_LEN(s2)) {
rb_bug("inconsistent struct"); /* should never happen */
}
return rb_exec_recursive(rb_struct_eql_r, s, s2);
}
/* :nodoc: */
VALUE
rb_struct_init_copy(VALUE copy, SEL sel, VALUE s)
{
if (copy == s) return copy;
rb_check_frozen(copy);
if (!rb_obj_is_instance_of(s, rb_obj_class(copy))) {
rb_raise(rb_eTypeError, "wrong argument class");
}
if (RSTRUCT_LEN(copy) != RSTRUCT_LEN(s)) {
rb_raise(rb_eTypeError, "struct size mismatch");
}
for (int i = 0; i < RSTRUCT_LEN(copy); i++) {
GC_WB(&RSTRUCT_PTR(copy)[i], RSTRUCT_PTR(s)[i]);
}
return copy;
}
/* :nodoc: */
mrb_value
mrb_struct_init_copy(mrb_state *mrb, mrb_value copy)
{
mrb_value s;
mrb_get_args(mrb, "o", &s);
if (mrb_obj_equal(mrb, copy, s)) return copy;
if (!mrb_obj_is_instance_of(mrb, s, mrb_obj_class(mrb, copy))) {
mrb_raise(mrb, E_TYPE_ERROR, "wrong argument class");
}
if (RSTRUCT_LEN(copy) != RSTRUCT_LEN(s)) {
mrb_raise(mrb, E_TYPE_ERROR, "struct size mismatch");
}
memcpy(RSTRUCT_PTR(copy), RSTRUCT_PTR(s), sizeof(mrb_value)*RSTRUCT_LEN(copy));
return copy;
}
VALUE
rb_struct_aref(VALUE s, VALUE idx)
{
long i;
if (RB_TYPE_P(idx, T_STRING) || RB_TYPE_P(idx, T_SYMBOL)) {
return rb_struct_aref_id(s, rb_to_id(idx));
}
i = NUM2LONG(idx);
if (i < 0) i = RSTRUCT_LEN(s) + i;
if (i < 0)
rb_raise(rb_eIndexError, "offset %ld too small for struct(size:%ld)",
i, RSTRUCT_LEN(s));
if (RSTRUCT_LEN(s) <= i)
rb_raise(rb_eIndexError, "offset %ld too large for struct(size:%ld)",
i, RSTRUCT_LEN(s));
return RSTRUCT_PTR(s)[i];
}
static VALUE
rb_struct_aref_imp(VALUE s, SEL sel, VALUE idx)
{
long i;
if (TYPE(idx) == T_STRING || TYPE(idx) == T_SYMBOL) {
return rb_struct_aref_id(s, rb_to_id(idx));
}
i = NUM2LONG(idx);
if (i < 0) i = RSTRUCT_LEN(s) + i;
if (i < 0)
rb_raise(rb_eIndexError, "offset %ld too small for struct(size:%ld)",
i, RSTRUCT_LEN(s));
if (RSTRUCT_LEN(s) <= i)
rb_raise(rb_eIndexError, "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)
{
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];
}
static mrb_value
mrb_struct_values_at(mrb_state *mrb, mrb_value self)
{
mrb_int argc;
mrb_value *argv;
mrb_get_args(mrb, "*", &argv, &argc);
return mrb_get_values_at(mrb, self, RSTRUCT_LEN(self), argc, argv, struct_aref_int);
}