/*
* call-seq:
* RepeatedField.+(other) => repeated field
*
* Returns a new repeated field that contains the concatenated list of this
* repeated field's elements and other's elements. The other (second) list may
* be either another repeated field or a Ruby array.
*/
VALUE RepeatedField_plus(VALUE _self, VALUE list) {
VALUE dupped = RepeatedField_dup(_self);
if (TYPE(list) == T_ARRAY) {
for (int i = 0; i < RARRAY_LEN(list); i++) {
VALUE elem = rb_ary_entry(list, i);
RepeatedField_push(dupped, elem);
}
} else if (RB_TYPE_P(list, T_DATA) && RTYPEDDATA_P(list) &&
RTYPEDDATA_TYPE(list) == &RepeatedField_type) {
RepeatedField* self = ruby_to_RepeatedField(_self);
RepeatedField* list_rptfield = ruby_to_RepeatedField(list);
if (self->field_type != list_rptfield->field_type ||
self->field_type_class != list_rptfield->field_type_class) {
rb_raise(rb_eArgError,
"Attempt to append RepeatedField with different element type.");
}
for (int i = 0; i < list_rptfield->size; i++) {
void* mem = RepeatedField_index_native(list, i);
RepeatedField_push_native(dupped, mem);
}
} else {
rb_raise(rb_eArgError, "Unknown type appending to RepeatedField");
}
return dupped;
}
/*
* call-seq:
* RepeatedField.==(other) => boolean
*
* Compares this repeated field to another. Repeated fields are equal if their
* element types are equal, their lengths are equal, and each element is equal.
* Elements are compared as per normal Ruby semantics, by calling their :==
* methods (or performing a more efficient comparison for primitive types).
*
* Repeated fields with dissimilar element types are never equal, even if value
* comparison (for example, between integers and floats) would have otherwise
* indicated that every element has equal value.
*/
VALUE RepeatedField_eq(VALUE _self, VALUE _other) {
if (_self == _other) {
return Qtrue;
}
RepeatedField* self = ruby_to_RepeatedField(_self);
if (TYPE(_other) == T_ARRAY) {
VALUE self_ary = RepeatedField_to_ary(_self);
return rb_equal(self_ary, _other);
}
RepeatedField* other = ruby_to_RepeatedField(_other);
if (self->field_type != other->field_type ||
self->field_type_class != other->field_type_class ||
self->size != other->size) {
return Qfalse;
}
upb_fieldtype_t field_type = self->field_type;
size_t elem_size = native_slot_size(field_type);
size_t off = 0;
for (int i = 0; i < self->size; i++, off += elem_size) {
void* self_mem = ((uint8_t *)self->elements) + off;
void* other_mem = ((uint8_t *)other->elements) + off;
if (!native_slot_eq(field_type, self_mem, other_mem)) {
return Qfalse;
}
}
return Qtrue;
}
/*
* call-seq:
* RepeatedField.[]=(index, value)
*
* Sets the element at the given index. On out-of-bounds assignments, extends
* the array and fills the hole (if any) with default values.
*/
VALUE RepeatedField_index_set(VALUE _self, VALUE _index, VALUE val) {
RepeatedField* self = ruby_to_RepeatedField(_self);
upb_fieldtype_t field_type = self->field_type;
VALUE field_type_class = self->field_type_class;
int element_size = native_slot_size(field_type);
int index = index_position(_index, self);
if (index < 0 || index >= (INT_MAX - 1)) {
return Qnil;
}
if (index >= self->size) {
RepeatedField_reserve(self, index + 1);
upb_fieldtype_t field_type = self->field_type;
int element_size = native_slot_size(field_type);
for (int i = self->size; i <= index; i++) {
void* elem = (void *)(((uint8_t *)self->elements) + i * element_size);
native_slot_init(field_type, elem);
}
self->size = index + 1;
}
void* memory = (void *) (((uint8_t *)self->elements) + index * element_size);
native_slot_set(field_type, field_type_class, memory, val);
return Qnil;
}
static void check_repeated_field_type(VALUE val, const upb_fielddef* field) {
RepeatedField* self;
assert(upb_fielddef_label(field) == UPB_LABEL_REPEATED);
if (!RB_TYPE_P(val, T_DATA) || !RTYPEDDATA_P(val) ||
RTYPEDDATA_TYPE(val) != &RepeatedField_type) {
rb_raise(cTypeError, "Expected repeated field array");
}
self = ruby_to_RepeatedField(val);
if (self->field_type != upb_fielddef_type(field)) {
rb_raise(cTypeError, "Repeated field array has wrong element type");
}
if (self->field_type == UPB_TYPE_MESSAGE) {
if (self->field_type_class !=
Descriptor_msgclass(get_def_obj(upb_fielddef_subdef(field)))) {
rb_raise(cTypeError,
"Repeated field array has wrong message class");
}
}
if (self->field_type == UPB_TYPE_ENUM) {
if (self->field_type_class !=
EnumDescriptor_enummodule(get_def_obj(upb_fielddef_subdef(field)))) {
rb_raise(cTypeError,
"Repeated field array has wrong enum class");
}
}
}
// Internal only: used by Google::Protobuf.deep_copy.
VALUE RepeatedField_deep_copy(VALUE _self) {
RepeatedField* self = ruby_to_RepeatedField(_self);
VALUE new_rptfield = RepeatedField_new_this_type(_self);
RepeatedField* new_rptfield_self = ruby_to_RepeatedField(new_rptfield);
RepeatedField_reserve(new_rptfield_self, self->size);
upb_fieldtype_t field_type = self->field_type;
size_t elem_size = native_slot_size(field_type);
size_t off = 0;
for (int i = 0; i < self->size; i++, off += elem_size) {
void* to_mem = (uint8_t *)new_rptfield_self->elements + off;
void* from_mem = (uint8_t *)self->elements + off;
native_slot_deep_copy(field_type, to_mem, from_mem);
new_rptfield_self->size++;
}
return new_rptfield;
}
/*
* call-seq:
* RepeatedField.concat(other) => self
*
* concats the passed in array to self. Returns a Ruby array.
*/
VALUE RepeatedField_concat(VALUE _self, VALUE list) {
RepeatedField* self = ruby_to_RepeatedField(_self);
Check_Type(list, T_ARRAY);
for (int i = 0; i < RARRAY_LEN(list); i++) {
RepeatedField_push(_self, rb_ary_entry(list, i));
}
return _self;
}
/*
* call-seq:
* RepeatedField.replace(list)
*
* Replaces the contents of the repeated field with the given list of elements.
*/
VALUE RepeatedField_replace(VALUE _self, VALUE list) {
RepeatedField* self = ruby_to_RepeatedField(_self);
Check_Type(list, T_ARRAY);
self->size = 0;
for (int i = 0; i < RARRAY_LEN(list); i++) {
RepeatedField_push(_self, rb_ary_entry(list, i));
}
return list;
}
// Used by parsing handlers.
void RepeatedField_push_native(VALUE _self, void* data) {
RepeatedField* self = ruby_to_RepeatedField(_self);
upb_fieldtype_t field_type = self->field_type;
int element_size = native_slot_size(field_type);
RepeatedField_reserve(self, self->size + 1);
int index = self->size;
void* memory = (void *) (((uint8_t *)self->elements) + index * element_size);
memcpy(memory, data, element_size);
self->size++;
}
/*
* call-seq:
* RepeatedField.push(value)
*
* Adds a new element to the repeated field.
*/
VALUE RepeatedField_push(VALUE _self, VALUE val) {
RepeatedField* self = ruby_to_RepeatedField(_self);
upb_fieldtype_t field_type = self->field_type;
int element_size = native_slot_size(field_type);
RepeatedField_reserve(self, self->size + 1);
int index = self->size;
void* memory = (void *) (((uint8_t *)self->elements) + index * element_size);
native_slot_set(field_type, self->field_type_class, memory, val);
// native_slot_set may raise an error; bump index only after set.
self->size++;
return _self;
}
static VALUE RepeatedField_new_this_type(VALUE _self) {
RepeatedField* self = ruby_to_RepeatedField(_self);
VALUE new_rptfield = Qnil;
VALUE element_type = fieldtype_to_ruby(self->field_type);
if (self->field_type_class != Qnil) {
new_rptfield = rb_funcall(CLASS_OF(_self), rb_intern("new"), 2,
element_type, self->field_type_class);
} else {
new_rptfield = rb_funcall(CLASS_OF(_self), rb_intern("new"), 1,
element_type);
}
return new_rptfield;
}
/*
* call-seq:
* RepeatedField.pop => value
*
* Removes the last element and returns it. Throws an exception if the repeated
* field is empty.
*/
VALUE RepeatedField_pop(VALUE _self) {
RepeatedField* self = ruby_to_RepeatedField(_self);
upb_fieldtype_t field_type = self->field_type;
VALUE field_type_class = self->field_type_class;
int element_size = native_slot_size(field_type);
if (self->size == 0) {
rb_raise(rb_eRangeError, "Pop from empty repeated field is not allowed.");
}
int index = self->size - 1;
void* memory = (void *) (((uint8_t *)self->elements) + index * element_size);
VALUE ret = native_slot_get(field_type, field_type_class, memory);
self->size--;
return ret;
}
/*
* Private ruby method, used by RepeatedField.pop
*/
VALUE RepeatedField_pop_one(VALUE _self) {
RepeatedField* self = ruby_to_RepeatedField(_self);
upb_fieldtype_t field_type = self->field_type;
VALUE field_type_class = self->field_type_class;
int element_size = native_slot_size(field_type);
if (self->size == 0) {
return Qnil;
}
int index = self->size - 1;
void* memory = (void *) (((uint8_t *)self->elements) + index * element_size);
VALUE ret = native_slot_get(field_type, field_type_class, memory);
self->size--;
return ret;
}
/*
* call-seq:
* RepeatedField.[](index) => value
*
* Accesses the element at the given index. Returns nil on out-of-bounds
*/
VALUE RepeatedField_index(VALUE _self, VALUE _index) {
RepeatedField* self = ruby_to_RepeatedField(_self);
int element_size = native_slot_size(self->field_type);
upb_fieldtype_t field_type = self->field_type;
VALUE field_type_class = self->field_type_class;
int index = index_position(_index, self);
if (index < 0 || index >= self->size) {
return Qnil;
}
void* memory = (void *) (((uint8_t *)self->elements) + index * element_size);
return native_slot_get(field_type, field_type_class, memory);
}
/*
* call-seq:
* RepeatedField.to_ary => array
*
* Used when converted implicitly into array, e.g. compared to an Array.
* Also called as a fallback of Object#to_a
*/
VALUE RepeatedField_to_ary(VALUE _self) {
RepeatedField* self = ruby_to_RepeatedField(_self);
upb_fieldtype_t field_type = self->field_type;
size_t elem_size = native_slot_size(field_type);
size_t off = 0;
VALUE ary = rb_ary_new2(self->size);
for (int i = 0; i < self->size; i++, off += elem_size) {
void* mem = ((uint8_t *)self->elements) + off;
VALUE elem = native_slot_get(field_type, self->field_type_class, mem);
rb_ary_push(ary, elem);
}
return ary;
}
/*
* call-seq:
* RepeatedField.[](index) => value
*
* Accesses the element at the given index. Throws an exception on out-of-bounds
* errors.
*/
VALUE RepeatedField_index(VALUE _self, VALUE _index) {
RepeatedField* self = ruby_to_RepeatedField(_self);
int element_size = native_slot_size(self->field_type);
upb_fieldtype_t field_type = self->field_type;
VALUE field_type_class = self->field_type_class;
int index = NUM2INT(_index);
if (index < 0 || index >= self->size) {
rb_raise(rb_eRangeError, "Index out of range");
}
void* memory = (void *) (((uint8_t *)self->elements) + index * element_size);
return native_slot_get(field_type, field_type_class, memory);
}
/*
* call-seq:
* RepeatedField.each(&block)
*
* Invokes the block once for each element of the repeated field. RepeatedField
* also includes Enumerable; combined with this method, the repeated field thus
* acts like an ordinary Ruby sequence.
*/
VALUE RepeatedField_each(VALUE _self) {
RepeatedField* self = ruby_to_RepeatedField(_self);
upb_fieldtype_t field_type = self->field_type;
VALUE field_type_class = self->field_type_class;
int element_size = native_slot_size(field_type);
size_t off = 0;
for (int i = 0; i < self->size; i++, off += element_size) {
void* memory = (void *) (((uint8_t *)self->elements) + off);
VALUE val = native_slot_get(field_type, field_type_class, memory);
rb_yield(val);
}
return _self;
}
VALUE RepeatedField_subarray(VALUE _self, long beg, long len) {
RepeatedField* self = ruby_to_RepeatedField(_self);
int element_size = native_slot_size(self->field_type);
upb_fieldtype_t field_type = self->field_type;
VALUE field_type_class = self->field_type_class;
size_t off = beg * element_size;
VALUE ary = rb_ary_new2(len);
for (int i = beg; i < beg + len; i++, off += element_size) {
void* mem = ((uint8_t *)self->elements) + off;
VALUE elem = native_slot_get(field_type, field_type_class, mem);
rb_ary_push(ary, elem);
}
return ary;
}
/*
* call-seq:
* RepeatedField.[](index) => value
*
* Accesses the element at the given index. Returns nil on out-of-bounds
*/
VALUE RepeatedField_index(int argc, VALUE* argv, VALUE _self) {
RepeatedField* self = ruby_to_RepeatedField(_self);
int element_size = native_slot_size(self->field_type);
upb_fieldtype_t field_type = self->field_type;
VALUE field_type_class = self->field_type_class;
VALUE arg = argv[0];
long beg, len;
if (argc == 1){
if (FIXNUM_P(arg)) {
/* standard case */
int index = index_position(argv[0], self);
if (index < 0 || index >= self->size) {
return Qnil;
}
void* memory = (void *) (((uint8_t *)self->elements) +
index * element_size);
return native_slot_get(field_type, field_type_class, memory);
}else{
/* check if idx is Range */
size_t off;
switch (rb_range_beg_len(arg, &beg, &len, self->size, 0)) {
case Qfalse:
break;
case Qnil:
return Qnil;
default:
return RepeatedField_subarray(_self, beg, len);
}
}
}
/* assume 2 arguments */
beg = NUM2LONG(argv[0]);
len = NUM2LONG(argv[1]);
if (beg < 0) {
beg += self->size;
}
if (beg >= self->size) {
return Qnil;
}
return RepeatedField_subarray(_self, beg, len);
}
/*
* call-seq:
* RepeatedField.hash => hash_value
*
* Returns a hash value computed from this repeated field's elements.
*/
VALUE RepeatedField_hash(VALUE _self) {
RepeatedField* self = ruby_to_RepeatedField(_self);
VALUE hash = LL2NUM(0);
upb_fieldtype_t field_type = self->field_type;
VALUE field_type_class = self->field_type_class;
size_t elem_size = native_slot_size(field_type);
size_t off = 0;
for (int i = 0; i < self->size; i++, off += elem_size) {
void* mem = ((uint8_t *)self->elements) + off;
VALUE elem = native_slot_get(field_type, field_type_class, mem);
hash = rb_funcall(hash, rb_intern("<<"), 1, INT2NUM(2));
hash = rb_funcall(hash, rb_intern("^"), 1,
rb_funcall(elem, rb_intern("hash"), 0));
}
return hash;
}
void RepeatedField_init_args(int argc, VALUE* argv,
VALUE _self) {
RepeatedField* self = ruby_to_RepeatedField(_self);
VALUE ary = Qnil;
if (argc < 1) {
rb_raise(rb_eArgError, "Expected at least 1 argument.");
}
self->field_type = ruby_to_fieldtype(argv[0]);
if (self->field_type == UPB_TYPE_MESSAGE ||
self->field_type == UPB_TYPE_ENUM) {
if (argc < 2) {
rb_raise(rb_eArgError, "Expected at least 2 arguments for message/enum.");
}
self->field_type_class = argv[1];
if (argc > 2) {
ary = argv[2];
}
validate_type_class(self->field_type, self->field_type_class);
} else {
if (argc > 2) {
rb_raise(rb_eArgError, "Too many arguments: expected 1 or 2.");
}
if (argc > 1) {
ary = argv[1];
}
}
if (ary != Qnil) {
if (!RB_TYPE_P(ary, T_ARRAY)) {
rb_raise(rb_eArgError, "Expected array as initialize argument");
}
for (int i = 0; i < RARRAY_LEN(ary); i++) {
RepeatedField_push(_self, rb_ary_entry(ary, i));
}
}
}
/*
* call-seq:
* RepeatedField.length
*
* Returns the length of this repeated field.
*/
VALUE RepeatedField_length(VALUE _self) {
RepeatedField* self = ruby_to_RepeatedField(_self);
return INT2NUM(self->size);
}
void* RepeatedField_index_native(VALUE _self, int index) {
RepeatedField* self = ruby_to_RepeatedField(_self);
upb_fieldtype_t field_type = self->field_type;
int element_size = native_slot_size(field_type);
return ((uint8_t *)self->elements) + index * element_size;
}
/*
* call-seq:
* RepeatedField.clear
*
* Clears (removes all elements from) this repeated field.
*/
VALUE RepeatedField_clear(VALUE _self) {
RepeatedField* self = ruby_to_RepeatedField(_self);
self->size = 0;
return _self;
}
