Class: FFI::ArrayType

Inherits:
Type
  • Object
show all
Defined in:
ext/ffi_c/ArrayType.c

Constant Summary

Constants inherited from Type

Type::Array, Type::Function, Type::Struct

Instance Method Summary collapse

Constructor Details

#initialize(rbComponentType, rbLength) ⇒ Object 



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# File 'ext/ffi_c/ArrayType.c', line 73

static VALUE
array_type_initialize(VALUE self, VALUE rbComponentType, VALUE rbLength)
{
    ArrayType* array;
    int i;

    Data_Get_Struct(self, ArrayType, array);

    array->length = NUM2UINT(rbLength);
    array->rbComponentType = rbComponentType;
    Data_Get_Struct(rbComponentType, Type, array->componentType);
    
    array->ffiTypes = xcalloc(array->length + 1, sizeof(*array->ffiTypes));
    array->base.ffiType->elements = array->ffiTypes;
    array->base.ffiType->size = array->componentType->ffiType->size * array->length;
    array->base.ffiType->alignment = array->componentType->ffiType->alignment;

    for (i = 0; i < array->length; ++i) {
        array->ffiTypes[i] = array->componentType->ffiType;
    }

    return self;
}

Instance Method Details

#elem_type ⇒ Object 



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# File 'ext/ffi_c/ArrayType.c', line 107

static VALUE
array_type_element_type(VALUE self)
{
    ArrayType* array;

    Data_Get_Struct(self, ArrayType, array);

    return array->rbComponentType;
}

#length ⇒ Object 



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# File 'ext/ffi_c/ArrayType.c', line 97

static VALUE
array_type_length(VALUE self)
{
    ArrayType* array;

    Data_Get_Struct(self, ArrayType, array);

    return UINT2NUM(array->length);
}