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Class: FFI::ArrayType

Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Class Chain:
self, Type
Instance Chain:
self, Type
Inherits: FFI::Type
Defined in: ext/ffi_c/ArrayType.c

Overview

This is a typed array. The type is a native type.

Constant Summary

Type - Inherited

Struct

Class Method Summary

Type - Inherited

.new

Instance Method Summary

Type - Inherited

#alignment, #inspect, #size

Constructor Details

.new(component_type, length) .new(instance)

[ GitHub ] 

  


# File 'ext/ffi_c/ArrayType.c', line 117



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

    TypedData_Get_Struct(self, ArrayType, &rbffi_array_type_data_type, array);

    array->length = NUM2UINT(rbLength);
    RB_OBJ_WRITE(self, &array->rbComponentType, rbComponentType);
    TypedData_Get_Struct(rbComponentType, Type, &rbffi_type_data_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



  

    

      #element_type  
      #element(type)  
    

  



  

    
  





  


  [ GitHub ]


  

  


# File 'ext/ffi_c/ArrayType.c', line 161



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

    TypedData_Get_Struct(self, ArrayType, &rbffi_array_type_data_type, array);

    return array->rbComponentType;
}


  








  

    

      #length  
      Get(array's length)  
    

  



  

    
  





  


  [ GitHub ]


  

  


# File 'ext/ffi_c/ArrayType.c', line 146



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

    TypedData_Get_Struct(self, ArrayType, &rbffi_array_type_data_type, array);

    return UINT2NUM(array->length);
}