Class: Efl::EinaList::REinaList

Inherits:

Object

• Object
• Efl::EinaList::REinaList

show all

Includes:

ClassHelper, Enumerable

Defined in:

lib/efl/eina_list.rb

Instance Method Summary (collapse)

• - (Object) append(p) (also: #<<)

  for fun and tests.

• - (Object) each
• - (Object) free
• - (REinaList) initialize(o = nil) constructor

  A new instance of REinaList.

• - (Object) prepend(p) (also: #unshift)
• - (Object) to_a (also: #to_ary)

Methods included from ClassHelper

#===, #address, included, #method_missing, #null?, #to_ptr, #to_s

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# File 'lib/efl/eina_list.rb', line 25

def initialize o=nil
    @ptr = (
        case o
        when FFI::Pointer
            o
        when NilClass
            FFI::Pointer::NULL
        when Array
            o.inject(FFI::Pointer::NULL) { |p,e| Native.eina_list_append p, e }
        else
            raise ArgumentError.new "wrong argument #{o.class.name}"
        end
    )
end

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# File 'lib/efl/eina_list.rb', line 57

def append p
    @ptr = Native.eina_list_append @ptr, p
end

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# File 'lib/efl/eina_list.rb', line 43

def each
    return if not block_given?
    p = @ptr
    while p!=::FFI::Pointer::NULL
        l = Native::EinaListStruct.new p
        yield l[:data]
        p = l[:next]
    end
end

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# File 'lib/efl/eina_list.rb', line 39

def free
    Native.eina_list_free @ptr
    @ptr = nil
end

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# File 'lib/efl/eina_list.rb', line 61

def prepend p
    @ptr = Native.eina_list_prepend @ptr, p
end

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# File 'lib/efl/eina_list.rb', line 52

def to_a
    inject([]) { |s,e| s<<e }
end