Class: OodCore::Job::Adapters::Torque::FFI::Attropl

Inherits:
FFI::Struct
  • Object
show all
Defined in:
lib/ood_core/job/adapters/torque/ffi.rb

Overview

Struct for Attribute Operation C-linked list

Class Method Summary collapse

Class Method Details

.from_list(list) ⇒ Attropl

Convert to C-linked list of structs from list of hashes

Parameters:

  • list (Array<#to_h>) —

    list of hashes describing attribute

Returns:

  • (Attropl) —

    generated attribute operation c-linked list object



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# File 'lib/ood_core/job/adapters/torque/ffi.rb', line 253

def self.from_list(list)
  list = list.map(&:to_h)
  attropl = nil
  prev = Attropl.new(::FFI::Pointer::NULL)
  list.each do |attrib|
    attropl = Attropl.new
    attropl[:name]     = ::FFI::MemoryPointer.from_string attrib[:name].to_s
    attropl[:value]    = ::FFI::MemoryPointer.from_string attrib[:value].to_s
    attropl[:resource] = ::FFI::MemoryPointer.from_string attrib[:resource].to_s
    attropl[:op]       = (attrib[:op] || :eq).to_sym
    attropl[:next]     = prev
    prev = attropl
  end
  attropl
end