Module: NWN::Gff::Handler::JSON

Defined in:
lib/nwn/json_support.rb

Class Method Summary collapse

Class Method Details

.dump(struct, io) ⇒ Object 



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# File 'lib/nwn/json_support.rb', line 108

def self.dump struct, io
  d = if NWN.setting(:pretty_json)
    ::JSON.pretty_generate(struct)
  else
    ::JSON.generate(struct)
  end
  io.puts d
  d.size + 1
end

.json_unbox_field(element, parent_label, parent) ⇒ Object 



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# File 'lib/nwn/json_support.rb', line 44

def self.json_unbox_field element, parent_label, parent
  element.extend(NWN::Gff::Field)
  element.field_label = parent_label
  element.parent = parent
  element.str_ref ||= NWN::Gff::Field::DEFAULT_STR_REF if element.respond_to?('str_ref=')

  element.extend_meta_classes
  case element.field_type
    when :cexolocstr
      element.field_value.keys.each {|key|
        val = element.field_value.delete(key)
        element.field_value[key.to_i] = val
      }

    when :void
      element.field_value = Base64::strict_decode64(element.field_value)

    when :list
      mod = {}
      element.field_value.each_with_index {|x,idx|
        mod[idx] = self.json_unbox_struct(x, element)
      }
      mod.each {|x,y|
        element.field_value[x] = y
      }
    when :struct
      element.field_value = self.json_unbox_struct(element.field_value, element)
  end
  element.validate
  element
end

.json_unbox_struct(o, parent = nil) ⇒ Object 



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# File 'lib/nwn/json_support.rb', line 76

def self.json_unbox_struct o, parent = nil
  o.extend(NWN::Gff::Struct)
  o.element = parent if parent
  o.struct_id = o.delete('__struct_id')
  o.data_type = o.delete('__data_type')
  o.data_version = o.delete('__data_version')
  o.data_version ||= NWN::Gff::Struct::DEFAULT_DATA_VERSION

  NWN.log_debug("Unboxed without a root data type") if
    !parent && !o.data_type
  NWN.log_debug("Unboxed with explicit data type #{o.data_type.inspect}") if
    parent && o.data_type

  o.each {|label,element|
    o[label] = self.json_unbox_field(element, label, o)
  }

  o
end

.load(io) ⇒ Object 



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# File 'lib/nwn/json_support.rb', line 96

def self.load io
  json = if io.respond_to?(:to_str)
    io.to_str
  elsif io.respond_to?(:to_io)
    io.to_io.read
  else
    io.read
  end

  self.json_unbox_struct(JSON.parse(json), nil)
end