Class: OpenC3::XmlAccessor

Inherits:
Accessor show all
Defined in:
lib/openc3/accessors/xml_accessor.rb

Direct Known Subclasses

HtmlAccessor

Class Method Summary collapse

Methods inherited from Accessor

convert_to_type, #read_item, #write_item

Class Method Details

.buffer_to_doc(buffer) ⇒ Object 



58
59
60
 
# File 'lib/openc3/accessors/xml_accessor.rb', line 58

def self.buffer_to_doc(buffer)
  Nokogiri.XML(buffer)
end

.doc_to_buffer(doc) ⇒ Object 



62
63
64
 
# File 'lib/openc3/accessors/xml_accessor.rb', line 62

def self.doc_to_buffer(doc)
  doc.to_xml
end

.read_item(item, buffer) ⇒ Object 



21
22
23
24
25
 
# File 'lib/openc3/accessors/xml_accessor.rb', line 21

def self.read_item(item, buffer)
  return nil if item.data_type == :DERIVED
  doc = buffer_to_doc(buffer)
  return convert_to_type(doc.xpath(item.key).first.to_s, item)
end

.read_items(items, buffer) ⇒ Object 



35
36
37
38
39
40
41
42
43
44
45
46
 
# File 'lib/openc3/accessors/xml_accessor.rb', line 35

def self.read_items(items, buffer)
  doc = buffer_to_doc(buffer)
  result = {}
  items.each do |item|
    if item.data_type == :DERIVED
      result[item.name] = nil
    else
      result[item.name] = convert_to_type(doc.xpath(item.key).first.to_s, item)
    end
  end
  return result
end

.write_item(item, value, buffer) ⇒ Object 



27
28
29
30
31
32
33
 
# File 'lib/openc3/accessors/xml_accessor.rb', line 27

def self.write_item(item, value, buffer)
  return nil if item.data_type == :DERIVED
  doc = buffer_to_doc(buffer)
  node = doc.xpath(item.key).first
  node.content = value.to_s
  buffer.replace(doc_to_buffer(doc))
end

.write_items(items, values, buffer) ⇒ Object 



48
49
50
51
52
53
54
55
56
 
# File 'lib/openc3/accessors/xml_accessor.rb', line 48

def self.write_items(items, values, buffer)
  doc = buffer_to_doc(buffer)
  items.each_with_index do |item, index|
    next if item.data_type == :DERIVED
    node = doc.xpath(item.key).first
    node.content = values[index].to_s
  end
  buffer.replace(doc_to_buffer(doc))
end