Class: VORuby::VOTables::VOTable::RexmlParsedVOTable

Inherits:
Object
  • Object
show all
Defined in:
lib/voruby/votables/rexml_votable.rb

Overview

A wrapper around VOTable::VOTable that uses ruby’s built in rexml library to parse XML. Typically one would use VOTABLE::TreeParsedVOTable rather than using this class directly.

rexml_votable = VOTable::RexmlParsedVOTable('my_votable.xml')
votable = rexml_votable.votable

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(path) ⇒ RexmlParsedVOTable

path:

The path to the VOTable XML file to parse.



18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
 
# File 'lib/voruby/votables/rexml_votable.rb', line 18

def initialize(path)
  @path = path
  file = File.new(path)
      
  doc = REXML::Document.new(file)
  root = doc.root # Root document
      
  # Attributes
  id = root.attributes['ID'] if root.attributes['ID']
  version = root.attributes['version'] if root.attributes['version']
      
  # Elements
  description =
  Meta::Description.from_xml(root.elements.to_a('DESCRIPTION').first) if root.elements['DESCRIPTION']
  definition =
  Meta::Definitions.from_xml(root.elements.to_a('DEFINITIONS').first) if root.elements['DEFINITIONS']
      
  coosys = []
  root.elements.each('COOSYS'){ |sys|
    coosys.push(Meta::CooSys.from_xml(sys))
  }
      
  params = []
  root.elements.each('PARAM'){ |param|
    params.push(Meta::Param.from_xml(param))
  }
      
  info = []
  root.elements.each('INFO'){ |inf|
    info.push(Meta::Info.from_xml(inf))
  }
      
  resources = []
  root.elements.each('RESOURCE'){ |res|
    resources.push(Meta::Resource.from_xml(res))
  }

 @votable = VOTable.new(id, version, description, definition, coosys, params, info, resources)
end

Instance Attribute Details

#path ⇒ Object (readonly)

Returns the value of attribute path.



14
15
16
 
# File 'lib/voruby/votables/rexml_votable.rb', line 14

def path
  @path
end

#votable ⇒ Object (readonly)

Returns the value of attribute votable.



14
15
16
 
# File 'lib/voruby/votables/rexml_votable.rb', line 14

def votable
  @votable
end

Instance Method Details

#to_s ⇒ Object

Convert a RexmlParsedVOTable into a string representation.



59
60
61
 
# File 'lib/voruby/votables/rexml_votable.rb', line 59

def to_s
  "{file=#{@path};votable=#{@votable}}"
end