Module: DcmDict::XML::NokogiriTool

Defined in:
lib/dcm_dict/xml/nokogiri_tool.rb

Class Method Summary collapse

Class Method Details

.create_xml_doc(xml_string) ⇒ Object

Create XML root object from xml source string xml_string



69
70
71
 
# File 'lib/dcm_dict/xml/nokogiri_tool.rb', line 69

def self.create_xml_doc(xml_string)
  Nokogiri::XML(xml_string)
end

.each_tr_set(doc, xpath) ⇒ Object

Calls the given block from doc once for each ‘table row’ identified by xpath



74
75
76
77
78
79
80
 
# File 'lib/dcm_dict/xml/nokogiri_tool.rb', line 74

def self.each_tr_set(doc, xpath)
  alltr = doc.xpath(xpath)
  alltr.each do |tr|
    trset = tr.xpath('xmlns:td')
    yield trset if block_given?
  end
end

.extract_data_element_field_from_tr_set(trset) ⇒ Object

Extract data element data from xml table row using trset (NodeSet) as source



51
52
53
54
 
# File 'lib/dcm_dict/xml/nokogiri_tool.rb', line 51

def self.extract_data_element_field_from_tr_set(trset)
  proc = tag_field_extract_proc(trset)
  TagFieldData.new(proc).data_element_data
end

.extract_data_element_field_from_xml_tr(xml_tr_string) ⇒ Object

Extract data element data from a table row using xml_tr_string as source string



45
46
47
48
 
# File 'lib/dcm_dict/xml/nokogiri_tool.rb', line 45

def self.extract_data_element_field_from_xml_tr(xml_tr_string)
  nodeset = extract_nokogiri_nodeset(xml_tr_string)
  extract_data_element_field_from_tr_set(nodeset)
end

.extract_nokogiri_nodeset(xml_tr_string) ⇒ Object 



98
99
100
101
102
103
 
# File 'lib/dcm_dict/xml/nokogiri_tool.rb', line 98

def self.extract_nokogiri_nodeset(xml_tr_string)
  doc  = create_xml_doc(xml_tr_string)
  each_tr_set(doc, '//xmlns:tr') do |tdset|
    return tdset
  end
end

.extract_uid_field_from_tr_set(trset) ⇒ Object

Extract uid data from a table row using trset (NodeSet) as source



63
64
65
66
 
# File 'lib/dcm_dict/xml/nokogiri_tool.rb', line 63

def self.extract_uid_field_from_tr_set(trset)
  proc = uid_field_extract_proc(trset)
  UidFieldData.new(proc).uid_data
end

.extract_uid_field_from_xml_tr(xml_tr_string) ⇒ Object

Extract uid data from a table row using xml_tr_string as source string



57
58
59
60
 
# File 'lib/dcm_dict/xml/nokogiri_tool.rb', line 57

def self.extract_uid_field_from_xml_tr(xml_tr_string)
  nodeset = extract_nokogiri_nodeset(xml_tr_string)
  extract_uid_field_from_tr_set(nodeset)
end

.make_nokogiri_proc(node_set, node_set_idx) ⇒ Object 



91
92
93
94
95
96
 
# File 'lib/dcm_dict/xml/nokogiri_tool.rb', line 91

def self.make_nokogiri_proc(node_set, node_set_idx)
  Proc.new do |key|
    idx = node_set_idx[key]
    node_set[idx] ? node_set[idx].content.gsub(/ {2,}/, '') : ''
  end
end

.tag_field_extract_proc(node_set) ⇒ Object 



83
84
85
 
# File 'lib/dcm_dict/xml/nokogiri_tool.rb', line 83

def self.tag_field_extract_proc(node_set)
  make_nokogiri_proc(node_set, DataElementNodeSetIdx)
end

.uid_field_extract_proc(node_set) ⇒ Object 



87
88
89
 
# File 'lib/dcm_dict/xml/nokogiri_tool.rb', line 87

def self.uid_field_extract_proc(node_set)
  make_nokogiri_proc(node_set, UidNodeSetIdx)
end