Class: Patinfo2csv::Loader

Inherits:
Object
  • Object
show all
Defined in:
lib/patinfo2csv/loader.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Loader

Returns a new instance of Loader.



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# File 'lib/patinfo2csv/loader.rb', line 6

def initialize
  @lines = ''
end

Instance Method Details

#extract_line(line) ⇒ Object 



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# File 'lib/patinfo2csv/loader.rb', line 21

def extract_line(line)
  case line
  when /^\s*(start:|end:|name:|preformatted:)\s/, \
       /^\s*:article_(pcode|size|dose):/
    # NOTE
    # To make sure that these lines are unused for YAML structure
    nil
  when /^\s*(heading:|subheading:|text:)\s/, \
       /^\s{12}(?!values:|\-)\w+/ # multi lines text
    Patinfo2csv::ESCAPED_CHAR_CODE_MAP.each do |code, char|
      line.gsub!(code, char)
    end
    line
  else
    line
  end
end

#load_yaml(patinfo_yaml) ⇒ Object 



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# File 'lib/patinfo2csv/loader.rb', line 9

def load_yaml(patinfo_yaml)
  # before yaml loading, replace escaped chars
  File.open(patinfo_yaml, "r:ascii:utf-8") do |f|
    while line = f.gets
      if line = extract_line(line)
        @lines << line
      end
    end
  end
  fh = StringIO.new(@lines)
  YAML.load_documents(fh) # force utf-8
end