Module: RCL::XML

Defined in:
lib/rcl/xml.rb

Class Method Summary collapse

Class Method Details

.preprocess(pathname) ⇒ Object

remove leading and trailing whitespace from elements



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# File 'lib/rcl/xml.rb', line 14

def self.preprocess(pathname)
  Perms::check_file_r(pathname)

  doc = IO.readlines(pathname)

  doc.each do |line|
    line.gsub!(/\s+</, '<')
    line.gsub!(/\s+$/, '')
  end

  doc.join
end

.validate(pathname, schema_pathname = nil) ⇒ Object

validate XML document against specified RELAXNG schema



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# File 'lib/rcl/xml.rb', line 28

def self.validate(pathname, schema_pathname=nil)
  Perms::check_file_r(pathname)

  if schema_pathname.nil?
    schema_pathname = \
      "#{File.basename(pathname, File.extname(pathname))}.xsd"
  end

  Perms::check_file_r(schema_pathname)

  begin
    schema = File.new(schema_pathname)
    validator = REXML::Validation::RelaxNG.new(schema)
    parser = REXML::Parsers::TreeParser.new(preprocess(pathname))
    parser.add_listener(validator.reset)
    parser.parse
  rescue REXML::Validation::ValidationException => e
    raise "#{e}"
  rescue Exception => e
    raise "#{e}"
  end

  true
end