Method: Webgen::Page.parse_meta_info

Defined in:
lib/webgen/page.rb

.parse_meta_info(mi_data, has_mi_start) ⇒ Object

Parse the meta info string in mi_data and return the hash with the meta information. The original data is used for checking the validness of the meta information block.



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# File 'lib/webgen/page.rb', line 45

def parse_meta_info(mi_data, has_mi_start)
  if mi_data.nil? && has_mi_start
    raise FormatError, 'Found start line for meta information block but no valid meta information block'
  elsif mi_data.nil?
    {}
  else
    begin
      meta_info = YAML::load(mi_data.to_s)
      unless meta_info.kind_of?(Hash)
        raise FormatError, "Invalid structure of meta information block: expected YAML hash but found #{meta_info.class}"
      end
    rescue ArgumentError, SyntaxError, YAML::SyntaxError => e
      raise FormatError, "Invalid YAML syntax in meta information block: #{e.message}"
    end
    meta_info
  end
end