Module: Manifest

Defined in:
lib/manifest.rb

Constant Summary collapse

MANIFEST_LINE_SEP = 
/\r\n|\n|\r[^\n]/
MANIFEST_SECTION_SEP = 
/(#{MANIFEST_LINE_SEP}){2}/

Class Method Summary collapse

Class Method Details

.read(text) ⇒ Object 



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# File 'lib/manifest.rb', line 23

def read(text)

    text.split(MANIFEST_SECTION_SEP).reject { |s| s.chomp == "" }.map do |section|
section.split(MANIFEST_LINE_SEP).each { |line| line.length < 72 }.inject([]) { |merged, line|
  if line[0] == ' '
    merged.last << line[1..-1]
  else
    merged << line
  end
  merged
  }.map { |line| line.split(/: /) }.inject({}) { |map, (name, values)|
    if (values.nil?)
      map.merge!(name=>nil)
    else
      valuesAsHash = {}
      
      nestedList = false
      values.split(/,/).inject([]) { |array, att1| 
        # split and then recompose. Not optimal at all but the manifest format is such a pain...
        if nestedList
          last = array.pop
          array << "#{last},#{att1}"
        else
          array << att1
        end

        index = 0
        if (/.*"$/.match(att1) || /.*";/.match(att1))
           nestedList = false
           index =  $~[0].size
        end
        if att1[index, att1.size].match(/"/)
           # if a " is in the value, it means we entered a subentry. And since it is not at the
           # end of the line, we can conclude we are in a nested list.
           nestedList = true
        end
        
        array
        }.each { |attribute|
          optionalAttributes = {}
          values = attribute.split(/;/)
          value = values.shift
          values.each {|attribute| 
            array = attribute.split(/:?=/) 
            optionalAttributes.merge!(array.first.strip=>array.last.strip)
          }
          valuesAsHash.merge!(value=>optionalAttributes)
        }
        map.merge!(name=>valuesAsHash) 
      end
    }
  end
end