Class: Rubius::Dictionary

Inherits:
Object
  • Object
show all
Defined in:
lib/rubius/dictionary.rb

Constant Summary collapse

VENDOR = 
'VENDOR'
ATTRIBUTE = 
'ATTRIBUTE'
VALUE = 
'VALUE'
DEFAULT_VENDOR = 
0

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Dictionary

Returns a new instance of Dictionary.



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# File 'lib/rubius/dictionary.rb', line 8

def initialize
  @dictionary = Hash.new
  @dictionary[DEFAULT_VENDOR] = {:name => ''}
end

Instance Method Details

#attribute_id(attr_name, vendor_id = DEFAULT_VENDOR) ⇒ Object 



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# File 'lib/rubius/dictionary.rb', line 75

def attribute_id(attr_name, vendor_id = DEFAULT_VENDOR)
  vendor_object = @dictionary[vendor_id].reject{|k,v| !v.is_a?(Hash) || v[:name]!=attr_name}
  vendor_object = vendor_object.to_a if RUBY_VERSION < "1.9.2"
  vendor_object.flatten.first
end

#attribute_name(attr_id, vendor_id = DEFAULT_VENDOR) ⇒ Object 



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# File 'lib/rubius/dictionary.rb', line 67

def attribute_name(attr_id, vendor_id = DEFAULT_VENDOR)
  attribute(attr_id, vendor_id)[:name] rescue nil
end

#attribute_type(attr_id, vendor_id = DEFAULT_VENDOR) ⇒ Object 



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# File 'lib/rubius/dictionary.rb', line 71

def attribute_type(attr_id, vendor_id = DEFAULT_VENDOR)
  attribute(attr_id, vendor_id)[:type] rescue nil
end

#load(dictionary_file) ⇒ Object 



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# File 'lib/rubius/dictionary.rb', line 13

def load(dictionary_file)
  dict_lines = IO.readlines(dictionary_file)
  
  vendor_id = DEFAULT_VENDOR
  skip_until_next_vendor = false
  
  dict_lines.each do |line|
    next if line =~ /^\#/
    next if (tokens = line.split(/\s+/)).empty?
    
    entry_type = tokens[0].upcase
    case entry_type
    when VENDOR
      skip_until_next_vendor = false
      
      # If the vendor_id string is nil or empty, we should skip this entire block
      # until we find another VENDOR definition, also ignore all VALUEs and ATTRIBUTEs
      # until the next VENDOR because otherwise, they will be included in the wrong VENDOR
      vendor_id_str = tokens[2]
      if vendor_id_str.nil? || vendor_id_str.empty?
        skip_until_next_vendor = true
        next
      end
      
      # VENDOR id should be higher than 0, skip everything if it isn't
      vendor_id = vendor_id_str.to_i
      if vendor_id <= 0
        skip_until_next_vendor = true
        next
      end
      
      vendor_name = tokens[1].strip
      @dictionary[vendor_id] ||= {:name => vendor_name}
    when ATTRIBUTE
      next if skip_until_next_vendor
      next if tokens[1].nil? || tokens[2].to_i <= 0 || tokens[3].nil?
      @dictionary[vendor_id][tokens[2].to_i] = {:name => tokens[1].strip, :type => tokens[3].strip}
    when VALUE
      next if skip_until_next_vendor
      @dictionary[vendor_id][tokens[1]] = {tokens[2].strip => tokens[3].to_i}
    end
  end
rescue Errno::ENOENT
  raise Rubius::InvalidDictionaryError
end

#vendor_name(vendor_id = DEFAULT_VENDOR) ⇒ Object 



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# File 'lib/rubius/dictionary.rb', line 63

def vendor_name(vendor_id = DEFAULT_VENDOR)
  @dictionary[vendor_id][:name]
end

#vendors ⇒ Object 



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# File 'lib/rubius/dictionary.rb', line 59

def vendors
  @dictionary.collect{|k,v| v[:name]}.reject{|n| n.empty?}
end