Class: MINT::MappingParser

Inherits:
Object
  • Object
show all
Includes:
REXML, StreamListener
Defined in:
lib/MINT-core/manager/mapping_parser.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ MappingParser

Returns a new instance of MappingParser.



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# File 'lib/MINT-core/manager/mapping_parser.rb', line 10

def initialize()
  @mapping_name  #actual name of the mapping
  @mapping_type  #type of the mapping: complementary, sequential, ...
  @observations = Array.new #will store the observations
  @actions = Array.new #will store the actions
  @mapping #actual mapping
end

Instance Method Details

#build_from_scxml(filename) ⇒ Object

This function parses scxml from a file



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# File 'lib/MINT-core/manager/mapping_parser.rb', line 19

def build_from_scxml(filename)
  source = File.new filename
  Document.parse_stream(source, self)
  @mapping
end

#build_from_scxml_string(stringbuffer) ⇒ Object

This function parses scxml directly from the string parameter “stringbuffer”



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# File 'lib/MINT-core/manager/mapping_parser.rb', line 26

def build_from_scxml_string(stringbuffer)
  Document.parse_stream(stringbuffer, self)
  @mapping
end

#tag_end(name) ⇒ Object

This function defines the actions to be taken for each different tag when the tag is closed



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# File 'lib/MINT-core/manager/mapping_parser.rb', line 69

def tag_end(name)
  case name
    when 'operator'
      case @mapping_type
        when 'complementary'
          @mapping = ComplementaryMapping.new(:id => @mapping_id, :name => @mapping_name, :observations => @observations, :actions => @actions)
        when 'sequential'
          @mapping = SequentialMapping.new(:id => @mapping_id, :name => @mapping_name, :observations => @observations, :actions => @actions)
        else
      end
    else
  end
end

#tag_start(name, attributes) ⇒ Object

This function defines the actions to be taken for each different tag when the tag is opened



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# File 'lib/MINT-core/manager/mapping_parser.rb', line 32

def tag_start(name, attributes)
  case name
    when 'mapping'
      @mapping_name = attributes['name']
    when 'operator'
      @mapping_type = attributes['type']
      @mapping_id = attributes['id']
    when 'observation'
      observation_states = Array.new
      observation_hash = Hash.new
      observation_hash[:element] = attributes['interactor']
      observation_hash[:name] = attributes['name']
      observation_hash[:id] = attributes['id']
      attributes['states'].split("|").each do |s| observation_states << s.to_sym end   if attributes['states']
      observation_hash[:states] = observation_states
      observation_hash[:process] = attributes['process'].to_s.to_sym if attributes['process']
      observation_hash[:result] = attributes['result'] if attributes['result']

      if attributes['type'] and attributes['type'].eql? "negation"
        @observations << NegationObservation.new(observation_hash)
      else
        @observations << Observation.new(observation_hash)
      end
    when 'backend'
      backend_call = MINT::const_get(attributes['class']).method(attributes['call'].to_sym) # TODO figure out a way that this can work
      @actions << BackendAction.new(:call => backend_call,:parameter => attributes['parameter'], :id => attributes['id'])
    when 'bind'
      backend_call = MINT::const_get(attributes['class']).method(attributes['transformation'].to_sym) if attributes['transformation']
      @actions << BindAction.new(:id => attributes['id'], :elementIn => attributes['interactor_in'], :nameIn => attributes['name_in'], :attrIn => attributes['attr_in'],
                                 :elementOut => attributes['interactor_out'], :nameOut => attributes['name_out'], :attrOut => attributes['attr_out'],:transform => backend_call)
    when 'event'
      @actions << EventAction.new(:id => attributes['id'], :event => attributes['type'].to_sym, :target => attributes['target'])
    else
  end
end

#text(text) ⇒ Object 



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# File 'lib/MINT-core/manager/mapping_parser.rb', line 83

def text(text)
end

#xmldecl(version, encoding, standalone) ⇒ Object 



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# File 'lib/MINT-core/manager/mapping_parser.rb', line 86

def xmldecl(version, encoding, standalone)
end