Class: GdlListener

Inherits:
Listener
  • Object
show all
Defined in:
lib/xmlutils/gdllistener.rb

Overview

class GdlListener

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(ctx) ⇒ GdlListener

Returns a new instance of GdlListener.



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# File 'lib/xmlutils/gdllistener.rb', line 37

def initialize(ctx)
  super()
  @context      = ctx
  @gdl          = nil
  @inGuideline  = false
  @inRule       = false
  @inRuleset    = false
end

Instance Attribute Details

#context ⇒ Object (readonly)

Returns the value of attribute context.



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# File 'lib/xmlutils/gdllistener.rb', line 25

def context
  @context
end

#gdl=(value) ⇒ Object (writeonly)

Sets the attribute gdl

Parameters:

  • value —

    the value to set the attribute gdl to.



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# File 'lib/xmlutils/gdllistener.rb', line 26

def gdl=(value)
  @gdl = value
end

#inGuideline=(value) ⇒ Object (writeonly)

Sets the attribute inGuideline

Parameters:

  • value —

    the value to set the attribute inGuideline to.



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# File 'lib/xmlutils/gdllistener.rb', line 28

def inGuideline=(value)
  @inGuideline = value
end

#inRule=(value) ⇒ Object (writeonly)

Sets the attribute inRule

Parameters:

  • value —

    the value to set the attribute inRule to.



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# File 'lib/xmlutils/gdllistener.rb', line 29

def inRule=(value)
  @inRule = value
end

#inRuleset=(value) ⇒ Object (writeonly)

Sets the attribute inRuleset

Parameters:

  • value —

    the value to set the attribute inRuleset to.



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# File 'lib/xmlutils/gdllistener.rb', line 30

def inRuleset=(value)
  @inRuleset = value
end

Instance Method Details

#closeGuideline ⇒ Object

————————————————————————————————————-# closeGuideline - Close a Guideline object

————————————————————————————————————#



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# File 'lib/xmlutils/gdllistener.rb', line 156

def closeGuideline()
  if (inGuideline?)
    @GuidelineOpen = false
    @context.guideline = @gdl

    puts "closeGuideline" unless (!$DEBUG)
    puts "" unless (!$DEBUG)
  end # if


end

#closeRule ⇒ Object

————————————————————————————————————-# closeRule - Close a rule object

————————————————————————————————————#



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# File 'lib/xmlutils/gdllistener.rb', line 206

def closeRule()
  if (inRule?)
    @inRule = false

    puts "closeRule" unless (!$DEBUG)
    puts "" unless (!$DEBUG)
  end # if


end

#closeRuleset ⇒ Object

————————————————————————————————————-# closeRuleset - Close a ruleset object

————————————————————————————————————#



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# File 'lib/xmlutils/gdllistener.rb', line 255

def closeRuleset()
  if (inRuleset?)
    @inRuleset = false

    puts "closeRuleset" unless (!$DEBUG)
    puts "" unless (!$DEBUG)
  end # if


end

#inGuideline? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/xmlutils/gdllistener.rb', line 49

def inGuideline?
  return @inGuideline
end

#inRule? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/xmlutils/gdllistener.rb', line 56

def inRule?
  return @inRule
end

#inRuleset? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/xmlutils/gdllistener.rb', line 63

def inRuleset?
  return @inRuleset
end

#openGuideline(attributes) ⇒ Object

————————————————————————————————————-# openGuideline - Add a Guideline to the context object

attributes - Guideline element attributes

————————————————————————————————————#



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# File 'lib/xmlutils/gdllistener.rb', line 129

def openGuideline(attributes)
  return unless (!inGuideline?)

  if ($DEBUG)
    puts "openGuideline:"

    if(!attributes.empty?)
      puts "      Attr:"
      attributes.each do |attr|
        puts "            #{attr[0]}: #{attr[1]}"
      end
    end
  end # if $DEBUG


  @gdl = Guideline.new(attributes)

  @inGuideline = true

end

#openRule(attributes) ⇒ Object

————————————————————————————————————-# openRule - Add a rule to the context object

attributes - rule element attributes

————————————————————————————————————#



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# File 'lib/xmlutils/gdllistener.rb', line 175

def openRule(attributes)
  return unless (inGuideline? && (!inRuleset?))

  if ($DEBUG)
    puts "openRule:"

    if(!attributes.empty?)
      puts "      Attr:"
      attributes.each do |attr|
        puts "            #{attr[0]}: #{attr[1]}"
      end
    end
  end # if $DEBUG


  ruleAlias = attributes["Name"]
  item      = ["rule", "#{ruleAlias}"]

  @gdl.addItem(item)
  @inRule = true

  puts "Guideline item: [#{item[0]}] #{item[1]}" if verbose?

end

#openRuleset(attributes) ⇒ Object

————————————————————————————————————-# openRuleset - Open a ruleset object

attributes - ruleset element attributes

————————————————————————————————————#



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# File 'lib/xmlutils/gdllistener.rb', line 224

def openRuleset(attributes)
  return unless (inGuideline? && (!inRuleset?))

  if ($DEBUG)
    puts "openRuleset:"

    if(!attributes.empty?)
      puts "      Attr:"
      attributes.each do |attr|
        puts "            #{attr[0]}: #{attr[1]}"
      end
    end
  end # if $DEBUG


  rsAlias   = attributes["Name"]
  item      = ["ruleset", "#{rsAlias}"]

  @gdl.addItem(item)
  @inRuleset  = true

  puts "Guideline item: [#{item[0]}] #{item[1]}" if verbose?

end

#tag_end(tag) ⇒ Object

————————————————————————————————————-# tag_end - An ending tag has been parsed

tag - name of tag (element name) ————————————————————————————————————#



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# File 'lib/xmlutils/gdllistener.rb', line 102

def tag_end(tag)

  case tag
    when 'Guideline'
      closeGuideline()

    when 'Rule'
      closeRule()

    when 'Ruleset'
      closeRuleset()

    else
      closeUnknown(tag)                 # Don't care

  end # case


end

#tag_start(tag, attributes) ⇒ Object

————————————————————————————————————-# tag_start - A start tag has been parsed

tag - name of tag (element name) attributes - element tag attributes ————————————————————————————————————#



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# File 'lib/xmlutils/gdllistener.rb', line 76

def tag_start(tag, attributes)

  case tag
    when 'Guideline'
      openGuideline(attributes)

    when 'Rule'
      openRule(attributes)

    when 'Ruleset'
      openRuleset(attributes)

    else
      openUnknown(tag, attributes)        # Don't care

  end # case


end