Class: Awsum::Ec2::TagParser

Inherits:
Parser show all
Defined in:
lib/awsum/ec2/parsers/tag_parser.rb

Overview

:nodoc:

Instance Method Summary collapse

Methods inherited from Parser

#parse, #xmldecl

Constructor Details

#initialize(ec2) ⇒ TagParser

Returns a new instance of TagParser.



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# File 'lib/awsum/ec2/parsers/tag_parser.rb', line 4

def initialize(ec2)
  @ec2 = ec2
  @tags = []
  @text = nil
  @stack = []
end

Instance Method Details

#result ⇒ Object 



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# File 'lib/awsum/ec2/parsers/tag_parser.rb', line 51

def result
  @tags
end

#tag_end(tag) ⇒ Object 



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# File 'lib/awsum/ec2/parsers/tag_parser.rb', line 28

def tag_end(tag)
  case tag
    when 'tagSet'
      @stack.pop
    when 'item'
      case @stack[-1]
        when 'tagSet'
          @tags << Tag.new(
                     @ec2,
                     @current['resourceId'],
                     @current['resourceType'],
                     @current['key'],
                     @current['value']
                   )
      end
    else
      unless @text.nil? || @current.nil?
        text = @text.strip
        @current[tag] = (text == '' ? nil : text)
      end
  end
end

#tag_start(tag, attributes) ⇒ Object 



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# File 'lib/awsum/ec2/parsers/tag_parser.rb', line 11

def tag_start(tag, attributes)
  case tag
    when 'tagSet'
      @stack << tag
    when 'item'
      case @stack[-1]
        when 'tagSet'
          @current = {}
      end
  end
  @text = ''
end

#text(text) ⇒ Object 



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# File 'lib/awsum/ec2/parsers/tag_parser.rb', line 24

def text(text)
  @text << text unless @text.nil?
end