Class: Awsum::Ec2::ImageParser

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

Overview

:nodoc:

Instance Method Summary collapse

Methods inherited from Parser

#parse, #xmldecl

Constructor Details

#initialize(ec2) ⇒ ImageParser

Returns a new instance of ImageParser.



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

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

Instance Method Details

#result ⇒ Object 



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# File 'lib/awsum/ec2/parsers/image_parser.rb', line 67

def result
  @images
end

#tag_end(tag) ⇒ Object 



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# File 'lib/awsum/ec2/parsers/image_parser.rb', line 31

def tag_end(tag)
  case tag
    when 'DescribeImagesResponse', 'requestId'
      #no-op
    when 'imagesSet', 'productCodes', 'blockDeviceMapping'
      @stack.pop
    when 'item'
      case @stack[-1]
        when 'imagesSet'
          @images << Image.new(
                        @ec2,
                        @current['imageId'],
                        @current['imageLocation'],
                        @current['imageState'],
                        @current['imageOwnerId'],
                        @current['isPublic'] == 'true',
                        @current['architecture'],
                        @current['imageType'],
                        @current['kernelId'],
                        @current['ramdiskId'],
                        @current['platform'],
                        @product_codes || []
                      )
          @text = ''
      end
    when 'productCode'
      @product_codes << @text.strip
    else
      unless @text.nil?
        text = @text.strip
        @current[tag] = (text == '' ? nil : text)
        @text = ''
      end
  end
end

#tag_start(tag, attributes) ⇒ Object 



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

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

#text(text) ⇒ Object 



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# File 'lib/awsum/ec2/parsers/image_parser.rb', line 27

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