Corey Donohoe
44 lines
1.1 KiB
Ruby
44 lines
1.1 KiB
Ruby
require 'net/http'
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require 'uri'
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require 'open-uri'
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class Gollum::WebSequenceDiagram
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WSD_URL = "http://www.websequencediagrams.com/index.php"
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# Initialize a new WebSequenceDiagram object.
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#
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# code - The String containing the sequence diagram markup.
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# style - The String containing the rendering style.
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#
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# Returns a new Gollum::WebSequenceDiagram object
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def initialize(code, style)
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@code = code
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@style = style
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@tag = ""
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render
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end
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# Render the sequence diagram on the remote server and store the url to
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# the rendered image.
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#
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# Returns nil.
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def render
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response = Net::HTTP.post_form(URI.parse(WSD_URL), 'style' => @style, 'message' => @code)
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if response.body =~ /img: "(.+)"/
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url = "http://www.websequencediagrams.com/#{$1}"
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@tag = "<img src=\"#{url}\" />"
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else
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puts response.body
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@tag ="Sorry, unable to render sequence diagram at this time."
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end
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end
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# Gets the HTML IMG tag for the sequence diagram.
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#
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# Returns a String containing the IMG tag.
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def to_tag
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@tag
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end
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end
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