Ruby on Rails

On Jan 21, 2014, at 12:01 PM, Astm Ali wrote:

> Hello Guys
> I'm new in Ruby and now I'm trying to type my first app
> now i have SVG file contain rows such as
>
> <text x="10" y="20"
> style="font-family: Helvetica;
> font-size : 24;
> fill : #ff0000;
> stroke : #000000;">First label</text>
> <text x="85" y="150"
> style="font-family: Helvetica;
> font-size : 24;
> fill : #ff0000;
> stroke : #000000;">Second label</text>
>
> now when i want to get the labels form the file
> i was used non professional way to get them
> buy using this code
>
> f=File.open(@svgFile)
> @data=Nokogiri::XML(f)
> @data=@data.to_s # convert to string
> @data=@data.split('<text')[1..-1] # convert to array and remove first
> element
> f.close
>
> <% @data.each do |data|%>
> <% @data=data.gsub(%r{</?[^>]+?>},'') %>
> <% @data=data.split('>')[1][0..-7]%>
> <%= @data %><br>
> <% end%>
>
>
> so now if i want to get the full data to every element such as
> name= First label
> stroke =#000000
> font-size=24
>
> how i can get the child data in the svg file with professional code
> i don't like the way to remove html tags to get the data ???

You're starting out on the right track, using Nokogiri. You don't need to use string manipulation, though, because SVG is just XML inside, so you can interrogate the actual data structure in Noko using either xpath or css syntax. Have a quick read through the Nokogiri documentation at http://nokogiri.org or google the topic.

Walter

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