69 lines
1.4 KiB
Text
69 lines
1.4 KiB
Text
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require "erb"
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# Build template data class.
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class Product
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def initialize( code, name, desc, cost )
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@code = code
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@name = name
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@desc = desc
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@cost = cost
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@features = [ ]
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end
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def add_feature( feature )
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@features << feature
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end
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# Support templating of member data.
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def get_binding
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binding
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end
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# ...
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end
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# Create template.
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template = %{
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<html>
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<head><title>Ruby Toys -- <%= @name %></title></head>
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<body>
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<h1><%= @name %> (<%= @code %>)</h1>
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<p><%= @desc %></p>
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<ul>
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<% @features.each do |f| %>
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<li><b><%= f %></b></li>
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<% end %>
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</ul>
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<p>
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<% if @cost < 10 %>
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<b>Only <%= @cost %>!!!</b>
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<% else %>
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Call for a price, today!
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<% end %>
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</p>
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</body>
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</html>
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}.gsub(/^ /, '')
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rhtml = ERB.new(template)
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# Set up template data.
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toy = Product.new( "TZ-1002",
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"Rubysapien",
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"Geek's Best Friend! Responds to Ruby commands...",
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999.95 )
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toy.add_feature("Listens for verbal commands in the Ruby language!")
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toy.add_feature("Ignores Perl, Java, and all C variants.")
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toy.add_feature("Karate-Chop Action!!!")
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toy.add_feature("Matz signature on left leg.")
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toy.add_feature("Gem studded eyes... Rubies, of course!")
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# Produce result.
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rhtml.run(toy.get_binding)
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# From https://docs.ruby-lang.org/en/2.3.0/ERB.html#class-ERB-label-Examples
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