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require "erb" |
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|
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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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|
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@features = [ ] |
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end |
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|
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def add_feature( feature ) |
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@features << feature |
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end |
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|
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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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# ... |
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end |
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|
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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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|
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<h1><%= @name %> (<%= @code %>)</h1> |
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<p><%= @desc %></p> |
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|
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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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|
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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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|
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</body> |
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</html> |
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}.gsub(/^ /, '') |
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|
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rhtml = ERB.new(template) |
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|
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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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|
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# Produce result. |
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rhtml.run(toy.get_binding) |
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|
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# From https://docs.ruby-lang.org/en/2.3.0/ERB.html#class-ERB-label-Examples |
