Created
April 30, 2015 13:57
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Toronto Ruby Brigate: DSL Workshop Solution, April 29 2015
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| class FancyMarkup | |
| def initialize | |
| end | |
| def method_missing(name, attr={}, &block) | |
| puts "<#{name}#{self.flatten(attr)}>" | |
| self.instance_eval(&block) | |
| puts "</#{name}>" | |
| end | |
| def flatten(h) | |
| flat = '' | |
| h.keys.each { |k| flat << " #{k}=\"#{h[k]}\"" } | |
| flat | |
| end | |
| def div(attr= {}, &block) | |
| if attr[:id] | |
| puts "<div id=\"#{attr[:id]}\">" | |
| else | |
| puts "<div>" | |
| end | |
| self.instance_eval(&block) | |
| puts "</div>" | |
| end | |
| def li(content = '', attr= {}, &block) | |
| if attr[:class] | |
| puts "<li class=\"#{attr[:class]}\">" | |
| else | |
| puts "<li>" | |
| end | |
| puts content | |
| if block_given? | |
| self.instance_eval(&block) | |
| end | |
| puts "</li>" | |
| end | |
| end | |
| markup = FancyMarkup.new.html do | |
| body do | |
| div id: "container" do | |
| ul class: "pretty" do | |
| li "Item 1", class: :active | |
| li "Item 2" | |
| end | |
| article class: 'foo', id: 'foofoo' do | |
| foobar id: 'bar' do | |
| end | |
| end | |
| end | |
| end | |
| end | |
| p FancyMarkup.instance_methods false | |
| # output: | |
| # <html> | |
| # <body> | |
| # <div id="container"> | |
| # <ul class="pretty"> | |
| # <li class="active"> | |
| # Item 1 | |
| # </li> | |
| # <li> | |
| # Item 2 | |
| # </li> | |
| # </ul> | |
| # <article class="foo" id="foofoo"> | |
| # <foobar id="bar"> | |
| # </foobar> | |
| # </article> | |
| # </div> | |
| # </body> | |
| # </html> |
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