Module: Laydown

Defined in:
lib/laydown.rb

Defined Under Namespace

Classes: Template

Constant Summary collapse

DEFAULTS = 
{
  :charset      => 'utf-8',
  :title        => '#{@title}',
  :description  => nil,
  :favicon      => nil,
  :keywords     => [:@keywords],
  :css          => [:@css, :@stylesheets],
  :js           => [:@javascripts, :@js],
  :inline_js    => [:@inline_js],
  :head         => [],
  :body_class   => [],
  :body         => :yield,
  :ga_code      => :@ga_code
}
TEMPLATE = 
"_buf = [] ; _temple_pre_tags = /<pre|<textarea/ ; _buf << (\"<!DOCTYPE html><html><head>\") ; \n ; \n ; \n ; if data[:title] ; \n ; _buf << (\"<title>\#{data[:title]}\"\\\n\"\"\\\n\"</title>\") ; end ; if data[:favicon] ; \n ; _buf << (\"<link rel=\\\"shortcut icon\\\" url=\\\"\#{Temple::Utils.escape_html((data[:favicon]))}\\\">\"\\\n\"\"\\\n\"\") ; end ; if data[:description] ; \n ; _buf << (\"<meta content=\\\"\#{Temple::Utils.escape_html((data[:description]))}\\\" name=\\\"description\\\">\"\\\n\"\"\\\n\"\") ; end ; if data[:keywords].any? ; \n ; _buf << (\"<meta content=\\\"\#{Temple::Utils.escape_html((data[:keywords].flatten.join(', ')))}\\\" name=\\\"keywords\\\">\"\\\n\"\"\\\n\"\") ; end ; data[:css].flatten.each do |url| ; \n ; unless url == '' ; \n ; _buf << (\"<link href=\\\"\#{Temple::Utils.escape_html((url))}\\\" rel=\\\"stylesheet\\\" type=\\\"text/css\\\">\"\\\n\"\"\\\n\"\") ; end ; end ; data[:js].flatten.each do |url| ; \n ; unless url == '' ; \n ; _buf << (\"<script src=\\\"\#{Temple::Utils.escape_html((url))}\\\" type=\\\"text/javascript\\\"></script>\"\\\n\"\"\\\n\"\") ; end ; end ; if data[:inline_js] && !data[:inline_js].empty? ; \n ; _buf << (\"<script type=\\\"text/javascript\\\">\") ; \n ; data[:inline_js].flatten.each do |code| ; \n ; unless code == '' ; \n ; _buf << (code) ; \n ; \n ; end ; end ; _buf << (\"</script>\") ; end ; if data[:head] ; \n ; data[:head].each do |item| ; \n ; _buf << (item) ; \n ; \n ; end ; end ; _buf << (\"</head><body class=\\\"\#{Temple::Utils.escape_html((data[:body_class].flatten.join(' ')))}\\\">\"\\\n\"\#{data[:body]}\"\\\n\"\"\\\n\"\") ; if data[:ga_code] ; \n ; \n ; _buf << (\"<script type=\\\"text/javascript\\\">var _gaq = _gaq || [];\\n_gaq.push(['_setAccount', '\"\\\n\"\#{Temple::Utils.escape_html((data[:ga_code]))}']);\\n_gaq.push(['_trackPageview']);\\n(function() {\\nvar ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;\\nga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';\\nvar s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);\\n})();</script>\"\\\n\"\"\\\n\"\"\\\n\"\"\\\n\"\"\\\n\"\"\\\n\"\"\\\n\"\") ; end ; _buf << (\"</body></html>\") ; _buf = _buf.join\n"

Class Method Summary collapse

Class Method Details

.compile(values = {}) ⇒ Object 



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# File 'lib/laydown.rb', line 35

def compile(values={})
  process(values)
  validate(values)
  make_template_from(values)
end

.literalize(obj) ⇒ Object 



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# File 'lib/laydown.rb', line 62

def literalize(obj)
  case obj
    when String then obj.inspect.gsub(/\\#\{/, '#{') + "+''"
    when Symbol then obj.to_s
    when nil    then 'nil'
    when Array
      '[' + obj.map {|o| literalize(o) }.join(', ') + ']'
    else obj.to_s.inspect
  end
end

.make_template_from(values) ⇒ Object 



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# File 'lib/laydown.rb', line 56

def make_template_from(values)
  TEMPLATE.gsub(/data\[:([a-zA-Z0-9_]+)\]/) do |m|
    literalize values[:"#{$1}"]
  end
end

.new(hsh = {}) ⇒ Object 



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# File 'lib/laydown.rb', line 90

def self.new(hsh={})
  Template.new(hsh)
end

.plural_properties ⇒ Object 



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# File 'lib/laydown.rb', line 31

def plural_properties
  properties.select {|name| DEFAULTS[name].is_a?(Array) }
end

.process(values) ⇒ Object 



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# File 'lib/laydown.rb', line 41

def process(values)
  DEFAULTS.each {|k,v| values[k] ||= v }
  plural_properties.each do |k|
    values[k] = Array(values[k]).flatten.compact
  end
end

.properties ⇒ Object 



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# File 'lib/laydown.rb', line 27

def properties
  DEFAULTS.keys
end

.validate(values) ⇒ Object 



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# File 'lib/laydown.rb', line 48

def validate(values)
  values.keys.each do |value|
    unless DEFAULTS.keys.include?(value)
      raise "no Laydown property called #{value.inspect}"
    end
  end
end