Class: Cameleon::Renderer

Inherits:
Object
  • Object
show all
Defined in:
lib/cameleon/renderer.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(base_path, req) ⇒ Renderer

Returns a new instance of Renderer.



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# File 'lib/cameleon/renderer.rb', line 21

def initialize(base_path, req)
  @base_path = base_path
  @status_code = 200
  @headers = {
    "Content-Type" => "text/plain"
  }
  @req = req
  @params = Hashie::Mash.new req.params
  req.body.rewind
  @body = req.body.read
  @method = req.env["REQUEST_METHOD"]
end

Class Method Details

.render_file(base_path, req, filename = nil) ⇒ Object 



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# File 'lib/cameleon/renderer.rb', line 14

def render_file(base_path, req, filename = nil)
  catch(:read) {
    Renderer.new(base_path, req).render(filename)
  }
end

.run_switch(base_path, req, switch_path) ⇒ Object 



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# File 'lib/cameleon/renderer.rb', line 9

def run_switch(base_path, req, switch_path)
  switch_src = File.read switch_path
  Renderer.new(base_path, req).__eval_switch(switch_src)
end

Instance Method Details

#__eval_switch(switch_src) ⇒ Object 



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# File 'lib/cameleon/renderer.rb', line 34

def __eval_switch(switch_src)
  catch(:read) {
    eval switch_src
    render find_default_file
  }
end

#build_response ⇒ Object 



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# File 'lib/cameleon/renderer.rb', line 53

def build_response
  [@status_code, @headers, [@body]]
end

#delete(&block) ⇒ Object 



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# File 'lib/cameleon/renderer.rb', line 83

def delete(&block)
  on(:delete, &block)
end

#find_default_file ⇒ Object 



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# File 'lib/cameleon/renderer.rb', line 95

def find_default_file
  Dir.entries(@base_path).find { |f| f =~ /^default/ }
end

#get(&block) ⇒ Object 



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# File 'lib/cameleon/renderer.rb', line 71

def get(&block)
  on(:get, &block)
end

#json_body ⇒ Object 



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# File 'lib/cameleon/renderer.rb', line 45

def json_body
  @json_body || @json_body = Hashie::Mash.new(JSON.parse(@body))
end

#on(*http_methods, &block) ⇒ Object 



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# File 'lib/cameleon/renderer.rb', line 65

def on(*http_methods, &block)
  if http_methods.map { |m| m.to_s.upcase }.include? @method
    yield
  end
end

#params ⇒ Object 



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# File 'lib/cameleon/renderer.rb', line 41

def params
  @params
end

#post(&block) ⇒ Object 



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# File 'lib/cameleon/renderer.rb', line 79

def post(&block)
  on(:post, &block)
end

#put(&block) ⇒ Object 



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# File 'lib/cameleon/renderer.rb', line 75

def put(&block)
  on(:put, &block)
end

#render(filename = nil) ⇒ Object 



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# File 'lib/cameleon/renderer.rb', line 87

def render(filename = nil)
  filename = find_default_file unless filename
  src = File.read File.join(@base_path, filename)
  erb = Erubis::Eruby.new src
  @body = erb.result(binding)
  throw :read, self
end

#set_header(name, value) ⇒ Object 



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# File 'lib/cameleon/renderer.rb', line 57

def set_header(name, value)
  @headers[name] = value
end

#status_code(code) ⇒ Object 



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# File 'lib/cameleon/renderer.rb', line 61

def status_code(code)
  @status_code = code
end

#xml_body ⇒ Object 



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# File 'lib/cameleon/renderer.rb', line 49

def xml_body
  @xml_body || @xml_body = Nokogiri::XML::Document.parse(@body)
end