62 lines
1.7 KiB
Ruby
62 lines
1.7 KiB
Ruby
class Renderer
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COMPONENT_MATCHER = %r{/?(?<template>[^\.]+)\.(?<type>[^\.]+)\.(?<engine>.+)}
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DEFAULT_TYPE = :default_type
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def self.call(session)
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unless session.options.has_key? :render
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session.response.body = ':render not set!'
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return nil
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end
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to_render = session.options[:render]
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unless templates.has_key? to_render
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session.response.body = 'Template does not exist!'
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return nil
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end
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template = templates[to_render]
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type = get_preferred_type(session, template)
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type = template.first[0] if type == DEFAULT_TYPE
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puts template.inspect
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session.response.body = Tilt.new(template[type]).render(session.options)
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puts session.response.body
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session.response.content_type = type
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nil
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end
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# initialize the template cache
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def self.find_templates(path)
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@@templates = {}
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Dir[path + '/**/*'].each do |file|
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next unless File.file?(file)
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parts = file.gsub(path, '').match(COMPONENT_MATCHER)
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@@templates[parts[:template]] ||= {}
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@@templates[parts[:template]].merge!({parts[:type].to_sym => file})
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end
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end
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def self.templates
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find_templates 'templates' unless @@templates
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@@templates
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end
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def self.set_types(types)
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@@types = types
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end
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def self.types
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@@types ||= {
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'*/*' => DEFAULT_TYPE,
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'text/css' => :css,
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'text/html' => :html,
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'application/atom+xml' => :atom
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}
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end
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def self.get_preferred_type(session, template)
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session.request.accept.types.each do |type|
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next unless types.has_key? type
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return types[type] if template.has_key? types[type]
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return DEFAULT_TYPE if types[type] == DEFAULT_TYPE
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end
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end
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end
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